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/**
* @file ausrc.c Audio Source
*
* Copyright (C) 2010 Creytiv.com
*/
#include <re.h>
#include <baresip.h>
#include "core.h"
static struct list ausrcl = LIST_INIT;
static void destructor(void *arg)
{
struct ausrc *as = arg;
list_unlink(&as->le);
}
/**
* Register an Audio Source
*
* @param asp Pointer to allocated Audio Source object
* @param name Audio Source name
* @param alloch Allocation handler
*
* @return 0 if success, otherwise errorcode
*/
int ausrc_register(struct ausrc **asp, const char *name, ausrc_alloc_h *alloch)
{
struct ausrc *as;
if (!asp)
return EINVAL;
as = mem_zalloc(sizeof(*as), destructor);
if (!as)
return ENOMEM;
list_append(&ausrcl, &as->le, as);
as->name = name;
as->alloch = alloch;
info("ausrc: %s\n", name);
*asp = as;
return 0;
}
/**
* Find an Audio Source by name
*
* @param name Name of the Audio Source to find
*
* @return Matching Audio Source if found, otherwise NULL
*/
const struct ausrc *ausrc_find(const char *name)
{
struct le *le;
for (le=ausrcl.head; le; le=le->next) {
struct ausrc *as = le->data;
if (str_isset(name) && 0 != str_casecmp(name, as->name))
continue;
return as;
}
return NULL;
}
/**
* Allocate an Audio Source state
*
* @param stp Pointer to allocated Audio Source state
* @param ctx Media context (optional)
* @param name Name of Audio Source
* @param prm Audio Source parameters
* @param device Name of Audio Source device (driver specific)
* @param rh Read handler
* @param errh Error handler
* @param arg Handler argument
*
* @return 0 if success, otherwise errorcode
*/
int ausrc_alloc(struct ausrc_st **stp, struct media_ctx **ctx,
const char *name, struct ausrc_prm *prm, const char *device,
ausrc_read_h *rh, ausrc_error_h *errh, void *arg)
{
struct ausrc *as;
as = (struct ausrc *)ausrc_find(name);
if (!as)
return ENOENT;
return as->alloch(stp, as, ctx, prm, device, rh, errh, arg);
}
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