Method prepare

src/models/vevo2/session.cpp:829–832

                    chunk_request.generation.source_shift_steps);
            } else {
                generated_tokens = cached_content_style_tokens(
                    *chunk_request.refs.source_audio,
                    source_whisper_features,
                    source_frames);
            }
            source_tokenizer_ms += engine::debug::elapsed_ms(source_tokenizer_start);
        }