5f93d0a140
BUG=2133 R=juberti@webrtc.org Review URL: https://webrtc-codereview.appspot.com/39559004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@8105 4adac7df-926f-26a2-2b94-8c16560cd09d
99 lines
3.3 KiB
C++
99 lines
3.3 KiB
C++
/*
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* libjingle
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* Copyright 2010 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_DEVICES_YUVFRAMESCAPTURER_H_
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#define TALK_MEDIA_DEVICES_YUVFRAMESCAPTURER_H_
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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/base/yuvframegenerator.h"
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#include "webrtc/base/stream.h"
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#include "webrtc/base/stringutils.h"
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namespace rtc {
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class FileStream;
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}
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namespace cricket {
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// Simulated video capturer that periodically reads frames from a file.
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class YuvFramesCapturer : public VideoCapturer {
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public:
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YuvFramesCapturer();
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YuvFramesCapturer(int width, int height);
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virtual ~YuvFramesCapturer();
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static const char* kYuvFrameDeviceName;
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static Device CreateYuvFramesCapturerDevice() {
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std::stringstream id;
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id << kYuvFrameDeviceName;
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return Device(id.str(), id.str());
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}
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static bool IsYuvFramesCapturerDevice(const Device& device) {
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return rtc::starts_with(device.id.c_str(), kYuvFrameDeviceName);
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}
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void Init();
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// Override virtual methods of parent class VideoCapturer.
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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 parent class VideoCapturer.
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virtual bool GetPreferredFourccs(std::vector<uint32>* fourccs);
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// Read a frame and determine how long to wait for the next frame.
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void ReadFrame(bool first_frame);
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private:
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class YuvFramesThread; // Forward declaration, defined in .cc.
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YuvFrameGenerator* frame_generator_;
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CapturedFrame captured_frame_;
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YuvFramesThread* frames_generator_thread;
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int width_;
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int height_;
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uint32 frame_data_size_;
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uint32 frame_index_;
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int64 barcode_reference_timestamp_millis_;
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int32 barcode_interval_;
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int32 GetBarcodeValue();
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DISALLOW_COPY_AND_ASSIGN(YuvFramesCapturer);
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};
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} // namespace cricket
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#endif // TALK_MEDIA_DEVICES_YUVFRAMESCAPTURER_H_
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