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/* $Id$ */
/*
* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <pjmedia-audiodev/audiodev_imp.h>
#include <pj/assert.h>
#define THIS_FILE "audiodev.c"
/* extern functions to create factories */
#if PJMEDIA_AUDIO_DEV_HAS_PORTAUDIO
pjmedia_aud_dev_factory* pjmedia_pa_factory(pj_pool_factory *pf);
#endif
#if PJMEDIA_AUDIO_DEV_HAS_COREAUDIO
pjmedia_aud_dev_factory* pjmedia_coreaudio_factory(pj_pool_factory *pf);
#endif
#if PJMEDIA_AUDIO_DEV_HAS_ALSA
pjmedia_aud_dev_factory* pjmedia_alsa_factory(pj_pool_factory *pf);
#endif
#if PJMEDIA_AUDIO_DEV_HAS_OPENSL
pjmedia_aud_dev_factory* pjmedia_opensl_factory(pj_pool_factory *pf);
#endif
#if PJMEDIA_AUDIO_DEV_HAS_ANDROID_JNI
pjmedia_aud_dev_factory* pjmedia_android_factory(pj_pool_factory *pf);
#endif
#if PJMEDIA_AUDIO_DEV_HAS_BB10
pjmedia_aud_dev_factory* pjmedia_bb10_factory(pj_pool_factory *pf);
#endif
#if PJMEDIA_AUDIO_DEV_HAS_WMME
pjmedia_aud_dev_factory* pjmedia_wmme_factory(pj_pool_factory *pf);
#endif
#if PJMEDIA_AUDIO_DEV_HAS_BDIMAD
pjmedia_aud_dev_factory* pjmedia_bdimad_factory(pj_pool_factory *pf);
#endif
#if PJMEDIA_AUDIO_DEV_HAS_SYMB_VAS
pjmedia_aud_dev_factory* pjmedia_symb_vas_factory(pj_pool_factory *pf);
#endif
#if PJMEDIA_AUDIO_DEV_HAS_SYMB_APS
pjmedia_aud_dev_factory* pjmedia_aps_factory(pj_pool_factory *pf);
#endif
#if PJMEDIA_AUDIO_DEV_HAS_SYMB_MDA
pjmedia_aud_dev_factory* pjmedia_symb_mda_factory(pj_pool_factory *pf);
#endif
#if PJMEDIA_AUDIO_DEV_HAS_WASAPI
pjmedia_aud_dev_factory* pjmedia_wasapi_factory(pj_pool_factory *pf);
#endif
#if PJMEDIA_AUDIO_DEV_HAS_NULL_AUDIO
pjmedia_aud_dev_factory* pjmedia_null_audio_factory(pj_pool_factory *pf);
#endif
/* API: Initialize the audio subsystem. */
PJ_DEF(pj_status_t) pjmedia_aud_subsys_init(pj_pool_factory *pf)
{
unsigned i;
pj_status_t status;
pjmedia_aud_subsys *aud_subsys = pjmedia_get_aud_subsys();
/* Allow init() to be called multiple times as long as there is matching
* number of shutdown().
