[FFmpeg-cvslog] roqvideoenc: set enc->avctx in roq_encode_init

[Andreas Cadhalpun]

ffmpeg | branch: release/2.2 | Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com> | Mon Mar  9 19:24:09 2015 +0100| [c7a983762ab40bca4f85be64995d5398a4307aa5] | committer: Reinhard Tartler

roqvideoenc: set enc->avctx in roq_encode_init

So far it is only set in roq_encode_frame, but it is used in
roq_encode_end to free the coded_frame. This currently segfaults if
roq_encode_frame is not called between roq_encode_init and
roq_encode_end.

CC:libav-stable at libav.org
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
Signed-off-by: Anton Khirnov <anton at khirnov.net>
(cherry picked from commit 9f6c36d961d27283808310e3ca1d8390b55fce9b)
Signed-off-by: Reinhard Tartler <siretart at tauware.de>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c7a983762ab40bca4f85be64995d5398a4307aa5
---

 libavcodec/roqvideoenc.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/roqvideoenc.c b/libavcodec/roqvideoenc.c
index af0089f..871371b 100644
--- a/libavcodec/roqvideoenc.c
+++ b/libavcodec/roqvideoenc.c
@@ -959,6 +959,8 @@ static av_cold int roq_encode_init(AVCodecContext *avctx)
 
     av_lfg_init(&enc->randctx, 1);
 
+    enc->avctx = avctx;
+
     enc->framesSinceKeyframe = 0;
     if ((avctx->width & 0xf) || (avctx->height & 0xf)) {
         av_log(avctx, AV_LOG_ERROR, "Dimensions must be divisible by 16\n");