Added OpenAL capture support.
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4513 fc73d0e0-1445-4013-8a0c-d673dee63da5
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Spoike
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@ -116,9 +116,12 @@ static AL_API void (AL_APIENTRY *palSourceUnqueueBuffers)(ALuint source, ALsizei
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typedef char ALCboolean;
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typedef char ALCchar;
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typedef int ALCint;
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typedef unsigned int ALCuint;
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typedef int ALCenum;
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typedef size_t ALCsizei;
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typedef struct ALCdevice_struct ALCdevice;
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typedef struct ALCcontext_struct ALCcontext;
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typedef void ALCvoid;
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static ALC_API ALCdevice * (ALC_APIENTRY *palcOpenDevice)( const ALCchar *devicename );
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static ALC_API ALCboolean (ALC_APIENTRY *palcCloseDevice)( ALCdevice *device );
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@ -134,14 +137,12 @@ static ALC_API ALCboolean (ALC_APIENTRY *palcIsExtensionPresent)( ALCdevice
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#define ALC_DEFAULT_DEVICE_SPECIFIER 0x1004
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#define ALC_DEVICE_SPECIFIER 0x1005
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#define ALC_EXTENSIONS 0x1006
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#define ALC_ALL_DEVICES_SPECIFIER 0x1013
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#define ALC_ALL_DEVICES_SPECIFIER 0x1013 //ALC_ENUMERATE_ALL_EXT
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//#include "AL/alut.h"
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//#include "AL/al.h"
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//#include "AL/alext.h"
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//efx
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#define AL_AUXILIARY_SEND_FILTER 0x20006
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#define AL_FILTER_NULL 0x0000
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@ -202,6 +203,19 @@ static AL_API ALvoid (AL_APIENTRY *palEffectiv)(ALuint effect, ALenum param, con
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static AL_API ALvoid (AL_APIENTRY *palEffectf)(ALuint effect, ALenum param, ALfloat flValue);
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static AL_API ALvoid (AL_APIENTRY *palEffectfv)(ALuint effect, ALenum param, const ALfloat *pflValues);
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//capture-specific stuff
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static ALC_API void (ALC_APIENTRY *palcGetIntegerv)( ALCdevice *device, ALCenum param, ALCsizei size, ALCint *data );
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static ALC_API ALCdevice * (ALC_APIENTRY *palcCaptureOpenDevice)( const ALCchar *devicename, ALCuint frequency, ALCenum format, ALCsizei buffersize );
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static ALC_API ALCboolean (ALC_APIENTRY *palcCaptureCloseDevice)( ALCdevice *device );
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static ALC_API void (ALC_APIENTRY *palcCaptureStart)( ALCdevice *device );
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static ALC_API void (ALC_APIENTRY *palcCaptureStop)( ALCdevice *device );
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static ALC_API void (ALC_APIENTRY *palcCaptureSamples)( ALCdevice *device, ALCvoid *buffer, ALCsizei samples );
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#define ALC_CAPTURE_DEVICE_SPECIFIER 0x310
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#define ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER 0x311
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#define ALC_CAPTURE_SAMPLES 0x312
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#define SOUNDVARS "OpenAL variables"
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@ -229,7 +243,8 @@ static cvar_t s_al_speedofsound = CVARFC("s_al_speedofsound", "343.3",0,OnChange
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static cvar_t s_al_dopplerfactor = CVARFC("s_al_dopplerfactor", "3.0",0,OnChangeALDopplerFactor);
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static cvar_t s_al_distancemodel = CVARFC("s_al_distancemodel", "2",0,OnChangeALDistanceModel);
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static cvar_t s_al_rolloff_factor = CVAR("s_al_rolloff_factor", "1");
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static cvar_t s_al_reference_distance = CVAR("s_al_reference_distance", "120");static cvar_t s_al_velocityscale = CVAR("s_al_velocityscale", "1");
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static cvar_t s_al_reference_distance = CVAR("s_al_reference_distance", "120");
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static cvar_t s_al_velocityscale = CVAR("s_al_velocityscale", "1");
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static cvar_t s_al_static_listener = CVAR("s_al_static_listener", "0"); //cheat
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typedef struct
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@ -379,6 +394,7 @@ static void OpenAL_ListenerUpdate(soundcardinfo_t *sc, vec3_t origin, vec3_t for
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}
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}
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//schanged says the sample has changed, otherwise its merely moved around a little, maybe changed in volume, but nothing that will restart it.
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static void OpenAL_ChannelUpdate(soundcardinfo_t *sc, channel_t *chan, unsigned int schanged)
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{
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oalinfo_t *oali = sc->handle;
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@ -904,6 +920,7 @@ static qboolean QDECL OpenAL_InitCard(soundcardinfo_t *sc, const char *devname)
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return true;
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}
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#define SDRVNAME "OpenAL"
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static qboolean QDECL OpenAL_Enumerate(void (QDECL *callback)(const char *driver, const char *devicecode, const char *readabledevice))
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{
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const char *devnames;
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@ -915,7 +932,7 @@ static qboolean QDECL OpenAL_Enumerate(void (QDECL *callback)(const char *driver
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devnames = palcGetString(NULL, ALC_DEVICE_SPECIFIER);
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while(*devnames)
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{
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callback("OpenAL", devnames, va("OAL:%s", devnames));
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callback(SDRVNAME, devnames, va("OAL:%s", devnames));
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devnames += strlen(devnames)+1;
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}
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return true;
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@ -923,9 +940,104 @@ static qboolean QDECL OpenAL_Enumerate(void (QDECL *callback)(const char *driver
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sounddriver_t OPENAL_Output =
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{
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"OpenAL",
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SDRVNAME,
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OpenAL_InitCard,
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OpenAL_Enumerate
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};
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#if defined(VOICECHAT)
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qboolean OpenAL_InitCapture(void)
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{
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if (!OpenAL_InitLibrary())
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return false;
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//is there really much point checking for the name when the functions should exist or not regardless?
