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-rw-r--r--libavcodec/h263.c4
-rw-r--r--libavcodec/mpegvideo.h1
2 files changed, 4 insertions, 1 deletions
diff --git a/libavcodec/h263.c b/libavcodec/h263.c
index 47210e9c9e..f72f440348 100644
--- a/libavcodec/h263.c
+++ b/libavcodec/h263.c
@@ -5751,8 +5751,10 @@ static int decode_user_data(MpegEncContext *s, GetBitContext *gb){
s->divx_version= ver;
s->divx_build= build;
s->divx_packed= e==3 && last=='p';
- if(s->divx_packed)
+ if(s->divx_packed && !s->showed_packed_warning) {
av_log(s->avctx, AV_LOG_WARNING, "Invalid and inefficient vfw-avi packed B frames detected\n");
+ s->showed_packed_warning=1;
+ }
}
/* ffmpeg detection */
diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h
index aaffb86ef0..4ddd30c483 100644
--- a/libavcodec/mpegvideo.h
+++ b/libavcodec/mpegvideo.h
@@ -487,6 +487,7 @@ typedef struct MpegEncContext {
/* H.263 specific */
int gob_index;
int obmc; ///< overlapped block motion compensation
+ int showed_packed_warning; ///< flag for having shown the warning about divxs invalid b frames
/* H.263+ specific */
int umvplus; ///< == H263+ && unrestricted_mv