X-Git-Url: https://git.piment-noir.org/?p=deb_ffmpeg.git;a=blobdiff_plain;f=ffmpeg%2Flibavcodec%2Fdcadec.c;fp=ffmpeg%2Flibavcodec%2Fdcadec.c;h=40d8e9e2f0b11ccf26aad4c990135f1103568520;hp=a36f69b2aec719ec5417453016adc66292a9cdc9;hb=092a91210f1b986dc846dc52988518f8f913eb72;hpb=dcebb6f35d810c9009a455808b016c790bb633b4

diff --git a/ffmpeg/libavcodec/dcadec.c b/ffmpeg/libavcodec/dcadec.c
index a36f69b..40d8e9e 100644
--- a/ffmpeg/libavcodec/dcadec.c
+++ b/ffmpeg/libavcodec/dcadec.c
@@ -2360,6 +2360,10 @@ FF_ENABLE_DEPRECATION_WARNINGS
 #else
             if (s->xch_present && !s->xch_disable) {
 #endif
+                if (avctx->channel_layout & AV_CH_BACK_CENTER) {
+                    avpriv_request_sample(avctx, "XCh with Back center channel");
+                    return AVERROR_INVALIDDATA;
+                }
                 avctx->channel_layout |= AV_CH_BACK_CENTER;
                 if (s->lfe) {
                     avctx->channel_layout |= AV_CH_LOW_FREQUENCY;