[FFmpeg-cvslog] avcodec/h264_slice: update slice context linesizes when a new picture is allocated

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sat Mar 21 23:45:46 2015 +0100| [141b9d5c3b4d3dd4e9034ea73ed73f25cc0340e7] | committer: Michael Niedermayer

avcodec/h264_slice: update slice context linesizes when a new picture is allocated

previously they where only updated when decoding started and would thus have
been inconsistent for a longer period of time leaving more chances for
problems

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=141b9d5c3b4d3dd4e9034ea73ed73f25cc0340e7
---

 libavcodec/h264_slice.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c
index fe773a5..44000c7 100644
--- a/libavcodec/h264_slice.c
+++ b/libavcodec/h264_slice.c
@@ -711,6 +711,11 @@ static int h264_frame_start(H264Context *h)
     if ((ret = ff_h264_ref_picture(h, &h->cur_pic, h->cur_pic_ptr)) < 0)
         return ret;
 
+    for (i = 0; i < h->nb_slice_ctx; i++) {
+        h->slice_ctx[i].linesize   = h->cur_pic_ptr->f.linesize[0];
+        h->slice_ctx[i].uvlinesize = h->cur_pic_ptr->f.linesize[1];
+    }
+
     if (CONFIG_ERROR_RESILIENCE) {
         ff_er_frame_start(&h->slice_ctx[0].er);
         ff_h264_set_erpic(&h->slice_ctx[0].er.last_pic, NULL);