| #include <linux/kernel.h> |
| #include <linux/types.h> |
| #include <linux/vmalloc.h> |
| #include <linux/mm.h> |
| #include <linux/string.h> |
| |
| #include "aml_h264_parser.h" |
| #include "../utils/get_bits.h" |
| #include "../utils/put_bits.h" |
| #include "../utils/golomb.h" |
| #include "../utils/common.h" |
| #include "utils.h" |
| |
| #define MAX_DELAYED_PIC_COUNT (16) |
| #define MAX_LOG2_MAX_FRAME_NUM (12 + 4) |
| #define MIN_LOG2_MAX_FRAME_NUM (4) |
| #define MAX_SPS_COUNT (32) |
| #define EXTENDED_SAR (255) |
| |
| static const struct rational h264_pixel_aspect[17] = { |
| { 0, 1 }, |
| { 1, 1 }, |
| { 12, 11 }, |
| { 10, 11 }, |
| { 16, 11 }, |
| { 40, 33 }, |
| { 24, 11 }, |
| { 20, 11 }, |
| { 32, 11 }, |
| { 80, 33 }, |
| { 18, 11 }, |
| { 15, 11 }, |
| { 64, 33 }, |
| { 160, 99 }, |
| { 4, 3 }, |
| { 3, 2 }, |
| { 2, 1 }, |
| }; |
| |
| /* maximum number of MBs in the DPB for a given level */ |
| static const int level_max_dpb_mbs[][2] = { |
| { 10, 396 }, |
| { 11, 900 }, |
| { 12, 2376 }, |
| { 13, 2376 }, |
| { 20, 2376 }, |
| { 21, 4752 }, |
| { 22, 8100 }, |
| { 30, 8100 }, |
| { 31, 18000 }, |
| { 32, 20480 }, |
| { 40, 32768 }, |
| { 41, 32768 }, |
| { 42, 34816 }, |
| { 50, 110400 }, |
| { 51, 184320 }, |
| { 52, 184320 }, |
| }; |
| |
| static const u8 default_scaling4[2][16] = { |
| { 6, 13, 20, 28, 13, 20, 28, 32, |
| 20, 28, 32, 37, 28, 32, 37, 42}, |
| { 10, 14, 20, 24, 14, 20, 24, 27, |
| 20, 24, 27, 30, 24, 27, 30, 34 } |
| }; |
| |
| static const u8 default_scaling8[2][64] = { |
| { 6, 10, 13, 16, 18, 23, 25, 27, |
| 10, 11, 16, 18, 23, 25, 27, 29, |
| 13, 16, 18, 23, 25, 27, 29, 31, |
| 16, 18, 23, 25, 27, 29, 31, 33, |
| 18, 23, 25, 27, 29, 31, 33, 36, |
| 23, 25, 27, 29, 31, 33, 36, 38, |
| 25, 27, 29, 31, 33, 36, 38, 40, |
| 27, 29, 31, 33, 36, 38, 40, 42 }, |
| { 9, 13, 15, 17, 19, 21, 22, 24, |
| 13, 13, 17, 19, 21, 22, 24, 25, |
| 15, 17, 19, 21, 22, 24, 25, 27, |
| 17, 19, 21, 22, 24, 25, 27, 28, |
| 19, 21, 22, 24, 25, 27, 28, 30, |
| 21, 22, 24, 25, 27, 28, 30, 32, |
| 22, 24, 25, 27, 28, 30, 32, 33, |
| 24, 25, 27, 28, 30, 32, 33, 35 } |
| }; |
| |
| extern const u8 ff_zigzag_scan[16 + 1]; |
| extern const u8 ff_zigzag_direct[64]; |
| |
| static int decode_scaling_list(struct get_bits_context *gb, |
| u8 *factors, int size, |
| const u8 *jvt_list, |
| const u8 *fallback_list) |
| { |
| int i, last = 8, next = 8; |
| const u8 *scan = size == 16 ? ff_zigzag_scan : ff_zigzag_direct; |
| |
| if (!get_bits1(gb)) /* matrix not written, we use the predicted one */ |
| memcpy(factors, fallback_list, size * sizeof(u8)); |
| else |
| for (i = 0; i < size; i++) { |
| if (next) { |
| int v = get_se_golomb(gb); |
| /*if (v < -128 || v > 127) { //JM19 has not check. |
| pr_err( "delta scale %d is invalid\n", v); |
| return -1; |
| }*/ |
| next = (last + v) & 0xff; |
| } |
| if (!i && !next) { /* matrix not written, we use the preset one */ |
