---
libavcodec/adpcm.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c
index 3ada328..09fd373 100644
--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@@ -340,6 +340,11 @@ static int get_nb_samples(AVCodecContext *avctx, const
uint8_t *buf,
*coded_samples = 0;
+ if (ch == 0) {
+ av_log(avctx,AV_LOG_ERROR,"Number of channels = 0\n");
+ return AVERROR_INVALIDDATA;
+ }
+
switch (avctx->codec->id) {
/* constant, only check buf_size */
case CODEC_ID_ADPCM_EA_XAS:
--
1.7.1
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