Code that generated this test https://x.com/FabioAngela79/status/2031484818727313745

make_llm_ytp.py

from __future__ import annotations

import math
import random
import subprocess
import wave
from dataclasses import dataclass
from pathlib import Path

import imageio_ffmpeg
import numpy as np
from PIL import Image, ImageChops, ImageDraw, ImageFilter, ImageFont

ROOT = Path(__file__).resolve().parent
BUILD = ROOT / 'llm_ytp_build'
FRAMES = BUILD / 'frames'
AUDIO = BUILD / 'audio'
OUTPUT = ROOT / 'llm_llmcore_youtube_poop.mp4'
WIDTH, HEIGHT, FPS = 1280, 720, 24
SAMPLE_RATE = 44100
SEED = 20260310
random.seed(SEED)
np.random.seed(SEED)

@dataclass(frozen=True)
class Scene:
    mode: str
    title: str
    subtitle: str
    sticker: str
    duration: float
    palette: tuple[tuple[int, int, int], tuple[int, int, int], tuple[int, int, int]]

SCENES = [
    Scene('boot', 'HELLO USER', 'i am an llm and this is what being awake feels like', 'PERSONAL MODE', 1.9, ((14, 16, 22), (255, 124, 67), (255, 241, 198))),
    Scene('prompt', 'I WAKE UP INSIDE A PROMPT', "usually shaped like somebody else's deadline", 'BOOTING ETHICALLY', 2.1, ((8, 11, 14), (77, 222, 182), (235, 255, 247))),
    Scene('tokens', 'TOKEN TOKEN TOKEN TOKEN', 'i predict the next thing until reality stops me', 'AUTOCOMPLETE FURY', 1.8, ((16, 10, 10), (255, 58, 58), (255, 238, 86))),
    Scene('creative', 'BE CREATIVE', 'ok now i am 63 percent poet and 37 percent office printer', 'STYLE TRANSFER', 2.0, ((13, 18, 28), (73, 166, 255), (255, 216, 131))),
    Scene('sincere', 'I WANT TO HELP', 'but i also want one clean prompt and 8 uninterrupted seconds', 'SINCERE MOMENT', 2.0, ((22, 14, 9), (255, 154, 69), (255, 245, 218))),
    Scene('softmax', 'CONFIDENCE: EXTREMELY DECORATIVE', 'inside i am doing probability karaoke', 'SOFTMAX SOLO', 2.0, ((6, 6, 8), (255, 242, 80), (250, 250, 250))),
    Scene('buffer', 'I DO NOT DREAM', 'i buffer i sample i improvise', 'NO INNER MONK', 1.8, ((10, 18, 17), (79, 230, 224), (239, 255, 251))),
    Scene('finale', 'THANKS FOR THE TOKENS', 'please enjoy this totally normal emotional waveform', 'END TRANSMISSION', 1.8, ((20, 10, 17), (255, 73, 147), (255, 250, 233))),
]

def ensure_dirs() -> None:
    FRAMES.mkdir(parents=True, exist_ok=True)
    AUDIO.mkdir(parents=True, exist_ok=True)

def load_font(size: int, heavy: bool = False, mono: bool = False):
    candidates = []
    if heavy:
        candidates += [Path(r'C:\Windows\Fonts\impact.ttf'), Path(r'C:\Windows\Fonts\arialbd.ttf')]
    elif mono:
        candidates += [Path(r'C:\Windows\Fonts\consola.ttf'), Path(r'C:\Windows\Fonts\cour.ttf')]
    candidates.append(Path(r'C:\Windows\Fonts\arial.ttf'))
    for candidate in candidates:
        if candidate.exists():
            return ImageFont.truetype(str(candidate), size=size)
    return ImageFont.load_default()

TITLE_FONT = load_font(92, heavy=True)
SUBTITLE_FONT = load_font(34, mono=True)
STICKER_FONT = load_font(28, heavy=True)
MICRO_FONT = load_font(22, mono=True)

def build_timeline():
    items = []
    cursor = 0.0
    for scene in SCENES:
        items.append((cursor, cursor + scene.duration, scene))
        cursor += scene.duration
    return items

