vp3/x86: use full transpose for all IDCTs.

This way, the special IDCT permutations are no longer needed. Bfin code
is disabled until someone updates it. This is similar to how H264 does
it, and removes the dsputil dependency imposed by the scantable code.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 6 insertions, 3 deletions

diff --git a/libavcodec/vp56.c b/libavcodec/vp56.c
index 00334d1282..15799b7ba2 100644
--- a/libavcodec/vp56.c
+++ b/libavcodec/vp56.c
@@ -263,7 +263,7 @@ static VP56mb vp56_decode_mv(VP56Context *s, int row, int col)
 
 static void vp56_add_predictors_dc(VP56Context *s, VP56Frame ref_frame)
 {
-    int idx = s->scantable.permutated[0];
+    int idx = s->idct_scantable[0];
     int b;
 
     for (b=0; b<6; b++) {
@@ -692,8 +692,11 @@ av_cold int ff_vp56_init_context(AVCodecContext *avctx, VP56Context *s,
     ff_videodsp_init(&s->vdsp, 8);
     ff_vp3dsp_init(&s->vp3dsp, avctx->flags);
     ff_vp56dsp_init(&s->vp56dsp, avctx->codec->id);
-    ff_init_scantable_permutation(s->dsp.idct_permutation, s->vp3dsp.idct_perm);
-    ff_init_scantable(s->dsp.idct_permutation, &s->scantable,ff_zigzag_direct);
+    for (i = 0; i < 64; i++) {
+#define T(x) (x >> 3) | ((x & 7) << 3)
+        s->idct_scantable[i] = T(ff_zigzag_direct[i]);
+#undef T
+    }
 
     for (i = 0; i < FF_ARRAY_ELEMS(s->frames); i++) {
         s->frames[i] = av_frame_alloc();