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Side by Side Diff: media/cast/video_sender/video_encoder.h

Issue 25544003: Fix code style and gyp files in cast to build cast_unittest (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: fixed gyp files Created 7 years, 2 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 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 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_CAST_VIDEO_SENDER_VIDEO_ENCODER_H_ 5 #ifndef MEDIA_CAST_VIDEO_SENDER_VIDEO_ENCODER_H_
6 #define MEDIA_CAST_VIDEO_SENDER_VIDEO_ENCODER_H_ 6 #define MEDIA_CAST_VIDEO_SENDER_VIDEO_ENCODER_H_
7 7
8 #include "base/memory/ref_counted.h" 8 #include "base/memory/ref_counted.h"
9 #include "base/memory/scoped_ptr.h" 9 #include "base/memory/scoped_ptr.h"
10 #include "base/message_loop/message_loop.h" 10 #include "base/message_loop/message_loop.h"
11 #include "media/cast/cast_config.h" 11 #include "media/cast/cast_config.h"
12 #include "media/cast/cast_thread.h" 12 #include "media/cast/cast_thread.h"
13 #include "media/cast/video_sender/codecs/vp8/vp8_encoder.h" 13 #include "media/cast/video_sender/codecs/vp8/vp8_encoder.h"
14 14
15 namespace media { 15 namespace media {
16 namespace cast { 16 namespace cast {
17 17
18 // This object is called external from the main cast thread and internally from 18 // This object is called external from the main cast thread and internally from
19 // the video encoder thread. 19 // the video encoder thread.
20 class VideoEncoder : public VideoEncoderController, 20 class VideoEncoder : public VideoEncoderController,
21 public base::RefCountedThreadSafe<VideoEncoder> { 21 public base::RefCountedThreadSafe<VideoEncoder> {
22 public: 22 public:
23 typedef base::Callback<void(scoped_ptr<EncodedVideoFrame>, 23 typedef base::Callback<void(scoped_ptr<EncodedVideoFrame>,
24 const base::TimeTicks&)> FrameEncodedCallback; 24 const base::TimeTicks&)> FrameEncodedCallback;
25 25
26 VideoEncoder(scoped_refptr<CastThread> cast_thread, 26 VideoEncoder(scoped_refptr<CastThread> cast_thread,
27 const VideoSenderConfig& video_config, 27 const VideoSenderConfig& video_config,
28 uint8 max_unacked_frames); 28 uint8 max_unacked_frames);
29 29
30 virtual ~VideoEncoder();
31
32 // Called from the main cast thread. This function post the encode task to the 30 // Called from the main cast thread. This function post the encode task to the
33 // video encoder thread; 31 // video encoder thread;
34 // The video_frame must be valid until the closure callback is called. 32 // The video_frame must be valid until the closure callback is called.
35 // The closure callback is called from the video encoder thread as soon as 33 // The closure callback is called from the video encoder thread as soon as
36 // the encoder is done with the frame; it does not mean that the encoded frame 34 // the encoder is done with the frame; it does not mean that the encoded frame
37 // has been sent out. 35 // has been sent out.
38 // Once the encoded frame is ready the frame_encoded_callback is called. 36 // Once the encoded frame is ready the frame_encoded_callback is called.
39 bool EncodeVideoFrame(const I420VideoFrame* video_frame, 37 bool EncodeVideoFrame(const I420VideoFrame* video_frame,
40 const base::TimeTicks& capture_time, 38 const base::TimeTicks& capture_time,
41 const FrameEncodedCallback& frame_encoded_callback, 39 const FrameEncodedCallback& frame_encoded_callback,
42 const base::Closure frame_release_callback); 40 const base::Closure frame_release_callback);
43 41
44 protected: 42 protected:
43 virtual ~VideoEncoder();
44
45 struct CodecDynamicConfig { 45 struct CodecDynamicConfig {
46 bool key_frame_requested; 46 bool key_frame_requested;
47 uint8 latest_frame_id_to_reference; 47 uint8 latest_frame_id_to_reference;
48 int bit_rate; 48 int bit_rate;
49 }; 49 };
50 50
51 // The actual encode, called from the video encoder thread. 51 // The actual encode, called from the video encoder thread.
52 void EncodeVideoFrameEncoderThread( 52 void EncodeVideoFrameEncoderThread(
53 const I420VideoFrame* video_frame, 53 const I420VideoFrame* video_frame,
54 const base::TimeTicks& capture_time, 54 const base::TimeTicks& capture_time,
55 const CodecDynamicConfig& dynamic_config, 55 const CodecDynamicConfig& dynamic_config,
56 const FrameEncodedCallback& frame_encoded_callback, 56 const FrameEncodedCallback& frame_encoded_callback,
57 const base::Closure frame_release_callback); 57 const base::Closure frame_release_callback);
58 58
59 // The following functions are called from the main cast thread. 59 // The following functions are called from the main cast thread.
60 virtual void SetBitRate(int new_bit_rate) OVERRIDE; 60 virtual void SetBitRate(int new_bit_rate) OVERRIDE;
61 virtual void SkipNextFrame(bool skip_next_frame) OVERRIDE; 61 virtual void SkipNextFrame(bool skip_next_frame) OVERRIDE;
62 virtual void GenerateKeyFrame() OVERRIDE; 62 virtual void GenerateKeyFrame() OVERRIDE;
63 virtual void LatestFrameIdToReference(uint8 frame_id) OVERRIDE; 63 virtual void LatestFrameIdToReference(uint8 frame_id) OVERRIDE;
64 virtual int NumberOfSkippedFrames() const OVERRIDE; 64 virtual int NumberOfSkippedFrames() const OVERRIDE;
65 65
66 private: 66 private:
67 friend class base::RefCountedThreadSafe<VideoEncoder>;
68
67 const VideoSenderConfig video_config_; 69 const VideoSenderConfig video_config_;
68 scoped_refptr<CastThread> cast_thread_; 70 scoped_refptr<CastThread> cast_thread_;
69 scoped_ptr<Vp8Encoder> vp8_encoder_; 71 scoped_ptr<Vp8Encoder> vp8_encoder_;
70 CodecDynamicConfig dynamic_config_; 72 CodecDynamicConfig dynamic_config_;
71 bool skip_next_frame_; 73 bool skip_next_frame_;
72 int skip_count_; 74 int skip_count_;
73 75
74 DISALLOW_COPY_AND_ASSIGN(VideoEncoder); 76 DISALLOW_COPY_AND_ASSIGN(VideoEncoder);
75 }; 77 };
76 78
77 } // namespace cast 79 } // namespace cast
78 } // namespace media 80 } // namespace media
79 81
80 #endif // MEDIA_CAST_VIDEO_SENDER_VIDEO_ENCODER_H_ 82 #endif // MEDIA_CAST_VIDEO_SENDER_VIDEO_ENCODER_H_
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