doom3-bfg/doomclassic/doom/i_sound_win32.cpp
2012-11-26 12:58:24 -06:00

1084 lines
26 KiB
C++

/*
===========================================================================
Doom 3 BFG Edition GPL Source Code
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#include "Precompiled.h"
#include "globaldata.h"
//
// DESCRIPTION:
// System interface for sound.
//
//-----------------------------------------------------------------------------
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <math.h>
#include <sys/types.h>
#include <fcntl.h>
// Timer stuff. Experimental.
#include <time.h>
#include <signal.h>
#include "z_zone.h"
#include "i_system.h"
#include "i_sound.h"
#include "m_argv.h"
#include "m_misc.h"
#include "w_wad.h"
#include "d_main.h"
#include "doomdef.h"
#include "../timidity/timidity.h"
#include "../timidity/controls.h"
#include "sound/snd_local.h"
#include <xaudio2.h>
#include <x3daudio.h>
#pragma warning ( disable : 4244 )
#define MIDI_CHANNELS 2
#if 1
#define MIDI_RATE 22050
#define MIDI_SAMPLETYPE XAUDIOSAMPLETYPE_8BITPCM
#define MIDI_FORMAT AUDIO_U8
#define MIDI_FORMAT_BYTES 1
#else
#define MIDI_RATE 48000
#define MIDI_SAMPLETYPE XAUDIOSAMPLETYPE_16BITPCM
#define MIDI_FORMAT AUDIO_S16MSB
#define MIDI_FORMAT_BYTES 2
#endif
IXAudio2SourceVoice* pMusicSourceVoice;
MidiSong* doomMusic;
byte* musicBuffer;
int totalBufferSize;
HANDLE hMusicThread;
bool waitingForMusic;
bool musicReady;
typedef struct tagActiveSound_t {
IXAudio2SourceVoice* m_pSourceVoice; // Source voice
X3DAUDIO_DSP_SETTINGS m_DSPSettings;
X3DAUDIO_EMITTER m_Emitter;
X3DAUDIO_CONE m_Cone;
int id;
int valid;
int start;
int player;
bool localSound;
mobj_t *originator;
} activeSound_t;
// cheap little struct to hold a sound
typedef struct {
int vol;
int player;
int pitch;
int priority;
mobj_t *originator;
mobj_t *listener;
} soundEvent_t;
// array of all the possible sounds
// in split screen we only process the loudest sound of each type per frame
soundEvent_t soundEvents[128];
extern int PLAYERCOUNT;
// Real volumes
const float GLOBAL_VOLUME_MULTIPLIER = 0.5f;
float x_SoundVolume = GLOBAL_VOLUME_MULTIPLIER;
float x_MusicVolume = GLOBAL_VOLUME_MULTIPLIER;
// The actual lengths of all sound effects.
static int lengths[NUMSFX];
activeSound_t activeSounds[NUM_SOUNDBUFFERS] = {0};
int S_initialized = 0;
bool Music_initialized = false;
// XAUDIO
float g_EmitterAzimuths [] = { 0.f };
static int numOutputChannels = 0;
static bool soundHardwareInitialized = false;
X3DAUDIO_HANDLE X3DAudioInstance;
X3DAUDIO_LISTENER doom_Listener;
//float localSoundVolumeEntries[] = { 0.f, 0.f, 0.9f, 0.5f, 0.f, 0.f };
float localSoundVolumeEntries[] = { 0.8f, 0.8f, 0.8f, 0.8f, 0.8f, 0.8f, 0.8f, 0.8f, 0.8f, 0.8f, 0.8f };
void I_InitSoundChannel( int channel, int numOutputChannels_ );
/*
======================
getsfx
======================
*/
// This function loads the sound data from the WAD lump,
// for single sound.
//
void* getsfx ( char* sfxname, int* len )
{
unsigned char* sfx;
unsigned char* sfxmem;
int size;
char name[20];
int sfxlump;
float scale = 1.0f;
// Get the sound data from the WAD, allocate lump
// in zone memory.
sprintf(name, "ds%s", sfxname);
// Scale down the plasma gun, it clips
if ( strcmp( sfxname, "plasma" ) == 0 ) {
scale = 0.75f;
}
if ( strcmp( sfxname, "itemup" ) == 0 ) {
scale = 1.333f;
}
// If sound requested is not found in current WAD, use pistol as default
if ( W_CheckNumForName(name) == -1 )
sfxlump = W_GetNumForName("dspistol");
else
sfxlump = W_GetNumForName(name);
// Sound lump headers are 8 bytes.
const int SOUND_LUMP_HEADER_SIZE_IN_BYTES = 8;
size = W_LumpLength( sfxlump ) - SOUND_LUMP_HEADER_SIZE_IN_BYTES;
sfx = (unsigned char*)W_CacheLumpNum( sfxlump, PU_CACHE_SHARED );
const unsigned char * sfxSampleStart = sfx + SOUND_LUMP_HEADER_SIZE_IN_BYTES;
// Allocate from zone memory.
