Fabio
c36510c21e
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71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
#pragma once
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#include "engine/framework/assets/resource_bundle.h"
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#include "engine/framework/audio/dsp.h"
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#include "engine/framework/audio/nemo_mel_frontend.h"
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#include "engine/framework/core/backend_weight_store.h"
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#include "engine/framework/core/execution_context.h"
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#include "engine/framework/modules/conformer_modules.h"
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#include "engine/framework/modules/transformers/transformer_blocks.h"
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#include "engine/framework/runtime/model.h"
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#include "engine/framework/tokenizers/sentencepiece.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::models::canary_asr {
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struct CanaryAssets {
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assets::ResourceBundle resources;
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std::shared_ptr<const assets::TensorSource> source;
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std::vector<tokenizers::SentencePiecePiece> vocabulary;
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std::vector<float> window;
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audio::AudioTensor filterbank;
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std::shared_ptr<const audio::NemoMelFrontend> frontend;
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int32_t special_token(const std::string & text) const;
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};
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struct CanaryWeights {
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std::unique_ptr<core::BackendWeightStore> store;
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modules::DepthwiseConvSubsamplingWeights subsampling;
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modules::LinearWeights encoder_out, head;
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std::vector<modules::RelativeConformerBlockWeights> encoder;
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std::vector<modules::TransformerDecoderBlockWeights> decoder;
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core::TensorValue embedding, positions;
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modules::NormWeights embedding_norm, decoder_norm;
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};
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std::shared_ptr<const CanaryAssets> load_canary_assets(const std::filesystem::path & path);
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std::unique_ptr<CanaryWeights> load_canary_weights(
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const CanaryAssets & assets, core::ExecutionContext & execution, assets::TensorStorageType type);
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struct CanaryFrontendFeatures {
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std::vector<float> values;
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int64_t raw_frames = 0;
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int64_t valid_frames = 0;
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};
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CanaryFrontendFeatures extract_canary_frontend(
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const std::vector<float> & samples,
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const CanaryAssets & assets,
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size_t threads);
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class CanaryRuntime {
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public:
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CanaryRuntime(const CanaryAssets & assets, const CanaryWeights & weights, core::ExecutionContext & execution);
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~CanaryRuntime();
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std::vector<int32_t> transcribe(const std::vector<float> & samples,
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const std::vector<int32_t> & prompt, int64_t max_tokens);
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private:
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struct Graphs;
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const CanaryAssets & assets_;
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const CanaryWeights & weights_;
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core::ExecutionContext & execution_;
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std::unique_ptr<Graphs> graphs_;
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};
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std::shared_ptr<runtime::IVoiceModelLoader> make_canary_asr_loader();
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} // namespace engine::models::canary_asr
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