| memcpy(factors, jvt_list, size * sizeof(u8)); |
| break; |
| } |
| last = factors[scan[i]] = next ? next : last; |
| } |
| return 0; |
| } |
| |
| /* returns non zero if the provided SPS scaling matrix has been filled */ |
| static int decode_scaling_matrices(struct get_bits_context *gb, |
| const struct h264_SPS_t *sps, |
| const struct h264_PPS_t *pps, int is_sps, |
| u8(*scaling_matrix4)[16], |
| u8(*scaling_matrix8)[64]) |
| { |
| int ret = 0; |
| int fallback_sps = !is_sps && sps->scaling_matrix_present; |
| const u8 *fallback[4] = { |
| fallback_sps ? sps->scaling_matrix4[0] : default_scaling4[0], |
| fallback_sps ? sps->scaling_matrix4[3] : default_scaling4[1], |
| fallback_sps ? sps->scaling_matrix8[0] : default_scaling8[0], |
| fallback_sps ? sps->scaling_matrix8[3] : default_scaling8[1] |
| }; |
| |
| if (get_bits1(gb)) { |
| ret |= decode_scaling_list(gb, scaling_matrix4[0], 16, default_scaling4[0], fallback[0]); // Intra, Y |
| ret |= decode_scaling_list(gb, scaling_matrix4[1], 16, default_scaling4[0], scaling_matrix4[0]); // Intra, Cr |
| ret |= decode_scaling_list(gb, scaling_matrix4[2], 16, default_scaling4[0], scaling_matrix4[1]); // Intra, Cb |
| ret |= decode_scaling_list(gb, scaling_matrix4[3], 16, default_scaling4[1], fallback[1]); // Inter, Y |
| ret |= decode_scaling_list(gb, scaling_matrix4[4], 16, default_scaling4[1], scaling_matrix4[3]); // Inter, Cr |
| ret |= decode_scaling_list(gb, scaling_matrix4[5], 16, default_scaling4[1], scaling_matrix4[4]); // Inter, Cb |
| if (is_sps || pps->transform_8x8_mode) { |
| ret |= decode_scaling_list(gb, scaling_matrix8[0], 64, default_scaling8[0], fallback[2]); // Intra, Y |
| ret |= decode_scaling_list(gb, scaling_matrix8[3], 64, default_scaling8[1], fallback[3]); // Inter, Y |
| if (sps->chroma_format_idc == 3) { |
| ret |= decode_scaling_list(gb, scaling_matrix8[1], 64, default_scaling8[0], scaling_matrix8[0]); // Intra, Cr |
| ret |= decode_scaling_list(gb, scaling_matrix8[4], 64, default_scaling8[1], scaling_matrix8[3]); // Inter, Cr |
| ret |= decode_scaling_list(gb, scaling_matrix8[2], 64, default_scaling8[0], scaling_matrix8[1]); // Intra, Cb |
| ret |= decode_scaling_list(gb, scaling_matrix8[5], 64, default_scaling8[1], scaling_matrix8[4]); // Inter, Cb |
| } |
| } |
| if (!ret) |
| ret = is_sps; |
| } |
| |
| return ret; |
| } |
| |
| static int decode_hrd_parameters(struct get_bits_context *gb, |
| struct h264_SPS_t *sps) |
| { |
| int cpb_count, i; |
| |
| cpb_count = get_ue_golomb_31(gb) + 1; |
| if (cpb_count > 32U) { |
| v4l_dbg(0, V4L_DEBUG_CODEC_ERROR, |
| "cpb_count %d invalid\n", cpb_count); |
| return -1; |
| } |
| |
| get_bits(gb, 4); /* bit_rate_scale */ |
| get_bits(gb, 4); /* cpb_size_scale */ |
| for (i = 0; i < cpb_count; i++) { |
| get_ue_golomb_long(gb); /* bit_rate_value_minus1 */ |
| get_ue_golomb_long(gb); /* cpb_size_value_minus1 */ |
| get_bits1(gb); /* cbr_flag */ |
| } |
| |
| sps->initial_cpb_removal_delay_length = get_bits(gb, 5) + 1; |