//sfxmem = (float*)DoomLib::Z_Malloc( size*(sizeof(float)), PU_SOUND_SHARED, 0 );
sfxmem = (unsigned char*)malloc( size * sizeof(unsigned char) );
// Now copy, and convert to Xbox360 native float samples, do initial volume ramp, and scale
for ( int i=0; i<size; i++ ) {
sfxmem[i] = sfxSampleStart[i];// * scale;
}
// Remove the cached lump.
Z_Free( sfx );
// Set length.
*len = size;
// Return allocated padded data.
return (void *) (sfxmem);
}
/*
======================
I_SetChannels
======================
*/
void I_SetChannels() {
// Original Doom set up lookup tables here
}
/*
======================
I_SetSfxVolume
======================
*/
void I_SetSfxVolume(int volume) {
x_SoundVolume = ((float)volume / 15.f) * GLOBAL_VOLUME_MULTIPLIER;
}
/*
======================
I_GetSfxLumpNum
======================
*/
//
// Retrieve the raw data lump index
// for a given SFX name.
//
int I_GetSfxLumpNum(sfxinfo_t* sfx)
{
char namebuf[9];
sprintf(namebuf, "ds%s", sfx->name);
return W_GetNumForName(namebuf);
}
/*
======================
I_StartSound2
======================
*/
// Starting a sound means adding it
// to the current list of active sounds
// in the internal channels.
// As the SFX info struct contains
// e.g. a pointer to the raw data,
// it is ignored.
// As our sound handling does not handle
// priority, it is ignored.
// Pitching (that is, increased speed of playback) is set
//
int I_StartSound2 ( int id, int player, mobj_t *origin, mobj_t *listener_origin, int pitch, int priority ) {
if ( !soundHardwareInitialized ) {
return id;
}
int i;
XAUDIO2_VOICE_STATE state;
activeSound_t* sound = 0;
int oldest = 0, oldestnum = -1;
// these id's should not overlap
if ( id == sfx_sawup || id == sfx_sawidl || id == sfx_sawful || id == sfx_sawhit || id == sfx_stnmov ) {
// Loop all channels, check.
for (i=0 ; i < NUM_SOUNDBUFFERS ; i++)
{
sound = &activeSounds[i];
if (sound->valid && ( sound->id == id && sound->player == player ) ) {
I_StopSound( sound->id, player );
break;
}
}
}
// find a valid channel, or one that has finished playing
for (i = 0; i < NUM_SOUNDBUFFERS; ++i) {
sound = &activeSounds[i];
if (!sound->valid)
break;
if (!oldest || oldest > sound->start) {
oldestnum = i;
oldest = sound->start;
}
sound->m_pSourceVoice->GetState( &state );
if ( state.BuffersQueued == 0 ) {
break;
}
}
// none found, so use the oldest one
if (i == NUM_SOUNDBUFFERS)
{
i = oldestnum;
sound = &activeSounds[i];
}
// stop the sound with a FlushPackets
sound->m_pSourceVoice->Stop();
sound->m_pSourceVoice->FlushSourceBuffers();
// Set up packet
XAUDIO2_BUFFER Packet = { 0 };
Packet.Flags = XAUDIO2_END_OF_STREAM;
Packet.AudioBytes = lengths[id];
Packet.pAudioData = (BYTE*)S_sfx[id].data;
Packet.PlayBegin = 0;
Packet.PlayLength = 0;
Packet.LoopBegin = XAUDIO2_NO_LOOP_REGION;
Packet.LoopLength = 0;
Packet.LoopCount = 0;
Packet.pContext = NULL;
// Set voice volumes
sound->m_pSourceVoice->SetVolume( x_SoundVolume );
// Set voice pitch
sound->m_pSourceVoice->SetFrequencyRatio( 1 + ((float)pitch-128.f)/95.f );
// Set initial spatialization
if ( origin && origin != listener_origin ) {
// Update Emitter Position
sound->m_Emitter.Position.x = (float)(origin->x >> FRACBITS);
sound->m_Emitter.Position.y = 0.f;
sound->m_Emitter.Position.z = (float)(origin->y >> FRACBITS);
// Calculate 3D positioned speaker volumes
DWORD dwCalculateFlags = X3DAUDIO_CALCULATE_MATRIX;
