1 files changed, 79 insertions, 0 deletions
diff --git a/src/audio/fatfs_audio_input.cpp b/src/audio/fatfs_audio_input.cpp
new file mode 100644
index 00000000..1e8c35b8
--- /dev/null
+++ b/src/audio/fatfs_audio_input.cpp
@@ -0,0 +1,79 @@
+#include "fatfs_audio_input.hpp"
+#include <memory>
+
+#include "esp-adf/components/input_key_service/include/input_key_service.h"
+#include "esp_heap_caps.h"
+
+#include "audio_element.hpp"
+
+namespace audio {
+
+static const size_t kQueueItems = 0;
+static constexpr size_t kQueueItemSize = sizeof(IAudioElement::Command);
+static constexpr size_t kQueueSize = kQueueItems * kQueueItemSize;
+
+static const size_t kOutputBufferSize = 1024;
+
+FatfsAudioInput::FatfsAudioInput(std::shared_ptr<drivers::SdStorage> storage)
+    : IAudioElement(), storage_(storage) {
+  input_queue_memory_ = heap_caps_malloc(kQueueSize, MALLOC_CAP_SPIRAM);
+  input_queue_ = xQueueCreateStatic(
+      kQueueItems, kQueueItemSize, input_queue_memory_, &input_queue_metadata_);
+
+  output_queue_memory_ = heap_caps_malloc(kQueueSize, MALLOC_CAP_SPIRAM);
+  output_queue_ =
+      xQueueCreateStatic(kQueueItems, kQueueItemSize, output_queue_memory_,
+                         &output_queue_metadata_);
+
+  output_buffer_memory_ =
+      heap_caps_malloc(kOutputBufferSize, MALLOC_CAP_SPIRAM);
+  output_buffer_ =
+      xStreamBufferCreateStatic(kOutputBufferSize - 1, 1, output_buffer_memory_,
+                                &output_buffer_metadata_);
+}
+
+FatfsAudioInput::~FatfsAudioInput() {
+  vStreamBufferDelete(output_buffer_);
+  free(output_buffer_memory_);
+  vQueueDelete(output_queue_);
+  free(output_queue_memory_);
+  vQueueDelete(input_queue_);
+  free(input_queue_memory_);
+}
+
+auto FatfsAudioInput::InputCommandQueue() -> QueueHandle_t {
+  return input_queue_;
+}
+
+auto FatfsAudioInput::OutputCommandQueue() -> QueueHandle_t {
+  return output_queue_;
+}
+
+auto FatfsAudioInput::InputBuffer() -> StreamBufferHandle_t {
+  return nullptr;
+}
+
+auto FatfsAudioInput::OutputBuffer() -> StreamBufferHandle_t {
+  return output_buffer_;
+}
+
+auto FatfsAudioInput::ProcessElementCommand(void* command) -> void {
+  InputCommand *real = std::reinterpret_pointer_cast<input_key_service_add_key*>(command);
+
+  // TODO.
+}
+
+auto FatfsAudioInput::SkipElementCommand(void* command) -> void {
+  InputCommand *real = std::reinterpret_pointer_cast<input_key_service_add_key*>(command);
+  delete real;
+}
+
+auto FatfsAudioInput::ProcessData(uint8_t* data, uint16_t length) -> void {
+  // Not implemented.
+}
+
+auto FatfsAudioInput::ProcessIdle() -> void {
+  // TODO.
+}
+
+}  // namespace audio