i2s_audio_media_player.h

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#pragma once
 
#ifdef USE_ESP32_FRAMEWORK_ARDUINO
 
#include "../i2s_audio.h"
 
#include <driver/i2s.h>
 
#include "esphome/components/media_player/media_player.h"
#include "esphome/core/component.h"
#include "esphome/core/gpio.h"
#include "esphome/core/helpers.h"
 
#include <Audio.h>
 
namespace esphome {
namespace i2s_audio {
 
enum I2SState : uint8_t {
  I2S_STATE_STOPPED = 0,
  I2S_STATE_STARTING,
  I2S_STATE_RUNNING,
  I2S_STATE_STOPPING,
};
 
class I2SAudioMediaPlayer : public Component, public Parented<I2SAudioComponent>, public media_player::MediaPlayer {
 public:
  void setup() override;
  float get_setup_priority() const override { return esphome::setup_priority::LATE; }
 
  void loop() override;
 
  void dump_config() override;
 
  void set_dout_pin(uint8_t pin) { this->dout_pin_ = pin; }
  void set_mute_pin(GPIOPin *mute_pin) { this->mute_pin_ = mute_pin; }
#if SOC_I2S_SUPPORTS_DAC
  void set_internal_dac_mode(i2s_dac_mode_t mode) { this->internal_dac_mode_ = mode; }
#endif
  void set_external_dac_channels(uint8_t channels) { this->external_dac_channels_ = channels; }
 
  void set_i2s_comm_fmt_lsb(bool lsb) { this->i2s_comm_fmt_lsb_ = lsb; }
 
  media_player::MediaPlayerTraits get_traits() override;
 
  bool is_muted() const override { return this->muted_; }
 
  void start();
  void stop();
 
 protected:
  void control(const media_player::MediaPlayerCall &call) override;
 
  void mute_();
  void unmute_();
  void set_volume_(float volume, bool publish = true);
 
  void start_();
  void stop_();
  void play_();
 
  I2SState i2s_state_{I2S_STATE_STOPPED};
  std::unique_ptr<Audio> audio_;
 
  uint8_t dout_pin_{0};
 
  GPIOPin *mute_pin_{nullptr};
  bool muted_{false};
  float unmuted_volume_{0};
 
#if SOC_I2S_SUPPORTS_DAC
  i2s_dac_mode_t internal_dac_mode_{I2S_DAC_CHANNEL_DISABLE};
#endif
  uint8_t external_dac_channels_;
 
  bool i2s_comm_fmt_lsb_;
 
  HighFrequencyLoopRequester high_freq_;
 
  optional<std::string> current_url_{};
  bool is_announcement_{false};
};
 
}  // namespace i2s_audio
}  // namespace esphome
 
#endif  // USE_ESP32_FRAMEWORK_ARDUINO