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author | Tom Schouten <doelie@users.sourceforge.net> | 2003-01-21 10:27:33 +0000 |
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committer | Tom Schouten <doelie@users.sourceforge.net> | 2003-01-21 10:27:33 +0000 |
commit | 9b8745d5250c9d0b60c9aa5a77f58a3fcddf1076 (patch) | |
tree | 8372b6a414a7124cec57efc9c80845e2bc1b157d /system/pdp_llconv_mmx.c |
This commit was generated by cvs2svn to compensate for changes in r352,svn2git-root
which included commits to RCS files with non-trunk default branches.
svn path=/trunk/externals/pdp/; revision=353
Diffstat (limited to 'system/pdp_llconv_mmx.c')
-rw-r--r-- | system/pdp_llconv_mmx.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/system/pdp_llconv_mmx.c b/system/pdp_llconv_mmx.c new file mode 100644 index 0000000..8070bac --- /dev/null +++ b/system/pdp_llconv_mmx.c @@ -0,0 +1,55 @@ + +/* + * Pure Data Packet system implementation. : wrapper for mmx low level format conversion code + * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org> + * + * This program 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. + * + * This program 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., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + + +#include "pdp_mmx.h" + + + +/* convert greyscale 8 bit unsigned to 16bit signed */ +void llconv_grey_s16u8(short int *src, unsigned char *dst, unsigned int nbpixels) +{ + pixel_pack_s16u8_y(src, dst, nbpixels>>3); +} + +/* convert yvu planar 411 16 bit signed to 8 bit unsigned */ +void llconv_yvu_planar_s16u8(short int *src, unsigned char *dst, unsigned int nbpixels) +{ + pixel_pack_s16u8_y(src, dst, nbpixels>>3); + pixel_pack_s16u8_uv(src + nbpixels, dst + nbpixels, nbpixels>>4); +} + + +/* convert yvu planar 411 8 bit unsigned to yv12 planar 16bit signed */ +void llconv_yvu_planar_u8s16(unsigned char* source, short int *dest, int nbpixels) +{ + pixel_unpack_u8s16_y(source, dest, nbpixels>>3); + pixel_unpack_u8s16_uv(&source[nbpixels], &dest[nbpixels], nbpixels>>4); +} + +/* convert yuv planar 411 8 bit unsigned to yv12 planar 16bit signed */ +void llconv_yuv_planar_u8s16(unsigned char* source, short int *dest, int nbpixels) +{ + pixel_unpack_u8s16_y(source, dest, nbpixels>>3); + pixel_unpack_u8s16_uv(&source[nbpixels], &dest[nbpixels + (nbpixels>>2)], nbpixels>>5); + pixel_unpack_u8s16_uv(&source[nbpixels + (nbpixels>>2)], &dest[nbpixels], nbpixels>>5); +} + |