28e2075280
trunk/talk git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
104 lines
4.1 KiB
C++
104 lines
4.1 KiB
C++
// libjingle
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// Copyright 2004 Google Inc.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// 3. The name of the author may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef TALK_MEDIA_WEBRTCVIDEOCAPTURER_H_
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#define TALK_MEDIA_WEBRTCVIDEOCAPTURER_H_
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#ifdef HAVE_WEBRTC_VIDEO
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#include <string>
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#include <vector>
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#include "talk/base/messagehandler.h"
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#include "talk/media/base/videocapturer.h"
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#include "talk/media/webrtc/webrtcvideoframe.h"
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#include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
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#include "webrtc/modules/video_capture/include/video_capture.h"
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namespace cricket {
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// Factory to allow injection of a VCM impl into WebRtcVideoCapturer.
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// DeviceInfos do not have a Release() and therefore need an explicit Destroy().
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class WebRtcVcmFactoryInterface {
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public:
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virtual ~WebRtcVcmFactoryInterface() {}
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virtual webrtc::VideoCaptureModule* Create(
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int id, const char* device) = 0;
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virtual webrtc::VideoCaptureModule::DeviceInfo* CreateDeviceInfo(int id) = 0;
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virtual void DestroyDeviceInfo(
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webrtc::VideoCaptureModule::DeviceInfo* info) = 0;
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};
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// WebRTC-based implementation of VideoCapturer.
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class WebRtcVideoCapturer : public VideoCapturer,
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public webrtc::VideoCaptureDataCallback {
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public:
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WebRtcVideoCapturer();
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explicit WebRtcVideoCapturer(WebRtcVcmFactoryInterface* factory);
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virtual ~WebRtcVideoCapturer();
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bool Init(const Device& device);
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bool Init(webrtc::VideoCaptureModule* module);
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// Override virtual methods of the parent class VideoCapturer.
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virtual bool GetBestCaptureFormat(const VideoFormat& desired,
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VideoFormat* best_format);
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virtual CaptureState Start(const VideoFormat& capture_format);
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virtual void Stop();
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virtual bool IsRunning();
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virtual bool IsScreencast() const { return false; }
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protected:
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// Override virtual methods of the parent class VideoCapturer.
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virtual bool GetPreferredFourccs(std::vector<uint32>* fourccs);
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private:
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// Callback when a frame is captured by camera.
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virtual void OnIncomingCapturedFrame(const int32_t id,
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webrtc::I420VideoFrame& frame);
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virtual void OnIncomingCapturedEncodedFrame(const int32_t id,
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webrtc::VideoFrame& frame,
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webrtc::VideoCodecType codec_type) {
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}
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virtual void OnCaptureDelayChanged(const int32_t id,
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const int32_t delay);
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talk_base::scoped_ptr<WebRtcVcmFactoryInterface> factory_;
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webrtc::VideoCaptureModule* module_;
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int captured_frames_;
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talk_base::scoped_ptr<FrameBuffer> captured_frame_;
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};
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struct WebRtcCapturedFrame : public CapturedFrame {
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public:
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WebRtcCapturedFrame(const webrtc::I420VideoFrame& frame,
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void* buffer, int length);
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};
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} // namespace cricket
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#endif // HAVE_WEBRTC_VIDEO
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#endif // TALK_MEDIA_WEBRTCVIDEOCAPTURER_H_
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