1 files changed, 0 insertions, 352 deletions
diff --git a/1.2-netsec/formats/format_pcm_alaw.c b/1.2-netsec/formats/format_pcm_alaw.c
deleted file mode 100644
index 13d7c174a..000000000
--- a/1.2-netsec/formats/format_pcm_alaw.c
+++ /dev/null
@@ -1,352 +0,0 @@
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 1999 - 2006, 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 Flat, binary, alaw PCM file format.
- * \arg File name extensions: alaw, al
- * \ingroup formats
- */
- 
-#include <unistd.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <stdlib.h>
-#include <sys/time.h>
-#include <sys/times.h>
-#include <sys/types.h>
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
-#include "asterisk/lock.h"
-#include "asterisk/channel.h"
-#include "asterisk/file.h"
-#include "asterisk/logger.h"
-#include "asterisk/sched.h"
-#include "asterisk/module.h"
-#include "asterisk/endian.h"
-#include "asterisk/alaw.h"
-
-#define BUF_SIZE 160		/* 160 samples */
-
-/* #define REALTIME_WRITE */
-
-struct ast_filestream {
-	void *reserved[AST_RESERVED_POINTERS];
-	/* Believe it or not, we must decode/recode to account for the
-	   weird MS format */
-	/* This is what a filestream means to us */
-	FILE *f; /* Descriptor */
-	struct ast_frame fr;				/* Frame information */
-	char waste[AST_FRIENDLY_OFFSET];	/* Buffer for sending frames, etc */
-	char empty;							/* Empty character */
-	unsigned char buf[BUF_SIZE];				/* Output Buffer */
-#ifdef REALTIME_WRITE
-	unsigned long start_time;
-#endif
-};
-
-
-AST_MUTEX_DEFINE_STATIC(pcm_lock);
-static int glistcnt = 0;
-
-static char *name = "alaw";
-static char *desc = "Raw aLaw 8khz PCM Audio support";
-static char *exts = "alaw|al";
-
-static char alaw_silence[BUF_SIZE];
-
-
-#if 0
-/* Returns time in msec since system boot. */
-static unsigned long get_time(void)
-{
-	struct tms buf;
-	clock_t cur;
-
-	cur = times( &buf );
-	if( cur < 0 )
-	{
-		ast_log( LOG_WARNING, "Cannot get current time\n" );
-		return 0;
-	}
-	return cur * 1000 / sysconf( _SC_CLK_TCK );
-}
-#endif
-
-static struct ast_filestream *pcm_open(FILE *f)
-{
-	/* We don't have any header to read or anything really, but
-	   if we did, it would go here.  We also might want to check
-	   and be sure it's a valid file.  */
-	struct ast_filestream *tmp;
-	if ((tmp = malloc(sizeof(struct ast_filestream)))) {
-		memset(tmp, 0, sizeof(struct ast_filestream));
-		if (ast_mutex_lock(&pcm_lock)) {
-			ast_log(LOG_WARNING, "Unable to lock pcm list\n");
-			free(tmp);
-			return NULL;
-		}
-		tmp->f = f;
-		tmp->fr.data = tmp->buf;
-		tmp->fr.frametype = AST_FRAME_VOICE;
-		tmp->fr.subclass = AST_FORMAT_ALAW;
-		/* datalen will vary for each frame */
-		tmp->fr.src = name;
-		tmp->fr.mallocd = 0;
-#ifdef REALTIME_WRITE
-		tmp->start_time = get_time();
-#endif
-		glistcnt++;
-		ast_mutex_unlock(&pcm_lock);
-		ast_update_use_count();
-	}
-	return tmp;
-}
-
-static struct ast_filestream *pcm_rewrite(FILE *f, const char *comment)
-{
-	/* We don't have any header to read or anything really, but
-	   if we did, it would go here.  We also might want to check
-	   and be sure it's a valid file.  */
-	struct ast_filestream *tmp;
-	if ((tmp = malloc(sizeof(struct ast_filestream)))) {
-		memset(tmp, 0, sizeof(struct ast_filestream));
-		if (ast_mutex_lock(&pcm_lock)) {
-			ast_log(LOG_WARNING, "Unable to lock pcm list\n");
-			free(tmp);
-			return NULL;
-		}
-		tmp->f = f;
-#ifdef REALTIME_WRITE
-		tmp->start_time = get_time();
-#endif
-		glistcnt++;
-		ast_mutex_unlock(&pcm_lock);
-		ast_update_use_count();
-	} else
-		ast_log(LOG_WARNING, "Out of memory\n");
-	return tmp;
-}
-
-static void pcm_close(struct ast_filestream *s)
-{
-	if (ast_mutex_lock(&pcm_lock)) {
-		ast_log(LOG_WARNING, "Unable to lock pcm list\n");
-		return;
-	}
-	glistcnt--;
-	ast_mutex_unlock(&pcm_lock);
-	ast_update_use_count();
-	fclose(s->f);
-	free(s);
-	s = NULL;
-}
-
-static struct ast_frame *pcm_read(struct ast_filestream *s, int *whennext)
-{
-	int res;
-	/* Send a frame from the file to the appropriate channel */
-
-	s->fr.frametype = AST_FRAME_VOICE;
-	s->fr.subclass = AST_FORMAT_ALAW;
-	s->fr.offset = AST_FRIENDLY_OFFSET;
-	s->fr.mallocd = 0;
-	s->fr.data = s->buf;
-	if ((res = fread(s->buf, 1, BUF_SIZE, s->f)) < 1) {
-		if (res)
-			ast_log(LOG_WARNING, "Short read (%d) (%s)!\n", res, strerror(errno));
-		return NULL;
-	}
-	s->fr.samples = res;
-	s->fr.datalen = res;
-	*whennext = s->fr.samples;
-	return &s->fr;
-}
-
-static int pcm_write(struct ast_filestream *fs, struct ast_frame *f)
-{
-	int res;
-#ifdef REALTIME_WRITE
-	unsigned long cur_time;
-	unsigned long fpos;
-	struct stat stat_buf;
-#endif
-
-	if (f->frametype != AST_FRAME_VOICE) {
-		ast_log(LOG_WARNING, "Asked to write non-voice frame!\n");
-		return -1;
-	}
-	if (f->subclass != AST_FORMAT_ALAW) {
-		ast_log(LOG_WARNING, "Asked to write non-alaw frame (%d)!\n", f->subclass);
-		return -1;
-	}
-
-#ifdef REALTIME_WRITE
-	cur_time = get_time();
-	fpos = ( cur_time - fs->start_time ) * 8;	/* 8 bytes per msec */
-	/* Check if we have written to this position yet. If we have, then increment pos by one frame
-	*  for some degree of protection against receiving packets in the same clock tick.