X3DAudioCalculate( X3DAudioInstance, &doom_Listener, &sound->m_Emitter, dwCalculateFlags, &sound->m_DSPSettings );
// Pan the voice according to X3DAudio calculation
sound->m_pSourceVoice->SetOutputMatrix( NULL, 1, numOutputChannels, sound->m_DSPSettings.pMatrixCoefficients );
sound->localSound = false;
} else {
// Local(or Global) sound, fixed speaker volumes
sound->m_pSourceVoice->SetOutputMatrix( NULL, 1, numOutputChannels, localSoundVolumeEntries );
sound->localSound = true;
}
// Submit packet
HRESULT hr;
if( FAILED( hr = sound->m_pSourceVoice->SubmitSourceBuffer( &Packet ) ) ) {
int fail = 1;
}
// Play the source voice
if( FAILED( hr = sound->m_pSourceVoice->Start( 0 ) ) ) {
int fail = 1;
}
// set id, and start time
sound->id = id;
sound->start = ::g->gametic;
sound->valid = 1;
sound->player = player;
sound->originator = origin;
return id;
}
/*
======================
I_ProcessSoundEvents
======================
*/
void I_ProcessSoundEvents( void ) {
for( int i = 0; i < 128; i++ ) {
if( soundEvents[i].pitch ) {
I_StartSound2( i, soundEvents[i].player, soundEvents[i].originator, soundEvents[i].listener, soundEvents[i].pitch, soundEvents[i].priority );
}
}
memset( soundEvents, 0, sizeof( soundEvents ) );
}
/*
======================
I_StartSound
======================
*/
int I_StartSound ( int id, mobj_t *origin, mobj_t *listener_origin, int vol, int pitch, int priority ) {
// only allow player 0s sounds in intermission and finale screens
if( ::g->gamestate != GS_LEVEL && DoomLib::GetPlayer() != 0 ) {
return 0;
}
// if we're only one player or we're trying to play the chainsaw sound, do it normal
// otherwise only allow one sound of each type per frame
if( PLAYERCOUNT == 1 || id == sfx_sawup || id == sfx_sawidl || id == sfx_sawful || id == sfx_sawhit ) {
return I_StartSound2( id, ::g->consoleplayer, origin, listener_origin, pitch, priority );
}
else {
if( soundEvents[ id ].vol < vol ) {
soundEvents[ id ].player = DoomLib::GetPlayer();
soundEvents[ id ].pitch = pitch;
soundEvents[ id ].priority = priority;
soundEvents[ id ].vol = vol;
soundEvents[ id ].originator = origin;
soundEvents[ id ].listener = listener_origin;
}
return id;
}
}
/*
======================
I_StopSound
======================
*/
void I_StopSound (int handle, int player)
{
// You need the handle returned by StartSound.
// Would be looping all channels,
// tracking down the handle,
// an setting the channel to zero.
int i;
activeSound_t* sound = 0;
for (i = 0; i < NUM_SOUNDBUFFERS; ++i)
{
sound = &activeSounds[i];
if (!sound->valid || sound->id != handle || (player >= 0 && sound->player != player) )
continue;
break;
}
if (i == NUM_SOUNDBUFFERS)
return;
// stop the sound
if ( sound->m_pSourceVoice != NULL ) {
sound->m_pSourceVoice->Stop( 0 );
}
sound->valid = 0;
sound->player = -1;
}
/*
======================
I_SoundIsPlaying
======================
*/
int I_SoundIsPlaying(int handle) {
if ( !soundHardwareInitialized ) {
return 0;
}
int i;
XAUDIO2_VOICE_STATE state;
activeSound_t* sound;
for (i = 0; i < NUM_SOUNDBUFFERS; ++i)
{
sound = &activeSounds[i];
if (!sound->valid || sound->id != handle)
continue;
sound->m_pSourceVoice->GetState( &state );
if ( state.BuffersQueued > 0 ) {
return 1;
}
}
return 0;
}
/*
======================
I_UpdateSound
======================
*/
// Update Listener Position and go through all the
// channels and update speaker volumes for 3D sound.
