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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-02-05 18:52:07 +0100 |
|---|---|---|
| committer | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2013-02-06 00:11:11 +0100 |
| commit | d2c1a8dc2de8bdda64ab7411537429d1e64dd3fe (patch) | |
| tree | 629450ba8a55885d36f55f5a172dc97546746a8b | |
| parent | 5a97a5291a83d2053aa2380e36bda1998b7e24eb (diff) | |
| download | ffmpeg-d2c1a8dc2de8bdda64ab7411537429d1e64dd3fe.tar.gz | |
ljpegenc: allocate needed scratch-buffer
Fixes null pointer dereference
Fixes Ticket2207
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit c2dd5a18b27bb33d871d41fbed9104f3a68d68fe)
| -rw-r--r-- | libavcodec/ljpegenc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libavcodec/ljpegenc.c b/libavcodec/ljpegenc.c index d3c292123e..0ab4985c10 100644 --- a/libavcodec/ljpegenc.c +++ b/libavcodec/ljpegenc.c @@ -57,6 +57,13 @@ static int encode_picture_lossless(AVCodecContext *avctx, AVPacket *pkt, max_pkt_size += mb_width * mb_height * 3 * 4 * s->mjpeg_hsample[0] * s->mjpeg_vsample[0]; } + + if (!s->edge_emu_buffer && + (ret = ff_mpv_frame_size_alloc(s, pict->linesize[0])) < 0) { + av_log(avctx, AV_LOG_ERROR, "failed to allocate context scratch buffers.\n"); + return ret; + } + if ((ret = ff_alloc_packet2(avctx, pkt, max_pkt_size)) < 0) return ret; |