/* ====================================================================
* Texas Instruments OMAP(TM) Platform Software
* (c) Copyright Texas Instruments, Incorporated. All Rights Reserved.
*
* Use of this software is controlled by the terms and conditions found
* in the license agreement under which this software has been supplied.
* ==================================================================== */
#include <dlfcn.h> /* For dynamic loading */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <pthread.h>
#include <utils/Log.h>
#undef LOG_TAG
#define LOG_TAG "TIOMX_CORE"
#include "OMX_Component.h"
#include "OMX_Core.h"
#include "OMX_ComponentRegistry.h"
#ifndef NO_OPENCORE
/** determine capabilities of a component before acually using it */
#include "ti_omx_config_parser.h"
#endif
/** size for the array of allocated components. Sets the maximum
* number of components that can be allocated at once */
#define MAXCOMP (50)
#define MAXNAMESIZE (130)
#define EMPTY_STRING "\0"
/** Determine the number of elements in an array */
#define COUNTOF(x) (sizeof(x)/sizeof(x[0]))
/** Array to hold the DLL pointers for each allocated component */
static void* pModules[MAXCOMP] = {0};
/** Array to hold the component handles for each allocated component */
static void* pComponents[COUNTOF(pModules)] = {0};
/** count will be used as a reference counter for OMX_Init()
so all changes to count should be mutex protected */
int count = 0;
static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
int tableCount = 0;
ComponentTable componentTable[MAX_TABLE_SIZE];
char * sRoleArray[60][20];
char compName[60][200];
char *tComponentName[MAXCOMP][2] = {
/*video and image components */
//{"OMX.TI.JPEG.decoder", "image_decoder.jpeg" },
{"OMX.TI.JPEG.Encoder", "image_encoder.jpeg"},
//{"OMX.TI.Video.Decoder", "video_decoder.h263"},
{"OMX.TI.Video.Decoder", "video_decoder.avc"},
//{"OMX.TI.Video.Decoder", "video_decoder.mpeg2"},
{"OMX.TI.Video.Decoder", "video_decoder.mpeg4"},
{"OMX.TI.Video.Decoder", "video_decoder.wmv"},
{"OMX.TI.Video.encoder", "video_encoder.mpeg4"},
{"OMX.TI.Video.encoder", "video_encoder.h263"},
{"OMX.TI.Video.encoder", "video_encoder.avc"},
//{"OMX.TI.VPP", "iv_renderer.yuv.overlay"},
//{"OMX.TI.Camera", "camera.yuv"},
/* Speech components */
/* {"OMX.TI.G729.encode", NULL},
{"OMX.TI.G729.decode", NULL},
{"OMX.TI.G722.encode", NULL},
{"OMX.TI.G722.decode", NULL},
{"OMX.TI.G711.encode", NULL},
{"OMX.TI.G711.decode", NULL},
{"OMX.TI.G723.encode", NULL},
{"OMX.TI.G723.decode", NULL},
{"OMX.TI.G726.encode", NULL},
{"OMX.TI.G726.decode", NULL},
{"OMX.TI.GSMFR.encode", NULL},
{"OMX.TI.GSMFR.decode", NULL},
*/
/* Audio components */
#ifdef BUILD_WITH_TI_AUDIO
{"OMX.TI.MP3.decode", "audio_decoder.mp3"},
{"OMX.TI.AAC.encode", "audio_encoder.aac"},
{"OMX.TI.AAC.decode", "audio_decoder.aac"},
{"OMX.TI.WMA.decode", "audio_decoder.wma"},
{"OMX.TI.WBAMR.decode", "audio_decoder.amrwb"},
{"OMX.TI.AMR.decode", "audio_decoder.amrnb"},
{"OMX.TI.AMR.encode", "audio_encoder.amrnb"},
{"OMX.TI.WBAMR.encode", "audio_encoder.amrwb"},
#endif
/* {"OMX.TI.PCM.encode", NULL},
{"OMX.TI.PCM.decode", NULL},
{"OMX.TI.RAG.decode", "audio_decoder.ra"},
{"OMX.TI.IMAADPCM.decode", NULL},
{"OMX.TI.IMAADPCM.encode", NULL},
*/
/* terminate the table */
{NULL, NULL},
};
/******************************Public*Routine******************************\
* OMX_Init()
*
* Description:This method will initialize the OMX Core. It is the
* responsibility of the application to call OMX_Init to ensure the proper
* set up of core resources.
