From ca906e81909d0eee25ce745e162aa0f6ea6eb8e8 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 19 Aug 2016 15:58:53 +0200 Subject: [PATCH] avformat/movenc: Free extradata after successfull allocation of new instead of before This avoids erroring out with extradata lost and extradata size mismatching Signed-off-by: Michael Niedermayer --- libavformat/movenc.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/libavformat/movenc.c b/libavformat/movenc.c index 282a3a8fa2..1f55333c32 100644 --- a/libavformat/movenc.c +++ b/libavformat/movenc.c @@ -4923,11 +4923,11 @@ static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt) int side_size = 0; uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size); if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) { - av_free(par->extradata); - par->extradata = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE); - if (!par->extradata) { + void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE); + if (!newextra) return AVERROR(ENOMEM); - } + av_free(par->extradata); + par->extradata = newextra; memcpy(par->extradata, side, side_size); par->extradata_size = side_size; mov->need_rewrite_extradata = 1;