From 48f7f29f52f3eeff2b200943834ac1e7461536e7 Mon Sep 17 00:00:00 2001 From: Baptiste Coudurier Date: Sun, 26 Sep 2010 00:56:26 +0000 Subject: [PATCH] In yadif filter, use current frame when previous is missing, better results for the first frame Originally committed as revision 25202 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavfilter/vf_yadif.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/libavfilter/vf_yadif.c b/libavfilter/vf_yadif.c index 96cf73a377..fe4cb9601a 100644 --- a/libavfilter/vf_yadif.c +++ b/libavfilter/vf_yadif.c @@ -197,13 +197,12 @@ static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref) yadif->cur = yadif->next; yadif->next = picref; - if (!yadif->prev) - yadif->prev = avfilter_get_video_buffer(link, AV_PERM_WRITE | AV_PERM_PRESERVE | - AV_PERM_REUSE, link->w, link->h); - if(!yadif->cur) return; + if (!yadif->prev) + yadif->prev = avfilter_ref_buffer(yadif->cur, AV_PERM_READ); + yadif->out = avfilter_get_video_buffer(ctx->outputs[0], AV_PERM_WRITE | AV_PERM_PRESERVE | AV_PERM_REUSE, link->w, link->h); -- GitLab