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//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef THIRD_PARTY_ODML_LITERT_LM_RUNTIME_EXECUTOR_AUDIO_EXECUTOR_BASE_H_
#define THIRD_PARTY_ODML_LITERT_LM_RUNTIME_EXECUTOR_AUDIO_EXECUTOR_BASE_H_
#include <memory>
#include "absl/status/statusor.h" // from @com_google_absl
#include "litert/cc/litert_tensor_buffer.h" // from @litert
#include "runtime/engine/io_types.h"
#include "runtime/executor/llm_executor_io_types.h"
namespace litert::lm {
class AudioExecutorBase {
public:
virtual ~AudioExecutorBase() = default;
// ------------Encode APIs------------:
// Basic API to trigger the "encode" process.
// Input is audio spectrogram tensor with shape `[batch, 1, frame,
// num_channels]`. Output is audio data which contains main embeddings with
// shape `[batch, 1, num_audio_tokens, model_dimension]`.
virtual absl::StatusOr<::litert::lm::ExecutorAudioData> Encode(
const litert::TensorBuffer& spectrogram_tensor) = 0;
// Reset the audio executor to its initial state. It must be called for
// streaming audio models after finishing an audio stream.
virtual absl::Status Reset() {
return absl::UnimplementedError("Not implemented.");
}
// Create a new audio context for the audio executor.
virtual absl::StatusOr<std::unique_ptr<AudioContext>> CreateNewContext() {
return absl::UnimplementedError("Not implemented.");
};
// Clone the audio context for the audio executor.
virtual absl::StatusOr<std::unique_ptr<AudioContext>> CloneContext() {
return absl::UnimplementedError("Not implemented.");
}
// Clone the audio context from the given audio context.
virtual absl::StatusOr<std::unique_ptr<AudioContext>> CloneContext(
const AudioContext& audio_context) {
return absl::UnimplementedError("Not implemented.");
}
// Restore the audio context for the audio executor.
virtual absl::Status RestoreContext(
std::unique_ptr<AudioContext> audio_context) {
return absl::UnimplementedError("Not implemented.");
}
// Get the audio executor properties.
virtual absl::StatusOr<AudioExecutorProperties> GetAudioExecutorProperties()
const {
return absl::UnimplementedError("Not implemented.");
}
};
} // namespace litert::lm
#endif // THIRD_PARTY_ODML_LITERT_LM_RUNTIME_EXECUTOR_AUDIO_EXECUTOR_BASE_H_
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