Fabio
c36510c21e
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137 lines
5.5 KiB
C++
137 lines
5.5 KiB
C++
#pragma once
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#include "engine/framework/runtime/streaming_asr_session.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/community_models/parakeet_tdt/assets.h"
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#include "engine/community_models/parakeet_tdt/decoder.h"
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#include "engine/community_models/parakeet_tdt/encoder.h"
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#include "engine/community_models/parakeet_tdt/frontend.h"
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#include "engine/community_models/parakeet_tdt/weights.h"
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#include <cstddef>
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#include <cstdint>
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#include <filesystem>
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#include <memory>
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#include <string>
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#include <unordered_map>
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#include <vector>
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namespace engine::community_models::parakeet_tdt {
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std::shared_ptr<runtime::IVoiceModelLoader> make_parakeet_tdt_loader();
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std::shared_ptr<runtime::IVoiceModelLoader> make_phonon2_asr_loader();
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std::shared_ptr<runtime::IVoiceModelLoader> make_underdog_bark3_loader();
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std::shared_ptr<runtime::IVoiceModelLoader> make_haas_asr_loader();
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class ParakeetTDTSessionBase : public runtime::RuntimeSessionBase {
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public:
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ParakeetTDTSessionBase(
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runtime::TaskSpec task,
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runtime::SessionOptions options,
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std::shared_ptr<const ParakeetTDTAssets> assets,
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std::shared_ptr<const engine::model_spec::ModelContract> contract);
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~ParakeetTDTSessionBase() 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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ParakeetDecodeOptions decode_options_for_request(const runtime::TaskRequest & request) const;
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runtime::TaskSpec task_;
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std::shared_ptr<const ParakeetTDTAssets> assets_;
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std::shared_ptr<const engine::model_spec::ModelContract> contract_;
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std::string option_prefix_;
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std::shared_ptr<const ParakeetWeights> weights_;
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size_t weight_context_bytes_ = 3072ull * 1024ull * 1024ull;
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size_t encoder_graph_arena_bytes_ = 1024ull * 1024ull * 1024ull;
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size_t decoder_graph_arena_bytes_ = 256ull * 1024ull * 1024ull;
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engine::assets::TensorStorageType matmul_weight_storage_type_ = engine::assets::TensorStorageType::Native;
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engine::assets::TensorStorageType conv_weight_storage_type_ = engine::assets::TensorStorageType::Native;
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bool encoder_flash_attention_ = false;
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ParakeetFrontend frontend_;
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std::unique_ptr<ParakeetFastConformerEncoderRuntime> encoder_;
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std::unique_ptr<ParakeetTDTDecoderRuntime> decoder_;
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};
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class ParakeetTDTOfflineSession final
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: public ParakeetTDTSessionBase
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, public runtime::IOfflineVoiceTaskSession {
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public:
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ParakeetTDTOfflineSession(
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runtime::TaskSpec task,
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runtime::SessionOptions options,
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std::shared_ptr<const ParakeetTDTAssets> assets,
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std::shared_ptr<const engine::model_spec::ModelContract> contract);
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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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private:
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runtime::TaskResult run_long_form(
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const runtime::AudioBuffer & audio,
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const ParakeetDecodeOptions & options);
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runtime::TaskResult run_vad_chunks(
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const runtime::AudioBuffer & audio,
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const std::unordered_map<std::string, std::string> & request_options,
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const ParakeetDecodeOptions & options);
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runtime::IOfflineVoiceTaskSession & vad_session();
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std::string offline_mode_ = "full_context";
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int64_t center_samples_ = 0;
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int64_t left_context_samples_ = 0;
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int64_t right_context_samples_ = 0;
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int64_t auto_full_context_max_samples_ = 0;
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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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};
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class ParakeetTDTStreamingSession final
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: public ParakeetTDTSessionBase
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, public runtime::StreamingAsrSessionBase {
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public:
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ParakeetTDTStreamingSession(
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runtime::TaskSpec task,
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runtime::SessionOptions options,
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std::shared_ptr<const ParakeetTDTAssets> assets,
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std::shared_ptr<const engine::model_spec::ModelContract> contract);
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~ParakeetTDTStreamingSession() 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::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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ParakeetDecodedText process_ready_windows(bool flush_tail);
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bool process_center_window(int64_t center_end_sample, bool flush_tail);
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ParakeetDecodedText merged_decode() const;
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int64_t center_samples_ = 0;
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int64_t left_context_samples_ = 0;
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int64_t right_context_samples_ = 0;
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int64_t next_center_start_sample_ = 0;
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int64_t decoded_frame_offset_ = 0;
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int64_t buffer_start_sample_ = 0;
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int64_t received_samples_ = 0;
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runtime::AudioBuffer streaming_audio_;
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std::unique_ptr<WindowFrontend> window_frontend_;
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ParakeetDecodeOptions streaming_decode_options_;
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std::vector<int32_t> token_ids_;
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std::vector<int32_t> token_frame_indices_;
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std::vector<int32_t> token_durations_;
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};
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} // namespace engine::community_models::parakeet_tdt
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