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avcodec/ffv1enc: Allocate smaller packet if the worst case size cannot be allocated
We are checking during encoding if there is enough space as version 4 needs that check. Fixes Ticket6005 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 38a7834bbb24ef62466b076715e0add60e1d6962) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -1277,6 +1277,11 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
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if (f->version > 3)
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maxsize = AV_INPUT_BUFFER_MIN_SIZE + avctx->width*avctx->height*3LL*4;
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if (maxsize > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE - 32) {
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av_log(avctx, AV_LOG_WARNING, "Cannot allocate worst case packet size, the encoding could fail\n");
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maxsize = INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE - 32;
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}
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if ((ret = ff_alloc_packet2(avctx, pkt, maxsize, 0)) < 0)
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return ret;
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