+#define FLAGS AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_AUDIO_PARAM
+static const AVOption options[] = {
+{ "lpc_coeff_precision", "LPC coefficient precision", offsetof(FlacEncodeContext, options.lpc_coeff_precision), FF_OPT_TYPE_INT, 15, 0, MAX_LPC_PRECISION, FLAGS },
+{ "lpc_type", "LPC algorithm", offsetof(FlacEncodeContext, options.lpc_type), FF_OPT_TYPE_INT, FF_LPC_TYPE_DEFAULT, FF_LPC_TYPE_DEFAULT, FF_LPC_TYPE_NB-1, FLAGS, "lpc_type" },
+{ "none", NULL, 0, FF_OPT_TYPE_CONST, FF_LPC_TYPE_NONE, INT_MIN, INT_MAX, FLAGS, "lpc_type" },
+{ "fixed", NULL, 0, FF_OPT_TYPE_CONST, FF_LPC_TYPE_FIXED, INT_MIN, INT_MAX, FLAGS, "lpc_type" },
+{ "levinson", NULL, 0, FF_OPT_TYPE_CONST, FF_LPC_TYPE_LEVINSON, INT_MIN, INT_MAX, FLAGS, "lpc_type" },
+{ "cholesky", NULL, 0, FF_OPT_TYPE_CONST, FF_LPC_TYPE_CHOLESKY, INT_MIN, INT_MAX, FLAGS, "lpc_type" },
+{ "lpc_passes", "Number of passes to use for Cholesky factorization during LPC analysis", offsetof(FlacEncodeContext, options.lpc_passes), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, FLAGS },
+{ "min_partition_order", NULL, offsetof(FlacEncodeContext, options.min_partition_order), FF_OPT_TYPE_INT, -1, -1, MAX_PARTITION_ORDER, FLAGS },
+{ "max_partition_order", NULL, offsetof(FlacEncodeContext, options.max_partition_order), FF_OPT_TYPE_INT, -1, -1, MAX_PARTITION_ORDER, FLAGS },
+{ "prediction_order_method", "Search method for selecting prediction order", offsetof(FlacEncodeContext, options.prediction_order_method), FF_OPT_TYPE_INT, -1, -1, ORDER_METHOD_LOG, FLAGS, "predm" },
+{ "estimation", NULL, 0, FF_OPT_TYPE_CONST, ORDER_METHOD_EST, INT_MIN, INT_MAX, FLAGS, "predm" },
+{ "2level", NULL, 0, FF_OPT_TYPE_CONST, ORDER_METHOD_2LEVEL, INT_MIN, INT_MAX, FLAGS, "predm" },
+{ "4level", NULL, 0, FF_OPT_TYPE_CONST, ORDER_METHOD_4LEVEL, INT_MIN, INT_MAX, FLAGS, "predm" },
+{ "8level", NULL, 0, FF_OPT_TYPE_CONST, ORDER_METHOD_8LEVEL, INT_MIN, INT_MAX, FLAGS, "predm" },
+{ "search", NULL, 0, FF_OPT_TYPE_CONST, ORDER_METHOD_SEARCH, INT_MIN, INT_MAX, FLAGS, "predm" },
+{ "log", NULL, 0, FF_OPT_TYPE_CONST, ORDER_METHOD_LOG, INT_MIN, INT_MAX, FLAGS, "predm" },
+{ NULL },
+};
+
+static const AVClass flac_encoder_class = {
+ "FLAC encoder",
+ av_default_item_name,
+ options,
+ LIBAVUTIL_VERSION_INT,
+};
+
+AVCodec ff_flac_encoder = {