1 #ifndef __OPENCV_FFMPEG_H__ 2 #define __OPENCV_FFMPEG_H__ 3 4 #ifdef __cplusplus 5 extern "C" 6 { 7 #endif 8 9 #if defined WIN32 || defined _WIN32 10 # define OPENCV_FFMPEG_API __declspec(dllexport) 11 #elif defined __GNUC__ && __GNUC__ >= 4 12 # define OPENCV_FFMPEG_API __attribute__ ((visibility ("default"))) 13 #else 14 # define OPENCV_FFMPEG_API 15 #endif 16 17 enum 18 { 19 CV_FFMPEG_CAP_PROP_POS_MSEC=0, 20 CV_FFMPEG_CAP_PROP_POS_FRAMES=1, 21 CV_FFMPEG_CAP_PROP_POS_AVI_RATIO=2, 22 CV_FFMPEG_CAP_PROP_FRAME_WIDTH=3, 23 CV_FFMPEG_CAP_PROP_FRAME_HEIGHT=4, 24 CV_FFMPEG_CAP_PROP_FPS=5, 25 CV_FFMPEG_CAP_PROP_FOURCC=6, 26 CV_FFMPEG_CAP_PROP_FRAME_COUNT=7 27 }; 28 29 30 OPENCV_FFMPEG_API struct CvCapture_FFMPEG* cvCreateFileCapture_FFMPEG(const char* filename); 31 OPENCV_FFMPEG_API struct CvCapture_FFMPEG_2* cvCreateFileCapture_FFMPEG_2(const char* filename); 32 OPENCV_FFMPEG_API int cvSetCaptureProperty_FFMPEG(struct CvCapture_FFMPEG* cap, 33 int prop, double value); 34 OPENCV_FFMPEG_API int cvSetCaptureProperty_FFMPEG_2(struct CvCapture_FFMPEG_2* cap, 35 int prop, double value); 36 OPENCV_FFMPEG_API double cvGetCaptureProperty_FFMPEG(struct CvCapture_FFMPEG* cap, int prop); 37 OPENCV_FFMPEG_API double cvGetCaptureProperty_FFMPEG_2(struct CvCapture_FFMPEG_2* cap, int prop); 38 OPENCV_FFMPEG_API int cvGrabFrame_FFMPEG(struct CvCapture_FFMPEG* cap); 39 OPENCV_FFMPEG_API int cvGrabFrame_FFMPEG_2(struct CvCapture_FFMPEG_2* cap); 40 OPENCV_FFMPEG_API int cvRetrieveFrame_FFMPEG(struct CvCapture_FFMPEG* capture, unsigned char** data, 41 int* step, int* width, int* height, int* cn); 42 OPENCV_FFMPEG_API int cvRetrieveFrame_FFMPEG_2(struct CvCapture_FFMPEG_2* capture, unsigned char** data, 43 int* step, int* width, int* height, int* cn); 44 OPENCV_FFMPEG_API void cvReleaseCapture_FFMPEG(struct CvCapture_FFMPEG** cap); 45 OPENCV_FFMPEG_API void cvReleaseCapture_FFMPEG_2(struct CvCapture_FFMPEG_2** cap); 46 OPENCV_FFMPEG_API struct CvVideoWriter_FFMPEG* cvCreateVideoWriter_FFMPEG(const char* filename, 47 int fourcc, double fps, int width, int height, int isColor ); 48 OPENCV_FFMPEG_API struct CvVideoWriter_FFMPEG_2* cvCreateVideoWriter_FFMPEG_2(const char* filename, 49 int fourcc, double fps, int width, int height, int isColor ); 50 51 OPENCV_FFMPEG_API int cvWriteFrame_FFMPEG(struct CvVideoWriter_FFMPEG* writer, const unsigned char* data, 52 int step, int width, int height, int cn, int origin); 53 54 OPENCV_FFMPEG_API void cvReleaseVideoWriter_FFMPEG(struct CvVideoWriter_FFMPEG** writer); 55 56 typedef void* (*CvCreateFileCapture_Plugin)( const char* filename ); 57 typedef void* (*CvCreateCameraCapture_Plugin)( int index ); 58 typedef int (*CvGrabFrame_Plugin)( void* capture_handle ); 59 typedef int (*CvRetrieveFrame_Plugin)( void* capture_handle, unsigned char** data, int* step, 60 int* width, int* height, int* cn ); 61 typedef int (*CvSetCaptureProperty_Plugin)( void* capture_handle, int prop_id, double value ); 62 typedef double (*CvGetCaptureProperty_Plugin)( void* capture_handle, int prop_id ); 63 typedef void (*CvReleaseCapture_Plugin)( void** capture_handle ); 64 typedef void* (*CvCreateVideoWriter_Plugin)( const char* filename, int fourcc, 65 double fps, int width, int height, int iscolor ); 66 typedef int (*CvWriteFrame_Plugin)( void* writer_handle, const unsigned char* data, int step, 67 int width, int height, int cn, int origin); 68 typedef void (*CvReleaseVideoWriter_Plugin)( void** writer ); 69 70 /* 71 * For CUDA encoder 72 */ 73 74 OPENCV_FFMPEG_API struct OutputMediaStream_FFMPEG* create_OutputMediaStream_FFMPEG(const char* fileName, int width, int height, double fps); 75 OPENCV_FFMPEG_API void release_OutputMediaStream_FFMPEG(struct OutputMediaStream_FFMPEG* stream); 76 OPENCV_FFMPEG_API void write_OutputMediaStream_FFMPEG(struct OutputMediaStream_FFMPEG* stream, unsigned char* data, int size, int keyFrame); 77 78 typedef struct OutputMediaStream_FFMPEG* (*Create_OutputMediaStream_FFMPEG_Plugin)(const char* fileName, int width, int height, double fps); 79 typedef void (*Release_OutputMediaStream_FFMPEG_Plugin)(struct OutputMediaStream_FFMPEG* stream); 80 typedef void (*Write_OutputMediaStream_FFMPEG_Plugin)(struct OutputMediaStream_FFMPEG* stream, unsigned char* data, int size, int keyFrame); 81 82 /* 83 * For CUDA decoder 84 */ 85 86 OPENCV_FFMPEG_API struct InputMediaStream_FFMPEG* create_InputMediaStream_FFMPEG(const char* fileName, int* codec, int* chroma_format, int* width, int* height); 87 OPENCV_FFMPEG_API void release_InputMediaStream_FFMPEG(struct InputMediaStream_FFMPEG* stream); 88 OPENCV_FFMPEG_API int read_InputMediaStream_FFMPEG(struct InputMediaStream_FFMPEG* stream, unsigned char** data, int* size, int* endOfFile); 89 90 typedef struct InputMediaStream_FFMPEG* (*Create_InputMediaStream_FFMPEG_Plugin)(const char* fileName, int* codec, int* chroma_format, int* width, int* height); 91 typedef void (*Release_InputMediaStream_FFMPEG_Plugin)(struct InputMediaStream_FFMPEG* stream); 92 typedef int (*Read_InputMediaStream_FFMPEG_Plugin)(struct InputMediaStream_FFMPEG* stream, unsigned char** data, int* size, int* endOfFile); 93 94 #ifdef __cplusplus 95 } 96 #endif 97 98 #endif 99
