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/*
* Copyright (C) Wind River Systems
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <OMX_Core.h>
#include <OMX_Component.h>
#include <list.h>
#include <cmodule.h>
#include <componentbase.h>
#define LOG_TAG "wrs_omxcore"
#include <log.h>
static unsigned int g_initialized = 0;
static unsigned int g_nr_instances = 0;
static struct list *g_module_list = NULL;
static pthread_mutex_t g_module_lock = PTHREAD_MUTEX_INITIALIZER;
static struct list *construct_components(const char *config_file_name)
{
FILE *config_file;
char library_name[OMX_MAX_STRINGNAME_SIZE];
char config_file_path[256];
struct list *head = NULL;
strncpy(config_file_path, "/etc/", 256);
strncat(config_file_path, config_file_name, 256);
config_file = fopen(config_file_path, "r");
if (!config_file) {
strncpy(config_file_path, "./", 256);
strncat(config_file_path, config_file_name, 256);
config_file = fopen(config_file_path, "r");
if (!config_file) {
LOGE("not found file %s\n", config_file_name);
return NULL;
}
}
while (fscanf(config_file, "%s", library_name) > 0) {
CModule *cmodule;
struct list *entry;
OMX_ERRORTYPE ret;
library_name[OMX_MAX_STRINGNAME_SIZE-1] = '\0';
cmodule = new CModule(&library_name[0]);
if (!cmodule)
continue;
LOGV("found component library %s\n", library_name);
ret = cmodule->Load();
if (ret != OMX_ErrorNone)
goto delete_cmodule;
ret = cmodule->QueryComponentName();
if (ret != OMX_ErrorNone)
goto unload_cmodule;
ret = cmodule->QueryComponentRoles();
if (ret != OMX_ErrorNone)
goto unload_cmodule;
entry = list_alloc(cmodule);
if (!entry)
goto unload_cmodule;
head = __list_add_tail(head, entry);
cmodule->Unload();
LOGV("module %s:%s added to component list\n",
cmodule->GetLibraryName(), cmodule->GetComponentName());
continue;
unload_cmodule:
cmodule->Unload();
delete_cmodule:
delete cmodule;
}
fclose(config_file);
return head;
}
static struct list *destruct_components(struct list *head)
{
struct list *entry, *next;
list_foreach_safe(head, entry, next) {
CModule *cmodule = static_cast<CModule *>(entry->data);
head = __list_delete(head, entry);
delete cmodule;
}
return head;
}
OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_Init(void)
{
int ret;
pthread_mutex_lock(&g_module_lock);
if (!g_initialized) {
g_module_list = construct_components("wrs_omxil_components.list");
if (!g_module_list) {
pthread_mutex_unlock(&g_module_lock);
return OMX_ErrorInsufficientResources;
}
g_initialized = 1;
}
pthread_mutex_unlock(&g_module_lock);
return OMX_ErrorNone;
}
OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_Deinit(void)
{
OMX_ERRORTYPE ret = OMX_ErrorNone;
pthread_mutex_lock(&g_module_lock);
if (!g_nr_instances)
g_module_list = destruct_components(g_module_list);
else
ret = OMX_ErrorUndefined;
pthread_mutex_unlock(&g_module_lock);
return ret;
}
OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_ComponentNameEnum(
OMX_OUT OMX_STRING cComponentName,
OMX_IN OMX_U32 nNameLength,
OMX_IN OMX_U32 nIndex)
{
CModule *cmodule;
ComponentBase *cbase;
struct list *entry;
OMX_STRING cname;
pthread_mutex_lock(&g_module_lock);
entry = __list_entry(g_module_list, nIndex);
if (!entry) {
pthread_mutex_unlock(&g_module_lock);
return OMX_ErrorNoMore;
}
pthread_mutex_unlock(&g_module_lock);
cmodule = static_cast<CModule *>(entry->data);
cname = cmodule->GetComponentName();
strncpy(cComponentName, cname, nNameLength);
return OMX_ErrorNone;
}
OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_GetHandle(
OMX_OUT OMX_HANDLETYPE* pHandle,
