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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/command_line.h" | 8 #include "base/command_line.h" |
9 #include "base/message_loop.h" | 9 #include "base/message_loop.h" |
10 #include "base/string_number_conversions.h" | 10 #include "base/string_number_conversions.h" |
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57 av_frame_(NULL), | 57 av_frame_(NULL), |
58 frame_rate_numerator_(0), | 58 frame_rate_numerator_(0), |
59 frame_rate_denominator_(0) { | 59 frame_rate_denominator_(0) { |
60 } | 60 } |
61 | 61 |
62 FFmpegVideoDecoder::~FFmpegVideoDecoder() { | 62 FFmpegVideoDecoder::~FFmpegVideoDecoder() { |
63 ReleaseFFmpegResources(); | 63 ReleaseFFmpegResources(); |
64 } | 64 } |
65 | 65 |
66 void FFmpegVideoDecoder::Initialize(DemuxerStream* demuxer_stream, | 66 void FFmpegVideoDecoder::Initialize(DemuxerStream* demuxer_stream, |
67 const PipelineStatusCB& callback, | 67 const base::Closure& callback, |
68 const StatisticsCallback& stats_callback) { | 68 const StatisticsCallback& stats_callback) { |
69 if (MessageLoop::current() != message_loop_) { | 69 if (MessageLoop::current() != message_loop_) { |
70 message_loop_->PostTask(FROM_HERE, base::Bind( | 70 message_loop_->PostTask(FROM_HERE, base::Bind( |
71 &FFmpegVideoDecoder::Initialize, this, | 71 &FFmpegVideoDecoder::Initialize, this, |
72 make_scoped_refptr(demuxer_stream), callback, stats_callback)); | 72 make_scoped_refptr(demuxer_stream), callback, stats_callback)); |
73 return; | 73 return; |
74 } | 74 } |
75 | 75 |
76 DCHECK(!demuxer_stream_); | 76 DCHECK(!demuxer_stream_); |
77 | 77 |
78 if (!demuxer_stream) { | 78 if (!demuxer_stream) { |
79 callback.Run(PIPELINE_ERROR_DECODE); | 79 host()->SetError(PIPELINE_ERROR_DECODE); |
| 80 callback.Run(); |
80 return; | 81 return; |
81 } | 82 } |
82 | 83 |
83 demuxer_stream_ = demuxer_stream; | 84 demuxer_stream_ = demuxer_stream; |
84 statistics_callback_ = stats_callback; | 85 statistics_callback_ = stats_callback; |
85 | 86 |
86 const VideoDecoderConfig& config = demuxer_stream->video_decoder_config(); | 87 const VideoDecoderConfig& config = demuxer_stream->video_decoder_config(); |
87 | 88 |
88 // TODO(scherkus): this check should go in PipelineImpl prior to creating | 89 // TODO(scherkus): this check should go in PipelineImpl prior to creating |
89 // decoder objects. | 90 // decoder objects. |
90 if (!config.IsValidConfig()) { | 91 if (!config.IsValidConfig()) { |
91 DLOG(ERROR) << "Invalid video stream - " << config.AsHumanReadableString(); | 92 DLOG(ERROR) << "Invalid video stream -" |
92 callback.Run(PIPELINE_ERROR_DECODE); | 93 << " codec: " << config.codec() |
| 94 << " format: " << config.format() |
| 95 << " coded size: [" << config.coded_size().width() |
| 96 << "," << config.coded_size().height() << "]" |
| 97 << " visible rect: [" << config.visible_rect().x() |
| 98 << "," << config.visible_rect().y() |
| 99 << "," << config.visible_rect().width() |
| 100 << "," << config.visible_rect().height() << "]" |
| 101 << " natural size: [" << config.natural_size().width() |
| 102 << "," << config.natural_size().height() << "]" |
| 103 << " frame rate: " << config.frame_rate_numerator() |
| 104 << "/" << config.frame_rate_denominator() |
| 105 << " aspect ratio: " << config.aspect_ratio_numerator() |
| 106 << "/" << config.aspect_ratio_denominator(); |
| 107 |
| 108 host()->SetError(PIPELINE_ERROR_DECODE); |
| 109 callback.Run(); |
93 return; | 110 return; |
94 } | 111 } |
95 | 112 |
96 // Initialize AVCodecContext structure. | 113 // Initialize AVCodecContext structure. |
97 codec_context_ = avcodec_alloc_context(); | 114 codec_context_ = avcodec_alloc_context(); |
