diff options
Diffstat (limited to 'libavfilter/af_channelmap.c')
-rw-r--r-- | libavfilter/af_channelmap.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libavfilter/af_channelmap.c b/libavfilter/af_channelmap.c index 810615fedc..50e961cd4b 100644 --- a/libavfilter/af_channelmap.c +++ b/libavfilter/af_channelmap.c @@ -271,6 +271,12 @@ static av_cold int channelmap_init(AVFilterContext *ctx) } s->output_layout = fmt; } + if (!s->output_layout) { + av_log(ctx, AV_LOG_ERROR, "Output channel layout is not set and " + "cannot be guessed from the maps.\n"); + return AVERROR(EINVAL); + } + ff_add_channel_layout(&s->channel_layouts, s->output_layout); if (mode == MAP_PAIR_INT_STR || mode == MAP_PAIR_STR_STR) { |