| sps->cpb_removal_delay_length = get_bits(gb, 5) + 1; |
| sps->dpb_output_delay_length = get_bits(gb, 5) + 1; |
| sps->time_offset_length = get_bits(gb, 5); |
| sps->cpb_cnt = cpb_count; |
| |
| return 0; |
| } |
| |
| static int decode_vui_parameters(struct get_bits_context *gb, struct h264_SPS_t *sps) |
| { |
| int aspect_ratio_info_present_flag; |
| u32 aspect_ratio_idc; |
| |
| aspect_ratio_info_present_flag = get_bits1(gb); |
| |
| if (aspect_ratio_info_present_flag) { |
| aspect_ratio_idc = get_bits(gb, 8); |
| if (aspect_ratio_idc == EXTENDED_SAR) { |
| sps->sar.num = get_bits(gb, 16); |
| sps->sar.den = get_bits(gb, 16); |
| } else if (aspect_ratio_idc < ARRAY_SIZE(h264_pixel_aspect)) { |
| sps->sar = h264_pixel_aspect[aspect_ratio_idc]; |
| } else { |
| return -1; |
| } |
| } else { |
| sps->sar.num = |
| sps->sar.den = 0; |
| } |
| |
| if (get_bits1(gb)) /* overscan_info_present_flag */ |
| get_bits1(gb); /* overscan_appropriate_flag */ |
| |
| sps->video_signal_type_present_flag = get_bits1(gb); |
| if (sps->video_signal_type_present_flag) { |
| get_bits(gb, 3); /* video_format */ |
| sps->full_range = get_bits1(gb); /* video_full_range_flag */ |
| |
| sps->colour_description_present_flag = get_bits1(gb); |
| if (sps->colour_description_present_flag) { |
| sps->color_primaries = get_bits(gb, 8); /* colour_primaries */ |
| sps->color_trc = get_bits(gb, 8); /* transfer_characteristics */ |
| sps->colorspace = get_bits(gb, 8); /* matrix_coefficients */ |
| |
| // Set invalid values to "unspecified" |
| if (!av_color_primaries_name(sps->color_primaries)) |
| sps->color_primaries = AVCOL_PRI_UNSPECIFIED; |
| if (!av_color_transfer_name(sps->color_trc)) |
| sps->color_trc = AVCOL_TRC_UNSPECIFIED; |
| if (!av_color_space_name(sps->colorspace)) |
| sps->colorspace = AVCOL_SPC_UNSPECIFIED; |
| } |
| } |
| |
| /* chroma_location_info_present_flag */ |
| if (get_bits1(gb)) { |
| /* chroma_sample_location_type_top_field */ |
| //avctx->chroma_sample_location = get_ue_golomb(gb) + 1; |
| get_ue_golomb(gb); /* chroma_sample_location_type_bottom_field */ |
| } |
| |
| if (show_bits1(gb) && get_bits_left(gb) < 10) { |
| v4l_dbg(0, V4L_DEBUG_CODEC_PARSER, "Truncated VUI\n"); |
| return 0; |
| } |
| |
| sps->timing_info_present_flag = get_bits1(gb); |
| if (sps->timing_info_present_flag) { |
| unsigned num_units_in_tick = get_bits_long(gb, 32); |
| unsigned time_scale = get_bits_long(gb, 32); |
| if (!num_units_in_tick || !time_scale) { |
| v4l_dbg(0, V4L_DEBUG_CODEC_PARSER, |
| "time_scale/num_units_in_tick invalid or unsupported (%u/%u)\n", |
| time_scale, num_units_in_tick); |
| sps->timing_info_present_flag = 0; |
| } else { |
| sps->num_units_in_tick = num_units_in_tick; |
| sps->time_scale = time_scale; |
| } |
| sps->fixed_frame_rate_flag = get_bits1(gb); |
| } |
| |
| sps->nal_hrd_parameters_present_flag = get_bits1(gb); |
| if (sps->nal_hrd_parameters_present_flag) |
