[FFmpeg-cvslog] h264: Fix recovery_frame initialization when recovery_frame is -1

Michael Niedermayer git at videolan.org
Tue Jan 3 13:51:55 CET 2012


ffmpeg | branch: release/0.9 | Michael Niedermayer <michaelni at gmx.at> | Sat Dec 31 22:15:45 2011 +0100| [b84683a906c0dc8103948b39d4887fadd398baa5] | committer: Carl Eugen Hoyos

h264: Fix recovery_frame initialization when recovery_frame is -1

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
(cherry picked from commit fba6777363eb74d926aa0eed281a77ff152a3ad5)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b84683a906c0dc8103948b39d4887fadd398baa5
---

 libavcodec/h264.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 8d86677..0b90d37 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -3891,7 +3891,8 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
                break;
 
             if (   h->sei_recovery_frame_cnt >= 0
-                && ((h->recovery_frame - h->frame_num) & ((1 << h->sps.log2_max_frame_num)-1)) > h->sei_recovery_frame_cnt) {
+                && (   h->recovery_frame<0
+                    || ((h->recovery_frame - h->frame_num) & ((1 << h->sps.log2_max_frame_num)-1)) > h->sei_recovery_frame_cnt)) {
                 h->recovery_frame = (h->frame_num + h->sei_recovery_frame_cnt) %
                                     (1 << h->sps.log2_max_frame_num);
             }



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