OLD | NEW |
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 "webkit/media/filter_helpers.h" | 5 #include "webkit/media/filter_helpers.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 "media/base/filter_collection.h" | 9 #include "media/base/filter_collection.h" |
10 #include "media/base/media_switches.h" | 10 #include "media/base/media_switches.h" |
11 #include "media/filters/chunk_demuxer.h" | 11 #include "media/filters/chunk_demuxer.h" |
12 #include "media/filters/dummy_demuxer.h" | |
13 #include "media/filters/ffmpeg_audio_decoder.h" | 12 #include "media/filters/ffmpeg_audio_decoder.h" |
14 #include "media/filters/ffmpeg_demuxer.h" | 13 #include "media/filters/ffmpeg_demuxer.h" |
15 #include "media/filters/ffmpeg_video_decoder.h" | 14 #include "media/filters/ffmpeg_video_decoder.h" |
16 #include "media/filters/opus_audio_decoder.h" | 15 #include "media/filters/opus_audio_decoder.h" |
17 #include "media/filters/vpx_video_decoder.h" | 16 #include "media/filters/vpx_video_decoder.h" |
18 #include "third_party/WebKit/Source/Platform/chromium/public/WebURL.h" | 17 #include "third_party/WebKit/Source/Platform/chromium/public/WebURL.h" |
19 #include "webkit/media/media_stream_client.h" | |
20 | 18 |
21 namespace webkit_media { | 19 namespace webkit_media { |
22 | 20 |
23 // Constructs and adds the default audio/video decoders to |filter_collection|. | 21 // Constructs and adds the default audio/video decoders to |filter_collection|. |
24 // Note that decoders in the |filter_collection| are ordered. The first | 22 // Note that decoders in the |filter_collection| are ordered. The first |
25 // audio/video decoder in the |filter_collection| that supports the input | 23 // audio/video decoder in the |filter_collection| that supports the input |
26 // audio/video stream will be selected as the audio/video decoder in the media | 24 // audio/video stream will be selected as the audio/video decoder in the media |
27 // pipeline. This is done by trying to initialize the decoder with the input | 25 // pipeline. This is done by trying to initialize the decoder with the input |
28 // stream. Some decoder may only accept certain types of streams. | 26 // stream. Some decoder may only accept certain types of streams. |
29 static void AddDefaultDecodersToCollection( | 27 static void AddDefaultDecodersToCollection( |
(...skipping 19 matching lines...) Expand all Loading... |
49 // (http://crbug.com/174287) . | 47 // (http://crbug.com/174287) . |
50 #if !defined(MEDIA_DISABLE_LIBVPX) | 48 #if !defined(MEDIA_DISABLE_LIBVPX) |
51 if (cmd_line->HasSwitch(switches::kEnableVp9Playback)) { | 49 if (cmd_line->HasSwitch(switches::kEnableVp9Playback)) { |
52 scoped_refptr<media::VpxVideoDecoder> vpx_video_decoder = | 50 scoped_refptr<media::VpxVideoDecoder> vpx_video_decoder = |
53 new media::VpxVideoDecoder(message_loop); | 51 new media::VpxVideoDecoder(message_loop); |
54 filter_collection->GetVideoDecoders()->push_back(vpx_video_decoder); | 52 filter_collection->GetVideoDecoders()->push_back(vpx_video_decoder); |
55 } | 53 } |
56 #endif // defined(MEDIA_USE_LIBVPX) | 54 #endif // defined(MEDIA_USE_LIBVPX) |
57 } | 55 } |
58 | 56 |
59 bool BuildMediaStreamCollection( | |
60 const WebKit::WebURL& url, | |
61 MediaStreamClient* client, | |
62 const scoped_refptr<base::MessageLoopProxy>& message_loop, | |
63 media::FilterCollection* filter_collection) { | |
64 if (!client) | |
65 return false; | |
66 | |
67 scoped_refptr<media::VideoDecoder> video_decoder = client->GetVideoDecoder( | |
68 url, message_loop); | |
69 if (!video_decoder) | |
70 return false; | |
71 | |
72 // Remove all other decoders and just use the MediaStream one. | |
73 // NOTE: http://crbug.com/110800 is about replacing this ad-hockery with | |
74 // something more designed. | |
75 filter_collection->GetVideoDecoders()->clear(); | |
76 filter_collection->GetVideoDecoders()->push_back(video_decoder); | |
77 | |
78 filter_collection->SetDemuxer(new media::DummyDemuxer(true, false)); | |
79 | |
80 return true; | |
81 } | |
82 | |
83 void BuildMediaSourceCollection( | 57 void BuildMediaSourceCollection( |
84 const scoped_refptr<media::ChunkDemuxer>& demuxer, | 58 const scoped_refptr<media::ChunkDemuxer>& demuxer, |
85 const scoped_refptr<base::MessageLoopProxy>& message_loop, | 59 const scoped_refptr<base::MessageLoopProxy>& message_loop, |
86 media::FilterCollection* filter_collection) { | 60 media::FilterCollection* filter_collection) { |
87 DCHECK(demuxer); | 61 DCHECK(demuxer); |
88 filter_collection->SetDemuxer(demuxer); | 62 filter_collection->SetDemuxer(demuxer); |
89 | 63 |
90 // Remove GPUVideoDecoder until it supports codec config changes. | 64 // Remove GPUVideoDecoder until it supports codec config changes. |
91 // TODO(acolwell): Remove this once http://crbug.com/151045 is fixed. | 65 // TODO(acolwell): Remove this once http://crbug.com/151045 is fixed. |
92 DCHECK_LE(filter_collection->GetVideoDecoders()->size(), 1u); | 66 DCHECK_LE(filter_collection->GetVideoDecoders()->size(), 1u); |
93 filter_collection->GetVideoDecoders()->clear(); | 67 filter_collection->GetVideoDecoders()->clear(); |
94 | 68 |
95 AddDefaultDecodersToCollection(message_loop, filter_collection); | 69 AddDefaultDecodersToCollection(message_loop, filter_collection); |
96 } | 70 } |
97 | 71 |
98 void BuildDefaultCollection( | 72 void BuildDefaultCollection( |
99 const scoped_refptr<media::DataSource>& data_source, | 73 const scoped_refptr<media::DataSource>& data_source, |
100 const scoped_refptr<base::MessageLoopProxy>& message_loop, | 74 const scoped_refptr<base::MessageLoopProxy>& message_loop, |
101 media::FilterCollection* filter_collection) { | 75 media::FilterCollection* filter_collection) { |
102 filter_collection->SetDemuxer(new media::FFmpegDemuxer( | 76 filter_collection->SetDemuxer(new media::FFmpegDemuxer( |
103 message_loop, data_source)); | 77 message_loop, data_source)); |
104 | 78 |
105 AddDefaultDecodersToCollection(message_loop, filter_collection); | 79 AddDefaultDecodersToCollection(message_loop, filter_collection); |
106 } | 80 } |
107 | 81 |
108 } // webkit_media | 82 } // webkit_media |
OLD | NEW |