/*
* Copyright (C) 2017 Amlogic, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Description:
*/
#define DEBUG
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/errno.h>

#include <linux/amlogic/media/utils/vdec_reg.h>
#include "../../decoder/utils/vdec.h"
#include "../../decoder/utils/amvdec.h"

#include "h264_dpb.h"

#define FRAME_NUM_MAX_SIZE 0x10000

#undef pr_info
#define pr_info printk
int dpb_print(int index, int debug_flag, const char *fmt, ...)
{
	if (((h264_debug_flag & debug_flag) &&
		((1 << index) & h264_debug_mask))
		|| (debug_flag == PRINT_FLAG_ERROR)) {
		unsigned char *buf = kzalloc(512, GFP_ATOMIC);
		int len = 0;
		va_list args;

		if (!buf)
			return 0;

		va_start(args, fmt);
		len = sprintf(buf, "%d: ", index);
		vsnprintf(buf + len, 512-len, fmt, args);
		pr_debug("%s", buf);
		va_end(args);
		kfree(buf);
	}
	return 0;
}

int dpb_print_cont(int index, int debug_flag, const char *fmt, ...)
{
	if (((h264_debug_flag & debug_flag) &&
		((1 << index) & h264_debug_mask))
		|| (debug_flag == PRINT_FLAG_ERROR)) {
		unsigned char *buf = kzalloc(512, GFP_ATOMIC);
		int len = 0;
		va_list args;

		if (!buf)
			return 0;

		va_start(args, fmt);
		vsnprintf(buf + len, 512-len, fmt, args);
		pr_info("%s", buf);
		va_end(args);
		kfree(buf);
	}
	return 0;
}

unsigned char dpb_is_debug(int index, int debug_flag)
{
	if (((h264_debug_flag & debug_flag) &&
		((1 << index) & h264_debug_mask))
		|| (debug_flag == PRINT_FLAG_ERROR))
		return 1;
	return 0;
}

#define CHECK_VALID(list_size, mark) {\
	if (list_size > MAX_LIST_SIZE || list_size < 0) { \
		dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_ERROR, \
		"%s(%d): listXsize[%d] %d is larger than max size\r\n",\
		__func__, __LINE__, mark, list_size);\
		list_size = 0; \
		p_H264_Dpb->dpb_error_flag = __LINE__;\
	} \
	}

static struct DecRefPicMarking_s
	dummy_dec_ref_pic_marking_buffer
	[DEC_REF_PIC_MARKING_BUFFER_NUM_MAX];
static struct StorablePicture dummy_pic;
static struct FrameStore dummy_fs;
static struct StorablePicture *get_new_pic(
	struct h264_dpb_stru *p_H264_Dpb,
	enum PictureStructure structure, unsigned char is_output);


static void init_dummy_fs(void)
{
	dummy_fs.frame = &dummy_pic;
	dummy_fs.top_field = &dummy_pic;
	dummy_fs.bottom_field = &dummy_pic;

	dummy_pic.top_field = &dummy_pic;
	dummy_pic.bottom_field = &dummy_pic;
	dummy_pic.frame = &dummy_pic;

	dummy_pic.dec_ref_pic_marking_buffer =
		&dummy_dec_ref_pic_marking_buffer[0];
}

enum {
	LIST_0 = 0,
	LIST_1 = 1,
	BI_PRED = 2,
	BI_PRED_L0 = 3,
	BI_PRED_L1 = 4
};

void ref_pic_list_reordering(struct h264_dpb_stru *p_H264_Dpb,
				struct Slice *currSlice)
{
	/* struct VideoParameters *p_Vid = currSlice->p_Vid;
	 *   byte dP_nr = assignSE2partition[currSlice->dp_mode][SE_HEADER];
	 *   DataPartition *partition = &(currSlice->partArr[dP_nr]);
	 *   Bitstream *currStream = partition->bitstream;
	 */
	int i, j, val;
	unsigned short *reorder_cmd =
		&p_H264_Dpb->dpb_param.mmco.l0_reorder_cmd[0];
	/* alloc_ref_pic_list_reordering_buffer(currSlice); */
	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		"%s\n", __func__);
	if (currSlice->slice_type != I_SLICE &&
		currSlice->slice_type != SI_SLICE) {
		/* val = currSlice->ref_pic_list_reordering_flag[LIST_0] =
		 *	read_u_1 ("SH: ref_pic_list_reordering_flag_l0",
		 *		currStream, &p_Dec->UsedBits);
		 */
		if (reorder_cmd[0] != 3) {
			val = currSlice->
				ref_pic_list_reordering_flag[LIST_0] = 1;
		} else {
			val = currSlice->
				ref_pic_list_reordering_flag[LIST_0] = 0;
		}
		if (val) {
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL,
				"%s, ref_pic_list_reordering_flag[LIST_0] is 1\n",
				__func__);

			j = 0;
			i = 0;
			do {
				val = currSlice->
				modification_of_pic_nums_idc[LIST_0][i] =
					      reorder_cmd[j++];
				/* read_ue_v(
				 *	"SH: modification_of_pic_nums_idc_l0",
				 *	currStream, &p_Dec->UsedBits);
				 */
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL,
					"%d(%d):val %x\n", i, j, val);
				if (j >= 66) {
					currSlice->
					ref_pic_list_reordering_flag[LIST_0] =
					0; /* by rain */
					dpb_print(p_H264_Dpb->decoder_index,
						PRINT_FLAG_ERROR,
						"%s error\n", __func__);
					break;
				}
				if (val == 0 || val == 1) {
					currSlice->
					abs_diff_pic_num_minus1[LIST_0][i] =
					reorder_cmd[j++];
					/* read_ue_v("SH: "
					 *"abs_diff_pic_num_minus1_l0",
					 *currStream, &p_Dec->UsedBits);
					 */
				} else {
					if (val == 2) {
						currSlice->
						long_term_pic_idx[LIST_0][i] =
						reorder_cmd[j++];
						/* read_ue_v(
						 *"SH: long_term_pic_idx_l0",
						 *currStream,
						 *&p_Dec->UsedBits);
						 */
					}
				}
				i++;
				/* assert (i>currSlice->
				 *	num_ref_idx_active[LIST_0]);
				 */
				if (

/*
 *				     i>currSlice->num_ref_idx_active[LIST_0] ||
 */
					i >= REORDERING_COMMAND_MAX_SIZE) {
					dpb_print(p_H264_Dpb->decoder_index,
						PRINT_FLAG_DPB_DETAIL,
						"%s error %d %d\n",
						__func__, i,
						currSlice->
						num_ref_idx_active[LIST_0]);
					currSlice->
					ref_pic_list_reordering_flag[LIST_0] =
					0; /* by rain */
					break;
				}
				if (j >= 66) {
					dpb_print(p_H264_Dpb->decoder_index,
						PRINT_FLAG_ERROR, "%s error\n",
						__func__);
					currSlice->
					ref_pic_list_reordering_flag[LIST_0] =
					0; /* by rain */
					break;
				}

			} while (val != 3);
		}
	}

	if (currSlice->slice_type == B_SLICE) {
		reorder_cmd = &p_H264_Dpb->dpb_param.mmco.l1_reorder_cmd[0];
		/* val = currSlice->ref_pic_list_reordering_flag[LIST_1]
		 *= read_u_1 ("SH: ref_pic_list_reordering_flag_l1",
		 *currStream,
		 *&p_Dec->UsedBits);
		 */

		if (reorder_cmd[0] != 3) {
			val =
			currSlice->ref_pic_list_reordering_flag[LIST_1] = 1;
		} else {
			val =
			currSlice->ref_pic_list_reordering_flag[LIST_1] = 0;
		}

		if (val) {
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL,
				"%s, ref_pic_list_reordering_flag[LIST_1] is 1\n",
				__func__);

			j = 0;
			i = 0;
			do {
				val = currSlice->
				modification_of_pic_nums_idc[LIST_1][i] =
				reorder_cmd[j++];
				/* read_ue_v(
				 *"SH: modification_of_pic_nums_idc_l1",
				 *currStream,
				 *&p_Dec->UsedBits);
				 */
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL,
					"%d(%d):val %x\n",
					i, j, val);
				if (j >= 66) {
					dpb_print(p_H264_Dpb->decoder_index,
						PRINT_FLAG_ERROR, "%s error\n",
						__func__);
					currSlice->
					ref_pic_list_reordering_flag[LIST_1] =
					0;  /* by rain */
					break;
				}
				if (val == 0 || val == 1) {
					currSlice->
					abs_diff_pic_num_minus1[LIST_1][i] =
						reorder_cmd[j++];
					/* read_ue_v(
					 *"SH: abs_diff_pic_num_minus1_l1",
					 *currStream, &p_Dec->UsedBits);
					 */
				} else {
					if (val == 2) {
						currSlice->
						long_term_pic_idx[LIST_1][i] =
						reorder_cmd[j++];
						/* read_ue_v(
						 *"SH: long_term_pic_idx_l1",
						 *currStream,
						 *&p_Dec->UsedBits);
						 */
					}
				}
				i++;
				/* assert(i>currSlice->
				 *	num_ref_idx_active[LIST_1]);
				 */
				if (
				/*i>currSlice->num_ref_idx_active[LIST_1] || */
					i >= REORDERING_COMMAND_MAX_SIZE) {
					dpb_print(p_H264_Dpb->decoder_index,
						PRINT_FLAG_DPB_DETAIL,
						"%s error %d %d\n",
						__func__, i,
						currSlice->
						num_ref_idx_active[LIST_0]);
					currSlice->
					ref_pic_list_reordering_flag[LIST_1] =
					0;  /* by rain */
					break;
				}
				if (j >= 66) {
					dpb_print(p_H264_Dpb->decoder_index,
						PRINT_FLAG_ERROR,
						"%s error\n", __func__);
					break;
				}
			} while (val != 3);
		}
	}

	/* set reference index of redundant slices. */
	/*
	 *if (currSlice->redundant_pic_cnt &&
	 *(currSlice->slice_type != I_SLICE))
	 *{
	 *  currSlice->redundant_slice_ref_idx =
	 *	currSlice->abs_diff_pic_num_minus1[LIST_0][0] + 1;
	 *}
	 */
}

void slice_prepare(struct h264_dpb_stru *p_H264_Dpb,
		struct DecodedPictureBuffer *p_Dpb,
		struct VideoParameters *p_Vid,
		struct SPSParameters *sps, struct Slice *pSlice)
{
	int i, j;
	/* p_Vid->active_sps = sps; */
	unsigned short *mmco_cmd = &p_H264_Dpb->dpb_param.mmco.mmco_cmd[0];
	/* for decode_poc */
	sps->pic_order_cnt_type =
		p_H264_Dpb->dpb_param.l.data[PIC_ORDER_CNT_TYPE];
	sps->log2_max_pic_order_cnt_lsb_minus4 =
		p_H264_Dpb->dpb_param.l.data[LOG2_MAX_PIC_ORDER_CNT_LSB] - 4;
	sps->num_ref_frames_in_pic_order_cnt_cycle =
		p_H264_Dpb->
		dpb_param.l.data[NUM_REF_FRAMES_IN_PIC_ORDER_CNT_CYCLE];
	for (i = 0; i < 128; i++)
		sps->offset_for_ref_frame[i] =
			(short) p_H264_Dpb->
			dpb_param.mmco.offset_for_ref_frame_base[i];
	sps->offset_for_non_ref_pic =
		(short) p_H264_Dpb->dpb_param.l.data[OFFSET_FOR_NON_REF_PIC];
	sps->offset_for_top_to_bottom_field =
		(short) p_H264_Dpb->dpb_param.l.data
		[OFFSET_FOR_TOP_TO_BOTTOM_FIELD];

	pSlice->frame_num = p_H264_Dpb->dpb_param.dpb.frame_num;
	pSlice->idr_flag =
		(p_H264_Dpb->dpb_param.dpb.NAL_info_mmco & 0x1f)
		== 5 ? 1 : 0;
	pSlice->nal_reference_idc =
		(p_H264_Dpb->dpb_param.dpb.NAL_info_mmco >> 5)
		& 0x3;
	pSlice->pic_order_cnt_lsb =
		p_H264_Dpb->dpb_param.dpb.pic_order_cnt_lsb;
	pSlice->field_pic_flag = 0;
	pSlice->bottom_field_flag = 0;
	pSlice->delta_pic_order_cnt_bottom = val(
		p_H264_Dpb->dpb_param.dpb.delta_pic_order_cnt_bottom);
	pSlice->delta_pic_order_cnt[0] = val(
		p_H264_Dpb->dpb_param.dpb.delta_pic_order_cnt_0);
	pSlice->delta_pic_order_cnt[1] = val(
		p_H264_Dpb->dpb_param.dpb.delta_pic_order_cnt_1);

	p_Vid->last_has_mmco_5 = 0;
	/* last memory_management_control_operation is 5 */
	p_Vid->last_pic_bottom_field = 0;
	p_Vid->max_frame_num = 1 <<
	(p_H264_Dpb->dpb_param.l.data[LOG2_MAX_FRAME_NUM]);

	/**/
	pSlice->structure = (p_H264_Dpb->
		dpb_param.l.data[NEW_PICTURE_STRUCTURE] == 3) ?
		FRAME : p_H264_Dpb->dpb_param.l.data[NEW_PICTURE_STRUCTURE];
	if (pSlice->structure == FRAME) {
		pSlice->field_pic_flag = 0;
		pSlice->bottom_field_flag = 0;
	} else {
		pSlice->field_pic_flag = 1;
		if (pSlice->structure == TOP_FIELD)
			pSlice->bottom_field_flag = 0;
		else
			pSlice->bottom_field_flag = 1;
	}
	pSlice->pic_struct = p_H264_Dpb->dpb_param.l.data[PICTURE_STRUCT];

	sps->num_ref_frames = p_H264_Dpb->
		dpb_param.l.data[MAX_REFERENCE_FRAME_NUM];
	sps->profile_idc =
		 (p_H264_Dpb->dpb_param.l.data[PROFILE_IDC_MMCO] >> 8) & 0xff;
	/*sps->max_dpb_size = p_H264_Dpb->dpb_param.l.data[MAX_DPB_SIZE];*/
	if (pSlice->idr_flag) {
		pSlice->long_term_reference_flag = mmco_cmd[0] & 1;
		pSlice->no_output_of_prior_pics_flag = (mmco_cmd[0] >> 1) & 1;
		dpb_print(p_H264_Dpb->decoder_index,
		PRINT_FLAG_DPB_DETAIL,
		"IDR: long_term_reference_flag %d no_output_of_prior_pics_flag %d\r\n",
		pSlice->long_term_reference_flag,
		pSlice->no_output_of_prior_pics_flag);

		p_H264_Dpb->long_term_reference_flag = pSlice->long_term_reference_flag;

		dpb_print(p_H264_Dpb->decoder_index,
		PRINT_FLAG_DPB_DETAIL,
		"idr set pre_frame_num(%d) to frame_num (%d)\n",
		p_Vid->pre_frame_num, pSlice->frame_num);

		p_Vid->pre_frame_num = pSlice->frame_num;
	} else if (p_H264_Dpb->mDPB.first_pic_done == 0) {
		/* by rain
		 handle the case when first slice is I instead of IDR
		*/
		p_Vid->pre_frame_num = pSlice->frame_num;
	}
	/* pSlice->adaptive_ref_pic_buffering_flag; */
	sps->log2_max_frame_num_minus4 =
		p_H264_Dpb->dpb_param.l.data[LOG2_MAX_FRAME_NUM] - 4;
	sps->frame_num_gap_allowed = p_H264_Dpb->dpb_param.l.data[FRAME_NUM_GAP_ALLOWED];

	p_Vid->non_conforming_stream =
		p_H264_Dpb->dpb_param.l.data[NON_CONFORMING_STREAM];
	p_Vid->recovery_point =
		p_H264_Dpb->dpb_param.l.data[RECOVERY_POINT];
	switch (p_H264_Dpb->dpb_param.l.data[SLICE_TYPE]) {
	case I_Slice:
		pSlice->slice_type = I_SLICE;
		break;
	case P_Slice:
		pSlice->slice_type = P_SLICE;
		break;
	case B_Slice:
		pSlice->slice_type = B_SLICE;
		break;
	default:
		pSlice->slice_type = NUM_SLICE_TYPES;
		break;
	}

	pSlice->num_ref_idx_active[LIST_0] =
		p_H264_Dpb->dpb_param.dpb.num_ref_idx_l0_active_minus1 +
		1;
	/* p_H264_Dpb->dpb_param.l.data[PPS_NUM_REF_IDX_L0_ACTIVE_MINUS1]; */
	pSlice->num_ref_idx_active[LIST_1] =
		p_H264_Dpb->dpb_param.dpb.num_ref_idx_l1_active_minus1 +
		1;
	/* p_H264_Dpb->dpb_param.l.data[PPS_NUM_REF_IDX_L1_ACTIVE_MINUS1]; */

	pSlice->p_Vid = p_Vid;
	pSlice->p_Dpb = p_Dpb;
	/*
	p_H264_Dpb->colocated_buf_size =
		p_H264_Dpb->dpb_param.l.data[FRAME_SIZE_IN_MB] * 96;*/
	pSlice->first_mb_in_slice =
		p_H264_Dpb->dpb_param.l.data[FIRST_MB_IN_SLICE];
	pSlice->mode_8x8_flags = p_H264_Dpb->dpb_param.l.data[MODE_8X8_FLAGS];
	pSlice->picture_structure_mmco =
		p_H264_Dpb->dpb_param.dpb.picture_structure_mmco;
	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
	"%s slice_type is %d, num_ref_idx_active[0,1]=%d,%d nal_reference_idc %d pic struct 0x%x(mmco stru 0x%x)\n",
		  __func__, pSlice->slice_type,
		  pSlice->num_ref_idx_active[LIST_0],
		  pSlice->num_ref_idx_active[LIST_1],
		  pSlice->nal_reference_idc,
		  pSlice->structure,
		  pSlice->picture_structure_mmco);
#ifdef ERROR_CHECK
	if (pSlice->num_ref_idx_active[LIST_0] >= MAX_LIST_SIZE) {
		pSlice->num_ref_idx_active[LIST_0] = MAX_LIST_SIZE - 1;
		p_H264_Dpb->dpb_error_flag = __LINE__;
	}
	if (pSlice->num_ref_idx_active[LIST_1] >= MAX_LIST_SIZE) {
		pSlice->num_ref_idx_active[LIST_1] = MAX_LIST_SIZE - 1;
		p_H264_Dpb->dpb_error_flag = __LINE__;
	}
#endif

#if 1
	/* dec_ref_pic_marking_buffer */
	pSlice->adaptive_ref_pic_buffering_flag = 0;
	if (pSlice->nal_reference_idc) {
		for (i = 0, j = 0; i < 44; j++) {
			unsigned short val;
			struct DecRefPicMarking_s *tmp_drpm =
				&pSlice->dec_ref_pic_marking_buffer[j];
			memset(tmp_drpm, 0, sizeof(struct DecRefPicMarking_s));
			val = tmp_drpm->
				memory_management_control_operation =
					mmco_cmd[i++];
			tmp_drpm->Next = NULL;
			if (j > 0) {
				pSlice->
				dec_ref_pic_marking_buffer[j - 1].Next =
					tmp_drpm;
			}
			if (val == 0 || i >= 44)
				break;
			pSlice->adaptive_ref_pic_buffering_flag = 1;
			if ((val == 1) || (val == 3)) {
				tmp_drpm->difference_of_pic_nums_minus1 =
					mmco_cmd[i++];
			}
			if (val == 2)
				tmp_drpm->long_term_pic_num = mmco_cmd[i++];
			if (i >= 44)
				break;
			if ((val == 3) || (val == 6))
				tmp_drpm->long_term_frame_idx = mmco_cmd[i++];
			if (val == 4) {
				tmp_drpm->max_long_term_frame_idx_plus1 =
					mmco_cmd[i++];
			}
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL,
				"dec_ref_pic_marking_buffer[%d]:operation %x diff_pic_minus1 %x long_pic_num %x long_frame_idx %x max_long_frame_idx_plus1 %x\n",
				j,
				tmp_drpm->memory_management_control_operation,
				tmp_drpm->difference_of_pic_nums_minus1,
				tmp_drpm->long_term_pic_num,
				tmp_drpm->long_term_frame_idx,
				tmp_drpm->max_long_term_frame_idx_plus1);
		}
	}

	ref_pic_list_reordering(p_H264_Dpb, pSlice);
#endif

	/*VUI*/
	p_H264_Dpb->vui_status = p_H264_Dpb->dpb_param.l.data[VUI_STATUS];
	p_H264_Dpb->aspect_ratio_idc =
		p_H264_Dpb->dpb_param.l.data[ASPECT_RATIO_IDC];
	p_H264_Dpb->aspect_ratio_sar_width =
		p_H264_Dpb->dpb_param.l.data[ASPECT_RATIO_SAR_WIDTH];
	p_H264_Dpb->aspect_ratio_sar_height =
		p_H264_Dpb->dpb_param.l.data[ASPECT_RATIO_SAR_HEIGHT];

	p_H264_Dpb->fixed_frame_rate_flag = p_H264_Dpb->dpb_param.l.data[
		FIXED_FRAME_RATE_FLAG];
	p_H264_Dpb->num_units_in_tick =
		p_H264_Dpb->dpb_param.l.data[NUM_UNITS_IN_TICK];
	p_H264_Dpb->time_scale = p_H264_Dpb->dpb_param.l.data[TIME_SCALE] |
		(p_H264_Dpb->dpb_param.l.data[TIME_SCALE + 1] << 16);

	p_H264_Dpb->bitstream_restriction_flag =
		(p_H264_Dpb->dpb_param.l.data[SPS_FLAGS2] >> 3) & 0x1;
	p_H264_Dpb->num_reorder_frames =
		p_H264_Dpb->dpb_param.l.data[NUM_REORDER_FRAMES];
	p_H264_Dpb->max_dec_frame_buffering =
		p_H264_Dpb->dpb_param.l.data[MAX_BUFFER_FRAME];

	/**/
	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		"%s return\n", __func__);
}

static void decode_poc(struct VideoParameters *p_Vid, struct Slice *pSlice)
{
	struct h264_dpb_stru *p_H264_Dpb = container_of(p_Vid,
					struct h264_dpb_stru, mVideo);
	struct SPSParameters *active_sps = p_Vid->active_sps;
	int i;
	/* for POC mode 0: */
	unsigned int MaxPicOrderCntLsb = (1 <<
		(active_sps->log2_max_pic_order_cnt_lsb_minus4 + 4));

	dpb_print(p_H264_Dpb->decoder_index,
		PRINT_FLAG_DEBUG_POC,
		"%s:pic_order_cnt_type %d, idr_flag %d last_has_mmco_5 %d last_pic_bottom_field %d pic_order_cnt_lsb %d PrevPicOrderCntLsb %d\r\n",
		__func__,
		active_sps->pic_order_cnt_type,
		pSlice->idr_flag,
		p_Vid->last_has_mmco_5,
		p_Vid->last_pic_bottom_field,
		pSlice->pic_order_cnt_lsb,
		p_Vid->PrevPicOrderCntLsb
	);

	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DEBUG_POC,
	"%s:field_pic_flag %d, bottom_field_flag %d frame_num %d PreviousFrameNum %d PreviousFrameNumOffset %d ax_frame_num %d num_ref_frames_in_pic_order_cnt_cycle %d offset_for_non_ref_pic %d\r\n",
		__func__,
		pSlice->field_pic_flag,
		pSlice->bottom_field_flag,
		pSlice->frame_num,
		p_Vid->PreviousFrameNum,
		p_Vid->PreviousFrameNumOffset,
		p_Vid->max_frame_num,
		active_sps->num_ref_frames_in_pic_order_cnt_cycle,
		active_sps->offset_for_non_ref_pic
	);

	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DEBUG_POC,
	"%s: delta_pic_order_cnt %d %d nal_reference_idc %d\r\n",
	__func__,
	pSlice->delta_pic_order_cnt[0], pSlice->delta_pic_order_cnt[1],
	pSlice->nal_reference_idc
	);


	switch (active_sps->pic_order_cnt_type) {
	case 0: /* POC MODE 0 */
		/* 1st */
		if (pSlice->idr_flag) {
			p_Vid->PrevPicOrderCntMsb = 0;
			p_Vid->PrevPicOrderCntLsb = 0;
		} else {
			if (p_Vid->last_has_mmco_5) {
				if (p_Vid->last_pic_bottom_field) {
					p_Vid->PrevPicOrderCntMsb = 0;
					p_Vid->PrevPicOrderCntLsb = 0;
				} else {
					p_Vid->PrevPicOrderCntMsb = 0;
					p_Vid->PrevPicOrderCntLsb =
						pSlice->toppoc;
				}
			}
		}
		/* Calculate the MSBs of current picture */
		if (pSlice->pic_order_cnt_lsb < p_Vid->PrevPicOrderCntLsb &&
		    (p_Vid->PrevPicOrderCntLsb - pSlice->pic_order_cnt_lsb) >=
		    (MaxPicOrderCntLsb / 2))
			pSlice->PicOrderCntMsb = p_Vid->PrevPicOrderCntMsb +
					MaxPicOrderCntLsb;
		else if (pSlice->pic_order_cnt_lsb >
				p_Vid->PrevPicOrderCntLsb &&
			 (pSlice->pic_order_cnt_lsb -
				p_Vid->PrevPicOrderCntLsb)  >
				 (MaxPicOrderCntLsb / 2))
			pSlice->PicOrderCntMsb = p_Vid->PrevPicOrderCntMsb -
					MaxPicOrderCntLsb;
		else
			pSlice->PicOrderCntMsb = p_Vid->PrevPicOrderCntMsb;

		/* 2nd */
		if (pSlice->field_pic_flag == 0) {
			/* frame pix */
			pSlice->toppoc = pSlice->PicOrderCntMsb +
					pSlice->pic_order_cnt_lsb;
			pSlice->bottompoc = pSlice->toppoc +
					pSlice->delta_pic_order_cnt_bottom;
			pSlice->ThisPOC = pSlice->framepoc =
				(pSlice->toppoc < pSlice->bottompoc) ?
				 pSlice->toppoc : pSlice->bottompoc;
					/* POC200301 */
		} else if (pSlice->bottom_field_flag == 0) {
			/* top field */
			pSlice->ThisPOC = pSlice->toppoc =
				pSlice->PicOrderCntMsb +
				pSlice->pic_order_cnt_lsb;
		} else {
			/* bottom field */
			pSlice->ThisPOC = pSlice->bottompoc =
				pSlice->PicOrderCntMsb +
				pSlice->pic_order_cnt_lsb;
		}
		pSlice->framepoc = pSlice->ThisPOC;

		p_Vid->ThisPOC = pSlice->ThisPOC;

