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This commit is contained in:
Adam D. Ruppe 2025-10-12 20:33:56 -04:00
parent 4c1ec5822b
commit ba59904b1e
1 changed files with 12 additions and 7 deletions
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19
simpleaudio.d
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@ -68,6 +68,8 @@ enum BUFFER_SIZE_SHORT = BUFFER_SIZE_FRAMES * 2;
/// A reasonable default volume for an individual sample. It doesn't need to be large; in fact it needs to not be large so mixing doesn't clip too much.
enum DEFAULT_VOLUME = 20;
private enum PI = 3.14159265358979323;
version(Demo_simpleaudio)
void main() {
/+
@ -382,6 +384,9 @@ class DummySample : SampleController {
}
private final class SampleControlFlags : SampleController {
import arsd.core : EnableSynchronization;
mixin EnableSynchronization;
void pause() { paused_ = true; }
void resume() { paused_ = false; }
void stop() { paused_ = false; stopped = true; }
@ -927,7 +932,7 @@ final class AudioPcmOutThreadImplementation : Thread {
s.balance = balance;
s.f = delegate short(int x) {
auto currentFrequency = cast(float) freqBase / (1 + cast(float) x / (cast(float) SampleRate / attack));
import std.math;
import core.stdc.math;
auto freq = 2 * PI / (cast(float) SampleRate / currentFrequency);
return cast(short) (sin(cast(float) freq * cast(float) x) * short.max * volume / 100);
};
@ -944,7 +949,7 @@ final class AudioPcmOutThreadImplementation : Thread {
s.balance = balance;
s.f = delegate short(int x) {
auto currentFrequency = cast(float) freqBase * (1 + cast(float) x / (cast(float) SampleRate / attack));
import std.math;
import core.stdc.math;
auto freq = 2 * PI / (cast(float) SampleRate / currentFrequency);
return cast(short) (sin(cast(float) freq * cast(float) x) * short.max * volume / 100);
};
@ -959,7 +964,7 @@ final class AudioPcmOutThreadImplementation : Thread {
s.duration = dur * SampleRate / 1000;
s.f = delegate short(int x) {
auto currentFrequency = 500.0 / (1 + cast(float) x / (cast(float) SampleRate / 8));
import std.math;
import core.stdc.math;
auto freq = 2 * PI / (cast(float) SampleRate / currentFrequency);
return cast(short) (sin(cast(float) freq * cast(float) x) * short.max * volume / 100);
};
@ -981,8 +986,8 @@ final class AudioPcmOutThreadImplementation : Thread {
The seek method is not yet implemented.
+/
SampleController playEmulatedOpl3Midi()(string filename, bool loop = false) {
import std.file;
auto bytes = cast(immutable(ubyte)[]) std.file.read(filename);
import arsd.core;
auto bytes = cast(immutable(ubyte)[]) readBinaryFile(filename); // cast(immutable(ubyte)[]) std.file.read(filename);
return playEmulatedOpl3Midi(bytes);
}
@ -4202,7 +4207,7 @@ version(with_resampler) {
/*8, 24, 40, 56, 80, 104, 128, 160, 200, 256, 320*/
double computeFunc (float x, immutable FuncDef* func) {
version(Posix) import core.stdc.math : lrintf;
import std.math : floor;
import core.stdc.math;
//double[4] interp;
float y = x*func.oversample;
version(Posix) {
@ -4231,7 +4236,7 @@ version(with_resampler) {
} else {
static T fabs(T) (T n) pure { static if (__VERSION__ > 2067) pragma(inline, true); return (n < 0 ? -n : n); }
}
import std.math : sin, PI;
import core.stdc.math;
version(LittleEndian) {
temp_float txx = void;
txx.f = x;