1 files changed, 98 insertions, 0 deletions
diff --git a/src/polyp/channelmap.h b/src/polyp/channelmap.h
new file mode 100644
index 00000000..0b9f6e26
--- /dev/null
+++ b/src/polyp/channelmap.h
@@ -0,0 +1,98 @@
+#ifndef foochannelmaphfoo
+#define foochannelmaphfoo
+
+/* $Id$ */
+
+/***
+  This file is part of polypaudio.
+ 
+  polypaudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as published
+  by the Free Software Foundation; either version 2 of the License,
+  or (at your option) any later version.
+ 
+  polypaudio 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 Lesser General Public License
+  along with polypaudio; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
+#include <polyp/sample.h>
+#include <polyp/cdecl.h>
+
+/** \file
+ * Constants and routines for channel mapping handling */
+
+PA_C_DECL_BEGIN
+
+typedef enum {
+    PA_CHANNEL_POSITION_INVALID = -1,
+    PA_CHANNEL_POSITION_MONO = 0,
+
+    PA_CHANNEL_POSITION_LEFT,
+    PA_CHANNEL_POSITION_RIGHT,
+
+    PA_CHANNEL_POSITION_FRONT_CENTER,
+    PA_CHANNEL_POSITION_FRONT_LEFT = PA_CHANNEL_POSITION_LEFT,
+    PA_CHANNEL_POSITION_FRONT_RIGHT = PA_CHANNEL_POSITION_RIGHT,
+
+    PA_CHANNEL_POSITION_REAR_CENTER,
+    PA_CHANNEL_POSITION_REAR_LEFT,
+    PA_CHANNEL_POSITION_REAR_RIGHT,
+    
+    PA_CHANNEL_POSITION_LFE,
+    PA_CHANNEL_POSITION_SUBWOOFER = PA_CHANNEL_POSITION_LFE,
+    
+    PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER,
+    PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER,
+    
+    PA_CHANNEL_POSITION_SIDE_LEFT,
+    PA_CHANNEL_POSITION_SIDE_RIGHT,
+
+    PA_CHANNEL_POSITION_AUX0,
+    PA_CHANNEL_POSITION_AUX1,
+    PA_CHANNEL_POSITION_AUX2,
+    PA_CHANNEL_POSITION_AUX3,
+    PA_CHANNEL_POSITION_AUX4,
+    PA_CHANNEL_POSITION_AUX5,
+    PA_CHANNEL_POSITION_AUX6,
+    PA_CHANNEL_POSITION_AUX7,
+    PA_CHANNEL_POSITION_AUX8,
+    PA_CHANNEL_POSITION_AUX9,
+    PA_CHANNEL_POSITION_AUX10,
+    PA_CHANNEL_POSITION_AUX11,
+    PA_CHANNEL_POSITION_AUX12,
+    PA_CHANNEL_POSITION_AUX13,
+    PA_CHANNEL_POSITION_AUX14,
+    PA_CHANNEL_POSITION_AUX15,
+
+    PA_CHANNEL_POSITION_MAX
+} pa_channel_position_t;
+
+typedef struct pa_channel_map {
+    uint8_t channels;
+    pa_channel_position_t map[PA_CHANNELS_MAX];
+} pa_channel_map;
+
+pa_channel_map* pa_channel_map_init(pa_channel_map *m);
+pa_channel_map* pa_channel_map_init_mono(pa_channel_map *m);
+pa_channel_map* pa_channel_map_init_stereo(pa_channel_map *m);
+pa_channel_map* pa_channel_map_init_auto(pa_channel_map *m, unsigned channels);
+
+const char* pa_channel_position_to_string(pa_channel_position_t pos);
+
+#define PA_CHANNEL_MAP_SNPRINT_MAX 64
+char* pa_channel_map_snprint(char *s, size_t l, const pa_channel_map *map);
+
+int pa_channel_map_equal(const pa_channel_map *a, const pa_channel_map *b);
+
+int pa_channel_map_valid(const pa_channel_map *map);
+
+PA_C_DECL_END
+
+#endif