1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_H_
#define CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_H_
#include <string>
#include "base/compiler_specific.h"
#include "base/gtest_prod_util.h"
#include "base/synchronization/lock.h"
#include "base/time.h"
#include "content/common/content_export.h"
#include "media/base/filters.h"
#include "media/base/video_frame.h"
#include "third_party/libjingle/source/talk/session/phone/mediachannel.h"
#include "third_party/libjingle/source/talk/session/phone/videorenderer.h"
class MessageLoop;
namespace cricket {
class VideoFrame;
} // namespace cricket
class CONTENT_EXPORT RTCVideoDecoder
: public media::VideoDecoder,
NON_EXPORTED_BASE(public cricket::VideoRenderer) {
public:
RTCVideoDecoder(MessageLoop* message_loop, const std::string& url);
// Filter implementation.
virtual void Play(const base::Closure& callback) OVERRIDE;
virtual void Seek(base::TimeDelta time,
const media::PipelineStatusCB& cb) OVERRIDE;
virtual void Pause(const base::Closure& callback) OVERRIDE;
virtual void Flush(const base::Closure& callback) OVERRIDE;
virtual void Stop(const base::Closure& callback) OVERRIDE;
// Decoder implementation.
virtual void Initialize(
media::DemuxerStream* demuxer_stream,
const media::PipelineStatusCB& status_cb,
const media::StatisticsCB& statistics_cb) OVERRIDE;
virtual void Read(const ReadCB& callback) OVERRIDE;
virtual const gfx::Size& natural_size() OVERRIDE;
// cricket::VideoRenderer implementation
virtual bool SetSize(int width, int height, int reserved) OVERRIDE;
virtual bool RenderFrame(const cricket::VideoFrame* frame) OVERRIDE;
protected:
virtual ~RTCVideoDecoder();
private:
friend class RTCVideoDecoderTest;
FRIEND_TEST_ALL_PREFIXES(RTCVideoDecoderTest, Initialize_Successful);
FRIEND_TEST_ALL_PREFIXES(RTCVideoDecoderTest, DoSeek);
FRIEND_TEST_ALL_PREFIXES(RTCVideoDecoderTest, DoFlush);
FRIEND_TEST_ALL_PREFIXES(RTCVideoDecoderTest, DoRenderFrame);
FRIEND_TEST_ALL_PREFIXES(RTCVideoDecoderTest, DoSetSize);
enum DecoderState {
kUnInitialized,
kNormal,
kPaused,
kStopped
};
MessageLoop* message_loop_;
gfx::Size visible_size_;
std::string url_;
DecoderState state_;
ReadCB read_cb_;
bool got_first_frame_;
base::TimeDelta last_frame_timestamp_;
base::TimeDelta start_time_;
// Used for accessing |read_cb_| from another thread.
base::Lock lock_;
DISALLOW_COPY_AND_ASSIGN(RTCVideoDecoder);
};
#endif // CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_H_
|
