/* Internal: lookup device id */
static pj_status_t lookup_dev(pjmedia_aud_dev_index id,
pjmedia_aud_dev_factory **p_f,
unsigned *p_local_index)
{
int f_id, index;
if (id < 0) {
unsigned i;
if (id == PJMEDIA_AUD_INVALID_DEV)
return PJMEDIA_EAUD_INVDEV;
for (i=0; i<aud_subsys.drv_cnt; ++i) {
struct driver *drv = &aud_subsys.drv[i];
if (drv->dev_idx >= 0) {
id = drv->dev_idx;
make_global_index(i, &id);
break;
} else if (id==PJMEDIA_AUD_DEFAULT_CAPTURE_DEV &&
drv->rec_dev_idx >= 0)
{
id = drv->rec_dev_idx;
make_global_index(i, &id);
break;
} else if (id==PJMEDIA_AUD_DEFAULT_PLAYBACK_DEV &&
drv->play_dev_idx >= 0)
{
id = drv->play_dev_idx;
make_global_index(i, &id);
break;
}
}
if (id < 0) {
return PJMEDIA_EAUD_NODEFDEV;
}
}
f_id = GET_FID(aud_subsys.dev_list[id]);
index = GET_INDEX(aud_subsys.dev_list[id]);
if (f_id < 0 || f_id >= (int)aud_subsys.drv_cnt)
return PJMEDIA_EAUD_INVDEV;
if (index < 0 || index >= (int)aud_subsys.drv[f_id].dev_cnt)
return PJMEDIA_EAUD_INVDEV;
*p_f = aud_subsys.drv[f_id].f;
*p_local_index = (unsigned)index;
return PJ_SUCCESS;
}
/* Internal: lookup device id */
static pj_status_t lookup_dev(pjmedia_vid_dev_index id,
pjmedia_vid_dev_factory **p_f,
unsigned *p_local_index)
{
int f_id, index;
if (id < 0) {
unsigned i;
if (id <= PJMEDIA_VID_INVALID_DEV)
return PJMEDIA_EVID_INVDEV;
for (i=0; i<vid_subsys.drv_cnt; ++i) {
pjmedia_vid_driver *drv = &vid_subsys.drv[i];
if (id==PJMEDIA_VID_DEFAULT_CAPTURE_DEV &&
drv->cap_dev_idx >= 0)
{
id = drv->cap_dev_idx;
make_global_index(i, &id);
break;
} else if (id==PJMEDIA_VID_DEFAULT_RENDER_DEV &&
drv->rend_dev_idx >= 0)
{
id = drv->rend_dev_idx;
make_global_index(i, &id);
break;
}
}
if (id < 0) {
return PJMEDIA_EVID_NODEFDEV;
}
}
f_id = GET_FID(vid_subsys.dev_list[id]);
index = GET_INDEX(vid_subsys.dev_list[id]);
if (f_id < 0 || f_id >= (int)vid_subsys.drv_cnt)
return PJMEDIA_EVID_INVDEV;
if (index < 0 || index >= (int)vid_subsys.drv[f_id].dev_cnt)
return PJMEDIA_EVID_INVDEV;
*p_f = vid_subsys.drv[f_id].f;
*p_local_index = (unsigned)index;
return PJ_SUCCESS;
}