*
* Returns: OMX_NOERROR Successful
*
* Note
*
\**************************************************************************/
OMX_ERRORTYPE TIOMX_Init()
{
OMX_ERRORTYPE eError = OMX_ErrorNone;
if(pthread_mutex_lock(&mutex) != 0)
{
LOGE("%d :: Core: Error in Mutex lock\n",__LINE__);
return OMX_ErrorUndefined;
}
count++;
LOGD("init count = %d\n", count);
if (count == 1)
{
eError = TIOMX_BuildComponentTable();
}
if(pthread_mutex_unlock(&mutex) != 0)
{
LOGE("%d :: Core: Error in Mutex unlock\n",__LINE__);
return OMX_ErrorUndefined;
}
return eError;
}
/******************************Public*Routine******************************\
* OMX_GetHandle
*
* Description: This method will create the handle of the COMPONENTTYPE
* If the component is currently loaded, this method will reutrn the
* hadle of existingcomponent or create a new instance of the component.
* It will call the OMX_ComponentInit function and then the setcallback
* method to initialize the callback functions
* Parameters:
* @param[out] pHandle Handle of the loaded components
* @param[in] cComponentName Name of the component to load
* @param[in] pAppData Used to identify the callbacks of component
* @param[in] pCallBacks Application callbacks
*
* @retval OMX_ErrorUndefined
* @retval OMX_ErrorInvalidComponentName
* @retval OMX_ErrorInvalidComponent
* @retval OMX_ErrorInsufficientResources
* @retval OMX_NOERROR Successful
*
* Note
*
\**************************************************************************/
OMX_ERRORTYPE TIOMX_GetHandle( OMX_HANDLETYPE* pHandle, OMX_STRING cComponentName,
OMX_PTR pAppData, OMX_CALLBACKTYPE* pCallBacks)
{
static const char prefix[] = "lib";
static const char postfix[] = ".so";
OMX_ERRORTYPE (*pComponentInit)(OMX_HANDLETYPE*);
OMX_ERRORTYPE err = OMX_ErrorNone;
OMX_COMPONENTTYPE *componentType;
const char* pErr = dlerror();
if(pthread_mutex_lock(&mutex) != 0)
{
LOGE("%d :: Core: Error in Mutex lock\n",__LINE__);
return OMX_ErrorUndefined;
}
if ((NULL == cComponentName) || (NULL == pHandle) || (NULL == pCallBacks)) {
err = OMX_ErrorBadParameter;
goto UNLOCK_MUTEX;
}
/* Verify that the name is not too long and could cause a crash. Notice
* that the comparison is a greater than or equals. This is to make
* sure that there is room for the terminating NULL at the end of the
* name. */
if(strlen(cComponentName) >= MAXNAMESIZE) {
err = OMX_ErrorInvalidComponentName;
goto UNLOCK_MUTEX;
}
/* Locate the first empty slot for a component. If no slots
* are available, error out */
int i = 0;
for(i=0; i< COUNTOF(pModules); i++) {
if(pModules[i] == NULL) break;
}
if(i == COUNTOF(pModules)) {
err = OMX_ErrorInsufficientResources;
goto UNLOCK_MUTEX;
}
int refIndex = 0;
for (refIndex=0; refIndex < MAX_TABLE_SIZE; refIndex++) {
//get the index for the component in the table
if (strcmp(componentTable[refIndex].name, cComponentName) == 0) {
LOGD("Found component %s with refCount %d\n",
cComponentName, componentTable[refIndex].refCount);
/* check if the component is already loaded */
if (componentTable[refIndex].refCount >= MAX_CONCURRENT_INSTANCES) {
err = OMX_ErrorInsufficientResources;
LOGE("Max instances of component %s already created.\n", cComponentName);
goto UNLOCK_MUTEX;
} else { // we have not reached the limit yet
/* do what was done before need to limit concurrent instances of each component */
/* load the component and check for an error. If filename is not an
* absolute path (i.e., it does not begin with a "/"), then the
* file is searched for in the following locations:
*
* The LD_LIBRARY_PATH environment variable locations
* The library cache, /etc/ld.so.cache.
