Ticket #507: committed and tested g722 patch on Windows

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@1870 74dad513-b988-da41-8d7b-12977e46ad98

1 files changed, 78 insertions, 0 deletions

diff --git a/pjmedia/src/pjmedia-codec/g722/g722_dec.h b/pjmedia/src/pjmedia-codec/g722/g722_dec.h
new file mode 100644
index 00000000..1494d297
--- /dev/null
+++ b/pjmedia/src/pjmedia-codec/g722/g722_dec.h
@@ -0,0 +1,78 @@
+/* $Id$ */
+/* 
+ * Copyright (C)2003-2008 Benny Prijono <benny@prijono.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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+ */
+/*
+ * Based on implementation found in Carnegie Mellon Speech Group Software
+ * depository (ftp://ftp.cs.cmu.edu/project/fgdata/index.html). No copyright
+ * was claimed in the original source codes.
+ */
+#ifndef __PJMEDIA_CODEC_G722_DEC_H__
+#define __PJMEDIA_CODEC_G722_DEC_H__
+
+#include <pjmedia-codec/types.h>
+
+/* Decoder state */
+typedef struct g722_dec_t {
+    /* PCM low band */
+    int slow;
+    int detlow;
+    int spl;
+    int szl;
+    int rlt  [3];
+    int al   [3];
+    int apl  [3];
+    int plt  [3];
+    int dlt  [7];
+    int bl   [7];
+    int bpl  [7];
+    int sgl  [7];
+    int nbl;
+
+    /* PCM high band*/
+    int shigh;
+    int dethigh;
+    int sph;
+    int szh;
+    int rh   [3];
+    int ah   [3];
+    int aph  [3];
+    int ph   [3];
+    int dh   [7];
+    int bh   [7];
+    int bph  [7];
+    int sgh  [7];
+    int nbh;
+
+    /* QMF signal history */
+    int xd[12];
+    int xs[12];
+} g722_dec_t;
+
+
+PJ_DECL(pj_status_t) g722_dec_init(g722_dec_t *dec);
+
+PJ_DECL(pj_status_t) g722_dec_decode(g722_dec_t *dec, 
+				     void *in, 
+				     pj_size_t in_size,
+				     pj_int16_t out[],
+				     pj_size_t *nsamples);
+
+PJ_DECL(pj_status_t) g722_dec_deinit(g722_dec_t *dec);
+
+#endif /* __PJMEDIA_CODEC_G722_DEC_H__ */
+