mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-28 16:41:01 +00:00
a745fc3757
added libraries: opus flac libsndfile updated: libvorbis libogg openal - Everything works as expected for now. Bare in mind libsndfile needed the check for whether or not it could find the xiph libraries removed in order for this to work.
229 lines
7.5 KiB
C
229 lines
7.5 KiB
C
/*
|
|
* OpenAL Helpers
|
|
*
|
|
* Copyright (c) 2011 by Chris Robinson <chris.kcat@gmail.com>
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
/* This file contains routines to help with some menial OpenAL-related tasks,
|
|
* such as opening a device and setting up a context, closing the device and
|
|
* destroying its context, converting between frame counts and byte lengths,
|
|
* finding an appropriate buffer format, and getting readable strings for
|
|
* channel configs and sample types. */
|
|
|
|
#include "alhelpers.h"
|
|
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
|
|
#include "AL/al.h"
|
|
#include "AL/alc.h"
|
|
#include "AL/alext.h"
|
|
|
|
|
|
/* InitAL opens a device and sets up a context using default attributes, making
|
|
* the program ready to call OpenAL functions. */
|
|
int InitAL(char ***argv, int *argc)
|
|
{
|
|
const ALCchar *name;
|
|
ALCdevice *device;
|
|
ALCcontext *ctx;
|
|
|
|
/* Open and initialize a device */
|
|
device = NULL;
|
|
if(argc && argv && *argc > 1 && strcmp((*argv)[0], "-device") == 0)
|
|
{
|
|
device = alcOpenDevice((*argv)[1]);
|
|
if(!device)
|
|
fprintf(stderr, "Failed to open \"%s\", trying default\n", (*argv)[1]);
|
|
(*argv) += 2;
|
|
(*argc) -= 2;
|
|
}
|
|
if(!device)
|
|
device = alcOpenDevice(NULL);
|
|
if(!device)
|
|
{
|
|
fprintf(stderr, "Could not open a device!\n");
|
|
return 1;
|
|
}
|
|
|
|
ctx = alcCreateContext(device, NULL);
|
|
if(ctx == NULL || alcMakeContextCurrent(ctx) == ALC_FALSE)
|
|
{
|
|
if(ctx != NULL)
|
|
alcDestroyContext(ctx);
|
|
alcCloseDevice(device);
|
|
fprintf(stderr, "Could not set a context!\n");
|
|
return 1;
|
|
}
|
|
|
|
name = NULL;
|
|
if(alcIsExtensionPresent(device, "ALC_ENUMERATE_ALL_EXT"))
|
|
name = alcGetString(device, ALC_ALL_DEVICES_SPECIFIER);
|
|
if(!name || alcGetError(device) != AL_NO_ERROR)
|
|
name = alcGetString(device, ALC_DEVICE_SPECIFIER);
|
|
printf("Opened \"%s\"\n", name);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* CloseAL closes the device belonging to the current context, and destroys the
|
|
* context. */
|
|
void CloseAL(void)
|
|
{
|
|
ALCdevice *device;
|
|
ALCcontext *ctx;
|
|
|
|
ctx = alcGetCurrentContext();
|
|
if(ctx == NULL)
|
|
return;
|
|
|
|
device = alcGetContextsDevice(ctx);
|
|
|
|
alcMakeContextCurrent(NULL);
|
|
alcDestroyContext(ctx);
|
|
alcCloseDevice(device);
|
|
}
|
|
|
|
|
|
const char *FormatName(ALenum format)
|
|
{
|
|
switch(format)
|
|
{
|
|
case AL_FORMAT_MONO8: return "Mono, U8";
|
|
case AL_FORMAT_MONO16: return "Mono, S16";
|
|
case AL_FORMAT_MONO_FLOAT32: return "Mono, Float32";
|
|
case AL_FORMAT_MONO_MULAW: return "Mono, muLaw";
|
|
case AL_FORMAT_MONO_ALAW_EXT: return "Mono, aLaw";
|
|
case AL_FORMAT_MONO_IMA4: return "Mono, IMA4 ADPCM";
|
|
case AL_FORMAT_MONO_MSADPCM_SOFT: return "Mono, MS ADPCM";
|
|
case AL_FORMAT_STEREO8: return "Stereo, U8";
|
|
case AL_FORMAT_STEREO16: return "Stereo, S16";
|
|
case AL_FORMAT_STEREO_FLOAT32: return "Stereo, Float32";
|
|
case AL_FORMAT_STEREO_MULAW: return "Stereo, muLaw";
|
|
case AL_FORMAT_STEREO_ALAW_EXT: return "Stereo, aLaw";
|
|
case AL_FORMAT_STEREO_IMA4: return "Stereo, IMA4 ADPCM";
|
|
case AL_FORMAT_STEREO_MSADPCM_SOFT: return "Stereo, MS ADPCM";
|
|
