mirror of
https://github.com/ZDoom/gzdoom.git
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432 lines
9.7 KiB
C++
432 lines
9.7 KiB
C++
#ifdef _WIN32
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#define WIN32_LEAN_AND_MEAN
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#define USE_WINDOWS_DWORD
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#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0400
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#undef _WIN32_WINNT
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#endif
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#ifndef _WIN32_WINNT
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#define _WIN32_WINNT 0x0400
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#endif
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#include <windows.h>
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#include <mmsystem.h>
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#else
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#include <SDL.h>
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#define FALSE 0
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#define TRUE 1
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#endif
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#include <fmod.h>
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#include "tempfiles.h"
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#include "oplsynth/opl_mus_player.h"
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#include "c_cvars.h"
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#include "mus2midi.h"
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#include "i_sound.h"
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void I_InitMusicWin32 ();
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void I_ShutdownMusicWin32 ();
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extern float relative_volume;
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// The base music class. Everything is derived from this --------------------
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class MusInfo
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{
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public:
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MusInfo ();
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virtual ~MusInfo ();
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virtual void MusicVolumeChanged(); // snd_musicvolume changed
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virtual void TimidityVolumeChanged(); // timidity_mastervolume changed
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virtual void Play (bool looping) = 0;
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virtual void Pause () = 0;
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virtual void Resume () = 0;
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virtual void Stop () = 0;
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virtual bool IsPlaying () = 0;
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virtual bool IsMIDI () const = 0;
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virtual bool IsValid () const = 0;
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virtual bool SetPosition (int order);
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virtual void Update();
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virtual FString GetStats();
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enum EState
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{
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STATE_Stopped,
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STATE_Playing,
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STATE_Paused
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} m_Status;
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bool m_Looping;
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bool m_NotStartedYet; // Song has been created but not yet played
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};
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// A device that provides a WinMM-like MIDI streaming interface -------------
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#ifndef _WIN32
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struct MIDIHDR
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{
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BYTE *lpData;
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DWORD dwBufferLength;
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DWORD dwBytesRecorded;
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MIDIHDR *lpNext;
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};
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enum
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{
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MOD_MIDIPORT = 1,
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MOD_SYNTH,
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MOD_SQSYNTH,
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MOD_FMSYNTH,
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MOD_MAPPER,
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MOD_WAVETABLE,
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MOD_SWSYNTH
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};
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typedef BYTE *LPSTR;
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#define MEVT_TEMPO ((BYTE)1)
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#define MEVT_NOP ((BYTE)2)
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#define MEVT_LONGMSG ((BYTE)128)
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#define MEVT_EVENTTYPE(x) ((BYTE)((x) >> 24))
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#define MEVT_EVENTPARM(x) ((x) & 0xffffff)
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#define MOM_DONE 969
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#endif
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class MIDIDevice
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{
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public:
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MIDIDevice();
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virtual ~MIDIDevice();
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virtual int Open(void (*callback)(unsigned int, void *, DWORD, DWORD), void *userdata) = 0;
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virtual void Close() = 0;
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virtual bool IsOpen() const = 0;
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virtual int GetTechnology() const = 0;
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virtual int SetTempo(int tempo) = 0;
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virtual int SetTimeDiv(int timediv) = 0;
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virtual int StreamOut(MIDIHDR *data) = 0;
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virtual int StreamOutSync(MIDIHDR *data) = 0;
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virtual int Resume() = 0;
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virtual void Stop() = 0;
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virtual int PrepareHeader(MIDIHDR *data) = 0;
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virtual int UnprepareHeader(MIDIHDR *data) = 0;
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virtual bool FakeVolume() = 0;
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virtual bool Pause(bool paused) = 0;
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virtual bool NeedThreadedCallback() = 0;
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};
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// WinMM implementation of a MIDI output device -----------------------------
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#ifdef _WIN32
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class WinMIDIDevice : public MIDIDevice
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{
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public:
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WinMIDIDevice(int dev_id);
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~WinMIDIDevice();
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int Open(void (*callback)(unsigned int, void *, DWORD, DWORD), void *userdata);
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void Close();
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bool IsOpen() const;
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int GetTechnology() const;
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int SetTempo(int tempo);
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int SetTimeDiv(int timediv);
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int StreamOut(MIDIHDR *data);
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int StreamOutSync(MIDIHDR *data);
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int Resume();
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void Stop();
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int PrepareHeader(MIDIHDR *data);
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int UnprepareHeader(MIDIHDR *data);
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bool FakeVolume();
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bool NeedThreadedCallback();
