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Update OpenAL-soft to 1.23.1-bc7cb17.

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This commit is contained in:
Miku AuahDark
2024-03-20 11:06:03 +08:00
parent 4a512be715
commit 73a6fc9196
294 changed files with 44342 additions and 40077 deletions
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libs/openal-soft/examples/altonegen.c
+43 -34
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@@ -79,63 +79,72 @@ static inline ALuint dither_rng(ALuint *seed)
return *seed;
}
static void ApplySin(ALfloat *data, ALdouble g, ALuint srate, ALuint freq)
static void ApplySin(ALfloat *data, ALuint length, ALdouble g, ALuint srate, ALuint freq)
{
ALdouble smps_per_cycle = (ALdouble)srate / freq;
ALdouble cycles_per_sample = (ALdouble)freq / srate;
ALuint i;
for(i = 0;i < srate;i++)
for(i = 0;i < length;i++)
{
ALdouble ival;
data[i] += (ALfloat)(sin(modf(i/smps_per_cycle, &ival) * 2.0*M_PI) * g);
data[i] += (ALfloat)(sin(modf(i*cycles_per_sample, &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, ALfloat gain)
static ALuint CreateWave(enum WaveType type, ALuint seconds, ALuint freq, ALuint srate,
ALfloat gain)
{
ALuint seed = 22222;
ALuint num_samples;
ALuint data_size;
ALfloat *data;
ALuint buffer;
ALenum err;
ALuint i;
data_size = (ALuint)(srate * sizeof(ALfloat));
if(seconds > INT_MAX / srate / sizeof(ALfloat))
{
fprintf(stderr, "Too many seconds: %u * %u * %zu > %d\n", seconds, srate, sizeof(ALfloat),
INT_MAX);
return 0;
}
num_samples = seconds * srate;
data_size = (ALuint)(num_samples * sizeof(ALfloat));
data = calloc(1, data_size);
switch(type)
{
case WT_Sine:
ApplySin(data, 1.0, srate, freq);
ApplySin(data, num_samples, 1.0, srate, freq);
break;
case WT_Square:
for(i = 1;freq*i < srate/2;i+=2)
ApplySin(data, 4.0/M_PI * 1.0/i, srate, freq*i);
ApplySin(data, num_samples, 4.0/M_PI * 1.0/i, srate, freq*i);
break;
case WT_Sawtooth:
for(i = 1;freq*i < srate/2;i++)
ApplySin(data, 2.0/M_PI * ((i&1)*2 - 1.0) / i, srate, freq*i);
ApplySin(data, num_samples, 2.0/M_PI * ((i&1)*2 - 1.0) / i, srate, freq*i);
break;
case WT_Triangle:
for(i = 1;freq*i < srate/2;i+=2)
ApplySin(data, 8.0/(M_PI*M_PI) * (1.0 - (i&2)) / (i*i), srate, freq*i);
ApplySin(data, num_samples, 8.0/(M_PI*M_PI) * (1.0 - (i&2)) / (i*i), srate, freq*i);
break;
case WT_Impulse:
/* NOTE: Impulse isn't handled using additive synthesis, and is
* instead just a non-0 sample at a given rate. This can still be
* useful to test (other than resampling, the ALSOFT_DEFAULT_REVERB
* environment variable can prove useful here to test the reverb
* response).
* instead just a non-0 sample. This can be useful to test (other
* than resampling, the ALSOFT_DEFAULT_REVERB environment variable
* can test the reverb response).
*/
for(i = 0;i < srate;i++)
data[i] = (i%(srate/freq)) ? 0.0f : 1.0f;
data[0] = 1.0f;
break;
case WT_WhiteNoise:
/* NOTE: WhiteNoise is just uniform set of uncorrelated values, and
* is not influenced by the waveform frequency.
*/
for(i = 0;i < srate;i++)
for(i = 0;i < num_samples;i++)
{
ALuint rng0 = dither_rng(&seed);
ALuint rng1 = dither_rng(&seed);
@@ -146,7 +155,7 @@ static ALuint CreateWave(enum WaveType type, ALuint freq, ALuint srate, ALfloat
if(gain != 1.0f)
{
for(i = 0;i < srate;i++)
for(i = 0;i < num_samples;i++)
data[i] *= gain;
}
@@ -156,7 +165,7 @@ static ALuint CreateWave(enum WaveType type, ALuint freq, ALuint srate, ALfloat
alBufferData(buffer, AL_FORMAT_MONO_FLOAT32, data, (ALsizei)data_size, (ALsizei)srate);
free(data);
/* Check if an error occured, and clean up if so. */
/* Check if an error occurred, and clean up if so. */
err = alGetError();
if(err != AL_NO_ERROR)
{
@@ -175,8 +184,8 @@ int main(int argc, char *argv[])
enum WaveType wavetype = WT_Sine;
const char *appname = argv[0];
ALuint source, buffer;
ALint last_pos, num_loops;
ALint max_loops = 4;
ALint last_pos;
ALint seconds = 4;
ALint srate = -1;
ALint tone_freq = 1000;
ALCint dev_rate;
@@ -217,10 +226,13 @@ int main(int argc, char *argv[])
CloseAL();
return 1;
}
else if(i+1 < argc && strcmp(argv[i], "-t") == 0)
if(i+1 < argc && strcmp(argv[i], "-t") == 0)
{
i++;
max_loops = atoi(argv[i]) - 1;
seconds = atoi(argv[i]);
if(seconds <= 0)
seconds = 4;
}
else if(i+1 < argc && (strcmp(argv[i], "--waveform") == 0 || strcmp(argv[i], "-w") == 0))
{
@@ -281,7 +293,7 @@ int main(int argc, char *argv[])
srate = dev_rate;
/* Load the sound into a buffer. */
buffer = CreateWave(wavetype, (ALuint)tone_freq, (ALuint)srate, gain);
buffer = CreateWave(wavetype, (ALuint)seconds, (ALuint)tone_freq, (ALuint)srate, gain);
if(!buffer)
{
CloseAL();
@@ -289,7 +301,7 @@ int main(int argc, char *argv[])
}
printf("Playing %dhz %s-wave tone with %dhz sample rate and %dhz output, for %d second%s...\n",
tone_freq, GetWaveTypeName(wavetype), srate, dev_rate, max_loops+1, max_loops?"s":"");
tone_freq, GetWaveTypeName(wavetype), srate, dev_rate, seconds, (seconds!=1)?"s":"");
fflush(stdout);
/* Create the source to play the sound with. */
@@ -299,21 +311,18 @@ int main(int argc, char *argv[])
assert(alGetError()==AL_NO_ERROR && "Failed to setup sound source");
/* Play the sound for a while. */
num_loops = 0;
last_pos = 0;
alSourcei(source, AL_LOOPING, (max_loops > 0) ? AL_TRUE : AL_FALSE);
last_pos = -1;
alSourcePlay(source);
do {
ALint pos;
al_nssleep(10000000);
alGetSourcei(source, AL_SAMPLE_OFFSET, &pos);
alGetSourcei(source, AL_SOURCE_STATE, &state);
if(pos < last_pos && state == AL_PLAYING)
alGetSourcei(source, AL_SAMPLE_OFFSET, &pos);
pos /= srate;
if(pos > last_pos)
{
++num_loops;
if(num_loops >= max_loops)
alSourcei(source, AL_LOOPING, AL_FALSE);
printf("%d...\n", max_loops - num_loops + 1);
printf("%d...\n", seconds - pos);
fflush(stdout);
}
last_pos = pos;