mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
01e1f76f66
--HG-- rename : media/libvpx/vp8/common/filter_c.c => media/libvpx/vp8/common/filter.c rename : media/libvpx/vpx_scale/generic/scalesystemdependant.c => media/libvpx/vpx_scale/generic/scalesystemdependent.c
125 lines
3.3 KiB
C
125 lines
3.3 KiB
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 "dequantize.h"
|
|
|
|
void vp8_dequant_dc_idct_add_c(short *input, short *dq, unsigned char *pred,
|
|
unsigned char *dest, int pitch, int stride,
|
|
int Dc);
|
|
void vp8_dequant_idct_add_c(short *input, short *dq, unsigned char *pred,
|
|
unsigned char *dest, int pitch, int stride);
|
|
void vp8_dc_only_idct_add_c(short input_dc, unsigned char *pred_ptr,
|
|
unsigned char *dst_ptr, int pitch, int stride);
|
|
|
|
void vp8_dequant_dc_idct_add_y_block_c
|
|
(short *q, short *dq, unsigned char *pre,
|
|
unsigned char *dst, int stride, char *eobs, short *dc)
|
|
{
|
|
int i, j;
|
|
|
|
for (i = 0; i < 4; i++)
|
|
{
|
|
for (j = 0; j < 4; j++)
|
|
{
|
|
if (*eobs++ > 1)
|
|
vp8_dequant_dc_idct_add_c (q, dq, pre, dst, 16, stride, dc[0]);
|
|
else
|
|
vp8_dc_only_idct_add_c (dc[0], pre, dst, 16, stride);
|
|
|
|
q += 16;
|
|
pre += 4;
|
|
dst += 4;
|
|
dc ++;
|
|
}
|
|
|
|
pre += 64 - 16;
|
|
dst += 4*stride - 16;
|
|
}
|
|
}
|
|
|
|
void vp8_dequant_idct_add_y_block_c
|
|
(short *q, short *dq, unsigned char *pre,
|
|
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_c (q, dq, pre, dst, 16, stride);
|
|
else
|
|
{
|
|
vp8_dc_only_idct_add_c (q[0]*dq[0], pre, dst, 16, stride);
|
|
((int *)q)[0] = 0;
|
|
}
|
|
|
|
q += 16;
|
|
pre += 4;
|
|
dst += 4;
|
|
}
|
|
|
|
pre += 64 - 16;
|
|
dst += 4*stride - 16;
|
|
}
|
|
}
|
|
|
|
void vp8_dequant_idct_add_uv_block_c
|
|
(short *q, short *dq, unsigned char *pre,
|
|
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_c (q, dq, pre, dstu, 8, stride);
|
|
else
|
|
{
|
|
vp8_dc_only_idct_add_c (q[0]*dq[0], pre, dstu, 8, stride);
|
|
((int *)q)[0] = 0;
|
|
}
|
|
|
|
q += 16;
|
|
pre += 4;
|
|
dstu += 4;
|
|
}
|
|
|
|
pre += 32 - 8;
|
|
dstu += 4*stride - 8;
|
|
}
|
|
|
|
for (i = 0; i < 2; i++)
|
|
{
|
|
for (j = 0; j < 2; j++)
|
|
{
|
|
if (*eobs++ > 1)
|
|
vp8_dequant_idct_add_c (q, dq, pre, dstv, 8, stride);
|
|
else
|
|
{
|
|
vp8_dc_only_idct_add_c (q[0]*dq[0], pre, dstv, 8, stride);
|
|
((int *)q)[0] = 0;
|
|
}
|
|
|
|
q += 16;
|
|
pre += 4;
|
|
dstv += 4;
|
|
}
|
|
|
|
pre += 32 - 8;
|
|
dstv += 4*stride - 8;
|
|
}
|
|
}
|