[FFmpeg-cvslog] avcodec/h264: Be more strict on rejecting pps_id changes

[Michael Niedermayer]

ffmpeg | branch: release/2.4 | Michael Niedermayer <michaelni at gmx.at> | Fri Feb  6 15:01:17 2015 +0100| [724c79276ab270992c3c36d60ec0e3ccf2f8e6df] | committer: Michael Niedermayer

avcodec/h264: Be more strict on rejecting pps_id changes

Fixes race condition
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
(cherry picked from commit 31cc9c04ca386dce289864021982da62190982ab)

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=724c79276ab270992c3c36d60ec0e3ccf2f8e6df
---

 libavcodec/h264.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index e507308..438c43f 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -1515,8 +1515,8 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size,
                 continue;
 
 again:
-            if (   !(avctx->active_thread_type & FF_THREAD_FRAME)
-                || nals_needed >= nal_index)
+            if (   (!(avctx->active_thread_type & FF_THREAD_FRAME) || nals_needed >= nal_index)
+                && !h->current_slice)
                 h->au_pps_id = -1;
             /* Ignore per frame NAL unit type during extradata
              * parsing. Decoding slices is not possible in codec init