case AL_FORMAT_QUAD8: return "Quadraphonic, U8";
|
|
case AL_FORMAT_QUAD16: return "Quadraphonic, S16";
|
|
case AL_FORMAT_QUAD32: return "Quadraphonic, Float32";
|
|
case AL_FORMAT_QUAD_MULAW: return "Quadraphonic, muLaw";
|
|
case AL_FORMAT_51CHN8: return "5.1 Surround, U8";
|
|
case AL_FORMAT_51CHN16: return "5.1 Surround, S16";
|
|
case AL_FORMAT_51CHN32: return "5.1 Surround, Float32";
|
|
case AL_FORMAT_51CHN_MULAW: return "5.1 Surround, muLaw";
|
|
case AL_FORMAT_61CHN8: return "6.1 Surround, U8";
|
|
case AL_FORMAT_61CHN16: return "6.1 Surround, S16";
|
|
case AL_FORMAT_61CHN32: return "6.1 Surround, Float32";
|
|
case AL_FORMAT_61CHN_MULAW: return "6.1 Surround, muLaw";
|
|
case AL_FORMAT_71CHN8: return "7.1 Surround, U8";
|
|
case AL_FORMAT_71CHN16: return "7.1 Surround, S16";
|
|
case AL_FORMAT_71CHN32: return "7.1 Surround, Float32";
|
|
case AL_FORMAT_71CHN_MULAW: return "7.1 Surround, muLaw";
|
|
case AL_FORMAT_BFORMAT2D_8: return "B-Format 2D, U8";
|
|
case AL_FORMAT_BFORMAT2D_16: return "B-Format 2D, S16";
|
|
case AL_FORMAT_BFORMAT2D_FLOAT32: return "B-Format 2D, Float32";
|
|
case AL_FORMAT_BFORMAT2D_MULAW: return "B-Format 2D, muLaw";
|
|
case AL_FORMAT_BFORMAT3D_8: return "B-Format 3D, U8";
|
|
case AL_FORMAT_BFORMAT3D_16: return "B-Format 3D, S16";
|
|
case AL_FORMAT_BFORMAT3D_FLOAT32: return "B-Format 3D, Float32";
|
|
case AL_FORMAT_BFORMAT3D_MULAW: return "B-Format 3D, muLaw";
|
|
case AL_FORMAT_UHJ2CHN8_SOFT: return "UHJ 2-channel, U8";
|
|
case AL_FORMAT_UHJ2CHN16_SOFT: return "UHJ 2-channel, S16";
|
|
case AL_FORMAT_UHJ2CHN_FLOAT32_SOFT: return "UHJ 2-channel, Float32";
|
|
case AL_FORMAT_UHJ3CHN8_SOFT: return "UHJ 3-channel, U8";
|
|
case AL_FORMAT_UHJ3CHN16_SOFT: return "UHJ 3-channel, S16";
|
|
case AL_FORMAT_UHJ3CHN_FLOAT32_SOFT: return "UHJ 3-channel, Float32";
|
|
case AL_FORMAT_UHJ4CHN8_SOFT: return "UHJ 4-channel, U8";
|
|
case AL_FORMAT_UHJ4CHN16_SOFT: return "UHJ 4-channel, S16";
|
|
case AL_FORMAT_UHJ4CHN_FLOAT32_SOFT: return "UHJ 4-channel, Float32";
|
|
}
|
|
return "Unknown Format";
|
|
}
|
|
|
|
|
|
#ifdef _WIN32
|
|
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#include <windows.h>
|
|
#include <mmsystem.h>
|
|
|
|
int altime_get(void)
|
|
{
|
|
static int start_time = 0;
|
|
int cur_time;
|
|
union {
|
|
FILETIME ftime;
|
|
ULARGE_INTEGER ulint;
|
|
} systime;
|
|
GetSystemTimeAsFileTime(&systime.ftime);
|
|
/* FILETIME is in 100-nanosecond units, or 1/10th of a microsecond. */
|
|
cur_time = (int)(systime.ulint.QuadPart/10000);
|
|
|
|
if(!start_time)
|
|
start_time = cur_time;
|
|
return cur_time - start_time;
|
|
}
|
|
|
|
void al_nssleep(unsigned long nsec)
|
|
{
|
|
Sleep(nsec / 1000000);
|
|
}
|
|
|
|
#else
|
|
|
|
#include <sys/time.h>
|
|
#include <unistd.h>
|
|
#include <time.h>
|
|
|
|
int altime_get(void)
|
|
{
|
|
static int start_time = 0u;
|
|
int cur_time;
|
|
|
|
#if _POSIX_TIMERS > 0
|
|
struct timespec ts;
|
|
int ret = clock_gettime(CLOCK_REALTIME, &ts);
|
|
if(ret != 0) return 0;
|
|
cur_time = (int)(ts.tv_sec*1000 + ts.tv_nsec/1000000);
|
|
#else /* _POSIX_TIMERS > 0 */
|
|
struct timeval tv;
|
|
int ret = gettimeofday(&tv, NULL);
|
|
if(ret != 0) return 0;
|
|
cur_time = (int)(tv.tv_sec*1000 + tv.tv_usec/1000);
|
|
#endif
|
|
|
|
if(!start_time)
|
|
start_time = cur_time;
|
|
return cur_time - start_time;
|
|
}
|
|
|
|
void al_nssleep(unsigned long nsec)
|
|
{
|
|
struct timespec ts, rem;
|
|
ts.tv_sec = (time_t)(nsec / 1000000000ul);
|
|
ts.tv_nsec = (long)(nsec % 1000000000ul);
|
|
while(nanosleep(&ts, &rem) == -1 && errno == EINTR)
|
|
ts = rem;
|
|
}
|
|
|
|
#endif
|