Udio

# Udio 스타일 AI 음악 생성 예제
# 실제 Udio는 웹 인터페이스 기반이므로, 유사한 개념의 코드 예제입니다

import requests
import time
from dataclasses import dataclass
from typing import Optional

@dataclass
class MusicGenerationParams:
    """음악 생성 파라미터"""
    prompt: str
    lyrics: Optional[str] = None
    genre: str = "pop"
    duration: int = 30  # 초 단위
    tempo: int = 120    # BPM
    key: str = "C major"

class UdioStyleMusicGenerator:
    """Udio 스타일 음악 생성 클래스"""

    GENRES = ["pop", "rock", "jazz", "classical", "edm",
              "hip-hop", "r&b", "country", "metal", "folk"]

    def __init__(self, api_key: str):
        self.api_key = api_key
        self.base_url = "https://api.example.com/music"

    def generate_music(self, params: MusicGenerationParams) -> dict:
        """텍스트 프롬프트로 음악 생성"""

        # 프롬프트 최적화
        optimized_prompt = self._optimize_prompt(params)

        payload = {
            "prompt": optimized_prompt,
            "lyrics": params.lyrics,
            "genre": params.genre,
            "duration": params.duration,
            "tempo": params.tempo,
            "key": params.key,
        }

        # 생성 요청 (가상 API)
        print(f"Generating {params.genre} music...")
        print(f"Prompt: {params.prompt}")
        print(f"Duration: {params.duration}s, Tempo: {params.tempo} BPM")

        # 실제 구현시 API 호출
        # response = requests.post(f"{self.base_url}/generate",
        #                         json=payload,
        #                         headers={"Authorization": f"Bearer {self.api_key}"})

        # 시뮬레이션 결과
        result = {
            "status": "completed",
            "track_id": "track_abc123",
            "audio_url": "https://cdn.example.com/tracks/abc123.mp3",
            "duration": params.duration,
            "metadata": {
                "genre": params.genre,
                "tempo": params.tempo,
                "key": params.key,
                "has_vocals": params.lyrics is not None
            }
        }

        return result

    def _optimize_prompt(self, params: MusicGenerationParams) -> str:
        """프롬프트 최적화 - 더 나은 결과를 위한 전처리"""

        enhancements = []

        # 장르별 스타일 힌트 추가
        genre_hints = {
            "pop": "catchy melody, modern production",
            "rock": "electric guitar, powerful drums",
            "jazz": "smooth saxophone, piano improvisation",
            "classical": "orchestral arrangement, dynamic crescendos",
            "edm": "synthesizers, heavy bass drop, electronic beats"
        }

        if params.genre in genre_hints:
            enhancements.append(genre_hints[params.genre])

        # 템포 기반 분위기 추가
        if params.tempo < 80:
            enhancements.append("slow, relaxing")
        elif params.tempo > 140:
            enhancements.append("energetic, upbeat")

        # 최종 프롬프트 조합
        enhanced_prompt = f"{params.prompt}. Style: {', '.join(enhancements)}"
        return enhanced_prompt

    def extend_track(self, track_id: str, direction: str = "end") -> dict:
        """기존 트랙 확장"""
        print(f"Extending track {track_id} at {direction}")
        return {"track_id": f"{track_id}_extended", "status": "completed"}

    def remix_section(self, track_id: str,
                      start_time: float,
                      end_time: float,
                      new_prompt: str) -> dict:
        """특정 구간 리믹스"""
        print(f"Remixing {track_id} from {start_time}s to {end_time}s")
        print(f"New style: {new_prompt}")
        return {"track_id": f"{track_id}_remix", "status": "completed"}


# 사용 예제
if __name__ == "__main__":
    # 생성기 초기화
    generator = UdioStyleMusicGenerator(api_key="your_api_key")

    # 1. 기본 음악 생성
    params = MusicGenerationParams(
        prompt="Uplifting summer anthem with tropical vibes",
        genre="pop",
        duration=30,
        tempo=128
    )

    result = generator.generate_music(params)
    print(f"\nGenerated track: {result['audio_url']}")

    # 2. 가사 포함 음악 생성
    params_with_lyrics = MusicGenerationParams(
        prompt="Emotional ballad about lost love",
        lyrics="""
        Verse 1:
        Standing in the rain, memories fade away
        Your smile still haunts me every day

        Chorus:
        But I'm learning to let go
        Finding strength I didn't know
        """,
        genre="pop",
        duration=60,
        tempo=72,
        key="A minor"
    )

    result_vocal = generator.generate_music(params_with_lyrics)
    print(f"\nGenerated vocal track: {result_vocal['audio_url']}")
    print(f"Has vocals: {result_vocal['metadata']['has_vocals']}")