scp-fs2open/fs2open.github.com
1
0 Fork 0
mirror of https://github.com/scp-fs2open/fs2open.github.com.git synced 2026-11-11 04:31:35 -10:00
Code Issues Packages Projects Releases 1 Wiki Activity
Files
29eb660e83cf2b2a3dde99b00a27efba7d40638e
fs2open.github.com/code/sound/sound.cpp
T
taylor 36005939b2 an extra bounds check in sound.cpp 
fix audiostr error when filename is !NULL but 0 in len might hit on SDL debug code
2005-05-24 03:11:38 +00:00

1759 lines
45 KiB
C++
Raw Blame History

/*
* Copyright (C) Volition, Inc. 1999. All rights reserved.
*
* All source code herein is the property of Volition, Inc. You may not sell
* or otherwise commercially exploit the source or things you created based on the
* source.
*
*/
/*
* $Logfile: /Freespace2/code/Sound/Sound.cpp $
* $Revision: 2.28 $
* $Date: 2005-05-24 03:11:38 $
* $Author: taylor $
*
* Low-level sound code
*
* $Log: not supported by cvs2svn $
* Revision 2.27 2005/05/23 04:58:43 phreak
* fix out of bounds error
*
* Revision 2.26 2005/05/15 06:47:57 taylor
* don't let the ogg callbacks close the file handle on us, let us do it ourselves to keep things straight
*
* Revision 2.25 2005/05/14 21:34:17 phreak
* fixed an out-of-bounds array bug
*
* Revision 2.24 2005/05/12 17:49:17 taylor
* use vm_malloc(), vm_free(), vm_realloc(), vm_strdup() rather than system named macros
* fixes various problems and is past time to make the switch
*
* Revision 2.23 2005/04/18 03:31:27 taylor
* some extra checks to make sure we don't act on invalid gamesnds (fix for WCS)
*
* Revision 2.22 2005/04/15 11:28:41 taylor
* div-by-zero fix for snd_time_remaining()
*
* Revision 2.21 2005/04/05 11:48:23 taylor
* remove acm-unix.cpp, replaced by acm-openal.cpp since it's properly cross-platform now
* better error handling for OpenAL functions
* Windows can now build properly with OpenAL
* extra check to make sure we don't try and use too many hardware bases sources
* fix memory error from OpenAL extension list in certain instances
*
* Revision 2.20 2005/04/05 05:53:25 taylor
* s/vector/vec3d/g, better support for different compilers (Jens Granseuer)
*
* Revision 2.19 2005/04/01 07:33:08 taylor
* fix hanging on exit with OpenAL
* some better error handling on OpenAL init and make it more Windows friendly too
* basic 3d sound stuff for OpenAL, not working right yet
*
* Revision 2.18 2005/03/28 00:40:09 taylor
* fix to snd_time_remaining() to make sure we are getting the correct index into Sounds[]
*
* Revision 2.17 2005/03/24 23:27:25 taylor
* make sounds.tbl dynamic
* have snd_time_remaining() be less stupid
* some OpenAL error fixerage
* be able to turn off some typically useless debug messages
*
* Revision 2.16 2005/03/14 23:31:54 wmcoolmon
* Hopefully this will fixx0r Num_sounds
*
* Revision 2.15 2005/03/14 06:38:31 wmcoolmon
* Whoops, this isn't needed.
*
* Revision 2.14 2005/03/14 06:33:38 wmcoolmon
* Made sounds dynamically allocated
*
* Revision 2.13 2005/03/03 06:05:32 wmcoolmon
* Merge of WMC's codebase. "Features and bugs, making Goober say "Grr!", as release would be stalled now for two months for sure"
*
* Revision 2.12 2005/02/02 10:36:23 taylor
* merge with Linux/OSX tree - p0202
*
* Revision 2.11 2005/01/08 09:59:10 wmcoolmon
* Sound quality in Freespace 2 is now controlled by SoundSampleBits, and SoundSampleRate. Also, some sounds will use hardware rather than software buffers if available.
*
* Revision 2.10 2004/12/25 00:23:46 wmcoolmon
* Ogg support for WIN32
*
* Revision 2.9 2004/07/26 20:47:52 Kazan
* remove MCD complete
*
* Revision 2.8 2004/07/12 16:33:06 Kazan
* MCD - define _MCD_CHECK to use memory tracking
*
* Revision 2.7 2004/06/28 02:13:08 bobboau
* high level index buffer suport and d3d implementation,
* OGL people need to get this working on your end as it's broke now
*
* Revision 2.6 2004/06/22 23:14:10 wmcoolmon
* Nonworking OGG support for sound (not music) added, disabled load-only-used-weapons code, modification to sound system registry code.
* OGG code has been commented out, so you don't need the SDK yet.
*
* Revision 2.5 2004/06/18 04:59:55 wmcoolmon
* Only used weapons paged in instead of all, fixed music box in FRED, sound quality settable with SoundSampleRate and SoundSampleBits registry values
*
* Revision 2.4 2004/03/05 09:01:59 Goober5000
* Uber pass at reducing #includes
* --Goober5000
*
* Revision 2.3 2003/03/02 06:37:24 penguin
* Use multimedia headers in local dir, not system's (headers are not present in MinGW distribution)
* - penguin
*
* Revision 2.2 2002/08/01 01:41:10 penguin
* The big include file move
*
* Revision 2.1 2002/07/07 19:56:00 penguin
* Back-port to MSVC
*
* Revision 2.0 2002/06/03 04:02:29 penguin
* Warpcore CVS sync
*
* Revision 1.1 2002/05/02 18:03:13 mharris
* Initial checkin - converted filenames and includes to lower case
*
*
* 9 9/12/99 8:09p Dave
* Fixed problem where skip-training button would cause mission messages
* not to get paged out for the current mission.
*
* 8 8/27/99 6:38p Alanl
* crush the blasted repeating messages bug
*
* 7 8/22/99 11:06p Alanl
* don't convert priority in snd_play_3d
*
* 6 8/04/99 9:48p Alanl
* fix bug with setting 3D properties on a 2D sound buffer
*
* 5 6/18/99 5:16p Dave
* Added real beam weapon lighting. Fixed beam weapon sounds. Added MOTD
* dialog to PXO screen.
*
* 4 5/23/99 8:11p Alanl
* Added support for EAX
*
* 3 1/29/99 12:47a Dave
* Put in sounds for beam weapon. A bunch of interface screens (tech
* database stuff).
