ref: 728886fae9bf749cd7a6e6876a5289640ee578fa
dir: /vp8/common/ppc/loopfilter_altivec.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 "loopfilter.h"
#include "onyxc_int.h"
typedef void loop_filter_function_y_ppc
(
unsigned char *s, // source pointer
int p, // pitch
const signed char *flimit,
const signed char *limit,
const signed char *thresh
);
typedef void loop_filter_function_uv_ppc
(
unsigned char *u, // source pointer
unsigned char *v, // source pointer
int p, // pitch
const signed char *flimit,
const signed char *limit,
const signed char *thresh
);
typedef void loop_filter_function_s_ppc
(
unsigned char *s, // source pointer
int p, // pitch
const signed char *flimit
);
loop_filter_function_y_ppc mbloop_filter_horizontal_edge_y_ppc;
loop_filter_function_y_ppc mbloop_filter_vertical_edge_y_ppc;
loop_filter_function_y_ppc loop_filter_horizontal_edge_y_ppc;
loop_filter_function_y_ppc loop_filter_vertical_edge_y_ppc;
loop_filter_function_uv_ppc mbloop_filter_horizontal_edge_uv_ppc;
loop_filter_function_uv_ppc mbloop_filter_vertical_edge_uv_ppc;
loop_filter_function_uv_ppc loop_filter_horizontal_edge_uv_ppc;
loop_filter_function_uv_ppc loop_filter_vertical_edge_uv_ppc;
loop_filter_function_s_ppc loop_filter_simple_horizontal_edge_ppc;
loop_filter_function_s_ppc loop_filter_simple_vertical_edge_ppc;
// Horizontal MB filtering
void loop_filter_mbh_ppc(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
int y_stride, int uv_stride, loop_filter_info *lfi)
{
mbloop_filter_horizontal_edge_y_ppc(y_ptr, y_stride, lfi->mbflim, lfi->lim, lfi->thr);
if (u_ptr)
mbloop_filter_horizontal_edge_uv_ppc(u_ptr, v_ptr, uv_stride, lfi->mbflim, lfi->lim, lfi->thr);
}
void loop_filter_mbhs_ppc(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
int y_stride, int uv_stride, loop_filter_info *lfi)
{
(void)u_ptr;
(void)v_ptr;
(void)uv_stride;
loop_filter_simple_horizontal_edge_ppc(y_ptr, y_stride, lfi->mbflim);
}
// Vertical MB Filtering
void loop_filter_mbv_ppc(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
int y_stride, int uv_stride, loop_filter_info *lfi)
{
mbloop_filter_vertical_edge_y_ppc(y_ptr, y_stride, lfi->mbflim, lfi->lim, lfi->thr);
if (u_ptr)
mbloop_filter_vertical_edge_uv_ppc(u_ptr, v_ptr, uv_stride, lfi->mbflim, lfi->lim, lfi->thr);
}
void loop_filter_mbvs_ppc(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
int y_stride, int uv_stride, loop_filter_info *lfi)
{
(void)u_ptr;
(void)v_ptr;
(void)uv_stride;
loop_filter_simple_vertical_edge_ppc(y_ptr, y_stride, lfi->mbflim);
}
// Horizontal B Filtering
void loop_filter_bh_ppc(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
int y_stride, int uv_stride, loop_filter_info *lfi)
{
// These should all be done at once with one call, instead of 3
loop_filter_horizontal_edge_y_ppc(y_ptr + 4 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr);
loop_filter_horizontal_edge_y_ppc(y_ptr + 8 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr);
loop_filter_horizontal_edge_y_ppc(y_ptr + 12 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr);
if (u_ptr)
loop_filter_horizontal_edge_uv_ppc(u_ptr + 4 * uv_stride, v_ptr + 4 * uv_stride, uv_stride, lfi->flim, lfi->lim, lfi->thr);
}
void loop_filter_bhs_ppc(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
int y_stride, int uv_stride, loop_filter_info *lfi)
{
(void)u_ptr;
(void)v_ptr;
(void)uv_stride;
loop_filter_simple_horizontal_edge_ppc(y_ptr + 4 * y_stride, y_stride, lfi->flim);
loop_filter_simple_horizontal_edge_ppc(y_ptr + 8 * y_stride, y_stride, lfi->flim);
loop_filter_simple_horizontal_edge_ppc(y_ptr + 12 * y_stride, y_stride, lfi->flim);
}
// Vertical B Filtering
void loop_filter_bv_ppc(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
int y_stride, int uv_stride, loop_filter_info *lfi)
{
loop_filter_vertical_edge_y_ppc(y_ptr, y_stride, lfi->flim, lfi->lim, lfi->thr);
if (u_ptr)
loop_filter_vertical_edge_uv_ppc(u_ptr + 4, v_ptr + 4, uv_stride, lfi->flim, lfi->lim, lfi->thr);
}
void loop_filter_bvs_ppc(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
int y_stride, int uv_stride, loop_filter_info *lfi)
{
(void)u_ptr;
(void)v_ptr;
(void)uv_stride;
loop_filter_simple_vertical_edge_ppc(y_ptr + 4, y_stride, lfi->flim);
loop_filter_simple_vertical_edge_ppc(y_ptr + 8, y_stride, lfi->flim);
loop_filter_simple_vertical_edge_ppc(y_ptr + 12, y_stride, lfi->flim);
}