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1 // Copyright 2014 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_CAST_VIDEO_SENDER_SOFTWARE_VIDEO_ENCODER_H_ | |
6 #define MEDIA_CAST_VIDEO_SENDER_SOFTWARE_VIDEO_ENCODER_H_ | |
7 | |
8 #include "base/basictypes.h" | |
9 #include "base/memory/ref_counted.h" | |
10 | |
11 namespace media { | |
12 class VideoFrame; | |
13 } | |
14 | |
15 namespace media { | |
16 namespace cast { | |
17 namespace transport { | |
18 struct EncodedFrame; | |
19 } // namespace transport | |
20 | |
21 class SoftwareVideoEncoder { | |
22 public: | |
23 virtual ~SoftwareVideoEncoder() {} | |
24 | |
25 // Initialize the encoder before Encode() can be called. This method | |
26 // must be called on the thread that Encode() is called. | |
27 virtual void Initialize() = 0; | |
28 | |
29 // Encode a raw image (as a part of a video stream). | |
30 virtual bool Encode(const scoped_refptr<media::VideoFrame>& video_frame, | |
31 transport::EncodedFrame* encoded_image) = 0; | |
32 | |
33 // Update the encoder with a new target bit rate. | |
34 virtual void UpdateRates(uint32 new_bitrate) = 0; | |
35 | |
36 // Set the next frame to be a key frame. | |
37 virtual void GenerateKeyFrame() = 0; | |
38 | |
39 // Set the last frame to reference. | |
40 virtual void LatestFrameIdToReference(uint32 frame_id) = 0; | |
41 }; | |
42 | |
43 } // namespace cast | |
44 } // namespace media | |
45 | |
46 #endif // MEDIA_CAST_VIDEO_SENDER_SOFTWARE_VIDEO_ENCODER_H_ | |
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