Fabio
c36510c21e
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57 lines
2.1 KiB
C++
57 lines
2.1 KiB
C++
#pragma once
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#include "engine/framework/runtime/session.h"
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#include "engine/models/kokoro_tts/assets.h"
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#include <cstdint>
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#include <optional>
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#include <string>
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#include <string_view>
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#include <utility>
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#include <vector>
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namespace engine::models::kokoro_tts {
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struct KokoroSynthesisInput {
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std::string voice_id;
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std::string language_code;
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std::string phonemes;
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std::vector<int32_t> input_ids;
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std::vector<float> style;
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float speaking_rate = 1.0f;
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};
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struct KokoroFrontendSessionState {
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std::string voice_id;
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std::string language_code;
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std::vector<std::pair<const KokoroVoicePack *, double>> voices;
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float speaking_rate = 1.0f;
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};
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KokoroFrontendSessionState resolve_kokoro_frontend_session_state(
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const std::optional<runtime::Transcript> & text,
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const std::optional<runtime::VoiceCondition> & voice,
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const KokoroAssets & assets);
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// `phoneme_override`, when present, is synthesized as-is INSTEAD of running the built-in
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// G2P over `text`. It lets a caller with its own grapheme-to-phoneme stage — a lexicon the
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// engine does not carry, a language it does not cover, a pronunciation the application has
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// already shown its user — drive the model directly. `text` is still required and its
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// language must still agree with the voice; only the phonemization is replaced.
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//
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// ⚠ OPTIONAL, NOT "EMPTY MEANS NO". An empty string is a caller that asked for an override
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// and gave nothing, and is rejected; it must not quietly fall back to speaking `text`, which
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// is what an empty-string sentinel did here before.
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KokoroSynthesisInput build_kokoro_synthesis_input(
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const runtime::Transcript & text,
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const KokoroFrontendSessionState & state,
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const KokoroAssets & assets,
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std::optional<std::string_view> phoneme_override = std::nullopt);
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int64_t estimate_kokoro_request_tokens(
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const runtime::SessionPreparationRequest & request,
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const KokoroFrontendSessionState & state,
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const KokoroAssets & assets,
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std::optional<std::string_view> phoneme_override = std::nullopt);
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} // namespace engine::models::kokoro_tts
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