		/* if ( pSlice->frame_num != p_Vid->PreviousFrameNum)
		 *	Seems redundant
		 */
		p_Vid->PreviousFrameNum = pSlice->frame_num;

		if (pSlice->nal_reference_idc) {
			p_Vid->PrevPicOrderCntLsb = pSlice->pic_order_cnt_lsb;
			p_Vid->PrevPicOrderCntMsb = pSlice->PicOrderCntMsb;
		}

		break;

	case 1: /* POC MODE 1 */
		/* 1st */
		if (pSlice->idr_flag) {
			p_Vid->FrameNumOffset = 0;   /* first pix of IDRGOP */
			if (pSlice->frame_num)
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL,
					"frame_num not equal to zero in IDR picture %d",
					-1020);
		} else {
			if (p_Vid->last_has_mmco_5) {
				p_Vid->PreviousFrameNumOffset = 0;
				p_Vid->PreviousFrameNum = 0;
			}
			if (pSlice->frame_num < p_Vid->PreviousFrameNum) {
				/* not first pix of IDRGOP */
				p_Vid->FrameNumOffset =
					p_Vid->PreviousFrameNumOffset +
						p_Vid->max_frame_num;
			} else {
				p_Vid->FrameNumOffset =
					p_Vid->PreviousFrameNumOffset;
			}
		}

		/* 2nd */
		if (active_sps->num_ref_frames_in_pic_order_cnt_cycle)
			pSlice->AbsFrameNum =
				p_Vid->FrameNumOffset + pSlice->frame_num;
		else
			pSlice->AbsFrameNum = 0;
		if ((!pSlice->nal_reference_idc) && pSlice->AbsFrameNum > 0)
			pSlice->AbsFrameNum--;

		/* 3rd */
		p_Vid->ExpectedDeltaPerPicOrderCntCycle = 0;

		if (active_sps->num_ref_frames_in_pic_order_cnt_cycle)
			for (i = 0; i < (int) active_sps->
				num_ref_frames_in_pic_order_cnt_cycle; i++) {
				p_Vid->ExpectedDeltaPerPicOrderCntCycle +=
					active_sps->offset_for_ref_frame[i];
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DEBUG_POC,
					"%s: offset_for_ref_frame %d\r\n",
					__func__,
					active_sps->
					offset_for_ref_frame[i]);
			}

		if (pSlice->AbsFrameNum) {
			p_Vid->PicOrderCntCycleCnt =
				(pSlice->AbsFrameNum - 1) /
				active_sps->
				num_ref_frames_in_pic_order_cnt_cycle;
			p_Vid->FrameNumInPicOrderCntCycle =
				(pSlice->AbsFrameNum - 1) %
				active_sps->
				num_ref_frames_in_pic_order_cnt_cycle;
			p_Vid->ExpectedPicOrderCnt =
				p_Vid->PicOrderCntCycleCnt *
				p_Vid->ExpectedDeltaPerPicOrderCntCycle;
			for (i = 0; i <= (int)p_Vid->
				FrameNumInPicOrderCntCycle; i++) {
				p_Vid->ExpectedPicOrderCnt +=
					active_sps->offset_for_ref_frame[i];
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DEBUG_POC,
					"%s: offset_for_ref_frame %d\r\n",
					__func__,
					active_sps->
					offset_for_ref_frame[i]);
			}
		} else
			p_Vid->ExpectedPicOrderCnt = 0;

		if (!pSlice->nal_reference_idc)
			p_Vid->ExpectedPicOrderCnt +=
				active_sps->offset_for_non_ref_pic;

		if (pSlice->field_pic_flag == 0) {
			/* frame pix */
			pSlice->toppoc = p_Vid->ExpectedPicOrderCnt +
				pSlice->delta_pic_order_cnt[0];
			pSlice->bottompoc = pSlice->toppoc +
				active_sps->offset_for_top_to_bottom_field +
				pSlice->delta_pic_order_cnt[1];
			pSlice->ThisPOC = pSlice->framepoc =
				(pSlice->toppoc < pSlice->bottompoc) ?
				pSlice->toppoc : pSlice->bottompoc;
				/* POC200301 */
		} else if (pSlice->bottom_field_flag == 0) {
			/* top field */
			pSlice->ThisPOC = pSlice->toppoc =
				p_Vid->ExpectedPicOrderCnt +
				pSlice->delta_pic_order_cnt[0];
		} else {
			/* bottom field */
			pSlice->ThisPOC = pSlice->bottompoc =
				p_Vid->ExpectedPicOrderCnt +
				active_sps->offset_for_top_to_bottom_field +
				pSlice->delta_pic_order_cnt[0];
		}
		pSlice->framepoc = pSlice->ThisPOC;

		p_Vid->PreviousFrameNum = pSlice->frame_num;
		p_Vid->PreviousFrameNumOffset = p_Vid->FrameNumOffset;

		break;


	case 2: /* POC MODE 2 */
		if (pSlice->idr_flag) { /* IDR picture */
			p_Vid->FrameNumOffset = 0;   /* first pix of IDRGOP */
			pSlice->ThisPOC = pSlice->framepoc = pSlice->toppoc =
				pSlice->bottompoc = 0;
			if (pSlice->frame_num)
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL,
					"frame_num not equal to zero in IDR picture %d",
					-1020);
		} else {
			if (p_Vid->last_has_mmco_5) {
				p_Vid->PreviousFrameNum = 0;
				p_Vid->PreviousFrameNumOffset = 0;
			}
			if (pSlice->frame_num < p_Vid->PreviousFrameNum)
				p_Vid->FrameNumOffset =
					p_Vid->PreviousFrameNumOffset +
					p_Vid->max_frame_num;
			else
				p_Vid->FrameNumOffset =
					p_Vid->PreviousFrameNumOffset;

			pSlice->AbsFrameNum = p_Vid->FrameNumOffset +
				pSlice->frame_num;
			if (!pSlice->nal_reference_idc)
				pSlice->ThisPOC =
					(2 * pSlice->AbsFrameNum - 1);
			else
				pSlice->ThisPOC = (2 * pSlice->AbsFrameNum);

			if (pSlice->field_pic_flag == 0)
				pSlice->toppoc = pSlice->bottompoc =
					pSlice->framepoc = pSlice->ThisPOC;
			else if (pSlice->bottom_field_flag == 0)
				pSlice->toppoc = pSlice->framepoc =
				pSlice->ThisPOC;
			else
				pSlice->bottompoc = pSlice->framepoc =
				pSlice->ThisPOC;
		}

		p_Vid->PreviousFrameNum = pSlice->frame_num;
		p_Vid->PreviousFrameNumOffset = p_Vid->FrameNumOffset;
		break;


	default:
		/* error must occurs */
		/* assert( 1==0 ); */
		break;
	}
}

void fill_frame_num_gap(struct VideoParameters *p_Vid, struct Slice *currSlice)
{
	struct h264_dpb_stru *p_H264_Dpb =
		container_of(p_Vid, struct h264_dpb_stru, mVideo);
	struct SPSParameters *active_sps = p_Vid->active_sps;
	int CurrFrameNum;
	int UnusedShortTermFrameNum;
	struct StorablePicture *picture = NULL;
	int tmp1 = currSlice->delta_pic_order_cnt[0];
	int tmp2 = currSlice->delta_pic_order_cnt[1];
	int ret;

	currSlice->delta_pic_order_cnt[0] =
		currSlice->delta_pic_order_cnt[1] = 0;

	dpb_print(p_H264_Dpb->decoder_index,
		PRINT_FLAG_DPB_DETAIL,
		"A gap in frame number is found, try to fill it.(pre_frame_num %d, max_frame_num %d\n",
		p_Vid->pre_frame_num, p_Vid->max_frame_num
	);

	UnusedShortTermFrameNum = (p_Vid->pre_frame_num + 1)
		% p_Vid->max_frame_num;
	CurrFrameNum = currSlice->frame_num; /*p_Vid->frame_num;*/

	while (CurrFrameNum != UnusedShortTermFrameNum) {
		/*pr_err("CurrFrameNum = %d, UnusedShortTermFrameNum = %d\n", CurrFrameNum, UnusedShortTermFrameNum);*/
		/*picture = alloc_storable_picture
		 *(p_Vid, FRAME, p_Vid->width,
		 *p_Vid->height,
		 *p_Vid->width_cr,
		 *p_Vid->height_cr, 1);
		 */
		picture = get_new_pic(p_H264_Dpb,
			p_H264_Dpb->mSlice.structure,
		/*p_Vid->width, p_Vid->height,
		 *p_Vid->width_cr,
		p_Vid->height_cr,*/ 1);

		if (picture == NULL) {
			struct DecodedPictureBuffer *p_Dpb = &p_H264_Dpb->mDPB;

			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_ERROR,
				"%s Error: get_new_pic return NULL\r\n",
				__func__);
			/*h264_debug_flag |= PRINT_FLAG_DUMP_DPB;*/
			dump_dpb(p_Dpb, 0);
			return;
		}

		picture->colocated_buf_index = -1;
		picture->buf_spec_num = -1;
		picture->buf_spec_is_alloced = 0;

		picture->coded_frame = 1;
		picture->pic_num = UnusedShortTermFrameNum;
		picture->frame_num = UnusedShortTermFrameNum;
		picture->non_existing = 1;
		picture->is_output = 1;
		picture->used_for_reference = 1;
		picture->adaptive_ref_pic_buffering_flag = 0;
		#if (MVC_EXTENSION_ENABLE)
		picture->view_id = currSlice->view_id;
		#endif

		currSlice->frame_num = UnusedShortTermFrameNum;
		if (active_sps->pic_order_cnt_type != 0) {
			/*decode_poc(p_Vid, p_Vid->ppSliceList[0]);*/
			decode_poc(&p_H264_Dpb->mVideo, &p_H264_Dpb->mSlice);
		}
		picture->top_poc    = currSlice->toppoc;
		picture->bottom_poc = currSlice->bottompoc;
		picture->frame_poc  = currSlice->framepoc;
		picture->poc        = currSlice->framepoc;

		ret = store_picture_in_dpb(p_H264_Dpb, picture, 0);
		if (ret == -1) {
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_ERROR,
				"%s Error: store_picture_in_dpb failed, break\n",
				__func__);
			release_picture(p_H264_Dpb, picture);
			bufmgr_force_recover(p_H264_Dpb);
			return;
		} else if (ret == -2)
			release_picture(p_H264_Dpb, picture);

		picture = NULL;
		p_Vid->pre_frame_num = UnusedShortTermFrameNum;
		UnusedShortTermFrameNum =
			(UnusedShortTermFrameNum + 1) %
			p_Vid->max_frame_num;
	}
	currSlice->delta_pic_order_cnt[0] = tmp1;
	currSlice->delta_pic_order_cnt[1] = tmp2;
	currSlice->frame_num = CurrFrameNum;
}

void dpb_init_global(struct h264_dpb_stru *p_H264_Dpb,
	int id, int actual_dpb_size, int max_reference_size)
{
	int i;

	init_dummy_fs();

	memset(&p_H264_Dpb->mDPB, 0, sizeof(struct DecodedPictureBuffer));

	memset(&p_H264_Dpb->mSlice, 0, sizeof(struct Slice));
	memset(&p_H264_Dpb->mVideo, 0, sizeof(struct VideoParameters));
	memset(&p_H264_Dpb->mSPS, 0, sizeof(struct SPSParameters));

	for (i = 0; i < DPB_SIZE_MAX; i++) {
		memset(&(p_H264_Dpb->mFrameStore[i]), 0,
			sizeof(struct FrameStore));
	}

	for (i = 0; i < MAX_PIC_BUF_NUM; i++) {
		memset(&(p_H264_Dpb->m_PIC[i]), 0,
			sizeof(struct StorablePicture));
		p_H264_Dpb->m_PIC[i].index = i;
	}
	p_H264_Dpb->decoder_index = id;

    /* make sure dpb_init_global
     *can be called during decoding
     *(in DECODE_STATE_IDLE or DECODE_STATE_READY state)
     */
	p_H264_Dpb->mDPB.size = actual_dpb_size;
	p_H264_Dpb->max_reference_size = max_reference_size;
	p_H264_Dpb->poc_even_odd_flag = 0;
}

static void init_picture(struct h264_dpb_stru *p_H264_Dpb,
			 struct Slice *currSlice,
			 struct StorablePicture *dec_picture)
{
	/* struct VideoParameters *p_Vid = &(p_H264_Dpb->mVideo); */
	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		  "%s dec_picture %p\n", __func__, dec_picture);
	dec_picture->top_poc = currSlice->toppoc;
	dec_picture->bottom_poc = currSlice->bottompoc;
	dec_picture->frame_poc = currSlice->framepoc;
	switch (currSlice->structure) {
	case TOP_FIELD: {
		dec_picture->poc = currSlice->toppoc;
		/* p_Vid->number *= 2; */
		break;
	}
	case BOTTOM_FIELD: {
		dec_picture->poc = currSlice->bottompoc;
		/* p_Vid->number = p_Vid->number * 2 + 1; */
		break;
	}
	case FRAME: {
		dec_picture->poc = currSlice->framepoc;
		break;
	}
	default:
		dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			  "p_Vid->structure not initialized %d\n", 235);
	}

	/* dec_picture->slice_type = p_Vid->type; */
	dec_picture->used_for_reference = (currSlice->nal_reference_idc != 0);
	dec_picture->idr_flag = currSlice->idr_flag;
	dec_picture->no_output_of_prior_pics_flag =
		currSlice->no_output_of_prior_pics_flag;
	dec_picture->long_term_reference_flag =
		currSlice->long_term_reference_flag;
#if 1
	dec_picture->adaptive_ref_pic_buffering_flag =
		currSlice->adaptive_ref_pic_buffering_flag;
	dec_picture->dec_ref_pic_marking_buffer =
		&currSlice->dec_ref_pic_marking_buffer[0];
#endif
	/* currSlice->dec_ref_pic_marking_buffer   = NULL; */

	/* dec_picture->mb_aff_frame_flag = currSlice->mb_aff_frame_flag; */
	/* dec_picture->PicWidthInMbs     = p_Vid->PicWidthInMbs; */

	/* p_Vid->get_mb_block_pos =
	 *	dec_picture->mb_aff_frame_flag ? get_mb_block_pos_mbaff :
	 *	get_mb_block_pos_normal;
	 */
	/* p_Vid->getNeighbour     =
	 *	dec_picture->mb_aff_frame_flag ? getAffNeighbour :
	 *	getNonAffNeighbour;
	 */

	dec_picture->pic_num   = currSlice->frame_num;
	dec_picture->frame_num = currSlice->frame_num;

	/* dec_picture->recovery_frame =
	 *	(unsigned int) ((int) currSlice->frame_num ==
	 *	p_Vid->recovery_frame_num);
	 */

	dec_picture->coded_frame = (currSlice->structure == FRAME);

	/* dec_picture->chroma_format_idc = active_sps->chroma_format_idc; */

	/* dec_picture->frame_mbs_only_flag =
	 *	active_sps->frame_mbs_only_flag;
	 */
	/* dec_picture->frame_cropping_flag =
	 *	active_sps->frame_cropping_flag;
	 */

	if ((currSlice->picture_structure_mmco & 0x3) == 3) {
		dec_picture->mb_aff_frame_flag = 1;
		dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			"%s, picture_structure_mmco is %x, set mb_aff_frame_flag to 1\n",
			__func__,
			currSlice->picture_structure_mmco);
	}

	if (currSlice->pic_struct < PIC_INVALID) {
		dec_picture->pic_struct = currSlice->pic_struct;
	} else {
		dec_picture->pic_struct = PIC_INVALID;
	}

	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			  "%s pic_struct = %d\n", __func__, dec_picture->pic_struct);
}

void dump_pic(struct h264_dpb_stru *p_H264_Dpb)
{
	int ii;
	struct StorablePicture *pic;
	for (ii = 0; ii < MAX_PIC_BUF_NUM; ii++) {
		pic = &(p_H264_Dpb->m_PIC[ii]);
		if (pic->is_used) {
			dpb_print(p_H264_Dpb->decoder_index, 0,
				"pic(%d,%d) poc %d is_used %d bufspec %d colbuf %d for_ref %d long_term %d pre_out %d output %d nonexist %d data_flag 0x%x\n",
				ii, pic->index,
				pic->poc,
				pic->is_used,
				pic->buf_spec_num,
				pic->colocated_buf_index,
				pic->used_for_reference,
				pic->is_long_term,
				pic->pre_output,
				pic->is_output,
				pic->non_existing,
				pic->data_flag);
		}
	}
}

/*
static void is_pic_used_by_dpb(struct h264_dpb_stru *p_H264_Dpb,
	struct StorablePicture *pic)
{
	struct DecodedPictureBuffer *p_Dpb = &p_H264_Dpb->mDPB;
	unsigned i;
	for (i = 0; i < p_Dpb->used_size; i++) {
		if (p_Dpb->fs[i]->top_field == pic ||
			p_Dpb->fs[i]->bottom_field == pic ||
			p_Dpb->fs[i]->frame == pic
			)
			break;
	}
	if (i < p_Dpb->used_size)
		return 1;
	return 0;
}
*/

static struct StorablePicture *get_new_pic(struct h264_dpb_stru *p_H264_Dpb,
		enum PictureStructure structure, unsigned char is_output)
{
	struct StorablePicture *s = NULL;
	struct StorablePicture *pic;
	struct VideoParameters *p_Vid = &(p_H264_Dpb->mVideo);
	/* recycle un-used pic */
	int ii = 0;

	for (ii = 0; ii < MAX_PIC_BUF_NUM; ii++) {
		pic = &(p_H264_Dpb->m_PIC[ii]);
		if (pic->is_used == 0) {
			pic->is_used = 1;
			s = pic;
			break;
		}
	}

	if (s) {
		s->buf_spec_is_alloced = 0;
		s->pic_num   = 0;
		s->frame_num = 0;
		s->long_term_frame_idx = 0;
		s->long_term_pic_num   = 0;
		s->used_for_reference  = 0;
		s->is_long_term        = 0;
		s->non_existing        = 0;
		s->is_output           = 0;
		s->pre_output          = 0;
		s->max_slice_id        = 0;
		s->data_flag &= ~(ERROR_FLAG | NODISP_FLAG);
#if (MVC_EXTENSION_ENABLE)
		s->view_id = -1;
#endif

		s->structure = structure;

#if 0
		s->size_x = size_x;
		s->size_y = size_y;
		s->size_x_cr = size_x_cr;
		s->size_y_cr = size_y_cr;
		s->size_x_m1 = size_x - 1;
		s->size_y_m1 = size_y - 1;
		s->size_x_cr_m1 = size_x_cr - 1;
		s->size_y_cr_m1 = size_y_cr - 1;

		s->top_field    = p_Vid->no_reference_picture;
		s->bottom_field = p_Vid->no_reference_picture;
		s->frame        = p_Vid->no_reference_picture;
#endif
		/* s->dec_ref_pic_marking_buffer = NULL; */

		s->coded_frame  = 0;
		s->mb_aff_frame_flag  = 0;

		s->top_poc = s->bottom_poc = s->poc = 0;
		s->seiHasTone_mapping = 0;
		s->frame_mbs_only_flag = p_Vid->active_sps->frame_mbs_only_flag;

		if (!p_Vid->active_sps->frame_mbs_only_flag &&
			structure != FRAME) {
			int i, j;

			for (j = 0; j < MAX_NUM_SLICES; j++) {
				for (i = 0; i < 2; i++) {
					/* s->listX[j][i] =
					 *calloc(MAX_LIST_SIZE,
					 *sizeof (struct StorablePicture *));
					 *+1 for reordering   ???

					 *if (NULL == s->listX[j][i])
					 *no_mem_exit("alloc_storable_picture:
					 *s->listX[i]");
					 */
				}
			}
		}
	} else
		p_H264_Dpb->buf_alloc_fail = 1;
	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			"%s %p\n", __func__, s);
	return s;
}

static void free_picture(struct h264_dpb_stru *p_H264_Dpb,
			 struct StorablePicture *pic)
{
	if (pic == NULL || pic->index < 0 ||
		pic->index >= MAX_PIC_BUF_NUM)
		return;
	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			"%s %p %d\n", __func__, pic, pic->index);
	/* assert(pic->index<MAX_PIC_BUF_NUM); */
	p_H264_Dpb->m_PIC[pic->index].is_used = 0;
}

static void gen_field_ref_ids(struct VideoParameters *p_Vid,
			      struct StorablePicture *p)
{
	int i, j;
	struct h264_dpb_stru *p_H264_Dpb = container_of(p_Vid,
					struct h264_dpb_stru, mVideo);
	/* ! Generate Frame parameters from field information. */
	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
					"%s\n", __func__);

	/* copy the list; */
	for (j = 0; j < p_Vid->iSliceNumOfCurrPic; j++) {
		if (p->listX[j][LIST_0]) {
			p->listXsize[j][LIST_0] =
				p_Vid->ppSliceList[j]->listXsize[LIST_0];
			for (i = 0; i < p->listXsize[j][LIST_0]; i++)
				p->listX[j][LIST_0][i] =
				p_Vid->ppSliceList[j]->listX[LIST_0][i];
		}
		if (p->listX[j][LIST_1]) {
			p->listXsize[j][LIST_1] =
				p_Vid->ppSliceList[j]->listXsize[LIST_1];
			for (i = 0; i < p->listXsize[j][LIST_1]; i++)
				p->listX[j][LIST_1][i] =
				p_Vid->ppSliceList[j]->listX[LIST_1][i];
		}
	}
}

static void init_dpb(struct h264_dpb_stru *p_H264_Dpb, int type)
{
	unsigned int i;
	struct VideoParameters *p_Vid  = &p_H264_Dpb->mVideo;
	struct DecodedPictureBuffer *p_Dpb = &p_H264_Dpb->mDPB;
	struct SPSParameters *active_sps = &p_H264_Dpb->mSPS;

	p_Vid->active_sps = active_sps;
	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		"%s\n", __func__);

	p_Dpb->p_Vid = p_Vid;
	if (p_Dpb->init_done) {
		/* free_dpb(p_Dpb); */
		if (p_Vid->no_reference_picture) {
			free_picture(p_H264_Dpb, p_Vid->no_reference_picture);
			p_Vid->no_reference_picture = NULL;
		}
		p_Dpb->init_done = 0;
	}

	/* p_Dpb->size = 10; //active_sps->max_dpb_size; //16;
	 *   getDpbSize(p_Vid, active_sps) +
	 *	p_Vid->p_Inp->dpb_plus[type==2? 1: 0];
	 *   p_Dpb->size = active_sps->max_dpb_size; //16;
	 *   getDpbSize(p_Vid, active_sps) +
	 *	p_Vid->p_Inp->dpb_plus[type==2? 1: 0];
	 *   p_Dpb->size initialzie in vh264.c
	 */
	p_Dpb->num_ref_frames = active_sps->num_ref_frames;
	/* p_Dpb->num_ref_frames initialzie in vh264.c */
	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		  "%s dpb_size is %d  num_ref_frames = %d (%d)\n",
		  __func__, p_Dpb->size,
		  p_Dpb->num_ref_frames,
		  active_sps->num_ref_frames);
	if (active_sps->num_ref_frames == 0xffff) {
		dpb_print(p_H264_Dpb->decoder_index, 0,
		  "!!!Warning, num_ref_frames = %d is invalid\n",
		  active_sps->num_ref_frames);
	}

#if 0
	/* ??? */
#if (MVC_EXTENSION_ENABLE)
	if ((unsigned int)active_sps->max_dec_frame_buffering <
	    active_sps->num_ref_frames) {
#else
	if (p_Dpb->size < active_sps->num_ref_frames) {
#endif
		error(
		"DPB size at specified level is smaller than the specified number of reference frames. This is not allowed.\n",
		1000);
	}
#endif

	p_Dpb->used_size = 0;
	p_Dpb->last_picture = NULL;

	p_Dpb->ref_frames_in_buffer = 0;
	p_Dpb->ltref_frames_in_buffer = 0;

#if 0
	p_Dpb->fs = calloc(p_Dpb->size, sizeof(struct FrameStore *));
	if (NULL == p_Dpb->fs)
		no_mem_exit("init_dpb: p_Dpb->fs");

	p_Dpb->fs_ref = calloc(p_Dpb->size, sizeof(struct FrameStore *));
	if (NULL == p_Dpb->fs_ref)
		no_mem_exit("init_dpb: p_Dpb->fs_ref");

	p_Dpb->fs_ltref = calloc(p_Dpb->size, sizeof(struct FrameStore *));
	if (NULL == p_Dpb->fs_ltref)
		no_mem_exit("init_dpb: p_Dpb->fs_ltref");
#endif

#if (MVC_EXTENSION_ENABLE)
	p_Dpb->fs_ilref = calloc(1, sizeof(struct FrameStore *));
	if (NULL == p_Dpb->fs_ilref)
		no_mem_exit("init_dpb: p_Dpb->fs_ilref");
#endif

	for (i = 0; i < p_Dpb->size; i++) {
		p_Dpb->fs[i] = &(p_H264_Dpb->mFrameStore[i]);
		/* alloc_frame_store(); */
		p_Dpb->fs[i]->index       = i;
		p_Dpb->fs_ref[i]   = NULL;
		p_Dpb->fs_ltref[i] = NULL;
		p_Dpb->fs[i]->layer_id = 0; /* MVC_INIT_VIEW_ID; */
#if (MVC_EXTENSION_ENABLE)
		p_Dpb->fs[i]->view_id = MVC_INIT_VIEW_ID;
		p_Dpb->fs[i]->inter_view_flag[0] =
			p_Dpb->fs[i]->inter_view_flag[1] = 0;
		p_Dpb->fs[i]->anchor_pic_flag[0] =
			p_Dpb->fs[i]->anchor_pic_flag[1] = 0;
#endif
	}
#if (MVC_EXTENSION_ENABLE)
	if (type == 2) {
		p_Dpb->fs_ilref[0] = alloc_frame_store();
		/* These may need some cleanups */
		p_Dpb->fs_ilref[0]->view_id = MVC_INIT_VIEW_ID;
		p_Dpb->fs_ilref[0]->inter_view_flag[0] =
			p_Dpb->fs_ilref[0]->inter_view_flag[1] = 0;
		p_Dpb->fs_ilref[0]->anchor_pic_flag[0] =
			p_Dpb->fs_ilref[0]->anchor_pic_flag[1] = 0;
		/* given that this is in a different buffer,
		 *	do we even need proc_flag anymore?
		 */
	} else
		p_Dpb->fs_ilref[0] = NULL;
#endif

	/*
	 *for (i = 0; i < 6; i++)
	 *{
	 *currSlice->listX[i] =
	 *	calloc(MAX_LIST_SIZE, sizeof (struct StorablePicture *));
	 *	+1 for reordering
	 *if (NULL == currSlice->listX[i])
	 *no_mem_exit("init_dpb: currSlice->listX[i]");
	 *}
	 */
	/* allocate a dummy storable picture */
	if (!p_Vid->no_reference_picture) {
		p_Vid->no_reference_picture = get_new_pic(p_H264_Dpb,
					      FRAME,
		/*p_Vid->width, p_Vid->height,
		 *p_Vid->width_cr, p_Vid->height_cr,
		 */
		1);
		p_Vid->no_reference_picture->top_field =
			p_Vid->no_reference_picture;
		p_Vid->no_reference_picture->bottom_field =
			p_Vid->no_reference_picture;
		p_Vid->no_reference_picture->frame =
			p_Vid->no_reference_picture;
	}
	p_Dpb->last_output_poc = INT_MIN;

