aacdec_usac: remove fallback for custom maps with invalid position

Not needed as every possible index is mapped.
5 months ago · ae495b56ff
parent 91ab17e2fe
commit ae495b56ff
1 changed files with 0 additions and 2 deletions
--- a/libavcodec/aac/aacdec_usac.c
+++ b/libavcodec/aac/aacdec_usac.c
@ -371,8 +371,6 @@ int ff_aac_usac_config_decode(AACDecContext *ac, AVCodecContext *avctx,
        for (int i = 0; i < nb_channels; i++) {
            AVChannelCustom *cm = &ac->oc[1].ch_layout.u.map[i];
            cm->id = usac_ch_pos_to_av[get_bits(gb, 5)]; /* bsOutputChannelPos */
-            if (cm->id == AV_CHAN_NONE)
-                cm->id = AV_CHAN_UNKNOWN;
        }

        ret = av_channel_layout_retype(&ac->oc[1].ch_layout,