Fabio
c36510c21e
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50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
#pragma once
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#include "engine/community_models/sanotts/assets.h"
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#include "engine/framework/runtime/session.h"
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#include <cstdint>
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#include <string>
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#include <memory>
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#include <vector>
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namespace engine::models::sanotts {
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struct SanoTtsGenerationOptions {
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/** Duration multiplier applied before rounding; larger is slower. */
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float speaking_rate = 1.0F;
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/** Decoder noise seed; the session resolves the derive-from-text default
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* before calling the runtime, so this is always the final seed. */
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uint64_t seed = 0;
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};
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/** Which code runs the frame stage + decoder on a CPU backend
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* (selected through sanotts.exec_plan). */
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enum class SanoTtsCpuDecoder {
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Auto, // NEON on supported AArch64 CPU sessions, otherwise GGML
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Ggml, // the GGML graph (every platform and backend)
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Neon, // hand-written ARM NEON kernels (AArch64 CPU backend only)
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};
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class SanoTtsNativeRuntime {
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public:
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SanoTtsNativeRuntime(
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std::shared_ptr<const SanoTtsAssets> assets,
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core::BackendConfig backend_config,
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SanoTtsCpuDecoder cpu_decoder = SanoTtsCpuDecoder::Auto);
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~SanoTtsNativeRuntime();
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runtime::AudioBuffer synthesize(
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const std::vector<int32_t> & token_ids,
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const SanoTtsGenerationOptions & options);
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private:
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struct State;
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std::unique_ptr<State> state_;
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};
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/** int.from_bytes(sha256(text).digest()[:8], "big") -- the seed the reference
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* implementations derive when the caller does not pass one. */
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uint64_t sanotts_text_seed(const std::string & text);
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} // namespace engine::models::sanotts
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