| /* |
| * H.26L/H.264/AVC/JVT/14496-10/... decoder |
| * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "svq3.h" |
| |
| #undef FUNC |
| #undef PIXEL_SHIFT |
| |
| #if SIMPLE |
| # define FUNC(n) AV_JOIN(n ## _simple_, BITS) |
| # define PIXEL_SHIFT (BITS >> 4) |
| #else |
| # define FUNC(n) n ## _complex |
| # define PIXEL_SHIFT h->pixel_shift |
| #endif |
| |
| #undef CHROMA_IDC |
| #define CHROMA_IDC 1 |
| #include "h264_mc_template.c" |
| |
| #undef CHROMA_IDC |
| #define CHROMA_IDC 2 |
| #include "h264_mc_template.c" |
| |
| static av_noinline void FUNC(hl_decode_mb)(const H264Context *h, H264SliceContext *sl) |
| { |
| const int mb_x = sl->mb_x; |
| const int mb_y = sl->mb_y; |
| const int mb_xy = sl->mb_xy; |
| const int mb_type = h->cur_pic.mb_type[mb_xy]; |
| uint8_t *dest_y, *dest_cb, *dest_cr; |
| int linesize, uvlinesize /*dct_offset*/; |
| int i, j; |
| const int *block_offset = &h->block_offset[0]; |
| const int transform_bypass = !SIMPLE && (sl->qscale == 0 && h->sps.transform_bypass); |
| /* is_h264 should always be true if SVQ3 is disabled. */ |
| const int is_h264 = !CONFIG_SVQ3_DECODER || SIMPLE || h->avctx->codec_id == AV_CODEC_ID_H264; |
| void (*idct_add)(uint8_t *dst, int16_t *block, int stride); |
| const int block_h = 16 >> h->chroma_y_shift; |
| const int chroma422 = CHROMA422(h); |
| |
| dest_y = h->cur_pic.f->data[0] + ((mb_x << PIXEL_SHIFT) + mb_y * sl->linesize) * 16; |
| dest_cb = h->cur_pic.f->data[1] + (mb_x << PIXEL_SHIFT) * 8 + mb_y * sl->uvlinesize * block_h; |
| dest_cr = h->cur_pic.f->data[2] + (mb_x << PIXEL_SHIFT) * 8 + mb_y * sl->uvlinesize * block_h; |
| |
| h->vdsp.prefetch(dest_y + (sl->mb_x & 3) * 4 * sl->linesize + (64 << PIXEL_SHIFT), sl->linesize, 4); |
| h->vdsp.prefetch(dest_cb + (sl->mb_x & 7) * sl->uvlinesize + (64 << PIXEL_SHIFT), dest_cr - dest_cb, 2); |
| |
| h->list_counts[mb_xy] = sl->list_count; |
| |
| if (!SIMPLE && MB_FIELD(sl)) { |
| linesize = sl->mb_linesize = sl->linesize * 2; |
| uvlinesize = sl->mb_uvlinesize = sl->uvlinesize * 2; |
| block_offset = &h->block_offset[48]; |
| if (mb_y & 1) { // FIXME move out of this function? |
| dest_y -= sl->linesize * 15; |
| dest_cb -= sl->uvlinesize * (block_h - 1); |
| dest_cr -= sl->uvlinesize * (block_h - 1); |
| } |
| if (FRAME_MBAFF(h)) { |
| int list; |
| for (list = 0; list < sl->list_count; list++) { |
| if (!USES_LIST(mb_type, list)) |
| continue; |
| if (IS_16X16(mb_type)) { |
| int8_t *ref = &sl->ref_cache[list][scan8[0]]; |
| fill_rectangle(ref, 4, 4, 8, (16 + *ref) ^ (sl->mb_y & 1), 1); |
| } else { |
| for (i = 0; i < 16; i += 4) { |
| int ref = sl->ref_cache[list][scan8[i]]; |
| if (ref >= 0) |
| fill_rectangle(&sl->ref_cache[list][scan8[i]], 2, 2, |
| 8, (16 + ref) ^ (sl->mb_y & 1), 1); |
| } |
| } |
| } |
| } |
| } else { |
| linesize = sl->mb_linesize = sl->linesize; |
| uvlinesize = sl->mb_uvlinesize = sl->uvlinesize; |
| // dct_offset = s->linesize * 16; |
| } |
| |
| if (!SIMPLE && IS_INTRA_PCM(mb_type)) { |
| const int bit_depth = h->sps.bit_depth_luma; |
