/* * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #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); }