#if (MVC_EXTENSION_ENABLE)
	p_Dpb->last_output_view_id = -1;
#endif

	p_Vid->last_has_mmco_5 = 0;

	init_colocate_buf(p_H264_Dpb, p_H264_Dpb->max_reference_size);

	p_Dpb->init_done = 1;

#if 0
/* ??? */
	/* picture error concealment */
	if (p_Vid->conceal_mode != 0 && !p_Vid->last_out_fs)
		p_Vid->last_out_fs = alloc_frame_store();
#endif
}

static void dpb_split_field(struct h264_dpb_stru *p_H264_Dpb,
			    struct FrameStore *fs)
{
	struct StorablePicture *fs_top = NULL, *fs_btm = NULL;
	struct StorablePicture *frame = fs->frame;

	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		"%s %p %p\n", __func__, fs, frame);

	fs->poc = frame->poc;

	if (!frame->frame_mbs_only_flag) {
		fs_top = fs->top_field = get_new_pic(p_H264_Dpb,
			TOP_FIELD,
			/* frame->size_x, frame->size_y,
			 *frame->size_x_cr, frame->size_y_cr,
			 */
			1);
		fs_btm = fs->bottom_field = get_new_pic(p_H264_Dpb,
			BOTTOM_FIELD,
			/*frame->size_x, frame->size_y,
			 *frame->size_x_cr, frame->size_y_cr,
			 */
			1);
		if (fs_top == NULL || fs_btm == NULL)
			return;
#if 1
/* rain */
		fs_top->buf_spec_num = frame->buf_spec_num;
		fs_btm->buf_spec_num = frame->buf_spec_num;

		fs_top->colocated_buf_index = frame->colocated_buf_index;
		fs_btm->colocated_buf_index = frame->colocated_buf_index;

		fs_top->data_flag = frame->data_flag;
		fs_btm->data_flag = frame->data_flag;
#endif
		fs_top->poc = frame->top_poc;
		fs_btm->poc = frame->bottom_poc;

#if (MVC_EXTENSION_ENABLE)
		fs_top->view_id = frame->view_id;
		fs_btm->view_id = frame->view_id;
#endif

		fs_top->frame_poc =  frame->frame_poc;

		fs_top->bottom_poc = fs_btm->bottom_poc =  frame->bottom_poc;
		fs_top->top_poc    = fs_btm->top_poc    =  frame->top_poc;
		fs_btm->frame_poc  = frame->frame_poc;

		fs_top->used_for_reference = fs_btm->used_for_reference
					     = frame->used_for_reference;
		fs_top->is_long_term = fs_btm->is_long_term
				       = frame->is_long_term;
		fs->long_term_frame_idx = fs_top->long_term_frame_idx
					  = fs_btm->long_term_frame_idx
					    = frame->long_term_frame_idx;

		fs_top->coded_frame = fs_btm->coded_frame = 1;
		fs_top->mb_aff_frame_flag = fs_btm->mb_aff_frame_flag
					    = frame->mb_aff_frame_flag;

		frame->top_field    = fs_top;
		frame->bottom_field = fs_btm;
		frame->frame         = frame;
		fs_top->bottom_field = fs_btm;
		fs_top->frame        = frame;
		fs_top->top_field = fs_top;
		fs_btm->top_field = fs_top;
		fs_btm->frame     = frame;
		fs_btm->bottom_field = fs_btm;

#if (MVC_EXTENSION_ENABLE)
		fs_top->view_id = fs_btm->view_id = fs->view_id;
		fs_top->inter_view_flag = fs->inter_view_flag[0];
		fs_btm->inter_view_flag = fs->inter_view_flag[1];
#endif

		fs_top->chroma_format_idc = fs_btm->chroma_format_idc =
						    frame->chroma_format_idc;
		fs_top->iCodingType = fs_btm->iCodingType = frame->iCodingType;
	} else {
		fs->top_field       = NULL;
		fs->bottom_field    = NULL;
		frame->top_field    = NULL;
		frame->bottom_field = NULL;
		frame->frame = frame;
	}

}


static void dpb_combine_field(struct h264_dpb_stru *p_H264_Dpb,
			      struct FrameStore *fs)
{

	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			"%s\n", __func__);

	if (!fs->frame) {
		fs->frame = get_new_pic(p_H264_Dpb,
			FRAME,
			/* fs->top_field->size_x, fs->top_field->size_y*2,
			 *fs->top_field->size_x_cr, fs->top_field->size_y_cr*2,
			 */
			1);
	}
	if (!fs->frame)
		return;
#if 1
/* rain */
	fs->frame->buf_spec_num = fs->top_field->buf_spec_num;
	fs->frame->colocated_buf_index = fs->top_field->colocated_buf_index;
	fs->frame->data_flag = fs->top_field->data_flag;
	fs->frame->slice_type = fs->top_field->slice_type;
	if (fs->bottom_field)
		fs->frame->data_flag |= (fs->bottom_field->data_flag & 0xf0);
#endif

	if (fs->bottom_field) {
		fs->poc = fs->frame->poc = fs->frame->frame_poc = imin(
				fs->top_field->poc, fs->bottom_field->poc);

		fs->bottom_field->frame_poc = fs->top_field->frame_poc = fs->frame->poc;

		fs->bottom_field->top_poc = fs->frame->top_poc = fs->top_field->poc;
		fs->top_field->bottom_poc = fs->frame->bottom_poc =
				fs->bottom_field->poc;

		fs->frame->used_for_reference = (fs->top_field->used_for_reference &&
						 fs->bottom_field->used_for_reference);
		fs->frame->is_long_term = (fs->top_field->is_long_term &&
					   fs->bottom_field->is_long_term);
	}

	if (fs->frame->is_long_term)
		fs->frame->long_term_frame_idx = fs->long_term_frame_idx;

	fs->frame->top_field    = fs->top_field;
	if (fs->bottom_field)
		fs->frame->bottom_field = fs->bottom_field;
	fs->frame->frame = fs->frame;

	fs->frame->coded_frame = 0;

	fs->frame->chroma_format_idc = fs->top_field->chroma_format_idc;
	fs->frame->frame_cropping_flag = fs->top_field->frame_cropping_flag;
	if (fs->frame->frame_cropping_flag) {
		fs->frame->frame_crop_top_offset =
			fs->top_field->frame_crop_top_offset;
		fs->frame->frame_crop_bottom_offset =
			fs->top_field->frame_crop_bottom_offset;
		fs->frame->frame_crop_left_offset =
			fs->top_field->frame_crop_left_offset;
		fs->frame->frame_crop_right_offset =
			fs->top_field->frame_crop_right_offset;
	}
	if (fs->bottom_field) {
		fs->top_field->frame = fs->bottom_field->frame = fs->frame;
		fs->top_field->top_field = fs->top_field;
		fs->top_field->bottom_field = fs->bottom_field;
		fs->bottom_field->top_field = fs->top_field;
		fs->bottom_field->bottom_field = fs->bottom_field;
	}

	/**/
#if (MVC_EXTENSION_ENABLE)
	fs->frame->view_id = fs->view_id;
#endif
	fs->frame->iCodingType = fs->top_field->iCodingType;
	if (fs->bottom_field && fs->top_field->poc < fs->bottom_field->poc) {
		fs->pts = fs->top_field->pts;
		fs->pts64 = fs->top_field->pts64;
		/*SWPL-7105 fix */
		if ((fs->frame->slice_type == B_SLICE)
			&& (!fs->bottom_field->pts) &&(!fs->bottom_field->pts64)) {
			fs->pts =  0;
			fs->pts64 = 0;
		}
		fs->offset_delimiter = fs->top_field->offset_delimiter;
		fs->decoded_frame_size = fs->top_field->pic_size + fs->bottom_field->pic_size;
	} else if (fs->bottom_field) {
		fs->pts = fs->bottom_field->pts;
		fs->pts64 = fs->bottom_field->pts64;
		fs->offset_delimiter = fs->bottom_field->offset_delimiter;
		fs->decoded_frame_size = fs->top_field->pic_size + fs->bottom_field->pic_size;
	}
	/* FIELD_CODING ;*/
}

static void calculate_frame_no(struct VideoParameters *p_Vid,
			       struct StorablePicture *p)
{
#if 0
/* ??? */
	InputParameters *p_Inp = p_Vid->p_Inp;
	/* calculate frame number */
	int psnrPOC = p_Vid->active_sps->mb_adaptive_frame_field_flag ?
		p->poc / (p_Inp->poc_scale) : p->poc / (p_Inp->poc_scale);

	if (psnrPOC == 0) { /* && p_Vid->psnr_number) */
		p_Vid->idr_psnr_number =
		p_Vid->g_nFrame * p_Vid->ref_poc_gap / (p_Inp->poc_scale);
	}
	p_Vid->psnr_number = imax(p_Vid->psnr_number,
		p_Vid->idr_psnr_number + psnrPOC);

	p_Vid->frame_no = p_Vid->idr_psnr_number + psnrPOC;
#endif
}

static void insert_picture_in_dpb(struct h264_dpb_stru *p_H264_Dpb,
				  struct FrameStore *fs,
				  struct StorablePicture *p,
				  unsigned char data_flag)
{
	struct vdec_frames_s *mvfrm = p_H264_Dpb->vdec->mvfrm;
	struct VideoParameters *p_Vid = &p_H264_Dpb->mVideo;
	/* InputParameters *p_Inp = p_Vid->p_Inp;
	 *   dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
	 *	"insert (%s) pic with frame_num #%d, poc %d\n",
	 *	(p->structure == FRAME)?"FRAME":
	 *	(p->structure == TOP_FIELD)?"TOP_FIELD":
	 *	"BOTTOM_FIELD", p->pic_num, p->poc);
	 *   assert (p!=NULL);
	 *   assert (fs!=NULL);
	 */
	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		"%s %p %p\n", __func__, fs, p);
	p_H264_Dpb->dpb_frame_count++;
	fs->dpb_frame_count = p_H264_Dpb->dpb_frame_count;
#if 1
/* rain */
/* p->buf_spec_num = fs->index; */
	p->data_flag = data_flag;
	fs->data_flag |= data_flag;
	fs->buf_spec_num = p->buf_spec_num;
	fs->colocated_buf_index = p->colocated_buf_index;
#endif
	p->slice_type = p_H264_Dpb->mSlice.slice_type;
	switch (p->structure) {
	case FRAME:
		fs->frame = p;
		fs->is_used = 3;
		fs->slice_type = p->slice_type;
		fs->frame_size = p->frame_size;
		fs->offset_delimiter = p->offset_delimiter;
		fs->decoded_frame_size = p->pic_size;
		if (p->used_for_reference) {
			fs->is_reference = 3;
			fs->is_orig_reference = 3;
			if (p->is_long_term) {
				fs->is_long_term = 3;
				fs->long_term_frame_idx =
					p->long_term_frame_idx;
			}
		}
		fs->pts = p->pts;
		fs->pts64 = p->pts64;
		fs->layer_id = p->layer_id;
#if (MVC_EXTENSION_ENABLE)
		fs->view_id = p->view_id;
		fs->inter_view_flag[0] = fs->inter_view_flag[1] =
			p->inter_view_flag;
		fs->anchor_pic_flag[0] = fs->anchor_pic_flag[1] =
			p->anchor_pic_flag;
#endif
		/* generate field views */
		/* return; */
		dpb_split_field(p_H264_Dpb, fs);
		/* return; */
		break;
	case TOP_FIELD:
		fs->top_field = p;
		fs->is_used |= 1;
		fs->layer_id = p->layer_id;
		if (fs->frame_size == 0) {
			fs->slice_type = p->slice_type;
//			fs->pts = p->pts;
//			fs->pts64 = p->pts64;
		}
		fs->frame_size += p->frame_size;
#if (MVC_EXTENSION_ENABLE)
		fs->view_id = p->view_id;
		fs->inter_view_flag[0] = p->inter_view_flag;
		fs->anchor_pic_flag[0] = p->anchor_pic_flag;
#endif
		if (p->used_for_reference) {
			fs->is_reference |= 1;
			fs->is_orig_reference |= 1;
			if (p->is_long_term) {
				fs->is_long_term |= 1;
				fs->long_term_frame_idx =
					p->long_term_frame_idx;
			}
		}
		if (fs->is_used == 3) {
			/* generate frame view */
			dpb_combine_field(p_H264_Dpb, fs);
		} else {
			fs->poc = p->poc;
		}
		gen_field_ref_ids(p_Vid, p);
		break;
	case BOTTOM_FIELD:
		fs->bottom_field = p;
		fs->is_used |= 2;
		fs->layer_id = p->layer_id;
		if (fs->frame_size == 0) {
			fs->slice_type = p->slice_type;
//			fs->pts = p->pts;
//			fs->pts64 = p->pts64;
		}
		fs->frame_size += p->frame_size;
#if (MVC_EXTENSION_ENABLE)
		fs->view_id = p->view_id;
		fs->inter_view_flag[1] = p->inter_view_flag;
		fs->anchor_pic_flag[1] = p->anchor_pic_flag;
#endif
		if (p->used_for_reference) {
			fs->is_reference |= 2;
			fs->is_orig_reference |= 2;
			if (p->is_long_term) {
				fs->is_long_term |= 2;
				fs->long_term_frame_idx =
					p->long_term_frame_idx;
			}
		}
		if (fs->is_used == 3) {
			/* generate frame view */
			dpb_combine_field(p_H264_Dpb, fs);
		} else {
			fs->poc = p->poc;
		}
		gen_field_ref_ids(p_Vid, p);
		break;
	}
	fs->frame_num = p->pic_num;
	fs->recovery_frame = p->recovery_frame;

	fs->is_output = p->is_output;
	fs->pre_output = p->pre_output;

	/* picture qos infomation*/
	fs->max_mv = p->max_mv;
	fs->avg_mv = p->avg_mv;
	fs->min_mv = p->min_mv;

	fs->max_qp = p->max_qp;
	fs->avg_qp = p->avg_qp;
	fs->min_qp = p->min_qp;

	fs->max_skip = p->max_skip;
	fs->avg_skip = p->avg_skip;
	fs->min_skip = p->min_skip;

	if (fs->is_used == 3) {
		calculate_frame_no(p_Vid, p);
#if 0
/* ??? */
	if (-1 != p_Vid->p_ref && !p_Inp->silent)
		find_snr(p_Vid, fs->frame, &p_Vid->p_ref);
#endif
	//fs->pts = p->pts;
	//fs->pts64 = p->pts64;
	}
	if ((fs->frame != NULL) &&
		((fs->bottom_field != NULL) || (fs->top_field != NULL))) {
		fs->last_field_timestamp = fs->timestamp;
		fs->timestamp = p->timestamp;
	} else {
		fs->timestamp = p->timestamp;
	}
	if (mvfrm) {
		fs->frame_size2 = mvfrm->frame_size;
		fs->hw_decode_time = mvfrm->hw_decode_time;
	}
}

void reset_frame_store(struct h264_dpb_stru *p_H264_Dpb,
			      struct FrameStore *f)
{
	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		"%s\n", __func__);

	if (f) {
		if (f->frame) {
			free_picture(p_H264_Dpb, f->frame);
			f->frame = NULL;
		}
		if (f->top_field) {
			free_picture(p_H264_Dpb, f->top_field);
			f->top_field = NULL;
		}
		if (f->bottom_field) {
			free_picture(p_H264_Dpb, f->bottom_field);
			f->bottom_field = NULL;
		}

		/**/
		f->is_used      = 0;
		f->is_reference = 0;
		f->is_long_term = 0;
		f->is_orig_reference = 0;

		f->is_output = 0;
		f->pre_output = 0;
		f->show_frame   = false;

		f->frame        = NULL;
		f->top_field    = NULL;
		f->bottom_field = NULL;

		/* free(f); */
	}
}

void unmark_for_reference(struct DecodedPictureBuffer *p_Dpb,
				 struct FrameStore *fs)
{
	struct h264_dpb_stru *p_H264_Dpb = container_of(p_Dpb,
				struct h264_dpb_stru, mDPB);
	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		"%s %p %p %p %p\n", __func__,
		fs, fs->frame, fs->top_field, fs->bottom_field);
	/* return; */
	if (fs->is_used & 1) {
		if (fs->top_field)
			fs->top_field->used_for_reference = 0;
	}
	if (fs->is_used & 2) {
		if (fs->bottom_field)
			fs->bottom_field->used_for_reference = 0;
	}
	if (fs->is_used == 3) {
		if (fs->top_field && fs->bottom_field) {
			fs->top_field->used_for_reference = 0;
			fs->bottom_field->used_for_reference = 0;
		}
		fs->frame->used_for_reference = 0;
	}

	fs->is_reference = 0;

}

static void unmark_for_long_term_reference(struct FrameStore *fs)
{
	if (fs->is_used & 1) {
		if (fs->top_field) {
			fs->top_field->used_for_reference = 0;
			fs->top_field->is_long_term = 0;
		}
	}
	if (fs->is_used & 2) {
		if (fs->bottom_field) {
			fs->bottom_field->used_for_reference = 0;
			fs->bottom_field->is_long_term = 0;
		}
	}
	if (fs->is_used == 3) {
		if (fs->top_field && fs->bottom_field) {
			fs->top_field->used_for_reference = 0;
			fs->top_field->is_long_term = 0;
			fs->bottom_field->used_for_reference = 0;
			fs->bottom_field->is_long_term = 0;
		}
		fs->frame->used_for_reference = 0;
		fs->frame->is_long_term = 0;
	}

	fs->is_reference = 0;
	fs->is_long_term = 0;
}

int get_long_term_flag_by_buf_spec_num(struct h264_dpb_stru *p_H264_Dpb,
	int buf_spec_num)
{
	struct DecodedPictureBuffer *p_Dpb = &p_H264_Dpb->mDPB;
	unsigned int i;

	for (i = 0; i < p_Dpb->used_size; i++) {
		if (p_Dpb->fs[i]->buf_spec_num == buf_spec_num)
			return p_Dpb->fs[i]->is_long_term;
	}
	return -1;
}

static void update_pic_num(struct h264_dpb_stru *p_H264_Dpb)
{
	unsigned int i;
	struct Slice *currSlice = &p_H264_Dpb->mSlice;
	struct VideoParameters *p_Vid = currSlice->p_Vid;
	struct DecodedPictureBuffer *p_Dpb = currSlice->p_Dpb;
	struct SPSParameters *active_sps = p_Vid->active_sps;
	int add_top = 0, add_bottom = 0;
	int max_frame_num = 1 << (active_sps->log2_max_frame_num_minus4 + 4);

	if (currSlice->structure == FRAME) {
		for (i = 0; i < p_Dpb->ref_frames_in_buffer; i++) {
#ifdef ERROR_CHECK
			if (p_Dpb->fs_ref[i] == NULL ||
				p_Dpb->fs_ref[i]->frame == NULL) {
				p_H264_Dpb->dpb_error_flag = __LINE__;
				continue;
			}
#endif
			if (p_Dpb->fs_ref[i]->is_used == 3) {
				if ((p_Dpb->fs_ref[i]->frame->
					used_for_reference) &&
				    (!p_Dpb->fs_ref[i]->frame->
					is_long_term)) {
					if (p_Dpb->fs_ref[i]->frame_num >
						currSlice->frame_num) {
						p_Dpb->fs_ref[i]->
						frame_num_wrap =
						p_Dpb->fs_ref[i]->frame_num
							- max_frame_num;
					} else {
						p_Dpb->fs_ref[i]->
						frame_num_wrap =
						p_Dpb->fs_ref[i]->frame_num;
					}
					p_Dpb->fs_ref[i]->frame->pic_num =
					p_Dpb->fs_ref[i]->frame_num_wrap;
				}
			}
		}
		/* update long_term_pic_num */
		for (i = 0; i < p_Dpb->ltref_frames_in_buffer; i++) {
#ifdef ERROR_CHECK
			if (p_Dpb->fs_ltref[i] == NULL ||
				p_Dpb->fs_ltref[i]->frame == NULL) {
				p_H264_Dpb->dpb_error_flag = __LINE__;
				continue;
			}
#endif
			if (p_Dpb->fs_ltref[i]->is_used == 3) {
				if (p_Dpb->fs_ltref[i]->frame->is_long_term) {
					p_Dpb->fs_ltref[i]->frame->
						long_term_pic_num =
						p_Dpb->fs_ltref[i]->frame->
							long_term_frame_idx;
				}
			}
		}
	} else {
		if (currSlice->structure == TOP_FIELD) {
			add_top    = 1;
			add_bottom = 0;
		} else {
			add_top    = 0;
			add_bottom = 1;
		}

		for (i = 0; i < p_Dpb->ref_frames_in_buffer; i++) {
#ifdef ERROR_CHECK
			if (p_Dpb->fs_ref[i] == NULL) {
				p_H264_Dpb->dpb_error_flag = __LINE__;
				continue;
			}
#endif
			if (p_Dpb->fs_ref[i]->is_reference) {
				if (p_Dpb->fs_ref[i]->frame_num > currSlice->
					frame_num) {
					p_Dpb->fs_ref[i]->frame_num_wrap =
					p_Dpb->fs_ref[i]->frame_num -
					max_frame_num;
				} else {
					p_Dpb->fs_ref[i]->frame_num_wrap =
					p_Dpb->fs_ref[i]->frame_num;
				}
				if (p_Dpb->fs_ref[i]->is_reference & 1) {
#ifdef ERROR_CHECK
					if (p_Dpb->fs_ref[i]->top_field
						== NULL) {
						p_H264_Dpb->dpb_error_flag =
							__LINE__;
						continue;
					}
#endif
					p_Dpb->fs_ref[i]->top_field->
					pic_num = (2 * p_Dpb->fs_ref[i]->
						frame_num_wrap) + add_top;
				}
				if (p_Dpb->fs_ref[i]->is_reference & 2) {
#ifdef ERROR_CHECK
					if (p_Dpb->fs_ref[i]->bottom_field
						== NULL) {
						p_H264_Dpb->dpb_error_flag =
							__LINE__;
						continue;
					}
#endif
					p_Dpb->fs_ref[i]->bottom_field->
					pic_num = (2 * p_Dpb->fs_ref[i]->
						frame_num_wrap) + add_bottom;
				}
			}
		}
		/* update long_term_pic_num */
		for (i = 0; i < p_Dpb->ltref_frames_in_buffer; i++) {
#ifdef ERROR_CHECK
			if (p_Dpb->fs_ltref[i] == NULL) {
				p_H264_Dpb->dpb_error_flag = __LINE__;
				continue;
			}
#endif
			if (p_Dpb->fs_ltref[i]->is_long_term & 1) {
#ifdef ERROR_CHECK
				if (p_Dpb->fs_ltref[i]->top_field == NULL) {
					p_H264_Dpb->dpb_error_flag = __LINE__;
					continue;
				}
#endif
				p_Dpb->fs_ltref[i]->top_field->
					long_term_pic_num = 2 *
					p_Dpb->fs_ltref[i]->top_field->
					long_term_frame_idx + add_top;
			}
			if (p_Dpb->fs_ltref[i]->is_long_term & 2) {
#ifdef ERROR_CHECK
				if (p_Dpb->fs_ltref[i]->bottom_field == NULL) {
					p_H264_Dpb->dpb_error_flag = __LINE__;
					continue;
				}
#endif
				p_Dpb->fs_ltref[i]->bottom_field->
					long_term_pic_num = 2 *
					p_Dpb->fs_ltref[i]->bottom_field->
					long_term_frame_idx + add_bottom;
			}
		}
	}
}

static void remove_frame_from_dpb(struct h264_dpb_stru *p_H264_Dpb, int pos)
{
	struct DecodedPictureBuffer *p_Dpb = &p_H264_Dpb->mDPB;
	struct FrameStore *fs = p_Dpb->fs[pos];
	struct FrameStore *tmp;
	unsigned int i;

	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		"%s pos %d %p\n", __func__, pos, fs);

	/* dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
	 *	"remove frame with frame_num #%d\n", fs->frame_num);
	 */
	switch (fs->is_used) {
	case 3:
		free_picture(p_H264_Dpb, fs->frame);
		free_picture(p_H264_Dpb, fs->top_field);
		free_picture(p_H264_Dpb, fs->bottom_field);
		fs->frame = NULL;
		fs->top_field = NULL;
		fs->bottom_field = NULL;
		break;
	case 2:
		free_picture(p_H264_Dpb, fs->bottom_field);
		fs->bottom_field = NULL;
		break;
	case 1:
		free_picture(p_H264_Dpb, fs->top_field);
		fs->top_field = NULL;
		break;
	case 0:
		break;
	default:
		dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			  "invalid frame store type %x", 500);
	}
	fs->data_flag = 0;
	fs->is_used = 0;
	fs->is_long_term = 0;
	fs->is_reference = 0;
	fs->is_orig_reference = 0;
	fs->frame_size = 0;
	/* move empty framestore to end of buffer */
	tmp = p_Dpb->fs[pos];

	for (i = pos; i < p_Dpb->used_size - 1; i++)
		p_Dpb->fs[i] = p_Dpb->fs[i + 1];
	p_Dpb->fs[p_Dpb->used_size - 1] = tmp;

	if (p_Dpb->used_size)
		p_Dpb->used_size--;
}

int is_used_for_reference(struct FrameStore *fs)
{
	if (fs->is_reference)
		return 1;

	if (fs->is_used == 3) { /* frame */
		if (fs->frame->used_for_reference)
			return 1;
	}

	if (fs->is_used & 1) { /* top field */
		if (fs->top_field) {
			if (fs->top_field->used_for_reference)
				return 1;
		}
	}

	if (fs->is_used & 2) { /* bottom field */
		if (fs->bottom_field) {
			if (fs->bottom_field->used_for_reference)
				return 1;
		}
	}
	return 0;
}

static int remove_unused_frame_from_dpb(struct h264_dpb_stru *p_H264_Dpb)
{
	unsigned int i;
	struct DecodedPictureBuffer *p_Dpb = &p_H264_Dpb->mDPB;
	/* check for frames that were already output and no longer
	 *	used for reference
	 */
	for (i = 0; i < p_Dpb->used_size; i++) {
		if ((!is_used_for_reference(p_Dpb->fs[i])) &&
		    (p_Dpb->fs[i]->colocated_buf_index >= 0)) {
			dpb_print(p_H264_Dpb->decoder_index,
			PRINT_FLAG_DPB_DETAIL,
			"release_colocate_buf[%d] for fs[%d]\n",
			p_Dpb->fs[i]->colocated_buf_index, i);

			release_colocate_buf(p_H264_Dpb,
				p_Dpb->fs[i]->colocated_buf_index); /* rain */
			p_Dpb->fs[i]->colocated_buf_index = -1;
		}
	}

	for (i = 0; i < p_Dpb->used_size; i++) {
		if (p_Dpb->fs[i]->is_output &&
			(!is_used_for_reference(p_Dpb->fs[i]))) {
			release_buf_spec_num(p_H264_Dpb->vdec,
				p_Dpb->fs[i]->buf_spec_num);
			p_Dpb->fs[i]->buf_spec_num = -1;
			remove_frame_from_dpb(p_H264_Dpb, i);