*
* 2 10/07/98 10:54a Dave
* Initial checkin.
*
* 1 10/07/98 10:51a Dave
*
* 77 6/13/98 6:02p Hoffoss
* Externalized all new (or forgot to be added) strings to all the code.
*
* 76 5/23/98 9:27p Lawrance
* Change ACM failure message to use a message box, not a Warning()
*
* 75 5/15/98 3:36p John
* Fixed bug with new graphics window code and standalone server. Made
* hwndApp not be a global anymore.
*
* 74 5/12/98 5:39p Lawrance
* Increase MAX_SOUNDS to 175.. to account for missions with lots of voice
*
* 73 5/12/98 2:43p Lawrance
* Make snd_time_remaining() work for arbitrary format
*
* 72 5/11/98 2:02p Andsager
* doh!
*
* 71 5/11/98 1:56p Andsager
* increase min_range in snd_play_3d when range_factor is not 1.0
*
* 70 5/10/98 3:49p Sandeep
* Fix problem with having the audio streaming while trying to close down
* sound
*
* 69 5/09/98 10:48p Lawrance
* Default voice volume to 0.7
*
* 68 5/05/98 4:49p Lawrance
* Put in code to authenticate A3D, improve A3D support
*
* 67 4/25/98 12:01p Lawrance
* try to init sound for 5 seconds... to overcome conflicts with launch
* app sounds
*
* 66 4/20/98 12:03a Lawrance
* Allow prioritizing of CTRL3D buffers
*
* 65 4/19/98 9:30p Lawrance
* Use Aureal_enabled flag
*
* 64 4/18/98 9:12p Lawrance
* Added Aureal support.
*
* 63 4/14/98 3:29p John
* took out mprintf
*
* 62 4/13/98 5:04p Lawrance
* Write functions to determine how many milliseconds are left in a sound
*
* 61 4/09/98 5:53p Lawrance
* Make DirectSound init more robust
*
* 60 4/01/98 9:21p John
* Made NDEBUG, optimized build with no warnings or errors.
*
* 59 3/29/98 12:56a Lawrance
* preload the warp in and explosions sounds before a mission.
*
* 58 3/25/98 6:10p Lawrance
* Work on DirectSound3D
*
* 57 3/24/98 4:28p Lawrance
* Make DirectSound3D support more robust
*
* 56 3/23/98 10:32a Lawrance
* Add functions for extracting raw sound data
*
* 55 3/21/98 3:34p Lawrance
* Allow 3d sounds to have their ranges modified dynamically
*
* 54 3/19/98 5:36p Lawrance
* Add some sound debug functions to see how many sounds are playing, and
* to start/stop random looping sounds.
*
* 53 3/17/98 5:55p Lawrance
* Support object-linked sounds for asteroids.
*
* 52 2/20/98 8:32p Lawrance
* Add radius parm to sound_play_3d()
*
* 51 2/18/98 5:49p Lawrance
* Even if the ADPCM codec is unavailable, allow game to continue.
*
* 50 2/15/98 4:43p Lawrance
* work on real-time voice
*
* 49 2/06/98 7:30p John
* Added code to monitor the number of channels of sound actually playing.
*
* 48 2/05/98 9:21p John
* Some new Direct3D code. Added code to monitor a ton of stuff in the
* game.
*
* 47 1/31/98 5:57p Lawrance
* remove debug code that was stopping any sounds from playing
*
* 46 1/31/98 5:48p Lawrance
* Start on real-time voice recording
*
* 45 1/19/98 11:37p Lawrance
* Fixing Optimization build warnings
*
* 44 1/13/98 5:36p Lawrance
* Reduce default sound volume to 0.9.
*
* 43 1/11/98 11:14p Lawrance
* Preload sounds that we expect will get played.
*
* 42 1/10/98 1:14p John
* Added explanation to debug console commands
*
* 41 1/07/98 11:08a Lawrance
* pass priority to snd_play_raw()
*
* 40 12/21/97 4:33p John
* Made debug console functions a class that registers itself
* automatically, so you don't need to add the function to
* debugfunctions.cpp.
*
* 39 12/05/97 5:19p Lawrance
* re-do sound priorities to make more general and extensible
*
* 38 12/04/97 10:21a Lawrance
* if a 3D sound has priority, only play if above a minimum volume level
*
* 37 11/20/97 5:36p Dave
* Hooked in a bunch of main hall changes (including sound). Made it
* possible to reposition (rewind/ffwd)
* sound buffer pointers. Fixed animation direction change framerate
* problem.
*
* 36 11/20/97 1:06a Lawrance
* Add Master_voice_volume, make voices play back at correctly scaled
* volumes
*
* 35 11/12/97 4:40p Dave
* Put in multiplayer campaign support parsing, loading and saving. Made
* command-line variables better named. Changed some things on the initial
* pilot select screen.
