#include "audio_codec.h" #include "board.h" #include #include #define TAG "AudioCodec" AudioCodec::AudioCodec() { } AudioCodec::~AudioCodec() { if (audio_input_task_ != nullptr) { vTaskDelete(audio_input_task_); } } void AudioCodec::OnInputData(std::function&& data)> callback) { on_input_data_ = callback; // 创建音频输入任务 if (audio_input_task_ == nullptr) { xTaskCreate([](void* arg) { auto audio_device = (AudioCodec*)arg; audio_device->InputTask(); }, "audio_input", 4096 * 2, this, 3, &audio_input_task_); } } void AudioCodec::OutputData(std::vector& data) { Write(data.data(), data.size()); } void AudioCodec::InputTask() { int duration = 30; int input_frame_size = input_sample_rate_ / 1000 * duration * input_channels_; while (true) { std::vector input_data(input_frame_size); int samples = Read(input_data.data(), input_data.size()); if (samples > 0) { if (on_input_data_) { on_input_data_(std::move(input_data)); } } } } void AudioCodec::SetOutputVolume(int volume) { output_volume_ = volume; ESP_LOGI(TAG, "Set output volume to %d", output_volume_); } void AudioCodec::EnableInput(bool enable) { if (enable == input_enabled_) { return; } input_enabled_ = enable; ESP_LOGI(TAG, "Set input enable to %s", enable ? "true" : "false"); } void AudioCodec::EnableOutput(bool enable) { if (enable == output_enabled_) { return; } output_enabled_ = enable; ESP_LOGI(TAG, "Set output enable to %s", enable ? "true" : "false"); }