			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL, "%s[%d]\n",
				__func__, i);

			return 1;
		}
	}
	return 0;
}

static int unmark_one_error_out_frame(struct h264_dpb_stru *p_H264_Dpb)
{
	int ret = 0;
	unsigned i;
	struct DecodedPictureBuffer *p_Dpb = &p_H264_Dpb->mDPB;

	for (i = 0; i < p_Dpb->used_size; i++) {
		if (p_Dpb->fs[i]->is_output &&
			((p_Dpb->fs[i]->data_flag & ERROR_FLAG) ||
			(p_Dpb->fs[i]->data_flag & NULL_FLAG))
			) {
			unmark_for_reference(p_Dpb, p_Dpb->fs[i]);

			ret = 1;
			break;
		}
	}
	return ret;
}

static int unmark_one_out_frame(struct h264_dpb_stru *p_H264_Dpb)
{
	int ret = 0;
	unsigned i;
	struct DecodedPictureBuffer *p_Dpb = &p_H264_Dpb->mDPB;

	for (i = 0; i < p_Dpb->used_size; i++) {
		if (p_Dpb->fs[i]->is_output) {
			unmark_for_reference(p_Dpb, p_Dpb->fs[i]);

			ret = 1;
		}
	}
	return ret;
}
/*
	force_flag,
		1, remove one error buf (is_out is 1) if there is no un-used buf
		2, remove one buf (is_out is 1) if there is no un-used buf
*/
void bufmgr_h264_remove_unused_frame(struct h264_dpb_stru *p_H264_Dpb,
	u8 force_flag)
{
	struct DecodedPictureBuffer *p_Dpb = &p_H264_Dpb->mDPB;
	int ret = 0;
	unsigned char removed_flag = 0;
	do {
		ret = remove_unused_frame_from_dpb(p_H264_Dpb);
		if (ret != 0)
			removed_flag = 1;
	} while (ret != 0);
	if (removed_flag) {
		dpb_print(p_H264_Dpb->decoder_index,
			PRINT_FLAG_DPB_DETAIL, "%s\r\n", __func__);
		dump_dpb(p_Dpb, 0);
	} else if (force_flag == 2) {
		if (unmark_one_out_frame(p_H264_Dpb)) {
			dpb_print(p_H264_Dpb->decoder_index,
				0, "%s, Warnning, force unmark one frame\r\n",
				__func__);
			update_ref_list(p_Dpb);
			remove_unused_frame_from_dpb(p_H264_Dpb);
			dump_dpb(p_Dpb, 0);
		}
	} else if (force_flag == 1) {
		if (unmark_one_error_out_frame(p_H264_Dpb)) {
			dpb_print(p_H264_Dpb->decoder_index,
				0, "%s, unmark error frame\r\n",
				__func__);
			update_ref_list(p_Dpb);
			remove_unused_frame_from_dpb(p_H264_Dpb);
			dump_dpb(p_Dpb, 0);
		}
	}
}

#ifdef OUTPUT_BUFFER_IN_C
int is_there_unused_frame_from_dpb(struct DecodedPictureBuffer *p_Dpb)
{
	unsigned int i;

	/* check for frames that were already output and no longer
	 * used for reference
	 */
	for (i = 0; i < p_Dpb->used_size; i++) {
		if (p_Dpb->fs[i]->is_output &&
			(!is_used_for_reference(p_Dpb->fs[i]))) {
			return 1;
		}
	}
	return 0;
}
#endif

static void get_smallest_poc(struct DecodedPictureBuffer *p_Dpb, int *poc,
			     int *pos)
{
	unsigned int i;
	unsigned long flags;
	struct h264_dpb_stru *p_H264_Dpb = container_of(p_Dpb,
				struct h264_dpb_stru, mDPB);
	struct vdec_s *vdec= (struct vdec_s *)p_H264_Dpb->vdec;
	void *p = vh264_get_bufspec_lock(vdec);
	dpb_print(p_H264_Dpb->decoder_index,
		PRINT_FLAG_DPB_DETAIL, "%s\n", __func__);
	if (p_Dpb->used_size < 1) {
		dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			  "Cannot determine smallest POC, DPB empty. %d\n",
			 150);
	}

	*pos = -1;
	*poc = INT_MAX;
	if (p == NULL)
		return;
	spin_lock_irqsave(p, flags);
	for (i = 0; i < p_Dpb->used_size; i++) {
#ifdef OUTPUT_BUFFER_IN_C
		/* rain */
		if ((*poc > p_Dpb->fs[i]->poc) &&
			(!p_Dpb->fs[i]->is_output) &&
			(!p_Dpb->fs[i]->pre_output)) {
#else
		if ((*poc > p_Dpb->fs[i]->poc) && (!p_Dpb->fs[i]->is_output)) {
#endif
			*poc = p_Dpb->fs[i]->poc;
			*pos = i;
		}
	}
	spin_unlock_irqrestore(p, flags);
}

int output_frames(struct h264_dpb_stru *p_H264_Dpb, unsigned char flush_flag)
{
	int poc, pos;
	struct DecodedPictureBuffer *p_Dpb = &p_H264_Dpb->mDPB;
	int i;
	int none_displayed_num = 0;
	unsigned char fast_output_flag = 0;

	/*
	 * When the sei data(dv data) after the PIC done and no flush,
	 * it is necessary to output a frame of data until
	 * the number of frames not displayed is greater than the reorder.
	 */
	if ((p_H264_Dpb->wait_aux_data_flag) && (!flush_flag)) {
		int no_output_num = 0;

		for (i = 0; i < p_Dpb->used_size; i++) {
			if ((!p_Dpb->fs[i]->is_output) &&
				(!p_Dpb->fs[i]->pre_output) &&
				((p_Dpb->fs[i]->is_used == 3) ||
				(p_Dpb->fs[i]->data_flag & ERROR_FLAG)))
				no_output_num++;
		}

		if (no_output_num <= p_H264_Dpb->reorder_output)
			return 0;
	}

	if (!flush_flag) {
		for (i = 0; i < p_Dpb->used_size; i++) {
			if ((!p_Dpb->fs[i]->is_output) &&
				(!p_Dpb->fs[i]->pre_output) &&((p_Dpb->fs[i]->is_used == 3
				||p_Dpb->fs[i]->data_flag & ERROR_FLAG )))  {
				none_displayed_num++;
				if ((p_H264_Dpb->first_insert_frame == FirstInsertFrm_IDLE ||
					p_H264_Dpb->first_insert_frame == FirstInsertFrm_RESET)
					&&  (p_Dpb->fs[i]->is_used == 3)
					&& (p_Dpb->last_output_poc == INT_MIN)) {
					if (p_H264_Dpb->first_insert_frame == FirstInsertFrm_IDLE)
						fast_output_flag = 1;
					p_H264_Dpb->first_insert_frame = FirstInsertFrm_OUT;
					p_H264_Dpb->first_output_poc = p_Dpb->fs[i]->poc;
					dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
						"%s first insert frame i %d  poc %d frame_num %x\n",
						__func__, i, p_Dpb->fs[i]->poc,  p_Dpb->fs[i]->frame_num);
				}

				/*check poc even/odd*/
				if (p_H264_Dpb->poc_even_odd_flag == 0 &&
					p_H264_Dpb->decode_pic_count >= 3)
					p_H264_Dpb->poc_even_odd_flag = 2;
				if (p_Dpb->fs[i]->poc & 0x1)
					p_H264_Dpb->poc_even_odd_flag = 1;
				/**/

				if ((p_H264_Dpb->fast_output_enable & 0x1) &&
					(p_Dpb->fs[i]->data_flag & IDR_FLAG))
					fast_output_flag = 1;
				if ((p_H264_Dpb->fast_output_enable & 0x2) &&
					((p_Dpb->fs[i]->poc -
						p_Dpb->last_output_poc)
					== 1))
					fast_output_flag = 1;
				if ((p_H264_Dpb->fast_output_enable & 0x4) &&
					(p_H264_Dpb->poc_even_odd_flag == 2) &&
					 (p_Dpb->fs[i]->is_used == 3) &&
					((p_Dpb->fs[i]->poc -
						p_Dpb->last_output_poc)
					== 2))
					fast_output_flag = 1;
			}
		}
		if (fast_output_flag)
			;
		else if (none_displayed_num <
			p_H264_Dpb->reorder_output)
			return 0;
	}

	get_smallest_poc(p_Dpb, &poc, &pos);

	if (pos == -1)
		return 0;
#if 0
	if (is_used_for_reference(p_Dpb->fs[pos]))
		return 0;
#endif
	if (p_H264_Dpb->first_insert_frame == FirstInsertFrm_OUT) {
		dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			"%s pos %d pos->poc %d  first_output_poc %d \n",
			__func__, pos, p_Dpb->fs[pos]->poc, p_H264_Dpb->first_output_poc);

		if (p_Dpb->fs[pos]->poc < p_H264_Dpb->first_output_poc)
			p_Dpb->fs[pos]->data_flag |= NODISP_FLAG;
		else if (p_Dpb->last_output_poc != INT_MIN)
			p_H264_Dpb->first_insert_frame = FirstInsertFrm_SKIPDONE;

		dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			"%s first_insert_frame %d \n", __func__, p_H264_Dpb->first_insert_frame);
	}
	if (prepare_display_buf(p_H264_Dpb->vdec, p_Dpb->fs[pos]) >= 0) {
		if (!p_H264_Dpb->without_display_mode &&
				p_Dpb->fs[pos]->show_frame != false)
			p_Dpb->fs[pos]->pre_output = 1;
	} else {
		if (h264_debug_flag & PRINT_FLAG_DPB_DETAIL) {
			dpb_print(p_H264_Dpb->decoder_index, 0,
			"%s[%d] poc:%d last_output_poc:%d poc_even_odd_flag:%d\n",
			__func__, pos, poc,
			p_Dpb->last_output_poc,
			p_H264_Dpb->poc_even_odd_flag);
			dump_dpb(p_Dpb, 1);
		}
		return 0;
	}
	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		"%s[%d] poc %d last_output_poc %d poc_even_odd_flag %d\n",
		__func__, pos, poc,
		p_Dpb->last_output_poc,
		p_H264_Dpb->poc_even_odd_flag);

	p_Dpb->last_output_poc = poc;
	return 1;

}


void flush_dpb(struct h264_dpb_stru *p_H264_Dpb)
{
	/* struct VideoParameters *p_Vid = p_Dpb->p_Vid; */
	struct DecodedPictureBuffer *p_Dpb = &p_H264_Dpb->mDPB;
	unsigned int i;

	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		"%s\n", __func__);

	/* diagnostics */
	/* dpb_print(p_H264_Dpb->decoder_index,
	 *PRINT_FLAG_DPB_DETAIL,
	 *"Flush remaining frames from the dpb."
	 *"p_Dpb->size = %d, p_Dpb->used_size = %d\n",
	 *p_Dpb->size, p_Dpb->used_size);
	 */

	if (!p_Dpb->init_done)
		return;
/*  if(p_Vid->conceal_mode == 0) */
#if 0
/* ??? */
	if (p_Vid->conceal_mode != 0)
		conceal_non_ref_pics(p_Dpb, 0);
#endif
	/* mark all frames unused */
	for (i = 0; i < p_Dpb->used_size; i++) {
#if MVC_EXTENSION_ENABLE
		assert(p_Dpb->fs[i]->view_id == p_Dpb->layer_id);
#endif
		unmark_for_reference(p_Dpb, p_Dpb->fs[i]);

	}

	while (remove_unused_frame_from_dpb(p_H264_Dpb))
		;

	/* output frames in POC order */
	while (output_frames(p_H264_Dpb, 1))
		;


	p_Dpb->last_output_poc = INT_MIN;
}

static int is_short_term_reference(struct DecodedPictureBuffer *p_Dpb,
				   struct FrameStore *fs)
{
	struct h264_dpb_stru *p_H264_Dpb = container_of(p_Dpb,
			struct h264_dpb_stru, mDPB);
	if (fs->is_used == 3) { /* frame */
		if ((fs->frame->used_for_reference) &&
			(!fs->frame->is_long_term)) {
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL, "[[%s 1]]",
				__func__);
			return 1;
		}
	}

	if (fs->is_used & 1) { /* top field */
		if (fs->top_field) {
			if ((fs->top_field->used_for_reference) &&
				(!fs->top_field->is_long_term)) {
				dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL, "[[%s 2]]",
				__func__);
				return 1;
			}
		}
	}

	if (fs->is_used & 2) { /* bottom field */
		if (fs->bottom_field) {
			if ((fs->bottom_field->used_for_reference) &&
			    (!fs->bottom_field->is_long_term)) {
				dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL, "[[%s 3]]",
				__func__);
				return 1;
			}
		}
	}
	return 0;
}

static int is_long_term_reference(struct FrameStore *fs)
{

	if (fs->is_used == 3) { /* frame */
		if ((fs->frame->used_for_reference) &&
			(fs->frame->is_long_term)) {
			return 1;
		}
	}

	if (fs->is_used & 1) { /* top field */
		if (fs->top_field) {
			if ((fs->top_field->used_for_reference) &&
				(fs->top_field->is_long_term)) {
				return 1;
			}
		}
	}

	if (fs->is_used & 2) { /* bottom field */
		if (fs->bottom_field) {
			if ((fs->bottom_field->used_for_reference) &&
			    (fs->bottom_field->is_long_term)) {
				return 1;
			}
		}
	}
	return 0;
}

void update_ref_list(struct DecodedPictureBuffer *p_Dpb)
{
	unsigned int i, j;

	struct h264_dpb_stru *p_H264_Dpb = container_of(p_Dpb,
		struct h264_dpb_stru, mDPB);
	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		"%s (%d, %d)\n", __func__, p_Dpb->size, p_Dpb->used_size);
	for (i = 0, j = 0; i < p_Dpb->used_size; i++) {
#if 1
		dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			  "fs[%d]: fs %p frame %p is_reference %d %d %d\n",
			  i, p_Dpb->fs[i], p_Dpb->fs[i]->frame,
			  p_Dpb->fs[i]->frame != NULL ?
			  p_Dpb->fs[i]->frame->used_for_reference : 0,
			  p_Dpb->fs[i]->top_field != NULL ?
			  p_Dpb->fs[i]->top_field->used_for_reference :
			  0,
			  p_Dpb->fs[i]->bottom_field != NULL ?
			  p_Dpb->fs[i]->bottom_field->used_for_reference : 0);
#endif
		if (is_short_term_reference(p_Dpb, p_Dpb->fs[i])) {
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL,
			"fs_ref[%d]=fs[%d]: fs %p\n", j, i, p_Dpb->fs[i]);
			p_Dpb->fs_ref[j++] = p_Dpb->fs[i];
		}
	}

	p_Dpb->ref_frames_in_buffer = j;
	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		"%s dpb size is %d, %d\n", __func__, p_Dpb->size, j);
	while (j < p_Dpb->size) {
		/* dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		 *"fs_ref[%d]=null\n", j);
		 */
		p_Dpb->fs_ref[j++] = NULL;
	}
#ifdef ERROR_CHECK
	for (i = 0; i < DPB_SIZE_MAX; i++) {
		if (p_Dpb->fs_ref[i] == NULL)
			p_Dpb->fs_ref[i] = &dummy_fs;
	}
#endif
}

static void update_ltref_list(struct DecodedPictureBuffer *p_Dpb)
{
	unsigned int i, j;
	struct h264_dpb_stru *p_H264_Dpb = container_of(p_Dpb,
		struct h264_dpb_stru, mDPB);

	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		"%s\n", __func__);
	for (i = 0, j = 0; i < p_Dpb->used_size; i++) {
		if (is_long_term_reference(p_Dpb->fs[i]))
			p_Dpb->fs_ltref[j++] = p_Dpb->fs[i];
	}

	p_Dpb->ltref_frames_in_buffer = j;

	while (j < p_Dpb->size)
		p_Dpb->fs_ltref[j++] = NULL;
#ifdef ERROR_CHECK
	for (i = 0; i < DPB_SIZE_MAX; i++) {
		if (p_Dpb->fs_ltref[i] == NULL)
			p_Dpb->fs_ltref[i] = &dummy_fs;
	}
#endif
}

static void idr_memory_management(struct h264_dpb_stru *p_H264_Dpb,
				  struct StorablePicture *p)
{
	struct DecodedPictureBuffer *p_Dpb = &p_H264_Dpb->mDPB;

	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
	"%s ref_frames_in_buffer %d ltref_frames_in_buffer %d\n",
	__func__, p_Dpb->ref_frames_in_buffer,
	p_Dpb->ltref_frames_in_buffer);


	if (p->no_output_of_prior_pics_flag) {
		int i;
		for (i = 0; i < p_Dpb->used_size; i++) {
			unmark_for_reference(p_Dpb, p_Dpb->fs[i]);
			if (p_Dpb->fs[i]->is_long_term)
				unmark_for_long_term_reference(p_Dpb->fs[i]);
			if (!p_Dpb->fs[i]->is_output && !p_Dpb->fs[i]->pre_output)
				set_frame_output_flag(p_H264_Dpb, i);
		}
#if 0
		/*???*/
		/* free all stored pictures */
		int i;

		for (i = 0; i < p_Dpb->used_size; i++) {
			/* reset all reference settings
			 * free_frame_store(p_Dpb->fs[i]);
			 * p_Dpb->fs[i] = alloc_frame_store();
			 */
			reset_frame_store(p_H264_Dpb, p_Dpb->fs[i]); /* ??? */
		}
		for (i = 0; i < p_Dpb->ref_frames_in_buffer; i++)
			p_Dpb->fs_ref[i] = NULL;
		for (i = 0; i < p_Dpb->ltref_frames_in_buffer; i++)
			p_Dpb->fs_ltref[i] = NULL;
		p_Dpb->used_size = 0;
#endif
	} else {
		flush_dpb(p_H264_Dpb);
	}
	p_Dpb->last_picture = NULL;

	update_ref_list(p_Dpb);
	update_ltref_list(p_Dpb);
	p_Dpb->last_output_poc = INT_MIN;

	if (p->long_term_reference_flag) {
		p_Dpb->max_long_term_pic_idx = 0;
		p->is_long_term           = 1;
		p->long_term_frame_idx    = 0;
	} else {
		p_Dpb->max_long_term_pic_idx = -1;
		p->is_long_term           = 0;
	}

#if (MVC_EXTENSION_ENABLE)
	p_Dpb->last_output_view_id = -1;
#endif

}

static void sliding_window_memory_management(
		struct DecodedPictureBuffer *p_Dpb,
		struct StorablePicture *p)
{
	unsigned int i;
	struct h264_dpb_stru *p_H264_Dpb = container_of(p_Dpb,
		struct h264_dpb_stru, mDPB);
	unsigned char slide_flag = 0;
	unsigned int sliding_margin = imax(
		1, p_Dpb->num_ref_frames) - p_Dpb->ltref_frames_in_buffer;
	/* assert (!p->idr_flag); */
	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
	"%s ref_frames_in_buffer %d ltref_frames_in_buffer %d\n",
	__func__, p_Dpb->ref_frames_in_buffer,
	p_Dpb->ltref_frames_in_buffer);
	/* if this is a reference pic with sliding window,
	   unmark first ref frame */
	if (p_Dpb->ref_frames_in_buffer == sliding_margin)
		slide_flag = 1;
	/*else if ((h264_error_proc_policy & 0x8) &&
		(p_Dpb->ref_frames_in_buffer > sliding_margin))
		slide_flag = 1;*/

	if (slide_flag) {
		for (i = 0; i < p_Dpb->used_size; i++) {
			if (p_Dpb->fs[i]->is_reference &&
				(!(p_Dpb->fs[i]->is_long_term))) {
				dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL, "unmark %d\n", i);
				unmark_for_reference(p_Dpb, p_Dpb->fs[i]);
				update_ref_list(p_Dpb);
				break;
			}
		}
	}

	p->is_long_term = 0;
}

static void check_num_ref(struct DecodedPictureBuffer *p_Dpb)
{
	if ((int)(p_Dpb->ltref_frames_in_buffer +
			p_Dpb->ref_frames_in_buffer) >
			imax(1, p_Dpb->num_ref_frames)) {
		struct h264_dpb_stru *p_H264_Dpb = container_of(p_Dpb,
					 struct h264_dpb_stru, mDPB);
		dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			  "Max. number of reference frames exceeded. Invalid stream. lt %d ref %d mum_ref %d\n",
			  p_Dpb->ltref_frames_in_buffer,
			  p_Dpb->ref_frames_in_buffer,
			  p_Dpb->num_ref_frames);
	}
}

void dump_dpb(struct DecodedPictureBuffer *p_Dpb, u8 force)
{
	unsigned int i;
	unsigned char *buf = NULL;
	unsigned int buf_size = 512, len = 0;
	struct h264_dpb_stru *p_H264_Dpb =
		container_of(p_Dpb, struct h264_dpb_stru, mDPB);

#define DPB_STRCAT(args...)  do {	\
		len += snprintf(buf + len,	\
			buf_size - len, ##args);\
	} while (0)

	if ((h264_debug_flag & PRINT_FLAG_DUMP_DPB) == 0 &&
		force == 0)
		return;

	buf = kzalloc(buf_size, GFP_ATOMIC);
	if (buf == NULL)
		return;

	for (i = 0; i < p_Dpb->used_size; i++) {
		len = 0;
		memset(buf, 0, buf_size);
		DPB_STRCAT("fn=%d  is_used %d ",
			p_Dpb->fs[i]->frame_num,
			p_Dpb->fs[i]->is_used);

		if (p_Dpb->fs[i]->is_used & 1) {
			if (p_Dpb->fs[i]->top_field)
				DPB_STRCAT("T: poc=%d  pic_num=%d ",
				p_Dpb->fs[i]->top_field->poc,
				p_Dpb->fs[i]->top_field->pic_num);
			else
				DPB_STRCAT("T: poc=%d  ",
				p_Dpb->fs[i]->frame->top_poc);
		}
		if (p_Dpb->fs[i]->is_used & 2) {
			if (p_Dpb->fs[i]->bottom_field)
				DPB_STRCAT("B: poc=%d  pic_num=%d ",
				p_Dpb->fs[i]->bottom_field->poc,
				p_Dpb->fs[i]->bottom_field->pic_num);
			else
				DPB_STRCAT("B: poc=%d  ",
				p_Dpb->fs[i]->frame->bottom_poc);
		}
		if (p_Dpb->fs[i]->is_used == 3) {
			if (p_Dpb->fs[i]->frame != NULL)
				DPB_STRCAT("F: poc=%d pic_num=%d ",
				p_Dpb->fs[i]->frame->poc,
				p_Dpb->fs[i]->frame->pic_num);
			else
				DPB_STRCAT("fs[%d] frame is null ", i);
		}
		DPB_STRCAT("G: poc=%d)  ", p_Dpb->fs[i]->poc);
		if (p_Dpb->fs[i]->is_reference)
			DPB_STRCAT("ref (%d) ", p_Dpb->fs[i]->is_reference);
		if (p_Dpb->fs[i]->is_long_term)
			DPB_STRCAT("lt_ref (%d) ", p_Dpb->fs[i]->is_reference);
		if (p_Dpb->fs[i]->is_output)
			DPB_STRCAT("out(displayed)  ");
		if (p_Dpb->fs[i]->pre_output)
			DPB_STRCAT("pre_output(in dispq or displaying)  ");
		if (p_Dpb->fs[i]->is_used == 3) {
			if (p_Dpb->fs[i]->frame != NULL && p_Dpb->fs[i]->frame->non_existing)
				DPB_STRCAT("non_existing  ");
			else
				DPB_STRCAT("fs[%d] frame is null ", i);
		}
		DPB_STRCAT("dpb_frame_count %d  ",
			p_Dpb->fs[i]->dpb_frame_count);

#if (MVC_EXTENSION_ENABLE)
		if (p_Dpb->fs[i]->is_reference)
			DPB_STRCAT("view_id (%d) ", p_Dpb->fs[i]->view_id);
#endif
		if (p_Dpb->fs[i]->data_flag) {
			DPB_STRCAT("data_flag(0x%x)",
			p_Dpb->fs[i]->data_flag);
		}
		DPB_STRCAT(" bufspec %d\n",
			p_Dpb->fs[i]->buf_spec_num);
		dpb_print(p_H264_Dpb->decoder_index, 0, "%s", buf);
	}

	kfree(buf);
}

/*!
 ************************************************************************
 * \brief
 *    adaptive memory management
 *
 ************************************************************************
 */

static int get_pic_num_x(struct StorablePicture *p,
			 int difference_of_pic_nums_minus1)
{
	int currPicNum;

	if (p->structure == FRAME)
		currPicNum = p->frame_num;
	else
		currPicNum = 2 * p->frame_num + 1;

	return currPicNum - (difference_of_pic_nums_minus1 + 1);
}

/*!
 ************************************************************************
 * \brief
 *    Adaptive Memory Management: Mark short term picture unused
 ************************************************************************
 */
static void mm_unmark_short_term_for_reference(struct DecodedPictureBuffer
		*p_Dpb, struct StorablePicture *p,
		int difference_of_pic_nums_minus1)
{
	struct h264_dpb_stru *p_H264_Dpb =
		container_of(p_Dpb, struct h264_dpb_stru, mDPB);
	int picNumX;

	unsigned int i;

	picNumX = get_pic_num_x(p, difference_of_pic_nums_minus1);

	for (i = 0; i < p_Dpb->ref_frames_in_buffer; i++) {
#ifdef ERROR_CHECK
		if (p_Dpb->fs_ref[i] == NULL) {
			p_H264_Dpb->dpb_error_flag = __LINE__;
			continue;
		}
#endif
		if (p->structure == FRAME) {
			if ((p_Dpb->fs_ref[i]->is_reference == 3) &&
			    (p_Dpb->fs_ref[i]->is_long_term == 0)) {
#ifdef ERROR_CHECK
				if (p_Dpb->fs_ref[i]->frame == NULL) {
					p_H264_Dpb->dpb_error_flag = __LINE__;
					continue;
				}
#endif
				if (p_Dpb->fs_ref[i]->frame->pic_num ==
					picNumX) {
					unmark_for_reference(p_Dpb,
						p_Dpb->fs_ref[i]);
					return;
				}
			}
		} else {
			if ((p_Dpb->fs_ref[i]->is_reference & 1) &&
			    (!(p_Dpb->fs_ref[i]->is_long_term & 1))) {
#ifdef ERROR_CHECK
				if (p_Dpb->fs_ref[i]->top_field == NULL) {
					p_H264_Dpb->dpb_error_flag = __LINE__;
					continue;
				}
#endif
				if (p_Dpb->fs_ref[i]->top_field->pic_num ==
					picNumX) {
					p_Dpb->fs_ref[i]->
					top_field->used_for_reference = 0;
					p_Dpb->fs_ref[i]->is_reference &= 2;
					if ((p_Dpb->fs_ref[i]->is_used == 3)
#ifdef ERROR_CHECK
						&& p_Dpb->fs_ref[i]->frame
#endif
					) {
						p_Dpb->fs_ref[i]->frame->
							used_for_reference = 0;
					}
					return;
				}
			}
			if ((p_Dpb->fs_ref[i]->is_reference & 2) &&
			    (!(p_Dpb->fs_ref[i]->is_long_term & 2))) {
#ifdef ERROR_CHECK
				if (p_Dpb->fs_ref[i]->bottom_field == NULL) {
					p_H264_Dpb->dpb_error_flag = __LINE__;
					continue;
				}
#endif
				if (p_Dpb->fs_ref[i]->bottom_field->pic_num ==
					picNumX) {
					p_Dpb->fs_ref[i]->bottom_field->
					used_for_reference = 0;
					p_Dpb->fs_ref[i]->is_reference &= 1;
					if ((p_Dpb->fs_ref[i]->is_used == 3)
#ifdef ERROR_CHECK
						&& p_Dpb->fs_ref[i]->frame
#endif
						) {
						p_Dpb->fs_ref[i]->frame->
						used_for_reference = 0;
					}
					return;
				}
			}
		}
	}
}