| if (decode_hrd_parameters(gb, sps) < 0) |
| return -1; |
| sps->vcl_hrd_parameters_present_flag = get_bits1(gb); |
| if (sps->vcl_hrd_parameters_present_flag) |
| if (decode_hrd_parameters(gb, sps) < 0) |
| return -1; |
| if (sps->nal_hrd_parameters_present_flag || |
| sps->vcl_hrd_parameters_present_flag) |
| get_bits1(gb); /* low_delay_hrd_flag */ |
| sps->pic_struct_present_flag = get_bits1(gb); |
| if (!get_bits_left(gb)) |
| return 0; |
| sps->bitstream_restriction_flag = get_bits1(gb); |
| if (sps->bitstream_restriction_flag) { |
| get_bits1(gb); /* motion_vectors_over_pic_boundaries_flag */ |
| get_ue_golomb(gb); /* max_bytes_per_pic_denom */ |
| get_ue_golomb(gb); /* max_bits_per_mb_denom */ |
| get_ue_golomb(gb); /* log2_max_mv_length_horizontal */ |
| get_ue_golomb(gb); /* log2_max_mv_length_vertical */ |
| sps->num_reorder_frames = get_ue_golomb(gb); |
| sps->max_dec_frame_buffering = get_ue_golomb(gb); /*max_dec_frame_buffering*/ |
| |
| if (get_bits_left(gb) < 0) { |
| sps->num_reorder_frames = 0; |
| sps->bitstream_restriction_flag = 0; |
| } |
| |
| if (sps->num_reorder_frames > 16U |
| /* max_dec_frame_buffering || max_dec_frame_buffering > 16 */) { |
| v4l_dbg(0, V4L_DEBUG_CODEC_ERROR, |
| "Clipping illegal num_reorder_frames %d\n", |
| sps->num_reorder_frames); |
| sps->num_reorder_frames = 16; |
| return -1; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int aml_h264_parser_sps(struct get_bits_context *gb, struct h264_SPS_t *sps) |
| { |
| int ret; |
| u32 sps_id; |
| int profile_idc, level_idc, constraint_set_flags = 0; |
| int i, log2_max_frame_num_minus4; |
| |
| profile_idc = get_bits(gb, 8); |
| constraint_set_flags |= get_bits1(gb) << 0; // constraint_set0_flag |
| constraint_set_flags |= get_bits1(gb) << 1; // constraint_set1_flag |
| constraint_set_flags |= get_bits1(gb) << 2; // constraint_set2_flag |
| constraint_set_flags |= get_bits1(gb) << 3; // constraint_set3_flag |
| constraint_set_flags |= get_bits1(gb) << 4; // constraint_set4_flag |
| constraint_set_flags |= get_bits1(gb) << 5; // constraint_set5_flag |
| skip_bits(gb, 2); // reserved_zero_2bits |
| level_idc = get_bits(gb, 8); |
| sps_id = get_ue_golomb_31(gb); |
| |
| if (sps_id >= MAX_SPS_COUNT) { |
| v4l_dbg(0, V4L_DEBUG_CODEC_ERROR, |
| "sps_id %u out of range\n", sps_id); |
| goto fail; |
| } |
| |
| sps->sps_id = sps_id; |
| sps->time_offset_length = 24; |
| sps->profile_idc = profile_idc; |
| sps->constraint_set_flags = constraint_set_flags; |
| sps->level_idc = level_idc; |
| sps->full_range = -1; |
| |
| memset(sps->scaling_matrix4, 16, sizeof(sps->scaling_matrix4)); |
| memset(sps->scaling_matrix8, 16, sizeof(sps->scaling_matrix8)); |
| sps->scaling_matrix_present = 0; |
| sps->colorspace = 2; //AVCOL_SPC_UNSPECIFIED |
| |
| if (sps->profile_idc == 100 || // High profile |
| sps->profile_idc == 110 || // High10 profile |
| sps->profile_idc == 122 || // High422 profile |
