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/*
* 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_config.h"
#include "vp8_rtcd.h"
void vp8_dequant_idct_add_y_block_v6(short *q, short *dq,
unsigned char *dst,
int stride, char *eobs)
{
int i;
for (i = 0; i < 4; i++)
{
if (eobs[0] > 1)
vp8_dequant_idct_add_v6 (q, dq, dst, stride);
else if (eobs[0] == 1)
{
vp8_dc_only_idct_add_v6 (q[0]*dq[0], dst, stride, dst, stride);
((int *)q)[0] = 0;
}
if (eobs[1] > 1)
vp8_dequant_idct_add_v6 (q+16, dq, dst+4, stride);
else if (eobs[1] == 1)
{
vp8_dc_only_idct_add_v6 (q[16]*dq[0], dst+4, stride, dst+4, stride);
((int *)(q+16))[0] = 0;
}
if (eobs[2] > 1)
vp8_dequant_idct_add_v6 (q+32, dq, dst+8, stride);
else if (eobs[2] == 1)
{
vp8_dc_only_idct_add_v6 (q[32]*dq[0], dst+8, stride, dst+8, stride);
((int *)(q+32))[0] = 0;
}
if (eobs[3] > 1)
vp8_dequant_idct_add_v6 (q+48, dq, dst+12, stride);
else if (eobs[3] == 1)
{
vp8_dc_only_idct_add_v6 (q[48]*dq[0], dst+12, stride,dst+12,stride);
((int *)(q+48))[0] = 0;
}
q += 64;
dst += 4*stride;
eobs += 4;
}
}
void vp8_dequant_idct_add_uv_block_v6(short *q, short *dq,
unsigned char *dstu,
unsigned char *dstv,
int stride, char *eobs)
{
int i;
for (i = 0; i < 2; i++)
{
if (eobs[0] > 1)
vp8_dequant_idct_add_v6 (q, dq, dstu, stride);
else if (eobs[0] == 1)
{
vp8_dc_only_idct_add_v6 (q[0]*dq[0], dstu, stride, dstu, stride);
((int *)q)[0] = 0;
}
if (eobs[1] > 1)
vp8_dequant_idct_add_v6 (q+16, dq, dstu+4, stride);
else if (eobs[1] == 1)
{
vp8_dc_only_idct_add_v6 (q[16]*dq[0], dstu+4, stride,
dstu+4, stride);
((int *)(q+16))[0] = 0;
}
q += 32;
dstu += 4*stride;
eobs += 2;
}
for (i = 0; i < 2; i++)
{
if (eobs[0] > 1)
vp8_dequant_idct_add_v6 (q, dq, dstv, stride);
else if (eobs[0] == 1)
{
vp8_dc_only_idct_add_v6 (q[0]*dq[0], dstv, stride, dstv, stride);
((int *)q)[0] = 0;
}
if (eobs[1] > 1)
vp8_dequant_idct_add_v6 (q+16, dq, dstv+4, stride);
else if (eobs[1] == 1)
{
vp8_dc_only_idct_add_v6 (q[16]*dq[0], dstv+4, stride,
dstv+4, stride);
((int *)(q+16))[0] = 0;
}
q += 32;
dstv += 4*stride;
eobs += 2;
}
}
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