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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 // This standalone binary is a helper for diagnosing seek behavior of the | 5 // This standalone binary is a helper for diagnosing seek behavior of the |
6 // demuxer setup in media/ code. It answers the question: "if I ask the demuxer | 6 // demuxer setup in media/ code. It answers the question: "if I ask the demuxer |
7 // to Seek to X ms, where will it actually seek to? (necessitating | 7 // to Seek to X ms, where will it actually seek to? (necessitating |
8 // frame-dropping until the original seek target is reached)". Sample run: | 8 // frame-dropping until the original seek target is reached)". Sample run: |
9 // | 9 // |
10 // $ ./out/Debug/seek_tester .../LayoutTests/media/content/test.ogv 6300 | 10 // $ ./out/Debug/seek_tester .../LayoutTests/media/content/test.ogv 6300 |
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44 CHECK_EQ(argc, 3) << "\nUsage: " << argv[0] << " <file> <seekTimeInMs>"; | 44 CHECK_EQ(argc, 3) << "\nUsage: " << argv[0] << " <file> <seekTimeInMs>"; |
45 uint64 seek_target_ms; | 45 uint64 seek_target_ms; |
46 CHECK(base::StringToUint64(argv[2], &seek_target_ms)); | 46 CHECK(base::StringToUint64(argv[2], &seek_target_ms)); |
47 scoped_refptr<media::FileDataSource> file_data_source( | 47 scoped_refptr<media::FileDataSource> file_data_source( |
48 new media::FileDataSource()); | 48 new media::FileDataSource()); |
49 CHECK_EQ(file_data_source->Initialize(argv[1]), media::PIPELINE_OK); | 49 CHECK_EQ(file_data_source->Initialize(argv[1]), media::PIPELINE_OK); |
50 | 50 |
51 MessageLoop loop; | 51 MessageLoop loop; |
52 media::PipelineStatusCB quitter = base::Bind(&QuitMessageLoop, &loop); | 52 media::PipelineStatusCB quitter = base::Bind(&QuitMessageLoop, &loop); |
53 scoped_refptr<media::FFmpegDemuxer> demuxer( | 53 scoped_refptr<media::FFmpegDemuxer> demuxer( |
54 new media::FFmpegDemuxer(&loop, true)); | 54 new media::FFmpegDemuxer(&loop, file_data_source, true)); |
55 demuxer->Initialize(file_data_source, quitter); | 55 demuxer->Initialize(quitter); |
56 loop.Run(); | 56 loop.Run(); |
57 | 57 |
58 demuxer->Seek(base::TimeDelta::FromMilliseconds(seek_target_ms), quitter); | 58 demuxer->Seek(base::TimeDelta::FromMilliseconds(seek_target_ms), quitter); |
59 loop.Run(); | 59 loop.Run(); |
60 | 60 |
61 uint64 audio_seeked_to_ms; | 61 uint64 audio_seeked_to_ms; |
62 uint64 video_seeked_to_ms; | 62 uint64 video_seeked_to_ms; |
63 scoped_refptr<media::DemuxerStream> audio_stream( | 63 scoped_refptr<media::DemuxerStream> audio_stream( |
64 demuxer->GetStream(media::DemuxerStream::AUDIO)); | 64 demuxer->GetStream(media::DemuxerStream::AUDIO)); |
65 scoped_refptr<media::DemuxerStream> video_stream( | 65 scoped_refptr<media::DemuxerStream> video_stream( |
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76 base::Bind(&TimestampExtractor, &video_seeked_to_ms, &loop)); | 76 base::Bind(&TimestampExtractor, &video_seeked_to_ms, &loop)); |
77 loop.Run(); | 77 loop.Run(); |
78 LOG(INFO) << " video seeked to: " << video_seeked_to_ms << "ms"; | 78 LOG(INFO) << " video seeked to: " << video_seeked_to_ms << "ms"; |
79 } | 79 } |
80 | 80 |
81 demuxer->Stop(base::Bind(&MessageLoop::Quit, base::Unretained(&loop))); | 81 demuxer->Stop(base::Bind(&MessageLoop::Quit, base::Unretained(&loop))); |
82 loop.Run(); | 82 loop.Run(); |
83 | 83 |
84 return 0; | 84 return 0; |
85 } | 85 } |
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