Fabio
c36510c21e
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83 lines
3 KiB
C++
83 lines
3 KiB
C++
#pragma once
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#include "engine/community_models/sense_asr/assets.h"
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#include "engine/community_models/sense_asr/encoder.h"
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#include "engine/community_models/sense_asr/frontend.h"
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#include "engine/community_models/sense_asr/types.h"
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#include "engine/framework/assets/tensor_source.h"
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#include "engine/framework/model_spec/metadata.h"
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#include "engine/framework/runtime/session_base.h"
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#include "engine/framework/runtime/streaming_asr_session.h"
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#include <cstddef>
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#include <filesystem>
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#include <memory>
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#include <optional>
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#include <string>
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#include <vector>
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namespace engine::runtime {
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class ILoadedVoiceModel;
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}
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namespace engine::community_models::sense_asr {
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std::shared_ptr<runtime::IVoiceModelLoader> make_sense_asr_loader();
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class SenseAsrSession final : public runtime::RuntimeSessionBase,
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public runtime::IOfflineVoiceTaskSession,
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public runtime::StreamingAsrSessionBase {
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public:
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SenseAsrSession(
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runtime::TaskSpec task, runtime::SessionOptions options,
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std::shared_ptr<const SenseAsrAssets> assets,
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std::shared_ptr<const engine::model_spec::ModelContract> contract);
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~SenseAsrSession() override;
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std::string family() const override;
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runtime::VoiceTaskKind task_kind() const override;
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runtime::RunMode run_mode() const override;
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void prepare(const runtime::SessionPreparationRequest &request) override;
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runtime::TaskResult run(const runtime::TaskRequest &request) override;
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runtime::StreamingPolicy streaming_policy() const override;
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private:
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void begin_stream(const runtime::TaskRequest &request) override;
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void reset_stream_state() override;
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void consume_audio(const runtime::AudioChunk &chunk) override;
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void complete_stream(runtime::TaskResult & result) override;
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struct AudioChunkPlan {
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runtime::TimeSpan source_span;
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};
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struct AsrRequest {
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runtime::AudioBuffer audio;
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SenseAsrTranscriptionOptions transcription;
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};
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AsrRequest make_request(const runtime::TaskRequest &request) const;
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std::vector<AudioChunkPlan>
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audio_chunk_plan(const runtime::TaskRequest &request);
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runtime::IOfflineVoiceTaskSession &vad_session();
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runtime::TaskResult run_single(const AsrRequest &request);
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void process_available_stream_chunks(bool final);
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void process_one_stream_chunk(const runtime::AudioBuffer &audio);
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runtime::TaskSpec task_;
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std::shared_ptr<const SenseAsrAssets> assets_;
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std::shared_ptr<const engine::model_spec::ModelContract> contract_;
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size_t encoder_graph_arena_bytes_ = 1024ull * 1024ull * 1024ull;
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assets::TensorStorageType weight_storage_type_ =
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assets::TensorStorageType::Native;
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SenseAsrFrontend frontend_;
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SenseAsrEncoderRuntime encoder_;
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std::filesystem::path vad_model_path_;
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std::unique_ptr<runtime::ILoadedVoiceModel> vad_model_;
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std::unique_ptr<runtime::IOfflineVoiceTaskSession> vad_session_;
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runtime::TaskRequest streaming_request_;
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runtime::AudioBuffer streaming_audio_;
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size_t streaming_audio_offset_values_ = 0;
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int64_t streaming_windows_processed_ = 0;
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};
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} // namespace engine::community_models::sense_asr
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