OMX_IN OMX_STRING cComponentName,
OMX_IN OMX_PTR pAppData,
OMX_IN OMX_CALLBACKTYPE *pCallBacks)
{
struct list *entry;
OMX_ERRORTYPE ret;
pthread_mutex_lock(&g_module_lock);
list_foreach(g_module_list, entry) {
CModule *cmodule;
OMX_STRING cname;
cmodule = static_cast<CModule *>(entry->data);
cname = cmodule->GetComponentName();
if (!strcmp(cComponentName, cname)) {
ComponentBase *cbase = NULL;
ret = cmodule->Load();
if (ret != OMX_ErrorNone)
goto unlock_list;
ret = cmodule->InstantiateComponent(&cbase);
if (ret != OMX_ErrorNone)
goto unload_cmodule;
ret = cbase->GetHandle(pHandle, pAppData, pCallBacks);
if (ret != OMX_ErrorNone)
goto delete_cbase;
cbase->SetCModule(cmodule);
g_nr_instances++;
pthread_mutex_unlock(&g_module_lock);
return OMX_ErrorNone;
delete_cbase:
delete cbase;
unload_cmodule:
cmodule->Unload();
unlock_list:
pthread_mutex_unlock(&g_module_lock);
return ret;
}
}
pthread_mutex_unlock(&g_module_lock);
return OMX_ErrorInvalidComponent;
}
OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_FreeHandle(
OMX_IN OMX_HANDLETYPE hComponent)
{
ComponentBase *cbase;
CModule *cmodule;
OMX_ERRORTYPE ret;
if (!hComponent)
return OMX_ErrorBadParameter;
cbase = static_cast<ComponentBase *>
(((OMX_COMPONENTTYPE *)hComponent)->pComponentPrivate);
if (!cbase)
return OMX_ErrorBadParameter;
ret = cbase->FreeHandle(hComponent);
if (ret != OMX_ErrorNone) {
LOGE("failed to cbase->FreeHandle() (ret = 0x%08x)\n", ret);
return ret;
}
pthread_mutex_lock(&g_module_lock);
g_nr_instances--;
pthread_mutex_unlock(&g_module_lock);
cmodule = cbase->GetCModule();
if (!cmodule)
LOGE("fatal error, %s does not have cmodule\n", cbase->GetName());
delete cbase;
if (cmodule)
cmodule->Unload();
return OMX_ErrorNone;
}
OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_SetupTunnel(
OMX_IN OMX_HANDLETYPE hOutput,
OMX_IN OMX_U32 nPortOutput,
OMX_IN OMX_HANDLETYPE hInput,
OMX_IN OMX_U32 nPortInput)
{
return OMX_ErrorNotImplemented;
}
OMX_API OMX_ERRORTYPE OMX_GetContentPipe(
OMX_OUT OMX_HANDLETYPE *hPipe,
OMX_IN OMX_STRING szURI)
{
return OMX_ErrorNotImplemented;
}
OMX_API OMX_ERRORTYPE OMX_GetComponentsOfRole (
OMX_IN OMX_STRING role,
OMX_INOUT OMX_U32 *pNumComps,
OMX_INOUT OMX_U8 **compNames)
{
struct list *entry;
OMX_U32 nr_comps = 0, copied_nr_comps = 0;
pthread_mutex_lock(&g_module_lock);
list_foreach(g_module_list, entry) {
CModule *cmodule;
OMX_STRING cname;
bool having_role;
cmodule = static_cast<CModule *>(entry->data);
having_role = cmodule->QueryHavingThisRole(role);
if (having_role) {
if (compNames && compNames[nr_comps]) {
cname = cmodule->GetComponentName();
strncpy((OMX_STRING)&compNames[nr_comps][0], cname,
OMX_MAX_STRINGNAME_SIZE);
copied_nr_comps++;
}
nr_comps++;
}
}
pthread_mutex_unlock(&g_module_lock);
if (!copied_nr_comps)
*pNumComps = nr_comps;
else {
if (copied_nr_comps != *pNumComps)
return OMX_ErrorBadParameter;
}
return OMX_ErrorNone;
}
OMX_API OMX_ERRORTYPE OMX_GetRolesOfComponent (
OMX_IN OMX_STRING compName,
OMX_INOUT OMX_U32 *pNumRoles,
OMX_OUT OMX_U8 **roles)
{
struct list *entry;
pthread_mutex_lock(&g_module_lock);
list_foreach(g_module_list, entry) {
CModule *cmodule;
ComponentBase *cbase;
OMX_STRING cname;
cmodule = static_cast<CModule *>(entry->data);
cname = cmodule->GetComponentName();
if (!strcmp(compName, cname)) {
pthread_mutex_unlock(&g_module_lock);
return cmodule->GetComponentRoles(pNumRoles, roles);
}
}
pthread_mutex_unlock(&g_module_lock);
return OMX_ErrorInvalidComponent;
}
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