audio_enc->channels = audio_channels;
audio_enc->sample_fmt = audio_sample_fmt;
audio_enc->channel_layout = channel_layout;
+ if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
+ audio_enc->channel_layout = 0;
if(codec && codec->sample_fmts){
const enum SampleFormat *p= codec->sample_fmts;