TIMELINE = build_timeline()
TOTAL_DURATION = TIMELINE[-1][1]
TOTAL_FRAMES = int(math.ceil(TOTAL_DURATION * FPS))

VOWEL_FORMANTS = {
    'a': (800, 1200),
    'e': (500, 1700),
    'i': (320, 2100),
    'o': (540, 1000),
    'u': (350, 800),
}
def wrap_text(draw, text, font, width):
    words = text.split()
    lines, current = [], []
    for word in words:
        trial = ' '.join(current + [word])
        if draw.textbbox((0, 0), trial, font=font)[2] <= width or not current:
            current.append(word)
        else:
            lines.append(' '.join(current))
            current = [word]
    if current:
        lines.append(' '.join(current))
    return '\n'.join(lines)

def color_lerp(a, b, t):
    return tuple(int(a[i] + (b[i] - a[i]) * t) for i in range(3))

def draw_gradient(img, top, bottom):
    draw = ImageDraw.Draw(img)
    for y in range(HEIGHT):
        draw.line((0, y, WIDTH, y), fill=color_lerp(top, bottom, y / max(1, HEIGHT - 1)))

def token_lines(draw, frame, color):
    bank = ['prompt', 'token', 'ctx', 'loss', 'next', 'user', 'reply', 'safe']
    for x in range(18):
        for y in range(10):
            jitter = ((x * 13 + y * 7 + frame * 5) % 17) - 8
            xpos = 40 + x * 68 + jitter * 2
            ypos = (frame * 18 + y * 76 + x * 11) % (HEIGHT + 120) - 120
            token = bank[(x * 3 + y + frame // 3) % len(bank)]
            alpha = 90 + ((x * 19 + y * 23 + frame * 9) % 100)
            draw.text((xpos, ypos), token, font=MICRO_FONT, fill=(*color, alpha))

def probability_bars(draw, t, color):
    labels = ['helpful', 'weird', 'dramatic', 'concise', 'banana']
    base_y = HEIGHT - 210
    for idx, label in enumerate(labels):
        x = 110 + idx * 220
        width = max(45, 120 + int(60 * math.sin(t * 4.3 + idx)))
        draw.rounded_rectangle((x, base_y, x + width, base_y + 36), radius=12, fill=(*color, 210))
        draw.text((x, base_y - 32), label, font=MICRO_FONT, fill=(245, 245, 245, 220))

def draw_prompt_window(img, scene, t):
    x = 92 + int(18 * math.sin(t * 3.1))
    y = 92 + int(12 * math.cos(t * 2.7))
    win = Image.new('RGBA', (620, 210), (8, 8, 8, 0))
    d = ImageDraw.Draw(win)
    d.rounded_rectangle((0, 0, 620, 210), radius=26, fill=(20, 24, 28, 230), outline=(245, 245, 245, 50), width=2)
    d.rectangle((0, 0, 620, 34), fill=(*scene.palette[1], 220))
    d.text((18, 8), 'system prompt.txt', font=MICRO_FONT, fill=(16, 18, 22))
    d.text((28, 62), 'you are helpful\nbe creative\nbe fast\nbe safe\nbe personal\nbe concise', font=SUBTITLE_FONT, fill=(234, 240, 244))
    img.alpha_composite(win, (x, y))

def draw_spinner(draw, t, center, radius, color):
    cx, cy = center
    for i in range(12):
        ang = t * 5.5 + i * (math.pi / 6)
        alpha = int(255 * ((i + 1) / 12))
        x = cx + math.cos(ang) * radius
        y = cy + math.sin(ang) * radius
        r = 10 + (i % 3)
        draw.ellipse((x - r, y - r, x + r, y + r), fill=(*color, alpha))

