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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "media/ffmpeg/ffmpeg_common.h" | 5 #include "media/ffmpeg/ffmpeg_common.h" |
6 | 6 |
7 #include "base/basictypes.h" | 7 #include "base/basictypes.h" |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
9 #include "media/base/decoder_buffer.h" | 9 #include "media/base/decoder_buffer.h" |
10 #include "media/base/video_frame.h" | 10 #include "media/base/video_frame.h" |
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140 VideoCodec CodecIDToVideoCodec(CodecID codec_id) { | 140 VideoCodec CodecIDToVideoCodec(CodecID codec_id) { |
141 switch (codec_id) { | 141 switch (codec_id) { |
142 case CODEC_ID_H264: | 142 case CODEC_ID_H264: |
143 return kCodecH264; | 143 return kCodecH264; |
144 case CODEC_ID_THEORA: | 144 case CODEC_ID_THEORA: |
145 return kCodecTheora; | 145 return kCodecTheora; |
146 case CODEC_ID_MPEG4: | 146 case CODEC_ID_MPEG4: |
147 return kCodecMPEG4; | 147 return kCodecMPEG4; |
148 case CODEC_ID_VP8: | 148 case CODEC_ID_VP8: |
149 return kCodecVP8; | 149 return kCodecVP8; |
150 case AV_CODEC_ID_VP9: | |
151 return kCodecVP9; | |
152 default: | 150 default: |
153 DVLOG(1) << "Unknown video CodecID: " << codec_id; | 151 DVLOG(1) << "Unknown video CodecID: " << codec_id; |
154 } | 152 } |
155 return kUnknownVideoCodec; | 153 return kUnknownVideoCodec; |
156 } | 154 } |
157 | 155 |
158 static CodecID VideoCodecToCodecID(VideoCodec video_codec) { | 156 static CodecID VideoCodecToCodecID(VideoCodec video_codec) { |
159 switch (video_codec) { | 157 switch (video_codec) { |
160 case kCodecH264: | 158 case kCodecH264: |
161 return CODEC_ID_H264; | 159 return CODEC_ID_H264; |
162 case kCodecTheora: | 160 case kCodecTheora: |
163 return CODEC_ID_THEORA; | 161 return CODEC_ID_THEORA; |
164 case kCodecMPEG4: | 162 case kCodecMPEG4: |
165 return CODEC_ID_MPEG4; | 163 return CODEC_ID_MPEG4; |
166 case kCodecVP8: | 164 case kCodecVP8: |
167 return CODEC_ID_VP8; | 165 return CODEC_ID_VP8; |
168 case kCodecVP9: | |
169 return AV_CODEC_ID_VP9; | |
170 default: | 166 default: |
171 DVLOG(1) << "Unknown VideoCodec: " << video_codec; | 167 DVLOG(1) << "Unknown VideoCodec: " << video_codec; |
172 } | 168 } |
173 return CODEC_ID_NONE; | 169 return CODEC_ID_NONE; |
174 } | 170 } |
175 | 171 |
176 static VideoCodecProfile ProfileIDToVideoCodecProfile(int profile) { | 172 static VideoCodecProfile ProfileIDToVideoCodecProfile(int profile) { |
177 // Clear out the CONSTRAINED & INTRA flags which are strict subsets of the | 173 // Clear out the CONSTRAINED & INTRA flags which are strict subsets of the |
178 // corresponding profiles with which they're used. | 174 // corresponding profiles with which they're used. |
179 profile &= ~FF_PROFILE_H264_CONSTRAINED; | 175 profile &= ~FF_PROFILE_H264_CONSTRAINED; |
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332 // for now, but may not always be true forever. Fix this in the future. | 328 // for now, but may not always be true forever. Fix this in the future. |
333 gfx::Rect visible_rect(stream->codec->width, stream->codec->height); | 329 gfx::Rect visible_rect(stream->codec->width, stream->codec->height); |
