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Side by Side Diff: media/filters/omx_video_decoder.h

Issue 7066071: Removing defunct OpenMAX code. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src
Patch Set: removed tab Created 9 years, 6 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 MEDIA_FILTERS_OMX_VIDEO_DECODER_H_
6 #define MEDIA_FILTERS_OMX_VIDEO_DECODER_H_
7
8 #include <queue>
9
10 #include "media/base/filters.h"
11 #include "media/base/media_format.h"
12 #include "media/base/pts_stream.h"
13 #include "media/video/video_decode_context.h"
14 #include "media/video/video_decode_engine.h"
15
16 class MessageLoop;
17
18 namespace media {
19
20 class Buffer;
21 class OmxVideoDecodeEngine;
22 class VideoFrame;
23
24 class OmxVideoDecoder : public VideoDecoder,
25 public VideoDecodeEngine::EventHandler {
26 public:
27 OmxVideoDecoder(MessageLoop* message_loop,
28 VideoDecodeContext* decode_context);
29 virtual ~OmxVideoDecoder();
30
31 // Filter implementations.
32 virtual void Initialize(DemuxerStream* stream,
33 FilterCallback* callback,
34 StatisticsCallback* stats_callback);
35 virtual void Stop(FilterCallback* callback);
36 virtual void Flush(FilterCallback* callback);
37 virtual void Seek(base::TimeDelta time, const FilterStatusCB& cb);
38 virtual void ProduceVideoFrame(scoped_refptr<VideoFrame> frame);
39 virtual bool ProvidesBuffer();
40 virtual const MediaFormat& media_format();
41
42 private:
43 // VideoDecodeEngine::EventHandler interface.
44 virtual void OnInitializeComplete(const VideoCodecInfo& info);
45 virtual void OnUninitializeComplete();
46 virtual void OnFlushComplete();
47 virtual void OnSeekComplete();
48 virtual void OnError();
49 virtual void OnFormatChange(VideoStreamInfo stream_info);
50 virtual void ProduceVideoSample(scoped_refptr<Buffer> buffer);
51 virtual void ConsumeVideoFrame(scoped_refptr<VideoFrame> frame,
52 const PipelineStatistics& statistics);
53
54 // TODO(hclam): This is very ugly that we keep reference instead of
55 // scoped_refptr.
56 void DemuxCompleteTask(Buffer* buffer);
57 void ConsumeVideoSample(scoped_refptr<Buffer> buffer);
58
59 MessageLoop* message_loop_;
60
61 // Pointer to the demuxer stream that will feed us compressed buffers.
62 scoped_refptr<DemuxerStream> demuxer_stream_;
63 scoped_ptr<VideoDecodeEngine> decode_engine_;
64 scoped_ptr<VideoDecodeContext> decode_context_;
65 MediaFormat media_format_;
66
67 scoped_ptr<FilterCallback> initialize_callback_;
68 scoped_ptr<FilterCallback> uninitialize_callback_;
69 scoped_ptr<FilterCallback> flush_callback_;
70 FilterStatusCB seek_cb_;
71 scoped_ptr<StatisticsCallback> statistics_callback_;
72
73 VideoCodecInfo info_;
74
75 PtsStream pts_stream_; // Stream of presentation timestamps.
76
77 DISALLOW_COPY_AND_ASSIGN(OmxVideoDecoder);
78 };
79
80 } // namespace media
81
82 #endif // MEDIA_FILTERS_OMX_VIDEO_DECODER_H_
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