git.sesse.net Git - vlc/blob - modules/video_filter/atmo/AtmoConnection.cpp

   1 /*
   2  * AtmoConnection.cpp: generic/abstract class defining all methods for the
   3  * communication with the hardware
   4  *
   5  * See the README.txt file for copyright information and how to reach the author(s).
   6  *
   7  * $Id$
   8  */
   9 #include <string.h>
  10 #include "AtmoConnection.h"
  11
  12
  13 CAtmoConnection::CAtmoConnection(CAtmoConfig *cfg)
  14 {
  15          this->m_pAtmoConfig = cfg;
  16      m_ChannelAssignment = NULL;
  17      m_NumAssignedChannels = 0;
  18
  19 #if defined(_ATMO_VLC_PLUGIN_)
  20      vlc_mutex_init( &m_AccessConnection );
  21 #else
  22      InitializeCriticalSection( &m_AccessConnection );
  23 #endif
  24 }
  25
  26 CAtmoConnection::~CAtmoConnection(void)
  27 {
  28   if(isOpen())
  29      CloseConnection();
  30
  31 #if defined(_ATMO_VLC_PLUGIN_)
  32      vlc_mutex_destroy( &m_AccessConnection );
  33 #else
  34      DeleteCriticalSection( &m_AccessConnection );
  35 #endif
  36 }
  37
  38 void CAtmoConnection::SetChannelAssignment(CAtmoChannelAssignment *ca)
  39 {
  40   if(ca)
  41   {
  42       Lock();
  43       delete m_ChannelAssignment;
  44       m_ChannelAssignment = ca->getMapArrayClone(m_NumAssignedChannels);
  45       Unlock();
  46   }
  47 }
  48
  49 #if !defined(_ATMO_VLC_PLUGIN_)
  50 ATMO_BOOL CAtmoConnection::ShowConfigDialog(HINSTANCE hInst, HWND parent, CAtmoConfig *cfg)
  51 {
  52     MessageBox(parent, "This device doesn't have a special config dialog", "Info", 0);
  53     return ATMO_FALSE;
  54 }
  55 #endif
  56
  57
  58 void CAtmoConnection::Lock()
  59 {
  60 #if defined(_ATMO_VLC_PLUGIN_)
  61     vlc_mutex_lock( &m_AccessConnection );
  62 #else
  63     EnterCriticalSection( &m_AccessConnection );
  64 #endif
  65 }
  66 void CAtmoConnection::Unlock()
  67 {
  68 #if defined(_ATMO_VLC_PLUGIN_)
  69     vlc_mutex_unlock( &m_AccessConnection );
  70 #else
  71     LeaveCriticalSection( &m_AccessConnection );
  72 #endif
  73 }