src/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 content {
  16
  17 class RendererGpuVideoAcceleratorFactories;
  18
  19 // This class creates RTCVideoEncoder instances (each wrapping a
  20 // media::VideoEncodeAccelerator) on behalf of the WebRTC stack.
  21 class CONTENT_EXPORT RTCVideoEncoderFactory
  22     : NON_EXPORTED_BASE(public cricket::WebRtcVideoEncoderFactory) {
  23  public:
  24   explicit RTCVideoEncoderFactory(
  25       const scoped_refptr<RendererGpuVideoAcceleratorFactories>& gpu_factories);
  26   virtual ~RTCVideoEncoderFactory();
  27
  28   // cricket::WebRtcVideoEncoderFactory implementation.
  29   virtual webrtc::VideoEncoder* CreateVideoEncoder(
  30       webrtc::VideoCodecType type) OVERRIDE;
  31   virtual void AddObserver(Observer* observer) OVERRIDE;
  32   virtual void RemoveObserver(Observer* observer) OVERRIDE;
  33   virtual const std::vector<VideoCodec>& codecs() const OVERRIDE;
  34   virtual void DestroyVideoEncoder(webrtc::VideoEncoder* encoder) OVERRIDE;
  35
  36  private:
  37   const scoped_refptr<RendererGpuVideoAcceleratorFactories> gpu_factories_;
  38
  39   // Codec support list of cricket::WebRtcVideoEncoderFactory::VideoCodec
  40   // instances.
  41   std::vector<VideoCodec> codecs_;
  42
  43   DISALLOW_COPY_AND_ASSIGN(RTCVideoEncoderFactory);
  44 };
  45
  46 }  // namespace content
  47
  48 #endif  //  CONTENT_RENDERER_MEDIA_RTC_VIDEO_ENCODER_FACTORY_H_