From 854a7e0af7f9e106ff389ba0b2d4361021639fea Mon Sep 17 00:00:00 2001 From: Thomas Vander Stichele Date: Sun, 23 Dec 2001 14:25:32 +0000 Subject: adding hermes Original commit message from CVS: adding hermes --- ext/hermes/yuv2yuv.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 ext/hermes/yuv2yuv.c (limited to 'ext/hermes/yuv2yuv.c') diff --git a/ext/hermes/yuv2yuv.c b/ext/hermes/yuv2yuv.c new file mode 100644 index 00000000..bec60c8a --- /dev/null +++ b/ext/hermes/yuv2yuv.c @@ -0,0 +1,55 @@ +/* Gnome-Streamer + * Copyright (C) <1999> Erik Walthinsen + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include "config.h" + +#include +#include + +#include + +//#undef HAVE_LIBMMX + +#ifdef HAVE_LIBMMX +#include "mmx.h" +#endif + +void gst_colorspace_yuy2_to_i420(unsigned char *src, unsigned char *dest, guint width, guint height) +{ + int size, i, j; + guchar *desty, *destr, *destb; + + size = width * height; + + desty = dest; + destr = desty + size; + destb = destr + (size>>2); + + for (i=0; i>1); j++) { + *desty++ = *src; + *desty++ = *(src+2); + if ((i&1) == 0) { + *destr++ = *(src+1); + *destb++ = *(src+3); + } + src += 4; + } + } +} -- cgit v1.2.1