4765070b8d
This is a mechanical change since it affects so many files. I420VideoFrame -> VideoFrame and reformatted. Rationale: in the next CL I420VideoFrame will get an indication of Pixel Format (I420 for starters) and of storage type: usually UNOWNED, could be SHMEM, and in the near future will be possibly TEXTURE. See https://codereview.chromium.org/1154153003 for the change that happened in Cr. BUG=4730, chromium:440843 R=jiayl@webrtc.org, niklas.enbom@webrtc.org, pthatcher@webrtc.org Review URL: https://webrtc-codereview.appspot.com/52629004 Cr-Commit-Position: refs/heads/master@{#9339}
117 lines
4.6 KiB
C++
117 lines
4.6 KiB
C++
/*
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* 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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*/
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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/media/base/videocapturer.h"
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#include "talk/media/webrtc/webrtcvideoframe.h"
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#include "webrtc/base/asyncinvoker.h"
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#include "webrtc/base/messagehandler.h"
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#include "webrtc/base/scoped_ptr.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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virtual bool SetApplyRotation(bool enable);
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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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const webrtc::VideoFrame& frame);
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virtual void OnCaptureDelayChanged(const int32_t id,
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const int32_t delay);
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// Used to signal captured frames on the same thread as invoked Start().
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// With WebRTC's current VideoCapturer implementations, this will mean a
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// thread hop, but in other implementations (e.g. Chrome) it will be called
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// directly from OnIncomingCapturedFrame.
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// TODO(tommi): Remove this workaround when we've updated the WebRTC capturers
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// to follow the same contract.
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void SignalFrameCapturedOnStartThread(const webrtc::VideoFrame frame);
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rtc::scoped_ptr<WebRtcVcmFactoryInterface> factory_;
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webrtc::VideoCaptureModule* module_;
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int captured_frames_;
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std::vector<uint8_t> capture_buffer_;
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rtc::Thread* start_thread_; // Set in Start(), unset in Stop();
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rtc::scoped_ptr<rtc::AsyncInvoker> async_invoker_;
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};
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struct WebRtcCapturedFrame : public CapturedFrame {
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public:
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WebRtcCapturedFrame(const webrtc::VideoFrame& frame,
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void* buffer,
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size_t 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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