* /lib
* /usr/lib
*
* If there is an error, we can't go on, so set the error code and exit */
/* the lengths are defined herein or have been
* checked already, so strcpy and strcat are
* are safe to use in this context. */
char buf[sizeof(prefix) + MAXNAMESIZE + sizeof(postfix)];
strcpy(buf, prefix);
strcat(buf, cComponentName);
strcat(buf, postfix);
pModules[i] = dlopen(buf, RTLD_LAZY | RTLD_GLOBAL);
if( pModules[i] == NULL ) {
LOGE("dlopen %s failed because %s\n", buf, dlerror());
err = OMX_ErrorComponentNotFound;
goto UNLOCK_MUTEX;
}
/* Get a function pointer to the "OMX_ComponentInit" function. If
* there is an error, we can't go on, so set the error code and exit */
pComponentInit = dlsym(pModules[i], "OMX_ComponentInit");
pErr = dlerror();
if( (pErr != NULL) || (pComponentInit == NULL) ) {
LOGE("%d:: dlsym failed for module %p\n", __LINE__, pModules[i]);
err = OMX_ErrorInvalidComponent;
goto CLEAN_UP;
}
/* We now can access the dll. So, we need to call the "OMX_ComponentInit"
* method to load up the "handle" (which is just a list of functions to
* call) and we should be all set.*/
*pHandle = malloc(sizeof(OMX_COMPONENTTYPE));
if(*pHandle == NULL) {
err = OMX_ErrorInsufficientResources;
LOGE("%d:: malloc of pHandle* failed\n", __LINE__);
goto CLEAN_UP;
}
pComponents[i] = *pHandle;
componentType = (OMX_COMPONENTTYPE*) *pHandle;
componentType->nSize = sizeof(OMX_COMPONENTTYPE);
err = (*pComponentInit)(*pHandle);
if (OMX_ErrorNone == err) {
err = (componentType->SetCallbacks)(*pHandle, pCallBacks, pAppData);
if (err != OMX_ErrorNone) {
LOGE("%d :: Core: SetCallBack failed %d\n",__LINE__, err);
goto CLEAN_UP;
}
/* finally, OMX_ComponentInit() was successful and
SetCallbacks was successful, we have a valid instance,
so no we increment refCount */
componentTable[refIndex].pHandle[componentTable[refIndex].refCount] = *pHandle;
componentTable[refIndex].refCount += 1;
goto UNLOCK_MUTEX; // Component is found, and thus we are done
}
else if (err == OMX_ErrorInsufficientResources) {
LOGE("%d :: Core: Insufficient Resources for Component %d\n",__LINE__, err);
goto CLEAN_UP;
}
}
}
}
// If we are here, we have not found the component
err = OMX_ErrorComponentNotFound;
goto UNLOCK_MUTEX;
CLEAN_UP:
if(*pHandle != NULL)
/* cover the case where we error out before malloc'd */
{
free(*pHandle);
*pHandle = NULL;
}
pComponents[i] = NULL;
dlclose(pModules[i]);
pModules[i] = NULL;
UNLOCK_MUTEX:
if(pthread_mutex_unlock(&mutex) != 0)
{
LOGE("%d :: Core: Error in Mutex unlock\n",__LINE__);
err = OMX_ErrorUndefined;
}
return (err);
}
/******************************Public*Routine******************************\
* OMX_FreeHandle()
*
* Description:This method will unload the OMX component pointed by
* OMX_HANDLETYPE. It is the responsibility of the calling method to ensure that
* the Deinit method of the component has been called prior to unloading component
*
* Parameters:
* @param[in] hComponent the component to unload
*
