Diffstat (limited to 'noncore/multimedia/opieplayer2/yuv2rgb_arm.c') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/multimedia/opieplayer2/yuv2rgb_arm.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/noncore/multimedia/opieplayer2/yuv2rgb_arm.c b/noncore/multimedia/opieplayer2/yuv2rgb_arm.c new file mode 100644 index 0000000..699ee48 --- a/dev/null +++ b/noncore/multimedia/opieplayer2/yuv2rgb_arm.c @@ -0,0 +1,174 @@ +/* + * 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 |