avfilter/af_channelmap: do not override set channel layout

1 year ago · 37c5bcc4e8
parent bbdedd9663
commit 37c5bcc4e8
1 changed files with 1 additions and 1 deletions
--- a/libavfilter/af_channelmap.c
+++ b/libavfilter/af_channelmap.c
@ -230,7 +230,7 @@ static av_cold int channelmap_init(AVFilterContext *ctx)
    s->nch           = map_entries;
    if (out_ch_mask)
        av_channel_layout_from_mask(&s->output_layout, out_ch_mask);
-    else if (map_entries)
+    else if (map_entries && s->output_layout.nb_channels == 0)
        av_channel_layout_default(&s->output_layout, map_entries);

    if (mode == MAP_NONE) {