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alac: fix check for valid max_samples_per_frame

This commit is contained in:
Justin Ruggles 2012-07-09 13:23:22 -04:00
parent 1193d3fedd
commit 7a206eb32f
1 changed files with 3 additions and 3 deletions
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6
libavcodec/alac.c
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@ -511,9 +511,9 @@ static int alac_set_info(ALACContext *alac)
bytestream2_skipu(&gb, 12); // size:4, alac:4, version:4
alac->max_samples_per_frame = bytestream2_get_be32u(&gb);
if (alac->max_samples_per_frame >= UINT_MAX/4){
av_log(alac->avctx, AV_LOG_ERROR,
"max_samples_per_frame too large\n");
if (!alac->max_samples_per_frame || alac->max_samples_per_frame > INT_MAX) {
av_log(alac->avctx, AV_LOG_ERROR, "max samples per frame invalid: %u\n",
alac->max_samples_per_frame);
return AVERROR_INVALIDDATA;
}
bytestream2_skipu(&gb, 1); // compatible version