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Tetragramm
GitHub Repository: Tetragramm/opencv
 Path: blob/master/modules/videoio/src/cap_ffmpeg_api.hpp
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#ifndef __OPENCV_FFMPEG_H__

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#define __OPENCV_FFMPEG_H__

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#ifdef __cplusplus

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extern "C"

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{

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#endif

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#if defined _WIN32

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#   define OPENCV_FFMPEG_API __declspec(dllexport)

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#elif defined __GNUC__ && __GNUC__ >= 4

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#   define OPENCV_FFMPEG_API __attribute__ ((visibility ("default")))

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#else

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#   define OPENCV_FFMPEG_API

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#endif

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enum

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{

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    CV_FFMPEG_CAP_PROP_POS_MSEC=0,

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    CV_FFMPEG_CAP_PROP_POS_FRAMES=1,

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    CV_FFMPEG_CAP_PROP_POS_AVI_RATIO=2,

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    CV_FFMPEG_CAP_PROP_FRAME_WIDTH=3,

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    CV_FFMPEG_CAP_PROP_FRAME_HEIGHT=4,

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    CV_FFMPEG_CAP_PROP_FPS=5,

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    CV_FFMPEG_CAP_PROP_FOURCC=6,

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    CV_FFMPEG_CAP_PROP_FRAME_COUNT=7,

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    CV_FFMPEG_CAP_PROP_SAR_NUM=40,

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    CV_FFMPEG_CAP_PROP_SAR_DEN=41

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};

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typedef struct CvCapture_FFMPEG CvCapture_FFMPEG;

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typedef struct CvVideoWriter_FFMPEG CvVideoWriter_FFMPEG;

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OPENCV_FFMPEG_API struct CvCapture_FFMPEG* cvCreateFileCapture_FFMPEG(const char* filename);

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OPENCV_FFMPEG_API int cvSetCaptureProperty_FFMPEG(struct CvCapture_FFMPEG* cap,

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                                                  int prop, double value);

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OPENCV_FFMPEG_API double cvGetCaptureProperty_FFMPEG(struct CvCapture_FFMPEG* cap, int prop);

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OPENCV_FFMPEG_API int cvGrabFrame_FFMPEG(struct CvCapture_FFMPEG* cap);

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OPENCV_FFMPEG_API int cvRetrieveFrame_FFMPEG(struct CvCapture_FFMPEG* capture, unsigned char** data,

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                                             int* step, int* width, int* height, int* cn);

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OPENCV_FFMPEG_API void cvReleaseCapture_FFMPEG(struct CvCapture_FFMPEG** cap);

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OPENCV_FFMPEG_API struct CvVideoWriter_FFMPEG* cvCreateVideoWriter_FFMPEG(const char* filename,

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            int fourcc, double fps, int width, int height, int isColor );

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OPENCV_FFMPEG_API int cvWriteFrame_FFMPEG(struct CvVideoWriter_FFMPEG* writer, const unsigned char* data,

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                                          int step, int width, int height, int cn, int origin);

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OPENCV_FFMPEG_API void cvReleaseVideoWriter_FFMPEG(struct CvVideoWriter_FFMPEG** writer);

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typedef CvCapture_FFMPEG* (*CvCreateFileCapture_Plugin)( const char* filename );

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typedef CvCapture_FFMPEG* (*CvCreateCameraCapture_Plugin)( int index );

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typedef int (*CvGrabFrame_Plugin)( CvCapture_FFMPEG* capture_handle );

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typedef int (*CvRetrieveFrame_Plugin)( CvCapture_FFMPEG* capture_handle, unsigned char** data, int* step,

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                                       int* width, int* height, int* cn );

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typedef int (*CvSetCaptureProperty_Plugin)( CvCapture_FFMPEG* capture_handle, int prop_id, double value );

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typedef double (*CvGetCaptureProperty_Plugin)( CvCapture_FFMPEG* capture_handle, int prop_id );

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typedef void (*CvReleaseCapture_Plugin)( CvCapture_FFMPEG** capture_handle );

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typedef CvVideoWriter_FFMPEG* (*CvCreateVideoWriter_Plugin)( const char* filename, int fourcc,

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                                             double fps, int width, int height, int iscolor );

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typedef int (*CvWriteFrame_Plugin)( CvVideoWriter_FFMPEG* writer_handle, const unsigned char* data, int step,

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                                    int width, int height, int cn, int origin);

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typedef void (*CvReleaseVideoWriter_Plugin)( CvVideoWriter_FFMPEG** writer );

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/*

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 * For CUDA encoder

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 */

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OPENCV_FFMPEG_API struct OutputMediaStream_FFMPEG* create_OutputMediaStream_FFMPEG(const char* fileName, int width, int height, double fps);

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OPENCV_FFMPEG_API void release_OutputMediaStream_FFMPEG(struct OutputMediaStream_FFMPEG* stream);

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OPENCV_FFMPEG_API void write_OutputMediaStream_FFMPEG(struct OutputMediaStream_FFMPEG* stream, unsigned char* data, int size, int keyFrame);

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typedef struct OutputMediaStream_FFMPEG* (*Create_OutputMediaStream_FFMPEG_Plugin)(const char* fileName, int width, int height, double fps);

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typedef void (*Release_OutputMediaStream_FFMPEG_Plugin)(struct OutputMediaStream_FFMPEG* stream);

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typedef void (*Write_OutputMediaStream_FFMPEG_Plugin)(struct OutputMediaStream_FFMPEG* stream, unsigned char* data, int size, int keyFrame);

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/*

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 * For CUDA decoder

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 */

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OPENCV_FFMPEG_API struct InputMediaStream_FFMPEG* create_InputMediaStream_FFMPEG(const char* fileName, int* codec, int* chroma_format, int* width, int* height);

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OPENCV_FFMPEG_API void release_InputMediaStream_FFMPEG(struct InputMediaStream_FFMPEG* stream);

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OPENCV_FFMPEG_API int read_InputMediaStream_FFMPEG(struct InputMediaStream_FFMPEG* stream, unsigned char** data, int* size, int* endOfFile);

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typedef struct InputMediaStream_FFMPEG* (*Create_InputMediaStream_FFMPEG_Plugin)(const char* fileName, int* codec, int* chroma_format, int* width, int* height);

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typedef void (*Release_InputMediaStream_FFMPEG_Plugin)(struct InputMediaStream_FFMPEG* stream);

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typedef int (*Read_InputMediaStream_FFMPEG_Plugin)(struct InputMediaStream_FFMPEG* stream, unsigned char** data, int* size, int* endOfFile);

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#ifdef __cplusplus

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}

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#endif

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#endif

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