if (s->out_channels < s->channels)
s->output_mode = s->out_channels == 1 ? AC3_CHMODE_MONO : AC3_CHMODE_STEREO;
}
+ if (avctx->channels != s->out_channels) {
+ av_log(avctx, AV_LOG_ERROR, "channel number mismatching on damaged frame\n");
+ return AVERROR_INVALIDDATA;
+ }
/* set audio service type based on bitstream mode for AC-3 */
avctx->audio_service_type = s->bitstream_mode;
if (s->bitstream_mode == 0x7 && s->channels > 1)