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avformat/ape: fix overflow in total_blocks

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This commit is contained in:
Paul B Mahol 2022-09-16 17:58:36 +02:00
parent 8f11512273
commit 9c05f178a6
1 changed files with 2 additions and 2 deletions
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4
libavformat/ape.c
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@ -146,7 +146,7 @@ static int ape_read_header(AVFormatContext * s)
AVStream *st;
uint32_t tag;
int i, ret;
int total_blocks;
int64_t total_blocks;
int64_t final_size = 0;
int64_t pts, file_size;
@ -327,7 +327,7 @@ static int ape_read_header(AVFormatContext * s)
if (!st)
return AVERROR(ENOMEM);
total_blocks = (ape->totalframes == 0) ? 0 : ((ape->totalframes - 1) * ape->blocksperframe) + ape->finalframeblocks;
total_blocks = (ape->totalframes == 0) ? 0 : ((int64_t)(ape->totalframes - 1) * ape->blocksperframe) + ape->finalframeblocks;
st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
st->codecpar->codec_id = AV_CODEC_ID_APE;