bool SignalBasePrivate::disconnect(const SignalLink& l)
{
SignalSubscriberPtr s;
{
// Acquire signal mutex
boost::recursive_mutex::scoped_lock sigLock(mutex);
SignalSubscriberMap::iterator it = subscriberMap.find(l);
if (it == subscriberMap.end())
return false;
s = it->second;
// Remove from map (but SignalSubscriber object still good)
subscriberMap.erase(it);
// Acquire subscriber mutex before releasing mutex
boost::mutex::scoped_lock subLock(s->mutex);
// Release signal mutex
sigLock.release()->unlock();
// Ensure no call on subscriber occurrs once this function returns
s->enabled = false;
if (subscriberMap.empty() && onSubscribers)
onSubscribers(false);
if ( s->activeThreads.empty()
|| (s->activeThreads.size() == 1
&& *s->activeThreads.begin() == boost::this_thread::get_id()))
{ // One active callback in this thread, means above us in call stack
// So we cannot trash s right now
return true;
}
// More than one active callback, or one in a state that prevent us
// from knowing in which thread it will run
subLock.release()->unlock();
}
s->waitForInactive();
return true;
}
void ClearH264SubBuf( void )
{
subLock();
encbufs.firstflag = 0x00;
encbufs.firstflag = 0x00;
encbufs.prelen = 0x00;
encbufs.preindex = 0x00;
encbufs.totallen = 0x00;
subUnlock();
}
void PushVSencData( unsigned char* pbuf, char type, char size, int len, unsigned int frameno )
{
LIVEHEAD livehead; //livestream head
struct timeval tv;
struct timezone tz;
char flag = 0x00;
subLock();
if ( encbufs.firstflag == 0x01 )
{
if ( encbufs.totallen + len + sizeof( LIVEHEAD ) > EBUF_MAX_SLEN )
{
printf( "sub len > maxlen total %d len %d\n", encbufs.totallen, len );
flag = 0x01;
}
}
else
{
if ( encbufs.totallen + len + sizeof( LIVEHEAD ) > EBUF_MAX_SLEN / 2 )
{
printf( "sub len > maxlen/2\n" );
flag = 0x01;
}
}
if ( ( type == 0x00 ) || ( flag == 0x01 ) )
{
if ( encbufs.firstflag == 0x01 )
{
encbufs.firstindex = encbufs.index;
encbufs.index = 0x00;
encbufs.totallen = 0x00;
encbufs.firstflag = 0x00;
SetSubStreamFlag( 0x01 );
}
else
{
encbufs.firstindex = encbufs.index;
encbufs.index = 0x00;
encbufs.totallen = EBUF_MAX_SLEN / 2;
encbufs.firstflag = 0x01;
SetSubStreamFlag( 0x02 );
}
}
gettimeofday( &tv, &tz );
livehead.type = type;
livehead.len = len;
livehead.streamid = 0;
livehead.frameno = frameno;
livehead.militime = tv.tv_usec / 1000;
livehead.sectime = tv.tv_sec;
livehead.startcode = STARTCODE;
livehead.size = size;
livehead.framerate = GetSubFrameRate();
//push data
memcpy( (char*)(pbufs + encbufs.totallen), &livehead, sizeof( LIVEHEAD ) ); //livestream head
memcpy( (char*)(pbufs + encbufs.totallen + sizeof( LIVEHEAD )), pbuf, len ); //media data
encbufs.prelen = encbufs.totallen;
encbufs.preindex = encbufs.index;
encbufs.totallen += len + sizeof( LIVEHEAD );
encbufs.index++;
subUnlock();
}
