- if(src->channels != av_get_channel_layout_nb_channels(src->channel_layout)) {
- av_log(0, AV_LOG_ERROR, "libavfilter does not support this channel layout\n");
+ if(src->channels < av_get_channel_layout_nb_channels(src->channel_layout)) {
+ av_log(NULL, AV_LOG_ERROR, "libavfilter does not support this channel layout\n");