www.pudn.com > ffmpeg_c.rar > framehook.h

/* 
 * video processing hooks 
 * copyright (c) 2000, 2001 Fabrice Bellard 
 * 
 * This file is part of FFmpeg. 
 * 
 * FFmpeg is free software; you can redistribute it and/or 
 * modify it under the terms of the GNU Lesser General Public 
 * License as published by the Free Software Foundation; either 
 * version 2.1 of the License, or (at your option) any later version. 
 * 
 * FFmpeg is distributed in the hope that it will be useful, 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
 * Lesser General Public License for more details. 
 * 
 * You should have received a copy of the GNU Lesser General Public 
 * License along with FFmpeg; if not, write to the Free Software 
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 
 */ 
 
#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