/*!
 ************************************************************************
 * \brief
 *    Adaptive Memory Management: Mark long term picture unused
 ************************************************************************
 */
static void mm_unmark_long_term_for_reference(struct DecodedPictureBuffer
		*p_Dpb, struct StorablePicture *p, int long_term_pic_num)
{
	unsigned int i;

	for (i = 0; i < p_Dpb->ltref_frames_in_buffer; i++) {
		if (p->structure == FRAME) {
			if ((p_Dpb->fs_ltref[i]->is_reference == 3) &&
			    (p_Dpb->fs_ltref[i]->is_long_term == 3)) {
				if (p_Dpb->fs_ltref[i]->frame->
					long_term_pic_num ==
					long_term_pic_num) {
					unmark_for_long_term_reference(
						p_Dpb->fs_ltref[i]);
				}
			}
		} else {
			if ((p_Dpb->fs_ltref[i]->is_reference & 1) &&
			    ((p_Dpb->fs_ltref[i]->is_long_term & 1))) {
				if (p_Dpb->fs_ltref[i]->top_field->
					long_term_pic_num ==
					long_term_pic_num) {
					p_Dpb->fs_ltref[i]->top_field->
						used_for_reference = 0;
					p_Dpb->fs_ltref[i]->top_field->
						is_long_term = 0;
					p_Dpb->fs_ltref[i]->is_reference &= 2;
					p_Dpb->fs_ltref[i]->is_long_term &= 2;
					if (p_Dpb->fs_ltref[i]->is_used == 3) {
						p_Dpb->fs_ltref[i]->frame->
							used_for_reference = 0;
						p_Dpb->fs_ltref[i]->frame->
							is_long_term = 0;
					}
					return;
				}
			}
			if ((p_Dpb->fs_ltref[i]->is_reference & 2) &&
			    ((p_Dpb->fs_ltref[i]->is_long_term & 2))) {
				if (p_Dpb->fs_ltref[i]->bottom_field->
					long_term_pic_num ==
					long_term_pic_num) {
					p_Dpb->fs_ltref[i]->bottom_field->
						used_for_reference = 0;
					p_Dpb->fs_ltref[i]->bottom_field->
						is_long_term = 0;
					p_Dpb->fs_ltref[i]->is_reference &= 1;
					p_Dpb->fs_ltref[i]->is_long_term &= 1;
					if (p_Dpb->fs_ltref[i]->is_used == 3) {
						p_Dpb->fs_ltref[i]->frame->
							used_for_reference = 0;
						p_Dpb->fs_ltref[i]->frame->
							is_long_term = 0;
					}
					return;
				}
			}
		}
	}
}


/*!
 ************************************************************************
 * \brief
 *    Mark a long-term reference frame or complementary
 *    field pair unused for referemce
 ************************************************************************
 */
static void unmark_long_term_frame_for_reference_by_frame_idx(
	struct DecodedPictureBuffer *p_Dpb, int long_term_frame_idx)
{
	unsigned int i;

	for (i = 0; i < p_Dpb->ltref_frames_in_buffer; i++) {
		if (p_Dpb->fs_ltref[i]->long_term_frame_idx ==
			long_term_frame_idx)
			unmark_for_long_term_reference(p_Dpb->fs_ltref[i]);
	}
}


static void unmark1(struct DecodedPictureBuffer *p_Dpb,
	unsigned int curr_frame_num, int i)
{
	if (p_Dpb->last_picture) {
		/*if ((p_Dpb->last_picture != p_Dpb->fs_ltref[i]) ||
			p_Dpb->last_picture->frame_num != curr_frame_num) {*/
			unmark_for_long_term_reference(p_Dpb->fs_ltref[i]);
		/*} else {
			unmark_for_long_term_reference(p_Dpb->fs_ltref[i]);
		}*/
	}
}

static void unmark2(struct DecodedPictureBuffer *p_Dpb,
	int curr_pic_num, int i)
{
	if ((p_Dpb->fs_ltref[i]->frame_num) !=
		(unsigned int)(curr_pic_num >> 1))
		unmark_for_long_term_reference(p_Dpb->fs_ltref[i]);
}

static void unmark3_top(struct DecodedPictureBuffer *p_Dpb,
	unsigned int curr_frame_num, int curr_pic_num, int mark_current, int i)
{
	if (p_Dpb->fs_ltref[i]->is_long_term == 3) {
		unmark_for_long_term_reference(p_Dpb->fs_ltref[i]);
	} else {
		if (p_Dpb->fs_ltref[i]->is_long_term == 1) {
			unmark_for_long_term_reference(p_Dpb->fs_ltref[i]);
		} else {
			if (mark_current)
				unmark1(p_Dpb, curr_frame_num, i);
			else
				unmark2(p_Dpb, curr_pic_num, i);
		}
	}
}

static void unmark3_bottom(struct DecodedPictureBuffer *p_Dpb,
	unsigned int curr_frame_num, int curr_pic_num, int mark_current, int i)
{
	if (p_Dpb->fs_ltref[i]->is_long_term == 2) {
		unmark_for_long_term_reference(p_Dpb->fs_ltref[i]);
	} else {
		if (mark_current)
			unmark1(p_Dpb, curr_frame_num, i);
		else
			unmark2(p_Dpb, curr_pic_num, i);
	}
}

static void unmark_long_term_field_for_reference_by_frame_idx(
	struct DecodedPictureBuffer *p_Dpb, enum PictureStructure structure,
	int long_term_frame_idx, int mark_current, unsigned int curr_frame_num,
	int curr_pic_num)
{
	struct VideoParameters *p_Vid = p_Dpb->p_Vid;
	unsigned int i;

	/* assert(structure!=FRAME); */
	if (curr_pic_num < 0)
		curr_pic_num += (2 * p_Vid->max_frame_num);

	for (i = 0; i < p_Dpb->ltref_frames_in_buffer; i++) {
		if (p_Dpb->fs_ltref[i]->long_term_frame_idx ==
			long_term_frame_idx) {
			if (structure == TOP_FIELD)
				unmark3_top(p_Dpb, curr_frame_num,
					curr_pic_num, mark_current, i);

			if (structure == BOTTOM_FIELD)
				unmark3_bottom(p_Dpb, curr_frame_num,
					curr_pic_num, mark_current, i);
		}
	}
}

/*!
 ************************************************************************
 * \brief
 *    mark a picture as long-term reference
 ************************************************************************
 */
static void mark_pic_long_term(struct DecodedPictureBuffer *p_Dpb,
			       struct StorablePicture *p,
			       int long_term_frame_idx, int picNumX)
{
	struct h264_dpb_stru *p_H264_Dpb = container_of(p_Dpb,
				struct h264_dpb_stru, mDPB);
	unsigned int i;
	int add_top, add_bottom;

	if (p->structure == FRAME) {
		for (i = 0; i < p_Dpb->ref_frames_in_buffer; i++) {
#ifdef ERROR_CHECK
			if (p_Dpb->fs_ref[i] == NULL) {
				p_H264_Dpb->dpb_error_flag = __LINE__;
				continue;
			}
#endif
			if (p_Dpb->fs_ref[i]->is_reference == 3) {
#ifdef ERROR_CHECK
				if (p_Dpb->fs_ref[i]->frame == NULL) {
					p_H264_Dpb->dpb_error_flag = __LINE__;
					continue;
				}
#endif
				if ((!p_Dpb->fs_ref[i]->frame->
					is_long_term) &&
				    (p_Dpb->fs_ref[i]->frame->pic_num ==
					picNumX)) {
					p_Dpb->fs_ref[i]->
						long_term_frame_idx =
					p_Dpb->fs_ref[i]->frame->
						long_term_frame_idx =
						long_term_frame_idx;
					p_Dpb->fs_ref[i]->frame->
						long_term_pic_num =
						long_term_frame_idx;
					p_Dpb->fs_ref[i]->frame->
						is_long_term = 1;

					if (p_Dpb->fs_ref[i]->top_field &&
					    p_Dpb->fs_ref[i]->bottom_field) {
						p_Dpb->fs_ref[i]->top_field->
						long_term_frame_idx =
							p_Dpb->fs_ref[i]->
							bottom_field->
							long_term_frame_idx =
							long_term_frame_idx;
						p_Dpb->fs_ref[i]->top_field->
							long_term_pic_num =
							long_term_frame_idx;
						p_Dpb->fs_ref[i]->
							bottom_field->
							long_term_pic_num =
							long_term_frame_idx;

						p_Dpb->fs_ref[i]->top_field->
							is_long_term =
							p_Dpb->fs_ref[i]->
							bottom_field->
							is_long_term
							= 1;

					}
					p_Dpb->fs_ref[i]->is_long_term = 3;
					return;
				}
			}
		}
		dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			  "Warning: reference frame for long term marking not found\n");
	} else {
		if (p->structure == TOP_FIELD) {
			add_top    = 1;
			add_bottom = 0;
		} else {
			add_top    = 0;
			add_bottom = 1;
		}
		for (i = 0; i < p_Dpb->ref_frames_in_buffer; i++) {
#ifdef ERROR_CHECK
			if (p_Dpb->fs_ref[i] == NULL) {
				p_H264_Dpb->dpb_error_flag = __LINE__;
				continue;
			}
#endif
			if (p_Dpb->fs_ref[i]->is_reference & 1) {
#ifdef ERROR_CHECK
				if (p_Dpb->fs_ref[i]->top_field == NULL) {
					p_H264_Dpb->dpb_error_flag = __LINE__;
					continue;
				}
#endif
				if ((!p_Dpb->fs_ref[i]->top_field->
					is_long_term) &&
				    (p_Dpb->fs_ref[i]->top_field->pic_num ==
					picNumX)) {
					if ((p_Dpb->fs_ref[i]->
						is_long_term) &&
					    (p_Dpb->fs_ref[i]->
						long_term_frame_idx !=
						long_term_frame_idx)) {
						dpb_print(p_H264_Dpb->
						decoder_index,
						PRINT_FLAG_DPB_DETAIL,
						"Warning: assigning long_term_frame_idx different from other field\n");
					}

					p_Dpb->fs_ref[i]->
						long_term_frame_idx =
						p_Dpb->fs_ref[i]->top_field->
						long_term_frame_idx
						= long_term_frame_idx;
					p_Dpb->fs_ref[i]->top_field->
						long_term_pic_num =
						2 * long_term_frame_idx +
						add_top;
					p_Dpb->fs_ref[i]->top_field->
						is_long_term = 1;
					p_Dpb->fs_ref[i]->is_long_term |= 1;
					if ((p_Dpb->fs_ref[i]->is_long_term
						== 3)
#ifdef ERROR_CHECK
						&& p_Dpb->fs_ref[i]->frame
#endif
						) {
						p_Dpb->fs_ref[i]->frame->
							is_long_term = 1;
						p_Dpb->fs_ref[i]->frame->
							long_term_frame_idx =
							p_Dpb->fs_ref[i]->
							frame->
							long_term_pic_num =
							long_term_frame_idx;
					}
					return;
				}
			}
			if (p_Dpb->fs_ref[i]->is_reference & 2) {
#ifdef ERROR_CHECK
				if (p_Dpb->fs_ref[i]->bottom_field == NULL) {
					p_H264_Dpb->dpb_error_flag = __LINE__;
					continue;
				}
#endif
				if ((!p_Dpb->fs_ref[i]->bottom_field->
					is_long_term) &&
				    (p_Dpb->fs_ref[i]->bottom_field->pic_num
					== picNumX)) {
					if ((p_Dpb->fs_ref[i]->
						is_long_term) &&
					    (p_Dpb->fs_ref[i]->
						long_term_frame_idx !=
						long_term_frame_idx)) {
						dpb_print(p_H264_Dpb->
						decoder_index,
						PRINT_FLAG_DPB_DETAIL,
						"Warning: assigning long_term_frame_idx different from other field\n");
					}

					p_Dpb->fs_ref[i]->
						long_term_frame_idx =
						p_Dpb->fs_ref[i]->bottom_field
						->long_term_frame_idx
						= long_term_frame_idx;
					p_Dpb->fs_ref[i]->bottom_field->
						long_term_pic_num = 2 *
						long_term_frame_idx +
						add_bottom;
					p_Dpb->fs_ref[i]->bottom_field->
						is_long_term = 1;
					p_Dpb->fs_ref[i]->is_long_term |= 2;
					if ((p_Dpb->fs_ref[i]->
						is_long_term == 3)
#ifdef ERROR_CHECK
						&& p_Dpb->fs_ref[i]->frame
#endif
						) {
						p_Dpb->fs_ref[i]->frame->
							is_long_term = 1;
						p_Dpb->fs_ref[i]->frame->
							long_term_frame_idx =
							p_Dpb->fs_ref[i]->
							frame->
							long_term_pic_num =
							long_term_frame_idx;
					}
					return;
				}
			}
		}
		dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			  "Warning: reference field for long term marking not found\n");
	}
}


/*!
 ************************************************************************
 * \brief
 *    Assign a long term frame index to a short term picture
 ************************************************************************
 */
static void mm_assign_long_term_frame_idx(struct DecodedPictureBuffer *p_Dpb,
		struct StorablePicture *p, int difference_of_pic_nums_minus1,
		int long_term_frame_idx)
{
	struct h264_dpb_stru *p_H264_Dpb = container_of(p_Dpb,
			struct h264_dpb_stru, mDPB);
	int picNumX = get_pic_num_x(p, difference_of_pic_nums_minus1);

	/* remove frames/fields with same long_term_frame_idx */
	if (p->structure == FRAME) {
		unmark_long_term_frame_for_reference_by_frame_idx(p_Dpb,
				long_term_frame_idx);
	} else {
		unsigned int i;
		enum PictureStructure structure = FRAME;

		for (i = 0; i < p_Dpb->ref_frames_in_buffer; i++) {
#ifdef ERROR_CHECK
			if (p_Dpb->fs_ref[i] == NULL) {
				p_H264_Dpb->dpb_error_flag = __LINE__;
				continue;
			}
#endif
			if (p_Dpb->fs_ref[i]->is_reference & 1) {
#ifdef ERROR_CHECK
				if (p_Dpb->fs_ref[i]->top_field == NULL) {
					p_H264_Dpb->dpb_error_flag = __LINE__;
					continue;
				}
#endif
				if (p_Dpb->fs_ref[i]->top_field->
					pic_num == picNumX) {
					structure = TOP_FIELD;
					break;
				}
			}
			if (p_Dpb->fs_ref[i]->is_reference & 2) {
#ifdef ERROR_CHECK
				if (p_Dpb->fs_ref[i]->bottom_field == NULL) {
					p_H264_Dpb->dpb_error_flag = __LINE__;
					continue;
				}
#endif
				if (p_Dpb->fs_ref[i]->bottom_field->
					pic_num == picNumX) {
					structure = BOTTOM_FIELD;
					break;
				}
			}
		}
		if (structure == FRAME) {
			dpb_print(p_H264_Dpb->decoder_index,
				  PRINT_FLAG_DPB_DETAIL,
				  "field for long term marking not found %d",
				  200);
		}

		unmark_long_term_field_for_reference_by_frame_idx(p_Dpb,
				structure,
				long_term_frame_idx, 0, 0, picNumX);
	}

	mark_pic_long_term(p_Dpb, p, long_term_frame_idx, picNumX);
}

/*!
 ************************************************************************
 * \brief
 *    Set new max long_term_frame_idx
 ************************************************************************
 */
static void mm_update_max_long_term_frame_idx(struct DecodedPictureBuffer
		*p_Dpb, int max_long_term_frame_idx_plus1)
{
	unsigned int i;

	p_Dpb->max_long_term_pic_idx = max_long_term_frame_idx_plus1 - 1;

	/* check for invalid frames */
	for (i = 0; i < p_Dpb->ltref_frames_in_buffer; i++) {
		if (p_Dpb->fs_ltref[i]->long_term_frame_idx >
			p_Dpb->max_long_term_pic_idx) {
			unmark_for_long_term_reference(p_Dpb->fs_ltref[i]);
		}
	}
}


/*!
 ************************************************************************
 * \brief
 *    Mark all long term reference pictures unused for reference
 ************************************************************************
 */
static void mm_unmark_all_long_term_for_reference(struct DecodedPictureBuffer
		*p_Dpb)
{
	mm_update_max_long_term_frame_idx(p_Dpb, 0);
}

/*!
 ************************************************************************
 * \brief
 *    Mark all short term reference pictures unused for reference
 ************************************************************************
 */
static void mm_unmark_all_short_term_for_reference(struct DecodedPictureBuffer
		*p_Dpb)
{
	unsigned int i;

	for (i = 0; i < p_Dpb->ref_frames_in_buffer; i++)
		unmark_for_reference(p_Dpb, p_Dpb->fs_ref[i]);
	update_ref_list(p_Dpb);
}


/*!
 ************************************************************************
 * \brief
 *    Mark the current picture used for long term reference
 ************************************************************************
 */
static void mm_mark_current_picture_long_term(struct DecodedPictureBuffer
		*p_Dpb, struct StorablePicture *p, int long_term_frame_idx)
{
	/* remove long term pictures with same long_term_frame_idx */
	if (p->structure == FRAME) {
		unmark_long_term_frame_for_reference_by_frame_idx(p_Dpb,
				long_term_frame_idx);
	} else {
		unmark_long_term_field_for_reference_by_frame_idx(p_Dpb,
				p->structure, long_term_frame_idx,
				1, p->pic_num, 0);
	}

	p->is_long_term = 1;
	p->long_term_frame_idx = long_term_frame_idx;
}

static void adaptive_memory_management(struct h264_dpb_stru *p_H264_Dpb,
				       struct StorablePicture *p)
{
	struct DecodedPictureBuffer *p_Dpb = &p_H264_Dpb->mDPB;
	struct DecRefPicMarking_s *tmp_drpm;
	struct VideoParameters *p_Vid = p_Dpb->p_Vid;

	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
				"%s\n", __func__);
	p_Vid->last_has_mmco_5 = 0;

	/* assert (!p->idr_flag); */
	/* assert (p->adaptive_ref_pic_buffering_flag); */

	while (p->dec_ref_pic_marking_buffer) {
		tmp_drpm = p->dec_ref_pic_marking_buffer;
		switch (tmp_drpm->memory_management_control_operation) {
		case 0:
			if (tmp_drpm->Next != NULL)
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_ERROR,
					"error, memory_management_control_operation = 0 not last operation in buffer\n");
			break;
		case 1:
			mm_unmark_short_term_for_reference(p_Dpb, p,
				tmp_drpm->difference_of_pic_nums_minus1);
			update_ref_list(p_Dpb);
			break;
		case 2:
			mm_unmark_long_term_for_reference(p_Dpb, p,
				tmp_drpm->long_term_pic_num);
			update_ltref_list(p_Dpb);
			break;
		case 3:
			mm_assign_long_term_frame_idx(p_Dpb, p,
				tmp_drpm->difference_of_pic_nums_minus1,
				tmp_drpm->long_term_frame_idx);
			update_ref_list(p_Dpb);
			update_ltref_list(p_Dpb);
			break;
		case 4:
			mm_update_max_long_term_frame_idx(p_Dpb,
				tmp_drpm->max_long_term_frame_idx_plus1);
			update_ltref_list(p_Dpb);
			break;
		case 5:
			mm_unmark_all_short_term_for_reference(p_Dpb);
			mm_unmark_all_long_term_for_reference(p_Dpb);
			p_Vid->last_has_mmco_5 = 1;
			break;
		case 6:
			mm_mark_current_picture_long_term(p_Dpb, p,
				tmp_drpm->long_term_frame_idx);
			check_num_ref(p_Dpb);
			break;
		default:
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_ERROR,
				"error, invalid memory_management_control_operation in buffer\n");
		}
		p->dec_ref_pic_marking_buffer = tmp_drpm->Next;
		/* free (tmp_drpm); */
	}
	if (p_Vid->last_has_mmco_5) {
		p->pic_num = p->frame_num = 0;

		switch (p->structure) {
		case TOP_FIELD: {
			/* p->poc = p->top_poc = p_Vid->toppoc =0; */
			p->poc = p->top_poc = 0;
			break;
		}
		case BOTTOM_FIELD: {
			/* p->poc = p->bottom_poc = p_Vid->bottompoc = 0; */
			p->poc = p->bottom_poc = 0;
			break;
		}
		case FRAME: {
			p->top_poc    -= p->poc;
			p->bottom_poc -= p->poc;

			/* p_Vid->toppoc = p->top_poc; */
			/* p_Vid->bottompoc = p->bottom_poc; */

			p->poc = imin(p->top_poc, p->bottom_poc);
			/* p_Vid->framepoc = p->poc; */
			break;
		}
		}
		/* currSlice->ThisPOC = p->poc; */
#if (MVC_EXTENSION_ENABLE)
		if (p->view_id == 0) {
			flush_dpb(p_Vid->p_Dpb_layer[0]);
			flush_dpb(p_Vid->p_Dpb_layer[1]);
		} else {
			flush_dpb(p_Dpb);
		}
#else
		flush_dpb(p_H264_Dpb);
#endif
	}
}


int store_picture_in_dpb(struct h264_dpb_stru *p_H264_Dpb,
			  struct StorablePicture *p,
			  unsigned char data_flag)
{
	/* struct VideoParameters *p_Vid = p_Dpb->p_Vid; */
	struct VideoParameters *p_Vid = &p_H264_Dpb->mVideo;
	struct DecodedPictureBuffer *p_Dpb = &p_H264_Dpb->mDPB;
	unsigned int i, frame_outside_count = 0;
#if 0
	int poc, pos;
#endif
	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		"%s p_Vid %p\n", __func__, p_Vid);

	/* picture error concealment */

	/* diagnostics */
	/* dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
	 *	"Storing (%s) non-ref pic with frame_num #%d\n",
	 *	(p->type == FRAME)?"FRAME":(p->type == TOP_FIELD)?
	 *	"TOP_FIELD":"BOTTOM_FIELD", p->pic_num);
	 */
	/* if frame, check for new store, */
	/* assert (p!=NULL); */

	p_Vid->last_has_mmco_5 = 0;
	p_Vid->last_pic_bottom_field = (p->structure == BOTTOM_FIELD);
	if (p->idr_flag) {
		idr_memory_management(p_H264_Dpb, p);
		if (p_H264_Dpb->first_insert_frame == FirstInsertFrm_OUT)
			p_H264_Dpb->first_insert_frame = FirstInsertFrm_SKIPDONE;
#if 0
/* ??? */
		/* picture error concealment */
		memset(p_Vid->pocs_in_dpb, 0, sizeof(int) * 100);
#endif
	} else {
#if 1
/* ??? */
		/* adaptive memory management */
		if (p->used_for_reference &&
			(p->adaptive_ref_pic_buffering_flag))
			adaptive_memory_management(p_H264_Dpb, p);
#endif
	}

	if ((p->structure == TOP_FIELD) || (p->structure == BOTTOM_FIELD)) {
		/* check for frame store with same pic_number */
		if (p_Dpb->last_picture) {
			if ((int)p_Dpb->last_picture->frame_num ==
				p->pic_num) {
				if (((p->structure == TOP_FIELD) &&
				    (p_Dpb->last_picture->is_used == 2)) ||
				    ((p->structure == BOTTOM_FIELD) &&
				    (p_Dpb->last_picture->is_used == 1))) {
					if ((p->used_for_reference &&
					    (p_Dpb->last_picture->
						is_orig_reference != 0)) ||
					    (!p->used_for_reference &&
						(p_Dpb->last_picture->
						is_orig_reference == 0))) {
						insert_picture_in_dpb(
							p_H264_Dpb,
							p_Dpb->last_picture,
							p, data_flag);
						update_ref_list(p_Dpb);
						update_ltref_list(p_Dpb);
						dump_dpb(p_Dpb, 0);
						p_Dpb->last_picture = NULL;
						return 0;
					}
				}
			}
		}
	}
	/* this is a frame or a field which has no stored
	 * complementary field
	 */

	/* sliding window, if necessary */
	if ((!p->idr_flag) && (p->used_for_reference &&
			       (!p->adaptive_ref_pic_buffering_flag))) {
		sliding_window_memory_management(p_Dpb, p);
	}

	/* picture error concealment */
	if (p_Vid->conceal_mode != 0) {
		for (i = 0; i < p_Dpb->size; i++)
			if (p_Dpb->fs[i]->is_reference)
				p_Dpb->fs[i]->concealment_reference = 1;
	}

	while (remove_unused_frame_from_dpb(p_H264_Dpb))
		;

	while (output_frames(p_H264_Dpb, 0))
		;

	/* check for duplicate frame number in short term reference buffer */
	if ((p->used_for_reference) && (!p->is_long_term)) {
		for (i = 0; i < p_Dpb->ref_frames_in_buffer; i++) {
#ifdef ERROR_CHECK
			if (p_Dpb->fs_ref[i] == NULL)
				continue;
#endif
			if (p_Dpb->fs_ref[i]->frame_num == p->frame_num) {
				dpb_print(p_H264_Dpb->decoder_index,
					  PRINT_FLAG_DPB_DETAIL,
					  "duplicate frame_num in short-term reference picture buffer %d\n",
					   500);
				if (p_Dpb->fs_ref[i]->dpb_frame_count == p_H264_Dpb->dpb_frame_count) {
					dpb_print(p_H264_Dpb->decoder_index,
							  0, "duplicate frame, no insert to dpb\n");
					return -2;
				} else {
					dpb_print(p_H264_Dpb->decoder_index,
						  0, "duplicate frame_num release defore ref\n");
					unmark_for_reference(p_Dpb, p_Dpb->fs_ref[i]);
					update_ref_list(p_Dpb);
				}
			}
		}
	}
	/* store at end of buffer */

	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		  "%s p_Dpb->used_size %d\n", __func__, p_Dpb->used_size);
	if (p_Dpb->used_size >= p_Dpb->size) {
		dpb_print(p_H264_Dpb->decoder_index,
			PRINT_FLAG_ERROR,
			"%s Error: used_sizd %d is large than dpb size\r\n",
			__func__, p_Dpb->used_size);
		/*h264_debug_flag |= PRINT_FLAG_DUMP_DPB;*/
		dump_dpb(p_Dpb, 0);
		return -1;
	}

	insert_picture_in_dpb(p_H264_Dpb, p_Dpb->fs[p_Dpb->used_size],
		p, data_flag);

