git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@431055 65c4cc65-6c06-0410-ace0-fbb531ad65f3
108 lines
2.9 KiB
C
108 lines
2.9 KiB
C
/*
|
|
* Asterisk -- An open source telephony toolkit.
|
|
*
|
|
* Copyright (C) 2013 Digium, Inc.
|
|
*
|
|
* Richard Mudgett <rmudgett@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 ConfBridge recorder channel driver
|
|
*
|
|
* \author Richard Mudgett <rmudgett@digium.com>
|
|
*
|
|
* See Also:
|
|
* \arg \ref AstCREDITS
|
|
*/
|
|
|
|
|
|
#include "asterisk.h"
|
|
|
|
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
|
|
|
|
#include "asterisk/channel.h"
|
|
#include "asterisk/bridge.h"
|
|
#include "asterisk/format_cache.h"
|
|
#include "include/confbridge.h"
|
|
|
|
/* ------------------------------------------------------------------- */
|
|
|
|
static unsigned int name_sequence = 0;
|
|
|
|
static int rec_call(struct ast_channel *chan, const char *addr, int timeout)
|
|
{
|
|
/* Make sure anyone calling ast_call() for this channel driver is going to fail. */
|
|
return -1;
|
|
}
|
|
|
|
static struct ast_frame *rec_read(struct ast_channel *ast)
|
|
{
|
|
return &ast_null_frame;
|
|
}
|
|
|
|
static int rec_write(struct ast_channel *ast, struct ast_frame *f)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static struct ast_channel *rec_request(const char *type, struct ast_format_cap *cap, const struct ast_assigned_ids *assignedids, const struct ast_channel *requestor, const char *data, int *cause)
|
|
{
|
|
struct ast_channel *chan;
|
|
const char *conf_name = data;
|
|
RAII_VAR(struct ast_format_cap *, capabilities, NULL, ao2_cleanup);
|
|
int generated_seqno = ast_atomic_fetchadd_int((int *) &name_sequence, +1);
|
|
|
|
capabilities = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
|
|
if (!capabilities) {
|
|
return NULL;
|
|
}
|
|
ast_format_cap_append_by_type(capabilities, AST_MEDIA_TYPE_UNKNOWN);
|
|
|
|
chan = ast_channel_alloc(1, AST_STATE_UP, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 0,
|
|
"CBRec/%s-%08x",
|
|
conf_name, (unsigned) generated_seqno);
|
|
if (!chan) {
|
|
return NULL;
|
|
}
|
|
if (ast_channel_add_bridge_role(chan, "recorder")) {
|
|
ast_channel_unlock(chan);
|
|
ast_channel_release(chan);
|
|
return NULL;
|
|
}
|
|
|
|
ast_channel_tech_set(chan, conf_record_get_tech());
|
|
ast_channel_nativeformats_set(chan, capabilities);
|
|
ast_channel_set_writeformat(chan, ast_format_slin);
|
|
ast_channel_set_rawwriteformat(chan, ast_format_slin);
|
|
ast_channel_set_readformat(chan, ast_format_slin);
|
|
ast_channel_set_rawreadformat(chan, ast_format_slin);
|
|
ast_channel_unlock(chan);
|
|
return chan;
|
|
}
|
|
|
|
static struct ast_channel_tech record_tech = {
|
|
.type = "CBRec",
|
|
.description = "Conference Bridge Recording Channel",
|
|
.requester = rec_request,
|
|
.call = rec_call,
|
|
.read = rec_read,
|
|
.write = rec_write,
|
|
.properties = AST_CHAN_TP_INTERNAL,
|
|
};
|
|
|
|
struct ast_channel_tech *conf_record_get_tech(void)
|
|
{
|
|
return &record_tech;
|
|
}
|