| if (PIXEL_SHIFT) { |
| int j; |
| GetBitContext gb; |
| init_get_bits(&gb, sl->intra_pcm_ptr, |
| ff_h264_mb_sizes[h->sps.chroma_format_idc] * bit_depth); |
| |
| for (i = 0; i < 16; i++) { |
| uint16_t *tmp_y = (uint16_t *)(dest_y + i * linesize); |
| for (j = 0; j < 16; j++) |
| tmp_y[j] = get_bits(&gb, bit_depth); |
| } |
| if (SIMPLE || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) { |
| if (!h->sps.chroma_format_idc) { |
| for (i = 0; i < block_h; i++) { |
| uint16_t *tmp_cb = (uint16_t *)(dest_cb + i * uvlinesize); |
| uint16_t *tmp_cr = (uint16_t *)(dest_cr + i * uvlinesize); |
| for (j = 0; j < 8; j++) { |
| tmp_cb[j] = tmp_cr[j] = 1 << (bit_depth - 1); |
| } |
| } |
| } else { |
| for (i = 0; i < block_h; i++) { |
| uint16_t *tmp_cb = (uint16_t *)(dest_cb + i * uvlinesize); |
| for (j = 0; j < 8; j++) |
| tmp_cb[j] = get_bits(&gb, bit_depth); |
| } |
| for (i = 0; i < block_h; i++) { |
| uint16_t *tmp_cr = (uint16_t *)(dest_cr + i * uvlinesize); |
| for (j = 0; j < 8; j++) |
| tmp_cr[j] = get_bits(&gb, bit_depth); |
| } |
| } |
| } |
| } else { |
| for (i = 0; i < 16; i++) |
| memcpy(dest_y + i * linesize, sl->intra_pcm_ptr + i * 16, 16); |
| if (SIMPLE || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) { |
| if (!h->sps.chroma_format_idc) { |
| for (i = 0; i < 8; i++) { |
| memset(dest_cb + i * uvlinesize, 1 << (bit_depth - 1), 8); |
| memset(dest_cr + i * uvlinesize, 1 << (bit_depth - 1), 8); |
| } |
| } else { |
| const uint8_t *src_cb = sl->intra_pcm_ptr + 256; |
| const uint8_t *src_cr = sl->intra_pcm_ptr + 256 + block_h * 8; |
| for (i = 0; i < block_h; i++) { |
| memcpy(dest_cb + i * uvlinesize, src_cb + i * 8, 8); |
| memcpy(dest_cr + i * uvlinesize, src_cr + i * 8, 8); |
| } |
| } |
| } |
| } |
| } else { |
| if (IS_INTRA(mb_type)) { |
| if (sl->deblocking_filter) |
| xchg_mb_border(h, sl, dest_y, dest_cb, dest_cr, linesize, |
| uvlinesize, 1, 0, SIMPLE, PIXEL_SHIFT); |
| |
| if (SIMPLE || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) { |
| h->hpc.pred8x8[sl->chroma_pred_mode](dest_cb, uvlinesize); |
| h->hpc.pred8x8[sl->chroma_pred_mode](dest_cr, uvlinesize); |
| } |
| |
| hl_decode_mb_predict_luma(h, sl, mb_type, is_h264, SIMPLE, |
| transform_bypass, PIXEL_SHIFT, |
| block_offset, linesize, dest_y, 0); |
| |
| if (sl->deblocking_filter) |
| xchg_mb_border(h, sl, dest_y, dest_cb, dest_cr, linesize, |
| uvlinesize, 0, 0, SIMPLE, PIXEL_SHIFT); |
| } else if (is_h264) { |
| if (chroma422) { |
| FUNC(hl_motion_422)(h, sl, dest_y, dest_cb, dest_cr, |
| h->qpel_put, h->h264chroma.put_h264_chroma_pixels_tab, |
| h->qpel_avg, h->h264chroma.avg_h264_chroma_pixels_tab, |
| h->h264dsp.weight_h264_pixels_tab, |
| h->h264dsp.biweight_h264_pixels_tab); |
| } else { |
| FUNC(hl_motion_420)(h, sl, dest_y, dest_cb, dest_cr, |
| h->qpel_put, h->h264chroma.put_h264_chroma_pixels_tab, |
| h->qpel_avg, h->h264chroma.avg_h264_chroma_pixels_tab, |
| h->h264dsp.weight_h264_pixels_tab, |
| h->h264dsp.biweight_h264_pixels_tab); |
| } |
| } |
| |
