Fabio
c36510c21e
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84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
#pragma once
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#include "engine/framework/audio/istft_graph.h"
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#include "engine/framework/core/execution_context.h"
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#include "engine/framework/modules/speech_encoders/wavlm_encoder.h"
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#include "engine/framework/runtime/session.h"
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#include "engine/models/miocodec/assets.h"
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#include "engine/models/miocodec/components.h"
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#include <cstdint>
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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::miocodec {
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struct MioCodecSslFeatures {
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std::vector<float> values;
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int64_t frames = 0;
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};
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std::vector<float> prepare_miocodec_mono_audio(
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const runtime::AudioBuffer & audio,
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int target_sample_rate);
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class MioCodecSslFeatureExtractor {
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public:
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MioCodecSslFeatureExtractor(
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std::shared_ptr<const MioCodecAssets> assets,
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engine::modules::WavlmEncoderComponent wavlm,
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std::vector<int> layer_indices,
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bool normalize_features,
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std::string timing_prefix);
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MioCodecSslFeatures extract(const std::vector<float> & mono_44k) const;
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const engine::modules::WavlmEncoderComponent & wavlm() const noexcept;
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private:
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std::shared_ptr<const MioCodecAssets> assets_;
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engine::modules::WavlmEncoderComponent wavlm_;
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std::vector<int> layer_indices_;
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bool normalize_features_ = false;
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std::string timing_prefix_;
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};
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class MioCodecGlobalReferenceEncoder {
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public:
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MioCodecGlobalReferenceEncoder(
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MioCodecSslFeatureExtractor ssl_extractor,
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MioCodecGlobalEncoderRuntime & global_encoder);
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MioCodecGlobalEmbedding embedding_for_reference(const std::vector<float> & reference_audio) const;
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private:
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struct CachedReference {
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std::vector<float> audio;
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MioCodecGlobalEmbedding embedding;
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};
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MioCodecSslFeatureExtractor ssl_extractor_;
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MioCodecGlobalEncoderRuntime * global_encoder_ = nullptr;
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mutable std::vector<CachedReference> cached_references_;
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};
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class MioCodecWaveformReconstructor {
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public:
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MioCodecWaveformReconstructor(
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std::shared_ptr<const MioCodecAssets> assets,
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core::ExecutionContext & execution_context);
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std::vector<float> reconstruct(
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const MioCodecWaveHead & head,
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const std::vector<float> & window);
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private:
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std::shared_ptr<const MioCodecAssets> assets_;
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core::ExecutionContext * execution_context_ = nullptr;
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std::unique_ptr<engine::audio::HostLogMagnitudePhaseISTFT> host_istft_;
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int64_t host_istft_frames_ = 0;
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std::unique_ptr<engine::audio::CudaLogMagnitudePhaseISTFT> cuda_istft_;
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int64_t cuda_istft_frames_ = 0;
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};
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} // namespace engine::models::miocodec
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