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FFmpeg/vhook/null.c
Philip Gladstone 6c11d48cab Added a release function to free up the context. Also removed the dummy
declarations at the bottom of the file. This type checking is now handled by the
header file.

Originally committed as revision 1295 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-11-30 17:17:58 +00:00

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 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);
}