	/* picture error concealment */
	if (p->idr_flag)
		p_Vid->earlier_missing_poc = 0;

	if (p->structure != FRAME)
		p_Dpb->last_picture = p_Dpb->fs[p_Dpb->used_size];
	else
		p_Dpb->last_picture = NULL;

	p_Dpb->used_size++;
#if 0
/* ??? */
	if (p_Vid->conceal_mode != 0)
		p_Vid->pocs_in_dpb[p_Dpb->used_size - 1] = p->poc;
#endif
	update_ref_list(p_Dpb);
	update_ltref_list(p_Dpb);

	check_num_ref(p_Dpb);
	for (i = 0; i < p_Dpb->used_size; i++) {
		if (p_Dpb->fs[i]->pre_output)
			frame_outside_count++;
	}

	if (p_H264_Dpb->fast_output_enable == H264_OUTPUT_MODE_FAST)
		i = 1;
	else
		i = 0;

	if (i || (p_H264_Dpb->first_insert_frame < FirstInsertFrm_SKIPDONE)) {
		while (output_frames(p_H264_Dpb, i))
			;
	}

	dump_dpb(p_Dpb, 0);
	p_Dpb->first_pic_done = 1; /*by rain*/

	return 0;
}

void bufmgr_post(struct h264_dpb_stru *p_H264_Dpb)
{
	/*VideoParameters *p_Vid = p_Dpb->p_Vid;*/
	struct VideoParameters *p_Vid = &p_H264_Dpb->mVideo;

	if (p_Vid->last_has_mmco_5)
		p_Vid->pre_frame_num = 0;
}
/**********************************
 *
 *   Initialize reference lists
 **********************************
 */
#define __COMPARE(context, p1, p2) comp(p1, p2)
#define __SHORTSORT(lo, hi, width, comp, context) \
	shortsort(lo, hi, width, comp)
#define CUTOFF 8            /* testing shows that this is good value */
#define STKSIZ (8*sizeof(void *) - 2)

#undef swap
static void swap(
	char *a,
	char *b,
	size_t width
)
{
	char tmp;

	if (a != b)
		/* Do the swap one character at a time to avoid potential
		 *   alignment problems.
		 */
		while (width--) {
			tmp = *a;
			*a++ = *b;
			*b++ = tmp;
		}
}

static void shortsort(
	char *lo,
	char *hi,
	size_t width,
	int (*comp)(const void *, const void *)
)
{
	char *p, *max;

	/* Note: in assertions below, i and j are alway inside original
	 *   bound of array to sort.
	 */

	while (hi > lo) {
		/* A[i] <= A[j] for i <= j, j > hi */
		max = lo;
		for (p = lo + width; p <= hi; p += width) {
			/* A[i] <= A[max] for lo <= i < p */
			if (__COMPARE(context, p, max) > 0)
				max = p;
			/* A[i] <= A[max] for lo <= i <= p */
		}

		/* A[i] <= A[max] for lo <= i <= hi */

		swap(max, hi, width);

		/* A[i] <= A[hi] for i <= hi, so A[i] <= A[j] for i <= j,
		 *   j >= hi
		 */

		hi -= width;

		/* A[i] <= A[j] for i <= j, j > hi, loop top condition
		 *   established
		 */
	}
	/* A[i] <= A[j] for i <= j, j > lo, which implies A[i] <= A[j]
	 *   for i < j, so array is sorted
	 */
}

static void qsort(
	void *base,
	size_t num,
	size_t width,
	int (*comp)(const void *, const void *)
)
{
	char *lo, *hi;              /* ends of sub-array currently sorting */
	char *mid;                  /* points to middle of subarray */
	char *loguy, *higuy;        /* traveling pointers for partition step */
	size_t size;                /* size of the sub-array */
	char *lostk[STKSIZ], *histk[STKSIZ];
	int stkptr;

/*  stack for saving sub-array to be
 *					processed
 */
#if 0
	/* validation section */
	_VALIDATE_RETURN_VOID(base != NULL || num == 0, EINVAL);
	_VALIDATE_RETURN_VOID(width > 0, EINVAL);
	_VALIDATE_RETURN_VOID(comp != NULL, EINVAL);
#endif
	if (num < 2)
		return;                 /* nothing to do */

	stkptr = 0;                 /* initialize stack */

	lo = (char *)base;
	hi = (char *)base + width * (num - 1);      /* initialize limits */

	/* this entry point is for pseudo-recursion calling: setting
	 * lo and hi and jumping to here is like recursion, but stkptr is
	 * preserved, locals aren't, so we preserve stuff on the stack
	 */
recurse:

	size = (hi - lo) / width + 1;        /* number of el's to sort */

	/* below a certain size, it is faster to use a O(n^2) sorting method */
	if (size <= CUTOFF) {
		__SHORTSORT(lo, hi, width, comp, context);
	} else {
		/* First we pick a partitioning element.  The efficiency of
		 * the algorithm demands that we find one that is approximately
		 * the median of the values, but also that we select one fast.
		 * We choose the median of the first, middle, and last
		 * elements, to avoid bad performance in the face of already
		 * sorted data, or data that is made up of multiple sorted
		 * runs appended together.  Testing shows that a
		 * median-of-three algorithm provides better performance than
		 * simply picking the middle element for the latter case.
		 */

		mid = lo + (size / 2) * width;      /* find middle element */

		/* Sort the first, middle, last elements into order */
		if (__COMPARE(context, lo, mid) > 0)
			swap(lo, mid, width);
		if (__COMPARE(context, lo, hi) > 0)
			swap(lo, hi, width);
		if (__COMPARE(context, mid, hi) > 0)
			swap(mid, hi, width);

		/* We now wish to partition the array into three pieces, one
		 * consisting of elements <= partition element, one of elements
		 * equal to the partition element, and one of elements > than
		 * it. This is done below; comments indicate conditions
		 * established at every step.
		 */

		loguy = lo;
		higuy = hi;

		/* Note that higuy decreases and loguy increases on every
		 *   iteration, so loop must terminate.
		 */
		for (;;) {
			/* lo <= loguy < hi, lo < higuy <= hi,
			 *   A[i] <= A[mid] for lo <= i <= loguy,
			 *   A[i] > A[mid] for higuy <= i < hi,
			 *   A[hi] >= A[mid]
			 */

			/* The doubled loop is to avoid calling comp(mid,mid),
			 *   since some existing comparison funcs don't work
			 *   when passed the same value for both pointers.
			 */

			if (mid > loguy) {
				do  {
					loguy += width;
				} while (loguy < mid &&
					__COMPARE(context, loguy, mid) <= 0);
			}
			if (mid <= loguy) {
				do  {
					loguy += width;
				} while (loguy <= hi &&
					__COMPARE(context, loguy, mid) <= 0);
			}

			/* lo < loguy <= hi+1, A[i] <= A[mid] for
			 *   lo <= i < loguy,
			 *   either loguy > hi or A[loguy] > A[mid]
			 */

			do  {
				higuy -= width;
			} while (higuy > mid &&
					__COMPARE(context, higuy, mid) > 0);

			/* lo <= higuy < hi, A[i] > A[mid] for higuy < i < hi,
			 *   either higuy == lo or A[higuy] <= A[mid]
			 */

			if (higuy < loguy)
				break;

			/* if loguy > hi or higuy == lo, then we would have
			 *   exited, so A[loguy] > A[mid], A[higuy] <= A[mid],
			 *   loguy <= hi, higuy > lo
			 */

			swap(loguy, higuy, width);

			/* If the partition element was moved, follow it.
			 *   Only need to check for mid == higuy, since before
			 *   the swap, A[loguy] > A[mid] implies loguy != mid.
			 */

			if (mid == higuy)
				mid = loguy;

			/* A[loguy] <= A[mid], A[higuy] > A[mid]; so condition
			 *   at top of loop is re-established
			 */
		}

		/*     A[i] <= A[mid] for lo <= i < loguy,
		 *       A[i] > A[mid] for higuy < i < hi,
		 *       A[hi] >= A[mid]
		 *       higuy < loguy
		 *   implying:
		 *       higuy == loguy-1
		 *       or higuy == hi - 1, loguy == hi + 1, A[hi] == A[mid]
		 */

		/* Find adjacent elements equal to the partition element.  The
		 *   doubled loop is to avoid calling comp(mid,mid), since some
		 *   existing comparison funcs don't work when passed the same
		 *   value for both pointers.
		 */

		higuy += width;
		if (mid < higuy) {
			do  {
				higuy -= width;
			} while (higuy > mid &&
				__COMPARE(context, higuy, mid) == 0);
		}
		if (mid >= higuy) {
			do  {
				higuy -= width;
			} while (higuy > lo &&
				__COMPARE(context, higuy, mid) == 0);
		}

		/* OK, now we have the following:
		 *      higuy < loguy
		 *      lo <= higuy <= hi
		 *      A[i]  <= A[mid] for lo <= i <= higuy
		 *      A[i]  == A[mid] for higuy < i < loguy
		 *      A[i]  >  A[mid] for loguy <= i < hi
		 *      A[hi] >= A[mid]
		 */

		/* We've finished the partition, now we want to sort the
		 *   subarrays [lo, higuy] and [loguy, hi].
		 *   We do the smaller one first to minimize stack usage.
		 *   We only sort arrays of length 2 or more.
		 */

		if (higuy - lo >= hi - loguy) {
			if (lo < higuy) {
				lostk[stkptr] = lo;
				histk[stkptr] = higuy;
				++stkptr;
			}                    /* save big recursion for later */

			if (loguy < hi) {
				lo = loguy;
				goto recurse;          /* do small recursion */
			}
		} else {
			if (loguy < hi) {
				lostk[stkptr] = loguy;
				histk[stkptr] = hi;
				++stkptr;    /* save big recursion for later */
			}

			if (lo < higuy) {
				hi = higuy;
				goto recurse;          /* do small recursion */
			}
		}
	}

	/* We have sorted the array, except for any pending sorts on the stack.
	 *   Check if there are any, and do them.
	 */

	--stkptr;
	if (stkptr >= 0) {
		lo = lostk[stkptr];
		hi = histk[stkptr];
		goto recurse;           /* pop subarray from stack */
	} else
		return;                 /* all subarrays done */
}

/*!
 ************************************************************************
 * \brief
 *    compares two stored pictures by picture number for qsort in
 *    descending order
 *
 ************************************************************************
 */
static inline int compare_pic_by_pic_num_desc(const void *arg1,
		const void *arg2)
{
	int pic_num1 = (*(struct StorablePicture **)arg1)->pic_num;
	int pic_num2 = (*(struct StorablePicture **)arg2)->pic_num;

	if (pic_num1 < pic_num2)
		return 1;
	if (pic_num1 > pic_num2)
		return -1;
	else
		return 0;
}

/*!
 ************************************************************************
 * \brief
 *    compares two stored pictures by picture number for qsort in
 *    descending order
 *
 ************************************************************************
 */
static inline int compare_pic_by_lt_pic_num_asc(const void *arg1,
		const void *arg2)
{
	int long_term_pic_num1 =
		(*(struct StorablePicture **)arg1)->long_term_pic_num;
	int long_term_pic_num2 =
		(*(struct StorablePicture **)arg2)->long_term_pic_num;

	if (long_term_pic_num1 < long_term_pic_num2)
		return -1;
	if (long_term_pic_num1 > long_term_pic_num2)
		return 1;
	else
		return 0;
}

/*!
 ************************************************************************
 * \brief
 *    compares two frame stores by pic_num for qsort in descending order
 *
 ************************************************************************
 */
static inline int compare_fs_by_frame_num_desc(const void *arg1,
		const void *arg2)
{
	int frame_num_wrap1 = (*(struct FrameStore **)arg1)->frame_num_wrap;
	int frame_num_wrap2 = (*(struct FrameStore **)arg2)->frame_num_wrap;

	if (frame_num_wrap1 < frame_num_wrap2)
		return 1;
	if (frame_num_wrap1 > frame_num_wrap2)
		return -1;
	else
		return 0;
}


/*!
 ************************************************************************
 * \brief
 *    compares two frame stores by lt_pic_num for qsort in descending order
 *
 ************************************************************************
 */
static inline int compare_fs_by_lt_pic_idx_asc(const void *arg1,
		const void *arg2)
{
	int long_term_frame_idx1 =
		(*(struct FrameStore **)arg1)->long_term_frame_idx;
	int long_term_frame_idx2 =
		(*(struct FrameStore **)arg2)->long_term_frame_idx;

	if (long_term_frame_idx1 < long_term_frame_idx2)
		return -1;
	else if (long_term_frame_idx1 > long_term_frame_idx2)
		return 1;
	else
		return 0;
}


/*!
 ************************************************************************
 * \brief
 *    compares two stored pictures by poc for qsort in ascending order
 *
 ************************************************************************
 */
static inline int compare_pic_by_poc_asc(const void *arg1, const void *arg2)
{
	int poc1 = (*(struct StorablePicture **)arg1)->poc;
	int poc2 = (*(struct StorablePicture **)arg2)->poc;

	if (poc1 < poc2)
		return -1;
	else if (poc1 > poc2)
		return 1;
	else
		return 0;
}


/*!
 ************************************************************************
 * \brief
 *    compares two stored pictures by poc for qsort in descending order
 *
 ************************************************************************
 */
static inline int compare_pic_by_poc_desc(const void *arg1, const void *arg2)
{
	int poc1 = (*(struct StorablePicture **)arg1)->poc;
	int poc2 = (*(struct StorablePicture **)arg2)->poc;

	if (poc1 < poc2)
		return 1;
	else if (poc1 > poc2)
		return -1;
	else
		return 0;
}


/*!
 ************************************************************************
 * \brief
 *    compares two frame stores by poc for qsort in ascending order
 *
 ************************************************************************
 */
static inline int compare_fs_by_poc_asc(const void *arg1, const void *arg2)
{
	int poc1 = (*(struct FrameStore **)arg1)->poc;
	int poc2 = (*(struct FrameStore **)arg2)->poc;

	if (poc1 < poc2)
		return -1;
	else if (poc1 > poc2)
		return 1;
	else
		return 0;
}


/*!
 ************************************************************************
 * \brief
 *    compares two frame stores by poc for qsort in descending order
 *
 ************************************************************************
 */
static inline int compare_fs_by_poc_desc(const void *arg1, const void *arg2)
{
	int poc1 = (*(struct FrameStore **)arg1)->poc;
	int poc2 = (*(struct FrameStore **)arg2)->poc;

	if (poc1 < poc2)
		return 1;
	else if (poc1 > poc2)
		return -1;
	else
		return 0;
}

/*!
 ************************************************************************
 * \brief
 *    returns true, if picture is short term reference picture
 *
 ************************************************************************
 */
static inline int is_short_ref(struct StorablePicture *s)
{
#ifdef ERROR_CHECK
	return (s &&
		(s->used_for_reference) && (!(s->is_long_term)));
#else
	return (s->used_for_reference) && (!(s->is_long_term));
#endif
}


/*!
 ************************************************************************
 * \brief
 *    returns true, if picture is long term reference picture
 *
 ************************************************************************
 */
static inline int is_long_ref(struct StorablePicture *s)
{
#ifdef ERROR_CHECK
	return (s &&
		s->used_for_reference) && (s->is_long_term);
#else
	return (s->used_for_reference) && (s->is_long_term);
#endif
}

/*!
 ************************************************************************
 * \brief
 *    Initialize reference lists for a P Slice
 *
 ************************************************************************
 */
/*!
 ************************************************************************
 * \brief
 *    Generates a alternating field list from a given FrameStore list
 *
 ************************************************************************
 */
static void gen_pic_list_from_frame_list(enum PictureStructure currStructure,
		struct FrameStore **fs_list, int list_idx,
		struct StorablePicture **list,
		char *list_size, int long_term)
{
	int top_idx = 0;
	int bot_idx = 0;

	int (*is_ref)(struct StorablePicture *s) = (long_term) ? is_long_ref :
			is_short_ref;


	if (currStructure == TOP_FIELD) {
		while ((top_idx < list_idx) || (bot_idx < list_idx)) {
			for (; top_idx < list_idx; top_idx++) {
				if (fs_list[top_idx]->is_used & 1) {
					if (is_ref(fs_list[top_idx]->
						top_field)) {
						/* short term ref pic */
						list[(short) *list_size] =
						fs_list[top_idx]->top_field;
						(*list_size)++;
						top_idx++;
						break;
					}
				}
			}
			for (; bot_idx < list_idx; bot_idx++) {
				if (fs_list[bot_idx]->is_used & 2) {
					if (is_ref(fs_list[bot_idx]->
						bottom_field)) {
						/* short term ref pic */
						list[(short) *list_size] =
						fs_list[bot_idx]->bottom_field;
						(*list_size)++;
						bot_idx++;
						break;
					}
				}
			}
		}
	}
	if (currStructure == BOTTOM_FIELD) {
		while ((top_idx < list_idx) || (bot_idx < list_idx)) {
			for (; bot_idx < list_idx; bot_idx++) {
				if (fs_list[bot_idx]->is_used & 2) {
					if (is_ref(fs_list[bot_idx]->
						bottom_field)) {
						/* short term ref pic */
						list[(short) *list_size] =
						fs_list[bot_idx]->bottom_field;
						(*list_size)++;
						bot_idx++;
						break;
					}
				}
			}
			for (; top_idx < list_idx; top_idx++) {
				if (fs_list[top_idx]->is_used & 1) {
					if (is_ref(fs_list[top_idx]->
						top_field)) {
						/* short term ref pic */
						list[(short) *list_size] =
						fs_list[top_idx]->top_field;
						(*list_size)++;
						top_idx++;
						break;
					}
				}
			}
		}
	}
}

static void init_lists_p_slice(struct Slice *currSlice)
{
	struct VideoParameters *p_Vid = currSlice->p_Vid;
	struct DecodedPictureBuffer *p_Dpb = currSlice->p_Dpb;
	struct h264_dpb_stru *p_H264_Dpb = container_of(p_Dpb,
				struct h264_dpb_stru, mDPB);

	unsigned int i;

	int list0idx = 0;
	int listltidx = 0;

	struct FrameStore **fs_list0;
	struct FrameStore **fs_listlt;

#if (MVC_EXTENSION_ENABLE)
	currSlice->listinterviewidx0 = 0;
	currSlice->listinterviewidx1 = 0;
#endif

	if (currSlice->structure == FRAME) {
		for (i = 0; i < p_Dpb->ref_frames_in_buffer; i++) {
#ifdef ERROR_CHECK
			if (p_Dpb->fs_ref[i] == NULL ||
				p_Dpb->fs_ref[i]->frame == NULL) {
				p_H264_Dpb->dpb_error_flag = __LINE__;
				continue;
			}
#endif
			if (p_Dpb->fs_ref[i]->is_used == 3) {
				if ((p_Dpb->fs_ref[i]->frame->
					used_for_reference) &&
				    (!p_Dpb->fs_ref[i]->frame->
					is_long_term)) {
					currSlice->listX[0][list0idx++] =
					p_Dpb->fs_ref[i]->frame;
				}
			}
		}
		/* order list 0 by PicNum */
		qsort((void *)currSlice->listX[0], list0idx,
			sizeof(struct StorablePicture *),
			compare_pic_by_pic_num_desc);
		currSlice->listXsize[0] = (char) list0idx;
		CHECK_VALID(currSlice->listXsize[0], 0);
		if (h264_debug_flag & PRINT_FLAG_DPB_DETAIL) {
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL,
				  "listX[0] (PicNum): ");
			for (i = 0; i < list0idx; i++) {
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL, "%d  ",
					currSlice->listX[0][i]->pic_num);
			}
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL, "\n");
		}
		/* long term handling */
		for (i = 0; i < p_Dpb->ltref_frames_in_buffer; i++) {
			if (p_Dpb->fs_ltref[i]->is_used == 3) {
				if (p_Dpb->fs_ltref[i]->frame->is_long_term) {
					currSlice->listX[0][list0idx++] =
						p_Dpb->fs_ltref[i]->frame;
				}
			}
		}
		qsort((void *)&currSlice->listX[0][
			(short) currSlice->listXsize[0]],
			list0idx - currSlice->listXsize[0],
			sizeof(struct StorablePicture *),
			compare_pic_by_lt_pic_num_asc);
		currSlice->listXsize[0] = (char) list0idx;
		CHECK_VALID(currSlice->listXsize[0], 0);
	} else {
#if 0
		fs_list0 = calloc(p_Dpb->size, sizeof(struct FrameStore *));
		if (fs_list0 == NULL)
			no_mem_exit("init_lists: fs_list0");
		fs_listlt = calloc(p_Dpb->size, sizeof(struct FrameStore *));
		if (fs_listlt == NULL)
			no_mem_exit("init_lists: fs_listlt");
#else
		fs_list0 = &(p_Dpb->fs_list0[0]);
		fs_listlt = &(p_Dpb->fs_listlt[0]);
#endif
		for (i = 0; i < p_Dpb->ref_frames_in_buffer; i++) {
#ifdef ERROR_CHECK
			if (p_Dpb->fs_ref[i] == NULL) {
				p_H264_Dpb->dpb_error_flag = __LINE__;
				continue;
			}
#endif
			if (p_Dpb->fs_ref[i]->is_reference)
				fs_list0[list0idx++] = p_Dpb->fs_ref[i];
		}

		qsort((void *)fs_list0, list0idx, sizeof(struct FrameStore *),
		      compare_fs_by_frame_num_desc);

		dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			  "fs_list0 (FrameNum): ");
		for (i = 0; i < list0idx; i++) {
			dpb_print(p_H264_Dpb->decoder_index,
				  PRINT_FLAG_DPB_DETAIL, "%d  ",
				  fs_list0[i]->frame_num_wrap);
		}
		dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			  "\n");

		currSlice->listXsize[0] = 0;
		gen_pic_list_from_frame_list(currSlice->structure, fs_list0,
						list0idx, currSlice->listX[0],
						&currSlice->listXsize[0], 0);

		dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			  "listX[0] (PicNum): ");
		for (i = 0; i < currSlice->listXsize[0]; i++) {
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL, "%d  ",
				currSlice->listX[0][i]->pic_num);
		}
		dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			  "\n");

		/* long term handling */
		for (i = 0; i < p_Dpb->ltref_frames_in_buffer; i++)
			fs_listlt[listltidx++] = p_Dpb->fs_ltref[i];

		qsort((void *)fs_listlt, listltidx, sizeof(struct FrameStore *),
		      compare_fs_by_lt_pic_idx_asc);

		gen_pic_list_from_frame_list(currSlice->structure, fs_listlt,
					listltidx, currSlice->listX[0],
					&currSlice->listXsize[0], 1);

		/* free(fs_list0); */
		/* free(fs_listlt); */
	}
	currSlice->listXsize[1] = 0;


	/* set max size */
	currSlice->listXsize[0] = (char) imin(currSlice->listXsize[0],
			currSlice->num_ref_idx_active[LIST_0]);
	currSlice->listXsize[1] = (char) imin(currSlice->listXsize[1],
			currSlice->num_ref_idx_active[LIST_1]);
	CHECK_VALID(currSlice->listXsize[0], 0);
	CHECK_VALID(currSlice->listXsize[1], 1);

	/* set the unused list entries to NULL */
	for (i = currSlice->listXsize[0]; i < (MAX_LIST_SIZE); i++)
		currSlice->listX[0][i] = p_Vid->no_reference_picture;
	for (i = currSlice->listXsize[1]; i < (MAX_LIST_SIZE); i++)
		currSlice->listX[1][i] = p_Vid->no_reference_picture;

#if PRINTREFLIST
#if (MVC_EXTENSION_ENABLE)
	/* print out for h264_debug_flag purpose */
	if ((p_Vid->profile_idc == MVC_HIGH ||
		p_Vid->profile_idc == STEREO_HIGH) &&
	    currSlice->current_slice_nr == 0) {
		if (currSlice->listXsize[0] > 0) {
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL, "\n");
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL,
				  " ** (CurViewID:%d %d) %s Ref Pic List 0 ****\n",
				currSlice->view_id,
				currSlice->ThisPOC,
				currSlice->structure == FRAME ? "FRM" :
				  (currSlice->structure == TOP_FIELD ?
					"TOP" : "BOT"));
			for (i = 0; i < (unsigned int)(currSlice->
				listXsize[0]); i++) { /* ref list 0 */
				dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL,
				"   %2d -> POC: %4d PicNum: %4d ViewID: %d\n",
				i,
				currSlice->listX[0][i]->poc,
				currSlice->listX[0][i]->pic_num,
				currSlice->listX[0][i]->view_id);
			}
		}
	}
#endif
#endif
}


/*!
 ************************************************************************
 * \brief
 *    Initialize reference lists
 *
 ************************************************************************
 */
static void init_mbaff_lists(struct h264_dpb_stru *p_H264_Dpb,
			     struct Slice *currSlice)
{
	unsigned int j;
	int i;
	struct VideoParameters *p_Vid = &p_H264_Dpb->mVideo;
	for (i = 2; i < 6; i++) {
		for (j = 0; j < MAX_LIST_SIZE; j++)
			currSlice->listX[i][j] = p_Vid->no_reference_picture;
		currSlice->listXsize[i] = 0;
	}

	for (i = 0; i < currSlice->listXsize[0]; i++) {
#ifdef ERROR_CHECK
		if (currSlice->listX[0][i] == NULL) {
			p_H264_Dpb->dpb_error_flag = __LINE__;
			pr_info(
			"error currSlice->listX[0][%d] is NULL\r\n", i);
			break;
		}
#endif
		currSlice->listX[2][2 * i] =
			currSlice->listX[0][i]->top_field;
		currSlice->listX[2][2 * i + 1] =
			currSlice->listX[0][i]->bottom_field;
		currSlice->listX[4][2 * i] =
			currSlice->listX[0][i]->bottom_field;
		currSlice->listX[4][2 * i + 1] =
			currSlice->listX[0][i]->top_field;
	}
	currSlice->listXsize[2] = currSlice->listXsize[4] =
		currSlice->listXsize[0] * 2;

	for (i = 0; i < currSlice->listXsize[1]; i++) {
#ifdef ERROR_CHECK
		if (currSlice->listX[1][i] == NULL) {
			p_H264_Dpb->dpb_error_flag = __LINE__;
			pr_info(
			"error currSlice->listX[1][%d] is NULL\r\n", i);
			break;
		}
#endif
		currSlice->listX[3][2 * i] =
			currSlice->listX[1][i]->top_field;
		currSlice->listX[3][2 * i + 1] =
			currSlice->listX[1][i]->bottom_field;
		currSlice->listX[5][2 * i] =
			currSlice->listX[1][i]->bottom_field;
		currSlice->listX[5][2 * i + 1] =
			currSlice->listX[1][i]->top_field;
	}
	currSlice->listXsize[3] = currSlice->listXsize[5] =
		currSlice->listXsize[1] * 2;
}


static void init_lists_i_slice(struct Slice *currSlice)
{

#if (MVC_EXTENSION_ENABLE)
	currSlice->listinterviewidx0 = 0;
	currSlice->listinterviewidx1 = 0;
#endif

	currSlice->listXsize[0] = 0;
	currSlice->listXsize[1] = 0;
}

static void init_lists_b_slice(struct Slice *currSlice)
{
	struct VideoParameters *p_Vid = currSlice->p_Vid;
	struct DecodedPictureBuffer *p_Dpb = currSlice->p_Dpb;
	struct h264_dpb_stru *p_H264_Dpb = container_of(p_Dpb,
		struct h264_dpb_stru, mDPB);

	unsigned int i;
	int j;

	int list0idx = 0;
	int list0idx_1 = 0;
	int listltidx = 0;

	struct FrameStore **fs_list0;
	struct FrameStore **fs_list1;
	struct FrameStore **fs_listlt;

