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Side by Side Diff: patched-ffmpeg-mt/libavcodec/vaapi_h264.c

Issue 789004: ffmpeg roll of source to mar 9 version... (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/ffmpeg/
Patch Set: '' Created 10 years, 9 months ago
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1 /* 1 /*
2 * H.264 HW decode acceleration through VA API 2 * H.264 HW decode acceleration through VA API
3 * 3 *
4 * Copyright (C) 2008-2009 Splitted-Desktop Systems 4 * Copyright (C) 2008-2009 Splitted-Desktop Systems
5 * 5 *
6 * This file is part of FFmpeg. 6 * This file is part of FFmpeg.
7 * 7 *
8 * FFmpeg is free software; you can redistribute it and/or 8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public 9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either 10 * License as published by the Free Software Foundation; either
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191 { 191 {
192 unsigned int i, j; 192 unsigned int i, j;
193 193
194 *luma_weight_flag = h->luma_weight_flag[list]; 194 *luma_weight_flag = h->luma_weight_flag[list];
195 *chroma_weight_flag = h->chroma_weight_flag[list]; 195 *chroma_weight_flag = h->chroma_weight_flag[list];
196 196
197 for (i = 0; i < h->ref_count[list]; i++) { 197 for (i = 0; i < h->ref_count[list]; i++) {
198 /* VA API also wants the inferred (default) values, not 198 /* VA API also wants the inferred (default) values, not
199 only what is available in the bitstream (7.4.3.2). */ 199 only what is available in the bitstream (7.4.3.2). */
200 if (h->luma_weight_flag[list]) { 200 if (h->luma_weight_flag[list]) {
201 luma_weight[i] = h->luma_weight[list][i]; 201 luma_weight[i] = h->luma_weight[i][list][0];
202 luma_offset[i] = h->luma_offset[list][i]; 202 luma_offset[i] = h->luma_weight[i][list][1];
203 } else { 203 } else {
204 luma_weight[i] = 1 << h->luma_log2_weight_denom; 204 luma_weight[i] = 1 << h->luma_log2_weight_denom;
205 luma_offset[i] = 0; 205 luma_offset[i] = 0;
206 } 206 }
207 for (j = 0; j < 2; j++) { 207 for (j = 0; j < 2; j++) {
208 if (h->chroma_weight_flag[list]) { 208 if (h->chroma_weight_flag[list]) {
209 chroma_weight[i][j] = h->chroma_weight[list][i][j]; 209 chroma_weight[i][j] = h->chroma_weight[i][list][j][0];
210 chroma_offset[i][j] = h->chroma_offset[list][i][j]; 210 chroma_offset[i][j] = h->chroma_weight[i][list][j][1];
211 } else { 211 } else {
212 chroma_weight[i][j] = 1 << h->chroma_log2_weight_denom; 212 chroma_weight[i][j] = 1 << h->chroma_log2_weight_denom;
213 chroma_offset[i][j] = 0; 213 chroma_offset[i][j] = 0;
214 } 214 }
215 } 215 }
216 } 216 }
217 } 217 }
218 218
219 /** Initializes and starts decoding a frame with VA API. */ 219 /** Initializes and starts decoding a frame with VA API. */
220 static int start_frame(AVCodecContext *avctx, 220 static int start_frame(AVCodecContext *avctx,
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338 .name = "h264_vaapi", 338 .name = "h264_vaapi",
339 .type = CODEC_TYPE_VIDEO, 339 .type = CODEC_TYPE_VIDEO,
340 .id = CODEC_ID_H264, 340 .id = CODEC_ID_H264,
341 .pix_fmt = PIX_FMT_VAAPI_VLD, 341 .pix_fmt = PIX_FMT_VAAPI_VLD,
342 .capabilities = 0, 342 .capabilities = 0,
343 .start_frame = start_frame, 343 .start_frame = start_frame,
344 .end_frame = end_frame, 344 .end_frame = end_frame,
345 .decode_slice = decode_slice, 345 .decode_slice = decode_slice,
346 .priv_data_size = 0, 346 .priv_data_size = 0,
347 }; 347 };
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