static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder) { const char *codec_string = encoder ? "encoder" : "decoder"; AVCodec *codec; if(!name) return CODEC_ID_NONE; codec = encoder ? avcodec_find_encoder_by_name(name) : avcodec_find_decoder_by_name(name); if(!codec) { av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name); exit_program(1); } if(codec->type != type) { av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name); exit_program(1); } return codec->id; }