diff options
| -rw-r--r-- | libavcodec/alsdec.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libavcodec/alsdec.c b/libavcodec/alsdec.c index 65aa7d2c90..f85f1e8ccf 100644 --- a/libavcodec/alsdec.c +++ b/libavcodec/alsdec.c @@ -358,10 +358,14 @@ static av_cold int read_specific_config(ALSDecContext *ctx) ctx->cs_switch = 1; for (i = 0; i < avctx->channels; i++) { + sconf->chan_pos[i] = -1; + } + + for (i = 0; i < avctx->channels; i++) { int idx; idx = get_bits(&gb, chan_pos_bits); - if (idx >= avctx->channels) { + if (idx >= avctx->channels || sconf->chan_pos[idx] != -1) { av_log(avctx, AV_LOG_WARNING, "Invalid channel reordering.\n"); ctx->cs_switch = 0; break; |