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      1 /*
      2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #include "vpx_config.h"
     12 #include "vp8_rtcd.h"
     13 
     14 /* place these declarations here because we don't want to maintain them
     15  * outside of this scope
     16  */
     17 void idct_dequant_full_2x_neon(short *q, short *dq, unsigned char *dst,
     18                                int stride);
     19 void idct_dequant_0_2x_neon(short *q, short dq, unsigned char *dst, int stride);
     20 
     21 void vp8_dequant_idct_add_y_block_neon(short *q, short *dq, unsigned char *dst,
     22                                        int stride, char *eobs) {
     23   int i;
     24 
     25   for (i = 0; i < 4; ++i) {
     26     if (((short *)(eobs))[0]) {
     27       if (((short *)eobs)[0] & 0xfefe)
     28         idct_dequant_full_2x_neon(q, dq, dst, stride);
     29       else
     30         idct_dequant_0_2x_neon(q, dq[0], dst, stride);
     31     }
     32 
     33     if (((short *)(eobs))[1]) {
     34       if (((short *)eobs)[1] & 0xfefe)
     35         idct_dequant_full_2x_neon(q + 32, dq, dst + 8, stride);
     36       else
     37         idct_dequant_0_2x_neon(q + 32, dq[0], dst + 8, stride);
     38     }
     39     q += 64;
     40     dst += 4 * stride;
     41     eobs += 4;
     42   }
     43 }
     44 
     45 void vp8_dequant_idct_add_uv_block_neon(short *q, short *dq,
     46                                         unsigned char *dstu,
     47                                         unsigned char *dstv, int stride,
     48                                         char *eobs) {
     49   if (((short *)(eobs))[0]) {
     50     if (((short *)eobs)[0] & 0xfefe)
     51       idct_dequant_full_2x_neon(q, dq, dstu, stride);
     52     else
     53       idct_dequant_0_2x_neon(q, dq[0], dstu, stride);
     54   }
     55 
     56   q += 32;
     57   dstu += 4 * stride;
     58 
     59   if (((short *)(eobs))[1]) {
     60     if (((short *)eobs)[1] & 0xfefe)
     61       idct_dequant_full_2x_neon(q, dq, dstu, stride);
     62     else
     63       idct_dequant_0_2x_neon(q, dq[0], dstu, stride);
     64   }
     65 
     66   q += 32;
     67 
     68   if (((short *)(eobs))[2]) {
     69     if (((short *)eobs)[2] & 0xfefe)
     70       idct_dequant_full_2x_neon(q, dq, dstv, stride);
     71     else
     72       idct_dequant_0_2x_neon(q, dq[0], dstv, stride);
     73   }
     74 
     75   q += 32;
     76   dstv += 4 * stride;
     77 
     78   if (((short *)(eobs))[3]) {
     79     if (((short *)eobs)[3] & 0xfefe)
     80       idct_dequant_full_2x_neon(q, dq, dstv, stride);
     81     else
     82       idct_dequant_0_2x_neon(q, dq[0], dstv, stride);
     83   }
     84 }
     85