*
* 34 10/14/97 11:33p Lawrance
* get RSX implemented
*
* 33 10/13/97 7:41p Lawrance
* store duration of sound
*
* 32 10/06/97 4:12p Lawrance
* fix volume bug with 3d sounds
*
* 31 10/01/97 5:55p Lawrance
* change call to snd_play_3d() to allow for arbitrary listening position
*
* 30 9/09/97 3:39p Sandeep
* warning level 4 bugs
*
* 29 9/03/97 5:03p Lawrance
* add support for -nosound command line parm
*
* 28 7/31/97 11:16a Dan
* Add some Asserts() to check validity of vectors send to DirectSound3D
*
* 27 7/28/97 11:39a Lawrance
* allow individual volume scaling on 3D buffers
*
* 26 7/17/97 9:53a Lawrance
* if a sound is supposed to use DirectSound3D, ensure it does when
* reloading it
*
* 25 7/17/97 9:32a John
* made all directX header files name start with a v
*
* 24 7/15/97 11:15a Lawrance
* limit the max instances of simultaneous sound effects, implement
* priorities to force critical sounds
*
* 23 7/13/97 5:52p Lawrance
* allow snd_set_volume() to set volume at any level
*
* 22 6/13/97 4:44p Lawrance
* added another sound hook in ship selection
*
* 21 6/09/97 11:50p Lawrance
* integrating DirectSound3D
*
* 20 6/05/97 11:25a Lawrance
* use sound signatures to ensure correct sound is loaded
*
* 19 6/05/97 1:36a Lawrance
* using a new interface to play sounds
*
* 18 6/05/97 1:08a Lawrance
* new sound play interface
*
* 17 6/03/97 9:23a Lawrance
* fix bug that caused when sound not found
*
* 16 6/02/97 1:45p Lawrance
* implementing hardware mixing
*
* 15 5/29/97 4:01p Lawrance
* don't fail sound init if dsound3d fails init
*
* 14 5/29/97 3:32p Lawrance
* added call to snd_do_frame()
*
* 13 5/29/97 12:04p Lawrance
* split off acm, direct sound, and direct sound 3d portions to separate
* files
*
* 12 5/21/97 3:55p Lawrance
* when reclaiming sound channels, never stop a looping sound
*
* 11 5/19/97 4:32p Lawrance
* remove misleading nprintf
*
* 10 5/15/97 9:05a Lawrance
* If no sound channels, take away the lowest volume sound (if that volume
* is less than requested sound fx volume)
*
* 9 5/12/97 10:32a Lawrance
* take out nprintf
*
* 8 5/09/97 4:51p Lawrance
* improve pan sound
*
* 7 5/09/97 4:34p Lawrance
* improve comments
*
* 6 5/07/97 3:29p Lawrance
* make volume conversion use a lookup table, fix errors in volume
* conversion
*
* 5 5/07/97 11:33a Lawrance
* improve snd_chg_loop_status()
*
* 4 5/06/97 9:36a Lawrance
* added support for min and max distances for 3d sounds
*
* 3 5/02/97 4:36p Lawrance
* send correct volume scaling when playing a 3D sound
*
* 2 4/28/97 5:13p John
* more moving sound/movie code out of osapi.
*
* $NoKeywords: $
*/
#ifdef _WIN32
#include <windows.h>
#endif
#include <limits.h>
#include <vector>
#include "render/3d.h"
#include "sound/sound.h"
#include "sound/audiostr.h"
#include "cmdline/cmdline.h"
#include "osapi/osapi.h"
#include "gamesnd/gamesnd.h"
#include "globalincs/alphacolors.h"
#include "cfile/cfile.h"
#include "sound/ds.h"
#include "sound/ds3d.h"
#include "sound/acm.h"
#include "sound/dscap.h"
#include "sound/ogg/ogg.h"
unsigned short UserSampleRate, UserSampleBits;
#define SND_F_USED (1<<0) // Sounds[] element is used
typedef struct sound {
int sid; // software id
int hid; // hardware id, -1 if sound is not in hardware
char filename[MAX_FILENAME_LEN];
int sig;
int flags;
sound_info info;
int uncompressed_size; // size (in bytes) of sound (uncompressed)
int duration;
} sound;
//sound Sounds[MAX_SOUNDS];
std::vector<sound> Sounds;
int Num_sounds=0;
int Sound_enabled = TRUE; // global flag to turn sound on/off
int Snd_sram; // mem (in bytes) used up by storing sounds in system memory
int Snd_hram; // mem (in bytes) used up by storing sounds in soundcard memory
float Master_sound_volume = 1.0f; // range is 0 -> 1, used for non-music sound fx
float Master_voice_volume = 0.7f; // range is 0 -> 1, used for all voice playback
// min volume to play a sound after all volume processing (range is 0.0 -> 1.0)
#define MIN_SOUND_VOLUME 0.10f
static int snd_next_sig = 1;
// convert the game level sound priorities to the DirectSound priority descriptions
int ds_priority(int priority)
{
switch(priority){
case SND_PRIORITY_MUST_PLAY:
return DS_MUST_PLAY;
case SND_PRIORITY_SINGLE_INSTANCE:
return DS_LIMIT_ONE;
case SND_PRIORITY_DOUBLE_INSTANCE:
return DS_LIMIT_TWO;
case SND_PRIORITY_TRIPLE_INSTANCE:
return DS_LIMIT_THREE;
default:
Int3();
return DS_MUST_PLAY;
};
}
void snd_clear()
{
// int i;
// flag all Sounds[] as free
/*
for (i=0; i<MAX_SOUNDS; i++ ) {
Sounds[i].flags &= ~SND_F_USED;
Sounds[i].sid = -1;
Sounds[i].hid = -1;
}*/
// reset how much storage sounds are taking up in memory
Snd_sram = 0;
Snd_hram = 0;
}
// ---------------------------------------------------------------------------------------
// Initialize the game sound system
//
// Initialize the game sound system. Depending on what sound library is being used,
// call the appropriate low-level initiailizations
//
// returns: 1 => init success
// 0 => init failed
//
int snd_init(int use_a3d, int use_eax, unsigned int sample_rate, unsigned short sample_bits)
{
int rval;
if ( Cmdline_freespace_no_sound )
return 0;
if (ds_initialized) {
nprintf(( "Sound", "SOUND => Direct Sound is already initialized!\n" ));
return 1;
}
snd_clear();
// Init DirectSound
// Connect to DirectSound
int num_tries=0;
int gave_warning = 0;
while(1) {
rval = ds_init(use_a3d, use_eax, sample_rate, sample_bits);
if( rval != 0 ) {
nprintf(( "Sound", "SOUND ==> Error initializing DirectSound, trying again in 1 second.\n"));
Sleep(1000);
} else {
break;
}
if ( num_tries++ > 5 ) {
if ( !gave_warning ) {
MessageBox(NULL, XSTR("DirectSound could not be initialized. If you are running any applications playing sound in the background, you should stop them before continuing.",971), NULL, MB_OK);
gave_warning = 1;
