vpx/vp8/common/x86/idct_blk_mmx.c
Jim Bankoski 3e04114f3d prepend ++ instead of post in for loops.
Applied the following regex  :
search for: (for.*\(.*;.*;) ([a-zA-Z_]*)\+\+\)
replace with: \1 ++\2)

This misses some for loops:
ie : for (mb_col = 0; mb_col < oci->mb_cols; mb_col++, mi++)

Change-Id: Icf5f6fb93cced0992e0bb71d2241780f7fb1f0a8
2016-07-18 06:54:50 -07:00

112 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_config.h"
#include "vp8_rtcd.h"
#include "vp8/common/blockd.h"
#include "vpx_mem/vpx_mem.h"
extern void vp8_dequantize_b_impl_mmx(short *sq, short *dq, short *q);
void vp8_dequantize_b_mmx(BLOCKD *d, short *DQC) {
short *sq = (short *)d->qcoeff;
short *dq = (short *)d->dqcoeff;
vp8_dequantize_b_impl_mmx(sq, dq, DQC);
}
void vp8_dequant_idct_add_y_block_mmx(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_mmx(q, dq, dst, stride);
else if (eobs[0] == 1) {
vp8_dc_only_idct_add_mmx(q[0] * dq[0], dst, stride, dst, stride);
memset(q, 0, 2 * sizeof(q[0]));
}
if (eobs[1] > 1)
vp8_dequant_idct_add_mmx(q + 16, dq, dst + 4, stride);
else if (eobs[1] == 1) {
vp8_dc_only_idct_add_mmx(q[16] * dq[0], dst + 4, stride, dst + 4, stride);
memset(q + 16, 0, 2 * sizeof(q[0]));
}
if (eobs[2] > 1)
vp8_dequant_idct_add_mmx(q + 32, dq, dst + 8, stride);
else if (eobs[2] == 1) {
vp8_dc_only_idct_add_mmx(q[32] * dq[0], dst + 8, stride, dst + 8, stride);
memset(q + 32, 0, 2 * sizeof(q[0]));
}
if (eobs[3] > 1)
vp8_dequant_idct_add_mmx(q + 48, dq, dst + 12, stride);
else if (eobs[3] == 1) {
vp8_dc_only_idct_add_mmx(q[48] * dq[0], dst + 12, stride, dst + 12,
stride);
memset(q + 48, 0, 2 * sizeof(q[0]));
}
q += 64;
dst += 4 * stride;
eobs += 4;
}
}
void vp8_dequant_idct_add_uv_block_mmx(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_mmx(q, dq, dstu, stride);
else if (eobs[0] == 1) {
vp8_dc_only_idct_add_mmx(q[0] * dq[0], dstu, stride, dstu, stride);
memset(q, 0, 2 * sizeof(q[0]));
}
if (eobs[1] > 1)
vp8_dequant_idct_add_mmx(q + 16, dq, dstu + 4, stride);
else if (eobs[1] == 1) {
vp8_dc_only_idct_add_mmx(q[16] * dq[0], dstu + 4, stride, dstu + 4,
stride);
memset(q + 16, 0, 2 * sizeof(q[0]));
}
q += 32;
dstu += 4 * stride;
eobs += 2;
}
for (i = 0; i < 2; ++i) {
if (eobs[0] > 1)
vp8_dequant_idct_add_mmx(q, dq, dstv, stride);
else if (eobs[0] == 1) {
vp8_dc_only_idct_add_mmx(q[0] * dq[0], dstv, stride, dstv, stride);
memset(q, 0, 2 * sizeof(q[0]));
}
if (eobs[1] > 1)
vp8_dequant_idct_add_mmx(q + 16, dq, dstv + 4, stride);
else if (eobs[1] == 1) {
vp8_dc_only_idct_add_mmx(q[16] * dq[0], dstv + 4, stride, dstv + 4,
stride);
memset(q + 16, 0, 2 * sizeof(q[0]));
}
q += 32;
dstv += 4 * stride;
eobs += 2;
}
}