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Code Issues Releases Activity

avcodec/pcm-dvdenc: 64bit pkt-size

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It seems nothing prevents such overflow even though odd

Fixes: CID1441934 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 160b81ce2a87b0835125da7c72ab7ed8c0918c45)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-05-13 01:14:21 +02:00
parent 23e085b743
commit d2295ca945
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1 changed files with 1 additions and 1 deletions
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libavcodec/pcm-dvdenc.c
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@ -116,7 +116,7 @@ static int pcm_dvd_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
{
PCMDVDContext *s = avctx->priv_data;
int samples = frame->nb_samples * avctx->ch_layout.nb_channels;
int64_t pkt_size = (frame->nb_samples / s->samples_per_block) * s->block_size + 3;
int64_t pkt_size = (int64_t)(frame->nb_samples / s->samples_per_block) * s->block_size + 3;
int blocks = (pkt_size - 3) / s->block_size;
const int16_t *src16;
const int32_t *src32;