112 lines
3.8 KiB
C++
112 lines
3.8 KiB
C++
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/*
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*
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* $Header: /H3/game/midi.h 1 2/27/97 4:04p Rjohnson $
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*/
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#ifndef __MSTREAM_INCLUDED__
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#define __MSTREAM_INCLUDED__
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/*****************************************************************************/
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/* Controls for buffer size, etc. */
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#define TRACK_BUFFER_SIZE 2048
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#define OUT_BUFFER_SIZE 2048 // Max stream buffer size in bytes
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#define BUFFER_TIME_LENGTH 2000 // Amount to fill in milliseconds
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#define NUM_STREAM_BUFFERS 5
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#define DEBUG_CALLBACK_TIMEOUT 2000 // Wait 2 seconds for callback
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#define MSTREAM_STOPF_NOREOPEN 0x0001
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#define STREAMF_BUFFER_WARNING 0x00000002
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#define CONVERTF_RESET 0x00000001
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#define CONVERTF_STATUS_DONE 0x00000001
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#define CONVERTF_STATUS_STUCK 0x00000002
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#define CONVERTF_STATUS_GOTEVENT 0x00000004
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#define CONVERTERR_NOERROR 0 // No error occured
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#define CONVERTERR_CORRUPT -101 // The input file is corrupt
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// The converter has already encountered a corrupt file and cannot convert any
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// more of this file -- you must reset the converter
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#define CONVERTERR_STUCK -102
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#define CONVERTERR_DONE -103 // Converter is done
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#define CONVERTERR_BUFFERFULL -104 // The buffer is full
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#define CONVERTERR_METASKIP -105 // Skipping unknown meta event
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#define STATUS_KILLCALLBACK 100 // Signals that the callback should die
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#define STATUS_CALLBACKDEAD 200 // Signals callback is done processing
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#define STATUS_WAITINGFOREND 300 // Callback's waiting for buffers to play
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#define VOLUME_BUFFER 3567 // Random value which acts as a buffer id
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#define VOL_CACHE_INIT 100
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#ifdef DEBUG
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#define DebugPrint( sz ) DPF( 3, sz )
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#else
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#define DebugPrint( sz )
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#endif
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/*
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* This structure is used to pass information to the ConvertToBuffer()
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* system and then internally by that function to send information about the
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* target stream buffer and current state of the conversion process to lower
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* level conversion routines internal to the MSTRCONV module. See that source
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* file for specific details.
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*/
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typedef struct _ConvertInfo
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{
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MIDIHDR mhBuffer; // Standard Windows stream buffer header
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DWORD dwStartOffset; // Start offset from mhStreamBuffer.lpStart
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DWORD dwMaxLength; // Max length to convert on this pass
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DWORD dwBytesRecorded; // Used internally by the MSTRCONV module
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DWORD tkStart; // Used internally by the MSTRCONV module
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BOOL bTimesUp; // Used internally by the MSTRCONV module
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} CONVERTINFO, *LPCONVERTINFO;
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void CALLBACK MidiProc( HMIDIIN, UINT, DWORD, DWORD, DWORD );
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void MidiErrorMessageBox( MMRESULT );
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void SetAllChannelVolumes( DWORD dwVolumePercent );
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void SetChannelVolume( DWORD dwChannel, DWORD dwVolumePercent );
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BOOL StreamBufferSetup( char *Name );
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BOOL ConverterInit( LPSTR szInFile );
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void ConverterCleanup( void );
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int ConvertToBuffer( DWORD, LPCONVERTINFO );
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#endif /* __MSTREAM_INCLUDED__ */
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/*
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* $Log: /H3/game/midi.h $
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*
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* 1 2/27/97 4:04p Rjohnson
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* Initial Revision
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*/
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