X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fopusdec.c;h=03086dea99e2c3ac6a8865e1ca873082c74e2088;hb=c490fc9536dcea7fdf1245a340bf075533610bc2;hp=5a7ba9dbb43546ebcf13804b92fc9d83d501ae81;hpb=4391d6cb8180f1261e38a588b7c4ffc457531cb2;p=ffmpeg

diff --git a/libavcodec/opusdec.c b/libavcodec/opusdec.c
index 5a7ba9dbb43..03086dea99e 100644
--- a/libavcodec/opusdec.c
+++ b/libavcodec/opusdec.c
@@ -687,7 +687,7 @@ static av_cold int opus_decode_init(AVCodecContext *avctx)
         if (ret < 0)
             goto fail;
 
-        ret = ff_celt_init(avctx, &s->celt, s->output_channels);
+        ret = ff_celt_init(avctx, &s->celt, s->output_channels, c->apply_phase_inv);
         if (ret < 0)
             goto fail;
 
@@ -712,9 +712,24 @@ fail:
     return ret;
 }
 
+#define OFFSET(x) offsetof(OpusContext, x)
+#define AD AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM
+static const AVOption opus_options[] = {
+    { "apply_phase_inv", "Apply intensity stereo phase inversion", OFFSET(apply_phase_inv), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, AD },
+    { NULL },
+};
+
+static const AVClass opus_class = {
+    .class_name = "Opus Decoder",
+    .item_name  = av_default_item_name,
+    .option     = opus_options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
 AVCodec ff_opus_decoder = {
     .name            = "opus",
     .long_name       = NULL_IF_CONFIG_SMALL("Opus"),
+    .priv_class      = &opus_class,
     .type            = AVMEDIA_TYPE_AUDIO,
     .id              = AV_CODEC_ID_OPUS,
     .priv_data_size  = sizeof(OpusContext),