-	*/
-	
-	fstat(fileno(fs->f), &stat_buf );
-	if (stat_buf.st_size > fpos ) {
-		fpos += f->datalen;	/* Incrementing with the size of this current frame */
-	}
-
-	if (stat_buf.st_size < fpos) {
-		/* fill the gap with 0x55 rather than 0. */
-		char buf[ 512 ];
-		unsigned long cur, to_write;
-
-		cur = stat_buf.st_size;
-		if (fseek(fs->f, cur, SEEK_SET) < 0) {
-			ast_log( LOG_WARNING, "Cannot seek in file: %s\n", strerror(errno) );
-			return -1;
-		}
-		memset(buf, 0x55, 512);
-		while (cur < fpos) {
-			to_write = fpos - cur;
-			if (to_write > 512) {
-				to_write = 512;
-			}
-			fwrite(buf, 1, to_write, fs->f);
-			cur += to_write;
-		}
-	}
-
-
-	if (fseek(s->f, fpos, SEEK_SET) < 0) {
-		ast_log( LOG_WARNING, "Cannot seek in file: %s\n", strerror(errno) );
-		return -1;
-	}
-#endif	/* REALTIME_WRITE */
-	
-	if ((res = fwrite(f->data, 1, f->datalen, fs->f)) != f->datalen) {
-			ast_log(LOG_WARNING, "Bad write (%d/%d): %s\n", res, f->datalen, strerror(errno));
-			return -1;
-	}
-	return 0;
-}
-
-static int pcm_seek(struct ast_filestream *fs, long sample_offset, int whence)
-{
-	long cur, max, offset = 0;
-
-	cur = ftell(fs->f);
-	fseek(fs->f, 0, SEEK_END);
-	max = ftell(fs->f);
-
-	switch (whence) {
-	case SEEK_SET:
-		offset = sample_offset;
-		break;
-	case SEEK_END:
-		offset = max - sample_offset;
-		break;
-	case SEEK_CUR:
-	case SEEK_FORCECUR:
-		offset = cur + sample_offset;
-		break;
-	}
-
-	switch (whence) {
-	case SEEK_FORCECUR:
-		if (offset > max) {
-			size_t left = offset - max;
-			size_t res;
-
-			while (left) {
-				res = fwrite(alaw_silence, sizeof(alaw_silence[0]),
-					     (left > BUF_SIZE) ? BUF_SIZE : left, fs->f);
-				if (res == -1)
-					return res;
-				left -= res * sizeof(alaw_silence[0]);
-			}
-			return offset;
-		}
-		/* fall through */
-	default:
-		offset = (offset > max) ? max : offset;
-		offset = (offset < 0) ? 0 : offset;
-		return fseek(fs->f, offset, SEEK_SET);
-	}
-}
-
-static int pcm_trunc(struct ast_filestream *fs)
-{
-	return ftruncate(fileno(fs->f), ftell(fs->f));
-}
-
-static long pcm_tell(struct ast_filestream *fs)
-{
-	off_t offset;
-	offset = ftell(fs->f);
-	return offset;
-}
-
-
-static char *pcm_getcomment(struct ast_filestream *s)
-{
-	return NULL;
-}
-
-int load_module()
-{
-	int index;
-
-	for (index = 0; index < (sizeof(alaw_silence) / sizeof(alaw_silence[0])); index++)
-		alaw_silence[index] = AST_LIN2A(0);
-
-	return ast_format_register(name, exts, AST_FORMAT_ALAW,
-				   pcm_open,
-				   pcm_rewrite,
-				   pcm_write,
-				   pcm_seek,
-				   pcm_trunc,
-				   pcm_tell,
-				   pcm_read,
-				   pcm_close,
-				   pcm_getcomment);
-}
-
-int unload_module()
-{
-	return ast_format_unregister(name);
-}	
-
-int usecount()
-{
-	return glistcnt;
-}
-
-char *description()
-{
-	return desc;
-}
-
-
-char *key()
-{
-	return ASTERISK_GPL_KEY;
-}