// **************************************************************************** // // CMia.cpp // // Implementation file for the CMia driver class. // Set editor tabs to 3 for your viewing pleasure. // // Copyright Echo Digital Audio Corporation (c) 1998 - 2002 // All rights reserved // www.echoaudio.com // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal with the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to // permit persons to whom the Software is furnished to do so, subject to // the following conditions: // // - Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimers. // // - Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimers in the // documentation and/or other materials provided with the distribution. // // - Neither the name of Echo Digital Audio, nor the names of its // contributors may be used to endorse or promote products derived from // this Software without specific prior written permission. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. // IN NO EVENT SHALL THE CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR // ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE // SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE SOFTWARE. // // **************************************************************************** #include "CMia.h" /**************************************************************************** Construction and destruction ****************************************************************************/ //=========================================================================== // // Overload new & delete so memory for this object is allocated // from non-paged memory. // //=========================================================================== PVOID CMia::operator new( size_t Size ) { PVOID pMemory; ECHOSTATUS Status; Status = OsAllocateNonPaged(Size,&pMemory); if ( (ECHOSTATUS_OK != Status) || (NULL == pMemory )) { ECHO_DEBUGPRINTF(("CMia::operator new - memory allocation failed\n")); pMemory = NULL; } else { memset( pMemory, 0, Size ); } return pMemory; } // PVOID CMia::operator new( size_t Size ) VOID CMia::operator delete( PVOID pVoid ) { if ( ECHOSTATUS_OK != OsFreeNonPaged( pVoid ) ) { ECHO_DEBUGPRINTF(("CMia::operator delete memory free failed\n")); } } // VOID CMia::operator delete( PVOID pVoid ) //=========================================================================== // // Constructor and destructor // //=========================================================================== CMia::CMia( PCOsSupport pOsSupport ) : CEchoGals( pOsSupport ) { ECHO_DEBUGPRINTF( ( "CMia::CMia() is born!\n" ) ); } CMia::~CMia() { ECHO_DEBUGPRINTF( ( "CMia::~CMia() is toast!\n" ) ); } /**************************************************************************** Setup and hardware initialization ****************************************************************************/ //=========================================================================== // // Every card has an InitHw method // //=========================================================================== ECHOSTATUS CMia::InitHw() { ECHOSTATUS Status; WORD i; // // Call the base method // if ( ECHOSTATUS_OK != ( Status = CEchoGals::InitHw() ) ) return Status; // // Create the DSP comm object // ASSERT( NULL == m_pDspCommObject ); m_pDspCommObject = new CMiaDspCommObject( (PDWORD) m_pvSharedMemory, m_pOsSupport ); if (NULL == m_pDspCommObject) { ECHO_DEBUGPRINTF(("CMia::InitHw - could not create DSP comm object\n")); return ECHOSTATUS_NO_MEM; } // // Load the DSP // GetDspCommObject()->LoadFirmware(); if ( GetDspCommObject()->IsBoardBad() ) return ECHOSTATUS_DSP_DEAD; // // Clear the "bad board" flag; set the flags to indicate that // Mia can handle super-interleave. // m_wFlags &= ~ECHOGALS_FLAG_BADBOARD; m_wFlags |= ECHOGALS_ROFLAG_SUPER_INTERLEAVE_OK; // // Must call this here after DSP is init to // init gains and mutes // Status = InitLineLevels(); if ( ECHOSTATUS_OK != Status ) return Status; // // Set defaults for +4/-10 // for (i = 0; i < GetFirstDigitalBusOut(); i++ ) { GetDspCommObject()-> SetNominalLevel( i, FALSE ); // FALSE is +4 here } for ( i = 0; i < GetFirstDigitalBusIn(); i++ ) { GetDspCommObject()-> SetNominalLevel( GetNumBussesOut() + i, FALSE ); } // // Set the digital mode to S/PDIF RCA // SetDigitalMode( DIGITAL_MODE_SPDIF_RCA ); // // Get default sample rate from DSP // m_dwSampleRate = GetDspCommObject()->GetSampleRate(); ECHO_DEBUGPRINTF( ( "CMia::InitHw()\n" ) ); return Status; } // ECHOSTATUS CMia::InitHw() /**************************************************************************** Informational methods ****************************************************************************/ //=========================================================================== // // Override GetCapabilities to enumerate unique capabilties for this card // //=========================================================================== ECHOSTATUS CMia::GetCapabilities ( PECHOGALS_CAPS pCapabilities ) { ECHOSTATUS Status; WORD i; Status = GetBaseCapabilities(pCapabilities); if ( ECHOSTATUS_OK != Status ) return Status; // // Add meters & pans to output pipes // for (i = 0 ; i < GetNumPipesOut(); i++) { pCapabilities->dwPipeOutCaps[i] |= ECHOCAPS_PEAK_METER | ECHOCAPS_PAN; } // // Add nominal level control to analog ins & outs // for (i = 0 ; i < GetFirstDigitalBusOut(); i++) { pCapabilities->dwBusOutCaps[i] |= ECHOCAPS_NOMINAL_LEVEL; } for (i = 0 ; i < GetFirstDigitalBusIn(); i++) { pCapabilities->dwBusInCaps[i] |= ECHOCAPS_NOMINAL_LEVEL; } pCapabilities->dwInClockTypes |= ECHO_CLOCK_BIT_SPDIF; pCapabilities->dwOutClockTypes = 0; return Status; } // ECHOSTATUS CMia::GetCapabilities //=========================================================================== // // QueryAudioSampleRate is used to find out if this card can handle a // given sample rate. // //=========================================================================== ECHOSTATUS CMia::QueryAudioSampleRate ( DWORD dwSampleRate ) { if ( dwSampleRate != 8000 && dwSampleRate != 11025 && dwSampleRate != 12000 && dwSampleRate != 16000 && dwSampleRate != 22050 && dwSampleRate != 24000 && dwSampleRate != 32000 && dwSampleRate != 44100 && dwSampleRate != 48000 && dwSampleRate != 88200 && dwSampleRate != 96000 ) { ECHO_DEBUGPRINTF( ("CMia::QueryAudioSampleRate() Sample rate must be " " 8,000 Hz, 11,025 Hz, 12,000 Hz, 16,000 Hz, 22,050 Hz, " "24,000 Hz, 32,000 Hz, 44,100 Hz, 48,000 Hz, 88,200 Hz " "or 96,000 Hz\n") ); return ECHOSTATUS_BAD_FORMAT; } ECHO_DEBUGPRINTF( ( "CMia::QueryAudioSampleRate()\n" ) ); return ECHOSTATUS_OK; } // ECHOSTATUS CMia::QueryAudioSampleRate //=========================================================================== // // GetInputClockDetect returns a bitmask consisting of all the input // clocks currently connected to the hardware; this changes as the user // connects and disconnects clock inputs. // // You should use this information to determine which clocks the user is // allowed to select. // // Mia supports S/PDIF input clock. // //=========================================================================== ECHOSTATUS CMia::GetInputClockDetect(DWORD &dwClockDetectBits) { ECHO_DEBUGPRINTF(("CMia::GetInputClockDetect\n")); if ( NULL == GetDspCommObject() || GetDspCommObject()->IsBoardBad() ) { ECHO_DEBUGPRINTF( ("CMia::GetInputClockDetect: DSP Dead!\n") ); return ECHOSTATUS_DSP_DEAD; } // // Map the DSP clock detect bits to the generic driver clock detect bits // DWORD dwClocksFromDsp = GetDspCommObject()->GetInputClockDetect(); dwClockDetectBits = ECHO_CLOCK_BIT_INTERNAL; if (0 != (dwClocksFromDsp & GLDM_CLOCK_DETECT_BIT_SPDIF)) dwClockDetectBits |= ECHO_CLOCK_BIT_SPDIF; return ECHOSTATUS_OK; } // GetInputClockDetect //=========================================================================== // // Most of the cards don't have an actual output bus gain; they only // have gain controls for output pipes; the output bus gain is implemented // as a logical control. Mia (and any other card with a vmixer) works // differently; it does have a physical output bus gain control, so // just pass the gain down to the DSP comm object. // //=========================================================================== ECHOSTATUS CMia::AdjustPipesOutForBusOut(WORD wBusOut,int iBusOutGain) { GetDspCommObject()->SetBusOutGain(wBusOut,iBusOutGain); return ECHOSTATUS_OK; } // AdjustPipesOutForBusOut // *** Mia.cpp ***