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Update OpenAL-soft to 1.21.1

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This commit is contained in:
Miku AuahDark
2021-02-11 18:04:50 +08:00
parent 08f227997e
commit 904cc75ba8
358 changed files with 61122 additions and 60973 deletions
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libs/openal-soft/examples/altonegen.c
+32 -8
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@@ -44,6 +44,8 @@
#include "common/alhelpers.h"
#include "win_main_utf8.h"
#ifndef M_PI
#define M_PI (3.14159265358979323846)
#endif
@@ -82,22 +84,25 @@ static void ApplySin(ALfloat *data, ALdouble g, ALuint srate, ALuint freq)
ALdouble smps_per_cycle = (ALdouble)srate / freq;
ALuint i;
for(i = 0;i < srate;i++)
data[i] += (ALfloat)(sin(i/smps_per_cycle * 2.0*M_PI) * g);
{
ALdouble ival;
data[i] += (ALfloat)(sin(modf(i/smps_per_cycle, &ival) * 2.0*M_PI) * g);
}
}
/* Generates waveforms using additive synthesis. Each waveform is constructed
* by summing one or more sine waves, up to (and excluding) nyquist.
*/
static ALuint CreateWave(enum WaveType type, ALuint freq, ALuint srate)
static ALuint CreateWave(enum WaveType type, ALuint freq, ALuint srate, ALfloat gain)
{
ALuint seed = 22222;
ALint data_size;
ALuint data_size;
ALfloat *data;
ALuint buffer;
ALenum err;
ALuint i;
data_size = srate * sizeof(ALfloat);
data_size = (ALuint)(srate * sizeof(ALfloat));
data = calloc(1, data_size);
switch(type)
{
@@ -139,10 +144,16 @@ static ALuint CreateWave(enum WaveType type, ALuint freq, ALuint srate)
break;
}
if(gain != 1.0f)
{
for(i = 0;i < srate;i++)
data[i] *= gain;
}
/* Buffer the audio data into a new buffer object. */
buffer = 0;
alGenBuffers(1, &buffer);
alBufferData(buffer, AL_FORMAT_MONO_FLOAT32, data, data_size, srate);
alBufferData(buffer, AL_FORMAT_MONO_FLOAT32, data, (ALsizei)data_size, (ALsizei)srate);
free(data);
/* Check if an error occured, and clean up if so. */
@@ -170,6 +181,7 @@ int main(int argc, char *argv[])
ALint tone_freq = 1000;
ALCint dev_rate;
ALenum state;
ALfloat gain = 1.0f;
int i;
argv++; argc--;
@@ -185,7 +197,8 @@ int main(int argc, char *argv[])
for(i = 0;i < argc;i++)
{
if(strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0)
if(strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "-?") == 0
|| strcmp(argv[i], "--help") == 0)
{
fprintf(stderr, "OpenAL Tone Generator\n"
"\n"
@@ -197,6 +210,7 @@ int main(int argc, char *argv[])
" --waveform/-w <type> Waveform type: sine (default), square, sawtooth,\n"
" triangle, impulse, noise\n"
" --freq/-f <hz> Tone frequency (default 1000 hz)\n"
" --gain/-g <gain> gain 0.0 to 1 (default 1)\n"
" --srate/-s <sample rate> Sampling rate (default output rate)\n",
appname
);
@@ -236,6 +250,16 @@ int main(int argc, char *argv[])
tone_freq = 1;
}
}
else if(i+1 < argc && (strcmp(argv[i], "--gain") == 0 || strcmp(argv[i], "-g") == 0))
{
i++;
gain = (ALfloat)atof(argv[i]);
if(gain < 0.0f || gain > 1.0f)
{
fprintf(stderr, "Invalid gain: %s (min: 0.0, max 1.0)\n", argv[i]);
gain = 1.0f;
}
}
else if(i+1 < argc && (strcmp(argv[i], "--srate") == 0 || strcmp(argv[i], "-s") == 0))
{
i++;
@@ -257,7 +281,7 @@ int main(int argc, char *argv[])
srate = dev_rate;
/* Load the sound into a buffer. */
buffer = CreateWave(wavetype, tone_freq, srate);
buffer = CreateWave(wavetype, (ALuint)tone_freq, (ALuint)srate, gain);
if(!buffer)
{
CloseAL();
@@ -271,7 +295,7 @@ int main(int argc, char *argv[])
/* Create the source to play the sound with. */
source = 0;
alGenSources(1, &source);
alSourcei(source, AL_BUFFER, buffer);
alSourcei(source, AL_BUFFER, (ALint)buffer);
assert(alGetError()==AL_NO_ERROR && "Failed to setup sound source");
/* Play the sound for a while. */