1 files changed, 314 insertions, 0 deletions
diff --git a/net/asterisk-bristuff/files/patch-codecs::codec_g723_1_dummy.c b/net/asterisk-bristuff/files/patch-codecs::codec_g723_1_dummy.c
new file mode 100644
index 000000000000..661ff2d88602
--- /dev/null
+++ b/net/asterisk-bristuff/files/patch-codecs::codec_g723_1_dummy.c
@@ -0,0 +1,314 @@
+
+$FreeBSD$
+
+--- /dev/null	Fri Jan 30 01:52:11 2004
++++ codecs/codec_g723_1_dummy.c	Fri Jan 30 01:57:59 2004
+@@ -0,0 +1,308 @@
++/*
++ * Asterisk -- A telephony toolkit for Linux.
++ *
++ * Translate between signed linear and G.723.1 (dummy!)
++ *
++ * The G.723.1 code is not included in the Asterisk distribution because
++ * it is covered with patents, and in spite of statements to the contrary,
++ * the "technology" is extremely expensive to license.
++ * 
++ * Copyright (C) 1999, Mark Spencer
++ *
++ * Mark Spencer <markster@linux-support.net>
++ *
++ * This program is free software, distributed under the terms of
++ * the GNU General Public License
++ */
++
++#define TYPE_HIGH	 0x0
++#define TYPE_LOW	 0x1
++#define TYPE_SILENCE	 0x2
++#define TYPE_DONTSEND	 0x3
++#define TYPE_MASK	 0x3
++
++#include <sys/types.h>
++#include <asterisk/translate.h>
++#include <asterisk/module.h>
++#include <asterisk/logger.h>
++#include <asterisk/channel.h>
++#include <pthread.h>
++#include <fcntl.h>
++#include <stdlib.h>
++#include <unistd.h>
++#include <netinet/in.h>
++#include <string.h>
++#include <stdio.h>
++
++/* Sample frame data */
++#include "slin_g723_ex.h"
++#include "g723_slin_ex.h"
++
++static ast_mutex_t localuser_lock = AST_MUTEX_INITIALIZER;
++static int localusecnt=0;
++
++static char *tdesc = "Dummy G.723.1/PCM16 Codec Translator";
++
++struct g723_encoder_pvt {
++	struct ast_frame f;
++	/* Space to build offset */
++	char offset[AST_FRIENDLY_OFFSET];
++	/* Buffer for our outgoing frame */
++	char outbuf[8000];
++	/* Enough to store a full second */
++	short buf[8000];
++	int tail;
++};
++
++struct g723_decoder_pvt {
++	struct ast_frame f;
++	/* Space to build offset */
++	char offset[AST_FRIENDLY_OFFSET];
++	/* Enough to store a full second */
++	short buf[8000];
++	int tail;
++};
++
++static struct ast_translator_pvt *g723tolin_new()
++{
++	struct g723_decoder_pvt *tmp;
++	tmp = malloc(sizeof(struct g723_decoder_pvt));
++	if (tmp) {
++		tmp->tail = 0;
++		localusecnt++;
++		ast_update_use_count();
++	}
++	return (struct ast_translator_pvt *)tmp;
++}
++
++static struct ast_frame *lintog723_sample()
++{
++	static struct ast_frame f;
++	f.frametype = AST_FRAME_VOICE;
++	f.subclass = AST_FORMAT_SLINEAR;
++	f.datalen = sizeof(slin_g723_ex);
++	/* Assume 8000 Hz */
++	f.samples = sizeof(slin_g723_ex)/16;
++	f.mallocd = 0;
++	f.offset = 0;
++	f.src = __PRETTY_FUNCTION__;
++	f.data = slin_g723_ex;
++	return &f;
++}
++
++static struct ast_frame *g723tolin_sample()
++{
++	static struct ast_frame f;
++	f.frametype = AST_FRAME_VOICE;
++	f.subclass = AST_FORMAT_G723_1;
++	f.datalen = sizeof(g723_slin_ex);
++	/* All frames are 30 ms long */
++	f.samples = 30;
++	f.mallocd = 0;
++	f.offset = 0;
++	f.src = __PRETTY_FUNCTION__;
++	f.data = g723_slin_ex;
++	return &f;
++}
++
++static struct ast_translator_pvt *lintog723_new()
++{
++	struct g723_encoder_pvt *tmp;
++	tmp = malloc(sizeof(struct g723_encoder_pvt));
++	if (tmp) {
++		localusecnt++;
++		ast_update_use_count();
++		tmp->tail = 0;
++	}
++	return (struct ast_translator_pvt *)tmp;
++}
++
++static struct ast_frame *g723tolin_frameout(struct ast_translator_pvt *pvt)
++{
++	struct g723_decoder_pvt *tmp = (struct g723_decoder_pvt *)pvt;
++	if (!tmp->tail)
++		return NULL;
++	/* Signed linear is no particular frame size, so just send whatever
++	   we have in the buffer in one lump sum */
++	tmp->f.frametype = AST_FRAME_VOICE;
++	tmp->f.subclass = AST_FORMAT_SLINEAR;
++	tmp->f.datalen = tmp->tail * 2;
++	/* Assume 8000 Hz */
++	tmp->f.samples = tmp->tail / 8;
++	tmp->f.mallocd = 0;
++	tmp->f.offset = AST_FRIENDLY_OFFSET;
++	tmp->f.src = __PRETTY_FUNCTION__;
++	tmp->f.data = tmp->buf;
++	/* Reset tail pointer */
++	tmp->tail = 0;
++
++	return &tmp->f;	
++}
++
