aom/vp8/common/mips/dspr2/idct_blk_dspr2.c

89 строки
2.0 KiB
C

/*
* Copyright (c) 2012 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"
#if HAVE_DSPR2
void vp8_dequant_idct_add_y_block_dspr2
(short *q, short *dq,
unsigned char *dst, int stride, char *eobs)
{
int i, j;
for (i = 0; i < 4; i++)
{
for (j = 0; j < 4; j++)
{
if (*eobs++ > 1)
vp8_dequant_idct_add_dspr2(q, dq, dst, stride);
else
{
vp8_dc_only_idct_add_dspr2(q[0]*dq[0], dst, stride, dst, stride);
((int *)q)[0] = 0;
}
q += 16;
dst += 4;
}
dst += 4 * stride - 16;
}
}
void vp8_dequant_idct_add_uv_block_dspr2
(short *q, short *dq,
unsigned char *dstu, unsigned char *dstv, int stride, char *eobs)
{
int i, j;
for (i = 0; i < 2; i++)
{
for (j = 0; j < 2; j++)
{
if (*eobs++ > 1)
vp8_dequant_idct_add_dspr2(q, dq, dstu, stride);
else
{
vp8_dc_only_idct_add_dspr2(q[0]*dq[0], dstu, stride, dstu, stride);
((int *)q)[0] = 0;
}
q += 16;
dstu += 4;
}
dstu += 4 * stride - 8;
}
for (i = 0; i < 2; i++)
{
for (j = 0; j < 2; j++)
{
if (*eobs++ > 1)
vp8_dequant_idct_add_dspr2(q, dq, dstv, stride);
else
{
vp8_dc_only_idct_add_dspr2(q[0]*dq[0], dstv, stride, dstv, stride);
((int *)q)[0] = 0;
}
q += 16;
dstv += 4;
}
dstv += 4 * stride - 8;
}
}
#endif