vpx/vp8/decoder/arm/neon/idct_blk_neon.c
John Koleszar c2140b8af1 Use WebM in copyright notice for consistency
Changes 'The VP8 project' to 'The WebM project', for consistency
with other webmproject.org repositories.

Fixes issue #97.

Change-Id: I37c13ed5fbdb9d334ceef71c6350e9febed9bbba
2010-09-09 10:01:21 -04:00

152 lines
4.2 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 "idct.h"
#include "dequantize.h"
void vp8_dequant_dc_idct_add_y_block_neon
(short *q, short *dq, unsigned char *pre,
unsigned char *dst, int stride, char *eobs, short *dc)
{
int i;
for (i = 0; i < 4; i++)
{
if (eobs[0] > 1)
vp8_dequant_dc_idct_add_neon (q, dq, pre, dst, 16, stride, dc[0]);
else
vp8_dc_only_idct_add_neon (dc[0], pre, dst, 16, stride);
if (eobs[1] > 1)
vp8_dequant_dc_idct_add_neon (q+16, dq, pre+4, dst+4, 16, stride, dc[1]);
else
vp8_dc_only_idct_add_neon (dc[1], pre+4, dst+4, 16, stride);
if (eobs[2] > 1)
vp8_dequant_dc_idct_add_neon (q+32, dq, pre+8, dst+8, 16, stride, dc[2]);
else
vp8_dc_only_idct_add_neon (dc[2], pre+8, dst+8, 16, stride);
if (eobs[3] > 1)
vp8_dequant_dc_idct_add_neon (q+48, dq, pre+12, dst+12, 16, stride, dc[3]);
else
vp8_dc_only_idct_add_neon (dc[3], pre+12, dst+12, 16, stride);
q += 64;
dc += 4;
pre += 64;
dst += 4*stride;
eobs += 4;
}
}
void vp8_dequant_idct_add_y_block_neon
(short *q, short *dq, unsigned char *pre,
unsigned char *dst, int stride, char *eobs)
{
int i;
for (i = 0; i < 4; i++)
{
if (eobs[0] > 1)
vp8_dequant_idct_add_neon (q, dq, pre, dst, 16, stride);
else
{
vp8_dc_only_idct_add_neon (q[0]*dq[0], pre, dst, 16, stride);
((int *)q)[0] = 0;
}
if (eobs[1] > 1)
vp8_dequant_idct_add_neon (q+16, dq, pre+4, dst+4, 16, stride);
else
{
vp8_dc_only_idct_add_neon (q[16]*dq[0], pre+4, dst+4, 16, stride);
((int *)(q+16))[0] = 0;
}
if (eobs[2] > 1)
vp8_dequant_idct_add_neon (q+32, dq, pre+8, dst+8, 16, stride);
else
{
vp8_dc_only_idct_add_neon (q[32]*dq[0], pre+8, dst+8, 16, stride);
((int *)(q+32))[0] = 0;
}
if (eobs[3] > 1)
vp8_dequant_idct_add_neon (q+48, dq, pre+12, dst+12, 16, stride);
else
{
vp8_dc_only_idct_add_neon (q[48]*dq[0], pre+12, dst+12, 16, stride);
((int *)(q+48))[0] = 0;
}
q += 64;
pre += 64;
dst += 4*stride;
eobs += 4;
}
}
void vp8_dequant_idct_add_uv_block_neon
(short *q, short *dq, unsigned char *pre,
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_neon (q, dq, pre, dstu, 8, stride);
else
{
vp8_dc_only_idct_add_neon (q[0]*dq[0], pre, dstu, 8, stride);
((int *)q)[0] = 0;
}
if (eobs[1] > 1)
vp8_dequant_idct_add_neon (q+16, dq, pre+4, dstu+4, 8, stride);
else
{
vp8_dc_only_idct_add_neon (q[16]*dq[0], pre+4, dstu+4, 8, stride);
((int *)(q+16))[0] = 0;
}
q += 32;
pre += 32;
dstu += 4*stride;
eobs += 2;
}
for (i = 0; i < 2; i++)
{
if (eobs[0] > 1)
vp8_dequant_idct_add_neon (q, dq, pre, dstv, 8, stride);
else
{
vp8_dc_only_idct_add_neon (q[0]*dq[0], pre, dstv, 8, stride);
((int *)q)[0] = 0;
}
if (eobs[1] > 1)
vp8_dequant_idct_add_neon (q+16, dq, pre+4, dstv+4, 8, stride);
else
{
vp8_dc_only_idct_add_neon (q[16]*dq[0], pre+4, dstv+4, 8, stride);
((int *)(q+16))[0] = 0;
}
q += 32;
pre += 32;
dstv += 4*stride;
eobs += 2;
}
}