59 lines
1.3 KiB
C++
59 lines
1.3 KiB
C++
#include <LibAudio/Audio.h>
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#include <LibAudio/AudioStreams/SineWaveAudioStream.h>
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#include <stdio.h>
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#include <unistd.h>
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int main(int argc, char** argv)
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{
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if (argc != 2)
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{
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fprintf(stderr, "usage: %s FREQ|FILE\n", argv[0]);
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return 1;
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}
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auto audio = [argv]() -> LibAudio::Audio {
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char* endp;
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float freq = strtof(argv[1], &endp);
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if (*endp != '\0')
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{
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auto audio_or_error = LibAudio::Audio::load(argv[1]);
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if (!audio_or_error.is_error())
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return audio_or_error.release_value();
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fprintf(stderr, "failed to load %s: %s\n", argv[1], audio_or_error.error().get_message());
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exit(1);
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}
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auto sine_stream = LibAudio::SineWaveAudioStream::create(2, 48000, freq);
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if (sine_stream.is_error())
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{
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fprintf(stderr, "failed to create sine wave stream: %s\n", sine_stream.error().get_message());
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exit(1);
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}
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auto audio_or_error = LibAudio::Audio::create(sine_stream.release_value());
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if (audio_or_error.is_error())
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{
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fprintf(stderr, "failed to create sine wave stream: %s\n", audio_or_error.error().get_message());
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exit(1);
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}
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return audio_or_error.release_value();
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}();
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if (auto ret = audio.start(); ret.is_error())
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{
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fprintf(stderr, "failed start playing audio: %s\n", ret.error().get_message());
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return 1;
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}
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while (audio.is_playing())
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{
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usleep(10'000);
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audio.update();
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}
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return 0;
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}
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