Function find_codec

fftools/ffmpeg_opt.c:806–837

}

int find_codec(void *logctx, const char *name,
               enum AVMediaType type, int encoder, const AVCodec **pcodec)
{
    const AVCodecDescriptor *desc;
    const char *codec_string = encoder ? "encoder" : "decoder";
    const AVCodec *codec;

    codec = encoder ?
        avcodec_find_encoder_by_name(name) :
        avcodec_find_decoder_by_name(name);

    if (!codec && (desc = avcodec_descriptor_get_by_name(name))) {
        codec = encoder ? avcodec_find_encoder(desc->id) :
                          avcodec_find_decoder(desc->id);
        if (codec)
            av_log(logctx, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n",
                   codec_string, codec->name, desc->name);
    }

    if (!codec) {
        av_log(logctx, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
        return encoder ? AVERROR_ENCODER_NOT_FOUND :
                         AVERROR_DECODER_NOT_FOUND;
    }
    if (codec->type != type && !recast_media) {
        av_log(logctx, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
        return AVERROR(EINVAL);
    }

    *pcodec = codec;
    return 0;;
}

int assert_file_overwrite(const char *filename)
{