mirror of
https://github.com/FFmpeg/FFmpeg.git
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79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
/*
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* Null Video Hook
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* Copyright (c) 2002 Philip Gladstone
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdio.h>
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#include "framehook.h"
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typedef struct {
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int dummy;
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} ContextInfo;
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void Release(void *ctx)
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{
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ContextInfo *ci;
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ci = (ContextInfo *) ctx;
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if (ctx)
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av_free(ctx);
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}
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int Configure(void **ctxp, int argc, char *argv[])
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{
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fprintf(stderr, "Called with argc=%d\n", argc);
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*ctxp = av_mallocz(sizeof(ContextInfo));
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return 0;
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}
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void Process(void *ctx, AVPicture *picture, enum PixelFormat pix_fmt, int width, int height, int64_t pts)
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{
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ContextInfo *ci = (ContextInfo *) ctx;
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char *buf = 0;
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AVPicture picture1;
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AVPicture *pict = picture;
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(void) ci;
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if (pix_fmt != PIX_FMT_RGB24) {
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int size;
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size = avpicture_get_size(PIX_FMT_RGB24, width, height);
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buf = av_malloc(size);
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avpicture_fill(&picture1, buf, PIX_FMT_RGB24, width, height);
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if (img_convert(&picture1, PIX_FMT_RGB24,
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picture, pix_fmt, width, height) < 0) {
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av_free(buf);
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return;
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}
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pict = &picture1;
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}
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/* Insert filter code here */
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if (pix_fmt != PIX_FMT_RGB24) {
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if (img_convert(picture, pix_fmt,
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&picture1, PIX_FMT_RGB24, width, height) < 0) {
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}
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}
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av_free(buf);
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}
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