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audio: Passing number to audio now generates a sinwave at that freq

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Bananymous
2026-08-24 01:44:37 +03:00
parent c6a435ed36
commit a38e29c59d
1 changed files with 30 additions and 8 deletions
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userspace/programs/audio/main.cpp
+30 -8
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@@ -1,4 +1,5 @@
#include <LibAudio/Audio.h> #include <LibAudio/Audio.h>
#include <LibAudio/AudioStreams/SineWaveAudioStream.h>
#include <stdio.h> #include <stdio.h>
#include <unistd.h> #include <unistd.h>
@@ -7,18 +8,39 @@ int main(int argc, char** argv)
{ {
if (argc != 2) if (argc != 2)
{ {
fprintf(stderr, "usage: %s FILE\n", argv[0]); fprintf(stderr, "usage: %s FREQ|FILE\n", argv[0]);
return 1; return 1;
} }
auto audio_or_error = LibAudio::Audio::load(argv[1]); auto audio = [argv]() -> LibAudio::Audio {
if (audio_or_error.is_error()) char* endp;
{ float freq = strtof(argv[1], &endp);
fprintf(stderr, "failed to load %s: %s\n", argv[1], audio_or_error.error().get_message());
return 1;
}
auto audio = audio_or_error.release_value(); if (*endp != '\0')
{
auto audio_or_error = LibAudio::Audio::load(argv[1]);
if (!audio_or_error.is_error())
return audio_or_error.release_value();
fprintf(stderr, "failed to load %s: %s\n", argv[1], audio_or_error.error().get_message());
exit(1);
}
auto sine_stream = LibAudio::SineWaveAudioStream::create(2, 48000, freq);
if (sine_stream.is_error())
{
fprintf(stderr, "failed to create sine wave stream: %s\n", sine_stream.error().get_message());
exit(1);
}
auto audio_or_error = LibAudio::Audio::create(sine_stream.release_value());
if (audio_or_error.is_error())
{
fprintf(stderr, "failed to create sine wave stream: %s\n", audio_or_error.error().get_message());
exit(1);
}
return audio_or_error.release_value();
}();
if (auto ret = audio.start(); ret.is_error()) if (auto ret = audio.start(); ret.is_error())
{ {