mirror of
https://github.com/ZDoom/qzdoom-gpl.git
synced 2024-11-17 17:50:57 +00:00
441 lines
9.2 KiB
C++
441 lines
9.2 KiB
C++
/*
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** i_music.cpp
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** Plays music
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**
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**---------------------------------------------------------------------------
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** Copyright 1998-2005 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#ifdef _WIN32
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#define WIN32_LEAN_AND_MEAN
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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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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <unistd.h>
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#include <wordexp.h>
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#include <stdio.h>
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#include "mus2midi.h"
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#define FALSE 0
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#define TRUE 1
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extern void ChildSigHandler (int signum);
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#endif
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#include <ctype.h>
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#include <assert.h>
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#include <stdio.h>
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#include "doomtype.h"
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#include "m_argv.h"
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#include "i_music.h"
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#include "i_musicinterns.h"
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#include "w_wad.h"
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#include "c_console.h"
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#include "c_dispatch.h"
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#include "i_system.h"
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#include "i_sound.h"
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#include "m_swap.h"
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#include "i_cd.h"
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#include "tempfiles.h"
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#include "templates.h"
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#include <fmod.h>
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EXTERN_CVAR (Float, snd_midivolume)
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EXTERN_CVAR (Int, snd_samplerate)
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EXTERN_CVAR (Int, snd_mididevice)
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void Enable_FSOUND_IO_Loader ();
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void Disable_FSOUND_IO_Loader ();
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static bool MusicDown = true;
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MusInfo *currSong;
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int nomusic = 0;
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float relative_volume = 1.0f;
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float saved_relative_volume = 1.0f; // this could be used to implement an ACS FadeMusic function
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//==========================================================================
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//
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// CVAR snd_musicvolume
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//
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// Maximum volume of MOD/stream music.
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//==========================================================================
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CUSTOM_CVAR (Float, snd_musicvolume, 0.3f, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
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{
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if (self < 0.f)
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self = 0.f;
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else if (self > 1.f)
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self = 1.f;
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else if (currSong != NULL && !currSong->IsMIDI ())
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currSong->SetVolume (clamp<float>(self*relative_volume, 0.0f, 1.0f));
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}
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MusInfo::~MusInfo ()
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{
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}
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bool MusInfo::SetPosition (int order)
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{
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return false;
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}
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void I_InitMusic (void)
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{
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static bool setatterm = false;
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snd_musicvolume.Callback ();
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nomusic = !!Args.CheckParm("-nomusic") || !!Args.CheckParm("-nosound");
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#ifdef _WIN32
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I_InitMusicWin32 ();
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#endif // _WIN32
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if (!setatterm)
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{
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setatterm = true;
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atterm (I_ShutdownMusic);
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#ifndef _WIN32
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signal (SIGCHLD, ChildSigHandler);
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#endif
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}
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MusicDown = false;
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}
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void STACK_ARGS I_ShutdownMusic(void)
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{
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if (MusicDown)
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return;
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MusicDown = true;
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if (currSong)
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{
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S_StopMusic (true);
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assert (currSong == NULL);
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}
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#ifdef _WIN32
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I_ShutdownMusicWin32 ();
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#endif // _WIN32
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}
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void I_PlaySong (void *handle, int _looping, float rel_vol)
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{
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MusInfo *info = (MusInfo *)handle;
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if (!info || nomusic)
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return;
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saved_relative_volume = relative_volume = rel_vol;
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info->Stop ();
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info->Play (_looping ? true : false);
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if (info->m_Status == MusInfo::STATE_Playing)
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currSong = info;
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else
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currSong = NULL;
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}
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void I_PauseSong (void *handle)
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{
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MusInfo *info = (MusInfo *)handle;
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if (info)
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info->Pause ();
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}
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void I_ResumeSong (void *handle)
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{
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MusInfo *info = (MusInfo *)handle;
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if (info)
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info->Resume ();
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}
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void I_StopSong (void *handle)
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{
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MusInfo *info = (MusInfo *)handle;
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if (info)
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info->Stop ();
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if (info == currSong)
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currSong = NULL;
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}
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void I_UnRegisterSong (void *handle)
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{
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MusInfo *info = (MusInfo *)handle;
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if (info)
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{
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delete info;
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}
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}
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void *I_RegisterSong (const char *filename, int offset, int len)
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{
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FILE *file;
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MusInfo *info = NULL;
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DWORD id;
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if (nomusic)
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{
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return 0;
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}
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file = fopen (filename, "rb");
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if (file == NULL)
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{
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return 0;
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}
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if (len == 0 && offset == 0)
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{
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fseek (file, 0, SEEK_END);
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len = ftell (file);
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fseek (file, 0, SEEK_SET);
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}
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else
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{
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fseek (file, offset, SEEK_SET);
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}
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if (fread (&id, 4, 1, file) != 1)
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{
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fclose (file);
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return 0;
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}
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fseek (file, -4, SEEK_CUR);
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// Check for MUS format
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if (id == MAKE_ID('M','U','S',0x1a))
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{
