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);
+}
+