void I_UpdateSound( void ) {
if ( !soundHardwareInitialized ) {
return;
}
int i;
XAUDIO2_VOICE_STATE state;
activeSound_t* sound;
for ( i=0; i < NUM_SOUNDBUFFERS; i++ ) {
sound = &activeSounds[i];
if ( !sound->valid || sound->localSound ) {
continue;
}
sound->m_pSourceVoice->GetState( &state );
if ( state.BuffersQueued > 0 ) {
mobj_t *playerObj = ::g->players[ sound->player ].mo;
// Update Listener Orientation and Position
angle_t pAngle = playerObj->angle;
fixed_t fx, fz;
pAngle >>= ANGLETOFINESHIFT;
fx = finecosine[pAngle];
fz = finesine[pAngle];
doom_Listener.OrientFront.x = (float)(fx) / 65535.f;
doom_Listener.OrientFront.y = 0.f;
doom_Listener.OrientFront.z = (float)(fz) / 65535.f;
doom_Listener.Position.x = (float)(playerObj->x >> FRACBITS);
doom_Listener.Position.y = 0.f;
doom_Listener.Position.z = (float)(playerObj->y >> FRACBITS);
// Update Emitter Position
sound->m_Emitter.Position.x = (float)(sound->originator->x >> FRACBITS);
sound->m_Emitter.Position.y = 0.f;
sound->m_Emitter.Position.z = (float)(sound->originator->y >> FRACBITS);
// Calculate 3D positioned speaker volumes
DWORD dwCalculateFlags = X3DAUDIO_CALCULATE_MATRIX;
X3DAudioCalculate( X3DAudioInstance, &doom_Listener, &sound->m_Emitter, dwCalculateFlags, &sound->m_DSPSettings );
// Pan the voice according to X3DAudio calculation
sound->m_pSourceVoice->SetOutputMatrix( NULL, 1, numOutputChannels, sound->m_DSPSettings.pMatrixCoefficients );
}
}
}
/*
======================
I_UpdateSoundParams
======================
*/
void I_UpdateSoundParams( int handle, int vol, int sep, int pitch) {
}
/*
======================
I_ShutdownSound
======================
*/
void I_ShutdownSound(void) {
int done = 0;
int i;
if ( S_initialized ) {
// Stop all sounds, but don't destroy the XAudio2 buffers.
for ( i = 0; i < NUM_SOUNDBUFFERS; ++i ) {
activeSound_t * sound = &activeSounds[i];
if ( sound == NULL ) {
continue;
}
I_StopSound( sound->id, 0 );
if ( sound->m_pSourceVoice ) {
sound->m_pSourceVoice->FlushSourceBuffers();
}
}
for (i=1 ; i<NUMSFX ; i++) {
if ( S_sfx[i].data && !(S_sfx[i].link) ) {
//Z_Free( S_sfx[i].data );
free( S_sfx[i].data );
}
}
}
I_StopSong( 0 );
S_initialized = 0;
// Done.
return;
}
/*
======================
I_InitSoundHardware
Called from the tech4x initialization code. Sets up Doom classic's
sound channels.
======================
*/
void I_InitSoundHardware( int numOutputChannels_, int channelMask ) {
::numOutputChannels = numOutputChannels_;
// Initialize the X3DAudio
// Speaker geometry configuration on the final mix, specifies assignment of channels
// to speaker positions, defined as per WAVEFORMATEXTENSIBLE.dwChannelMask
// SpeedOfSound - not used by doomclassic
X3DAudioInitialize( channelMask, 340.29f, X3DAudioInstance );
for ( int i = 0; i < NUM_SOUNDBUFFERS; ++i ) {
// Initialize source voices
I_InitSoundChannel( i, numOutputChannels );
}
I_InitMusic();
soundHardwareInitialized = true;
}
/*
======================
I_ShutdownitSoundHardware
Called from the tech4x shutdown code. Tears down Doom classic's
sound channels.