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bool Pause(bool paused);
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protected:
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static void CALLBACK CallbackFunc(HMIDIOUT, UINT, DWORD_PTR, DWORD, DWORD);
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HMIDISTRM MidiOut;
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UINT DeviceID;
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DWORD SavedVolume;
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bool VolumeWorks;
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void (*Callback)(unsigned int, void *, DWORD, DWORD);
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void *CallbackData;
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};
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#endif
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// OPL implementation of a MIDI output device -------------------------------
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class OPLMIDIDevice : public MIDIDevice, OPLmusicBlock
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{
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public:
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OPLMIDIDevice();
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~OPLMIDIDevice();
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int Open(void (*callback)(unsigned int, void *, DWORD, DWORD), void *userdata);
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void Close();
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bool IsOpen() const;
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int GetTechnology() const;
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int SetTempo(int tempo);
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int SetTimeDiv(int timediv);
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int StreamOut(MIDIHDR *data);
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int StreamOutSync(MIDIHDR *data);
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int Resume();
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void Stop();
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int PrepareHeader(MIDIHDR *data);
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int UnprepareHeader(MIDIHDR *data);
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bool FakeVolume();
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bool NeedThreadedCallback();
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bool Pause(bool paused);
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protected:
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static bool FillStream(SoundStream *stream, void *buff, int len, void *userdata);
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void (*Callback)(unsigned int, void *, DWORD, DWORD);
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void *CallbackData;
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void CalcTickRate();
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void HandleEvent(int status, int parm1, int parm2);
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int PlayTick();
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SoundStream *Stream;
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double Tempo;
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double Division;
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MIDIHDR *Events;
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bool Started;
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DWORD Position;
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};
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// Base class for streaming MUS and MIDI files ------------------------------
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class MIDIStreamer : public MusInfo
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{
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public:
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MIDIStreamer(bool opl);
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~MIDIStreamer();
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void MusicVolumeChanged();
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void Play(bool looping);
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void Pause();
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void Resume();
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void Stop();
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bool IsPlaying();
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bool IsMIDI() const;
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bool IsValid() const;
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void Update();
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protected:
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static void Callback(unsigned int uMsg, void *userdata, DWORD dwParam1, DWORD dwParam2);
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void OutputVolume (DWORD volume);
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int FillBuffer(int buffer_num, int max_events, DWORD max_time);
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bool ServiceEvent();
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int VolumeControllerChange(int channel, int volume);
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// Virtuals for subclasses to override
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virtual void CheckCaps();
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virtual void DoInitialSetup() = 0;
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virtual void DoRestart() = 0;
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virtual bool CheckDone() = 0;
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virtual DWORD *MakeEvents(DWORD *events, DWORD *max_event_p, DWORD max_time) = 0;
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enum
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{
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MAX_EVENTS = 128
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};
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enum
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{
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SONG_MORE,
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SONG_DONE,
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SONG_ERROR
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};
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#ifdef _WIN32
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static DWORD WINAPI PlayerProc (LPVOID lpParameter);
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DWORD PlayerLoop();
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HANDLE PlayerThread;
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HANDLE ExitEvent;
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HANDLE BufferDoneEvent;
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#endif
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MIDIDevice *MIDI;
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DWORD Events[2][MAX_EVENTS*3];
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MIDIHDR Buffer[2];
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int BufferNum;
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int EndQueued;
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bool VolumeChanged;
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bool Restarting;
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bool InitialPlayback;
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DWORD NewVolume;
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int Division;
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int Tempo;
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int InitialTempo;
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BYTE ChannelVolumes[16];
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DWORD Volume;
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bool UseOPLDevice;
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bool CallbackIsThreaded;
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};
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// MUS file played with a MIDI stream ---------------------------------------
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class MUSSong2 : public MIDIStreamer
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{
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public:
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MUSSong2 (FILE *file, char *musiccache, int length);
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~MUSSong2 ();
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protected:
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void DoInitialSetup();
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void DoRestart();
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bool CheckDone();
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DWORD *MakeEvents(DWORD *events, DWORD *max_events_p, DWORD max_time);
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MUSHeader *MusHeader;
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BYTE *MusBuffer;
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BYTE LastVelocity[16];
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size_t MusP, MaxMusP;
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};