* Returns: OMX_NOERROR Successful
*
* Note
*
\**************************************************************************/
OMX_ERRORTYPE TIOMX_FreeHandle (OMX_HANDLETYPE hComponent)
{
OMX_ERRORTYPE retVal = OMX_ErrorUndefined;
OMX_COMPONENTTYPE *pHandle = (OMX_COMPONENTTYPE *)hComponent;
if(pthread_mutex_lock(&mutex) != 0)
{
LOGE("%d :: Core: Error in Mutex lock\n",__LINE__);
return OMX_ErrorUndefined;
}
/* Locate the component handle in the array of handles */
int i = 0;
for(i=0; i< COUNTOF(pModules); i++) {
if(pComponents[i] == hComponent) break;
}
if(i == COUNTOF(pModules)) {
LOGE("%d :: Core: component %p is not found\n", __LINE__, hComponent);
retVal = OMX_ErrorBadParameter;
goto EXIT;
}
retVal = pHandle->ComponentDeInit(hComponent);
if (retVal != OMX_ErrorNone) {
LOGE("%d :: ComponentDeInit failed %d\n",__LINE__, retVal);
goto EXIT;
}
int refIndex = 0, handleIndex = 0;
for (refIndex=0; refIndex < MAX_TABLE_SIZE; refIndex++) {
for (handleIndex=0; handleIndex < componentTable[refIndex].refCount; handleIndex++){
/* get the position for the component in the table */
if (componentTable[refIndex].pHandle[handleIndex] == hComponent){
LOGD("Found matching pHandle(%p) at index %d with refCount %d",
hComponent, refIndex, componentTable[refIndex].refCount);
if (componentTable[refIndex].refCount) {
componentTable[refIndex].refCount -= 1;
}
componentTable[refIndex].pHandle[handleIndex] = NULL;
dlclose(pModules[i]);
pModules[i] = NULL;
free(pComponents[i]);
pComponents[i] = NULL;
retVal = OMX_ErrorNone;
goto EXIT;
}
}
}
// If we are here, we have not found the matching component
retVal = OMX_ErrorComponentNotFound;
EXIT:
/* The unload is now complete, so set the error code to pass and exit */
if(pthread_mutex_unlock(&mutex) != 0)
{
LOGE("%d :: Core: Error in Mutex unlock\n",__LINE__);
return OMX_ErrorUndefined;
}
return retVal;
}
/******************************Public*Routine******************************\
* OMX_DeInit()
*
* Description:This method will release the resources of the OMX Core. It is the
* responsibility of the application to call OMX_DeInit to ensure the clean up of these
* resources.
*
* Returns: OMX_NOERROR Successful
*
* Note
*
\**************************************************************************/
OMX_ERRORTYPE TIOMX_Deinit()
{
if(pthread_mutex_lock(&mutex) != 0) {
LOGE("%d :: Core: Error in Mutex lock\n",__LINE__);
return OMX_ErrorUndefined;
}
if (count) {
count--;
}
LOGD("deinit count = %d\n", count);
if(pthread_mutex_unlock(&mutex) != 0) {
LOGE("%d :: Core: Error in Mutex unlock\n",__LINE__);
return OMX_ErrorUndefined;
}
return OMX_ErrorNone;
}
/*************************************************************************
* OMX_SetupTunnel()
*
* Description: Setup the specified tunnel the two components
*
* Parameters:
* @param[in] hOutput Handle of the component to be accessed
* @param[in] nPortOutput Source port used in the tunnel
* @param[in] hInput Component to setup the tunnel with.
