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-rw-r--r--libavcodec/dcadec.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/libavcodec/dcadec.c b/libavcodec/dcadec.c
index 610857ddf2..7e9463861c 100644
--- a/libavcodec/dcadec.c
+++ b/libavcodec/dcadec.c
@@ -1086,12 +1086,12 @@ static int dca_subframe_footer(DCAContext *s, int base_channel)
align_get_bits(&s->gb); // byte align
skip_bits(&s->gb, 16); // nAUXCRC16
- // additional data (reserved, cf. ETSI TS 102 114 V1.4.1)
- if ((reserved = (aux_data_end - get_bits_count(&s->gb))) < 0) {
- av_log(s->avctx, AV_LOG_ERROR,
- "Overread auxiliary data by %d bits\n", -reserved);
- return AVERROR_INVALIDDATA;
- } else if (reserved) {
+ /*
+ * additional data (reserved, cf. ETSI TS 102 114 V1.4.1)
+ *
+ * Note: don't check for overreads, aux_data_count can't be trusted.
+ */
+ if ((reserved = (aux_data_end - get_bits_count(&s->gb))) > 0) {
avpriv_request_sample(s->avctx,
"Core auxiliary data reserved content");
skip_bits_long(&s->gb, reserved);