shithub: libvpx

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Cleaning up optimize_b() function.

Change-Id: Id4c5b73ad747a8851969e9daf5bac40b4b9beefc

--- a/vp9/encoder/vp9_encodemb.c

+++ b/vp9/encoder/vp9_encodemb.c

@@ -107,7 +107,7 @@

 static void optimize_b(int plane, int block, BLOCK_SIZE plane_bsize,

                        TX_SIZE tx_size, MACROBLOCK *mb,

-                       struct optimize_ctx *ctx) {

+                       ENTROPY_CONTEXT *a, ENTROPY_CONTEXT *l) {

   MACROBLOCKD *const xd = &mb->e_mbd;

   struct macroblock_plane *p = &mb->plane[plane];

   struct macroblockd_plane *pd = &xd->plane[plane];

@@ -133,11 +133,6 @@

   const scan_order *so = get_scan(xd, tx_size, type, block);

   const int16_t *scan = so->scan;

   const int16_t *nb = so->neighbors;

-  ENTROPY_CONTEXT *a, *l;

-  int tx_x, tx_y;

-  txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &tx_x, &tx_y);

-  a = &ctx->ta[plane][tx_x];

-  l = &ctx->tl[plane][tx_y];

   assert((!type && !plane) || (type && plane));

   assert(eob <= default_eob);

@@ -380,15 +375,17 @@

   int16_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);

   int i, j;

   uint8_t *dst;

+  ENTROPY_CONTEXT *a, *l;

   txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j);

   dst = &pd->dst.buf[4 * j * pd->dst.stride + 4 * i];

+  a = &ctx->ta[plane][i];

+  l = &ctx->tl[plane][j];

   // TODO(jingning): per transformed block zero forcing only enabled for

   // luma component. will integrate chroma components as well.

   if (x->zcoeff_blk[tx_size][block] && plane == 0) {

     p->eobs[block] = 0;

-    ctx->ta[plane][i] = 0;

-    ctx->tl[plane][j] = 0;

+    *a = *l = 0;

     return;

   }

@@ -396,10 +393,9 @@

     vp9_xform_quant(x, plane, block, plane_bsize, tx_size);

   if (x->optimize && (!x->skip_recode || !x->skip_optimize)) {

-    optimize_b(plane, block, plane_bsize, tx_size, x, ctx);

+    optimize_b(plane, block, plane_bsize, tx_size, x, a, l);

   } else {

-    ctx->ta[plane][i] = p->eobs[block] > 0;

-    ctx->tl[plane][j] = p->eobs[block] > 0;

+    *a = *l = p->eobs[block] > 0;

   }

   if (p->eobs[block])

@@ -501,9 +497,6 @@

   dst = &pd->dst.buf[4 * (j * dst_stride + i)];

   src = &p->src.buf[4 * (j * src_stride + i)];

   src_diff = &p->src_diff[4 * (j * diff_stride + i)];

-

-  // if (x->optimize)

-  //   optimize_b(plane, block, plane_bsize, tx_size, x, args->ctx);

   switch (tx_size) {

     case TX_32X32:

-- 

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