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avcodec/zmbv: remove useless zero check on dimensions

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2018-08-27 00:46:54 +02:00
parent c5e574a0d0
commit 42f053494c
1 changed files with 5 additions and 6 deletions
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5
libavcodec/zmbv.c
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@ -599,13 +599,12 @@ static av_cold int decode_init(AVCodecContext *avctx)
c->decomp_size = (avctx->width + 255) * 4 * (avctx->height + 64);
/* Allocate decompression buffer */
if (c->decomp_size) {
if (!(c->decomp_buf = av_mallocz(c->decomp_size))) {
c->decomp_buf = av_mallocz(c->decomp_size);
if (!c->decomp_buf) {
av_log(avctx, AV_LOG_ERROR,
"Can't allocate decompression buffer.\n");
return AVERROR(ENOMEM);
}
}
c->zstream.zalloc = Z_NULL;
c->zstream.zfree = Z_NULL;