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- split out the MIDIDevice implementation into its own source file.

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This commit is contained in:
Christoph Oelckers 2019-09-28 07:47:50 +02:00
parent d13766f2ee
commit 67169b80e5
4 changed files with 191 additions and 151 deletions
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1
src/CMakeLists.txt
View file

@ -1186,6 +1186,7 @@ set (PCH_SOURCES
sound/music/i_soundfont.cpp
sound/backend/i_sound.cpp
sound/mididevices/midi_cvars.cpp
sound/mididevices/music_base_mididevice.cpp
sound/mididevices/music_adlmidi_mididevice.cpp
sound/mididevices/music_opl_mididevice.cpp
sound/mididevices/music_opnmidi_mididevice.cpp

189
src/sound/mididevices/music_base_mididevice.cpp Normal file
View file

@ -0,0 +1,189 @@
/*
** music_midistream.cpp
** Implements base class for MIDI and MUS streaming.
**
**---------------------------------------------------------------------------
** Copyright 2008 Randy Heit
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
// HEADER FILES ------------------------------------------------------------
#include "i_musicinterns.h"
#include "templates.h"
#include "doomerrors.h"
#include "v_text.h"
//==========================================================================
//
// MIDIDevice stubs.
//
//==========================================================================
MIDIDevice::~MIDIDevice()
{
}
//==========================================================================
//
// MIDIDevice :: PrecacheInstruments
//
// The MIDIStreamer calls this method between device open and the first
// buffered stream with a list of instruments known to be used by the song.
// If the device can benefit from preloading the instruments, it can do so
// now.
//
// Each entry is packed as follows:
// Bits 0- 6: Instrument number
// Bits 7-13: Bank number
// Bit 14: Select drum set if 1, tone bank if 0
//
//==========================================================================
void MIDIDevice::PrecacheInstruments(const uint16_t *instruments, int count)
{
}
//==========================================================================
//
// MIDIDevice :: Preprocess
//
// Gives the MIDI device a chance to do some processing with the song before
// it starts playing it. Returns true if MIDIStreamer should perform its
// standard playback startup sequence.
//
//==========================================================================
bool MIDIDevice::Preprocess(MIDIStreamer *song, bool looping)
{
return true;
}
//==========================================================================
//
// MIDIDevice :: PrepareHeader
//
// Wrapper for MCI's midiOutPrepareHeader.
//
//==========================================================================
int MIDIDevice::PrepareHeader(MidiHeader *header)
{
return 0;
}
//==========================================================================
//
// MIDIDevice :: UnprepareHeader
//
// Wrapper for MCI's midiOutUnprepareHeader.
//
//==========================================================================
int MIDIDevice::UnprepareHeader(MidiHeader *header)
{
return 0;
}
//==========================================================================
//
// MIDIDevice :: FakeVolume
//
// Since most implementations render as a normal stream, their volume is
// controlled through the GSnd interface, not here.
//
//==========================================================================
bool MIDIDevice::FakeVolume()
{
return false;
}
//==========================================================================
//
//
//
//==========================================================================
void MIDIDevice::InitPlayback()
{
}
//==========================================================================
//
//
//
//==========================================================================
bool MIDIDevice::Update()
{
return true;
}
//==========================================================================
//
// MIDIDevice :: ChangeSettingInt
//
//==========================================================================
void MIDIDevice::ChangeSettingInt(const char *setting, int value)
{
}
//==========================================================================
//
// MIDIDevice :: ChangeSettingNum
//
//==========================================================================
void MIDIDevice::ChangeSettingNum(const char *setting, double value)
{
}
//==========================================================================
//
// MIDIDevice :: ChangeSettingString
//
//==========================================================================
void MIDIDevice::ChangeSettingString(const char *setting, const char *value)
{
}
//==========================================================================
//
// MIDIDevice :: GetStats
//
//==========================================================================
FString MIDIDevice::GetStats()
{
return "This MIDI device does not have any stats.";
}

2
src/sound/music/i_musicinterns.h
View file

@ -161,7 +161,7 @@ typedef void(*MidiCallback)(void *);
class MIDIDevice
{
public:
MIDIDevice();
MIDIDevice() = default;
virtual ~MIDIDevice();
virtual int Open(MidiCallback, void *userdata) = 0;

150
src/sound/musicformats/music_midistream.cpp
View file

@ -913,153 +913,3 @@ bool MIDIStreamer::SetSubsong(int subsong)
}
//==========================================================================
//
// MIDIDevice stubs.
//
//==========================================================================
MIDIDevice::MIDIDevice()
{
}
MIDIDevice::~MIDIDevice()
{
}
//==========================================================================
//
// MIDIDevice :: PrecacheInstruments
//
// The MIDIStreamer calls this method between device open and the first
// buffered stream with a list of instruments known to be used by the song.
// If the device can benefit from preloading the instruments, it can do so
// now.
//
// Each entry is packed as follows:
// Bits 0- 6: Instrument number
// Bits 7-13: Bank number
// Bit 14: Select drum set if 1, tone bank if 0
//
//==========================================================================
void MIDIDevice::PrecacheInstruments(const uint16_t *instruments, int count)
{
}
//==========================================================================
//
// MIDIDevice :: Preprocess
//
// Gives the MIDI device a chance to do some processing with the song before
// it starts playing it. Returns true if MIDIStreamer should perform its
// standard playback startup sequence.
//
//==========================================================================
bool MIDIDevice::Preprocess(MIDIStreamer *song, bool looping)
{
return true;
}
//==========================================================================
//
// MIDIDevice :: PrepareHeader
//
// Wrapper for MCI's midiOutPrepareHeader.
//
//==========================================================================
int MIDIDevice::PrepareHeader(MidiHeader *header)
{
return 0;
}
//==========================================================================
//
// MIDIDevice :: UnprepareHeader
//
// Wrapper for MCI's midiOutUnprepareHeader.
//
//==========================================================================
int MIDIDevice::UnprepareHeader(MidiHeader *header)
{
return 0;
}
//==========================================================================
//
// MIDIDevice :: FakeVolume
//
// Since most implementations render as a normal stream, their volume is
// controlled through the GSnd interface, not here.
//
//==========================================================================
bool MIDIDevice::FakeVolume()
{
return false;
}
//==========================================================================
//
//
//
//==========================================================================
void MIDIDevice::InitPlayback()
{
}
//==========================================================================
//
//
//
//==========================================================================
bool MIDIDevice::Update()
{
return true;
}
//==========================================================================
//
// MIDIDevice :: ChangeSettingInt
//
//==========================================================================
void MIDIDevice::ChangeSettingInt(const char *setting, int value)
{
}
//==========================================================================
//
// MIDIDevice :: ChangeSettingNum
//
//==========================================================================
void MIDIDevice::ChangeSettingNum(const char *setting, double value)
{
}
//==========================================================================
//
// MIDIDevice :: ChangeSettingString
//
//==========================================================================
void MIDIDevice::ChangeSettingString(const char *setting, const char *value)
{
}
//==========================================================================
//
// MIDIDevice :: GetStats
//
//==========================================================================
FString MIDIDevice::GetStats()
{
return "This MIDI device does not have any stats.";
}