| sps->profile_idc == 244 || // High444 Predictive profile |
| sps->profile_idc == 44 || // Cavlc444 profile |
| sps->profile_idc == 83 || // Scalable Constrained High profile (SVC) |
| sps->profile_idc == 86 || // Scalable High Intra profile (SVC) |
| sps->profile_idc == 118 || // Stereo High profile (MVC) |
| sps->profile_idc == 128 || // Multiview High profile (MVC) |
| sps->profile_idc == 138 || // Multiview Depth High profile (MVCD) |
| sps->profile_idc == 144) { // old High444 profile |
| sps->chroma_format_idc = get_ue_golomb_31(gb); |
| |
| if (sps->chroma_format_idc > 3U) { |
| v4l_dbg(0, V4L_DEBUG_CODEC_ERROR, |
| "chroma_format_idc %u\n", sps->chroma_format_idc); |
| goto fail; |
| } else if (sps->chroma_format_idc == 3) { |
| sps->residual_color_transform_flag = get_bits1(gb); |
| if (sps->residual_color_transform_flag) { |
| v4l_dbg(0, V4L_DEBUG_CODEC_ERROR, |
| "separate color planes are not supported\n"); |
| goto fail; |
| } |
| } |
| |
| sps->bit_depth_luma = get_ue_golomb(gb) + 8; |
| sps->bit_depth_chroma = get_ue_golomb(gb) + 8; |
| if (sps->bit_depth_chroma != sps->bit_depth_luma) { |
| v4l_dbg(0, V4L_DEBUG_CODEC_ERROR, |
| "Different chroma and luma bit depth\n"); |
| goto fail; |
| } |
| |
| if (sps->bit_depth_luma < 8 || sps->bit_depth_luma > 14 || |
| sps->bit_depth_chroma < 8 || sps->bit_depth_chroma > 14) { |
| v4l_dbg(0, V4L_DEBUG_CODEC_ERROR, |
| "illegal bit depth value (%d, %d)\n", |
| sps->bit_depth_luma, sps->bit_depth_chroma); |
| goto fail; |
| } |
| |
| sps->transform_bypass = get_bits1(gb); |
| ret = decode_scaling_matrices(gb, sps, NULL, 1, |
| sps->scaling_matrix4, sps->scaling_matrix8); |
| if (ret < 0) |
| goto fail; |
| sps->scaling_matrix_present |= ret; |
| } else { |
| sps->chroma_format_idc = 1; |
| sps->bit_depth_luma = 8; |
| sps->bit_depth_chroma = 8; |
| } |
| |
| log2_max_frame_num_minus4 = get_ue_golomb(gb); |
| if (log2_max_frame_num_minus4 < MIN_LOG2_MAX_FRAME_NUM - 4 || |
| log2_max_frame_num_minus4 > MAX_LOG2_MAX_FRAME_NUM - 4) { |
| v4l_dbg(0, V4L_DEBUG_CODEC_ERROR, |
| "log2_max_frame_num_minus4 out of range (0-12): %d\n", |
| log2_max_frame_num_minus4); |
| goto fail; |
| } |
| sps->log2_max_frame_num = log2_max_frame_num_minus4 + 4; |
| |
| sps->poc_type = get_ue_golomb_31(gb); |
| if (sps->poc_type == 0) { // FIXME #define |
| u32 t = get_ue_golomb(gb); |
| if (t > 12) { |
| v4l_dbg(0, V4L_DEBUG_CODEC_ERROR, |
| "log2_max_poc_lsb (%d) is out of range\n", t); |
| goto fail; |
| } |
| sps->log2_max_poc_lsb = t + 4; |
| } else if (sps->poc_type == 1) { // FIXME #define |
| sps->delta_pic_order_always_zero_flag = get_bits1(gb); |
| sps->offset_for_non_ref_pic = get_se_golomb_long(gb); |
| sps->offset_for_top_to_bottom_field = get_se_golomb_long(gb); |
| |
| sps->poc_cycle_length = get_ue_golomb(gb); |
| if ((u32)sps->poc_cycle_length >= ARRAY_SIZE(sps->offset_for_ref_frame)) { |
| v4l_dbg(0, V4L_DEBUG_CODEC_ERROR, |
| "poc_cycle_length overflow %d\n", sps->poc_cycle_length); |