} else {
goto Failure;
}
}
}
// Init the Audio Compression Manager
if ( ACM_init() == -1 ) {
HWND hwnd = (HWND)os_get_window();
MessageBox(hwnd, XSTR("Could not properly initialize the Microsoft ADPCM codec.\n\nPlease see the readme.txt file for detailed instructions on installing the Microsoft ADPCM codec.",972), NULL, MB_OK);
// Warning(LOCATION, "Could not properly initialize the Microsoft ADPCM codec.\nPlease see the readme.txt file for detailed instructions on installing the Microsoft ADPCM codec.");
}
if ( OGG_init() == -1)
{
mprintf(("Could not initialize the OGG vorbis converter."));
}
// Init the audio streaming stuff
audiostream_init();
ds_initialized = 1;
return 1;
Failure:
// Warning(LOCATION, "Sound system was unable to be initialized. If you continue, sound will be disabled.\n");
nprintf(( "Sound", "SOUND => Direct Sound init unsuccessful, continuing without sound.\n" ));
return 0;
}
void snd_spew_info()
{
int idx;
char txt[512] = "";
CFILE *out = cfopen("sounds.txt", "wt", CFILE_NORMAL, CF_TYPE_DATA);
if(out == NULL){
return;
}
cfwrite_string("Sounds loaded :\n", out);
// spew info for all sounds
for(idx=0; idx<Num_sounds; idx++){
if(!(Sounds[idx].flags & SND_F_USED)){
continue;
}
sprintf(txt, "%s (%ds)\n", Sounds[idx].filename, Sounds[idx].info.duration);
cfwrite_string(txt, out);
}
// close the outfile
if(out != NULL){
cfclose(out);
out = NULL;
}
}
int Sound_spew = 0;
DCF(show_sounds, "")
{
Sound_spew = !Sound_spew;
if(Sound_spew){
dc_printf("Sound debug info ON");
} else {
dc_printf("Sound debug info OFF");
}
}
void snd_spew_debug_info()
{
int game_sounds = 0;
int message_sounds = 0;
int interface_sounds = 0;
int done = 0;
int s_idx;
if(!Sound_spew){
return;
}
// count up game, interface and message sounds
for(int idx=0; idx<Num_sounds; idx++){
if(!Sounds[idx].flags & SND_F_USED){
continue;
}
done = 0;
// what kind of sound is this
for(s_idx=0; s_idx<Num_game_sounds; s_idx++){
if(!stricmp(Snds[s_idx].filename, Sounds[idx].filename)){
game_sounds++;
done = 1;
}
}
if(!done){
for(s_idx=0; s_idx<Num_game_sounds; s_idx++){
if(!stricmp(Snds_iface[s_idx].filename, Sounds[idx].filename)){
interface_sounds++;
done = 1;
}
}
}
if(!done){
message_sounds++;
}
}
// spew info
gr_set_color_fast(&Color_normal);
gr_printf(30, 100, "Game sounds : %d\n", game_sounds);
gr_printf(30, 110, "Interface sounds : %d\n", interface_sounds);
gr_printf(30, 120, "Message sounds : %d\n", message_sounds);
gr_printf(30, 130, "Total sounds : %d\n", game_sounds + interface_sounds + message_sounds);
}
// ---------------------------------------------------------------------------------------
// snd_load()
//
// Load a sound into memory and prepare it for playback. The sound will reside in memory as
// a single instance, and can be played multiple times simultaneously. Through the magic of
// DirectSound, only 1 copy of the sound is used.
//
// parameters: gs => file of sound to load
// allow_hardware_load => whether to try to allocate in hardware
//
// returns: success => index of sound in Sounds[] array
// failure => -1
//
//int snd_load( char *filename, int hardware, int use_ds3d, int *sig)
int snd_load( game_snd *gs, int allow_hardware_load )
{
int n, rc, type;
sound_info *si;
sound *snd;
WAVEFORMATEX *header = NULL;
if ( gs->filename == NULL || gs->filename[0] == 0 )
return -1;
for (n=0; n<Num_sounds; n++ ) {
if (!(Sounds[n].flags & SND_F_USED))
break;
else if ( !stricmp( Sounds[n].filename, gs->filename )) {
gs->sig = Sounds[n].sig;
return n;
}
}
/*
if ( n == MAX_SOUNDS ) {
#ifndef NDEBUG
// spew sound info
snd_spew_info();
#endif
Int3();
return -1;
}*/
if(n==Num_sounds)
{
Sounds.resize(n + 1);
Num_sounds++; //Yeah, this would be a good idea
snd = &Sounds[n];
snd->sid = -1;
snd->hid = -1;
snd->flags &= ~SND_F_USED;
}
else
{
snd = &Sounds[n];
}
if ( !ds_initialized )
return -1;
si = &snd->info;
CFILE * fp = cfopen(gs->filename, "rb");
// ds_parse_sound() will do a NULL check on fp for us
if ( ds_parse_sound(fp, &si->data, &si->size, &header, &si->ogg_info) == -1 ) {
nprintf(("Sound", "Could not read sound file %s\n", gs->filename));
return -1;
}
// Load was a success, should be some sort of WAV or an OGG
si->format = header->wFormatTag; // 16-bit flag (wFormatTag)
si->n_channels = header->nChannels; // 16-bit channel count (nChannels)
si->sample_rate = header->nSamplesPerSec; // 32-bit sample rate (nSamplesPerSec)
si->avg_bytes_per_sec = header->nAvgBytesPerSec; // 32-bit average bytes per second (nAvgBytesPerSec)
si->n_block_align = header->nBlockAlign; // 16-bit block alignment (nBlockAlign)
si->bits = header->wBitsPerSample; // Read 16-bit bits per sample
snd->duration = fl2i(1000.0f * (si->size / (si->bits/8.0f)) / si->sample_rate);
type = 0;
if ( allow_hardware_load ) {
if ( gs->preload ) {
type |= DS_HARDWARE;
}
}
if ( (gs->flags&GAME_SND_USE_DS3D) ) {
type |= DS_USE_DS3D;
}
rc = ds_load_buffer(&snd->sid, &snd->hid, &snd->uncompressed_size, header, si, type);
// free the header if needed
if (header != NULL)
vm_free(header);
// we don't need to keep si->data around anymore, this should be NULL for OGG files
if (si->data != NULL) {
vm_free(si->data);
si->data = NULL;
}
// make sure the file handle is closed
if (fp != NULL)
cfclose(fp);
if ( rc == -1 )
return -1;
strncpy( snd->filename, gs->filename, MAX_FILENAME_LEN );
snd->flags = SND_F_USED;
snd->sig = snd_next_sig++;
if (snd_next_sig < 0 ) snd_next_sig = 1;
gs->id_sig = snd->sig;
gs->id = n;
nprintf(("Sound", "Loaded %s\n", gs->filename));
return n;
}
// ---------------------------------------------------------------------------------------
// snd_unload()
//
// Unload a sound from memory. This will release the storage, and the sound must be re-loaded via
// sound_load() before it can be played again.
