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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_FACTORY_TV_H_ | |
| 6 #define CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_FACTORY_TV_H_ | |
| 7 | |
| 8 #include "base/basictypes.h" | |
| 9 #include "base/compiler_specific.h" | |
| 10 #include "base/message_loop/message_loop.h" | |
| 11 #include "content/common/content_export.h" | |
| 12 #include "media/base/demuxer.h" | |
| 13 #include "third_party/libjingle/source/talk/media/webrtc/webrtcvideodecoderfacto
ry.h" | |
| 14 #include "ui/gfx/size.h" | |
| 15 | |
| 16 namespace webrtc { | |
| 17 class VideoDecoder; | |
| 18 } | |
| 19 | |
| 20 namespace content { | |
| 21 | |
| 22 class MediaStreamDependencyFactory; | |
| 23 class RTCDemuxerStream; | |
| 24 class RTCVideoDecoderBridgeTv; | |
| 25 | |
| 26 // A factory object generating |RTCVideoDecoderBridgeTv| objects. This object | |
| 27 // also functions as a |media::Demuxer| object to receive encoded streams from | |
| 28 // the |RTCVideoDecoderBridgeTv| object (which inherits from | |
| 29 // |webrtc::VideoDecoder|). | |
| 30 class CONTENT_EXPORT RTCVideoDecoderFactoryTv | |
| 31 : NON_EXPORTED_BASE(public cricket::WebRtcVideoDecoderFactory), | |
| 32 public media::Demuxer { | |
| 33 public: | |
| 34 RTCVideoDecoderFactoryTv(); | |
| 35 virtual ~RTCVideoDecoderFactoryTv(); | |
| 36 | |
| 37 // cricket::WebRtcVideoDecoderFactory implementation. | |
| 38 virtual webrtc::VideoDecoder* CreateVideoDecoder( | |
| 39 webrtc::VideoCodecType type) OVERRIDE; | |
| 40 virtual void DestroyVideoDecoder(webrtc::VideoDecoder* decoder) OVERRIDE; | |
| 41 | |
| 42 // Acquires and releases the demuxer functionality of this object. Only one | |
| 43 // client object can access demuxer functionality at a time. No calls to | |
| 44 // |media::Demuxer| implementations should be made without acquiring it first. | |
| 45 bool AcquireDemuxer(); | |
| 46 void ReleaseDemuxer(); | |
| 47 | |
| 48 // media::Demuxer implementation. | |
| 49 virtual void Initialize(media::DemuxerHost* host, | |
| 50 const media::PipelineStatusCB& cb, | |
| 51 bool enable_text_tracks) OVERRIDE; | |
| 52 virtual void Seek(base::TimeDelta time, | |
| 53 const media::PipelineStatusCB& status_cb) OVERRIDE; | |
| 54 virtual void Stop(const base::Closure& callback) OVERRIDE; | |
| 55 virtual void OnAudioRendererDisabled() OVERRIDE; | |
| 56 virtual media::DemuxerStream* GetStream( | |
| 57 media::DemuxerStream::Type type) OVERRIDE; | |
| 58 virtual base::TimeDelta GetStartTime() const OVERRIDE; | |
| 59 | |
| 60 // For RTCVideoDecoderBridgeTv to talk to RTCDemuxerStream. | |
| 61 void InitializeStream(const gfx::Size& size); | |
| 62 void QueueBuffer(scoped_refptr<media::DecoderBuffer> buffer, | |
| 63 const gfx::Size& size); | |
| 64 | |
| 65 private: | |
| 66 // All private variables are lock protected. | |
| 67 base::Lock lock_; | |
| 68 scoped_ptr<RTCVideoDecoderBridgeTv> decoder_; | |
| 69 | |
| 70 media::PipelineStatusCB init_cb_; | |
| 71 scoped_ptr<RTCDemuxerStream> stream_; | |
| 72 | |
| 73 bool is_acquired_; | |
| 74 | |
| 75 DISALLOW_COPY_AND_ASSIGN(RTCVideoDecoderFactoryTv); | |
| 76 }; | |
| 77 | |
| 78 } // namespace content | |
| 79 | |
| 80 #endif // CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_FACTORY_TV_H_ | |
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