======================
*/
void I_ShutdownSoundHardware() {
soundHardwareInitialized = false;
I_ShutdownMusic();
for ( int i = 0; i < NUM_SOUNDBUFFERS; ++i ) {
activeSound_t * sound = &activeSounds[i];
if ( sound == NULL ) {
continue;
}
if ( sound->m_pSourceVoice ) {
sound->m_pSourceVoice->Stop();
sound->m_pSourceVoice->FlushSourceBuffers();
sound->m_pSourceVoice->DestroyVoice();
sound->m_pSourceVoice = NULL;
}
if ( sound->m_DSPSettings.pMatrixCoefficients ) {
delete [] sound->m_DSPSettings.pMatrixCoefficients;
sound->m_DSPSettings.pMatrixCoefficients = NULL;
}
}
}
/*
======================
I_InitSoundChannel
======================
*/
void I_InitSoundChannel( int channel, int numOutputChannels_ ) {
activeSound_t *soundchannel = &activeSounds[ channel ];
X3DAUDIO_VECTOR ZeroVector = { 0.0f, 0.0f, 0.0f };
// Set up emitter parameters
soundchannel->m_Emitter.OrientFront.x = 0.0f;
soundchannel->m_Emitter.OrientFront.y = 0.0f;
soundchannel->m_Emitter.OrientFront.z = 1.0f;
soundchannel->m_Emitter.OrientTop.x = 0.0f;
soundchannel->m_Emitter.OrientTop.y = 1.0f;
soundchannel->m_Emitter.OrientTop.z = 0.0f;
soundchannel->m_Emitter.Position = ZeroVector;
soundchannel->m_Emitter.Velocity = ZeroVector;
soundchannel->m_Emitter.pCone = &(soundchannel->m_Cone);
soundchannel->m_Emitter.pCone->InnerAngle = 0.0f; // Setting the inner cone angles to X3DAUDIO_2PI and
// outer cone other than 0 causes
// the emitter to act like a point emitter using the
// INNER cone settings only.
soundchannel->m_Emitter.pCone->OuterAngle = 0.0f; // Setting the outer cone angles to zero causes
// the emitter to act like a point emitter using the
// OUTER cone settings only.
soundchannel->m_Emitter.pCone->InnerVolume = 0.0f;
soundchannel->m_Emitter.pCone->OuterVolume = 1.0f;
soundchannel->m_Emitter.pCone->InnerLPF = 0.0f;
soundchannel->m_Emitter.pCone->OuterLPF = 1.0f;
soundchannel->m_Emitter.pCone->InnerReverb = 0.0f;
soundchannel->m_Emitter.pCone->OuterReverb = 1.0f;
soundchannel->m_Emitter.ChannelCount = 1;
soundchannel->m_Emitter.ChannelRadius = 0.0f;
soundchannel->m_Emitter.pVolumeCurve = NULL;
soundchannel->m_Emitter.pLFECurve = NULL;
soundchannel->m_Emitter.pLPFDirectCurve = NULL;
soundchannel->m_Emitter.pLPFReverbCurve = NULL;
soundchannel->m_Emitter.pReverbCurve = NULL;
soundchannel->m_Emitter.CurveDistanceScaler = 1200.0f;
soundchannel->m_Emitter.DopplerScaler = 1.0f;
soundchannel->m_Emitter.pChannelAzimuths = g_EmitterAzimuths;
soundchannel->m_DSPSettings.SrcChannelCount = 1;
soundchannel->m_DSPSettings.DstChannelCount = numOutputChannels_;
soundchannel->m_DSPSettings.pMatrixCoefficients = new FLOAT[ numOutputChannels_ ];
// Create Source voice
WAVEFORMATEX voiceFormat = {0};
voiceFormat.wFormatTag = WAVE_FORMAT_PCM;
voiceFormat.nChannels = 1;
voiceFormat.nSamplesPerSec = 11025;
voiceFormat.nAvgBytesPerSec = 11025;
voiceFormat.nBlockAlign = 1;
voiceFormat.wBitsPerSample = 8;
voiceFormat.cbSize = 0;
soundSystemLocal.hardware.GetIXAudio2()->CreateSourceVoice( &soundchannel->m_pSourceVoice, (WAVEFORMATEX *)&voiceFormat );
}
/*
======================
I_InitSound
======================
*/
void I_InitSound() {
if (S_initialized == 0) {
int i;
X3DAUDIO_VECTOR ZeroVector = { 0.0f, 0.0f, 0.0f };
// Set up listener parameters
doom_Listener.OrientFront.x = 0.0f;
doom_Listener.OrientFront.y = 0.0f;
doom_Listener.OrientFront.z = 1.0f;
doom_Listener.OrientTop.x = 0.0f;
doom_Listener.OrientTop.y = 1.0f;
doom_Listener.OrientTop.z = 0.0f;
doom_Listener.Position = ZeroVector;
doom_Listener.Velocity = ZeroVector;
for (i=1 ; i<NUMSFX ; i++)
{
// Alias? Example is the chaingun sound linked to pistol.
if (!S_sfx[i].link)
{
// Load data from WAD file.
