From 69409ccb801939f4b09f16946a236d10e18f7005 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 9 Apr 2009 20:13:35 +0000 Subject: [PATCH] Skip non intra frames that have no reference frames. Originally committed as revision 18395 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/snow.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/libavcodec/snow.c b/libavcodec/snow.c index 501b60d..ffdf1ff 100644 --- a/libavcodec/snow.c +++ b/libavcodec/snow.c @@ -4145,6 +4145,10 @@ static int frame_start(SnowContext *s){ if(i && s->last_picture[i-1].key_frame) break; s->ref_frames= i; + if(s->ref_frames==0){ + av_log(s->avctx,AV_LOG_ERROR, "No reference frames\n"); + return -1; + } } s->current_picture.reference= 1; @@ -4520,7 +4524,8 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac alloc_blocks(s); - frame_start(s); + if(frame_start(s) < 0) + return -1; //keyframe flag duplication mess FIXME if(avctx->debug&FF_DEBUG_PICT_INFO) av_log(avctx, AV_LOG_ERROR, "keyframe:%d qlog:%d\n", s->keyframe, s->qlog); -- 2.7.4