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Side by Side Diff: chrome/renderer/media/ipc_video_decoder.h

Issue 6673090: Move core renderer subdirectories to content. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 9 years, 9 months ago
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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
3 // found in the LICENSE file.
4
5 #ifndef CHROME_RENDERER_MEDIA_IPC_VIDEO_DECODER_H_
6 #define CHROME_RENDERER_MEDIA_IPC_VIDEO_DECODER_H_
7
8 #include "base/time.h"
9 #include "media/base/pts_heap.h"
10 #include "media/base/video_frame.h"
11 #include "media/filters/decoder_base.h"
12 #include "media/video/video_decode_engine.h"
13 #include "media/video/video_decode_context.h"
14
15 struct AVRational;
16
17 namespace ggl {
18 class Context;
19 } // namespace ggl
20
21 class IpcVideoDecoder : public media::VideoDecoder,
22 public media::VideoDecodeEngine::EventHandler {
23 public:
24 IpcVideoDecoder(MessageLoop* message_loop, ggl::Context* ggl_context);
25 virtual ~IpcVideoDecoder();
26
27 // media::Filter implementation.
28 virtual void Stop(media::FilterCallback* callback);
29 virtual void Seek(base::TimeDelta time, media::FilterCallback* callback);
30 virtual void Pause(media::FilterCallback* callback);
31 virtual void Flush(media::FilterCallback* callback);
32
33 // media::VideoDecoder implementation.
34 virtual void Initialize(media::DemuxerStream* demuxer_stream,
35 media::FilterCallback* callback,
36 media::StatisticsCallback* statsCallback);
37 virtual const media::MediaFormat& media_format();
38 virtual void ProduceVideoFrame(scoped_refptr<media::VideoFrame> video_frame);
39
40 // TODO(hclam): Remove this method.
41 virtual bool ProvidesBuffer();
42
43 // media::VideoDecodeEngine::EventHandler implementation.
44 virtual void OnInitializeComplete(const media::VideoCodecInfo& info);
45 virtual void OnUninitializeComplete();
46 virtual void OnFlushComplete();
47 virtual void OnSeekComplete();
48 virtual void OnError();
49
50 // TODO(hclam): Remove this method.
51 virtual void OnFormatChange(media::VideoStreamInfo stream_info) {}
52 virtual void ProduceVideoSample(scoped_refptr<media::Buffer> buffer);
53 virtual void ConsumeVideoFrame(scoped_refptr<media::VideoFrame> frame,
54 const media::PipelineStatistics& statistics);
55
56 private:
57 void OnReadComplete(media::Buffer* buffer);
58 void OnDestroyComplete();
59
60 media::MediaFormat media_format_;
61
62 scoped_ptr<media::FilterCallback> flush_callback_;
63 scoped_ptr<media::FilterCallback> seek_callback_;
64 scoped_ptr<media::FilterCallback> initialize_callback_;
65 scoped_ptr<media::FilterCallback> stop_callback_;
66 scoped_ptr<media::StatisticsCallback> statistics_callback_;
67
68 // Pointer to the demuxer stream that will feed us compressed buffers.
69 scoped_refptr<media::DemuxerStream> demuxer_stream_;
70
71 // This is the message loop that we should assign to VideoDecodeContext.
72 MessageLoop* decode_context_message_loop_;
73
74 // A context for allocating textures and issuing GLES2 commands.
75 // TODO(hclam): A ggl::Context lives on the Render Thread while this object
76 // lives on the Video Decoder Thread, we need to take care of context lost
77 // and destruction of the context.
78 ggl::Context* ggl_context_;
79
80 // This VideoDecodeEngine translate our requests to IPC commands to the
81 // GPU process.
82 // VideoDecodeEngine should run on IO Thread instead of Render Thread to
83 // avoid dead lock during tear down of the media pipeline.
84 scoped_ptr<media::VideoDecodeEngine> decode_engine_;
85
86 // Decoding context to be used by VideoDecodeEngine.
87 scoped_ptr<media::VideoDecodeContext> decode_context_;
88
89 DISALLOW_COPY_AND_ASSIGN(IpcVideoDecoder);
90 };
91
92 #endif // CHROME_RENDERER_MEDIA_IPC_VIDEO_DECODER_H_
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