S_sfx[i].data = getsfx( S_sfx[i].name, &lengths[i] );
}
else
{
// Previously loaded already?
S_sfx[i].data = S_sfx[i].link->data;
lengths[i] = lengths[(S_sfx[i].link - S_sfx)/sizeof(sfxinfo_t)];
}
}
S_initialized = 1;
}
}
/*
======================
I_SubmitSound
======================
*/
void I_SubmitSound(void)
{
// Only do this for player 0, it will still handle positioning
// for other players, but it can't be outside the game
// frame like the soundEvents are.
if ( DoomLib::GetPlayer() == 0 ) {
// Do 3D positioning of sounds
I_UpdateSound();
// Check for XMP notifications
I_UpdateMusic();
}
}
// =========================================================
// =========================================================
// Background Music
// =========================================================
// =========================================================
/*
======================
I_SetMusicVolume
======================
*/
void I_SetMusicVolume(int volume)
{
x_MusicVolume = (float)volume / 15.f;
}
/*
======================
I_InitMusic
======================
*/
void I_InitMusic(void)
{
if ( !Music_initialized ) {
// Initialize Timidity
Timidity_Init( MIDI_RATE, MIDI_FORMAT, MIDI_CHANNELS, MIDI_RATE, "classicmusic/gravis.cfg" );
hMusicThread = NULL;
musicBuffer = NULL;
totalBufferSize = 0;
waitingForMusic = false;
musicReady = false;
// Create Source voice
WAVEFORMATEX voiceFormat = {0};
voiceFormat.wFormatTag = WAVE_FORMAT_PCM;
voiceFormat.nChannels = 2;
voiceFormat.nSamplesPerSec = MIDI_RATE;
voiceFormat.nAvgBytesPerSec = MIDI_RATE * MIDI_FORMAT_BYTES * 2;
voiceFormat.nBlockAlign = MIDI_FORMAT_BYTES * 2;
voiceFormat.wBitsPerSample = MIDI_FORMAT_BYTES * 8;
voiceFormat.cbSize = 0;
soundSystemLocal.hardware.GetIXAudio2()->CreateSourceVoice( &pMusicSourceVoice, (WAVEFORMATEX *)&voiceFormat, XAUDIO2_VOICE_MUSIC );
Music_initialized = true;
}
}
/*
======================
I_ShutdownMusic
======================
*/
void I_ShutdownMusic(void)
{
I_StopSong( 0 );
if ( Music_initialized ) {
if ( pMusicSourceVoice ) {
pMusicSourceVoice->Stop();
pMusicSourceVoice->FlushSourceBuffers();
pMusicSourceVoice->DestroyVoice();
pMusicSourceVoice = NULL;
}
if ( hMusicThread ) {
DWORD rc;
do {
GetExitCodeThread( hMusicThread, &rc );
if ( rc == STILL_ACTIVE ) {
Sleep( 1 );
}
} while( rc == STILL_ACTIVE );
CloseHandle( hMusicThread );
}
if ( musicBuffer ) {
free( musicBuffer );
}
Timidity_Shutdown();
}
pMusicSourceVoice = NULL;
hMusicThread = NULL;
musicBuffer = NULL;
totalBufferSize = 0;
waitingForMusic = false;
musicReady = false;
Music_initialized = false;
}
int Mus2Midi(unsigned char* bytes, unsigned char* out, int* len);
namespace {
const int MaxMidiConversionSize = 1024 * 1024;
unsigned char midiConversionBuffer[MaxMidiConversionSize];
}
/*
======================
I_LoadSong
======================
*/
DWORD WINAPI I_LoadSong( LPVOID songname ) {
idStr lumpName = "d_";
lumpName += static_cast< const char * >( songname );
unsigned char * musFile = static_cast< unsigned char * >( W_CacheLumpName( lumpName.c_str(), PU_STATIC_SHARED ) );
int length = 0;
Mus2Midi( musFile, midiConversionBuffer, &length );
doomMusic = Timidity_LoadSongMem( midiConversionBuffer, length );
if ( doomMusic ) {
