)
out_ch_layout = AV_CH_LAYOUT_STEREO;
+ if( in_ch_layout == AV_CH_LAYOUT_STEREO_DOWNMIX
+ && (out_ch_layout & AV_CH_LAYOUT_STEREO_DOWNMIX) == 0
+ )
+ in_ch_layout = AV_CH_LAYOUT_STEREO;
+
if(!sane_layout(in_ch_layout)){
av_get_channel_layout_string(buf, sizeof(buf), -1, s->in_ch_layout);
av_log(s, AV_LOG_ERROR, "Input channel layout '%s' is not supported\n", buf);