Diffstat (limited to 'noncore/multimedia/opieplayer2/yuv2rgb_mlib.c') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/multimedia/opieplayer2/yuv2rgb_mlib.c | 313 |
1 files changed, 313 insertions, 0 deletions
diff --git a/noncore/multimedia/opieplayer2/yuv2rgb_mlib.c b/noncore/multimedia/opieplayer2/yuv2rgb_mlib.c new file mode 100644 index 0000000..908b439 --- a/dev/null +++ b/noncore/multimedia/opieplayer2/yuv2rgb_mlib.c @@ -0,0 +1,313 @@ +/* + * yuv2rgb_mlib.c + * Copyright (C) 2000-2001 Silicon Integrated System Corp. + * All Rights Reserved. + * + * Author: Juergen Keil <jk@tools.de> + * + * This file is part of xine, a free unix video player. + * + * xine 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. + * + * xine 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 + */ + + +#if HAVE_MLIB + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <inttypes.h> +#include <mlib_video.h> + +#include "attributes.h" +#include "yuv2rgb.h" + + +static void scale_line (uint8_t *source, uint8_t *dest, + int width, int step) { + + unsigned p1; + unsigned p2; + int dx; + + p1 = *source++; + p2 = *source++; + dx = 0; + + while (width) { + + /* + printf ("scale_line, width = %d\n", width); + printf ("scale_line, dx = %d, p1 = %d, p2 = %d\n", dx, p1, p2); + */ + + *dest = (p1 * (32768 - dx) + p2 * dx) / 32768; + + dx += step; + while (dx > 32768) { + dx -= 32768; + p1 = p2; + p2 = *source++; + } + + dest ++; + width --; + } +} + + + +static void mlib_yuv420_rgb24 (yuv2rgb_t *this, + uint8_t * image, uint8_t * py, + uint8_t * pu, uint8_t * pv) +{ + int dst_height; + int dy; + mlib_status mlib_stat; + + if (this->do_scale) { + dy = 0; + dst_height = this->dest_height; + + for (;;) { + scale_line (pu, this->u_buffer, + this->dest_width >> 1, this->step_dx); + pu += this->uv_stride; + + scale_line (pv, this->v_buffer, + this->dest_width >> 1, this->step_dx); + pv += this->uv_stride; + + scale_line (py, this->y_buffer, + this->dest_width, this->step_dx); + py += this->y_stride; + scale_line (py, this->y_buffer + this->dest_width, + this->dest_width, this->step_dx); + py += this->y_stride; + + mlib_stat = mlib_VideoColorYUV2RGB420(image, + this->y_buffer, + this->u_buffer, + this->v_buffer, + this->dest_width & ~1, 2, + this->rgb_stride, + this->dest_width, + this->dest_width >> 1); + dy += this->step_dy; + image += this->rgb_stride; + + while (--dst_height > 0 && dy < 32768) { + memcpy (image, (uint8_t*)image-this->rgb_stride, this->dest_width*6); + dy += this->step_dy; + image += this->rgb_stride; + } + + if (dst_height <= 0) + break; + + dy -= 32768; + + dy += this->step_dy; + image += this->rgb_stride; + + while (--dst_height > 0 && dy < 32768) { + memcpy (image, (uint8_t*)image-this->rgb_stride, this->dest_width*3); + dy += this->step_dy; + image += this->rgb_stride; + } + + if (dst_height <= 0) + break; + + dy -= 32768; + } + } else { + mlib_stat = mlib_VideoColorYUV2RGB420(image, py, pu, pv, + this->source_width, + this->source_height, + this->rgb_stride, + this->y_stride, + this->uv_stride); + } +} + +static void mlib_yuv420_argb32 (yuv2rgb_t *this, + uint8_t * image, uint8_t * py, + uint8_t * pu, uint8_t * pv) +{ + int dst_height; + int dy; + mlib_status mlib_stat; + + if (this->do_scale) { + dy = 0; + dst_height = this->dest_height; + + for (;;) { + scale_line (pu, this->u_buffer, + this->dest_width >> 1, this->step_dx); + pu += this->uv_stride; + + scale_line (pv, this->v_buffer, + this->dest_width >> 1, this->step_dx); + pv += this->uv_stride; + + scale_line (py, this->y_buffer, + this->dest_width, this->step_dx); + py += this->y_stride; + scale_line (py, this->y_buffer + this->dest_width, + this->dest_width, this->step_dx); + py += this->y_stride; + + mlib_stat = mlib_VideoColorYUV2ARGB420(image, + this->y_buffer, + this->u_buffer, + this->v_buffer, + this->dest_width & ~1, 2, + this->rgb_stride, + this->dest_width, + this->dest_width >> 1); + dy += this->step_dy; + image += this->rgb_stride; + + while (--dst_height > 0 && dy < 32768) { + memcpy (image, (uint8_t*)image-this->rgb_stride, this->dest_width*8); + dy += this->step_dy; + image += this->rgb_stride; + } + + if (dst_height <= 0) + break; + + dy -= 32768; + + dy += this->step_dy; + image += this->rgb_stride; + + while (--dst_height > 0 && dy < 32768) { + memcpy (image, (uint8_t*)image-this->rgb_stride, this->dest_width*4); + dy += this->step_dy; + image += this->rgb_stride; + } + + if (dst_height <= 0) + break; + + dy -= 32768; + } + } else { + mlib_stat = mlib_VideoColorYUV2ARGB420(image, py, pu, pv, + this->source_width, + this->source_height, + this->rgb_stride, + this->y_stride, + this->uv_stride); + } +} + +static void mlib_yuv420_abgr32 (yuv2rgb_t *this, + uint8_t * image, uint8_t * py, + uint8_t * pu, uint8_t * pv) +{ + int dst_height; + int dy; + mlib_status mlib_stat; + + if (this->do_scale) { + dy = 0; + dst_height = this->dest_height; + + for (;;) { + scale_line (pu, this->u_buffer, + this->dest_width >> 1, this->step_dx); + pu += this->uv_stride; + + scale_line (pv, this->v_buffer, + this->dest_width >> 1, this->step_dx); + pv += this->uv_stride; + + scale_line (py, this->y_buffer, + this->dest_width, this->step_dx); + py += this->y_stride; + scale_line (py, this->y_buffer + this->dest_width, + this->dest_width, this->step_dx); + py += this->y_stride; + + mlib_stat = mlib_VideoColorYUV2ABGR420(image, + this->y_buffer, + this->u_buffer, + this->v_buffer, + this->dest_width & ~1, 2, + this->rgb_stride, + this->dest_width, + this->dest_width >> 1); + dy += this->step_dy; + image += this->rgb_stride; + + while (--dst_height > 0 && dy < 32768) { + memcpy (image, (uint8_t*)image-this->rgb_stride, this->dest_width*8); + dy += this->step_dy; + image += this->rgb_stride; + } + + if (dst_height <= 0) + break; + + dy -= 32768; + + dy += this->step_dy; + image += this->rgb_stride; + + while (--dst_height > 0 && dy < 32768) { + memcpy (image, (uint8_t*)image-this->rgb_stride, this->dest_width*4); + dy += this->step_dy; + image += this->rgb_stride; + } + + if (dst_height <= 0) + break; + + dy -= 32768; + } + } else { + mlib_stat = mlib_VideoColorYUV2ABGR420(image, py, pu, pv, + this->source_width, + this->source_height, + this->rgb_stride, + this->y_stride, + this->uv_stride); + } +} + + +void yuv2rgb_init_mlib (yuv2rgb_factory_t *this) { + + if (this->swapped) return; /*no swapped pixel output upto now*/ + + switch (this->mode) { + case MODE_24_RGB: + this->yuv2rgb_fun = mlib_yuv420_rgb24; + break; + case MODE_32_RGB: + this->yuv2rgb_fun = mlib_yuv420_argb32; + break; + case MODE_32_BGR: + this->yuv2rgb_fun = mlib_yuv420_abgr32; + break; + } +} + + +#endif /* HAVE_MLIB */ |