40 lines
1.1 KiB
Arduino
40 lines
1.1 KiB
Arduino
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/**
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* @brief Testing AC3AudioDecoder
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* install https://github.com/pschatzmann/codec-ac3
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*
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* Reads a raw AC-3 elementary stream (e.g. sample-1.ac3 from the
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* codec-ac3 library) from the SD card and plays it back via I2S.
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*/
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#include "AudioTools.h"
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#include "AudioTools/AudioLibs/AudioBoardStream.h"
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#include "AudioTools/AudioCodecs/CodecAC3.h"
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#include "SD.h"
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const char* file_name = "/sample-1.ac3";
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File ac3File;
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AudioBoardStream out(AudioKitEs8388V1);
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AC3AudioDecoder ac3dec;
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EncodedAudioStream decoder(&out, &ac3dec); // output to decoder
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StreamCopy copier(decoder, ac3File);
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void setup() {
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Serial.begin(115200);
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AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
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// setup i2s
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out.begin(out.defaultConfig());
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// setup SD card
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SPI.begin(PIN_AUDIO_KIT_SD_CARD_CLK, PIN_AUDIO_KIT_SD_CARD_MISO,
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PIN_AUDIO_KIT_SD_CARD_MOSI, PIN_AUDIO_KIT_SD_CARD_CS);
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while (!SD.begin(PIN_AUDIO_KIT_SD_CARD_CS)) {
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Serial.println("SD.begin failed");
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delay(1000);
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}
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ac3File = SD.open(file_name);
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decoder.begin();
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}
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void loop() { copier.copy(); }
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