98 VideoDecoderConfigToAVCodecContext(config, codec_context_); | 115 VideoDecoderConfigToAVCodecContext(config, codec_context_); |
99 | 116 |
100 // Enable motion vector search (potentially slow), strong deblocking filter | 117 // Enable motion vector search (potentially slow), strong deblocking filter |
101 // for damaged macroblocks, and set our error detection sensitivity. | 118 // for damaged macroblocks, and set our error detection sensitivity. |
102 codec_context_->error_concealment = FF_EC_GUESS_MVS | FF_EC_DEBLOCK; | 119 codec_context_->error_concealment = FF_EC_GUESS_MVS | FF_EC_DEBLOCK; |
103 codec_context_->error_recognition = FF_ER_CAREFUL; | 120 codec_context_->error_recognition = FF_ER_CAREFUL; |
104 codec_context_->thread_count = GetThreadCount(codec_context_->codec_id); | 121 codec_context_->thread_count = GetThreadCount(codec_context_->codec_id); |
105 | 122 |
106 AVCodec* codec = avcodec_find_decoder(codec_context_->codec_id); | 123 AVCodec* codec = avcodec_find_decoder(codec_context_->codec_id); |
107 if (!codec) { | 124 if (!codec) { |
108 callback.Run(PIPELINE_ERROR_DECODE); | 125 host()->SetError(PIPELINE_ERROR_DECODE); |
| 126 callback.Run(); |
109 return; | 127 return; |
110 } | 128 } |
111 | 129 |
112 if (avcodec_open(codec_context_, codec) < 0) { | 130 if (avcodec_open(codec_context_, codec) < 0) { |
113 callback.Run(PIPELINE_ERROR_DECODE); | 131 host()->SetError(PIPELINE_ERROR_DECODE); |
| 132 callback.Run(); |
114 return; | 133 return; |
115 } | 134 } |
116 | 135 |
117 // Success! | 136 // Success! |
118 state_ = kNormal; | 137 state_ = kNormal; |
119 av_frame_ = avcodec_alloc_frame(); | 138 av_frame_ = avcodec_alloc_frame(); |
120 pts_stream_.Initialize(GetFrameDuration(config)); | 139 pts_stream_.Initialize(GetFrameDuration(config)); |
121 natural_size_ = config.natural_size(); | 140 natural_size_ = config.natural_size(); |
122 frame_rate_numerator_ = config.frame_rate_numerator(); | 141 frame_rate_numerator_ = config.frame_rate_numerator(); |
123 frame_rate_denominator_ = config.frame_rate_denominator(); | 142 frame_rate_denominator_ = config.frame_rate_denominator(); |
124 callback.Run(PIPELINE_OK); | 143 callback.Run(); |
125 } | 144 } |
126 | 145 |
127 void FFmpegVideoDecoder::Stop(const base::Closure& callback) { | 146 void FFmpegVideoDecoder::Stop(const base::Closure& callback) { |
128 if (MessageLoop::current() != message_loop_) { | 147 if (MessageLoop::current() != message_loop_) { |
129 message_loop_->PostTask(FROM_HERE, base::Bind( | 148 message_loop_->PostTask(FROM_HERE, base::Bind( |
130 &FFmpegVideoDecoder::Stop, this, callback)); | 149 &FFmpegVideoDecoder::Stop, this, callback)); |
131 return; | 150 return; |
132 } | 151 } |
133 | 152 |
134 ReleaseFFmpegResources(); | 153 ReleaseFFmpegResources(); |
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415 scoped_refptr<VideoFrame> FFmpegVideoDecoder::AllocateVideoFrame() { | 434 scoped_refptr<VideoFrame> FFmpegVideoDecoder::AllocateVideoFrame() { |
416 VideoFrame::Format format = PixelFormatToVideoFormat(codec_context_->pix_fmt); | 435 VideoFrame::Format format = PixelFormatToVideoFormat(codec_context_->pix_fmt); |
417 size_t width = codec_context_->width; | 436 size_t width = codec_context_->width; |
418 size_t height = codec_context_->height; | 437 size_t height = codec_context_->height; |
419 | 438 |
420 return VideoFrame::CreateFrame(format, width, height, | 439 return VideoFrame::CreateFrame(format, width, height, |
421 kNoTimestamp, kNoTimestamp); | 440 kNoTimestamp, kNoTimestamp); |
422 } | 441 } |
423 | 442 |
424 } // namespace media | 443 } // namespace media |
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