/**
* name:: StreamCtrlInit
* 初始化StreamCtrl控制结构体（for PlayUtilityHandler.c）
**/
static int StreamCtrlInit(void)
{
StreamCtrl_Type *streamCtrl;
playerLogDebug("StreamCtrlInit.\n");
//TODO:: init message queue
gMsgQueue = MessageQueueCreate(sizeof(PlayerCommand_Type));
//TODO:: init gStreamCtrl && gPlayerCtrl
streamCtrl = (StreamCtrl_Type *)malloc(sizeof(StreamCtrl_Type));
if (streamCtrl == NULL)
playerLogError("streamCtrl malloc error.\n");
memset(streamCtrl, 0, sizeof(StreamCtrl_Type));
streamCtrl->msgQueue = gMsgQueue;
if (ThreadMutexLock(gStreamCtrlMutex))
playerLogWarning("thread mutex locking error.\n");
gStreamCtrl = streamCtrl;
playerLogInfo("gStreamCtrl[%p],streamCtrl->msgQueue[%p]\n", gStreamCtrl, streamCtrl->msgQueue);
if (ThreadMutexUnLock(gStreamCtrlMutex))
playerLogWarning("thread mutex locking error.\n");
return 0;
}
int LinuxTWILock(LinuxTWI *twi,unsigned num,int flags) {
int ret,mode;
if (flags & SHARED) return -11;
mode = (flags & NONBLOCKING) ?
LOCK_TRY :
(flags & NOUNLOCK) ? LOCK_FOD : LOCK_SOD;
if ((ret=ThreadMutexLock(twi->LockNum,mode)) < 0) return ret;
if (!twi->f) {
twi->f = open(twi->devfile,O_RDWR);
}
return 1;
}
/**
* name:: PlayCtrlInit
* 初始化PlayCtrl控制结构体（for PlayUtility4UpperInterfaces.cpp）
**/
static int PlayCtrlInit(void)
{
PlayCtrl_type *playCtrl;
playerLogDebug("PlayCtrlInit.\n");
//TODO:: init play structure gPlayerCtrl
playCtrl = (PlayCtrl_type *)malloc(sizeof(PlayCtrl_type));
if (playCtrl == NULL)
playerLogError("playCtrl malloc error.\n");
memset(playCtrl, 0, sizeof(PlayCtrl_type));
if (ThreadMutexLock(gPlayCtrlMutex))
playerLogWarning("thread mutex locking error.\n");
gPlayerCtrl = playCtrl;
playerLogVerbose("gPlayerCtrl address[%p]\n", gPlayerCtrl);
if (ThreadMutexUnLock(gPlayCtrlMutex))
playerLogWarning("thread mutex locking error.\n");
playerLogDebug("PlayCtrlInit END.\n");
return 0;
}