update channel_layout by channels, for ffmpeg transcode opus to aac s…

…uccess (#2452)
ossrs · Jun 30, 2021 · d32d8c0 · d32d8c0
1 parent 9f5d011
commit d32d8c0
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/trunk/src/app/srs_app_rtc_codec.cpp b/trunk/src/app/srs_app_rtc_codec.cpp
@@ -147,6 +147,8 @@ srs_error_t SrsAudioTranscoder::init_dec(SrsAudioCodecId src_codec)
     if (avcodec_open2(dec_, codec, NULL) < 0) {
         return srs_error_new(ERROR_RTC_RTP_MUXER, "Could not open codec");
     }
+
+    dec_->channel_layout = av_get_default_channel_layout(dec_->channels);
 
     dec_frame_ = av_frame_alloc();
     if (!dec_frame_) {