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//if its not really supported, I would trust the open+enumerate operations to reliably fail. the functions are exported as actual symbols after all, not some hidden driver feature.
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//it doesn't really matter if the default driver supports it, so long as one does, I guess.
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//if (!palcIsExtensionPresent(NULL, "ALC_EXT_capture"))
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// return false;
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if(!palcCaptureOpenDevice)
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{
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palcGetIntegerv = Sys_GetAddressForName(openallib, "alcGetIntegerv");
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palcCaptureOpenDevice = Sys_GetAddressForName(openallib, "alcCaptureOpenDevice");
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palcCaptureStart = Sys_GetAddressForName(openallib, "alcCaptureStart");
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palcCaptureSamples = Sys_GetAddressForName(openallib, "alcCaptureSamples");
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palcCaptureStop = Sys_GetAddressForName(openallib, "alcCaptureStop");
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palcCaptureCloseDevice = Sys_GetAddressForName(openallib, "alcCaptureCloseDevice");
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}
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return palcGetIntegerv&&palcCaptureOpenDevice&&palcCaptureStart&&palcCaptureSamples&&palcCaptureStop&&palcCaptureCloseDevice;
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}
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qboolean QDECL OPENAL_Capture_Enumerate (void (QDECL *callback) (const char *drivername, const char *devicecode, const char *readablename))
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{
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const char *devnames;
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if (!OpenAL_InitCapture())
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return true; //enumerate nothing if al is disabled
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devnames = palcGetString(NULL, ALC_CAPTURE_DEVICE_SPECIFIER);
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while(*devnames)
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{
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callback(SDRVNAME, devnames, va("OAL:%s", devnames));
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devnames += strlen(devnames)+1;
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}
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return true;
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}
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//fte's capture api specifies mono 16.
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void *QDECL OPENAL_Capture_Init (int samplerate, const char *device)
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{
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if (!device) //no default devices please, too buggy for that.
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return NULL;
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if (!OpenAL_InitCapture())
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return NULL; //enumerate nothing if al is disabled
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if (!device || !*device)
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device = palcGetString(NULL, ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER);
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return palcCaptureOpenDevice(device, samplerate, AL_FORMAT_MONO16, 0.5*samplerate);
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}
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void QDECL OPENAL_Capture_Start (void *ctx)
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{
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ALCdevice *device = ctx;
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palcCaptureStart(device);
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}
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unsigned int QDECL OPENAL_Capture_Update (void *ctx, unsigned char *buffer, unsigned int minbytes, unsigned int maxbytes)
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{
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#define samplesize sizeof(short)
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ALCdevice *device = ctx;
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int avail = 0;
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palcGetIntegerv(device, ALC_CAPTURE_SAMPLES, sizeof(ALint), &avail);
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if (avail*samplesize < minbytes)
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return 0; //don't bother grabbing it if its below the threshold.
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palcCaptureSamples(device, (ALCvoid *)buffer, avail);
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return avail * samplesize;
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}
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void QDECL OPENAL_Capture_Stop (void *ctx)
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{
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ALCdevice *device = ctx;
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palcCaptureStop(device);
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}
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void QDECL OPENAL_Capture_Shutdown (void *ctx)
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{
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ALCdevice *device = ctx;
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palcCaptureCloseDevice(device);
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}
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snd_capture_driver_t OPENAL_Capture =
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{
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1,
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SDRVNAME,
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OPENAL_Capture_Enumerate,
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OPENAL_Capture_Init,
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OPENAL_Capture_Start,
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OPENAL_Capture_Update,
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OPENAL_Capture_Stop,
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OPENAL_Capture_Shutdown
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};
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#endif
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#endif
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@ -1062,7 +1062,7 @@ static qboolean QDECL DSOUND_Capture_Enumerate (void (QDECL *callback) (const ch
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return false;
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}
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static void *QDECL DSOUND_Capture_Init (int rate, char *device)
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static void *QDECL DSOUND_Capture_Init (int rate, const char *device)
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{
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dsndcapture_t *result;
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DSCBUFFERDESC bufdesc;
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@ -365,7 +365,7 @@ static qboolean QDECL OSS_Capture_Enumerate (void (QDECL *callback) (const char
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//SNDCTL_CARDINFO
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return false;
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}
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void *OSS_Capture_Init(int rate, char *snddev)
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void *OSS_Capture_Init(int rate, const char *snddev)
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{
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int tmp;
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intptr_t fd;
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@ -315,7 +315,7 @@ typedef struct
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int apiver;
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char *drivername;
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qboolean (QDECL *Enumerate) (void (QDECL *callback) (const char *drivername, const char *devicecode, const char *readablename));
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void *(QDECL *Init) (int samplerate, char *device); /*create a new context*/
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void *(QDECL *Init) (int samplerate, const char *device); /*create a new context*/
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void (QDECL *Start) (void *ctx); /*begin grabbing new data, old data is potentially flushed*/
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unsigned int (QDECL *Update) (void *ctx, unsigned char *buffer, unsigned int minbytes, unsigned int maxbytes); /*grab the data into a different buffer*/
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void (QDECL *Stop) (void *ctx); /*stop grabbing new data, old data may remain*/
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