conf_chan_record.c File Reference

ConfBridge recorder channel driver. More...

#include "asterisk.h"
#include "asterisk/channel.h"
#include "asterisk/bridge.h"
#include "asterisk/format_cache.h"
#include "include/confbridge.h"

Include dependency graph for conf_chan_record.c:

Go to the source code of this file.

Functions
struct ast_channel_tech *	conf_record_get_tech (void)
	Get ConfBridge record channel technology struct.
static int	rec_call (struct ast_channel *chan, const char *addr, int timeout)
static struct ast_frame *	rec_read (struct ast_channel *ast)
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)
static int	rec_write (struct ast_channel *ast, struct ast_frame *f)

Variables
static unsigned int	name_sequence = 0
static struct ast_channel_tech	record_tech

Detailed Description

ConfBridge recorder channel driver.

Author

Richard Mudgett rmudg.nosp@m.ett@.nosp@m.digiu.nosp@m.m.co.nosp@m.m

See Also:

• CREDITS

Definition in file conf_chan_record.c.

Function Documentation

conf_record_get_tech()

struct ast_channel_tech * conf_record_get_tech

(

void

)

Get ConfBridge record channel technology struct.

Since

12.0.0

Returns

ConfBridge record channel technology.

Definition at line 102 of file conf_chan_record.c.

{
    return &record_tech;
}

References record_tech.

Referenced by load_module(), rec_request(), and unload_module().

rec_call()

static int rec_call ( struct ast_channel *  chan, const char *  addr, int  timeout  )

static

Definition at line 41 of file conf_chan_record.c.

{
    /* Make sure anyone calling ast_call() for this channel driver is going to fail. */
    return -1;
}

rec_read()

static struct ast_frame * rec_read ( struct ast_channel *  ast )

static

Definition at line 47 of file conf_chan_record.c.

{
    return &ast_null_frame;
}

References ast_null_frame.

rec_request()

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  )

static

Definition at line 57 of file conf_chan_record.c.

{
    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_AUDIO);
 
    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;
}

References ao2_cleanup, ast_atomic_fetchadd_int(), ast_channel_add_bridge_role(), ast_channel_alloc, ast_channel_nativeformats_set(), ast_channel_release(), ast_channel_set_rawreadformat(), ast_channel_set_rawwriteformat(), ast_channel_set_readformat(), ast_channel_set_writeformat(), ast_channel_tech_set(), ast_channel_unlock, ast_format_cap_alloc, ast_format_cap_append_by_type(), AST_FORMAT_CAP_FLAG_DEFAULT, ast_format_slin, AST_MEDIA_TYPE_AUDIO, AST_STATE_UP, conf_record_get_tech(), ast_channel::data, name_sequence, NULL, and RAII_VAR.

rec_write()

static int rec_write ( struct ast_channel *  ast, struct ast_frame *  f  )

static

Definition at line 52 of file conf_chan_record.c.

{
    return 0;
}

Variable Documentation

name_sequence

unsigned int name_sequence = 0

static

Definition at line 39 of file conf_chan_record.c.

Referenced by rec_request().

record_tech

struct ast_channel_tech record_tech

static

Definition at line 92 of file conf_chan_record.c.

                                             {
    .type = "CBRec",
    .description = "Conference Bridge Recording Channel",
    .requester = rec_request,
    .call = rec_call,
    .read = rec_read,
    .write = rec_write,
    .properties = AST_CHAN_TP_INTERNAL,
};

Referenced by conf_record_get_tech().