Fabio
c36510c21e
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96 lines
3.7 KiB
C++
96 lines
3.7 KiB
C++
#pragma once
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#include "engine/framework/model_spec/metadata.h"
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#include "engine/framework/runtime/cache_slots.h"
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#include "engine/framework/runtime/session.h"
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#include "engine/framework/runtime/session_base.h"
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#include "engine/framework/text/chunking.h"
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#include "engine/community_models/audio8_tts/assets.h"
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#include "engine/community_models/audio8_tts/generator.h"
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#include <cstddef>
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#include <cstdint>
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#include <memory>
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#include <optional>
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#include <string>
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#include <vector>
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namespace engine::models::audio8_tts {
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std::shared_ptr<runtime::IVoiceModelLoader> make_audio8_tts_loader();
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class Audio8TtsSession final
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: public runtime::RuntimeSessionBase
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, public runtime::IOfflineVoiceTaskSession
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, public runtime::IStreamingVoiceTaskSession {
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public:
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Audio8TtsSession(
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runtime::TaskSpec task,
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runtime::SessionOptions options,
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std::shared_ptr<const Audio8TtsAssets> assets,
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std::shared_ptr<const engine::model_spec::ModelContract> contract);
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~Audio8TtsSession() 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::TaskResult run(const runtime::TaskRequest & request) override;
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// IStreamingVoiceTaskSession — omnivoice/session.h:22 pattern
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runtime::StreamingPolicy streaming_policy() const override;
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void start_stream(const runtime::TaskRequest & request) override;
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std::optional<runtime::StreamEvent> next_stream_event() override;
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void set_stream_event_sink(runtime::StreamEventCallback sink) override;
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runtime::TaskResult finish_stream() override;
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void reset() override;
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runtime::StreamEvent process_audio_chunk(const runtime::AudioChunk & chunk) override;
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runtime::TaskResult finalize() override;
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private:
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struct ReferenceCacheKey {
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std::string source_id;
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int sample_rate = 0;
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int channels = 0;
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uint64_t sample_count = 0;
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uint64_t sample_hash = 0;
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};
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struct ReferenceCacheKeyEqual {
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bool operator()(const ReferenceCacheKey & lhs, const ReferenceCacheKey & rhs) const;
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};
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struct ReferenceCacheEntry {
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Audio8TtsCodes codes;
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};
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Audio8TtsRequest make_request(const runtime::TaskRequest & request) const;
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const Audio8TtsCodes & resolve_reference_codes(const Audio8TtsReference & reference);
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// Streaming helpers — omnivoice/session.cpp:744/797 pattern
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std::vector<std::string> plan_text_chunks(
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const Audio8TtsRequest & request,
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const Audio8TtsPrompt & prompt) const;
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void initialize_streaming_request(const runtime::TaskRequest & request);
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runtime::AudioBuffer synthesize_stream_chunk(size_t chunk_index);
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runtime::TaskSpec task_;
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std::shared_ptr<const Audio8TtsAssets> assets_;
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std::shared_ptr<const engine::model_spec::ModelContract> contract_;
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std::unique_ptr<Audio8TtsGenerator> generator_;
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std::optional<Audio8TtsRequest> defaults_;
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runtime::CacheSlots<ReferenceCacheKey, ReferenceCacheEntry, ReferenceCacheKeyEqual> reference_cache_;
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std::optional<ReferenceCacheEntry> uncached_reference_;
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// Streaming state — mirror omnivoice/session.h:97
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std::optional<Audio8TtsRequest> stream_request_;
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std::vector<std::string> stream_text_chunks_;
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std::vector<Audio8TtsCodes> stream_reference_codes_;
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std::optional<Audio8TtsConversationTurn> stream_previous_turn_;
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std::optional<std::string> stream_language_;
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runtime::AudioBuffer stream_merged_audio_;
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size_t stream_chunk_index_ = 0;
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bool stream_started_ = false;
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bool stream_has_reference_ = false;
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};
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} // namespace engine::models::audio8_tts
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