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authorLuca Barbato <lu_zero@gentoo.org>2013-07-10 19:00:15 +0200
committerLuca Barbato <lu_zero@gentoo.org>2013-07-12 04:34:49 +0200
commit3802833bc1f79775a1547c5e427fed6e92b77e53 (patch)
treee853c288e818948c5678a932386e42390775cd95 /libavcodec
parentf261e508459e28beca59868a878e1519a44bb678 (diff)
downloadffmpeg-3802833bc1f79775a1547c5e427fed6e92b77e53.tar.gz
dca: Respect the current limits in the downmixing capabilities
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/dcadec.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/libavcodec/dcadec.c b/libavcodec/dcadec.c
index de24e4e62b..9b00d30b74 100644
--- a/libavcodec/dcadec.c
+++ b/libavcodec/dcadec.c
@@ -807,6 +807,12 @@ static int dca_subframe_header(DCAContext *s, int base_channel, int block_index)
"Invalid channel mode %d\n", am);
return AVERROR_INVALIDDATA;
}
+ if (s->prim_channels > FF_ARRAY_ELEMS(dca_default_coeffs[0])) {
+ avpriv_request_sample(s->avctx, "Downmixing %d channels",
+ s->prim_channels);
+ return AVERROR_PATCHWELCOME;
+ }
+
for (j = base_channel; j < s->prim_channels; j++) {
s->downmix_coef[j][0] = dca_default_coeffs[am][j][0];
s->downmix_coef[j][1] = dca_default_coeffs[am][j][1];