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avcodec/g729dec: require buf_size to be non 0 

The 0 case was added with the support for multiple packets. It
appears unintended and causes extra complexity and out of array
accesses (though within padding)

No testcase

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f64be9da4c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2019-11-09 21:19:24 +01:00
parent 1792310910
commit 0667c14ad6
1 changed files with 1 additions and 1 deletions
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2
libavcodec/g729dec.c
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@ -416,7 +416,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr,
return ret;
out_frame = (int16_t*) frame->data[0];
if (buf_size % 10 == 0) {
if (buf_size && buf_size % 10 == 0) {
packet_type = FORMAT_G729_8K;
format = &format_g729_8k;
//Reset voice decision