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truemotion2: Check memory allocation

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Vittorio Giovara 2015-05-31 14:55:27 +02:00 committed by Luca Barbato
parent 28fb80dcbf
commit e1ea365f7e
1 changed files with 10 additions and 0 deletions
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10
libavcodec/truemotion2.c
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@ -171,6 +171,10 @@ static int tm2_build_huff_table(TM2Context *ctx, TM2Codes *code)
huff.nums = av_mallocz(huff.max_num * sizeof(int));
huff.bits = av_mallocz(huff.max_num * sizeof(uint32_t));
huff.lens = av_mallocz(huff.max_num * sizeof(int));
if (!huff.nums || !huff.bits || !huff.lens) {
res = AVERROR(ENOMEM);
goto out;
}
res = tm2_read_tree(ctx, 0, 0, &huff);
@ -193,10 +197,16 @@ static int tm2_build_huff_table(TM2Context *ctx, TM2Codes *code)
code->bits = huff.max_bits;
code->length = huff.max_num;
code->recode = av_malloc(code->length * sizeof(int));
if (!code->recode) {
res = AVERROR(ENOMEM);
goto out;
}
for (i = 0; i < code->length; i++)
code->recode[i] = huff.nums[i];
}
}
out:
/* free allocated memory */
av_free(huff.nums);
av_free(huff.bits);