*/
if (aud_subsys->init_count++ != 0) {
return PJ_SUCCESS;
}
/* Register error subsystem */
status = pj_register_strerror(PJMEDIA_AUDIODEV_ERRNO_START,
PJ_ERRNO_SPACE_SIZE,
&pjmedia_audiodev_strerror);
pj_assert(status == PJ_SUCCESS);
/* Init */
aud_subsys->pf = pf;
aud_subsys->drv_cnt = 0;
aud_subsys->dev_cnt = 0;
/* Register creation functions */
#if PJMEDIA_AUDIO_DEV_HAS_OPENSL
aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_opensl_factory;
#endif
#if PJMEDIA_AUDIO_DEV_HAS_ANDROID_JNI
aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_android_factory;
#endif
#if PJMEDIA_AUDIO_DEV_HAS_BB10
aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_bb10_factory;
#endif
#if PJMEDIA_AUDIO_DEV_HAS_ALSA
aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_alsa_factory;
#endif
#if PJMEDIA_AUDIO_DEV_HAS_COREAUDIO
aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_coreaudio_factory;
#endif
#if PJMEDIA_AUDIO_DEV_HAS_PORTAUDIO
aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_pa_factory;
#endif
#if PJMEDIA_AUDIO_DEV_HAS_WMME
aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_wmme_factory;
#endif
#if PJMEDIA_AUDIO_DEV_HAS_BDIMAD
aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_bdimad_factory;
#endif
#if PJMEDIA_AUDIO_DEV_HAS_SYMB_VAS
aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_symb_vas_factory;
#endif
#if PJMEDIA_AUDIO_DEV_HAS_SYMB_APS
aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_aps_factory;
#endif
#if PJMEDIA_AUDIO_DEV_HAS_SYMB_MDA
aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_symb_mda_factory;
#endif
#if PJMEDIA_AUDIO_DEV_HAS_WASAPI
aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_wasapi_factory;
#endif
#if PJMEDIA_AUDIO_DEV_HAS_NULL_AUDIO
aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_null_audio_factory;
#endif
/* Initialize each factory and build the device ID list */
for (i=0; i<aud_subsys->drv_cnt; ++i) {
status = pjmedia_aud_driver_init(i, PJ_FALSE);
if (status != PJ_SUCCESS) {
pjmedia_aud_driver_deinit(i);
continue;
}
}
return aud_subsys->dev_cnt ? PJ_SUCCESS : status;
}
/* API: register an audio device factory to the audio subsystem. */
PJ_DEF(pj_status_t)
pjmedia_aud_register_factory(pjmedia_aud_dev_factory_create_func_ptr adf)
{
pj_status_t status;
pjmedia_aud_subsys *aud_subsys = pjmedia_get_aud_subsys();
if (aud_subsys->init_count == 0)
return PJMEDIA_EAUD_INIT;
aud_subsys->drv[aud_subsys->drv_cnt].create = adf;
status = pjmedia_aud_driver_init(aud_subsys->drv_cnt, PJ_FALSE);
if (status == PJ_SUCCESS) {
aud_subsys->drv_cnt++;
} else {
pjmedia_aud_driver_deinit(aud_subsys->drv_cnt);
}
return status;
}
/* API: unregister an audio device factory from the audio subsystem. */
PJ_DEF(pj_status_t)
pjmedia_aud_unregister_factory(pjmedia_aud_dev_factory_create_func_ptr adf)
{
unsigned i, j;
pjmedia_aud_subsys *aud_subsys = pjmedia_get_aud_subsys();
if (aud_subsys->init_count == 0)
return PJMEDIA_EAUD_INIT;
for (i=0; i<aud_subsys->drv_cnt; ++i) {
pjmedia_aud_driver *drv = &aud_subsys->drv[i];
if (drv->create == adf) {
for (j = drv->start_idx; j < drv->start_idx + drv->dev_cnt; j++)
{
aud_subsys->dev_list[j] = (pj_uint32_t)PJMEDIA_AUD_INVALID_DEV;
}
pjmedia_aud_driver_deinit(i);
return PJ_SUCCESS;
}
}
return PJMEDIA_EAUD_ERR;
}
/* API: get the pool factory registered to the audio subsystem. */
PJ_DEF(pj_pool_factory*) pjmedia_aud_subsys_get_pool_factory(void)
{
pjmedia_aud_subsys *aud_subsys = pjmedia_get_aud_subsys();
return aud_subsys->pf;
}
/* API: Shutdown the audio subsystem. */
PJ_DEF(pj_status_t) pjmedia_aud_subsys_shutdown(void)
{
unsigned i;
pjmedia_aud_subsys *aud_subsys = pjmedia_get_aud_subsys();
/* Allow shutdown() to be called multiple times as long as there is matching
* number of init().
*/
if (aud_subsys->init_count == 0) {
return PJ_SUCCESS;
}
--aud_subsys->init_count;
if (aud_subsys->init_count == 0) {
for (i=0; i<aud_subsys->drv_cnt; ++i) {
pjmedia_aud_driver_deinit(i);
}
aud_subsys->pf = NULL;
}
return PJ_SUCCESS;
}
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