| hl_decode_mb_idct_luma(h, sl, mb_type, is_h264, SIMPLE, transform_bypass, |
| PIXEL_SHIFT, block_offset, linesize, dest_y, 0); |
| |
| if ((SIMPLE || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) && |
| (sl->cbp & 0x30)) { |
| uint8_t *dest[2] = { dest_cb, dest_cr }; |
| if (transform_bypass) { |
| if (IS_INTRA(mb_type) && h->sps.profile_idc == 244 && |
| (sl->chroma_pred_mode == VERT_PRED8x8 || |
| sl->chroma_pred_mode == HOR_PRED8x8)) { |
| h->hpc.pred8x8_add[sl->chroma_pred_mode](dest[0], |
| block_offset + 16, |
| sl->mb + (16 * 16 * 1 << PIXEL_SHIFT), |
| uvlinesize); |
| h->hpc.pred8x8_add[sl->chroma_pred_mode](dest[1], |
| block_offset + 32, |
| sl->mb + (16 * 16 * 2 << PIXEL_SHIFT), |
| uvlinesize); |
| } else { |
| idct_add = h->h264dsp.h264_add_pixels4_clear; |
| for (j = 1; j < 3; j++) { |
| for (i = j * 16; i < j * 16 + 4; i++) |
| if (sl->non_zero_count_cache[scan8[i]] || |
| dctcoef_get(sl->mb, PIXEL_SHIFT, i * 16)) |
| idct_add(dest[j - 1] + block_offset[i], |
| sl->mb + (i * 16 << PIXEL_SHIFT), |
| uvlinesize); |
| if (chroma422) { |
| for (i = j * 16 + 4; i < j * 16 + 8; i++) |
| if (sl->non_zero_count_cache[scan8[i + 4]] || |
| dctcoef_get(sl->mb, PIXEL_SHIFT, i * 16)) |
| idct_add(dest[j - 1] + block_offset[i + 4], |
| sl->mb + (i * 16 << PIXEL_SHIFT), |
| uvlinesize); |
| } |
| } |
| } |
| } else { |
| if (is_h264) { |
| int qp[2]; |
| if (chroma422) { |
| qp[0] = sl->chroma_qp[0] + 3; |
| qp[1] = sl->chroma_qp[1] + 3; |
| } else { |
| qp[0] = sl->chroma_qp[0]; |
| qp[1] = sl->chroma_qp[1]; |
| } |
| if (sl->non_zero_count_cache[scan8[CHROMA_DC_BLOCK_INDEX + 0]]) |
| h->h264dsp.h264_chroma_dc_dequant_idct(sl->mb + (16 * 16 * 1 << PIXEL_SHIFT), |
| h->dequant4_coeff[IS_INTRA(mb_type) ? 1 : 4][qp[0]][0]); |
| if (sl->non_zero_count_cache[scan8[CHROMA_DC_BLOCK_INDEX + 1]]) |
| h->h264dsp.h264_chroma_dc_dequant_idct(sl->mb + (16 * 16 * 2 << PIXEL_SHIFT), |
| h->dequant4_coeff[IS_INTRA(mb_type) ? 2 : 5][qp[1]][0]); |
| h->h264dsp.h264_idct_add8(dest, block_offset, |
| sl->mb, uvlinesize, |
| sl->non_zero_count_cache); |
| } else if (CONFIG_SVQ3_DECODER) { |
| h->h264dsp.h264_chroma_dc_dequant_idct(sl->mb + 16 * 16 * 1, |
| h->dequant4_coeff[IS_INTRA(mb_type) ? 1 : 4][sl->chroma_qp[0]][0]); |
| h->h264dsp.h264_chroma_dc_dequant_idct(sl->mb + 16 * 16 * 2, |
| h->dequant4_coeff[IS_INTRA(mb_type) ? 2 : 5][sl->chroma_qp[1]][0]); |
| for (j = 1; j < 3; j++) { |
| for (i = j * 16; i < j * 16 + 4; i++) |
| if (sl->non_zero_count_cache[scan8[i]] || sl->mb[i * 16]) { |
| uint8_t *const ptr = dest[j - 1] + block_offset[i]; |
| ff_svq3_add_idct_c(ptr, sl->mb + i * 16, |
| uvlinesize, |
| ff_h264_chroma_qp[0][sl->qscale + 12] - 12, 2); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| #if !SIMPLE || BITS == 8 |
| |
| #undef CHROMA_IDC |
| #define CHROMA_IDC 3 |
| #include "h264_mc_template.c" |
| |
| static av_noinline void FUNC(hl_decode_mb_444)(const H264Context *h, H264SliceContext *sl) |
| { |
| const int mb_x = sl->mb_x; |
| const int mb_y = sl->mb_y; |
| const int mb_xy = sl->mb_xy; |
