#ifndef _FRAMEHOOK_H#define _FRAMEHOOK_H/* * Prototypes for interface to .so that implement a video processing hook  */#include "avcodec.h"/* Function must be called 'Configure' */typedef int (FrameHookConfigure)(void **ctxp, int argc, char *argv[]);typedef FrameHookConfigure *FrameHookConfigureFn;extern FrameHookConfigure Configure;/* Function must be called 'Process' */typedef void (FrameHookProcess)(void *ctx, struct AVPicture *pict, enum PixelFormat pix_fmt, int width, int height, int64_t pts);typedef FrameHookProcess *FrameHookProcessFn;extern FrameHookProcess Process;/* Function must be called 'Release' */typedef void (FrameHookRelease)(void *ctx);typedef FrameHookRelease *FrameHookReleaseFn;extern FrameHookRelease Release;extern int frame_hook_add(int argc, char *argv[]);extern void frame_hook_process(struct AVPicture *pict, enum PixelFormat pix_fmt, int width, int height);extern void frame_hook_release(void);#endif