1 files changed, 78 insertions, 0 deletions
diff --git a/include/pdp_llconv.h b/include/pdp_llconv.h
new file mode 100644
index 0000000..7b31882
--- /dev/null
+++ b/include/pdp_llconv.h
@@ -0,0 +1,78 @@
+/*
+ *   Pure Data Packet system implementation. : 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.
+ *
+ */
+
+/* this file contains low level conversion code
+   it is a wrapper around some machine code routines padded
+   with some extra c code */
+
+/* don't rely too much on the calling conventions here
+   this is mainly to tuck away "ugly" parts of the code
+   that come up in several places */
+
+
+
+#include "pdp.h"
+
+/* all symbols are C style */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+
+/* raw image formats (RIF) descriptions used for low level conversion routines
+   format: RIF_[component names and order]_[data arganization]_[data type] 
+
+   component names: R(red), G(green), B(blue), Y(chroma), V(chroma red), U(chroma blue)
+   component type: [S/U][nb bits] ex: S16, U8
+   data organization: [P/P[samplefrequency]] ex: P(packed) P411(planar, 2nd and 3rd 2x2 subsampled) 
+
+
+*/
+
+enum RIF {
+	RIF_YVU__P411_U8,
+	RIF_YUV__P411_U8,
+	RIF_YVU__P411_S16,
+	RIF_YVU__P444_S16,
+	RIF_YUYV_P____U8,
+        RIF_RGB__P____U8,
+	RIF_RGBA_P____U8,
+	RIF_RGB__P444_S16,
+	RIF_GREY______S16,
+	RIF_GREY______U8
+	
+};	
+
+/*  pdp_llconv is NOT thread safe !*/
+/* gain = 1.0 means maximal */
+/* low level convert 2 images */
+void pdp_llconv(void *src, int stype, void *dest, int dtype, int w, int h);
+
+
+
+
+
+
+
+#ifdef __cplusplus
+}
+#endif