utils.c

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/*
 * 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
 */
 
#include "libavcodec/avcodec.h"
 
int main(void){
    void *iter = NULL;
    const AVCodec *codec = NULL;
    int ret = 0;
 
    while (codec = av_codec_iterate(&iter)) {
        if (av_codec_is_encoder(codec)) {
            if (codec->type == AVMEDIA_TYPE_AUDIO) {
                if (!codec->sample_fmts) {
                    av_log(NULL, AV_LOG_FATAL, "Encoder %s is missing the sample_fmts field\n", codec->name);
                    ret = 1;
                }
            }
        }
    }
    return ret;
}