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-rw-r--r--1.2-netsec/codecs/codec_a_mu.c343
1 files changed, 0 insertions, 343 deletions
diff --git a/1.2-netsec/codecs/codec_a_mu.c b/1.2-netsec/codecs/codec_a_mu.c
deleted file mode 100644
index a3c8cc264..000000000
--- a/1.2-netsec/codecs/codec_a_mu.c
+++ /dev/null
@@ -1,343 +0,0 @@
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 1999 - 2005, Digium, Inc.
- *
- * Mark Spencer <markster@digium.com>
- *
- * See http://www.asterisk.org for more information about
- * the Asterisk project. Please do not directly contact
- * any of the maintainers of this project for assistance;
- * the project provides a web site, mailing lists and IRC
- * channels for your use.
- *
- * This program is free software, distributed under the terms of
- * the GNU General Public License Version 2. See the LICENSE file
- * at the top of the source tree.
- */
-
-/*! \file
- *
- * \brief codec_a_mu.c - translate between alaw and ulaw directly
- *
- * \ingroup codecs
- */
-
-#include <fcntl.h>
-#include <netinet/in.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
-#include "asterisk/lock.h"
-#include "asterisk/logger.h"
-#include "asterisk/module.h"
-#include "asterisk/translate.h"
-#include "asterisk/channel.h"
-#include "asterisk/alaw.h"
-#include "asterisk/ulaw.h"
-
-#define BUFFER_SIZE 8096 /* size for the translation buffers */
-
-AST_MUTEX_DEFINE_STATIC(localuser_lock);
-static int localusecnt = 0;
-
-static char *tdesc = "A-law and Mulaw direct Coder/Decoder";
-
-static unsigned char mu2a[256];
-static unsigned char a2mu[256];
-
-/* Sample frame data (Mu data is okay) */
-
-#include "ulaw_slin_ex.h"
-
-/*
- * Private workspace for translating signed linear signals to alaw.
- */
-
-struct alaw_encoder_pvt
-{
- struct ast_frame f;
- char offset[AST_FRIENDLY_OFFSET]; /* Space to build offset */
- unsigned char outbuf[BUFFER_SIZE]; /* Encoded alaw, two nibbles to a word */
- int tail;
-};
-
-/*
- * Private workspace for translating laws.
- */
-
-struct ulaw_encoder_pvt
-{
- struct ast_frame f;
- char offset[AST_FRIENDLY_OFFSET]; /* Space to build offset */
- unsigned char outbuf[BUFFER_SIZE]; /* Encoded ulaw values */
- int tail;
-};
-
-static struct ast_translator_pvt *
-alawtoulaw_new (void)
-{
- struct ulaw_encoder_pvt *tmp;
- tmp = malloc (sizeof (struct ulaw_encoder_pvt));
- if (tmp)
- {
- memset(tmp, 0, sizeof(*tmp));
- tmp->tail = 0;
- localusecnt++;
- ast_update_use_count ();
- }
- return (struct ast_translator_pvt *) tmp;
-}
-
-static struct ast_translator_pvt *
-ulawtoalaw_new (void)
-{
- struct alaw_encoder_pvt *tmp;
- tmp = malloc (sizeof (struct alaw_encoder_pvt));
- if (tmp)
- {
- memset(tmp, 0, sizeof(*tmp));
- localusecnt++;
- ast_update_use_count ();
- tmp->tail = 0;
- }
- return (struct ast_translator_pvt *) tmp;
-}
-
-static int
-alawtoulaw_framein (struct ast_translator_pvt *pvt, struct ast_frame *f)
-{
- struct ulaw_encoder_pvt *tmp = (struct ulaw_encoder_pvt *) pvt;
- int x;
- unsigned char *b;
-
- if ((tmp->tail + f->datalen)> sizeof(tmp->outbuf)) {
- ast_log(LOG_WARNING, "Out of buffer space\n");
- return -1;
- }
-
- /* Reset ssindex and signal to frame's specified values */
- b = f->data;
- for (x=0;x<f->datalen;x++)
- tmp->outbuf[tmp->tail + x] = a2mu[b[x]];
-
- tmp->tail += f->datalen;
- return 0;
-}
-
-static struct ast_frame *
-alawtoulaw_frameout (struct ast_translator_pvt *pvt)
-{
- struct ulaw_encoder_pvt *tmp = (struct ulaw_encoder_pvt *) pvt;
-
- if (!tmp->tail)
- return NULL;
-
- tmp->f.frametype = AST_FRAME_VOICE;
- tmp->f.subclass = AST_FORMAT_ULAW;
- tmp->f.datalen = tmp->tail;
- tmp->f.samples = tmp->tail;
- tmp->f.mallocd = 0;
- tmp->f.offset = AST_FRIENDLY_OFFSET;
- tmp->f.src = __PRETTY_FUNCTION__;
- tmp->f.data = tmp->outbuf;
- tmp->tail = 0;
- return &tmp->f;
-}
-
-static int
-ulawtoalaw_framein (struct ast_translator_pvt *pvt, struct ast_frame *f)
-{
- struct alaw_encoder_pvt *tmp = (struct alaw_encoder_pvt *) pvt;
- int x;
- unsigned char *s;
- if (tmp->tail + f->datalen >= sizeof(tmp->outbuf))
- {
- ast_log (LOG_WARNING, "Out of buffer space\n");
- return -1;
- }
- s = f->data;
- for (x=0;x<f->datalen;x++)
- tmp->outbuf[x+tmp->tail] = mu2a[s[x]];
- tmp->tail += f->datalen;
- return 0;
-}
-
-/*
- * LinToalaw_FrameOut
- * Convert a buffer of raw 16-bit signed linear PCM to a buffer
- * of 4-bit alaw packed two to a byte (Big Endian).