| goto fail; |
| } |
| |
| for (i = 0; i < sps->poc_cycle_length; i++) |
| sps->offset_for_ref_frame[i] = get_se_golomb_long(gb); |
| } else if (sps->poc_type != 2) { |
| v4l_dbg(0, V4L_DEBUG_CODEC_ERROR, |
| "illegal POC type %d\n", sps->poc_type); |
| goto fail; |
| } |
| |
| sps->ref_frame_count = get_ue_golomb_31(gb); |
| if (sps->ref_frame_count > MAX_DELAYED_PIC_COUNT) { |
| v4l_dbg(0, V4L_DEBUG_CODEC_ERROR, |
| "too many reference frames %d\n", sps->ref_frame_count); |
| goto fail; |
| } |
| sps->gaps_in_frame_num_allowed_flag = get_bits1(gb); |
| sps->mb_width = get_ue_golomb(gb) + 1; |
| sps->mb_height = get_ue_golomb(gb) + 1; |
| |
| sps->frame_mbs_only_flag = get_bits1(gb); |
| |
| if (sps->mb_height >= INT_MAX / 2U) { |
| v4l_dbg(0, V4L_DEBUG_CODEC_ERROR, "height overflow\n"); |
| goto fail; |
| } |
| sps->mb_height *= 2 - sps->frame_mbs_only_flag; |
| |
| if (!sps->frame_mbs_only_flag) |
| sps->mb_aff = get_bits1(gb); |
| else |
| sps->mb_aff = 0; |
| |
| if ((u32)sps->mb_width >= INT_MAX / 16 || |
| (u32)sps->mb_height >= INT_MAX / 16) { |
| v4l_dbg(0, V4L_DEBUG_CODEC_ERROR, |
| "mb_width/height overflow\n"); |
| goto fail; |
| } |
| |
| sps->direct_8x8_inference_flag = get_bits1(gb); |
| |
| sps->crop = get_bits1(gb); |
| if (sps->crop) { |
| u32 crop_left = get_ue_golomb(gb); |
| u32 crop_right = get_ue_golomb(gb); |
| u32 crop_top = get_ue_golomb(gb); |
| u32 crop_bottom = get_ue_golomb(gb); |
| int width = 16 * sps->mb_width; |
| int height = 16 * sps->mb_height; |
| int vsub = (sps->chroma_format_idc == 1) ? 1 : 0; |
| int hsub = (sps->chroma_format_idc == 1 || sps->chroma_format_idc == 2) ? 1 : 0; |
| int step_x = 1 << hsub; |
| int step_y = (2 - sps->frame_mbs_only_flag) << vsub; |
| |
| if (crop_left > (u32)INT_MAX / 4 / step_x || |
| crop_right > (u32)INT_MAX / 4 / step_x || |
| crop_top > (u32)INT_MAX / 4 / step_y || |
| crop_bottom > (u32)INT_MAX / 4 / step_y || |
| (crop_left + crop_right ) * step_x >= width || |
| (crop_top + crop_bottom) * step_y >= height) { |
| v4l_dbg(0, V4L_DEBUG_CODEC_ERROR, |
| "crop values invalid %u %u %u %u / %d %d\n", |
| crop_left, crop_right, crop_top, crop_bottom, width, height); |
| goto fail; |
| } |
| |
| sps->crop_left = crop_left * step_x; |
| sps->crop_right = crop_right * step_x; |
| sps->crop_top = crop_top * step_y; |
| sps->crop_bottom = crop_bottom * step_y; |
| } else { |
| sps->crop_left = |
| sps->crop_right = |
| sps->crop_top = |
| sps->crop_bottom = |
| sps->crop = 0; |
| } |
| |
| sps->vui_parameters_present_flag = get_bits1(gb); |
| if (sps->vui_parameters_present_flag) { |
| int ret = decode_vui_parameters(gb, sps); |
| if (ret < 0) |
| goto fail; |
| } |
| |
| if (get_bits_left(gb) < 0) { |
| v4l_dbg(0, V4L_DEBUG_CODEC_ERROR, |
| "Overread %s by %d bits\n", |
| sps->vui_parameters_present_flag ? "VUI" : "SPS", -get_bits_left(gb)); |
| /*goto out;*/ |
| } |
| |
| #if 0 |
