diff --git a/libavcodec/alac.c b/libavcodec/alac.c index 9aaf7066b2..4aab82d60b 100644 --- a/libavcodec/alac.c +++ b/libavcodec/alac.c @@ -574,13 +574,15 @@ static av_cold int alac_decode_init(AVCodecContext * avctx) avctx->bits_per_raw_sample = alac->sample_size; avctx->sample_rate = alac->sample_rate; - if (alac->channels < 1 || alac->channels > ALAC_MAX_CHANNELS) { + if (alac->channels < 1) { av_log(avctx, AV_LOG_WARNING, "Invalid channel count\n"); + if (avctx->ch_layout.nb_channels < 1) + return AVERROR(EINVAL); alac->channels = avctx->ch_layout.nb_channels; } - if (avctx->ch_layout.nb_channels > ALAC_MAX_CHANNELS || avctx->ch_layout.nb_channels <= 0 ) { + if (alac->channels > ALAC_MAX_CHANNELS) { avpriv_report_missing_feature(avctx, "Channel count %d", - avctx->ch_layout.nb_channels); + alac->channels); return AVERROR_PATCHWELCOME; } av_channel_layout_uninit(&avctx->ch_layout);