* @param[in] nPortInput Destination port used in the tunnel
*
* Returns: OMX_NOERROR Successful
*
* Note
*
**************************************************************************/
/* OMX_SetupTunnel */
OMX_API OMX_ERRORTYPE OMX_APIENTRY TIOMX_SetupTunnel(
OMX_IN OMX_HANDLETYPE hOutput,
OMX_IN OMX_U32 nPortOutput,
OMX_IN OMX_HANDLETYPE hInput,
OMX_IN OMX_U32 nPortInput)
{
OMX_ERRORTYPE eError = OMX_ErrorNotImplemented;
OMX_COMPONENTTYPE *pCompIn, *pCompOut;
OMX_TUNNELSETUPTYPE oTunnelSetup;
if (hOutput == NULL && hInput == NULL)
return OMX_ErrorBadParameter;
oTunnelSetup.nTunnelFlags = 0;
oTunnelSetup.eSupplier = OMX_BufferSupplyUnspecified;
pCompOut = (OMX_COMPONENTTYPE*)hOutput;
if (hOutput)
{
eError = pCompOut->ComponentTunnelRequest(hOutput, nPortOutput, hInput, nPortInput, &oTunnelSetup);
}
if (eError == OMX_ErrorNone && hInput)
{
pCompIn = (OMX_COMPONENTTYPE*)hInput;
eError = pCompIn->ComponentTunnelRequest(hInput, nPortInput, hOutput, nPortOutput, &oTunnelSetup);
if (eError != OMX_ErrorNone && hOutput)
{
/* cancel tunnel request on output port since input port failed */
pCompOut->ComponentTunnelRequest(hOutput, nPortOutput, NULL, 0, NULL);
}
}
return eError;
}
/*************************************************************************
* OMX_ComponentNameEnum()
*
* Description: This method will provide the name of the component at the given nIndex
*
*Parameters:
* @param[out] cComponentName The name of the component at nIndex
* @param[in] nNameLength The length of the component name
* @param[in] nIndex The index number of the component
*
* Returns: OMX_NOERROR Successful
*
* Note
*
**************************************************************************/
OMX_API OMX_ERRORTYPE OMX_APIENTRY TIOMX_ComponentNameEnum(
OMX_OUT OMX_STRING cComponentName,
OMX_IN OMX_U32 nNameLength,
OMX_IN OMX_U32 nIndex)
{
OMX_ERRORTYPE eError = OMX_ErrorNone;
if (nIndex >= tableCount)
{
eError = OMX_ErrorNoMore;
}
else
{
strcpy(cComponentName, componentTable[nIndex].name);
}
return eError;
}
/*************************************************************************
* OMX_GetRolesOfComponent()
*
* Description: This method will query the component for its supported roles
*
*Parameters:
* @param[in] cComponentName The name of the component to query
* @param[in] pNumRoles The number of roles supported by the component
* @param[in] roles The roles of the component
*
* Returns: OMX_NOERROR Successful
* OMX_ErrorBadParameter Faliure due to a bad input parameter
*
* Note
*
**************************************************************************/
OMX_API OMX_ERRORTYPE TIOMX_GetRolesOfComponent (
OMX_IN OMX_STRING cComponentName,
OMX_INOUT OMX_U32 *pNumRoles,
OMX_OUT OMX_U8 **roles)
{
OMX_ERRORTYPE eError = OMX_ErrorNone;
OMX_U32 i = 0;
OMX_U32 j = 0;
OMX_BOOL bFound = OMX_FALSE;
if (cComponentName == NULL || pNumRoles == NULL)
{
if (cComponentName == NULL)
{
LOGE("cComponentName is NULL\n");
}
if (pNumRoles == NULL)
{
LOGE("pNumRoles is NULL\n");
}
eError = OMX_ErrorBadParameter;
goto EXIT;
}
while (i < tableCount)
{
if (strcmp(cComponentName, componentTable[i].name) == 0)
{
bFound = OMX_TRUE;
break;
}
i++;
}
if (!bFound)
{
eError = OMX_ErrorComponentNotFound;
LOGE("component %s not found\n", cComponentName);
goto EXIT;
}
if (roles == NULL)
{
*pNumRoles = componentTable[i].nRoles;
}
else
{
/* must be second of two calls,
pNumRoles is input in this context.
