Fabio
c36510c21e
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120 lines
4.2 KiB
C++
120 lines
4.2 KiB
C++
#pragma once
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#include "engine/framework/audio/chunking.h"
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#include "engine/framework/runtime/model.h"
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#include "engine/framework/runtime/session_base.h"
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#include "engine/community_models/granite5asr/assets.h"
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#include "engine/community_models/granite5asr/encoder.h"
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#include "engine/community_models/granite5asr/frontend.h"
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#include <memory>
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#include <string>
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#include <vector>
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namespace engine::community_models::granite5asr {
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struct TimedTranscript {
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runtime::Transcript transcript;
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std::vector<runtime::WordTimestamp> words;
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};
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class Granite5ASRSessionBase : public runtime::RuntimeSessionBase {
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public:
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Granite5ASRSessionBase(
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runtime::TaskSpec task,
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runtime::SessionOptions options,
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std::shared_ptr<const Granite5ASRAssets> assets);
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~Granite5ASRSessionBase() override;
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protected:
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std::string family_impl() const;
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runtime::VoiceTaskKind task_kind_impl() const;
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runtime::RunMode run_mode_impl() const;
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TimedTranscript transcribe_audio(
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const runtime::AudioBuffer & audio,
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const std::unordered_map<std::string, std::string> & options);
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runtime::IOfflineVoiceTaskSession & vad_session();
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runtime::TaskSpec task_;
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std::shared_ptr<const Granite5ASRAssets> assets_;
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Granite5Frontend frontend_;
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std::unique_ptr<Granite5ConformerEncoderRuntime> encoder_;
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std::string 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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};
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class Granite5ASROfflineSession final
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: public Granite5ASRSessionBase
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, public runtime::IOfflineVoiceTaskSession {
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public:
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Granite5ASROfflineSession(
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runtime::TaskSpec task,
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runtime::SessionOptions options,
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std::shared_ptr<const Granite5ASRAssets> assets);
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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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};
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class Granite5ASRStreamingSession final
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: public Granite5ASRSessionBase
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, public runtime::IStreamingVoiceTaskSession {
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public:
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Granite5ASRStreamingSession(
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runtime::TaskSpec task,
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runtime::SessionOptions options,
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std::shared_ptr<const Granite5ASRAssets> assets);
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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::StreamingPolicy streaming_policy() const override;
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void start_stream(const runtime::TaskRequest & request) override;
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void set_stream_event_sink(runtime::StreamEventCallback sink) override;
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void reset() override;
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runtime::StreamEvent process_audio_chunk(const runtime::AudioChunk & chunk) override;
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runtime::TaskResult finish_stream() override;
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runtime::TaskResult finalize() override;
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private:
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void remap_stream_words(std::vector<runtime::WordTimestamp> & words) const;
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runtime::StreamEventCallback stream_event_sink_;
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runtime::AudioBuffer streaming_audio_;
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runtime::TaskRequest streaming_request_;
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int32_t stream_input_rate_ = 0;
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int64_t stream_input_samples_ = 0;
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};
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class Granite5ASRLoadedModel final : public runtime::ILoadedVoiceModel {
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public:
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Granite5ASRLoadedModel(
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runtime::ModelMetadata metadata,
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runtime::CapabilitySet capabilities,
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std::shared_ptr<const Granite5ASRAssets> assets);
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const runtime::ModelMetadata & metadata() const noexcept override;
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const runtime::CapabilitySet & capabilities() const noexcept override;
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std::unique_ptr<runtime::IVoiceTaskSession> create_task_session(
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const runtime::TaskSpec & task,
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const runtime::SessionOptions & options) const override;
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private:
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runtime::ModelMetadata metadata_;
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runtime::CapabilitySet capabilities_;
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std::shared_ptr<const Granite5ASRAssets> assets_;
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};
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std::unique_ptr<Granite5ASRLoadedModel> load_granite5asr_model(
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const runtime::ModelLoadRequest & request);
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std::shared_ptr<runtime::IVoiceModelLoader> make_granite5asr_loader();
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} // namespace engine::community_models::granite5asr
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