[FFmpeg-cvslog] vc1: select interlaced scan table by FCM element

[Kostya Shishkov]

ffmpeg | branch: master | Kostya Shishkov <kostya.shishkov at gmail.com> | Sat Nov 26 13:23:39 2011 +0100| [498605b4ad64e63990c4a94de9ff614a3c770d01] | committer: Ronald S. Bultje

vc1: select interlaced scan table by FCM element

Interlaced videos can contain progressive frames too and now wrong scantable
is selected for them.

Signed-off-by: Ronald S. Bultje <rsbultje at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=498605b4ad64e63990c4a94de9ff614a3c770d01
---

 libavcodec/vc1dec.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 7a65f31..c479c08 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -3293,7 +3293,7 @@ static int vc1_decode_p_block(VC1Context *v, DCTELEM block[64], int n,
             i += skip;
             if (i > 63)
                 break;
-            if (!v->interlace)
+            if (!v->fcm)
                 idx = v->zz_8x8[0][i++];
             else
                 idx = v->zzi_8x8[i++];
@@ -3321,7 +3321,7 @@ static int vc1_decode_p_block(VC1Context *v, DCTELEM block[64], int n,
                 i += skip;
                 if (i > 15)
                     break;
-                if (!v->interlace)
+                if (!v->fcm)
                     idx = ff_vc1_simple_progressive_4x4_zz[i++];
                 else
                     idx = ff_vc1_adv_interlaced_4x4_zz[i++];
@@ -3348,7 +3348,7 @@ static int vc1_decode_p_block(VC1Context *v, DCTELEM block[64], int n,
                 i += skip;
                 if (i > 31)
                     break;
-                if (!v->interlace)
+                if (!v->fcm)
                     idx = v->zz_8x4[i++] + off;
                 else
                     idx = ff_vc1_adv_interlaced_8x4_zz[i++] + off;
@@ -3375,7 +3375,7 @@ static int vc1_decode_p_block(VC1Context *v, DCTELEM block[64], int n,
                 i += skip;
                 if (i > 31)
                     break;
-                if (!v->interlace)
+                if (!v->fcm)
                     idx = v->zz_4x8[i++] + off;
                 else
                     idx = ff_vc1_adv_interlaced_4x8_zz[i++] + off;