If pNumRoles is < actual number of roles
than we return an error */
if (*pNumRoles >= componentTable[i].nRoles)
{
for (j = 0; j<componentTable[i].nRoles; j++)
{
strcpy((OMX_STRING)roles[j], componentTable[i].pRoleArray[j]);
}
*pNumRoles = componentTable[i].nRoles;
}
else
{
eError = OMX_ErrorBadParameter;
LOGE("pNumRoles (%d) is less than actual number (%d) of roles \
for this component %s\n", *pNumRoles, componentTable[i].nRoles, cComponentName);
}
}
EXIT:
return eError;
}
/*************************************************************************
* OMX_GetComponentsOfRole()
*
* Description: This method will query the component for its supported roles
*
*Parameters:
* @param[in] role The role name to query for
* @param[in] pNumComps The number of components supporting the given role
* @param[in] compNames The names of the components supporting the given role
*
* Returns: OMX_NOERROR Successful
*
* Note
*
**************************************************************************/
OMX_API OMX_ERRORTYPE TIOMX_GetComponentsOfRole (
OMX_IN OMX_STRING role,
OMX_INOUT OMX_U32 *pNumComps,
OMX_INOUT OMX_U8 **compNames)
{
OMX_ERRORTYPE eError = OMX_ErrorNone;
OMX_U32 i = 0;
OMX_U32 j = 0;
OMX_U32 k = 0;
OMX_U32 compOfRoleCount = 0;
if (role == NULL || pNumComps == NULL)
{
if (role == NULL)
{
LOGE("role is NULL");
}
if (pNumComps == NULL)
{
LOGE("pNumComps is NULL\n");
}
eError = OMX_ErrorBadParameter;
goto EXIT;
}
/* This implies that the componentTable is not filled */
if (!tableCount)
{
eError = OMX_ErrorUndefined;
LOGE("Component table is empty. Please reload OMX Core\n");
goto EXIT;
}
/* no matter, we always want to know number of matching components
so this will always run */
for (i = 0; i < tableCount; i++)
{
for (j = 0; j < componentTable[i].nRoles; j++)
{
if (strcmp(componentTable[i].pRoleArray[j], role) == 0)
{
/* the first call to this function should only count the number
of roles
*/
compOfRoleCount++;
}
}
}
if (compOfRoleCount == 0)
{
eError = OMX_ErrorComponentNotFound;
LOGE("Component supporting role %s was not found\n", role);
}
if (compNames == NULL)
{
/* must be the first of two calls */
*pNumComps = compOfRoleCount;
}
else
{
/* must be the second of two calls */
if (*pNumComps < compOfRoleCount)
{
/* pNumComps is input in this context,
it can not be less, this would indicate
the array is not large enough
*/
eError = OMX_ErrorBadParameter;
LOGE("pNumComps (%d) is less than the actual number (%d) of components \
supporting role %s\n", *pNumComps, compOfRoleCount, role);
}
else
{
k = 0;
for (i = 0; i < tableCount; i++)
{
for (j = 0; j < componentTable[i].nRoles; j++)
{
if (strcmp(componentTable[i].pRoleArray[j], role) == 0)
{
/* the second call compNames can be allocated
with the proper size for that number of roles.
*/
compNames[k] = (OMX_U8*)componentTable[i].name;
k++;
if (k == compOfRoleCount)
{
/* there are no more components of this role
so we can exit here */
*pNumComps = k;
goto EXIT;
}
}
}
}
}
}
EXIT:
return eError;
}
OMX_ERRORTYPE TIOMX_BuildComponentTable()
{
OMX_ERRORTYPE eError = OMX_ErrorNone;
OMX_CALLBACKTYPE sCallbacks;
int j = 0;
int numFiles = 0;
int i;
for (i = 0, numFiles = 0; i < MAXCOMP; i ++) {
if (tComponentName[i][0] == NULL) {
break;
}
if (numFiles <= MAX_TABLE_SIZE){
for (j = 0; j < numFiles; j ++) {
if (!strcmp(componentTable[j].name, tComponentName[i][0])) {
/* insert the role */
if (tComponentName[i][1] != NULL)
{
componentTable[j].pRoleArray[componentTable[j].nRoles] = tComponentName[i][1];
componentTable[j].pHandle[componentTable[j].nRoles] = NULL; //initilize the pHandle element
componentTable[j].nRoles ++;
}
break;
}
}
if (j == numFiles) { /* new component */
if (tComponentName[i][1] != NULL){
componentTable[numFiles].pRoleArray[0] = tComponentName[i][1];
componentTable[numFiles].nRoles = 1;
}
strcpy(compName[numFiles], tComponentName[i][0]);
componentTable[numFiles].name = compName[numFiles];
componentTable[numFiles].refCount = 0; //initialize reference counter.
numFiles ++;
}
}
}
tableCount = numFiles;
if (eError != OMX_ErrorNone){
LOGE("Could not build Component Table\n");
}
return eError;
}
OMX_BOOL TIOMXConfigParserRedirect(
OMX_PTR aInputParameters,
OMX_PTR aOutputParameters)
{
OMX_BOOL Status = OMX_FALSE;
#ifndef NO_OPENCORE
Status = TIOMXConfigParser(aInputParameters, aOutputParameters);
#endif
return Status;
}
