diff options
Diffstat (limited to 'src/libs/sound/audiocore.c')
| -rw-r--r-- | src/libs/sound/audiocore.c | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/src/libs/sound/audiocore.c b/src/libs/sound/audiocore.c new file mode 100644 index 0000000..440f63f --- /dev/null +++ b/src/libs/sound/audiocore.c @@ -0,0 +1,272 @@ +/* + * This program 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 2 of the License, or + * (at your option) any later version. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +/* Audio Core API (derived from OpenAL) + */ + +#include <stdio.h> +#include <stdlib.h> +#include "audiocore.h" +#include "sound.h" +#include "libs/log.h" + +static audio_Driver audiodrv; + +/* The globals that control the sound drivers. */ +int snddriver, soundflags; + +volatile bool audio_inited = false; + +/* + * Declarations for driver init funcs + */ + +#ifdef HAVE_OPENAL +sint32 openAL_Init (audio_Driver *driver, sint32 flags); +#endif +sint32 mixSDL_Init (audio_Driver *driver, sint32 flags); +sint32 noSound_Init (audio_Driver *driver, sint32 flags); + + +/* + * Initialization + */ + +sint32 +initAudio (sint32 driver, sint32 flags) +{ + sint32 ret; + +#ifdef HAVE_OPENAL + if (driver == audio_DRIVER_MIXSDL) + ret = mixSDL_Init (&audiodrv, flags); + else if (driver == audio_DRIVER_OPENAL) + ret = openAL_Init (&audiodrv, flags); + else + ret = noSound_Init (&audiodrv, flags); +#else + if (driver == audio_DRIVER_OPENAL) + { + log_add (log_Warning, "OpenAL driver not compiled in, so using MixSDL"); + driver = audio_DRIVER_MIXSDL; + } + if (driver == audio_DRIVER_MIXSDL) + ret = mixSDL_Init (&audiodrv, flags); + else + ret = noSound_Init (&audiodrv, flags); +#endif + + if (ret != 0) + { + log_add (log_Fatal, "Sound driver initialization failed.\n" + "This may happen when a soundcard is " + "not present or not available.\n" + "NOTICE: Try running UQM with '--sound=none' option"); + exit (EXIT_FAILURE); + } + + SetSFXVolume (sfxVolumeScale); + SetSpeechVolume (speechVolumeScale); + SetMusicVolume (musicVolume); + + audio_inited = true; + + return ret; +} + +void +unInitAudio (void) +{ + if (!audio_inited) + return; + + audio_inited = false; + audiodrv.Uninitialize (); +} + + +/* + * General + */ + +sint32 +audio_GetError (void) +{ + return audiodrv.GetError (); +} + + +/* + * Sources + */ + +void +audio_GenSources (uint32 n, audio_Object *psrcobj) +{ + audiodrv.GenSources (n, psrcobj); +} + +void +audio_DeleteSources (uint32 n, audio_Object *psrcobj) +{ + audiodrv.DeleteSources (n, psrcobj); +} + +bool +audio_IsSource (audio_Object srcobj) +{ + return audiodrv.IsSource (srcobj); +} + +void +audio_Sourcei (audio_Object srcobj, audio_SourceProp pname, + audio_IntVal value) + +{ + audiodrv.Sourcei (srcobj, audiodrv.EnumLookup[pname], value); +} + +void +audio_Sourcef (audio_Object srcobj, audio_SourceProp pname, + float value) +{ + audiodrv.Sourcef (srcobj, audiodrv.EnumLookup[pname], value); +} + +void +audio_Sourcefv (audio_Object srcobj, audio_SourceProp pname, + float *value) +{ + audiodrv.Sourcefv (srcobj, audiodrv.EnumLookup[pname], value); +} + +void +audio_GetSourcei (audio_Object srcobj, audio_SourceProp pname, + audio_IntVal *value) +{ + audiodrv.GetSourcei (srcobj, audiodrv.EnumLookup[pname], value); +} + +void +audio_GetSourcef (audio_Object srcobj, audio_SourceProp pname, + float *value) +{ + audiodrv.GetSourcef (srcobj, audiodrv.EnumLookup[pname], value); +} + +void +audio_SourceRewind (audio_Object srcobj) +{ + audiodrv.SourceRewind (srcobj); +} + +void +audio_SourcePlay (audio_Object srcobj) +{ + audiodrv.SourcePlay (srcobj); +} + +void +audio_SourcePause (audio_Object srcobj) +{ + audiodrv.SourcePause (srcobj); +} + +void +audio_SourceStop (audio_Object srcobj) +{ + audiodrv.SourceStop (srcobj); +} + +void +audio_SourceQueueBuffers (audio_Object srcobj, uint32 n, + audio_Object* pbufobj) +{ + audiodrv.SourceQueueBuffers (srcobj, n, pbufobj); +} + +void +audio_SourceUnqueueBuffers (audio_Object srcobj, uint32 n, + audio_Object* pbufobj) +{ + audiodrv.SourceUnqueueBuffers (srcobj, n, pbufobj); +} + + +/* + * Buffers + */ + +void +audio_GenBuffers (uint32 n, audio_Object *pbufobj) +{ + audiodrv.GenBuffers (n, pbufobj); +} + +void +audio_DeleteBuffers (uint32 n, audio_Object *pbufobj) +{ + audiodrv.DeleteBuffers (n, pbufobj); +} + +bool +audio_IsBuffer (audio_Object bufobj) +{ + return audiodrv.IsBuffer (bufobj); +} + +void +audio_GetBufferi (audio_Object bufobj, audio_BufferProp pname, + audio_IntVal *value) +{ + audiodrv.GetBufferi (bufobj, audiodrv.EnumLookup[pname], value); +} + +void +audio_BufferData (audio_Object bufobj, uint32 format, void* data, + uint32 size, uint32 freq) +{ + audiodrv.BufferData (bufobj, audiodrv.EnumLookup[format], data, size, + freq); +} + +bool +audio_GetFormatInfo (uint32 format, int *channels, int *sample_size) +{ + switch (format) + { + case audio_FORMAT_MONO8: + *channels = 1; + *sample_size = sizeof (uint8); + return true; + + case audio_FORMAT_STEREO8: + *channels = 2; + *sample_size = sizeof (uint8); + return true; + + case audio_FORMAT_MONO16: + *channels = 1; + *sample_size = sizeof (sint16); + return true; + + case audio_FORMAT_STEREO16: + *channels = 2; + *sample_size = sizeof (sint16); + return true; + } + return false; +} |