/*----------------------------------------------------------------------------
*Function: CMM_Close
*Parameters: OpenHandle :
*Return Value: True/False
*Implementation Notes: This function closes the device context identified by
OpenHandle
-----------------------------------------------------------------------------*/
BOOL
CMM_Close(
DWORD OpenHandle
)
{
CODEC_MEM_CTX *CodecMem;
DWORD ret;
ALLOC_MEM_T *node, *tmp_node;
int count=0;
ret = LockCMMMutex();
if(!ret){
RETAILMSG(1, (TEXT("[CMM_Close] CMM Mutex Lock Fail\r\n")));
return FALSE;
}
CodecMem = (CODEC_MEM_CTX *)OpenHandle;
printD("[%d][CMM Close] \n", CodecMem->inst_no);
if(!CodecMem){
RETAILMSG(1, (TEXT("[CMM_Close] CMM Invalid Input Handle\r\n")));
UnlockCMMMutex();
return FALSE;
}
printD("[CMM_Close] CodecMem->inst_no : %d CodecMem->callerProcess : 0x%x\n", CodecMem->inst_no, CodecMem->callerProcess);
__try
{
// release u_addr and v_addr accoring to inst_no
for(node = AllocMemHead; node != AllocMemTail; node = node->next){
if(node->inst_no == CodecMem->inst_no){
tmp_node = node;
node = node->prev;
ReleaseAllocMem(tmp_node, CodecMem);
}
}
}
__except ( EXCEPTION_EXECUTE_HANDLER )
{
RETAILMSG( 1, ( _T("CMM_Close:Exception in releasing memory\n")) );
return FALSE;
}
printD("[%d][CMM Close] MergeFragmentation\n", CodecMem->inst_no);
MergeFragmentation(CodecMem->inst_no);
ReturnInstanceNo(CodecMem->inst_no);
free(CodecMem);
UnlockCMMMutex();
return TRUE;
}
static int s3c_cmm_release(struct inode *inode, struct file *file)
{
DWORD ret;
CODEC_MEM_CTX *CodecMem;
ALLOC_MEM_T *node, *tmp_node;
ret = LockCMMMutex();
if(!ret){
LOG_MSG(LOG_ERROR, "s3c_cmm_release", "DD::CMM Mutex Lock Fail\r\n");
return -1;
}
CodecMem = (CODEC_MEM_CTX *)file->private_data;
LOG_MSG(LOG_TRACE, "s3c_cmm_release", "[%d][CMM Close] \n", CodecMem->inst_no);
if(!CodecMem){
LOG_MSG(LOG_ERROR, "s3c_cmm_close", "CMM Invalid Input Handle\r\n");
UnlockCMMMutex();
return -1;
}
LOG_MSG(LOG_TRACE, "s3c_cmm_close", "CodecMem->inst_no : %d\n", CodecMem->inst_no);
// release u_addr and v_addr accoring to inst_no
for(node = AllocMemHead; node != AllocMemTail; node = node->next){
if(node->inst_no == CodecMem->inst_no){
tmp_node = node;
node = node->prev;
ReleaseAllocMem(tmp_node, CodecMem);
}
}
LOG_MSG(LOG_TRACE, "s3c_cmm_release", "[%d]instance MergeFragmentation\n", CodecMem->inst_no);
MergeFragmentation(CodecMem->inst_no);
ReturnInstanceNo(CodecMem->inst_no);
kfree(CodecMem);
UnlockCMMMutex();
return 0;
}