//
int snd_unload( int n )
{
if (!ds_initialized)
return 0;
if (n < 0)
return 0;
if ( !(Sounds[n].flags & SND_F_USED) )
{
if(n==Num_sounds-1)
{
Num_sounds--;
Sounds.pop_back();
}
return 0;
}
ds_unload_buffer(Sounds[n].sid, Sounds[n].hid);
if ( Sounds[n].sid != -1 ) {
Snd_sram -= Sounds[n].uncompressed_size;
}
if ( Sounds[n].hid != -1 ) {
Snd_hram -= Sounds[n].uncompressed_size;
}
//If this sound is at the end of the array, we might as well get rid of it
if(n==Num_sounds-1)
{
Num_sounds--;
Sounds.pop_back();
}
Sounds[n].flags &= ~SND_F_USED;
return 1;
}
// ---------------------------------------------------------------------------------------
// snd_unload_all()
//
// Unload all sounds from memory. If there's a problem unloading a file the array may not be fully cleared
// but future files will still use unused spots, so the array size shouldn't grow out of control.
//
void snd_unload_all()
{
int i;
for (i=Num_sounds-1; i>=0; i-- )
{
snd_unload(i);
}
}
// ---------------------------------------------------------------------------------------
// snd_close()
//
// This is the companion function to snd_init()... it closes down the game sound system.
//
void snd_close(void)
{
snd_stop_all();
if (!ds_initialized) return;
snd_unload_all(); // free the sound data stored in DirectSound secondary buffers
ACM_close(); // Close the Audio Compression Manager (ACM)
ds3d_close(); // Close DirectSound3D
dscap_close(); // Close DirectSoundCapture
ds_close(); // Close DirectSound off
}
// ---------------------------------------------------------------------------------------
// snd_play_raw()
//
// Allow a sound to be played directly from the index in Sounds[]. This bypasses the
// normal game sound management system.
//
// returns: -1 => sound could not be played
// n => handle for instance of sound
//
int snd_play_raw( int soundnum, float pan, float vol_scale, int priority )
{
game_snd gs;
int rval;
gs.id = soundnum;
gs.id_sig = Sounds[soundnum].sig;
gs.filename[0] = 0;
gs.default_volume = 1.0f;
// gs.flags = GAME_SND_VOICE | GAME_SND_USE_DS3D;
gs.flags = GAME_SND_VOICE;
rval = snd_play(&gs, pan, vol_scale, priority, true);
return rval;
}
MONITOR( NumSoundsStarted );
MONITOR( NumSoundsLoaded );
// ---------------------------------------------------------------------------------------
// snd_play()
//
// NOTE: vol_scale parameter is the multiplicative scaling applied to the default volume
// (vol_scale is a default parameter with a default value of 1.0f)
//
// input: gs => game-level sound description
// pan => -1 (full left) to 1.0 (full right), this is a default parm
// vol_scale => factor to scale default volume by (applied before global sound volume applied)
// priority => SND_PRIORITY_MUST_PLAY
// SND_PRIORITY_SINGLE_INSTANCE (default value)
// SND_PRIORITY_DOUBLE_INSTANCE
// SND_PRIORITY_TRIPLE_INSTANCE
//
// returns: -1 => sound could not be played
// n => handle for instance of sound
//
int snd_play( game_snd *gs, float pan, float vol_scale, int priority, bool is_voice_msg )
{
float volume;
sound *snd;
int handle = -1;
if (!Sound_enabled)
return -1;
Assert( gs != NULL );
MONITOR_INC( NumSoundsStarted, 1 );
if ( gs->id == -1 ) {
gs->id = snd_load(gs);
MONITOR_INC( NumSoundsLoaded, 1);
} else if ( gs->id_sig != Sounds[gs->id].sig ) {
gs->id = snd_load(gs);
}
if ( gs->id == -1 )
return -1;
volume = gs->default_volume * vol_scale;
if ( gs->flags&GAME_SND_VOICE ) {
volume *= Master_voice_volume;
} else {
volume *= Master_sound_volume;
}
if ( volume > 1.0f )
volume = 1.0f;
snd = &Sounds[gs->id];
if ( !(snd->flags & SND_F_USED) )
return -1;
if (!ds_initialized)
return -1;
if ( volume > MIN_SOUND_VOLUME ) {
handle = ds_play( snd->sid, snd->hid, gs->id_sig, ds_priority(priority), ds_convert_volume(volume), fl2i(pan*MAX_PAN), 0, is_voice_msg);
}
return handle;
}
MONITOR( Num3DSoundsStarted );
MONITOR( Num3DSoundsLoaded );
// ---------------------------------------------------------------------------------------
// snd_play_3d()
//
// NOTE: vol_scale parameter is the multiplicative scaling applied to the default volume
// (vol_scale is a default parameter with a default value of 1.0f)
//
// input: gs => game-level sound description
// source_pos => global pos of where the sound is
// listen_pos => global pos of where listener is
// radius => optional parameter, this specifes distance at which to apply min/max distances
// source_vel => velocity of the source playing the sound (used for DirectSound3D only)
// looping => flag to indicate the sound should loop (default value 0)
// vol_scale => factor to scale the static volume by (applied before attenuation)
// priority => SND_PRIORITY_MUST_PLAY
// SND_PRIORITY_SINGLE_INSTANCE (default value)
// SND_PRIORITY_DOUBLE_INSTANCE
// SND_PRIORITY_TRIPLE_INSTANCE
// sound_fvec => forward vector of where sound is emitting from (RSX use only)
// range_factor => factor N, which increases distance sound is heard by N times (default value 1)
//
// returns: -1 => sound could not be played
// n => handle for instance of sound
//
int snd_play_3d(game_snd *gs, vec3d *source_pos, vec3d *listen_pos, float radius, vec3d *source_vel, int looping, float vol_scale, int priority, vec3d *sound_fvec, float range_factor, int force )
{
int handle, min_range, max_range;
vec3d vector_to_sound;
sound *snd;
float volume, distance, pan, max_volume;
if ( !Sound_enabled )
return -1;
Assert(gs != NULL);
MONITOR_INC( Num3DSoundsStarted, 1 );
if ( gs->id < 0 ) {
gs->id = snd_load(gs);
MONITOR_INC( Num3DSoundsLoaded, 1 );
}else if ( gs->id_sig != Sounds[gs->id].sig ) {
gs->id = snd_load(gs);
}
if ( gs->id == -1 )
return -1;
snd = &Sounds[gs->id];
if ( !(snd->flags & SND_F_USED) )
return -1;
handle = -1;
min_range = fl2i( (gs->min + radius) * range_factor);
max_range = fl2i( (gs->max + radius) * range_factor + 0.5f);
if (!ds_initialized)
return -1;
// DirectSound3D will not cut off sounds, no matter how quite they become.. so manually
// prevent sounds from playing past the max distance.