#if (MVC_EXTENSION_ENABLE)
	currSlice->listinterviewidx0 = 0;
	currSlice->listinterviewidx1 = 0;
#endif

	{
		/* B-Slice */
		if (currSlice->structure == FRAME) {
			for (i = 0; i < p_Dpb->ref_frames_in_buffer; i++) {
#ifdef ERROR_CHECK
				if (p_Dpb->fs_ref[i] == NULL ||
					p_Dpb->fs_ref[i]->frame == NULL) {
					p_H264_Dpb->dpb_error_flag = __LINE__;
					continue;
				}
#endif
				if ((p_Dpb->fs_ref[i]->is_used == 3) &&
					((p_Dpb->fs_ref[i]->frame->
					used_for_reference) &&
					(!p_Dpb->fs_ref[i]->frame->
					is_long_term)) &&
					(currSlice->framepoc >=
					p_Dpb->fs_ref[i]->frame->poc)) {
					/* !KS use >= for error
					 *	concealment
					 */
					currSlice->listX[0][list0idx++] =
						p_Dpb->fs_ref[i]->frame;
				}
			}
			qsort((void *)currSlice->listX[0], list0idx,
				sizeof(struct StorablePicture *),
				compare_pic_by_poc_desc);

			/* get the backward reference picture
			 *   (POC>current POC) in list0;
			 */
			list0idx_1 = list0idx;
			for (i = 0; i < p_Dpb->ref_frames_in_buffer; i++) {
#ifdef ERROR_CHECK
				if (p_Dpb->fs_ref[i] == NULL ||
					p_Dpb->fs_ref[i]->frame == NULL) {
					p_H264_Dpb->dpb_error_flag = __LINE__;
					continue;
				}
#endif
				if ((p_Dpb->fs_ref[i]->is_used == 3) &&
					((p_Dpb->fs_ref[i]->frame->
					used_for_reference) &&
					(!p_Dpb->fs_ref[i]->frame->
					is_long_term)) &&
					(currSlice->framepoc <
					p_Dpb->fs_ref[i]->frame->poc)) {
					currSlice->
					listX[0][list0idx++] =
						p_Dpb->fs_ref[i]->frame;
				}
			}
			qsort((void *)&currSlice->listX[0][list0idx_1],
				list0idx - list0idx_1,
				sizeof(struct StorablePicture *),
				compare_pic_by_poc_asc);

			for (j = 0; j < list0idx_1; j++) {
				currSlice->
				listX[1][list0idx - list0idx_1 + j] =
					currSlice->listX[0][j];
			}
			for (j = list0idx_1; j < list0idx; j++) {
				currSlice->listX[1][j - list0idx_1] =
					currSlice->listX[0][j];
			}

			currSlice->listXsize[0] = currSlice->listXsize[1] =
				(char) list0idx;
			CHECK_VALID(currSlice->listXsize[0], 0);
			CHECK_VALID(currSlice->listXsize[1], 1);

			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL,
				"listX[0] (PicNum): ");
			for (i = 0; i < currSlice->listXsize[0]; i++) {
				dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL, "%d  ",
				currSlice->listX[0][i]->pic_num);
			}
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL, "\n");
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL,
				"listX[1] (PicNum): ");
			for (i = 0; i < currSlice->listXsize[1]; i++) {
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL, "%d  ",
					currSlice->listX[1][i]->pic_num);
			}
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL, "\n");
			/* dpb_print(p_H264_Dpb->decoder_index,
			 *	PRINT_FLAG_DPB_DETAIL,
			 *	"currSlice->listX[0] currPoc=%d (Poc): ",
			 *	p_Vid->framepoc);
			 *   for (i=0; i<currSlice->listXsize[0]; i++) {
			 *	dpb_print(p_H264_Dpb->decoder_index,
			 *		PRINT_FLAG_DPB_DETAIL,
			 *		"%d  ", currSlice->listX[0][i]->poc);
			 *   }
			 *   dpb_print(p_H264_Dpb->decoder_index,
			 *	PRINT_FLAG_DPB_DETAIL, "\n");
			 *   dpb_print(p_H264_Dpb->decoder_index,
			 *	PRINT_FLAG_DPB_DETAIL,
			 *	"currSlice->listX[1] currPoc=%d (Poc): ",
			 *	p_Vid->framepoc);
			 *   for (i=0; i<currSlice->listXsize[1]; i++) {
			 *	dpb_print(p_H264_Dpb->decoder_index,
			 *	PRINT_FLAG_DPB_DETAIL,
			 *	"%d  ",
			 *	currSlice->listX[1][i]->poc);
			 *   }
			 *   dpb_print(p_H264_Dpb->decoder_index,
			 *	PRINT_FLAG_DPB_DETAIL, "\n");
			 */

			/* long term handling */
			for (i = 0; i < p_Dpb->ltref_frames_in_buffer; i++) {
				if (p_Dpb->fs_ltref[i]->is_used == 3) {
					if (p_Dpb->fs_ltref[i]->frame->
						is_long_term) {
						currSlice->
						listX[0][list0idx] =
						p_Dpb->fs_ltref[i]->frame;
						currSlice->
						listX[1][list0idx++] =
						p_Dpb->fs_ltref[i]->frame;
					}
				}
			}
			qsort((void *)&currSlice->
				listX[0][(short) currSlice->listXsize[0]],
				list0idx - currSlice->listXsize[0],
				sizeof(struct StorablePicture *),
				compare_pic_by_lt_pic_num_asc);
			qsort((void *)&currSlice->
				listX[1][(short) currSlice->listXsize[0]],
				list0idx - currSlice->listXsize[0],
				sizeof(struct StorablePicture *),
				compare_pic_by_lt_pic_num_asc);
			currSlice->listXsize[0] = currSlice->listXsize[1] =
				(char) list0idx;
			CHECK_VALID(currSlice->listXsize[0], 0);
			CHECK_VALID(currSlice->listXsize[1], 1);
		} else {
#if 0
			fs_list0 = calloc(p_Dpb->size,
				sizeof(struct FrameStore *));
			if (fs_list0 == NULL)
				no_mem_exit("init_lists: fs_list0");
			fs_list1 = calloc(p_Dpb->size,
				sizeof(struct FrameStore *));
			if (fs_list1 == NULL)
				no_mem_exit("init_lists: fs_list1");
			fs_listlt = calloc(p_Dpb->size,
				sizeof(struct FrameStore *));
			if (fs_listlt == NULL)
				no_mem_exit("init_lists: fs_listlt");
#else
			fs_list0 = &(p_Dpb->fs_list0[0]);
			fs_list1 = &(p_Dpb->fs_list1[0]);
			fs_listlt = &(p_Dpb->fs_listlt[0]);

#endif
			currSlice->listXsize[0] = 0;
			currSlice->listXsize[1] = 1;

			for (i = 0; i < p_Dpb->ref_frames_in_buffer; i++) {
#ifdef ERROR_CHECK
				if (p_Dpb->fs_ref[i] == NULL) {
					p_H264_Dpb->dpb_error_flag = __LINE__;
					continue;
				}
#endif
				if (p_Dpb->fs_ref[i]->is_used) {
					if (currSlice->ThisPOC >=
						p_Dpb->fs_ref[i]->poc) {
						fs_list0[list0idx++] =
							p_Dpb->fs_ref[i];
					}
				}
			}
			qsort((void *)fs_list0, list0idx,
				sizeof(struct FrameStore *),
				compare_fs_by_poc_desc);
			list0idx_1 = list0idx;
			for (i = 0; i < p_Dpb->ref_frames_in_buffer; i++) {
#ifdef ERROR_CHECK
				if (p_Dpb->fs_ref[i] == NULL) {
					p_H264_Dpb->dpb_error_flag = __LINE__;
					continue;
				}
#endif
				if (p_Dpb->fs_ref[i]->is_used) {
					if (currSlice->ThisPOC <
						p_Dpb->fs_ref[i]->poc) {
						fs_list0[list0idx++] =
							p_Dpb->fs_ref[i];
					}
				}
			}
			qsort((void *)&fs_list0[list0idx_1],
				list0idx - list0idx_1,
				sizeof(struct FrameStore *),
				compare_fs_by_poc_asc);

			for (j = 0; j < list0idx_1; j++) {
				fs_list1[list0idx - list0idx_1 + j] =
				fs_list0[j];
			}
			for (j = list0idx_1; j < list0idx; j++)
				fs_list1[j - list0idx_1] = fs_list0[j];

			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL,
				"fs_list0 currPoc=%d (Poc): ",
				currSlice->ThisPOC);
			for (i = 0; i < list0idx; i++) {
				dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL, "%d  ",
				fs_list0[i]->poc);
			}
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL, "\n");
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL,
				"fs_list1 currPoc=%d (Poc): ",
				currSlice->ThisPOC);
			for (i = 0; i < list0idx; i++) {
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL, "%d  ",
					fs_list1[i]->poc);
			}
			dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL, "\n");

			currSlice->listXsize[0] = 0;
			currSlice->listXsize[1] = 0;
			gen_pic_list_from_frame_list(currSlice->structure,
						fs_list0, list0idx,
						currSlice->listX[0],
						&currSlice->listXsize[0], 0);
			gen_pic_list_from_frame_list(currSlice->structure,
						fs_list1, list0idx,
						currSlice->listX[1],
						&currSlice->listXsize[1], 0);

			/* dpb_print(p_H264_Dpb->decoder_index,
			 *	PRINT_FLAG_DPB_DETAIL,
			 *	"currSlice->listX[0] currPoc=%d (Poc): ",
			 *	p_Vid->framepoc);
			 *  for (i=0; i<currSlice->listXsize[0]; i++) {
			 *	dpb_print(p_H264_Dpb->decoder_index,
			 *	PRINT_FLAG_DPB_DETAIL, "%d  ",
			 *	currSlice->listX[0][i]->poc);
			 *  }
			 *  dpb_print(p_H264_Dpb->decoder_index,
			 *	PRINT_FLAG_DPB_DETAIL, "\n");
			 */
			/* dpb_print(p_H264_Dpb->decoder_index,
			 *	PRINT_FLAG_DPB_DETAIL,
			 *	"currSlice->listX[1] currPoc=%d (Poc): ",
			 *	p_Vid->framepoc);
			 *  for (i=0; i<currSlice->listXsize[1]; i++) {
			 *	dpb_print(p_H264_Dpb->decoder_index,
			 *	PRINT_FLAG_DPB_DETAIL, "%d  ",
			 *	currSlice->listX[1][i]->poc);
			 *  }
			 *  dpb_print(p_H264_Dpb->decoder_index,
			 *	PRINT_FLAG_DPB_DETAIL,
			 *	"\n");
			 */

			/* long term handling */
			for (i = 0; i < p_Dpb->ltref_frames_in_buffer; i++)
				fs_listlt[listltidx++] = p_Dpb->fs_ltref[i];

			qsort((void *)fs_listlt, listltidx,
				sizeof(struct FrameStore *),
				compare_fs_by_lt_pic_idx_asc);

			gen_pic_list_from_frame_list(currSlice->structure,
				fs_listlt, listltidx,
				currSlice->listX[0],
				&currSlice->listXsize[0], 1);
			gen_pic_list_from_frame_list(currSlice->structure,
				fs_listlt, listltidx,
				currSlice->listX[1],
				&currSlice->listXsize[1], 1);

			/* free(fs_list0); */
			/* free(fs_list1); */
			/* free(fs_listlt); */
		}
	}

	if ((currSlice->listXsize[0] == currSlice->listXsize[1]) &&
	    (currSlice->listXsize[0] > 1)) {
		/* check if lists are identical,
		 *if yes swap first two elements of currSlice->listX[1]
		 */
		int diff = 0;

		for (j = 0; j < currSlice->listXsize[0]; j++) {
			if (currSlice->listX[0][j] !=
				currSlice->listX[1][j]) {
				diff = 1;
				break;
			}
		}
		if (!diff) {
			struct StorablePicture *tmp_s =
				currSlice->listX[1][0];
			currSlice->listX[1][0] = currSlice->listX[1][1];
			currSlice->listX[1][1] = tmp_s;
		}
	}

	/* set max size */
	currSlice->listXsize[0] = (char) imin(currSlice->listXsize[0],
		currSlice->num_ref_idx_active[LIST_0]);
	currSlice->listXsize[1] = (char) imin(currSlice->listXsize[1],
		currSlice->num_ref_idx_active[LIST_1]);
	CHECK_VALID(currSlice->listXsize[0], 0);
	CHECK_VALID(currSlice->listXsize[1], 1);

	/* set the unused list entries to NULL */
	for (i = currSlice->listXsize[0]; i < (MAX_LIST_SIZE); i++)
		currSlice->listX[0][i] = p_Vid->no_reference_picture;
	for (i = currSlice->listXsize[1]; i < (MAX_LIST_SIZE); i++)
		currSlice->listX[1][i] = p_Vid->no_reference_picture;

#if PRINTREFLIST
#if (MVC_EXTENSION_ENABLE)
	/* print out for h264_debug_flag purpose */
	if ((p_Vid->profile_idc == MVC_HIGH ||
	    p_Vid->profile_idc == STEREO_HIGH) &&
	    currSlice->current_slice_nr == 0) {
		if ((currSlice->listXsize[0] > 0) ||
		    (currSlice->listXsize[1] > 0))
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL, "\n");
		if (currSlice->listXsize[0] > 0) {
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL,
				" ** (CurViewID:%d %d) %s Ref Pic List 0 ****\n",
				currSlice->view_id,
				currSlice->ThisPOC,
				currSlice->structure == FRAME ? "FRM" :
				(currSlice->structure == TOP_FIELD ?
				"TOP" : "BOT"));
			for (i = 0; i < (unsigned int)(currSlice->
				listXsize[0]); i++) { /* ref list 0 */
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL,
					"   %2d -> POC: %4d PicNum: %4d ViewID: %d\n",
					i,
					currSlice->listX[0][i]->poc,
					currSlice->listX[0][i]->pic_num,
					currSlice->listX[0][i]->view_id);
			}
		}
		if (currSlice->listXsize[1] > 0) {
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL,
				" ** (CurViewID:%d %d) %s Ref Pic List 1 ****\n",
				currSlice->view_id,
				currSlice->ThisPOC,
				currSlice->structure == FRAME ? "FRM" :
				(currSlice->structure == TOP_FIELD ? "TOP" :
				"BOT"));
			for (i = 0; i < (unsigned int)(currSlice->
				listXsize[1]); i++) { /* ref list 1 */
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL,
					"   %2d -> POC: %4d PicNum: %4d	ViewID: %d\n",
					i,
					currSlice->listX[1][i]->poc,
					currSlice->listX[1][i]->pic_num,
					currSlice->listX[1][i]->view_id);
			}
		}
	}
#endif
#endif
}

static struct StorablePicture *get_short_term_pic(struct Slice *currSlice,
		struct DecodedPictureBuffer *p_Dpb, int picNum)
{
	unsigned int i;
	struct h264_dpb_stru *p_H264_Dpb = container_of(p_Dpb,
		struct h264_dpb_stru, mDPB);
	for (i = 0; i < p_Dpb->ref_frames_in_buffer; i++) {
		if (currSlice->structure == FRAME) {
#ifdef ERROR_CHECK
			if (p_Dpb->fs_ref[i] == NULL) {
				p_H264_Dpb->dpb_error_flag = __LINE__;
				continue;
			}
#endif
			if (p_Dpb->fs_ref[i]->is_reference == 3) {
#ifdef ERROR_CHECK
				if (p_Dpb->fs_ref[i]->frame == NULL) {
					p_H264_Dpb->dpb_error_flag = __LINE__;
					continue;
				}
#endif
				if ((!p_Dpb->fs_ref[i]->frame->
					is_long_term) &&
				    (p_Dpb->fs_ref[i]->frame->
					pic_num == picNum))
					return p_Dpb->fs_ref[i]->frame;
			}
		} else {
#ifdef ERROR_CHECK
			if (p_Dpb->fs_ref[i] == NULL) {
				p_H264_Dpb->dpb_error_flag = __LINE__;
				continue;
			}
#endif
			if (p_Dpb->fs_ref[i]->is_reference & 1) {
#ifdef ERROR_CHECK
				if (p_Dpb->fs_ref[i]->top_field == NULL) {
					p_H264_Dpb->dpb_error_flag = __LINE__;
					continue;
				}
#endif
				if ((!p_Dpb->fs_ref[i]->top_field->
					is_long_term) &&
				    (p_Dpb->fs_ref[i]->top_field->
					pic_num == picNum))
					return p_Dpb->fs_ref[i]->top_field;
			}
			if (p_Dpb->fs_ref[i]->is_reference & 2) {
#ifdef ERROR_CHECK
				if (p_Dpb->fs_ref[i]->bottom_field == NULL) {
					p_H264_Dpb->dpb_error_flag = __LINE__;
					continue;
				}
#endif
				if ((!p_Dpb->fs_ref[i]->bottom_field->
					is_long_term) &&
				    (p_Dpb->fs_ref[i]->bottom_field->
					pic_num == picNum))
					return p_Dpb->fs_ref[i]->bottom_field;
			}
		}
	}

	return currSlice->p_Vid->no_reference_picture;
}


static void reorder_short_term(struct Slice *currSlice, int cur_list,
				int num_ref_idx_lX_active_minus1,
				int picNumLX, int *refIdxLX)
{
	struct h264_dpb_stru *p_H264_Dpb = container_of(currSlice->p_Vid,
					struct h264_dpb_stru, mVideo);

	struct StorablePicture **RefPicListX = currSlice->listX[cur_list];
	int cIdx, nIdx;

	struct StorablePicture *picLX;

	picLX = get_short_term_pic(currSlice, currSlice->p_Dpb, picNumLX);

	for (cIdx = num_ref_idx_lX_active_minus1 + 1; cIdx > *refIdxLX;
		cIdx--) {
		dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			"%s: RefPicListX[ %d ] = RefPicListX[ %d ]\n",
			__func__, cIdx, cIdx - 1);
		RefPicListX[cIdx] = RefPicListX[cIdx - 1];
	}

	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		"%s: RefPicListX[ %d ] = pic %x (%d)\n", __func__,
		*refIdxLX, picLX, picNumLX);

	RefPicListX[(*refIdxLX)++] = picLX;

	nIdx = *refIdxLX;

	for (cIdx = *refIdxLX; cIdx <= num_ref_idx_lX_active_minus1 + 1;
		cIdx++) {
		if (RefPicListX[cIdx])
			if ((RefPicListX[cIdx]->is_long_term) ||
			    (RefPicListX[cIdx]->pic_num != picNumLX)) {
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL,
					"%s: RefPicListX[ %d ] = RefPicListX[ %d ]\n",
					__func__, nIdx, cIdx);
				RefPicListX[nIdx++] = RefPicListX[cIdx];
			}
	}
}


static struct StorablePicture *get_long_term_pic(struct Slice *currSlice,
		struct DecodedPictureBuffer *p_Dpb, int LongtermPicNum)
{
	unsigned int i;

	for (i = 0; i < p_Dpb->ltref_frames_in_buffer; i++) {
		if (currSlice->structure == FRAME) {
			if (p_Dpb->fs_ltref[i]->is_reference == 3)
				if ((p_Dpb->fs_ltref[i]->frame) &&
					(p_Dpb->fs_ltref[i]->frame->
					is_long_term) &&
				    (p_Dpb->fs_ltref[i]->frame->
					long_term_pic_num ==
					LongtermPicNum))
					return p_Dpb->fs_ltref[i]->frame;
		} else {
			if (p_Dpb->fs_ltref[i]->is_reference & 1)
				if ((p_Dpb->fs_ltref[i]->top_field) &&
					(p_Dpb->fs_ltref[i]->top_field->
					is_long_term) &&
				    (p_Dpb->fs_ltref[i]->top_field->
					long_term_pic_num == LongtermPicNum))
					return p_Dpb->fs_ltref[i]->top_field;

			if (p_Dpb->fs_ltref[i]->is_reference & 2)
				if ((p_Dpb->fs_ltref[i]->bottom_field) &&
					(p_Dpb->fs_ltref[i]->bottom_field->
					is_long_term) &&
				    (p_Dpb->fs_ltref[i]->bottom_field->
					long_term_pic_num ==
					LongtermPicNum))
					return p_Dpb->fs_ltref[i]->
						bottom_field;
		}
	}
	return NULL;
}

/*!
 ************************************************************************
 * \brief
 *    Reordering process for long-term reference pictures
 *
 ************************************************************************
 */
static void reorder_long_term(struct Slice *currSlice,
				struct StorablePicture **RefPicListX,
				int num_ref_idx_lX_active_minus1,
			      int LongTermPicNum, int *refIdxLX)
{
	int cIdx, nIdx;

	struct StorablePicture *picLX;

	picLX = get_long_term_pic(currSlice, currSlice->p_Dpb, LongTermPicNum);

	for (cIdx = num_ref_idx_lX_active_minus1 + 1; cIdx > *refIdxLX; cIdx--)
		RefPicListX[cIdx] = RefPicListX[cIdx - 1];

	RefPicListX[(*refIdxLX)++] = picLX;

	nIdx = *refIdxLX;

	for (cIdx = *refIdxLX; cIdx <= num_ref_idx_lX_active_minus1 + 1;
		cIdx++) {
		if (RefPicListX[cIdx]) {
			if ((!RefPicListX[cIdx]->is_long_term) ||
			    (RefPicListX[cIdx]->long_term_pic_num !=
				LongTermPicNum))
				RefPicListX[nIdx++] = RefPicListX[cIdx];
		}
	}
}

static void reorder_ref_pic_list(struct Slice *currSlice, int cur_list)
{
	int *modification_of_pic_nums_idc =
		currSlice->modification_of_pic_nums_idc[cur_list];
	int *abs_diff_pic_num_minus1 =
		currSlice->abs_diff_pic_num_minus1[cur_list];
	int *long_term_pic_idx = currSlice->long_term_pic_idx[cur_list];
	int num_ref_idx_lX_active_minus1 =
		currSlice->num_ref_idx_active[cur_list] - 1;

	struct VideoParameters *p_Vid = currSlice->p_Vid;
	int i;

	int maxPicNum, currPicNum, picNumLXNoWrap, picNumLXPred, picNumLX;
	int refIdxLX = 0;

	if (currSlice->structure == FRAME) {
		maxPicNum  = p_Vid->max_frame_num;
		currPicNum = currSlice->frame_num;
	} else {
		maxPicNum  = 2 * p_Vid->max_frame_num;
		currPicNum = 2 * currSlice->frame_num + 1;
	}

	picNumLXPred = currPicNum;

	for (i = 0;  i < REORDERING_COMMAND_MAX_SIZE &&
		modification_of_pic_nums_idc[i] != 3; i++) {
		if (modification_of_pic_nums_idc[i] > 3) {
			struct h264_dpb_stru *p_H264_Dpb =
			container_of(p_Vid, struct h264_dpb_stru, mVideo);
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_ERROR,
				"error, Invalid modification_of_pic_nums_idc command\n");
			/*h264_debug_flag = 0x1f;*/
			break;
		}
		if (modification_of_pic_nums_idc[i] < 2) {
			if (modification_of_pic_nums_idc[i] == 0) {
				if (picNumLXPred - (abs_diff_pic_num_minus1[i]
					+ 1) < 0)
					picNumLXNoWrap = picNumLXPred -
					(abs_diff_pic_num_minus1[i] + 1) +
					maxPicNum;
				else
					picNumLXNoWrap = picNumLXPred -
					(abs_diff_pic_num_minus1[i] + 1);
			} else { /* (modification_of_pic_nums_idc[i] == 1) */
				if (picNumLXPred + (abs_diff_pic_num_minus1[i]
					+ 1)  >=  maxPicNum)
					picNumLXNoWrap = picNumLXPred +
					(abs_diff_pic_num_minus1[i] + 1) -
					maxPicNum;
				else
					picNumLXNoWrap = picNumLXPred +
					(abs_diff_pic_num_minus1[i] + 1);
			}
			picNumLXPred = picNumLXNoWrap;

			if (picNumLXNoWrap > currPicNum)
				picNumLX = picNumLXNoWrap - maxPicNum;
			else
				picNumLX = picNumLXNoWrap;

#if (MVC_EXTENSION_ENABLE)
			reorder_short_term(currSlice, cur_list,
					num_ref_idx_lX_active_minus1, picNumLX,
					&refIdxLX, -1);
#else
			reorder_short_term(currSlice, cur_list,
					num_ref_idx_lX_active_minus1, picNumLX,
					&refIdxLX);
#endif
		} else { /* (modification_of_pic_nums_idc[i] == 2) */
#if (MVC_EXTENSION_ENABLE)
			reorder_long_term(currSlice, currSlice->listX[cur_list],
					num_ref_idx_lX_active_minus1,
					long_term_pic_idx[i], &refIdxLX, -1);
#else
			reorder_long_term(currSlice, currSlice->listX[cur_list],
					num_ref_idx_lX_active_minus1,
					long_term_pic_idx[i], &refIdxLX);
#endif
		}

	}
	/* that's a definition */
	currSlice->listXsize[cur_list] =
		(char)(num_ref_idx_lX_active_minus1 + 1);
}

static void reorder_lists(struct Slice *currSlice)
{
	struct VideoParameters *p_Vid = currSlice->p_Vid;
	struct h264_dpb_stru *p_H264_Dpb = container_of(p_Vid,
		struct h264_dpb_stru, mVideo);
	int i;

	if ((currSlice->slice_type != I_SLICE) &&
		(currSlice->slice_type != SI_SLICE)) {
		if (currSlice->ref_pic_list_reordering_flag[LIST_0])
			reorder_ref_pic_list(currSlice, LIST_0);
		if (p_Vid->no_reference_picture ==
		    currSlice->
			listX[0][currSlice->num_ref_idx_active[LIST_0] - 1]) {
			if (p_Vid->non_conforming_stream)
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL,
					"RefPicList0[ %d ] is equal to 'no reference picture'\n",
					currSlice->
					num_ref_idx_active[LIST_0] - 1);
			else
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL,
					"RefPicList0 [ num_ref_idx_l0_active_minus1 ] is equal to 'no reference picture', invalid bitstream %d\n",
					500);
		}
		/* that's a definition */
		currSlice->listXsize[0] =
			(char) imin(currSlice->listXsize[0],
			currSlice->num_ref_idx_active[LIST_0]);
		CHECK_VALID(currSlice->listXsize[0], 0);
		if (h264_debug_flag & PRINT_FLAG_DPB_DETAIL) {
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL,
				"listX[0] reorder (PicNum): ");
			for (i = 0; i < currSlice->listXsize[0]; i++) {
				dpb_print_cont(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL, "%d  ",
					currSlice->listX[0][i]->pic_num);
			}
			dpb_print_cont(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL, "\n");
		}
	}

	if (currSlice->slice_type == B_SLICE) {
		if (currSlice->ref_pic_list_reordering_flag[LIST_1])
			reorder_ref_pic_list(currSlice, LIST_1);
		if (p_Vid->no_reference_picture ==
		    currSlice->listX[1][currSlice->
			num_ref_idx_active[LIST_1] - 1]) {
			if (p_Vid->non_conforming_stream)
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL,
					"RefPicList1[ %d ] is equal to 'no reference picture'\n",
					currSlice->
					num_ref_idx_active[LIST_1] - 1);
			else
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL,
					"RefPicList1 [ num_ref_idx_l1_active_minus1 ] is equal to 'no reference picture', invalid bitstream %d\n",
					500);
		}
		/* that's a definition */
		currSlice->listXsize[1] =
			(char)currSlice->num_ref_idx_active[LIST_1];
		if (h264_debug_flag & PRINT_FLAG_DPB_DETAIL) {
			dpb_print(p_H264_Dpb->decoder_index,
			PRINT_FLAG_DPB_DETAIL,
				  "listX[1] reorder (PicNum): ");
			for (i = 0; i < currSlice->listXsize[1]; i++) {
				if (currSlice->listX[1][i])
					dpb_print_cont(p_H264_Dpb->decoder_index,
						PRINT_FLAG_DPB_DETAIL, "%d  ",
						currSlice->listX[1][i]->pic_num);
			}
			dpb_print_cont(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL, "\n");
		}
	}

