Update libvpx snapshot to v0.9.7-p1 (Cayuga).

source/libvpx/vp8/encoder/encodeintra.c

 /*
  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 
 #include "vpx_ports/config.h"
 #include "vp8/common/idct.h"
 #include "quantize.h"
 #include "vp8/common/reconintra.h"
 #include "vp8/common/reconintra4x4.h"
 #include "encodemb.h"
 #include "vp8/common/invtrans.h"
 #include "vp8/common/recon.h"
 #include "dct.h"
 #include "vp8/common/g_common.h"
 #include "encodeintra.h"
 
-#define intra4x4ibias_rate    128
-#define intra4x4pbias_rate    256
-
 
 #if CONFIG_RUNTIME_CPU_DETECT
 #define IF_RTCD(x) (x)
 #else
 #define IF_RTCD(x) NULL
 #endif
-void vp8_encode_intra4x4block(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x, BLOCK *be, BLOCKD *b, int best_mode)
+
+int vp8_encode_intra(VP8_COMP *cpi, MACROBLOCK *x, int use_dc_pred)
 {
-    vp8_predict_intra4x4(b, best_mode, b->predictor);
+
+    int i;
+    int intra_pred_var = 0;
+    (void) cpi;
+
+    if (use_dc_pred)
+    {
+        x->e_mbd.mode_info_context->mbmi.mode = DC_PRED;
+        x->e_mbd.mode_info_context->mbmi.uv_mode = DC_PRED;
+        x->e_mbd.mode_info_context->mbmi.ref_frame = INTRA_FRAME;
+
+        vp8_encode_intra16x16mby(IF_RTCD(&cpi->rtcd), x);
+    }
+    else
+    {
+        for (i = 0; i < 16; i++)
+        {
+            x->e_mbd.block[i].bmi.as_mode = B_DC_PRED;
+            vp8_encode_intra4x4block(IF_RTCD(&cpi->rtcd), x, i);
+        }
+    }
+
+    intra_pred_var = VARIANCE_INVOKE(&cpi->rtcd.variance, getmbss)(x->src_diff);
+
+    return intra_pred_var;
+}
+
+void vp8_encode_intra4x4block(const VP8_ENCODER_RTCD *rtcd,
+                              MACROBLOCK *x, int ib)
+{
+    BLOCKD *b = &x->e_mbd.block[ib];
+    BLOCK *be = &x->block[ib];
+
+    RECON_INVOKE(&rtcd->common->recon, intra4x4_predict)
+                (b, b->bmi.as_mode, b->predictor);
 
     ENCODEMB_INVOKE(&rtcd->encodemb, subb)(be, b, 16);
 
     x->vp8_short_fdct4x4(be->src_diff, be->coeff, 32);
 
     x->quantize_b(be, b);
 
     vp8_inverse_transform_b(IF_RTCD(&rtcd->common->idct), b, 32);
 
     RECON_INVOKE(&rtcd->common->recon, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
 }
 
 void vp8_encode_intra4x4mby(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *mb)
 {
     int i;
 
     MACROBLOCKD *x = &mb->e_mbd;
     vp8_intra_prediction_down_copy(x);
 
     for (i = 0; i < 16; i++)
-    {
-        BLOCK *be = &mb->block[i];
-        BLOCKD *b = &x->block[i];
-
-        vp8_encode_intra4x4block(rtcd, mb, be, b, b->bmi.mode);
-    }
-
+        vp8_encode_intra4x4block(rtcd, mb, i);
     return;
 }
 
 void vp8_encode_intra16x16mby(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x)
 {
-    int b;
+    BLOCK *b = &x->block[0];
 
     RECON_INVOKE(&rtcd->common->recon, build_intra_predictors_mby)(&x->e_mbd);
 
-    ENCODEMB_INVOKE(&rtcd->encodemb, submby)(x->src_diff, x->src.y_buffer, x->e_mbd.predictor, x->src.y_stride);
+    ENCODEMB_INVOKE(&rtcd->encodemb, submby)(x->src_diff, *(b->base_src), x->e_mbd.predictor, b->src_stride);
 
     vp8_transform_intra_mby(x);
 
     vp8_quantize_mby(x);
 
-#if !(CONFIG_REALTIME_ONLY)
-#if 1
     if (x->optimize)
         vp8_optimize_mby(x, rtcd);
 
-#endif
-#endif
-
     vp8_inverse_transform_mby(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
 
     RECON_INVOKE(&rtcd->common->recon, recon_mby)
         (IF_RTCD(&rtcd->common->recon), &x->e_mbd);
 
-    // make sure block modes are set the way we want them for context updates
-    for (b = 0; b < 16; b++)
-    {
-        BLOCKD *d = &x->e_mbd.block[b];
-
-        switch (x->e_mbd.mode_info_context->mbmi.mode)
-        {
-
-        case DC_PRED:
-            d->bmi.mode = B_DC_PRED;
-            break;
-        case V_PRED:
-            d->bmi.mode = B_VE_PRED;
-            break;
-        case H_PRED:
-            d->bmi.mode = B_HE_PRED;
-            break;
-        case TM_PRED:
-            d->bmi.mode = B_TM_PRED;
-            break;
-        default:
-            d->bmi.mode = B_DC_PRED;
-            break;
-
-        }
-    }
 }
 
 void vp8_encode_intra16x16mbuv(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x)
 {
-    vp8_build_intra_predictors_mbuv(&x->e_mbd);
+    RECON_INVOKE(&rtcd->common->recon, build_intra_predictors_mbuv)(&x->e_mbd);
 
     ENCODEMB_INVOKE(&rtcd->encodemb, submbuv)(x->src_diff, x->src.u_buffer, x->src.v_buffer, x->e_mbd.predictor, x->src.uv_stride);
 
     vp8_transform_mbuv(x);
 
     vp8_quantize_mbuv(x);
 
-#if !(CONFIG_REALTIME_ONLY)
-#if 1
-
-    if (x->optimize==2 ||(x->optimize && x->rddiv > 1))
+    if (x->optimize)
         vp8_optimize_mbuv(x, rtcd);
 
-#endif
-#endif
-
     vp8_inverse_transform_mbuv(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
 
     vp8_recon_intra_mbuv(IF_RTCD(&rtcd->common->recon), &x->e_mbd);
 }
-