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/*
* yuv2rgb_arm.c
* Copyright (C) 2000-2001 Project OPIE.
* All Rights Reserved.
*
* Author: Robert Griebl <sandman@handhelds.org>
*
* This file is part of OpiePlayer2.
*
* OpiePlayer2 is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* OpiePlayer2 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifdef __arm__
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include "yuv2rgb.h"
#include <xine/xineutils.h>
#define RGB(i) \
U = pu[i]; \
V = pv[i]; \
r = this->table_rV[V]; \
g = (void *) (((uint8_t *)this->table_gU[U]) + this->table_gV[V]); \
b = this->table_bU[U];
#define DST1(i) \
Y = py_1[2*i]; \
dst_1[2*i] = r[Y] + g[Y] + b[Y]; \
Y = py_1[2*i+1]; \
dst_1[2*i+1] = r[Y] + g[Y] + b[Y];
struct dummy {
uint8_t *yuv [3];
int stride [3];
};
extern void convert_yuv420_rgb565(struct dummy *picture, unsigned char *results, int w, int h) ;
static void arm_rgb16 (yuv2rgb_t *this, uint8_t * _dst,
uint8_t * _py, uint8_t * _pu, uint8_t * _pv)
{
if ( !this-> do_scale ) {
struct dummy d;
d. yuv [0] = _py;
d. yuv [1] = _pu;
d. yuv [2] = _pv;
d. stride [0] = this-> y_stride;
d. stride [1] = d. stride [2] = this-> uv_stride;
// printf( "calling arm (%dx%d)\n", this-> dest_width, this-> dest_height );
convert_yuv420_rgb565 ( &d, _dst, this->dest_width, this->dest_height );
// printf ( "arm done\n" );
}
else {
int U, V, Y;
uint8_t * py_1, * py_2, * pu, * pv;
uint16_t * r, * g, * b;
uint16_t * dst_1, * dst_2;
int width, height, dst_height;
int dy;
scale_line_func_t scale_line = this->scale_line;
scale_line (_pu, this->u_buffer,
this->dest_width >> 1, this->step_dx);
scale_line (_pv, this->v_buffer,
this->dest_width >> 1, this->step_dx);
scale_line (_py, this->y_buffer,
this->dest_width, this->step_dx);
dy = 0;
dst_height = this->dest_height;
for (height = 0;; ) {
dst_1 = (uint16_t*)_dst;
py_1 = this->y_buffer;
pu = this->u_buffer;
pv = this->v_buffer;
width = this->dest_width >> 3;
do {
RGB(0);
DST1(0);
RGB(1);
DST1(1);
RGB(2);
DST1(2);
RGB(3);
DST1(3);
pu += 4;
pv += 4;
py_1 += 8;
dst_1 += 8;
} while (--width);
dy += this->step_dy;
_dst += this->rgb_stride;
while (--dst_height > 0 && dy < 32768) {
xine_fast_memcpy (_dst, (uint8_t*)_dst-this->rgb_stride, this->dest_width*2);
dy += this->step_dy;
_dst += this->rgb_stride;
}
if (dst_height <= 0)
break;
do {
dy -= 32768;
_py += this->y_stride;
scale_line (_py, this->y_buffer,
this->dest_width, this->step_dx);
if (height & 1) {
_pu += this->uv_stride;
_pv += this->uv_stride;
scale_line (_pu, this->u_buffer,
this->dest_width >> 1, this->step_dx);
scale_line (_pv, this->v_buffer,
this->dest_width >> 1, this->step_dx);
}
height++;
} while( dy>=32768);
}
}
}
void yuv2rgb_init_arm (yuv2rgb_factory_t *this) {
if (this->swapped)
return; /*no swapped pixel output upto now*/
switch (this->mode) {
case MODE_16_RGB:
this->yuv2rgb_fun = arm_rgb16;
break;
}
}
#endif
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