++static int g723_len(unsigned char buf)
++{
++	switch(buf & TYPE_MASK) {
++	case TYPE_DONTSEND:
++		return 2;
++		break;
++	case TYPE_SILENCE:
++		return 4;
++		break;
++	case TYPE_HIGH:
++		return 24;
++		break;
++	case TYPE_LOW:
++		return 20;
++		break;
++	default:
++		ast_log(LOG_WARNING, "Badly encoded frame (%d)\n", buf & TYPE_MASK);
++	}
++	return -1;
++}
++
++static int g723tolin_framein(struct ast_translator_pvt *pvt, struct ast_frame *f)
++{
++	struct g723_decoder_pvt *tmp = (struct g723_decoder_pvt *)pvt;
++	int len = 0;
++	int res;
++	while(len < f->datalen) {
++		/* Assuming there's space left, decode into the current buffer at
++		   the tail location */
++		res = g723_len(((unsigned char *)f->data + len)[0]);
++		if (res < 0) {
++			ast_log(LOG_WARNING, "Invalid data\n");
++			return -1;
++		}
++		if (res + len > f->datalen) {
++			ast_log(LOG_WARNING, "Measured length exceeds frame length\n");
++			return -1;
++		}
++		if (tmp->tail + 480 < sizeof(tmp->buf)/2) {	
++			memset(tmp->buf + tmp->tail, 0, 480);
++			tmp->tail+=480;
++		} else {
++			ast_log(LOG_WARNING, "Out of buffer space\n");
++			return -1;
++		}
++		len += res;
++	}
++	return 0;
++}
++
++static int lintog723_framein(struct ast_translator_pvt *pvt, struct ast_frame *f)
++{
++	/* Just add the frames to our stream */
++	/* XXX We should look at how old the rest of our stream is, and if it
++	   is too old, then we should overwrite it entirely, otherwise we can
++	   get artifacts of earlier talk that do not belong */
++	struct g723_encoder_pvt *tmp = (struct g723_encoder_pvt *)pvt;
++	if (tmp->tail + f->datalen/2 < sizeof(tmp->buf) / 2) {
++		memcpy(&tmp->buf[tmp->tail], f->data, f->datalen);
++		tmp->tail += f->datalen/2;
++	} else {
++		ast_log(LOG_WARNING, "Out of buffer space\n");
++		return -1;
++	}
++	return 0;
++}
++
++static struct ast_frame *lintog723_frameout(struct ast_translator_pvt *pvt)
++{
++	struct g723_encoder_pvt *tmp = (struct g723_encoder_pvt *)pvt;
++	int cnt=0;
++	/* We can't work on anything less than a frame in size */
++	if (tmp->tail < 480)
++		return NULL;
++	tmp->f.frametype = AST_FRAME_VOICE;
++	tmp->f.subclass = AST_FORMAT_G723_1;
++	tmp->f.offset = AST_FRIENDLY_OFFSET;
++	tmp->f.src = __PRETTY_FUNCTION__;
++	tmp->f.samples = 0;
++	tmp->f.mallocd = 0;
++	while(tmp->tail >= 480) {
++		/* Encode a frame of data */
++		if (cnt + 24 >= sizeof(tmp->outbuf)) {
++			ast_log(LOG_WARNING, "Out of buffer space\n");
++			return NULL;
++		}
++		memset(tmp->outbuf + cnt, 0, 24);
++		/* Assume 8000 Hz */
++		tmp->f.samples += 30;
++		cnt += 24;
++		tmp->tail -= 480;
++		/* Move the data at the end of the buffer to the front */
++		if (tmp->tail)
++			memmove(tmp->buf, tmp->buf + 480, tmp->tail * 2);
++	}
++	tmp->f.datalen = cnt;
++	tmp->f.data = tmp->outbuf;
++	return &tmp->f;	
++}
++
++static void g723_destroy(struct ast_translator_pvt *pvt)
++{
++	free(pvt);
++	localusecnt--;
++	ast_update_use_count();
++}
++
++static struct ast_translator g723tolin =
++	{ "g723tolin_dummy", 
++	   AST_FORMAT_G723_1, AST_FORMAT_SLINEAR,
++	   g723tolin_new,
++	   g723tolin_framein,
++	   g723tolin_frameout,
++	   g723_destroy,
++	   g723tolin_sample
++	   };
++
++static struct ast_translator lintog723 =
++	{ "lintog723_dummy", 
++	   AST_FORMAT_SLINEAR, AST_FORMAT_G723_1,
++	   lintog723_new,
++	   lintog723_framein,
++	   lintog723_frameout,
++	   g723_destroy,
++	   lintog723_sample
++	   };
++
++int unload_module(void)
++{
++	int res;
++	ast_mutex_lock(&localuser_lock);
++	res = ast_unregister_translator(&lintog723);
++	if (!res)
++		res = ast_unregister_translator(&g723tolin);
++	if (localusecnt)
++		res = -1;
++	ast_mutex_unlock(&localuser_lock);
++	return res;
++}
++
++int load_module(void)
++{
++	int res;
++	res=ast_register_translator(&g723tolin);
++	if (!res) 
++		res=ast_register_translator(&lintog723);
++	else
++		ast_unregister_translator(&g723tolin);
++	return res;
++}
++
++char *description(void)
++{
++	return tdesc;
++}
++
++int usecount(void)
++{
++	int res;
++	STANDARD_USECOUNT(res);
++	return res;
++}
++
++char *key()
++{
++	return ASTERISK_GPL_KEY;
++}