- *
- * Results:
- * Foo
- *
- * Side effects:
- * Leftover inbuf data gets packed, tail gets updated.
- */
-
-static struct ast_frame *
-ulawtoalaw_frameout (struct ast_translator_pvt *pvt)
-{
- struct alaw_encoder_pvt *tmp = (struct alaw_encoder_pvt *) pvt;
-
- if (tmp->tail) {
- tmp->f.frametype = AST_FRAME_VOICE;
- tmp->f.subclass = AST_FORMAT_ALAW;
- tmp->f.samples = tmp->tail;
- tmp->f.mallocd = 0;
- tmp->f.offset = AST_FRIENDLY_OFFSET;
- tmp->f.src = __PRETTY_FUNCTION__;
- tmp->f.data = tmp->outbuf;
- tmp->f.datalen = tmp->tail;
- tmp->tail = 0;
- return &tmp->f;
- } else return NULL;
-}
-
-
-/*
- * alawToLin_Sample
- */
-
-static struct ast_frame *
-alawtoulaw_sample (void)
-{
- static struct ast_frame f;
- f.frametype = AST_FRAME_VOICE;
- f.subclass = AST_FORMAT_ALAW;
- f.datalen = sizeof (ulaw_slin_ex);
- f.samples = sizeof(ulaw_slin_ex);
- f.mallocd = 0;
- f.offset = 0;
- f.src = __PRETTY_FUNCTION__;
- f.data = ulaw_slin_ex;
- return &f;
-}
-
-static struct ast_frame *
-ulawtoalaw_sample (void)
-{
- static struct ast_frame f;
- f.frametype = AST_FRAME_VOICE;
- f.subclass = AST_FORMAT_ULAW;
- f.datalen = sizeof (ulaw_slin_ex);
- f.samples = sizeof(ulaw_slin_ex);
- f.mallocd = 0;
- f.offset = 0;
- f.src = __PRETTY_FUNCTION__;
- f.data = ulaw_slin_ex;
- return &f;
-}
-
-
-/*
- * alaw_Destroy
- * Destroys a private workspace.
- *
- * Results:
- * It's gone!
- *
- * Side effects:
- * None.
- */
-
-static void
-alaw_destroy (struct ast_translator_pvt *pvt)
-{
- free (pvt);
- localusecnt--;
- ast_update_use_count ();
-}
-
-/*
- * The complete translator for alawToLin.
- */
-
-static struct ast_translator alawtoulaw = {
- "alawtoulaw",
- AST_FORMAT_ALAW,
- AST_FORMAT_ULAW,
- alawtoulaw_new,
- alawtoulaw_framein,
- alawtoulaw_frameout,
- alaw_destroy,
- /* NULL */
- alawtoulaw_sample
-};
-
-/*
- * The complete translator for LinToalaw.
- */
-
-static struct ast_translator ulawtoalaw = {
- "ulawtoalaw",
- AST_FORMAT_ULAW,
- AST_FORMAT_ALAW,
- ulawtoalaw_new,
- ulawtoalaw_framein,
- ulawtoalaw_frameout,
- alaw_destroy,
- /* NULL */
- ulawtoalaw_sample
-};
-
-int
-unload_module (void)
-{
- int res;
- ast_mutex_lock (&localuser_lock);
- res = ast_unregister_translator (&ulawtoalaw);
- if (!res)
- res = ast_unregister_translator (&alawtoulaw);
- if (localusecnt)
- res = -1;
- ast_mutex_unlock (&localuser_lock);
- return res;
-}
-
-int
-load_module (void)
-{
- int res;
- int x;
- for (x=0;x<256;x++) {
- mu2a[x] = AST_LIN2A(AST_MULAW(x));
- a2mu[x] = AST_LIN2MU(AST_ALAW(x));
- }
- res = ast_register_translator (&alawtoulaw);
- if (!res)
- res = ast_register_translator (&ulawtoalaw);
- else
- ast_unregister_translator (&alawtoulaw);
- return res;
-}
-
-/*
- * Return a description of this module.
- */
-
-char *
-description (void)
-{
- return tdesc;
-}
-
-int
-usecount (void)
-{
- int res;
- STANDARD_USECOUNT (res);
- return res;
-}
-
-char *
-key ()
-{
- return ASTERISK_GPL_KEY;
-}
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