musicBuffer = (byte *)malloc( MIDI_CHANNELS * MIDI_FORMAT_BYTES * doomMusic->samples );
totalBufferSize = doomMusic->samples * MIDI_CHANNELS * MIDI_FORMAT_BYTES;
Timidity_Start( doomMusic );
int rc = RC_NO_RETURN_VALUE;
int num_bytes = 0;
int offset = 0;
do {
rc = Timidity_PlaySome( musicBuffer + offset, MIDI_RATE, &num_bytes );
offset += num_bytes;
} while ( rc != RC_TUNE_END );
Timidity_Stop();
Timidity_FreeSong( doomMusic );
}
musicReady = true;
return ERROR_SUCCESS;
}
/*
======================
I_PlaySong
======================
*/
void I_PlaySong( const char *songname, int looping)
{
if ( !Music_initialized ) {
return;
}
if ( pMusicSourceVoice != NULL ) {
// Stop the voice and flush packets before freeing the musicBuffer
pMusicSourceVoice->Stop();
pMusicSourceVoice->FlushSourceBuffers();
}
// Make sure voice is stopped before we free the buffer
bool isStopped = false;
int d = 0;
while ( !isStopped ) {
XAUDIO2_VOICE_STATE test;
if ( pMusicSourceVoice != NULL ) {
pMusicSourceVoice->GetState( &test );
}
if ( test.pCurrentBufferContext == NULL && test.BuffersQueued == 0 ) {
isStopped = true;
}
//I_Printf( "waiting to stop (%d)\n", d++ );
}
// Clear old state
if ( musicBuffer != NULL ) {
free( musicBuffer );
musicBuffer = NULL;
}
musicReady = false;
I_LoadSong( (LPVOID)songname );
waitingForMusic = true;
if ( DoomLib::GetPlayer() >= 0 ) {
::g->mus_looping = looping;
}
}
/*
======================
I_UpdateMusic
======================
*/
void I_UpdateMusic( void ) {
if ( !Music_initialized ) {
return;
}
if ( waitingForMusic ) {
if ( musicReady && pMusicSourceVoice != NULL ) {
if ( musicBuffer ) {
// Set up packet
XAUDIO2_BUFFER Packet = { 0 };
Packet.Flags = XAUDIO2_END_OF_STREAM;
Packet.AudioBytes = totalBufferSize;
Packet.pAudioData = (BYTE*)musicBuffer;
Packet.PlayBegin = 0;
Packet.PlayLength = 0;
Packet.LoopBegin = 0;
Packet.LoopLength = 0;
Packet.LoopCount = ::g->mus_looping ? XAUDIO2_LOOP_INFINITE : 0;
Packet.pContext = NULL;
// Submit packet
HRESULT hr;
if( FAILED( hr = pMusicSourceVoice->SubmitSourceBuffer( &Packet ) ) ) {
int fail = 1;
}
// Play the source voice
if( FAILED( hr = pMusicSourceVoice->Start( 0 ) ) ) {
int fail = 1;
}
}
waitingForMusic = false;
}
}
if ( pMusicSourceVoice != NULL ) {
// Set the volume
pMusicSourceVoice->SetVolume( x_MusicVolume * GLOBAL_VOLUME_MULTIPLIER );
}
}
/*
======================
I_PauseSong
======================
*/
void I_PauseSong (int handle)
{
if ( !Music_initialized ) {
return;
}
if ( pMusicSourceVoice != NULL ) {
// Stop the music source voice
pMusicSourceVoice->Stop( 0 );
}
}
/*
======================
I_ResumeSong
======================
*/
void I_ResumeSong (int handle)
{
if ( !Music_initialized ) {
return;
}
// Stop the music source voice
if ( pMusicSourceVoice != NULL ) {
pMusicSourceVoice->Start( 0 );
}
}
/*
======================
I_StopSong
======================
*/
void I_StopSong(int handle)
{
if ( !Music_initialized ) {
return;
}
// Stop the music source voice
if ( pMusicSourceVoice != NULL ) {
pMusicSourceVoice->Stop( 0 );
}
}
/*
======================
I_UnRegisterSong
======================
*/
void I_UnRegisterSong(int handle)
{
// does nothing
}
/*
======================
I_RegisterSong
======================
*/
int I_RegisterSong(void* data, int length)
{
// does nothing
return 0;
}