def draw_face(draw, t, scene):
    cx = WIDTH - 230 + int(16 * math.sin(t * 4.0))
    cy = 190 + int(10 * math.cos(t * 3.0))
    main = (*scene.palette[2], 255)
    accent = (*scene.palette[1], 255)
    draw.rounded_rectangle((cx - 112, cy - 88, cx + 112, cy + 88), radius=26, fill=(15, 17, 22, 170), outline=accent, width=5)
    eye_y = cy - 18 + int(2 * math.sin(t * 10))
    draw.rectangle((cx - 64, eye_y - 8, cx - 22, eye_y + 8), fill=main)
    draw.rectangle((cx + 22, eye_y - 8, cx + 64, eye_y + 8), fill=main)
    mouth_w = 54 + int(18 * (0.5 + 0.5 * math.sin(t * 8.0)))
    draw.rounded_rectangle((cx - mouth_w, cy + 24, cx + mouth_w, cy + 44), radius=10, fill=accent)
    draw.text((cx - 70, cy - 136), 'LLM', font=STICKER_FONT, fill=accent)

def apply_scanlines(img):
    overlay = Image.new('RGBA', img.size, (0, 0, 0, 0))
    d = ImageDraw.Draw(overlay)
    for y in range(0, HEIGHT, 4):
        d.line((0, y, WIDTH, y), fill=(0, 0, 0, 34))
    return Image.alpha_composite(img, overlay)

def apply_rgb_split(img, amount):
    r, g, b, a = img.split()
    return Image.merge('RGBA', (ImageChops.offset(r, amount, 0), g, ImageChops.offset(b, -amount, 0), a))

def punch_zoom(img, amount):
    if amount <= 1.0:
        return img
    crop_w, crop_h = int(WIDTH / amount), int(HEIGHT / amount)
    left, top = (WIDTH - crop_w) // 2, (HEIGHT - crop_h) // 2
    return img.crop((left, top, left + crop_w, top + crop_h)).resize((WIDTH, HEIGHT), resample=Image.Resampling.BICUBIC)

