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Implement audio component locking

Browse source 
and resolve issue with not playing all data.
The finish method is now obsolute.
This commit is contained in:
NP v/d Spek 2024-10-25 12:22:30 +02:00
parent 67eca17f87
commit f674e4509c
3 changed files with 50 additions and 61 deletions
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17
esphome/components/i2s_audio/i2s_audio.cpp
View file

@ -28,6 +28,23 @@ void I2SAudioComponent::setup() {
ESP_LOGCONFIG(TAG, "Setting up I2S Audio...");
}
bool I2SAudioComponent::lock_component(I2SAudioBase *audio) {
if (!this->is_compoment_locked(audio)) {
this->audio_base_ = audio;
return true;
}
return false;
}
void I2SAudioComponent::unlock_component(I2SAudioBase *audio) {
if (!this->is_compoment_locked(audio)) {
this->audio_base_ = nullptr;
}
}
bool I2SAudioComponent::is_compoment_locked(I2SAudioBase *audio) {
return !(this->audio_base_ == nullptr || this->audio_base_ == audio);
}
} // namespace i2s_audio
} // namespace esphome

46
esphome/components/i2s_audio/i2s_audio.h
View file

@ -21,9 +21,6 @@ class I2SAudioBase : public Parented<I2SAudioComponent> {
void set_use_apll(uint32_t use_apll) { this->use_apll_ = use_apll; }
protected:
virtual bool lock_component(uint32_t hash) = 0;
virtual void unlock_component(uint32_t hash) = 0;
i2s_mode_t i2s_mode_{};
i2s_channel_fmt_t channel_;
uint32_t sample_rate_;
@ -32,37 +29,9 @@ class I2SAudioBase : public Parented<I2SAudioComponent> {
bool use_apll_;
};
class I2SAudioIn : public I2SAudioBase {
protected:
void lock_component(uint32_t hash) overload {
if (this->parent_->component_in_lock_hash_ == 0 || this->parent_->component_in_lock_hash_ == hash) {
this->parent_->component_in_lock_hash_ = hash;
return true;
}
return false;
}
void unlock_component(uint32_t hash) {
if (this->parent_->component_in_lock_hash_ == hash) {
this->parent_->component_in_lock_hash_ = 0;
}
}
};
class I2SAudioIn : public I2SAudioBase {};
class I2SAudioOut : public I2SAudioBase {
protected:
void lock_component(uint32_t hash) overload {
if (this->parent_->component_out_lock_hash_ == 0 || this->parent_->component_out_lock_hash_ == hash) {
this->parent_->component_out_lock_hash_ = hash;
return true;
}
return false;
}
void unlock_component(uint32_t hash) {
if (this->parent_->component_out_lock_hash_ == hash) {
this->parent_->component_out_lock_hash_ = 0;
}
}
};
class I2SAudioOut : public I2SAudioBase {};
class I2SAudioComponent : public Component {
public:
@ -86,17 +55,16 @@ class I2SAudioComponent : public Component {
bool try_lock() { return this->lock_.try_lock(); }
void unlock() { this->lock_.unlock(); }
virtual bool lock_component(I2SAudioBase *audio);
virtual void unlock_component(I2SAudioBase *audio);
virtual bool is_compoment_locked(I2SAudioBase *audio);
i2s_port_t get_port() const { return this->port_; }
protected:
Mutex lock_;
/* the following property is used to allow locking a component to the i2s service.*/
uint32_t component_out_lock_hash_{0};
uint32_t component_in_lock_hash_{0};
I2SAudioIn *audio_in_{nullptr};
I2SAudioOut *audio_out_{nullptr};
I2SAudioBase *audio_base_{nullptr};
int mclk_pin_{I2S_PIN_NO_CHANGE};
int bclk_pin_{I2S_PIN_NO_CHANGE};

