Possibly improve readability.
dec->channel_layout : av_get_default_channel_layout(dec->channels);
wanted_nb_samples = synchronize_audio(is, is->frame->nb_samples);
- if (dec->sample_fmt != is->audio_src.fmt ||
+ if (dec->sample_fmt != is->audio_src.fmt ||
dec_channel_layout != is->audio_src.channel_layout ||
- dec->sample_rate != is->audio_src.freq ||
+ dec->sample_rate != is->audio_src.freq ||
(wanted_nb_samples != is->frame->nb_samples && !is->swr_ctx)) {
swr_free(&is->swr_ctx);
is->swr_ctx = swr_alloc_set_opts(NULL,