/** @brief The OMX_Init standard function
*
* This function calls the init function of each component loader added. If there
* is no component loaders present, the ST default component loader (static libraries)
* is loaded as default component loader.
*
* @return OMX_ErrorNone
*/
OSCL_EXPORT_REF OMX_ERRORTYPE OMX_Init()
{
if (pthread_mutex_lock(&mutex) != 0)
{
return OMX_ErrorUndefined;
}
if (initialized == 0)
{
if (createComponentLoaders())
{
DEBUG(DEB_LEV_ERR, "error of %s,OMX_Init is %d\n", __func__, __LINE__);
xmlflg = 0;
}
else
{
xmlflg = 1;
}
}
initialized++;
if (pthread_mutex_unlock(&mutex) != 0)
{
return OMX_ErrorUndefined;
}
ALOGV("Out of %s, initialized = %d", __func__, initialized);
return OMX_ErrorNone;
}
/** @brief The OMX_Init standard function
*
* This function calls the init function of each component loader added. If there
* is no component loaders present, the ST default component loader (static libraries)
* is loaded as default component loader.
*
* @return OMX_ErrorNone
*/
OMX_ERRORTYPE OMX_Init() {
int i = 0;
OMX_ERRORTYPE err = OMX_ErrorNone, errLoader = OMX_ErrorInsufficientResources;
DEBUG(DEB_LEV_FUNCTION_NAME, "In %s\n", __func__);
/* Get a lock in case multiple thread are calling OMX_Init at the same time */
tsem_down(&initSem);
if(initialized == 0) {
if (createComponentLoaders()) {
tsem_up(&initSem);
return OMX_ErrorInsufficientResources;
}
for (i = 0; i < bosa_loaders; i++) {
err = loadersList[i]->BOSA_InitComponentLoader((struct BOSA_COMPONENTLOADER *) loadersList[i]);
if (err != OMX_ErrorNone) {
DEBUG(DEB_LEV_ERR, "Component loader %d constructor fails. Error= 0x%08x \n",i, err);
/* The loader failed to initialize itself -> discarding it for the session */
free((void *) loadersList[i]);
loadersList[i] = 0;
}
// Returning OMX_ErrorNone if at least one loader has been able to initialize itself
if (err == OMX_ErrorNone) {
errLoader = OMX_ErrorNone;
}
}
} else {
/* In case core already initialized things are fine */
errLoader = OMX_ErrorNone;
}
initialized ++;
tsem_up(&initSem);
DEBUG(DEB_LEV_FUNCTION_NAME, "Out of %s\n", __func__);
return errLoader;
}