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if (GSnd != NULL && opl_enable)
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{
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info = new OPLMUSSong (file, len);
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}
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if (info == NULL)
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{
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#ifdef _WIN32
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if (snd_mididevice != -2)
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{
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info = new MUSSong2 (file, len);
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}
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else if (GSnd != NULL)
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#endif // _WIN32
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{
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info = new TimiditySong (file, len);
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}
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}
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}
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// Check for MIDI format
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else if (id == MAKE_ID('M','T','h','d'))
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{
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#ifdef _WIN32
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if (snd_mididevice != -2)
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{
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info = new MIDISong2 (file, len);
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}
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else if (GSnd != NULL)
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#endif // _WIN32
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{
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info = new TimiditySong (file, len);
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}
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}
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// Check for SPC format
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#ifdef _WIN32
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else if (id == MAKE_ID('S','N','E','S') && len >= 66048)
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{
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char header[0x23];
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if (fread (header, 1, 0x23, file) != 0x23)
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{
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fclose (file);
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return 0;
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}
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fseek (file, -0x23, SEEK_CUR);
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if (strncmp (header+4, "-SPC700 Sound File Data", 23) == 0)
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{
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info = new SPCSong (file, len);
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}
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}
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#endif
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// Check for FLAC format
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else if (id == MAKE_ID('f','L','a','C'))
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{
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info = new FLACSong (file, len);
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file = NULL;
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}
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// Check for RDosPlay raw OPL format
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else if (id == MAKE_ID('R','A','W','A') && len >= 12)
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{
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DWORD fullsig[2];
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if (fread (fullsig, 4, 2, file) != 2)
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{
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fclose (file);
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return 0;
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}
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fseek (file, -8, SEEK_CUR);
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if (fullsig[1] == MAKE_ID('D','A','T','A'))
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{
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info = new OPLMUSSong (file, len);
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}
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}
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// Check for Martin Fernandez's modified IMF format
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else if (id == MAKE_ID('A','D','L','I'))
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{
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char fullhead[6];
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if (fread (fullhead, 1, 6, file) != 6)
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{
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fclose (file);
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return 0;
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}
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fseek (file, -6, SEEK_CUR);
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if (fullhead[4] == 'B' && fullhead[5] == 1)
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{
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info = new OPLMUSSong (file, len);
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}
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}
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if (info == NULL)
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{
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// Check for CDDA "format"
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if (id == (('R')|(('I')<<8)|(('F')<<16)|(('F')<<24)))
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{
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DWORD subid;
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fseek (file, 8, SEEK_CUR);
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if (fread (&subid, 4, 1, file) != 1)
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{
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fclose (file);
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return 0;
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}
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fseek (file, -12, SEEK_CUR);
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if (subid == (('C')|(('D')<<8)|(('D')<<16)|(('A')<<24)))
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{
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// This is a CDDA file
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info = new CDDAFile (file, len);
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}
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}
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// no FMOD => no modules/streams
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// 1024 bytes is an arbitrary restriction. It's assumed that anything
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// smaller than this can't possibly be a valid music file if it hasn't
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// been identified already, so don't even bother trying to load it.
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if (info == NULL && GSnd != NULL && len >= 1024)
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{
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// First try loading it as MOD, then as a stream
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fclose (file);
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file = NULL;
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info = new MODSong (filename, offset, len);
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if (!info->IsValid ())
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{
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delete info;
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info = new StreamSong (filename, offset, len);
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}
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}
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}
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if (info && !info->IsValid ())
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{
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delete info;
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info = NULL;
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}
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if (file != NULL)
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{
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fclose (file);
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}
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return info;
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}
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void *I_RegisterCDSong (int track, int id)
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{
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MusInfo *info = new CDSong (track, id);
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if (info && !info->IsValid ())
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{
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delete info;
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info = NULL;
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}
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return info;
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}
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// Is the song playing?
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bool I_QrySongPlaying (void *handle)
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{
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MusInfo *info = (MusInfo *)handle;
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return info ? info->IsPlaying () : false;
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}
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// Change to a different part of the song
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bool I_SetSongPosition (void *handle, int order)
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{
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MusInfo *info = (MusInfo *)handle;
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return info ? info->SetPosition (order) : false;
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}
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// Sets relative music volume. Takes $musicvolume in SNDINFO into consideration
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void I_SetMusicVolume (float factor)
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{
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factor = clamp<float>(factor, 0, 2.0f);
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relative_volume = saved_relative_volume * factor;
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#ifdef _WIN32
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snd_midivolume.Callback();
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#endif
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snd_musicvolume.Callback();
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}
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CCMD(testmusicvol)
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{
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if (argv.argc() > 1)
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{
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relative_volume = (float)strtod(argv[1], NULL);
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#ifdef _WIN32
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snd_midivolume.Callback();
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#endif
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snd_musicvolume.Callback();
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}
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}
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