transfer from internal tree r5311 branches/1.4-gpl

[xonotic/netradiant.git] / tools / quake2 / qdata_heretic2 / adpcm.h

diff --git a/tools/quake2/qdata_heretic2/adpcm.h b/tools/quake2/qdata_heretic2/adpcm.h
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+/*\r
+Copyright (C) 1999-2007 id Software, Inc. and contributors.\r
+For a list of contributors, see the accompanying CONTRIBUTORS file.\r
+\r
+This file is part of GtkRadiant.\r
+\r
+GtkRadiant is free software; you can redistribute it and/or modify\r
+it under the terms of the GNU General Public License as published by\r
+the Free Software Foundation; either version 2 of the License, or\r
+(at your option) any later version.\r
+\r
+GtkRadiant is distributed in the hope that it will be useful,\r
+but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
+GNU General Public License for more details.\r
+\r
+You should have received a copy of the GNU General Public License\r
+along with GtkRadiant; if not, write to the Free Software\r
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA\r
+*/\r
+\r
+/*\r
+** adpcm.h - include file for adpcm coder.\r
+**\r
+** Version 1.0, 7-Jul-92.\r
+** \r
+** Modded 10/3/98\r
+** John Scott\r
+*/\r
+\r
+typedef struct adpcm_state_s\r
+{\r
+    short      in_valprev;                     // Previous output value\r
+    short      in_index;                       // Index into stepsize table\r
+    short      out_valprev;            // Previous output value\r
+    short      out_index;                      // Index into stepsize table\r
+       int             count;                          // Number of sample counts\r
+}      adpcm_state_t;\r
+\r
+typedef struct adpcm_s\r
+{\r
+       adpcm_state_t   state;\r
+       char                    adpcm[0x10000];                 \r
+}      adpcm_t;\r
+\r
+void adpcm_coder(short [], adpcm_t *);\r
+void adpcm_decoder(adpcm_t *, short []);\r
+\r
+// end\r