// MCpp_ChannelImpl.h - MULTICAM C++ API - ChannelImpl
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#if !defined(__MCPP_CHANNELIMPL_H__)
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#define __MCPP_CHANNELIMPL_H__
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#include "MCpp_Channel.h"
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namespace Euresys
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{
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namespace MultiCam
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{
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// Constructors
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inline Channel::Channel(Board *b, int Connector) :
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SurfaceList(NULL)
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{
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try {
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InitChannel(b);
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SetParam(MC_Connector, Connector);
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} catch (...) {
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if (Handle != 0)
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McDelete(Handle);
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delete SurfaceList;
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throw;
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}
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}
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inline Channel::Channel(Board *b, const char *Connector) :
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SurfaceList(NULL)
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{
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try {
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InitChannel(b);
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SetParam(MC_Connector, Connector);
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} catch (...) {
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if (Handle != 0)
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McDelete(Handle);
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delete SurfaceList;
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throw;
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}
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}
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inline void Channel::InitChannel(Board *b)
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{
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WRAPPING_MEMBERS_INIT
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MCSTATUS status;
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MCHANDLE handle;
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int boardIx;
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status = McCreate(MC_CHANNEL, &handle);
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if (status != MC_OK)
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ThrowMultiCamException(status, TYPE_CREATE, "Channel");
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Handle = handle;
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b->GetParam(MC_DriverIndex, boardIx);
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SetParam(MC_DriverIndex, boardIx);
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SurfaceList = new Internal::List<Surface *, 16>();
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}
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// Destructor
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inline Channel::~Channel()
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{
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MCSTATUS status;
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int i;
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if (Handle != 0)
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{
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status = McDelete(Handle);
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if (status != MC_OK)
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ThrowMultiCamException(status, TYPE_DELETE, "Channel");
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}
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for (i = 0 ; i < SurfaceList->GetCount() ; i++)
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{
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if (SurfaceList->At(i) != NULL)
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delete SurfaceList->At(i);
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}
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delete SurfaceList;
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WRAPPING_MEMBERS_UNINIT
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}
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// Channel activation
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inline void Channel::SetActive()
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{
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SetParam(MC_ChannelState, MC_ChannelState_ACTIVE);
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}
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// Channel deactivation
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inline void Channel::SetIdle()
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{
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int state;
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GetParam(MC_ChannelState, state);
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if (state == MC_ChannelState_ACTIVE)
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SetParam(MC_ChannelState, MC_ChannelState_IDLE);
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}
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// Channel preparation
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inline void Channel::Prepare()
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{
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int state;
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GetParam(MC_ChannelState, state);
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if (state == MC_ChannelState_ORPHAN)
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SetParam(MC_ChannelState, MC_ChannelState_IDLE);
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else if (state != MC_ChannelState_ACTIVE)
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SetParam(MC_ChannelState, MC_ChannelState_READY);
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}
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// Get Surface from handle
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inline Surface *Channel::GetSurface(MCHANDLE sHandle)
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{
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MCSTATUS status;
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void *address;
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Surface *surface;
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if ((sHandle & 0xF0000000) != (MC_DEFAULT_SURFACE_HANDLE & 0xF0000000))
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ThrowMultiCamException(MC_INVALID_VALUE);
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status = McGetParamPtr(sHandle, MC_sctxt, &address);
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if (status != MC_OK)
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{
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Euresys::MultiCam::Exception e(status, "µC++ Internal Error");
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throw e;
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}
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if (address != NULL)
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surface = reinterpret_cast<Surface *>(address);
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else
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{
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surface = new Surface(sHandle);
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SurfaceList->Add(surface);
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}
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return surface;
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}
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}
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}
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#endif
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