	/* free_ref_pic_list_reordering_buffer(currSlice); */

	if (currSlice->slice_type == P_SLICE) {
#if PRINTREFLIST
		unsigned int i;
#if (MVC_EXTENSION_ENABLE)
		/* print out for h264_debug_flag purpose */
		if ((p_Vid->profile_idc == MVC_HIGH ||
			p_Vid->profile_idc == STEREO_HIGH) &&
			currSlice->current_slice_nr == 0) {
			if (currSlice->listXsize[0] > 0
				&& (h264_debug_flag & PRINT_FLAG_DPB_DETAIL)) {
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL, "\n");
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL,
					  " ** (FinalViewID:%d) %s Ref Pic List 0 ****\n",
					currSlice->view_id,
					currSlice->structure == FRAME ?
					"FRM" :
					(currSlice->structure == TOP_FIELD ?
					"TOP" : "BOT"));
				for (i = 0; i < (unsigned int)(currSlice->
					listXsize[0]); i++) { /* ref list 0 */
					dpb_print(p_H264_Dpb->decoder_index,
						PRINT_FLAG_DPB_DETAIL,
						"   %2d -> POC: %4d PicNum: %4d ViewID: %d\n",
						i,
						currSlice->listX[0][i]->poc,
						currSlice->listX[0][i]->
							pic_num,
						currSlice->listX[0][i]->
							view_id);
				}
			}
		}
#endif
#endif
	} else if (currSlice->slice_type == B_SLICE) {
#if PRINTREFLIST
		unsigned int i;
#if (MVC_EXTENSION_ENABLE)
		/* print out for h264_debug_flag purpose */
		if ((p_Vid->profile_idc == MVC_HIGH ||
			p_Vid->profile_idc == STEREO_HIGH) &&
		    currSlice->current_slice_nr == 0) {
			if ((currSlice->listXsize[0] > 0) ||
				(currSlice->listXsize[1] > 0))
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL, "\n");
			if (currSlice->listXsize[0] > 0
				&& (h264_debug_flag & PRINT_FLAG_DPB_DETAIL)) {
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL,
					" ** (FinalViewID:%d) %s Ref Pic List 0 ****\n",
					currSlice->view_id,
					currSlice->structure == FRAME ?
					"FRM" :
					(currSlice->structure == TOP_FIELD ?
					"TOP" : "BOT"));
				for (i = 0; i < (unsigned int)(currSlice->
					listXsize[0]); i++) { /* ref list 0 */
					dpb_print(p_H264_Dpb->decoder_index,
						PRINT_FLAG_DPB_DETAIL,
						"   %2d -> POC: %4d PicNum: %4d ViewID: %d\n",
						i,
						currSlice->listX[0][i]->poc,
						currSlice->listX[0][i]->
							pic_num,
						currSlice->listX[0][i]->
							view_id);
				}
			}
			if (currSlice->listXsize[1] > 0
				 && (h264_debug_flag & PRINT_FLAG_DPB_DETAIL)) {
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_DPB_DETAIL,
					" ** (FinalViewID:%d) %s Ref Pic List 1 ****\n",
					currSlice->view_id,
					currSlice->structure == FRAME ?
					"FRM" :
					(currSlice->structure == TOP_FIELD ?
					"TOP" : "BOT"));
				for (i = 0; i < (unsigned int)(currSlice->
					listXsize[1]); i++) { /* ref list 1 */
					dpb_print(p_H264_Dpb->decoder_index,
						PRINT_FLAG_DPB_DETAIL,
						"   %2d -> POC: %4d PicNum: %4d ViewID: %d\n",
						i,
						currSlice->listX[1][i]->poc,
						currSlice->listX[1][i]->
							pic_num,
						currSlice->listX[1][i]->
							view_id);
				}
			}
		}
#endif

#endif
	}
}

void init_colocate_buf(struct h264_dpb_stru *p_H264_Dpb, int count)
{
	p_H264_Dpb->colocated_buf_map = 0;
	p_H264_Dpb->colocated_buf_count = count;
}

int allocate_colocate_buf(struct h264_dpb_stru *p_H264_Dpb)
{
	int i;

	for (i = 0; i < p_H264_Dpb->colocated_buf_count; i++) {
		if (((p_H264_Dpb->colocated_buf_map >> i) & 0x1) == 0) {
			p_H264_Dpb->colocated_buf_map |= (1 << i);
			break;
		}
	}
	if (i == p_H264_Dpb->colocated_buf_count) {
		i = -1;
		p_H264_Dpb->buf_alloc_fail = 1;
	}
	return i;
}

int release_colocate_buf(struct h264_dpb_stru *p_H264_Dpb, int index)
{
	if (index >= 0) {
		if (index >= p_H264_Dpb->colocated_buf_count) {
			dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_ERROR,
				"%s error, index %d is bigger than buf count %d\n",
				__func__, index,
				p_H264_Dpb->colocated_buf_count);
		} else {
			if (((p_H264_Dpb->colocated_buf_map >>
				index) & 0x1) == 0x1) {
				p_H264_Dpb->colocated_buf_map &=
					(~(1 << index));
			} else {
				dpb_print(p_H264_Dpb->decoder_index,
					PRINT_FLAG_ERROR,
					"%s error, index %d is not allocated\n",
					__func__, index);
			}
		}
	}
	return 0;
}

void set_frame_output_flag(struct h264_dpb_stru *p_H264_Dpb, int index)
{
	struct DecodedPictureBuffer *p_Dpb = &p_H264_Dpb->mDPB;

	p_H264_Dpb->mFrameStore[index].is_output = 1;
	p_H264_Dpb->mFrameStore[index].pre_output = 0;
	p_H264_Dpb->mFrameStore[index].show_frame = false;
	dump_dpb(p_Dpb, 0);
}

#if 0
void init_old_slice(OldSliceParams *p_old_slice)
{
	p_old_slice->field_pic_flag = 0;
	p_old_slice->pps_id         = INT_MAX;
	p_old_slice->frame_num      = INT_MAX;
	p_old_slice->nal_ref_idc    = INT_MAX;
	p_old_slice->idr_flag       = 0;

	p_old_slice->pic_oder_cnt_lsb          = UINT_MAX;
	p_old_slice->delta_pic_oder_cnt_bottom = INT_MAX;

	p_old_slice->delta_pic_order_cnt[0] = INT_MAX;
	p_old_slice->delta_pic_order_cnt[1] = INT_MAX;
}


void copy_slice_info(struct Slice *currSlice, OldSliceParams *p_old_slice)
{
	struct VideoParameters *p_Vid = currSlice->p_Vid;

	p_old_slice->pps_id         = currSlice->pic_parameter_set_id;
	p_old_slice->frame_num      = currSlice->frame_num;
	/* p_Vid->frame_num; */
	p_old_slice->field_pic_flag =
		currSlice->field_pic_flag;
	/* p_Vid->field_pic_flag; */

	if (currSlice->field_pic_flag)
		p_old_slice->bottom_field_flag = currSlice->bottom_field_flag;

	p_old_slice->nal_ref_idc = currSlice->nal_reference_idc;
	p_old_slice->idr_flag    = (byte) currSlice->idr_flag;

	if (currSlice->idr_flag)
		p_old_slice->idr_pic_id = currSlice->idr_pic_id;

	if (p_Vid->active_sps->pic_order_cnt_type == 0) {
		p_old_slice->pic_oder_cnt_lsb =
			currSlice->pic_order_cnt_lsb;
		p_old_slice->delta_pic_oder_cnt_bottom =
			currSlice->delta_pic_order_cnt_bottom;
	}

	if (p_Vid->active_sps->pic_order_cnt_type == 1) {
		p_old_slice->delta_pic_order_cnt[0] =
			currSlice->delta_pic_order_cnt[0];
		p_old_slice->delta_pic_order_cnt[1] =
			currSlice->delta_pic_order_cnt[1];
	}
#if (MVC_EXTENSION_ENABLE)
	p_old_slice->view_id = currSlice->view_id;
	p_old_slice->inter_view_flag = currSlice->inter_view_flag;
	p_old_slice->anchor_pic_flag = currSlice->anchor_pic_flag;
#endif
	p_old_slice->layer_id = currSlice->layer_id;
}

int is_new_picture(StorablePicture *dec_picture, struct Slice *currSlice,
		   OldSliceParams *p_old_slice)
{
	struct VideoParameters *p_Vid = currSlice->p_Vid;

	int result = 0;

	result |= (dec_picture == NULL);

	result |= (p_old_slice->pps_id != currSlice->pic_parameter_set_id);

	result |= (p_old_slice->frame_num != currSlice->frame_num);

	result |= (p_old_slice->field_pic_flag != currSlice->field_pic_flag);

	if (currSlice->field_pic_flag && p_old_slice->field_pic_flag) {
		result |= (p_old_slice->bottom_field_flag !=
				currSlice->bottom_field_flag);
	}

	result |= (p_old_slice->nal_ref_idc !=
			currSlice->nal_reference_idc) &&
		  ((p_old_slice->nal_ref_idc == 0) ||
			(currSlice->nal_reference_idc == 0));
	result |= (p_old_slice->idr_flag    != currSlice->idr_flag);

	if (currSlice->idr_flag && p_old_slice->idr_flag)
		result |= (p_old_slice->idr_pic_id != currSlice->idr_pic_id);

	if (p_Vid->active_sps->pic_order_cnt_type == 0) {
		result |= (p_old_slice->pic_oder_cnt_lsb !=
			   currSlice->pic_order_cnt_lsb);
		if (p_Vid->active_pps->
			bottom_field_pic_order_in_frame_present_flag  ==  1 &&
		    !currSlice->field_pic_flag) {
			result |= (p_old_slice->delta_pic_oder_cnt_bottom !=
				   currSlice->delta_pic_order_cnt_bottom);
		}
	}

	if (p_Vid->active_sps->pic_order_cnt_type == 1) {
		if (!p_Vid->active_sps->delta_pic_order_always_zero_flag) {
			result |= (p_old_slice->delta_pic_order_cnt[0] !=
				   currSlice->delta_pic_order_cnt[0]);
			if (p_Vid->active_pps->
			bottom_field_pic_order_in_frame_present_flag  ==  1 &&
			    !currSlice->field_pic_flag) {
				result |= (p_old_slice->
					delta_pic_order_cnt[1] !=
					currSlice->delta_pic_order_cnt[1]);
			}
		}
	}

#if (MVC_EXTENSION_ENABLE)
	result |= (currSlice->view_id != p_old_slice->view_id);
	result |= (currSlice->inter_view_flag != p_old_slice->inter_view_flag);
	result |= (currSlice->anchor_pic_flag != p_old_slice->anchor_pic_flag);
#endif
	result |= (currSlice->layer_id != p_old_slice->layer_id);
	return result;
}
#else
int is_new_picture(struct StorablePicture *dec_picture,
		   struct h264_dpb_stru *p_H264_Dpb,
		   struct OldSliceParams *p_old_slice)
{
	int ret = 0;

	if (p_H264_Dpb->dpb_param.l.data[FIRST_MB_IN_SLICE] == 0)
		ret = 1;
	return ret;
}

#endif

/*
* release bufspec and pic for picture not in dpb buf
*/
int release_picture(struct h264_dpb_stru *p_H264_Dpb,
		   struct StorablePicture *pic)
{
	struct DecodedPictureBuffer *p_Dpb = &p_H264_Dpb->mDPB;

	if (p_Dpb->last_picture == NULL) {
		if (pic->colocated_buf_index >= 0) {
			release_colocate_buf(p_H264_Dpb,
			pic->colocated_buf_index);
			pic->colocated_buf_index = -1;
		}
		release_buf_spec_num(p_H264_Dpb->vdec, pic->buf_spec_num);
	} else {
		if (pic->buf_spec_is_alloced == 1)
			release_buf_spec_num(p_H264_Dpb->vdec,
				pic->buf_spec_num);
	}

	free_picture(p_H264_Dpb, pic);
	return 0;
}

#ifdef ERROR_HANDLE_TEST
/*
*  remove all pictures in dpb and release bufspec/pic of them
*/
void remove_dpb_pictures(struct h264_dpb_stru *p_H264_Dpb)
{
	/* struct VideoParameters *p_Vid = p_Dpb->p_Vid; */
	struct DecodedPictureBuffer *p_Dpb = &p_H264_Dpb->mDPB;
	struct Slice *currSlice = &p_H264_Dpb->mSlice;
	unsigned  i, j;

	dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		"%s\n", __func__);

	if (!p_Dpb->init_done)
		return;

	for (i = 0; i < p_Dpb->used_size; i++) {
		if (p_Dpb->fs[i]->colocated_buf_index >= 0) {
			dpb_print(p_H264_Dpb->decoder_index,
			PRINT_FLAG_DPB_DETAIL,
			"release_colocate_buf[%d] for fs[%d]\n",
			p_Dpb->fs[i]->colocated_buf_index, i);

			release_colocate_buf(p_H264_Dpb,
				p_Dpb->fs[i]->colocated_buf_index); /* rain */
			p_Dpb->fs[i]->colocated_buf_index = -1;
		}
		if (!p_Dpb->fs[i]->pre_output) {
			release_buf_spec_num(p_H264_Dpb->vdec,
				p_Dpb->fs[i]->buf_spec_num);
			p_Dpb->fs[i]->buf_spec_num = -1;
		}
		remove_frame_from_dpb(p_H264_Dpb, i);
	}

	for (i = 0; i < p_Dpb->used_size; i++) {
		p_Dpb->fs_ref[i] = NULL;
		p_Dpb->fs_ltref[i] = NULL;
		p_Dpb->fs_list0[i] = NULL;
		p_Dpb->fs_list1[i] = NULL;
		p_Dpb->fs_listlt[i] = NULL;
	}
	for (i = 0; i < 2; i++) {
		currSlice->listXsize[i] = 0;
		for (j = 0; j < (MAX_LIST_SIZE * 2); j++)
			currSlice->listX[i][j] = NULL;
	}
	p_Dpb->ref_frames_in_buffer = 0;
	p_Dpb->ltref_frames_in_buffer = 0;
	p_Dpb->last_output_poc = INT_MIN;
}
#endif

static void check_frame_store_same_pic_num(struct DecodedPictureBuffer *p_Dpb,
	struct StorablePicture *p, struct Slice *currSlice)
{
	if (p_Dpb->last_picture) {
		if ((int)p_Dpb->last_picture->frame_num == p->pic_num) {
			if (((p->structure == TOP_FIELD) &&
				(p_Dpb->last_picture->is_used == 2)) ||
			    ((p->structure == BOTTOM_FIELD) &&
				(p_Dpb->last_picture->is_used == 1))) {
				if ((p->used_for_reference &&
					(p_Dpb->last_picture->
					is_orig_reference != 0)) ||
				    (!p->used_for_reference &&
					(p_Dpb->last_picture->
					is_orig_reference == 0))) {
					p->buf_spec_num =
						p_Dpb->last_picture->
						buf_spec_num;
					p->buf_spec_is_alloced = 0;
					p->colocated_buf_index = p_Dpb->
						last_picture->
						colocated_buf_index;
					if (currSlice->structure ==
						TOP_FIELD) {
						p->bottom_poc =
							p_Dpb->last_picture->
							bottom_field->poc;
					} else {
						p->top_poc =
							p_Dpb->last_picture->
							top_field->poc;
					}
					p->frame_poc = imin(p->bottom_poc,
						p->top_poc);
				}
			}
		}
	}
}

int h264_slice_header_process(struct h264_dpb_stru *p_H264_Dpb, int *frame_num_gap)
{

	int new_pic_flag = 0;
	struct Slice *currSlice = &p_H264_Dpb->mSlice;
	struct VideoParameters *p_Vid = &p_H264_Dpb->mVideo;
	struct DecodedPictureBuffer *p_Dpb =
				&p_H264_Dpb->mDPB;
#if 0
	new_pic_flag = is_new_picture(p_H264_Dpb->mVideo.dec_picture,
				      p_H264_Dpb,
				      &p_H264_Dpb->mVideo.old_slice);

	if (new_pic_flag) { /* new picture */
		if (p_H264_Dpb->mVideo.dec_picture) {
			store_picture_in_dpb(p_H264_Dpb,
				p_H264_Dpb->mVideo.dec_picture);
			/* dump_dpb(&p_H264_Dpb->mDPB); */
		}
	}
#else
	new_pic_flag = (p_H264_Dpb->mVideo.dec_picture == NULL);
#endif
	p_H264_Dpb->buf_alloc_fail = 0;
	p_H264_Dpb->dpb_error_flag = 0;
	slice_prepare(p_H264_Dpb, &p_H264_Dpb->mDPB, &p_H264_Dpb->mVideo,
		      &p_H264_Dpb->mSPS, &p_H264_Dpb->mSlice);

	if (p_Dpb->num_ref_frames != p_H264_Dpb->mSPS.num_ref_frames) {
		dpb_print(p_H264_Dpb->decoder_index, 0,
		"num_ref_frames change from %d to %d\r\n",
			p_Dpb->num_ref_frames, p_H264_Dpb->mSPS.num_ref_frames);
		p_Dpb->num_ref_frames = p_H264_Dpb->mSPS.num_ref_frames;
	}
	/* if (p_Vid->active_sps != sps) { */
	if (p_H264_Dpb->mDPB.init_done == 0) {
		/*init_global_buffers(p_Vid, 0);
		 *		 ** * *if (!p_Vid->no_output_of_prior_pics_flag)
		 ** * *{
		 ** * *    flush_dpb(p_Vid->p_Dpb_layer[0]);
		 ** * *}
		 ** * *init_dpb(p_Vid, p_Vid->p_Dpb_layer[0], 0);
		 */
		init_dpb(p_H264_Dpb, 0);
	}


	if (new_pic_flag) { /* new picture */
		dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
		"check frame_num gap: cur frame_num %d pre_frame_num %d max_frmae_num %d\r\n",
		currSlice->frame_num,
		p_Vid->pre_frame_num,
		p_Vid->max_frame_num);
		if (p_Vid->recovery_point == 0 &&
			p_Vid->max_frame_num <= FRAME_NUM_MAX_SIZE &&
			currSlice->frame_num != p_Vid->pre_frame_num &&
			currSlice->frame_num !=
			(p_Vid->pre_frame_num + 1) % p_Vid->max_frame_num) {
			struct SPSParameters *active_sps = p_Vid->active_sps;
			/*if (active_sps->
			 *gaps_in_frame_num_value_allowed_flag
			 *== 0) {
			 *  error("An unintentional
			 *  loss of pictures occurs! Exit\n",
			 *  100);
			 *}
			 *if (p_Vid->conceal_mode == 0)
			 */
			 if (active_sps->frame_num_gap_allowed)
				fill_frame_num_gap(p_Vid, currSlice);
			*frame_num_gap = 1;
		}

		if (currSlice->nal_reference_idc) {
			dpb_print(p_H264_Dpb->decoder_index,
				PRINT_FLAG_DPB_DETAIL,
			"nal_reference_idc not 0, set pre_frame_num(%d) to frame_num (%d)\n",
			p_Vid->pre_frame_num, currSlice->frame_num);
			p_Vid->pre_frame_num = currSlice->frame_num;
		}

		decode_poc(&p_H264_Dpb->mVideo, &p_H264_Dpb->mSlice);
		p_H264_Dpb->mVideo.dec_picture = get_new_pic(p_H264_Dpb,
						 p_H264_Dpb->mSlice.structure,
						/*p_Vid->width, p_Vid->height,
						 *  p_Vid->width_cr,
						 *  p_Vid->height_cr,
						 */
						 1);
		if (p_H264_Dpb->mVideo.dec_picture) {
			u32 offset_lo, offset_hi;
			struct DecodedPictureBuffer *p_Dpb =
				&p_H264_Dpb->mDPB;
			struct StorablePicture *p =
				p_H264_Dpb->mVideo.dec_picture;
			init_picture(p_H264_Dpb, &p_H264_Dpb->mSlice,
				p_H264_Dpb->mVideo.dec_picture);
#if 1
			/* rain */
			offset_lo  =
			p_H264_Dpb->dpb_param.l.data[OFFSET_DELIMITER_LO];
			offset_hi  =
			p_H264_Dpb->dpb_param.l.data[OFFSET_DELIMITER_HI];
			p_H264_Dpb->mVideo.dec_picture->offset_delimiter =
				(offset_lo	| offset_hi << 16);
			p_H264_Dpb->mVideo.dec_picture->buf_spec_num  = -1;
			p_H264_Dpb->mVideo.dec_picture->
				colocated_buf_index = -1;
			update_pic_num(p_H264_Dpb);

			if ((currSlice->structure == TOP_FIELD) ||
			    (currSlice->structure == BOTTOM_FIELD)) {
				/* check for frame store with same
				 *   pic_number
				 */
				check_frame_store_same_pic_num(p_Dpb, p,
					currSlice);
			}

			if (p_H264_Dpb->mVideo.dec_picture->buf_spec_num ==
				-1) {
				p_H264_Dpb->mVideo.dec_picture->buf_spec_num =
					get_free_buf_idx(p_H264_Dpb->vdec);
				if (p_H264_Dpb->mVideo.dec_picture->buf_spec_num
					< 0) {
					p_H264_Dpb->buf_alloc_fail = 1;
					p_H264_Dpb->mVideo.dec_picture->
						buf_spec_is_alloced = 0;
				} else
					p_H264_Dpb->mVideo.dec_picture->
						buf_spec_is_alloced = 1;

				if (p_H264_Dpb->mVideo.dec_picture->
					used_for_reference) {
					p_H264_Dpb->mVideo.dec_picture->
						colocated_buf_index =
						allocate_colocate_buf(
							p_H264_Dpb);
				}
			}
#endif
			if (post_picture_early(p_H264_Dpb->vdec,
				p_H264_Dpb->mVideo.dec_picture->buf_spec_num))
				return -1;
		}
	}

	if (p_H264_Dpb->buf_alloc_fail)
		return -1;

	if (p_H264_Dpb->mSlice.slice_type == P_SLICE)
		init_lists_p_slice(&p_H264_Dpb->mSlice);
	else if (p_H264_Dpb->mSlice.slice_type == B_SLICE)
		init_lists_b_slice(&p_H264_Dpb->mSlice);
	else
		init_lists_i_slice(&p_H264_Dpb->mSlice);

	reorder_lists(&p_H264_Dpb->mSlice);

	if (p_H264_Dpb->mSlice.structure == FRAME)
		init_mbaff_lists(p_H264_Dpb, &p_H264_Dpb->mSlice);

	if (new_pic_flag)
		return 1;

	return 0;
}

enum PictureStructure get_cur_slice_picture_struct(
	struct h264_dpb_stru *p_H264_Dpb)
{
	struct Slice *currSlice = &p_H264_Dpb->mSlice;
	return currSlice->structure;
}

static unsigned char is_pic_in_dpb(struct h264_dpb_stru *p_H264_Dpb,
	struct StorablePicture *pic)
{
	unsigned char ret = 0;
	int i;
	struct DecodedPictureBuffer *p_Dpb =
				&p_H264_Dpb->mDPB;
	for (i = 0; i < p_Dpb->used_size; i++) {
		if (p_Dpb->fs[i]->top_field == pic ||
			p_Dpb->fs[i]->bottom_field == pic ||
			p_Dpb->fs[i]->frame == pic) {
			ret = 1;
			break;
		}
	}
	return ret;
}

int dpb_check_ref_list_error(
	struct h264_dpb_stru *p_H264_Dpb)
{
	int i;
	/*int j;*/
	struct Slice *currSlice = &p_H264_Dpb->mSlice;
	/* in first output, ignore ref check */
	if ((p_H264_Dpb->first_insert_frame == FirstInsertFrm_OUT) &&
		(p_H264_Dpb->mVideo.dec_picture) &&
		p_H264_Dpb->first_output_poc > p_H264_Dpb->mVideo.dec_picture->poc) {

		dpb_print(p_H264_Dpb->decoder_index, PRINT_FLAG_DPB_DETAIL,
			"p_H264_Dpb->first_output_poc %d, p_H264_Dpb->mVideo.dec_picture->poc %d\n",
			p_H264_Dpb->first_output_poc, p_H264_Dpb->mVideo.dec_picture->poc);
		return 0;
	}
	if ((currSlice->slice_type != I_SLICE) &&
		(currSlice->slice_type != SI_SLICE)) {
		for (i = 0; i < currSlice->listXsize[0]; i++) {
			/*for (j = i + 1; j < currSlice->listXsize[0]; j++) {
				if(currSlice->listX[0][i]->pic_num ==
					currSlice->listX[0][j]->pic_num)
					return 1;
			}*/
			if (currSlice->listX[0][i] == NULL)
				return 5;
			if (!is_pic_in_dpb(p_H264_Dpb,
				currSlice->listX[0][i]))
				return 1;
			if (currSlice->listX[0][i]->frame &&
				currSlice->listX[0][i]->frame->non_existing)
				return 3;
		}
	}

	if (currSlice->slice_type == B_SLICE) {
		for (i = 0; i < currSlice->listXsize[1]; i++) {
			/*for (j = i + 1; j < currSlice->listXsize[1]; j++) {
				if(currSlice->listX[1][i]->pic_num ==
					currSlice->listX[1][j]->pic_num)
					return 2;
			}
			for (j = 0; j < currSlice->listXsize[0]; j++) {
				if(currSlice->listX[1][i]->pic_num ==
					currSlice->listX[0][j]->pic_num)
					return 3;
			}*/
			if (currSlice->listX[1][i] == NULL)
				return 6;
			if (!is_pic_in_dpb(p_H264_Dpb,
				currSlice->listX[1][i]))
				return 2;
			if (currSlice->listX[1][i]->frame &&
				currSlice->listX[1][i]->frame->non_existing)
				return 4;
#if 0
			if (currSlice->listXsize[0] == 1 &&
				currSlice->listXsize[1] == 1 &&
				currSlice->listX[1][0] ==
				currSlice->listX[0][0])
				return 3;
#endif
		}
	}
	return 0;
}