content/renderer/media/rtc_video_encoder_factory.h

   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_VIDEO_ENCODER_FACTORY_H_
   6 #define CONTENT_RENDERER_MEDIA_RTC_VIDEO_ENCODER_FACTORY_H_
   7
   8 #include <vector>
   9
  10 #include "base/compiler_specific.h"
  11 #include "base/memory/ref_counted.h"
  12 #include "content/common/content_export.h"
  13 #include "third_party/libjingle/source/talk/media/webrtc/webrtcvideoencoderfactory.h"
  14
  15 namespace media {
  16
  17 class GpuVideoAcceleratorFactories;
  18
  19 }  // namespace media
  20
  21 namespace content {
  22
  23 // This class creates RTCVideoEncoder instances (each wrapping a
  24 // media::VideoEncodeAccelerator) on behalf of the WebRTC stack.
  25 class CONTENT_EXPORT RTCVideoEncoderFactory
  26     : NON_EXPORTED_BASE(public cricket::WebRtcVideoEncoderFactory) {
  27  public:
  28   explicit RTCVideoEncoderFactory(
  29       const scoped_refptr<media::GpuVideoAcceleratorFactories>& gpu_factories);
  30   virtual ~RTCVideoEncoderFactory();
  31
  32   // cricket::WebRtcVideoEncoderFactory implementation.
  33   virtual webrtc::VideoEncoder* CreateVideoEncoder(
  34       webrtc::VideoCodecType type) OVERRIDE;
  35   virtual void AddObserver(Observer* observer) OVERRIDE;
  36   virtual void RemoveObserver(Observer* observer) OVERRIDE;
  37   virtual const std::vector<VideoCodec>& codecs() const OVERRIDE;
  38   virtual void DestroyVideoEncoder(webrtc::VideoEncoder* encoder) OVERRIDE;
  39
  40  private:
  41   const scoped_refptr<media::GpuVideoAcceleratorFactories> gpu_factories_;
  42
  43   // Codec support list of cricket::WebRtcVideoEncoderFactory::VideoCodec
  44   // instances.
  45   std::vector<VideoCodec> codecs_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(RTCVideoEncoderFactory);
  48 };
  49
  50 }  // namespace content
  51
  52 #endif  //  CONTENT_RENDERER_MEDIA_RTC_VIDEO_ENCODER_FACTORY_H_