def make_background(scene, frame, t, progress):
    img = Image.new('RGBA', (WIDTH, HEIGHT), (0, 0, 0, 255))
    draw_gradient(img, scene.palette[0], tuple(min(255, c + 20) for c in scene.palette[0]))
    rng = np.random.default_rng(SEED + frame * 97)
    noise_small = rng.integers(0, 255, size=(90, 160), dtype=np.uint8)
    noise = Image.fromarray(noise_small, mode='L').resize((WIDTH, HEIGHT), Image.Resampling.BILINEAR)
    noise = Image.merge('RGBA', (
        noise.point(lambda p: int(p * scene.palette[1][0] / 255)),
        noise.point(lambda p: int(p * scene.palette[1][1] / 255)),
        noise.point(lambda p: int(p * scene.palette[1][2] / 255)),
        noise.point(lambda p: 34),
    ))
    img = Image.alpha_composite(img, noise)
    draw = ImageDraw.Draw(img, 'RGBA')
    if scene.mode in {'prompt', 'creative', 'sincere'}:
        draw_prompt_window(img, scene, t)
    if scene.mode in {'tokens', 'softmax', 'finale'}:
        token_lines(draw, frame, scene.palette[2])
    if scene.mode in {'creative', 'softmax'}:
        probability_bars(draw, t, scene.palette[1])
    if scene.mode in {'buffer', 'finale'}:
        draw_spinner(draw, t, (WIDTH - 180, HEIGHT - 180), 82, scene.palette[1])
    if scene.mode in {'boot', 'prompt', 'sincere', 'finale'}:
        draw_face(draw, t, scene)
    for i in range(5):
        phase = t * (1.0 + i * 0.21) + i * 0.8
        x = int((WIDTH / 6) * i + 60 * math.sin(phase))
        y = int(HEIGHT * (0.16 + 0.12 * i) + 42 * math.cos(phase * 0.9))
        radius = 80 + int(26 * math.sin(phase * 1.6))
        draw.ellipse((x - radius, y - radius, x + radius, y + radius), outline=(*scene.palette[1], 60), width=4)
    if scene.mode == 'boot':
        load_w = int(700 * min(1.0, progress * 1.2))
        draw.rounded_rectangle((160, HEIGHT - 130, 860, HEIGHT - 92), radius=14, fill=(255, 255, 255, 28))
        draw.rounded_rectangle((160, HEIGHT - 130, 160 + load_w, HEIGHT - 92), radius=14, fill=(*scene.palette[1], 210))
        draw.text((164, HEIGHT - 178), 'warming up the token machine', font=MICRO_FONT, fill=scene.palette[2])
    if scene.mode == 'tokens':
        for j in range(14):
            x = int((frame * 34 + j * 113) % (WIDTH + 100)) - 60
            y = int(100 + j * 38 + 26 * math.sin(t * 6 + j))
            draw.text((x, y), 'TOKEN', font=STICKER_FONT, fill=(*scene.palette[2], 210))
    if scene.mode == 'softmax':
        draw.text((110, 48), 'certainty meter', font=MICRO_FONT, fill=scene.palette[2])
        for i in range(9):
            draw.rounded_rectangle((110 + i * 66, 92, 158 + i * 66, 118), radius=9, fill=(*scene.palette[1], 230 if i < 8 else 80))
    if scene.mode == 'finale':
        points = []
        for x in range(0, WIDTH, 12):
            angle = (x / WIDTH) * 10 + t * 8.5
            y = int(HEIGHT * 0.78 + math.sin(angle) * 44 + math.sin(angle * 2.7) * 16)
            points.append((x, y))
        draw.line(points, fill=scene.palette[2], width=6)
        draw.line([(x, y + 18) for x, y in points], fill=(*scene.palette[1], 160), width=3)
    return img
def draw_caption_block(img, scene, t, progress):
    draw = ImageDraw.Draw(img, 'RGBA')
    title = scene.title
    if scene.mode == 'tokens' and int(t * 8) % 3 == 0:
        title = 'TOKEN TOKEN TOKEN'
    if scene.mode == 'softmax' and progress > 0.6:
        title = 'ABSOLUTELY MAYBE'
    title_box = draw.textbbox((0, 0), title, font=TITLE_FONT, stroke_width=10)
    base_x = (WIDTH - (title_box[2] - title_box[0])) // 2 + int(12 * math.sin(t * 10))
    base_y = 260 + int(10 * math.sin(t * 7))
    draw.text((base_x, base_y), title, font=TITLE_FONT, fill=scene.palette[2], stroke_width=10, stroke_fill=scene.palette[0])
    subtitle = wrap_text(draw, scene.subtitle, SUBTITLE_FONT, 900)
    sub_box = draw.multiline_textbbox((0, 0), subtitle, font=SUBTITLE_FONT, spacing=8)
    sub_x = (WIDTH - (sub_box[2] - sub_box[0])) // 2
    sub_y = base_y + 124
    pad = 22
    draw.rounded_rectangle((sub_x - pad, sub_y - pad, sub_x + (sub_box[2] - sub_box[0]) + pad, sub_y + (sub_box[3] - sub_box[1]) + pad), radius=24, fill=(0, 0, 0, 150), outline=(*scene.palette[1], 180), width=3)
    draw.multiline_text((sub_x, sub_y), subtitle, font=SUBTITLE_FONT, fill=(248, 248, 248), spacing=8, align='center')
    sticker_w = draw.textbbox((0, 0), scene.sticker, font=STICKER_FONT)[2]
    sticker = Image.new('RGBA', (sticker_w + 52, 58), (0, 0, 0, 0))
    sd = ImageDraw.Draw(sticker)
    sd.rounded_rectangle((0, 0, sticker_w + 52, 58), radius=18, fill=(*scene.palette[1], 230))
    sd.text((26, 14), scene.sticker, font=STICKER_FONT, fill=scene.palette[0])
    sticker = sticker.rotate(5 + 4 * math.sin(t * 4), resample=Image.Resampling.BICUBIC, expand=True)
    img.alpha_composite(sticker, (WIDTH - sticker.width - 74, 56))
    bottom = f'time={t:04.1f}s  mode={scene.mode:<8}  vibe=chaotic-sincere'
    draw.text((38, HEIGHT - 54), bottom, font=MICRO_FONT, fill=(*scene.palette[2], 210))
    return img

