voice_audio_multi/include/engine/models/nemotron_3_diar/session.h
Fabio c36510c21e
Some checks failed
Linux Build / Linux cpu (push) Has been cancelled
Linux Build / Linux cpu-clang (push) Has been cancelled
Linux Build / Linux vulkan (push) Has been cancelled
mac-build / macOS CPU (push) Has been cancelled
Nix Build / Nix (cpu) (push) Has been cancelled
Nix Build / Nix (vulkan) (push) Has been cancelled
windows-build / Windows CPU (push) Has been cancelled
Initial import: audio.cpp with Orange Pi documentation
2026-11-04 19:05:22 +01:00

104 lines
4.2 KiB
C++

#pragma once
#include "engine/models/nemotron_3_diar/encoder.h"
#include "engine/models/nemotron_3_diar/frontend.h"
#include "engine/models/nemotron_3_diar/streaming.h"
#include "engine/framework/model_spec/metadata.h"
#include "engine/framework/runtime/session_base.h"
#include <memory>
#include <set>
#include <tuple>
#include <unordered_map>
namespace engine::models::nemotron_3_diar {
std::shared_ptr<runtime::IVoiceModelLoader> make_nemotron_3_diar_loader();
class Session final
: public runtime::RuntimeSessionBase
, public runtime::IOfflineVoiceTaskSession
, public runtime::IBatchedOfflineVoiceTaskSession
, public runtime::IStreamingVoiceTaskSession {
public:
Session(
runtime::TaskSpec task,
runtime::SessionOptions options,
std::shared_ptr<const Assets> assets,
std::shared_ptr<const model_spec::ModelContract> contract);
~Session() override;
std::string family() const override;
runtime::VoiceTaskKind task_kind() const override;
runtime::RunMode run_mode() const override;
void prepare(const runtime::SessionPreparationRequest & request) override;
runtime::TaskResult run(const runtime::TaskRequest & request) override;
std::vector<runtime::TaskResult> run_batch(const std::vector<runtime::TaskRequest> & requests) override;
void run_batch(
const std::vector<runtime::TaskRequest> & requests,
const runtime::IBatchedOfflineVoiceTaskSession::ResultCallback & on_result) override;
runtime::StreamingPolicy streaming_policy() const override;
void start_stream(const runtime::TaskRequest & request) override;
void set_stream_event_sink(runtime::StreamEventCallback sink) override;
void reset() override;
runtime::StreamEvent process_audio_chunk(const runtime::AudioChunk & chunk) override;
runtime::TaskResult finalize() override;
private:
struct DecodeConfig {
float threshold = 0.5F;
int64_t min_frames = 0;
int64_t pad_frames = 0;
};
DecodeConfig decode_config(const std::unordered_map<std::string, std::string> & options) const;
std::vector<runtime::SpeakerTurn> decode_turns(
const std::vector<float> & probabilities,
int64_t frames,
const DecodeConfig & config,
bool include_open_turns) const;
std::vector<float> pre_encode(const FeatureBatch & features);
std::vector<float> encode(
const std::vector<float> & embeddings,
int64_t batch,
int64_t frames,
const std::vector<int64_t> & valid_frames);
void process_window_batch(
const std::vector<StreamWindow> & windows,
const std::vector<AoscState *> & states,
const std::vector<std::vector<float> *> & timelines);
void process_embedding_batch(
const std::vector<float> & chunk_embeddings,
int64_t batch,
int64_t chunk_capacity,
const std::vector<int64_t> & chunk_frames,
const std::vector<int64_t> & central_frames,
const std::vector<int64_t> & left_context_frames,
const std::vector<int64_t> & right_context_frames,
const std::vector<AoscState *> & states,
const std::vector<std::vector<float> *> & timelines);
runtime::StreamEvent process_stream_windows(const std::vector<StreamWindow> & windows);
runtime::TaskSpec task_;
std::shared_ptr<const Assets> assets_;
std::shared_ptr<const model_spec::ModelContract> contract_;
std::shared_ptr<const ModelWeights> weights_;
std::unique_ptr<PreEncodeGraph> pre_encode_graph_;
std::unique_ptr<Nemotron3DiarTransformerEncoderGraph> encoder_graph_;
StreamingConfig streaming_config_;
std::string latency_profile_;
std::unique_ptr<StreamScheduler> stream_scheduler_;
std::unique_ptr<AoscState> stream_state_;
runtime::TaskRequest stream_request_;
std::vector<float> stream_probabilities_;
int64_t stream_samples_ = 0;
std::set<std::tuple<int64_t, int64_t, std::string>> emitted_stream_turns_;
runtime::StreamEventCallback stream_event_sink_;
bool stream_started_ = false;
size_t graph_arena_bytes_ = 1024ull * 1024ull * 1024ull;
size_t weight_context_bytes_ = 1024ull * 1024ull * 1024ull;
bool use_flash_attention_ = true;
};
} // namespace engine::models::nemotron_3_diar