committed INCOMPLETE 24bit filesource support

git-svn-id: svn://localhost/trunk/ardour2@316 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 42 insertions, 0 deletions

diff --git a/libs/ardour/ardour/pcm_utils.h b/libs/ardour/ardour/pcm_utils.h
new file mode 100644
index 0000000000..6866e53251
--- /dev/null
+++ b/libs/ardour/ardour/pcm_utils.h
@@ -0,0 +1,42 @@
+/*
+    Copyright (C) 2006 Paul Davis , portions Erik de Castro Lopo
+
+    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.
+
+    $Id$
+*/
+
+#ifndef __ardour_pcm_utils_h__
+#define __ardour_pcm_utils_h__
+
+typedef	void	tribyte ;
+
+#define	SIZEOF_TRIBYTE	3
+
+#define BET2H_INT_PTR(x)		(((x) [0] << 24) + ((x) [1] << 16) + ((x) [2] << 8))
+#define LET2H_INT_PTR(x)		(((x) [0] << 8) + ((x) [1] << 16) + ((x) [2] << 24))
+
+
+
+void pcm_let2f_array (tribyte *src, int count, float *dest);
+void pcm_bet2f_array (tribyte *src, int count, float *dest);
+void pcm_f2let_array (float *src, tribyte *dest, int count);
+void pcm_f2let_clip_array (float *src, tribyte *dest, int count);
+void pcm_f2bet_array (const float *src, tribyte *dest, int count);
+void pcm_f2bet_clip_array (const float *src, tribyte *dest, int count);
+
+
+
+#endif