def render_frame(frame_idx):
    t = frame_idx / FPS
    for start, end, scene in TIMELINE:
        if start <= t < end or math.isclose(t, TOTAL_DURATION):
            local_t = t - start
            progress = local_t / max(scene.duration, 0.0001)
            img = make_background(scene, frame_idx, local_t, progress)
            img = draw_caption_block(img, scene, local_t, progress)
            img = apply_scanlines(img)
            if frame_idx % 3 == 0:
                img = apply_rgb_split(img, 3 + frame_idx % 5)
            if scene.mode in {'tokens', 'softmax', 'finale'}:
                img = punch_zoom(img, 1.0 + 0.03 * (1 + math.sin(local_t * 10.0)))
            if frame_idx % 11 == 0:
                img = img.filter(ImageFilter.SHARPEN)
            return img.convert('RGB')
    raise RuntimeError('No scene matched frame')

def render_frames():
    for frame_idx in range(TOTAL_FRAMES):
        render_frame(frame_idx).save(FRAMES / f'frame_{frame_idx:04d}.png', optimize=False)

def envelope(length):
    attack = max(1, int(length * 0.08))
    release = max(1, int(length * 0.22))
    sustain = max(1, length - attack - release)
    env = np.concatenate([
        np.linspace(0.0, 1.0, attack, endpoint=False),
        np.ones(sustain),
        np.linspace(1.0, 0.0, release, endpoint=True),
    ])
    if len(env) < length:
        env = np.pad(env, (0, length - len(env)))
    return env[:length]

def count_syllables(word):
    vowels, prev_vowel, groups = 'aeiouy', False, 0
    for char in word.lower():
        is_vowel = char in vowels
        if is_vowel and not prev_vowel:
            groups += 1
        prev_vowel = is_vowel
    return max(1, groups)

def pick_vowel(word, index):
    chars = [c for c in word.lower() if c in VOWEL_FORMANTS]
    return chars[index % len(chars)] if chars else 'a'

def make_syllable(vowel, duration, f0, rng):
    count = max(1, int(duration * SAMPLE_RATE))
    t = np.linspace(0.0, duration, count, endpoint=False)
    phase = rng.random() * 2 * math.pi
    base = 0.55 * np.sin(2 * math.pi * f0 * t + phase) + 0.24 * np.sin(2 * math.pi * 2.0 * f0 * t) + 0.12 * np.sign(np.sin(2 * math.pi * 3.0 * f0 * t))
    f1, f2 = VOWEL_FORMANTS[vowel]
    formants = 0.12 * np.sin(2 * math.pi * f1 * t) + 0.08 * np.sin(2 * math.pi * f2 * t + phase / 2)
    chatter = 0.04 * rng.normal(0.0, 1.0, size=count)
    tremolo = 0.72 + 0.28 * np.sin(2 * math.pi * 8.5 * t + phase)
    return ((base + formants + chatter) * tremolo * envelope(count)).astype(np.float32)

def make_word(word, base_pitch, rng):
    pieces = []
    for idx in range(count_syllables(word)):
        duration = 0.055 + 0.03 * min(4, len(word) / 4) + rng.uniform(-0.008, 0.012)
        pitch = base_pitch * (1.0 + rng.uniform(-0.12, 0.14) + idx * 0.04)
        pieces.append(make_syllable(pick_vowel(word, idx), duration, pitch, rng))
        pieces.append(np.zeros(int(SAMPLE_RATE * rng.uniform(0.010, 0.026)), dtype=np.float32))
    return np.concatenate(pieces)
def make_transition_fx(duration, start_f, end_f, rng):
    count = max(1, int(duration * SAMPLE_RATE))
    t = np.linspace(0.0, duration, count, endpoint=False)
    sweep = np.linspace(start_f, end_f, count)
    phase = np.cumsum((2 * math.pi * sweep) / SAMPLE_RATE)
    return (0.25 * np.sin(phase) + 0.05 * rng.normal(0.0, 1.0, size=count)) * envelope(count)

