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/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_LINUX_VIDEO_CAPTURE_LINUX_H_
#define WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_LINUX_VIDEO_CAPTURE_LINUX_H_
#include "webrtc/common_types.h"
#include "webrtc/modules/video_capture/video_capture_impl.h"
namespace webrtc
{
class CriticalSectionWrapper;
class ThreadWrapper;
namespace videocapturemodule
{
class VideoCaptureModuleV4L2: public VideoCaptureImpl
{
public:
VideoCaptureModuleV4L2(int32_t id);
virtual ~VideoCaptureModuleV4L2();
virtual int32_t Init(const char* deviceUniqueId);
virtual int32_t StartCapture(const VideoCaptureCapability& capability);
virtual int32_t StopCapture();
virtual bool CaptureStarted();
virtual int32_t CaptureSettings(VideoCaptureCapability& settings);
private:
enum {kNoOfV4L2Bufffers=4};
static bool CaptureThread(void*);
bool CaptureProcess();
bool AllocateVideoBuffers();
bool DeAllocateVideoBuffers();
ThreadWrapper* _captureThread;
CriticalSectionWrapper* _captureCritSect;
int32_t _deviceId;
int32_t _deviceFd;
int32_t _buffersAllocatedByDevice;
int32_t _currentWidth;
int32_t _currentHeight;
int32_t _currentFrameRate;
bool _captureStarted;
RawVideoType _captureVideoType;
struct Buffer
{
void *start;
size_t length;
};
Buffer *_pool;
};
} // namespace videocapturemodule
} // namespace webrtc
#endif // WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_LINUX_VIDEO_CAPTURE_LINUX_H_
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