| /* if the maximum delay is not stored in the SPS, derive it based on the level */ |
| if (!sps->bitstream_restriction_flag && sps->ref_frame_count) { |
| sps->num_reorder_frames = MAX_DELAYED_PIC_COUNT - 1; |
| for (i = 0; i < ARRAY_SIZE(level_max_dpb_mbs); i++) { |
| if (level_max_dpb_mbs[i][0] == sps->level_idc) { |
| sps->num_reorder_frames = |
| MIN(level_max_dpb_mbs[i][1] / (sps->mb_width * sps->mb_height), |
| sps->num_reorder_frames); |
| break; |
| } |
| } |
| } |
| #endif |
| |
| sps->num_reorder_frames = MAX_DELAYED_PIC_COUNT - 1; |
| for (i = 0; i < ARRAY_SIZE(level_max_dpb_mbs); i++) { |
| if (level_max_dpb_mbs[i][0] == sps->level_idc) { |
| sps->num_reorder_frames = |
| MIN(level_max_dpb_mbs[i][1] / (sps->mb_width * sps->mb_height), |
| sps->num_reorder_frames); |
| sps->num_reorder_frames += 1; |
| if (sps->max_dec_frame_buffering > sps->num_reorder_frames) |
| sps->num_reorder_frames = sps->max_dec_frame_buffering; |
| break; |
| } |
| } |
| |
| if ((sps->bitstream_restriction_flag) && |
| (sps->max_dec_frame_buffering < |
| sps->num_reorder_frames)) { |
| sps->num_reorder_frames = sps->max_dec_frame_buffering; |
| v4l_dbg(0, V4L_DEBUG_CODEC_PARSER, |
| "set reorder_pic_num to %d\n", |
| sps->num_reorder_frames); |
| } |
| |
| if (!sps->sar.den) |
| sps->sar.den = 1; |
| /*out:*/ |
| if (1) { |
| static const char csp[4][5] = { "Gray", "420", "422", "444" }; |
| v4l_dbg(0, V4L_DEBUG_CODEC_PARSER, |
| "sps:%u profile:%d/%d poc:%d ref:%d %dx%d %s %s crop:%u/%u/%u/%u %s %s %d/%d b%d reo:%d\n", |
| sps_id, sps->profile_idc, sps->level_idc, |
| sps->poc_type, |
| sps->ref_frame_count, |
| sps->mb_width, sps->mb_height, |
| sps->frame_mbs_only_flag ? "FRM" : (sps->mb_aff ? "MB-AFF" : "PIC-AFF"), |
| sps->direct_8x8_inference_flag ? "8B8" : "", |
| sps->crop_left, sps->crop_right, |
| sps->crop_top, sps->crop_bottom, |
| sps->vui_parameters_present_flag ? "VUI" : "", |
| csp[sps->chroma_format_idc], |
| sps->timing_info_present_flag ? sps->num_units_in_tick : 0, |
| sps->timing_info_present_flag ? sps->time_scale : 0, |
| sps->bit_depth_luma, |
| sps->bitstream_restriction_flag ? sps->num_reorder_frames : -1); |
| } |
| |
| return 0; |
| |
| fail: |
| return -1; |
| } |
| |
| static const char *h264_nal_type_name[32] = { |
| "Unspecified 0", //H264_NAL_UNSPECIFIED |
| "Coded slice of a non-IDR picture", // H264_NAL_SLICE |
| "Coded slice data partition A", // H264_NAL_DPA |
| "Coded slice data partition B", // H264_NAL_DPB |
| "Coded slice data partition C", // H264_NAL_DPC |
| "IDR", // H264_NAL_IDR_SLICE |
| "SEI", // H264_NAL_SEI |
| "SPS", // H264_NAL_SPS |
| "PPS", // H264_NAL_PPS |
| "AUD", // H264_NAL_AUD |
| "End of sequence", // H264_NAL_END_SEQUENCE |
| "End of stream", // H264_NAL_END_STREAM |
| "Filler data", // H264_NAL_FILLER_DATA |
| "SPS extension", // H264_NAL_SPS_EXT |
| "Prefix", // H264_NAL_PREFIX |
| "Subset SPS", // H264_NAL_SUB_SPS |
| "Depth parameter set", // H264_NAL_DPS |
| "Reserved 17", // H264_NAL_RESERVED17 |
