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authorjacqueline <me@jacqueline.id.au>2024-05-02 19:12:26 +1000
committerjacqueline <me@jacqueline.id.au>2024-05-02 19:12:26 +1000
commit1573a8c4cde1cd9528b422b2dcc598e37ffe94a7 (patch)
treed162822b8fd7054f81bace0c7a65ab4d5e6f93ef /src/audio/bt_audio_output.cpp
parenta231fd1c8afedbeb14b0bc77d76bad61db986059 (diff)
downloadtangara-fw-1573a8c4cde1cd9528b422b2dcc598e37ffe94a7.tar.gz
WIP merge cyclically dependent components into one big component
Diffstat (limited to 'src/audio/bt_audio_output.cpp')
-rw-r--r--src/audio/bt_audio_output.cpp124
1 files changed, 0 insertions, 124 deletions
diff --git a/src/audio/bt_audio_output.cpp b/src/audio/bt_audio_output.cpp
deleted file mode 100644
index 229a38bb..00000000
--- a/src/audio/bt_audio_output.cpp
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * Copyright 2023 jacqueline <me@jacqueline.id.au>
- *
- * SPDX-License-Identifier: GPL-3.0-only
- */
-
-#include "bt_audio_output.hpp"
-
-#include <algorithm>
-#include <cmath>
-#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 "tasks.hpp"
-#include "wm8523.hpp"
-
-[[maybe_unused]] static const char* kTag = "BTOUT";
-
-namespace audio {
-
-static constexpr uint16_t kVolumeRange = 60;
-
-BluetoothAudioOutput::BluetoothAudioOutput(StreamBufferHandle_t s,
- drivers::Bluetooth& bt,
- tasks::WorkerPool& p)
- : IAudioOutput(s), bluetooth_(bt), bg_worker_(p), volume_() {}
-
-BluetoothAudioOutput::~BluetoothAudioOutput() {}
-
-auto BluetoothAudioOutput::changeMode(Modes mode) -> void {
- if (mode == Modes::kOnPlaying) {
- bluetooth_.SetSource(stream());
- } else {
- bluetooth_.SetSource(nullptr);
- }
-}
-
-auto BluetoothAudioOutput::SetVolumeImbalance(int_fast8_t balance) -> void {
- // FIXME: Support two separate scaling factors in the bluetooth driver.
-}
-
-auto BluetoothAudioOutput::SetVolume(uint16_t v) -> void {
- volume_ = std::clamp<uint16_t>(v, 0, 100);
- bg_worker_.Dispatch<void>([&]() {
- float factor =
- pow(10, static_cast<double>(kVolumeRange) * (volume_ - 100) / 100 / 20);
- bluetooth_.SetVolumeFactor(factor);
- });
-}
-
-auto BluetoothAudioOutput::GetVolume() -> uint16_t {
- return volume_;
-}
-
-auto BluetoothAudioOutput::GetVolumePct() -> uint_fast8_t {
- return static_cast<uint_fast8_t>(round(static_cast<int>(volume_)));
-}
-
-auto BluetoothAudioOutput::SetVolumePct(uint_fast8_t val) -> bool {
- if (val > 100) {
- return false;
- }
- SetVolume(val);
- return true;
-}
-
-auto BluetoothAudioOutput::GetVolumeDb() -> int_fast16_t {
- double pct = GetVolumePct() / 100.0;
- if (pct <= 0) {
- pct = 0.01;
- }
- int_fast16_t db = log(pct) * 20;
- return db;
-}
-
-auto BluetoothAudioOutput::SetVolumeDb(int_fast16_t val) -> bool {
- double pct = exp(val / 20.0) * 100;
- return SetVolumePct(pct);
-}
-
-auto BluetoothAudioOutput::AdjustVolumeUp() -> bool {
- if (volume_ == 100 || !bluetooth_.IsConnected()) {
- return false;
- }
- volume_++;
- SetVolume(volume_);
- return true;
-}
-
-auto BluetoothAudioOutput::AdjustVolumeDown() -> bool {
- if (volume_ == 0 || !bluetooth_.IsConnected()) {
- return false;
- }
- volume_--;
- SetVolume(volume_);
- return true;
-}
-
-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 = 48000,
- .num_channels = 2,
- .bits_per_sample = 16,
- };
-}
-
-auto BluetoothAudioOutput::Configure(const Format& fmt) -> void {
- // No configuration necessary; the output format is fixed.
-}
-
-} // namespace audio