| const int mb_type = h->cur_pic.mb_type[mb_xy]; |
| uint8_t *dest[3]; |
| int linesize; |
| int i, j, p; |
| const int *block_offset = &h->block_offset[0]; |
| const int transform_bypass = !SIMPLE && (sl->qscale == 0 && h->sps.transform_bypass); |
| const int plane_count = (SIMPLE || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) ? 3 : 1; |
| |
| for (p = 0; p < plane_count; p++) { |
| dest[p] = h->cur_pic.f->data[p] + |
| ((mb_x << PIXEL_SHIFT) + mb_y * sl->linesize) * 16; |
| h->vdsp.prefetch(dest[p] + (sl->mb_x & 3) * 4 * sl->linesize + (64 << PIXEL_SHIFT), |
| sl->linesize, 4); |
| } |
| |
| h->list_counts[mb_xy] = sl->list_count; |
| |
| if (!SIMPLE && MB_FIELD(sl)) { |
| linesize = sl->mb_linesize = sl->mb_uvlinesize = sl->linesize * 2; |
| block_offset = &h->block_offset[48]; |
| if (mb_y & 1) // FIXME move out of this function? |
| for (p = 0; p < 3; p++) |
| dest[p] -= sl->linesize * 15; |
| if (FRAME_MBAFF(h)) { |
| int list; |
| for (list = 0; list < sl->list_count; list++) { |
| if (!USES_LIST(mb_type, list)) |
| continue; |
| if (IS_16X16(mb_type)) { |
| int8_t *ref = &sl->ref_cache[list][scan8[0]]; |
| fill_rectangle(ref, 4, 4, 8, (16 + *ref) ^ (sl->mb_y & 1), 1); |
| } else { |
| for (i = 0; i < 16; i += 4) { |
| int ref = sl->ref_cache[list][scan8[i]]; |
| if (ref >= 0) |
| fill_rectangle(&sl->ref_cache[list][scan8[i]], 2, 2, |
| 8, (16 + ref) ^ (sl->mb_y & 1), 1); |
| } |
| } |
| } |
| } |
| } else { |
| linesize = sl->mb_linesize = sl->mb_uvlinesize = sl->linesize; |
| } |
| |
| if (!SIMPLE && IS_INTRA_PCM(mb_type)) { |
| if (PIXEL_SHIFT) { |
| const int bit_depth = h->sps.bit_depth_luma; |
| GetBitContext gb; |
| init_get_bits(&gb, sl->intra_pcm_ptr, 768 * bit_depth); |
| |
| for (p = 0; p < plane_count; p++) |
| for (i = 0; i < 16; i++) { |
| uint16_t *tmp = (uint16_t *)(dest[p] + i * linesize); |
| for (j = 0; j < 16; j++) |
| tmp[j] = get_bits(&gb, bit_depth); |
| } |
| } else { |
| for (p = 0; p < plane_count; p++) |
| for (i = 0; i < 16; i++) |
| memcpy(dest[p] + i * linesize, |
| sl->intra_pcm_ptr + p * 256 + i * 16, 16); |
| } |
| } else { |
| if (IS_INTRA(mb_type)) { |
| if (sl->deblocking_filter) |
| xchg_mb_border(h, sl, dest[0], dest[1], dest[2], linesize, |
| linesize, 1, 1, SIMPLE, PIXEL_SHIFT); |
| |
| for (p = 0; p < plane_count; p++) |
| hl_decode_mb_predict_luma(h, sl, mb_type, 1, SIMPLE, |
| transform_bypass, PIXEL_SHIFT, |
| block_offset, linesize, dest[p], p); |
| |
| if (sl->deblocking_filter) |
| xchg_mb_border(h, sl, dest[0], dest[1], dest[2], linesize, |
| linesize, 0, 1, SIMPLE, PIXEL_SHIFT); |
| } else { |
| FUNC(hl_motion_444)(h, sl, dest[0], dest[1], dest[2], |
| h->qpel_put, h->h264chroma.put_h264_chroma_pixels_tab, |
| h->qpel_avg, h->h264chroma.avg_h264_chroma_pixels_tab, |
| h->h264dsp.weight_h264_pixels_tab, |
| h->h264dsp.biweight_h264_pixels_tab); |
| } |
| |
| for (p = 0; p < plane_count; p++) |
| hl_decode_mb_idct_luma(h, sl, mb_type, 1, SIMPLE, transform_bypass, |
| PIXEL_SHIFT, block_offset, linesize, |
| dest[p], p); |
| } |
| } |
| |
| #endif |