//IMPORTANT THIS IS NOT WORKING RIGHT OMG WTF
distance = vm_vec_normalized_dir_quick( &vector_to_sound, source_pos, listen_pos );
max_volume = gs->default_volume * vol_scale;
if ( (distance > max_range) && !force){
return -1;
}
if ( distance <= min_range ) {
volume = max_volume;
}
else {
volume = max_volume - max_volume*(distance/max_range);
}
if ( volume > 1.0f ){
volume = 1.0f;
}
if ( priority == SND_PRIORITY_MUST_PLAY ) {
if ( volume < 0.3 ) {
priority = SND_PRIORITY_DOUBLE_INSTANCE;
}
}
volume *= Master_sound_volume;
if ( (volume < MIN_SOUND_VOLUME) && !force) {
return -1;
}
int play_using_ds3d = 0;
if (ds_using_ds3d()) {
if ( ds_is_3d_buffer(snd->sid) ) {
play_using_ds3d = 1;
}
}
if ( play_using_ds3d ) {
// play through DirectSound3D
handle = ds3d_play( snd->sid, snd->hid, gs->id_sig, source_pos, source_vel, min_range, max_range, looping, ds_convert_volume(max_volume*Master_sound_volume), ds_convert_volume(volume), ds_priority(priority));
}
else {
// play sound as a fake 3D sound
if ( distance <= 0 ) {
pan = 0.0f;
}
else {
pan = vm_vec_dot(&View_matrix.vec.rvec,&vector_to_sound);
}
if(looping){
handle = snd_play_looping( gs, pan, -1, -1, volume/gs->default_volume, priority, force );
} else {
handle = snd_play( gs, pan, volume/gs->default_volume, priority);
}
}
return handle;
}
// update the given 3d sound with a new position
void snd_update_3d_pos(int soundnum, game_snd *gs, vec3d *new_pos)
{
float vol, pan;
// get new volume and pan vals
snd_get_3d_vol_and_pan(gs, new_pos, &vol, &pan);
// set volume
snd_set_volume(soundnum, vol);
// set pan
snd_set_pan(soundnum, pan);
}
// ---------------------------------------------------------------------------------------
// snd_get_3d_vol_and_pan()
//
// Based on the 3D position the player and the object, calculate
// the correct volume and pan.
//
// parameters: gs => pointer to sound description
// pos => 3D position used to calc volume and pan
// vol => output parameter for the volume
// pan => output parameter for the pan
// radius => optional parameter (default value 0) which indicates sound attenuation
// should occur from this radius
//
// returns: -1 => could not determine vol or pan
// 0 => success
//
// NOTE: the volume is not scaled by the Master_sound_volume, since this always occurs
// when snd_play() or snd_play_looping() is called
//
int snd_get_3d_vol_and_pan(game_snd *gs, vec3d *pos, float* vol, float *pan, float radius)
{
vec3d vector_to_sound;
float distance, max_volume;
sound *snd;
*vol = 0.0f;
*pan = 0.0f;
if (!ds_initialized)
return -1;
Assert(gs != NULL);
if ( gs->id == -1 ) {
gs->id = snd_load(gs);
}
if (gs->id == -1)
return -1;
snd = &Sounds[gs->id];
if ( !(snd->flags & SND_F_USED) )
return -1;
distance = vm_vec_normalized_dir_quick( &vector_to_sound, pos, &View_position );
distance -= radius;
max_volume = gs->default_volume;
if ( distance <= gs->min ) {
*vol = max_volume;
}
else {
*vol = max_volume - (distance - gs->min) * max_volume / (gs->max - gs->min);
}
if ( *vol > 1.0f )
*vol = 1.0f;
if ( *vol > MIN_SOUND_VOLUME ) {
if ( distance <= 0 )
*pan = 0.0f;
else
*pan = vm_vec_dot(&View_matrix.vec.rvec,&vector_to_sound);
}
return 0;
}
// ---------------------------------------------------------------------------------------
// volume 0 to 1.0. Returns the handle of the sound. -1 if failed.
// If startloop or stoploop are not -1, then then are used.
//
// NOTE: vol_scale parameter is the multiplicative scaling applied to the default volume
// (vol_scale is a default parameter with a default value of 1.0f)
//
// input: gs => game-level sound description
// source_pos => global pos of where the sound is
// listen_pos => global pos of where listener is
// source_vel => velocity of the source playing the sound (used for DirectSound3D only)
// looping => flag to indicate the sound should loop (default value 0)
// vol_scale => factor to scale the static volume by (applied before attenuation)
// priority => SND_PRIORITY_MUST_PLAY (default value)
// SND_PRIORITY_SINGLE_INSTANCE
// SND_PRIORITY_DOUBLE_INSTANCE
// SND_PRIORITY_TRIPLE_INSTANCE
//
// returns: -1 => sound could not be played
// n => handle for instance of sound
//
int snd_play_looping( game_snd *gs, float pan, int start_loop, int stop_loop, float vol_scale, int priority, int force )
{
float volume;
int handle = -1;
sound *snd;
if (!Sound_enabled)
return -1;
Assert( gs != NULL );
if (!ds_initialized)
return -1;
if ( gs->id == -1 ) {
gs->id = snd_load(gs);
}
else if ( gs->id_sig != Sounds[gs->id].sig ) {
gs->id = snd_load(gs);
}
if ( gs->id == -1 )
return -1;
snd = &Sounds[gs->id];
if ( !(snd->flags & SND_F_USED) )
return -1;
volume = gs->default_volume * vol_scale;
volume *= Master_sound_volume;
if ( volume > 1.0f )
volume = 1.0f;
if ( (volume > MIN_SOUND_VOLUME) || force) {
handle = ds_play( snd->sid, snd->hid, gs->id_sig, ds_priority(priority), ds_convert_volume(volume), fl2i(pan*MAX_PAN), 1);
}
return handle;
}
// ---------------------------------------------------------------------------------------
// snd_stop()
//
// Stop a sound from playing.
