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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CONTENT_RENDERER_MEDIA_RTC_ENCODING_VIDEO_CAPTURER_H_ | |
6 #define CONTENT_RENDERER_MEDIA_RTC_ENCODING_VIDEO_CAPTURER_H_ | |
7 | |
8 #include "base/memory/ref_counted.h" | |
9 #include "media/video/encoded_video_source.h" | |
10 #include "media/video/video_encode_types.h" | |
11 #include "third_party/libjingle/source/talk/media/webrtc/webrtcvie.h" | |
12 | |
13 namespace content { | |
14 | |
15 // Class to represent an encoding capable video capture interface for the | |
16 // WebRTC component. This class expects to be registered as an encoder with | |
17 // an internal source to the WebRTC stack and will not be able to function as | |
18 // an encoder for uncompressed video frames. | |
19 class RtcEncodingVideoCapturer : public webrtc::VideoEncoder { | |
20 public: | |
21 RtcEncodingVideoCapturer(media::EncodedVideoSource* encoded_video_source, | |
22 webrtc::VideoCodecType codec_type); | |
23 virtual ~RtcEncodingVideoCapturer(); | |
24 | |
25 // webrtc::VideoEncoder implementation. | |
26 virtual int32_t InitEncode(const webrtc::VideoCodec* codecSettings, | |
27 int32_t numberOfCores, | |
28 uint32_t maxPayloadSize) OVERRIDE; | |
29 virtual int32_t Encode( | |
30 const webrtc::I420VideoFrame& /* inputImage */, | |
31 const webrtc::CodecSpecificInfo* codecSpecificInfo, | |
32 const std::vector<webrtc::VideoFrameType>* frame_types) OVERRIDE; | |
33 virtual int32_t RegisterEncodeCompleteCallback( | |
34 webrtc::EncodedImageCallback* callback) OVERRIDE; | |
35 virtual int32_t Release() OVERRIDE; | |
36 virtual int32_t SetChannelParameters(uint32_t /* packetLoss */, | |
37 int rtt_in_ms) OVERRIDE; | |
38 virtual int32_t SetRates(uint32_t newBitRate, | |
39 uint32_t frameRate) OVERRIDE; | |
40 private: | |
41 // Forward declaration for private implementation to represent the | |
42 // encoded video source client; | |
43 class EncodedVideoSourceClient; | |
44 scoped_ptr<EncodedVideoSourceClient> encoded_video_source_client_; | |
45 | |
46 // Pointer to the underlying EncodedVideoSource object. It is guaranteed to | |
47 // outlive the RtcEncodingVideoCapturer. | |
48 media::EncodedVideoSource* encoded_video_source_; | |
49 webrtc::VideoCodecType rtc_codec_type_; | |
50 | |
51 DISALLOW_COPY_AND_ASSIGN(RtcEncodingVideoCapturer); | |
52 }; | |
53 | |
54 } // namespace content | |
55 | |
56 #endif // CONTENT_RENDERER_MEDIA_RTC_ENCODING_VIDEO_CAPTURER_H_ | |
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