av_opt_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped), 0);
av_opt_set_int(ost->swr, "uch", ost->audio_channels_mapped, 0);
}
- av_opt_set_int(ost->swr, "ich", dec->channels, 0);
- av_opt_set_int(ost->swr, "och", enc->channels, 0);
+ if (av_opt_set_int(ost->swr, "ich", dec->channels, 0) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Unsupported number of input channels\n");
+ exit_program(1);
+ }
+ if (av_opt_set_int(ost->swr, "och", enc->channels, 0) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Unsupported number of output channels\n");
+ exit_program(1);
+ }
if(audio_sync_method>1) av_opt_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE, 0);
if(ost->swr && swr_init(ost->swr) < 0){
av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");