| "Reserved 18", // H264_NAL_RESERVED18 |
| "Auxiliary coded picture without partitioning", // H264_NAL_AUXILIARY_SLICE |
| "Slice extension", // H264_NAL_EXTEN_SLICE |
| "Slice extension for a depth view or a 3D-AVC texture view", // H264_NAL_DEPTH_EXTEN_SLICE |
| "Reserved 22", // H264_NAL_RESERVED22 |
| "Reserved 23", // H264_NAL_RESERVED23 |
| "Unspecified 24", // H264_NAL_UNSPECIFIED24 |
| "Unspecified 25", // H264_NAL_UNSPECIFIED25 |
| "Unspecified 26", // H264_NAL_UNSPECIFIED26 |
| "Unspecified 27", // H264_NAL_UNSPECIFIED27 |
| "Unspecified 28", // H264_NAL_UNSPECIFIED28 |
| "Unspecified 29", // H264_NAL_UNSPECIFIED29 |
| "Unspecified 30", // H264_NAL_UNSPECIFIED30 |
| "Unspecified 31", // H264_NAL_UNSPECIFIED31 |
| }; |
| |
| static const char *h264_nal_unit_name(int nal_type) |
| { |
| return h264_nal_type_name[nal_type]; |
| } |
| |
| static int decode_extradata_ps(u8 *data, int size, struct h264_param_sets *ps) |
| { |
| int ret = 0; |
| struct get_bits_context gb; |
| u32 src_len, rbsp_size = 0; |
| u8 *rbsp_buf = NULL; |
| int ref_idc, nalu_pos; |
| u32 nal_type; |
| u8 *p = data; |
| u32 len = size; |
| |
| nalu_pos = find_start_code(p, len); |
| if (nalu_pos < 0) |
| return -1; |
| |
| src_len = calc_nal_len(p + nalu_pos, size - nalu_pos); |
| rbsp_buf = nal_unit_extract_rbsp(p + nalu_pos, src_len, &rbsp_size); |
| if (rbsp_buf == NULL) |
| return -ENOMEM; |
| |
| ret = init_get_bits8(&gb, rbsp_buf, rbsp_size); |
| if (ret < 0) |
| goto out; |
| |
| if (get_bits1(&gb) != 0) { |
| ret = -1; |
| v4l_dbg(0, V4L_DEBUG_CODEC_ERROR, |
| "invalid h264 data,return!\n"); |
| goto out; |
| } |
| |
| ref_idc = get_bits(&gb, 2); |
| nal_type = get_bits(&gb, 5); |
| |
| v4l_dbg(0, V4L_DEBUG_CODEC_PARSER, |
| "nal_unit_type: %d(%s), nal_ref_idc: %d\n", |
| nal_type, h264_nal_unit_name(nal_type), ref_idc); |
| |
| switch (nal_type) { |
| case H264_NAL_SPS: |
| ret = aml_h264_parser_sps(&gb, &ps->sps); |
| if (ret < 0) |
| goto out; |
| ps->sps_parsed = true; |
| break; |
| /*case H264_NAL_PPS: |
| ret = ff_h264_decode_picture_parameter_set(&gb, &ps->pps, rbsp_size); |
| if (ret < 0) |
| goto fail; |
| ps->pps_parsed = true; |
| break;*/ |
| default: |
| v4l_dbg(0, V4L_DEBUG_CODEC_ERROR, |
| "Unsupport parser nal type (%s).\n", |
| h264_nal_unit_name(nal_type)); |
| break; |
| } |
| |
| out: |
| vfree(rbsp_buf); |
| |
| return ret; |
| } |
| |
| int h264_decode_extradata_ps(u8 *buf, int size, struct h264_param_sets *ps) |
| { |
| int ret = 0, i = 0, j = 0; |
| u8 *p = buf; |
| int len = size; |
| |
| for (i = 4; i < size; i++) { |
| j = find_start_code(p, len); |
| if (j > 0) { |
| len = size - (p - buf); |
| ret = decode_extradata_ps(p, len, ps); |
| if (ret) { |
| v4l_dbg(0, V4L_DEBUG_CODEC_ERROR, |
| "parse extra data failed. err: %d\n", ret); |
| return ret; |
| } |
| |
| if (ps->sps_parsed) |
| break; |
| |
| p += j; |
| } |
| p++; |
| } |
| |
| return ret; |
| } |
| |
| |