42
esphome/components/i2s_audio/speaker/i2s_audio_speaker.cpp
View file

@ -26,7 +26,6 @@ static const char *const TAG = "i2s_audio.speaker";
enum SpeakerEventGroupBits : uint32_t {
COMMAND_START = (1 << 0), // Starts the main task purpose
COMMAND_STOP = (1 << 1), // stops the main task
COMMAND_STOP_GRACEFULLY = (1 << 2), // Stops the task once all data has been written
MESSAGE_RING_BUFFER_AVAILABLE_TO_WRITE = (1 << 5), // Locks the ring buffer when not set
STATE_STARTING = (1 << 10),
STATE_RUNNING = (1 << 11),
@ -138,6 +137,7 @@ void I2SAudioSpeaker::loop() {
xEventGroupClearBits(this->event_group_, SpeakerEventGroupBits::ALL_BITS);
this->speaker_task_handle_ = nullptr;
}
this->parent_->unlock_component(this);
}
}
@ -152,6 +152,15 @@ size_t I2SAudioSpeaker::play(const uint8_t *data, size_t length, TickType_t tick
ESP_LOGE(TAG, "Cannot play audio, speaker failed to setup");
return 0;
}
// prevent adding new data until the speaker has stopped.
if (!this->parent_->lock_component(this)) {
ESP_LOGE(TAG, "Cannot play new audio, it being used by an other audio component.");
return 0;
}
if (this->state_ == speaker::STATE_STOPPING) {
return 0;
}
if (this->state_ != speaker::STATE_RUNNING && this->state_ != speaker::STATE_STARTING) {
this->start();
}
@ -184,15 +193,14 @@ bool I2SAudioSpeaker::has_buffered_data() const {
void I2SAudioSpeaker::speaker_task(void *params) {
I2SAudioSpeaker *this_speaker = (I2SAudioSpeaker *) params;
uint32_t event_group_bits =
xEventGroupWaitBits(this_speaker->event_group_,
SpeakerEventGroupBits::COMMAND_START | SpeakerEventGroupBits::COMMAND_STOP |
SpeakerEventGroupBits::COMMAND_STOP_GRACEFULLY, // Bit message to read
uint32_t event_group_bits = xEventGroupWaitBits(
this_speaker->event_group_,
SpeakerEventGroupBits::COMMAND_START | SpeakerEventGroupBits::COMMAND_STOP, // Bit message to read
pdTRUE, // Clear the bits on exit
pdFALSE, // Don't wait for all the bits,
portMAX_DELAY); // Block indefinitely until a bit is set
if (event_group_bits & (SpeakerEventGroupBits::COMMAND_STOP | SpeakerEventGroupBits::COMMAND_STOP_GRACEFULLY)) {
if (event_group_bits & (SpeakerEventGroupBits::COMMAND_STOP)) {
// Received a stop signal before the task was requested to start
this_speaker->delete_task_(0);
}
@ -234,9 +242,6 @@ void I2SAudioSpeaker::speaker_task(void *params) {
if (event_group_bits & SpeakerEventGroupBits::COMMAND_STOP) {
break;
}
if (event_group_bits & SpeakerEventGroupBits::COMMAND_STOP_GRACEFULLY) {
stop_gracefully = true;
}
size_t bytes_to_read = dma_buffers_size;
size_t bytes_read = this_speaker->audio_ring_buffer_->read((void *) this_speaker->data_buffer_, bytes_to_read,
@ -264,15 +269,6 @@ void I2SAudioSpeaker::speaker_task(void *params) {
if (bytes_written != bytes_read) {
xEventGroupSetBits(this_speaker->event_group_, SpeakerEventGroupBits::ERR_ESP_INVALID_SIZE);
}
} else {
// No data received
if (stop_gracefully) {
break;
}
i2s_zero_dma_buffer(this_speaker->parent_->get_port());
}
}
}
@ -293,6 +289,12 @@ void I2SAudioSpeaker::start() {
if ((this->state_ == speaker::STATE_STARTING) || (this->state_ == speaker::STATE_RUNNING))
return;
// prevent adding new data until the speaker has stopped.
if (!this->parent_->lock_component(this)) {
ESP_LOGE(TAG, "Cannot play audio, it being used by an other audio component.");
return;
}
if (this->speaker_task_handle_ == nullptr) {
xTaskCreate(I2SAudioSpeaker::speaker_task, "speaker_task", TASK_STACK_SIZE, (void *) this, TASK_PRIORITY,
&this->speaker_task_handle_);
@ -315,9 +317,11 @@ void I2SAudioSpeaker::stop_(bool wait_on_empty) {
return;
if (this->state_ == speaker::STATE_STOPPED)
return;
if (this->parent_->is_compoment_locked(this))
return;
if (wait_on_empty) {
xEventGroupSetBits(this->event_group_, SpeakerEventGroupBits::COMMAND_STOP_GRACEFULLY);
this->state_ = speaker::STATE_STOPPING;
} else {
xEventGroupSetBits(this->event_group_, SpeakerEventGroupBits::COMMAND_STOP);
}