//
// parameters: sig => handle to sound, what is returned from snd_play()
//
void snd_stop( int sig )
{
int channel;
if (!ds_initialized) return;
if ( sig < 0 ) return;
channel = ds_get_channel(sig);
if ( channel == -1 )
return;
ds_stop_channel(channel);
}
// ---------------------------------------------------------------------------------------
// snd_set_volume()
//
// Set the volume of a currently playing sound
//
// parameters: sig => handle to sound, what is returned from snd_play()
// volume => volume of sound (range: 0.0 -> 1.0)
//
void snd_set_volume( int sig, float volume )
{
int channel;
float new_volume;
if (!ds_initialized)
return;
if ( sig < 0 )
return;
channel = ds_get_channel(sig);
if ( channel == -1 ) {
nprintf(( "Sound", "WARNING: Trying to set volume for a non-playing sound.\n" ));
return;
}
new_volume = volume * Master_sound_volume;
ds_set_volume( channel, ds_convert_volume(new_volume) );
}
// ---------------------------------------------------------------------------------------
// snd_set_pan()
//
// Set the pan of a currently playing sound
//
// parameters: sig => handle to sound, what is returned from snd_play()
// pan => pan of sound (range: -1.0 -> 1.0)
//
void snd_set_pan( int sig, float pan )
{
int channel;
if (!ds_initialized)
return;
if ( sig < 0 )
return;
channel = ds_get_channel(sig);
if ( channel == -1 ) {
nprintf(( "Sound", "WARNING: Trying to set pan for a non-playing sound.\n" ));
return;
}
ds_set_pan( channel, fl2i(pan*MAX_PAN) );
}
// ---------------------------------------------------------------------------------------
// snd_get_pitch()
//
// Return the pitch of a currently playing sound
//
// returns: pitch of sound ( range: 100 to 100000)
//
// parameters: sig => handle to sound, what is returned from snd_play()
//
int snd_get_pitch(int sig)
{
int channel, pitch=10000;
if (!ds_initialized)
return -1;
if ( sig < 0 )
return -1;
channel = ds_get_channel(sig);
if ( channel == -1 ) {
nprintf(( "Sound", "WARNING: Trying to get pitch for a non-playing sound.\n" ));
return -1;
}
pitch = ds_get_pitch(channel);
return pitch;
}
// ---------------------------------------------------------------------------------------
// snd_set_pitch()
//
// Set the pitch of a currently playing sound
//
// parameters: sig => handle to sound, what is returned from snd_play()
// pan => pitch of sound (range: 100 to 100000)
//
void snd_set_pitch( int sig, int pitch )
{
int channel;
if (!ds_initialized) return;
if ( sig < 0 ) return;
channel = ds_get_channel(sig);
if ( channel == -1 ) {
nprintf(( "Sound", "WARNING: Trying to set pitch for a non-playing sound.\n" ));
return;
}
ds_set_pitch(channel, pitch);
}
// ---------------------------------------------------------------------------------------
// snd_is_playing()
//
// Determine if a sound is playing
//
// returns: 1 => sound is currently playing
// 0 => sound is not playing
//
// parameters: sig => signature of sound, what is returned from snd_play()
//
int snd_is_playing( int sig )
{
int channel, is_playing;
if (!ds_initialized)
return 0;
if ( sig < 0 )
return 0;
channel = ds_get_channel(sig);
if ( channel == -1 )
return 0;
is_playing = ds_is_channel_playing(channel);
if ( is_playing == TRUE ) {
return 1;
}
return 0;
}
// ---------------------------------------------------------------------------------------
// snd_chg_loop_status()
//
// Change whether a currently playing song is looping or not
//
// parameters: sig => handle to sound, what is returned from snd_play()
// loop => whether to start (1) or stop (0) looping
//
void snd_chg_loop_status(int sig, int loop)
{
int channel;
if (!ds_initialized)
return;
if ( sig < 0 )
return;
channel = ds_get_channel(sig);
if ( channel == -1 ) {
nprintf(( "Sound", "WARNING: Trying to change loop status of a non-playing sound!\n" ));
return;
}
ds_chg_loop_status(channel, loop);
}
// ---------------------------------------------------------------------------------------
// snd_stop_all()
//
// Stop all playing sound channels (including looping sounds)
//
// NOTE: This stops all sounds that are playing from Channels[] sound buffers. It doesn't
// stop every secondary sound buffer in existance
//
void snd_stop_all()
{
if (!ds_initialized)
return;
ds_stop_channel_all();
}
// ---------------------------------------------------------------------------------------
// sound_get_ds()
//
// Return the pointer to the DirectSound interface
//
//
uint sound_get_ds()
{
#ifdef USE_OPENAL
// unused
return 0;
#else
return (uint)pDirectSound;
#endif
}
// ---------------------------------------------------------------------------------------
// snd_is_inited()
//
//
int snd_is_inited()
{
if ( !ds_initialized )
return FALSE;
return TRUE;
}
// return the time in ms for the duration of the sound
int snd_get_duration(int snd_id)
{
if ( snd_id < 0 )
return 0;
return Sounds[snd_id].duration;
}
MONITOR( SoundChannels );
// update the position of the listener for the specific 3D sound API we're
// using
void snd_update_listener(vec3d *pos, vec3d *vel, matrix *orient)
{
MONITOR_INC( SoundChannels, ds_get_number_channels() );
ds3d_update_listener(pos, vel, orient);
}
// this could probably be optimized a bit
void snd_rewind(int snd_handle, game_snd *gs, float seconds)
{
float current_time,desired_time;
float bps;
DWORD current_offset,desired_offset;
sound_info *snd;
if(!snd_is_playing(snd_handle))
return;
if (gs->id < 0)
return;
snd = &Sounds[gs->id].info;
current_offset = ds_get_play_position(ds_get_channel(snd_handle)); // current offset into the sound
bps = (float)snd->sample_rate * (float)snd->bits; // data rate
current_time = (float)current_offset/bps; // how many seconds we're into the sound
// don't rewind if it'll put us before the beginning of the sound
if(current_time - seconds < 0.0f)
