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| author | Michael Niedermayer <michael@niedermayer.cc> | 2016-12-08 23:51:45 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-12-09 01:59:40 +0100 |
| commit | 38a7834bbb24ef62466b076715e0add60e1d6962 (patch) | |
| tree | d3f73bcbc037a36e558ce09853259c82d353cb8a /libavcodec/ffv1enc.c | |
| parent | cff1c0edaa797eca96663d9b83e4b8c1b609ff19 (diff) | |
| download | ffmpeg-38a7834bbb24ef62466b076715e0add60e1d6962.tar.gz | |
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>
Diffstat (limited to 'libavcodec/ffv1enc.c')
| -rw-r--r-- | libavcodec/ffv1enc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c index ee707f2b86..35f54c6ff9 100644 --- a/libavcodec/ffv1enc.c +++ b/libavcodec/ffv1enc.c @@ -1151,6 +1151,11 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, if (f->version > 3) maxsize = AV_INPUT_BUFFER_MIN_SIZE + avctx->width*avctx->height*3LL*4; + if (maxsize > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE - 32) { + av_log(avctx, AV_LOG_WARNING, "Cannot allocate worst case packet size, the encoding could fail\n"); + maxsize = INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE - 32; + } + if ((ret = ff_alloc_packet2(avctx, pkt, maxsize, 0)) < 0) return ret; |