[FFmpeg-cvslog] vc1dec: Fix tff == 0 handling in init_block_index()

Michael Niedermayer git at videolan.org
Wed May 15 20:21:21 CEST 2013


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sat Apr 20 02:15:13 2013 +0200| [012b319d9147c18e6148003052b147722d11fe6e] | committer: Martin Storsjö

vc1dec: Fix tff == 0 handling in init_block_index()

This fixes several files from VLC ticket 5887.

Signed-off-by: Martin Storsjö <martin at martin.st>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=012b319d9147c18e6148003052b147722d11fe6e
---

 libavcodec/vc1dec.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 1238da2..b07214a 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -77,7 +77,7 @@ static void init_block_index(VC1Context *v)
 {
     MpegEncContext *s = &v->s;
     ff_init_block_index(s);
-    if (v->field_mode && v->second_field) {
+    if (v->field_mode && !(v->second_field ^ v->tff)) {
         s->dest[0] += s->current_picture_ptr->f.linesize[0];
         s->dest[1] += s->current_picture_ptr->f.linesize[1];
         s->dest[2] += s->current_picture_ptr->f.linesize[2];



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