return;
desired_time = current_time - seconds; // where we want to be
desired_offset = (DWORD)(desired_time * bps); // the target
ds_set_position(ds_get_channel(snd_handle),desired_offset);
}
// this could probably be optimized a bit
void snd_ffwd(int snd_handle, game_snd *gs, float seconds)
{
float current_time,desired_time;
float bps;
DWORD current_offset,desired_offset;
sound_info *snd;
if(!snd_is_playing(snd_handle))
return;
if (gs->id < 0)
return;
snd = &Sounds[gs->id].info;
current_offset = ds_get_play_position(ds_get_channel(snd_handle)); // current offset into the sound
bps = (float)snd->sample_rate * (float)snd->bits; // data rate
current_time = (float)current_offset/bps; // how many seconds we're into the sound
// don't rewind if it'll put us past the end of the sound
if(current_time + seconds > (float)snd->duration)
return;
desired_time = current_time + seconds; // where we want to be
desired_offset = (DWORD)(desired_time * bps); // the target
ds_set_position(ds_get_channel(snd_handle),desired_offset);
}
// this could probably be optimized a bit
void snd_set_pos(int snd_handle, game_snd *gs, float val,int as_pct)
{
sound_info *snd;
if(!snd_is_playing(snd_handle))
return;
if (gs->id < 0)
return;
snd = &Sounds[gs->id].info;
// set position as an absolute from 0 to 1
if(as_pct){
Assert((val >= 0.0) && (val <= 1.0));
ds_set_position(ds_get_channel(snd_handle),(DWORD)((float)snd->size * val));
}
// set the position as an absolute # of seconds from the beginning of the sound
else {
float bps;
Assert(val <= (float)snd->duration/1000.0f);
bps = (float)snd->sample_rate * (float)snd->bits; // data rate
ds_set_position(ds_get_channel(snd_handle),(DWORD)(bps * val));
}
}
// Return the number of sounds currently playing
int snd_num_playing()
{
return ds_get_number_channels();
}
// Stop the first channel found that is playing a sound
void snd_stop_any_sound()
{
int i;
for ( i = 0; i < 16; i++ ) {
if ( ds_is_channel_playing(i) ) {
ds_stop_channel(i);
break;
}
}
}
// Return the raw sound data for a loaded sound
//
// input: handle => index into Sounds[] array
// data => allocated mem to hold sound
//
// exit: 0 => success
// !0 => fail
int snd_get_data(int handle, char *data)
{
Assert(handle >= 0 && handle < Num_sounds);
if ( ds_get_data(Sounds[handle].sid, data) ) {
return -1;
}
return 0;
}
// return the size of the sound data associated with the sound handle
int snd_size(int handle, int *size)
{
Assert(handle >= 0 && handle < Num_sounds);
if ( ds_get_size(Sounds[handle].sid, size) ) {
return -1;
}
return 0;
}
// retrieve the bits per sample and frequency for a given sound
void snd_get_format(int handle, int *bits_per_sample, int *frequency)
{
Assert(handle >= 0 && handle < Num_sounds);
if (bits_per_sample)
*bits_per_sample = Sounds[handle].info.bits;
if (frequency)
*frequency = Sounds[handle].info.sample_rate;
}
// given a sound sig (handle) return the index in Sounds[] for that sound
int snd_get_index(int sig)
{
int i, channel, channel_id;
channel = ds_get_channel(sig);
if (channel < 0)
return -1;
channel_id = ds_get_sound_id(channel);
for (i=0; i<Num_sounds; i++) {
if ( (Sounds[i].flags & SND_F_USED) && (Sounds[i].sig == channel_id) )
break;
}
if (i == Num_sounds)
return -1;
return i;
}
// return the time for the sound to play in milliseconds
int snd_time_remaining(int handle)
{
int channel, is_playing, time_remaining = 0;
if (!ds_initialized)
return 0;
if ( handle < 0 )
return 0;
channel = ds_get_channel(handle);
if ( channel == -1 )
return 0;
is_playing = ds_is_channel_playing(channel);
if ( !is_playing ) {
return 0;
}
int current_offset, max_offset, sdx;
int bits_per_sample = 0, frequency = 0;
sdx = snd_get_index(handle);
Assert( sdx != -1 );
snd_get_format(sdx, &bits_per_sample, &frequency);
if ( (bits_per_sample <= 0) || (frequency <= 0) )
return 0;
// handle ADPCM properly. It's always 16bit for OpenAL but should be 8 or 16
// for Windows. We can't leave it as 4 here (the ADPCM rate) because that is the
// compressed bps and the math is against the uncompressed bps.
if ( bits_per_sample == 4 ) {
#ifdef USE_OPENAL
bits_per_sample = 16;
#else
if ( UserSampleBits >= 16 )
bits_per_sample = 16;
else
bits_per_sample = 8;
#endif
}
Assert( bits_per_sample >= 8 );
current_offset = ds_get_play_position(channel);
max_offset = ds_get_channel_size(channel);
if ( current_offset < max_offset ) {
int bytes_remaining = max_offset - current_offset;
int samples_remaining = bytes_remaining / (bits_per_sample/8);
time_remaining = fl2i(1000.0f * samples_remaining/frequency + 0.5f);
}
// mprintf(("time_remaining: %d\n", time_remaining));
return time_remaining;
}
// snd_env_ interface
static unsigned long Sound_env_id;
static float Sound_env_volume;
static float Sound_env_damping;
static float Sound_env_decay;
// Set the sound environment
//
int sound_env_set(sound_env *se)
{
if (ds_eax_set_all(se->id, se->volume, se->damping, se->decay) == 0) {
Sound_env_id = se->id;
Sound_env_volume = se->volume;
Sound_env_damping = se->damping;
Sound_env_decay = se->decay;
return 0;
} else {
return -1;
}
}
// Get the sound environment
//
int sound_env_get(sound_env *se)
{
EAX_REVERBPROPERTIES er;
if (ds_eax_get_all(&er) == 0) {
se->id = er.environment;
se->volume = er.fVolume;
se->decay = er.fDecayTime_sec;
se->damping = er.fDamping;
return 0;
} else {
return -1;
}
}
// Turn off the sound environment
//
int sound_env_disable()
{
sound_env se;
se.id = SND_ENV_GENERIC;
se.volume = 0.0f;
se.damping = 0.0f;
se.decay = 0.0f;
sound_env_set(&se);
return 0;
}
// Return 1 if EAX can used to set the sound environment, otherwise return 0
//
int sound_env_supported()
{
return ds_eax_is_inited();
}
// Called once per game frame
//
void snd_do_frame()
{
ds_do_frame();
}
Reference in new issue View Git Blame Copy Permalink