Files
gb28181/GB28181Device/media/video_capture_linux.h
2024-12-15 20:42:32 +08:00

73 lines
2.3 KiB
C++

/***************************************************************************************
*
* IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
*
* By downloading, copying, installing or using the software you agree to this license.
* If you do not agree to this license, do not download, install,
* copy or use the software.
*
* Copyright (C) 2014-2022, Happytimesoft Corporation, all rights reserved.
*
* Redistribution and use in binary forms, with or without modification, are permitted.
*
* Unless required by applicable law or agreed to in writing, software distributed
* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
* language governing permissions and limitations under the License.
*
****************************************************************************************/
#ifndef _VIDIO_CAPTURE_LINUX_H
#define _VIDIO_CAPTURE_LINUX_H
#include "video_capture.h"
/*************************************************************************************/
#define QBUF_COUNT 4
/*************************************************************************************/
class CLVideoCapture : public CVideoCapture
{
public:
// get video capture devices numbers
static int getDeviceNums();
// list avaivalbe video capture device
static void listDevice();
// get device index by device name
static int getDeviceIndex(const char * name);
// get the single instance
static CVideoCapture * getInstance(int devid);
BOOL initCapture(int codec, int width, int height, double framerate, int bitrate);
BOOL startCapture();
void captureThread();
private:
CLVideoCapture();
CLVideoCapture(CLVideoCapture &obj);
~CLVideoCapture();
BOOL capture();
void stopCapture();
int initDevice(int *width, int *height, uint32 *desired_format);
void uninitDevice();
int mmapInit();
void mmapUninit();
int toLocalVideoFormat(int v4l2_pixfmt);
BOOL getDeviceName(int index, char * name, int len);
private:
int m_fd;
uint32 m_nBuffers;
void ** m_pBufStart;
uint32 * m_pBufLen;
};
#endif // _VIDIO_CAPTURE_LINUX_H