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avcodec/dnxhdenc: check that qmax is within the supported range

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-01-17 20:58:43 +01:00
parent f1caaa1c61
commit 19df5dcb47
1 changed files with 5 additions and 0 deletions
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5
libavcodec/dnxhdenc.c
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@ -341,6 +341,11 @@ static av_cold int dnxhd_encode_init(AVCodecContext *avctx)
return -1; return -1;
} }
if (avctx->qmax <= 1) {
av_log(avctx, AV_LOG_ERROR, "qmax must be at least 2\n");
return AVERROR(EINVAL);
}
ctx->thread[0] = ctx; ctx->thread[0] = ctx;
for (i = 1; i < avctx->thread_count; i++) { for (i = 1; i < avctx->thread_count; i++) {
ctx->thread[i] = av_malloc(sizeof(DNXHDEncContext)); ctx->thread[i] = av_malloc(sizeof(DNXHDEncContext));