diff --git a/libavcodec/libdcadec.c b/libavcodec/libdcadec.c
index a28b983..ddadced 100644
--- a/libavcodec/libdcadec.c
+++ b/libavcodec/libdcadec.c
@@ -31,9 +31,11 @@
 #include "internal.h"

 typedef struct DCADecContext {
+    const AVClass *class;
     struct dcadec_context *ctx;
     uint8_t *buffer;
     int buffer_size;
+    int flags;
 } DCADecContext;

 static int dcadec_decode_frame(AVCodecContext *avctx, void *data,
@@ -160,7 +162,7 @@ static av_cold int dcadec_init(AVCodecContext *avctx)
 {
     DCADecContext *s = avctx->priv_data;

-    s->ctx = dcadec_context_create(0);
+    s->ctx = dcadec_context_create(s->flags);
     if (!s->ctx)
         return AVERROR(ENOMEM);

@@ -170,6 +172,27 @@ static av_cold int dcadec_init(AVCodecContext *avctx)
     return 0;
 }

+#define OFFSET(x) offsetof(DCADecContext, x)
+#define AD AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM
+static const AVOption options[] = {
+    { "libdcadec_flags", "Decode DTS core only without extensions", OFFSET(flags), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, (DCADEC_FLAG_NATIVE_LAYOUT << 1) - 1, AD, "libdcadec_flags" },
+    { "core",            "Decode DTS core only without extensions", 0, AV_OPT_TYPE_CONST, { .i64 = DCADEC_FLAG_CORE_ONLY }, INT_MIN, INT_MAX, AD, "libdcadec_flags" },
+    { "bitexact",        "Force bit exact DTS core decoding", 0,  AV_OPT_TYPE_CONST, { .i64 = DCADEC_FLAG_CORE_BIT_EXACT }, INT_MIN, INT_MAX, AD, "libdcadec_flags" },
+    { "synth_x96",       "Force DTS core synthesis using X96 filter", 0, AV_OPT_TYPE_CONST, { .i64 = DCADEC_FLAG_CORE_SYNTH_X96 }, INT_MIN, INT_MAX, AD, "libdcadec_flags" },
+    { "source_pcm_res",  "Force DTS core bit width reducion to source PCM resolution", 0, AV_OPT_TYPE_CONST, { .i64 = DCADEC_FLAG_CORE_SOURCE_PCM_RES }, INT_MIN, INT_MAX, AD, "libdcadec_flags" },
+    { "core_lfe_fir",    "Use FIR filter for floating point DTS core LFE channel interpolation", 0, AV_OPT_TYPE_CONST, { .i64 = DCADEC_FLAG_CORE_LFE_FIR }, INT_MIN, INT_MAX, AD, "libdcadec_flags" },
+    { "native_layout",   "Output native DTS channel layout, not WAVEFORMATEX layout", 0, AV_OPT_TYPE_CONST, { .i64 = DCADEC_FLAG_NATIVE_LAYOUT }, INT_MIN, INT_MAX, AD, "libdcadec_flags" },
+    { NULL },
+};
+
+static const AVClass libdcadec_class = {
+    .class_name = "libdcadec decoder",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+    .category   = AV_CLASS_CATEGORY_DECODER,
+};
+
 static const AVProfile profiles[] = {
     { FF_PROFILE_DTS,         "DTS"         },
     { FF_PROFILE_DTS_ES,      "DTS-ES"      },
@@ -193,5 +216,6 @@ AVCodec ff_libdcadec_decoder = {
     .capabilities   = CODEC_CAP_DR1 | CODEC_CAP_CHANNEL_CONF,
     .sample_fmts    = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S32P, AV_SAMPLE_FMT_S16P,
                                                       AV_SAMPLE_FMT_NONE },
+    .priv_class     = &libdcadec_class,
     .profiles       = NULL_IF_CONFIG_SMALL(profiles),
 };