opusdec: Require caps to be set before any data processing

diff --git a/ext/opus/gstopusdec.c b/ext/opus/gstopusdec.c
index 456cc624bec65730b6fb25de4639b3a3c5291e8e..d2fc6465dc8cb8f9db9efcc6bd34de61c2876192 100644 (file)
--- a/ext/opus/gstopusdec.c
+++ b/ext/opus/gstopusdec.c
@@ -165,6 +165,8 @@ gst_opus_dec_init (GstOpusDec * dec)
   dec->use_inband_fec = FALSE;
   dec->apply_gain = DEFAULT_APPLY_GAIN;
 
+  gst_audio_decoder_set_needs_format (GST_AUDIO_DECODER (dec), TRUE);
+
   gst_opus_dec_reset (dec);
 }