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// MIDI file played with a MIDI stream --------------------------------------
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class MIDISong2 : public MIDIStreamer
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{
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public:
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MIDISong2 (FILE *file, char *musiccache, int length, bool opl);
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~MIDISong2 ();
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protected:
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void CheckCaps();
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void DoInitialSetup();
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void DoRestart();
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bool CheckDone();
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DWORD *MakeEvents(DWORD *events, DWORD *max_events_p, DWORD max_time);
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struct TrackInfo;
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void ProcessInitialMetaEvents ();
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DWORD *SendCommand (DWORD *event, TrackInfo *track, DWORD delay);
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TrackInfo *FindNextDue ();
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void SetTempo(int new_tempo);
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BYTE *MusHeader;
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TrackInfo *Tracks;
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TrackInfo *TrackDue;
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int NumTracks;
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int Format;
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WORD DesignationMask;
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};
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// Anything supported by FMOD out of the box --------------------------------
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class StreamSong : public MusInfo
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{
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public:
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StreamSong (const char *file, int offset, int length);
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~StreamSong ();
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void Play (bool looping);
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void Pause ();
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void Resume ();
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void Stop ();
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bool IsPlaying ();
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bool IsMIDI () const { return false; }
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bool IsValid () const { return m_Stream != NULL; }
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bool SetPosition (int order);
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FString GetStats();
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protected:
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StreamSong () : m_Stream(NULL), m_LastPos(0) {}
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SoundStream *m_Stream;
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int m_LastPos;
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};
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// MIDI file played with Timidity and possibly streamed through FMOD --------
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class TimiditySong : public StreamSong
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{
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public:
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TimiditySong (FILE *file, char * musiccache, int length);
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~TimiditySong ();
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void Play (bool looping);
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void Stop ();
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bool IsPlaying ();
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bool IsValid () const { return CommandLine.Len() > 0; }
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void TimidityVolumeChanged();
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protected:
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void PrepTimidity ();
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bool LaunchTimidity ();
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FTempFileName DiskName;
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#ifdef _WIN32
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HANDLE ReadWavePipe;
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HANDLE WriteWavePipe;
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HANDLE KillerEvent;
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HANDLE ChildProcess;
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bool Validated;
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bool ValidateTimidity ();
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#else // _WIN32
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int WavePipe[2];
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pid_t ChildProcess;
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#endif
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FString CommandLine;
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size_t LoopPos;
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static bool FillStream (SoundStream *stream, void *buff, int len, void *userdata);
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#ifdef _WIN32
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static const char EventName[];
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#endif
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};
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// MUS file played by a software OPL2 synth and streamed through FMOD -------
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class OPLMUSSong : public StreamSong
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{
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public:
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OPLMUSSong (FILE *file, char * musiccache, int length);
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~OPLMUSSong ();
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void Play (bool looping);
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bool IsPlaying ();
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bool IsValid () const;
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void ResetChips ();
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protected:
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static bool FillStream (SoundStream *stream, void *buff, int len, void *userdata);
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OPLmusicFile *Music;
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};
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// CD track/disk played through the multimedia system -----------------------
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class CDSong : public MusInfo
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{
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public:
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CDSong (int track, int id);
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~CDSong ();
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void Play (bool looping);
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void Pause ();
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void Resume ();
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void Stop ();
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bool IsPlaying ();
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bool IsMIDI () const { return false; }
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bool IsValid () const { return m_Inited; }
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protected:
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CDSong () : m_Inited(false) {}
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int m_Track;
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bool m_Inited;
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};
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// CD track on a specific disk played through the multimedia system ---------
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class CDDAFile : public CDSong
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{
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public:
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CDDAFile (FILE *file, int length);
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};
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// --------------------------------------------------------------------------
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extern MusInfo *currSong;
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extern int nomusic;
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EXTERN_CVAR (Float, snd_musicvolume)
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EXTERN_CVAR (Bool, opl_enable)
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