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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/filters/ffmpeg_video_decoder.h" | 5 #include "media/filters/ffmpeg_video_decoder.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 #include <string> | 8 #include <string> |
| 9 | 9 |
| 10 #include "base/bind.h" | 10 #include "base/bind.h" |
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| 74 if (format == VideoFrame::INVALID) | 74 if (format == VideoFrame::INVALID) |
| 75 return AVERROR(EINVAL); | 75 return AVERROR(EINVAL); |
| 76 DCHECK(format == VideoFrame::YV12 || format == VideoFrame::YV16); | 76 DCHECK(format == VideoFrame::YV12 || format == VideoFrame::YV16); |
| 77 | 77 |
| 78 int width = codec_context->width; | 78 int width = codec_context->width; |
| 79 int height = codec_context->height; | 79 int height = codec_context->height; |
| 80 int ret; | 80 int ret; |
| 81 if ((ret = av_image_check_size(width, height, 0, NULL)) < 0) | 81 if ((ret = av_image_check_size(width, height, 0, NULL)) < 0) |
| 82 return ret; | 82 return ret; |
| 83 | 83 |
| 84 gfx::Size natural_size = natural_size_; |
| 85 if (codec_context->sample_aspect_ratio.num > 0) { |
| 86 natural_size = GetNaturalSize(gfx::Size(width, height), |
| 87 codec_context->sample_aspect_ratio.num, |
| 88 codec_context->sample_aspect_ratio.den); |
| 89 } |
| 84 scoped_refptr<VideoFrame> video_frame = | 90 scoped_refptr<VideoFrame> video_frame = |
| 85 VideoFrame::CreateFrame(format, width, height, kNoTimestamp()); | 91 VideoFrame::CreateFrame(format, width, height, natural_size, |
| 92 kNoTimestamp()); |
| 86 | 93 |
| 87 for (int i = 0; i < 3; i++) { | 94 for (int i = 0; i < 3; i++) { |
| 88 frame->base[i] = video_frame->data(i); | 95 frame->base[i] = video_frame->data(i); |
| 89 frame->data[i] = video_frame->data(i); | 96 frame->data[i] = video_frame->data(i); |
| 90 frame->linesize[i] = video_frame->stride(i); | 97 frame->linesize[i] = video_frame->stride(i); |
| 91 } | 98 } |
| 92 | 99 |
| 93 frame->opaque = video_frame.release(); | 100 frame->opaque = video_frame.release(); |
| 94 frame->type = FF_BUFFER_TYPE_USER; | 101 frame->type = FF_BUFFER_TYPE_USER; |
| 95 frame->pkt_pts = codec_context->pkt ? codec_context->pkt->pts : | 102 frame->pkt_pts = codec_context->pkt ? codec_context->pkt->pts : |
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| 236 | 243 |
| 237 DoStop(); | 244 DoStop(); |
| 238 } | 245 } |
| 239 | 246 |
| 240 void FFmpegVideoDecoder::DoStop() { | 247 void FFmpegVideoDecoder::DoStop() { |
| 241 ReleaseFFmpegResources(); | 248 ReleaseFFmpegResources(); |
| 242 state_ = kUninitialized; | 249 state_ = kUninitialized; |
| 243 base::ResetAndReturn(&stop_cb_).Run(); | 250 base::ResetAndReturn(&stop_cb_).Run(); |
| 244 } | 251 } |
| 245 | 252 |
| 246 const gfx::Size& FFmpegVideoDecoder::natural_size() { | |
| 247 return natural_size_; | |
| 248 } | |
| 249 | |
| 250 void FFmpegVideoDecoder::set_decryptor(Decryptor* decryptor) { | 253 void FFmpegVideoDecoder::set_decryptor(Decryptor* decryptor) { |
| 251 DCHECK_EQ(state_, kUninitialized); | 254 DCHECK_EQ(state_, kUninitialized); |
| 252 decryptor_ = decryptor; | 255 decryptor_ = decryptor; |
| 253 } | 256 } |
| 254 | 257 |
| 255 FFmpegVideoDecoder::~FFmpegVideoDecoder() { | 258 FFmpegVideoDecoder::~FFmpegVideoDecoder() { |
| 256 ReleaseFFmpegResources(); | 259 ReleaseFFmpegResources(); |
| 257 } | 260 } |
| 258 | 261 |
| 259 void FFmpegVideoDecoder::DoRead(const ReadCB& read_cb) { | 262 void FFmpegVideoDecoder::DoRead(const ReadCB& read_cb) { |
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| 513 av_free(codec_context_); | 516 av_free(codec_context_); |
| 514 codec_context_ = NULL; | 517 codec_context_ = NULL; |
| 515 } | 518 } |
| 516 if (av_frame_) { | 519 if (av_frame_) { |
| 517 av_free(av_frame_); | 520 av_free(av_frame_); |
| 518 av_frame_ = NULL; | 521 av_frame_ = NULL; |
| 519 } | 522 } |
| 520 } | 523 } |
| 521 | 524 |
| 522 } // namespace media | 525 } // namespace media |
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