79 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			79 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Null Video Hook 
 | |
|  * Copyright (c) 2002 Philip Gladstone
 | |
|  *
 | |
|  * This library 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 of the License, or (at your option) any later version.
 | |
|  *
 | |
|  * This library 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 this library; if not, write to the Free Software
 | |
|  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 | |
|  */
 | |
| #include <stdio.h>
 | |
| 
 | |
| #include "framehook.h"
 | |
| 
 | |
| typedef struct {
 | |
|     int dummy;
 | |
| } ContextInfo;
 | |
| 
 | |
| void Release(void *ctx)
 | |
| {
 | |
|     ContextInfo *ci;
 | |
|     ci = (ContextInfo *) ctx;
 | |
| 
 | |
|     if (ctx)
 | |
|         av_free(ctx);
 | |
| }
 | |
| 
 | |
| int Configure(void **ctxp, int argc, char *argv[])
 | |
| {
 | |
|     fprintf(stderr, "Called with argc=%d\n", argc);
 | |
| 
 | |
|     *ctxp = av_mallocz(sizeof(ContextInfo));
 | |
|     return 0;
 | |
| }
 | |
| 
 | |
| void Process(void *ctx, AVPicture *picture, enum PixelFormat pix_fmt, int width, int height, int64_t pts)
 | |
| {
 | |
|     ContextInfo *ci = (ContextInfo *) ctx;
 | |
|     char *buf = 0;
 | |
|     AVPicture picture1;
 | |
|     AVPicture *pict = picture;
 | |
| 
 | |
|     (void) ci;
 | |
| 
 | |
|     if (pix_fmt != PIX_FMT_RGB24) {
 | |
|         int size;
 | |
| 
 | |
|         size = avpicture_get_size(PIX_FMT_RGB24, width, height);
 | |
|         buf = av_malloc(size);
 | |
| 
 | |
|         avpicture_fill(&picture1, buf, PIX_FMT_RGB24, width, height);
 | |
|         if (img_convert(&picture1, PIX_FMT_RGB24, 
 | |
|                         picture, pix_fmt, width, height) < 0) {
 | |
|             av_free(buf);
 | |
|             return;
 | |
|         }
 | |
|         pict = &picture1;
 | |
|     }
 | |
| 
 | |
|     /* Insert filter code here */
 | |
| 
 | |
|     if (pix_fmt != PIX_FMT_RGB24) {
 | |
|         if (img_convert(picture, pix_fmt, 
 | |
|                         &picture1, PIX_FMT_RGB24, width, height) < 0) {
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     av_free(buf);
 | |
| }
 | |
| 
 | 
