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-rw-r--r--1.2-netsec/formats/format_sln.c247
1 files changed, 0 insertions, 247 deletions
diff --git a/1.2-netsec/formats/format_sln.c b/1.2-netsec/formats/format_sln.c
deleted file mode 100644
index d155b09a2..000000000
--- a/1.2-netsec/formats/format_sln.c
+++ /dev/null
@@ -1,247 +0,0 @@
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 1999 - 2005, Anthony Minessale
- * Anthony Minessale (anthmct@yahoo.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 RAW SLINEAR Format
- * \arg File name extensions: sln, raw
- * \ingroup formats
- */
-
-#include <unistd.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <stdlib.h>
-#include <sys/time.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"
-
-#define BUF_SIZE 320 /* 320 samples */
-
-struct ast_filestream {
- void *reserved[AST_RESERVED_POINTERS];
- /* This is what a filestream means to us */
- FILE *f; /* Descriptor */
- struct ast_channel *owner;
- 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 */
- struct timeval last;
-};
-
-
-AST_MUTEX_DEFINE_STATIC(slinear_lock);
-static int glistcnt = 0;
-
-static char *name = "sln";
-static char *desc = "Raw Signed Linear Audio support (SLN)";
-static char *exts = "sln|raw";
-
-static struct ast_filestream *slinear_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(&slinear_lock)) {
- ast_log(LOG_WARNING, "Unable to lock slinear 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_SLINEAR;
- /* datalen will vary for each frame */
- tmp->fr.src = name;
- tmp->fr.mallocd = 0;
- glistcnt++;
- ast_mutex_unlock(&slinear_lock);
- ast_update_use_count();
- }
- return tmp;
-}
-
-static struct ast_filestream *slinear_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(&slinear_lock)) {
- ast_log(LOG_WARNING, "Unable to lock slinear list\n");
- free(tmp);
- return NULL;
- }
- tmp->f = f;
- glistcnt++;
- ast_mutex_unlock(&slinear_lock);
- ast_update_use_count();
- } else
- ast_log(LOG_WARNING, "Out of memory\n");
- return tmp;
-}
-
-static void slinear_close(struct ast_filestream *s)
-{
- if (ast_mutex_lock(&slinear_lock)) {
- ast_log(LOG_WARNING, "Unable to lock slinear list\n");
- return;
- }
- glistcnt--;
- ast_mutex_unlock(&slinear_lock);
- ast_update_use_count();
- fclose(s->f);
- free(s);
- s = NULL;
-}
-
-static struct ast_frame *slinear_read(struct ast_filestream *s, int *whennext)
-{
- int res;
- int delay;
- /* Send a frame from the file to the appropriate channel */
-
- s->fr.frametype = AST_FRAME_VOICE;
- s->fr.subclass = AST_FORMAT_SLINEAR;
- 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/2;
- s->fr.datalen = res;
- delay = s->fr.samples;
- *whennext = delay;
- return &s->fr;
-}
-
-static int slinear_write(struct ast_filestream *fs, struct ast_frame *f)
-{
- int res;
- if (f->frametype != AST_FRAME_VOICE) {
- ast_log(LOG_WARNING, "Asked to write non-voice frame!\n");
- return -1;
- }
- if (f->subclass != AST_FORMAT_SLINEAR) {
- ast_log(LOG_WARNING, "Asked to write non-slinear frame (%d)!\n", f->subclass);
- return -1;
- }
- 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 slinear_seek(struct ast_filestream *fs, long sample_offset, int whence)
-{
- off_t offset=0,min,cur,max;
-
- min = 0;
- sample_offset <<= 1;
- cur = ftell(fs->f);
- fseek(fs->f, 0, SEEK_END);
- max = ftell(fs->f);
- if (whence == SEEK_SET)
- offset = sample_offset;
- else if (whence == SEEK_CUR || whence == SEEK_FORCECUR)
- offset = sample_offset + cur;
- else if (whence == SEEK_END)
- offset = max - sample_offset;
- if (whence != SEEK_FORCECUR) {
- offset = (offset > max)?max:offset;
- }
- /* always protect against seeking past begining. */
- offset = (offset < min)?min:offset;
- return fseek(fs->f, offset, SEEK_SET);
-}
-
-static int slinear_trunc(struct ast_filestream *fs)
-{
- return ftruncate(fileno(fs->f), ftell(fs->f));
-}
-
-static long slinear_tell(struct ast_filestream *fs)
-{
- off_t offset;
- offset = ftell(fs->f);
- return offset / 2;
-}
-
-static char *slinear_getcomment(struct ast_filestream *s)
-{
- return NULL;
-}
-
-int load_module()
-{
- return ast_format_register(name, exts, AST_FORMAT_SLINEAR,
- slinear_open,
- slinear_rewrite,
- slinear_write,
- slinear_seek,
- slinear_trunc,
- slinear_tell,
- slinear_read,
- slinear_close,
- slinear_getcomment);
-
-
-}
-
-int unload_module()
-{
- return ast_format_unregister(name);
-}
-
-int usecount()
-{
- return glistcnt;
-}
-
-char *description()
-{
- return desc;
-}
-
-
-char *key()
-{
- return ASTERISK_GPL_KEY;
-}