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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 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 | 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 #ifndef MEDIA_FILTERS_RTC_VIDEO_DECODER_H_ | 5 #ifndef CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_H_ |
6 #define MEDIA_FILTERS_RTC_VIDEO_DECODER_H_ | 6 #define CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_H_ |
7 | 7 |
8 #include <deque> | 8 #include <deque> |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/gtest_prod_util.h" | 11 #include "base/gtest_prod_util.h" |
12 #include "base/time.h" | 12 #include "base/time.h" |
13 #include "media/base/filters.h" | 13 #include "media/base/filters.h" |
14 #include "media/base/video_frame.h" | 14 #include "media/base/video_frame.h" |
15 #include "media/filters/decoder_base.h" | 15 #include "media/filters/decoder_base.h" |
16 | 16 |
17 // TODO(ronghuawu) ExternalRenderer should be defined in WebRtc | 17 // TODO(ronghuawu) ExternalRenderer should be defined in WebRtc |
18 class ExternalRenderer { | 18 class ExternalRenderer { |
scherkus (not reviewing)
2011/06/24 21:33:39
can you move this into a separate .h file?
| |
19 public: | 19 public: |
20 virtual int FrameSizeChange(unsigned int width, | 20 virtual int FrameSizeChange(unsigned int width, |
21 unsigned int height, | 21 unsigned int height, |
22 unsigned int number_of_streams) = 0; | 22 unsigned int number_of_streams) = 0; |
23 virtual int DeliverFrame(unsigned char* buffer, int buffer_size) = 0; | 23 virtual int DeliverFrame(unsigned char* buffer, int buffer_size) = 0; |
24 | 24 |
25 protected: | 25 protected: |
26 virtual ~ExternalRenderer() {} | 26 virtual ~ExternalRenderer() {} |
27 }; | 27 }; |
28 | 28 |
29 namespace media { | 29 class RTCVideoDecoder : public media::VideoDecoder, |
scherkus (not reviewing)
2011/06/24 21:33:39
nit: use initializer list format
class RTCVideoDe
Ronghua
2011/06/27 22:34:51
Done.
| |
30 | |
31 class RTCVideoDecoder : public VideoDecoder, | |
32 public ExternalRenderer { | 30 public ExternalRenderer { |
33 public: | 31 public: |
34 RTCVideoDecoder(MessageLoop* message_loop, const std::string& url); | 32 RTCVideoDecoder(MessageLoop* message_loop, const std::string& url); |
35 virtual ~RTCVideoDecoder(); | 33 virtual ~RTCVideoDecoder(); |
36 | 34 |
37 // Filter implementation. | 35 // Filter implementation. |
38 virtual void Play(FilterCallback* callback); | 36 virtual void Play(media::FilterCallback* callback); |
39 virtual void Seek(base::TimeDelta time, const FilterStatusCB& cb); | 37 virtual void Seek(base::TimeDelta time, const media::FilterStatusCB& cb); |
40 virtual void Pause(FilterCallback* callback); | 38 virtual void Pause(media::FilterCallback* callback); |
41 virtual void Stop(FilterCallback* callback); | 39 virtual void Stop(media::FilterCallback* callback); |
42 | 40 |
43 // Decoder implementation. | 41 // Decoder implementation. |
44 virtual void Initialize(DemuxerStream* demuxer_stream, | 42 virtual void Initialize(media::DemuxerStream* demuxer_stream, |
45 FilterCallback* filter_callback, | 43 media::FilterCallback* filter_callback, |
46 StatisticsCallback* stat_callback); | 44 media::StatisticsCallback* stat_callback); |
47 virtual const MediaFormat& media_format(); | 45 virtual const media::MediaFormat& media_format(); |
48 virtual void ProduceVideoFrame(scoped_refptr<VideoFrame> video_frame); | 46 virtual void ProduceVideoFrame(scoped_refptr<media::VideoFrame> video_frame); |
49 virtual bool ProvidesBuffer(); | 47 virtual bool ProvidesBuffer(); |
50 | 48 |
51 // ExternalRenderer implementation | 49 // ExternalRenderer implementation |
52 virtual int FrameSizeChange(unsigned int width, | 50 virtual int FrameSizeChange(unsigned int width, |
53 unsigned int height, | 51 unsigned int height, |
54 unsigned int number_of_streams); | 52 unsigned int number_of_streams); |
55 | 53 |
56 virtual int DeliverFrame(unsigned char* buffer, | 54 virtual int DeliverFrame(unsigned char* buffer, |
57 int buffer_size); | 55 int buffer_size); |
58 | 56 |
59 // TODO(ronghuawu): maybe move this function to a | |
60 // base class (RawVideoDecoder) so that the camera preview may share this. | |
61 static bool IsUrlSupported(const std::string& url); | |
62 | |
63 private: | 57 private: |
64 friend class RTCVideoDecoderTest; | 58 friend class RTCVideoDecoderTest; |
65 FRIEND_TEST_ALL_PREFIXES(RTCVideoDecoderTest, Initialize_Successful); | 59 FRIEND_TEST_ALL_PREFIXES(RTCVideoDecoderTest, Initialize_Successful); |
66 FRIEND_TEST_ALL_PREFIXES(RTCVideoDecoderTest, DoSeek); | 60 FRIEND_TEST_ALL_PREFIXES(RTCVideoDecoderTest, DoSeek); |
67 FRIEND_TEST_ALL_PREFIXES(RTCVideoDecoderTest, DoDeliverFrame); | 61 FRIEND_TEST_ALL_PREFIXES(RTCVideoDecoderTest, DoDeliverFrame); |
68 FRIEND_TEST_ALL_PREFIXES(RTCVideoDecoderTest, DoFrameSizeChange); | 62 FRIEND_TEST_ALL_PREFIXES(RTCVideoDecoderTest, DoFrameSizeChange); |
69 | 63 |
70 enum DecoderState { | 64 enum DecoderState { |
71 kUnInitialized, | 65 kUnInitialized, |
72 kNormal, | 66 kNormal, |
73 kSeeking, | 67 kSeeking, |
74 kPaused, | 68 kPaused, |
75 kStopped | 69 kStopped |
76 }; | 70 }; |
77 | 71 |
78 MessageLoop* message_loop_; | 72 MessageLoop* message_loop_; |
79 size_t width_; | 73 size_t width_; |
80 size_t height_; | 74 size_t height_; |
81 std::string url_; | 75 std::string url_; |
82 DecoderState state_; | 76 DecoderState state_; |
83 MediaFormat media_format_; | 77 media::MediaFormat media_format_; |
84 std::deque<scoped_refptr<VideoFrame> > frame_queue_available_; | 78 std::deque<scoped_refptr<media::VideoFrame> > frame_queue_available_; |
85 // Used for accessing frame queue from another thread. | 79 // Used for accessing frame queue from another thread. |
86 base::Lock lock_; | 80 base::Lock lock_; |
87 | 81 |
88 DISALLOW_COPY_AND_ASSIGN(RTCVideoDecoder); | 82 DISALLOW_COPY_AND_ASSIGN(RTCVideoDecoder); |
89 }; | 83 }; |
90 | 84 |
91 } // namespace media | 85 #endif // CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_H_ |
92 | 86 |
93 #endif // MEDIA_FILTERS_RTC_VIDEO_DECODER_H_ | |
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