334 | 330 |
335 AVRational aspect_ratio = { 1, 1 }; | 331 AVRational aspect_ratio = { 1, 1 }; |
336 if (stream->sample_aspect_ratio.num) | 332 if (stream->sample_aspect_ratio.num) |
337 aspect_ratio = stream->sample_aspect_ratio; | 333 aspect_ratio = stream->sample_aspect_ratio; |
338 else if (stream->codec->sample_aspect_ratio.num) | 334 else if (stream->codec->sample_aspect_ratio.num) |
339 aspect_ratio = stream->codec->sample_aspect_ratio; | 335 aspect_ratio = stream->codec->sample_aspect_ratio; |
340 | 336 |
341 VideoCodec codec = CodecIDToVideoCodec(stream->codec->codec_id); | 337 VideoCodec codec = CodecIDToVideoCodec(stream->codec->codec_id); |
342 | 338 VideoCodecProfile profile = (codec == kCodecVP8) ? VP8PROFILE_MAIN : |
343 VideoCodecProfile profile = VIDEO_CODEC_PROFILE_UNKNOWN; | 339 ProfileIDToVideoCodecProfile(stream->codec->profile); |
344 if (codec == kCodecVP8) | |
345 profile = VP8PROFILE_MAIN; | |
346 else if (codec == kCodecVP9) | |
347 profile = VP9PROFILE_MAIN; | |
348 else | |
349 profile = ProfileIDToVideoCodecProfile(stream->codec->profile); | |
350 | |
351 gfx::Size natural_size = GetNaturalSize( | 340 gfx::Size natural_size = GetNaturalSize( |
352 visible_rect.size(), aspect_ratio.num, aspect_ratio.den); | 341 visible_rect.size(), aspect_ratio.num, aspect_ratio.den); |
353 | |
354 VideoFrame::Format format = PixelFormatToVideoFormat(stream->codec->pix_fmt); | |
355 if (codec == kCodecVP9) { | |
356 // TODO(tomfinegan): libavcodec doesn't know about VP9. | |
357 format = VideoFrame::YV12; | |
358 coded_size = natural_size; | |
359 } | |
360 | |
361 config->Initialize(codec, | 342 config->Initialize(codec, |
362 profile, | 343 profile, |
363 format, | 344 PixelFormatToVideoFormat(stream->codec->pix_fmt), |
364 coded_size, visible_rect, natural_size, | 345 coded_size, visible_rect, natural_size, |
365 stream->codec->extradata, stream->codec->extradata_size, | 346 stream->codec->extradata, stream->codec->extradata_size, |
366 false, // Not encrypted. | 347 false, // Not encrypted. |
367 true); | 348 true); |
368 } | 349 } |
369 | 350 |
370 void VideoDecoderConfigToAVCodecContext( | 351 void VideoDecoderConfigToAVCodecContext( |
371 const VideoDecoderConfig& config, | 352 const VideoDecoderConfig& config, |
372 AVCodecContext* codec_context) { | 353 AVCodecContext* codec_context) { |
373 codec_context->codec_type = AVMEDIA_TYPE_VIDEO; | 354 codec_context->codec_type = AVMEDIA_TYPE_VIDEO; |
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478 return PIX_FMT_YUV422P; | 459 return PIX_FMT_YUV422P; |
479 case VideoFrame::YV12: | 460 case VideoFrame::YV12: |
480 return PIX_FMT_YUV420P; | 461 return PIX_FMT_YUV420P; |
481 default: | 462 default: |
482 DVLOG(1) << "Unsupported VideoFrame::Format: " << video_format; | 463 DVLOG(1) << "Unsupported VideoFrame::Format: " << video_format; |
483 } | 464 } |
484 return PIX_FMT_NONE; | 465 return PIX_FMT_NONE; |
485 } | 466 } |
486 | 467 |
487 } // namespace media | 468 } // namespace media |
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