42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
#include "AudioTools.h"
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#include "AudioTools/AudioCodecs/CodecWAV.h"
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#include "AudioTools/AudioCodecs/CodecADPCM.h"
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AudioInfo info(16000, 2, 16);
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SineWaveGenerator<int16_t> sineWave( 32000);
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GeneratedSoundStream<int16_t> sound( sineWave);
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CsvOutput<int16_t> out(Serial);
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AVCodecID id = AV_CODEC_ID_ADPCM_IMA_WAV;
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ADPCMDecoder adpcm_decoder(id);
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ADPCMEncoder adpcm_encoder(id);
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WAVDecoder wav_decoder(adpcm_decoder, AudioFormat::ADPCM);
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WAVEncoder wav_encoder(adpcm_encoder, AudioFormat::ADPCM);
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EncodedAudioStream decoder(&out, &wav_decoder);
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EncodedAudioStream encoder(&decoder, &wav_encoder);
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StreamCopy copier(encoder, sound);
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void setup() {
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Serial.begin(115200);
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AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Warning);
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// start Output
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auto cfgi = out.defaultConfig(TX_MODE);
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cfgi.copyFrom(info);
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out.begin(cfgi);
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// Setup sine wave
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auto cfgs = sineWave.defaultConfig();
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cfgs.copyFrom(info);
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sineWave.begin(info, N_B4);
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// start decoder
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decoder.begin(info);
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// start encoder
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encoder.begin(info);
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}
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void loop() {
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copier.copy();
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}
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