/* *  Copyright (c) 2010 The VP8 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 "dequantize.h"#include "predictdc.h"#include "idct.h"#include "vpx_mem/vpx_mem.h" extern void vp8_short_idct4x4llm_c(short *input, short *output, int pitch) ;extern void vp8_short_idct4x4llm_1_c(short *input, short *output, int pitch);  void vp8_dequantize_b_c(BLOCKD *d){    int i;    short *DQ  = d->dqcoeff;    short *Q   = d->qcoeff;    short *DQC = &d->dequant[0][0];     for (i = 0; i < 16; i++)    {        DQ[i] = Q[i] * DQC[i];    }} void vp8_dequant_idct_c(short *input, short *dq, short *output, int pitch){    int i;     for (i = 0; i < 16; i++)    {        input[i] = dq[i] * input[i];    }     vp8_short_idct4x4llm_c(input, output, pitch);    vpx_memset(input, 0, 32);} void vp8_dequant_dc_idct_c(short *input, short *dq, short *output, int pitch, int Dc){    int i;     input[0] = (short)Dc;     for (i = 1; i < 16; i++)    {        input[i] = dq[i] * input[i];    }     vp8_short_idct4x4llm_c(input, output, pitch);    vpx_memset(input, 0, 32);}