mirror of
https://github.com/ZDoom/gzdoom.git
synced 2024-11-27 14:22:13 +00:00
151 lines
4.5 KiB
C++
151 lines
4.5 KiB
C++
/*
|
|
** music_opl.cpp
|
|
** Plays raw OPL formats
|
|
**
|
|
**---------------------------------------------------------------------------
|
|
** Copyright 1998-2008 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.
|
|
**---------------------------------------------------------------------------
|
|
*/
|
|
|
|
#include "streamsource.h"
|
|
#include "oplsynth/opl.h"
|
|
#include "oplsynth/opl_mus_player.h"
|
|
#include "../../libraries/music_common/fileio.h"
|
|
#include "zmusic/midiconfig.h"
|
|
|
|
|
|
//==========================================================================
|
|
//
|
|
// OPL file played by a software OPL2 synth and streamed through the sound system
|
|
//
|
|
//==========================================================================
|
|
|
|
class OPLMUSSong : public StreamSource
|
|
{
|
|
public:
|
|
OPLMUSSong (MusicIO::FileInterface *reader, OPLConfig *config);
|
|
~OPLMUSSong ();
|
|
bool Start() override;
|
|
void ChangeSettingInt(const char *name, int value) override;
|
|
SoundStreamInfo GetFormat() override;
|
|
|
|
protected:
|
|
bool GetData(void *buffer, size_t len) override;
|
|
|
|
OPLmusicFile *Music;
|
|
int current_opl_core;
|
|
};
|
|
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
|
|
OPLMUSSong::OPLMUSSong(MusicIO::FileInterface* reader, OPLConfig* config)
|
|
{
|
|
const char* error = nullptr;
|
|
reader->seek(0, SEEK_END);
|
|
auto fs = reader->tell();
|
|
reader->seek(0, SEEK_SET);
|
|
std::vector<uint8_t> data(fs);
|
|
reader->read(data.data(), (int)data.size());
|
|
Music = new OPLmusicFile(data.data(), data.size(), config->core, config->numchips, error);
|
|
if (error)
|
|
{
|
|
delete Music;
|
|
throw std::runtime_error(error);
|
|
}
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
|
|
SoundStreamInfo OPLMUSSong::GetFormat()
|
|
{
|
|
int samples = int(OPL_SAMPLE_RATE / 14);
|
|
return { samples * 4, int(OPL_SAMPLE_RATE), current_opl_core == 0? 1:2 };
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
|
|
OPLMUSSong::~OPLMUSSong ()
|
|
{
|
|
if (Music != NULL)
|
|
{
|
|
delete Music;
|
|
}
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
|
|
void OPLMUSSong::ChangeSettingInt(const char * name, int val)
|
|
{
|
|
if (!strcmp(name, "opl.numchips"))
|
|
Music->ResetChips (val);
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
|
|
bool OPLMUSSong::Start()
|
|
{
|
|
Music->SetLooping (m_Looping);
|
|
Music->Restart ();
|
|
return true;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
|
|
bool OPLMUSSong::GetData(void *buffer, size_t len)
|
|
{
|
|
return Music->ServiceStream(buffer, int(len)) ? len : 0;
|
|
}
|
|
|
|
StreamSource *OPL_OpenSong(MusicIO::FileInterface* reader, OPLConfig *config)
|
|
{
|
|
return new OPLMUSSong(reader, config);
|
|
}
|