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/*
* Copyright 2023 jacqueline <me@jacqueline.id.au>
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#include "bt_audio_output.hpp"
#include <algorithm>
#include <cstddef>
#include <cstdint>
#include <memory>
#include <variant>
#include "esp_err.h"
#include "esp_heap_caps.h"
#include "freertos/portmacro.h"
#include "freertos/projdefs.h"
#include "gpios.hpp"
#include "i2c.hpp"
#include "i2s_dac.hpp"
#include "result.hpp"
#include "wm8523.hpp"
static const char* kTag = "BTOUT";
namespace audio {
BluetoothAudioOutput::BluetoothAudioOutput(StreamBufferHandle_t s,
drivers::Bluetooth& bt)
: IAudioOutput(s), bluetooth_(bt) {}
BluetoothAudioOutput::~BluetoothAudioOutput() {}
auto BluetoothAudioOutput::SetInUse(bool in_use) -> void {
if (in_use) {
bluetooth_.SetSource(stream());
} else {
bluetooth_.SetSource(nullptr);
}
}
auto BluetoothAudioOutput::SetVolumeImbalance(int_fast8_t balance) -> void {}
auto BluetoothAudioOutput::SetVolume(uint_fast8_t percent) -> void {}
auto BluetoothAudioOutput::GetVolume() -> uint_fast8_t {
return 50;
}
auto BluetoothAudioOutput::AdjustVolumeUp() -> bool {
return false;
}
auto BluetoothAudioOutput::AdjustVolumeDown() -> bool {
return false;
}
auto BluetoothAudioOutput::PrepareFormat(const Format& orig) -> Format {
// ESP-IDF's current Bluetooth implementation currently handles SBC encoding,
// but requires a fixed input format.
return Format{
.sample_rate = 44100,
.num_channels = 2,
.bits_per_sample = 16,
};
}
auto BluetoothAudioOutput::Configure(const Format& fmt) -> void {
// No configuration necessary; the output format is fixed.
}
} // namespace audio
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