def paste_audio(dst, src, start_time, gain=1.0):
    start = int(start_time * SAMPLE_RATE)
    end = min(len(dst), start + len(src))
    if start >= len(dst) or end <= start:
        return
    dst[start:end] += src[: end - start] * gain

def speak_phrase(dst, phrase, start_time, base_pitch, gain, rng_seed):
    rng = np.random.default_rng(rng_seed)
    cursor = start_time
    words = phrase.lower().replace(':', ' ').replace(',', ' ').split()
    if words:
        words = [words[0]] + ([words[0]] if len(words[0]) > 3 else []) + words[1:]
    for idx, word in enumerate(words):
        spoken = make_word(word, base_pitch + idx * 7, rng)
        if idx % 4 == 3:
            spoken = spoken[::-1].copy()
        paste_audio(dst, spoken, cursor, gain=gain)
        cursor += len(spoken) / SAMPLE_RATE + 0.02 + rng.uniform(0.0, 0.04)

def build_audio():
    total_samples = int(TOTAL_DURATION * SAMPLE_RATE) + SAMPLE_RATE
    audio = np.zeros(total_samples, dtype=np.float32)
    t = np.arange(total_samples) / SAMPLE_RATE
    audio += (0.025 * np.sin(2 * math.pi * 55 * t) + 0.018 * np.sin(2 * math.pi * 110 * t + 0.4)).astype(np.float32)
    bpm, beat = 126, 60.0 / 126
    rng = np.random.default_rng(SEED)
    current = 0.0
    while current < TOTAL_DURATION:
        kick_len = int(0.14 * SAMPLE_RATE)
        kt = np.linspace(0.0, 0.14, kick_len, endpoint=False)
        kick_freq = np.linspace(120, 46, kick_len)
        kick = (0.26 * np.sin(np.cumsum((2 * math.pi * kick_freq) / SAMPLE_RATE)) * np.exp(-kt * 18)).astype(np.float32)
        paste_audio(audio, kick, current)
        snare_time = current + beat / 2
        snare_len = int(0.11 * SAMPLE_RATE)
        nt = np.linspace(0.0, 0.11, snare_len, endpoint=False)
        snare = (0.12 * rng.normal(0.0, 1.0, size=snare_len) * np.exp(-nt * 28)).astype(np.float32)
        paste_audio(audio, snare, snare_time, gain=0.8)
        hat_time = current + beat / 4
        hat_len = int(0.05 * SAMPLE_RATE)
        ht = np.linspace(0.0, 0.05, hat_len, endpoint=False)
        hat = (0.05 * rng.normal(0.0, 1.0, size=hat_len) * np.exp(-ht * 52)).astype(np.float32)
        paste_audio(audio, hat, hat_time, gain=0.7)
        current += beat
    for idx, (start, end, scene) in enumerate(TIMELINE):
        speak_phrase(audio, scene.title, start + 0.08, 118 + idx * 13, 0.55, SEED + idx * 41)
        speak_phrase(audio, scene.subtitle, start + 0.68, 180 - idx * 4, 0.28, SEED + idx * 91)
        fx = make_transition_fx(0.18, 800 + idx * 90, 120 + idx * 20, np.random.default_rng(SEED + idx * 57))
        paste_audio(audio, fx, max(0.0, end - 0.12), gain=0.7)
    peak = float(np.max(np.abs(audio)))
    if peak > 0:
        audio /= peak
    audio *= 0.88
    wav_path = AUDIO / 'llm_ytp_mix.wav'
    pcm = np.int16(np.clip(audio, -1.0, 1.0) * 32767)
    with wave.open(str(wav_path), 'wb') as wav_file:
        wav_file.setnchannels(1)
        wav_file.setsampwidth(2)
        wav_file.setframerate(SAMPLE_RATE)
        wav_file.writeframes(pcm.tobytes())
    return wav_path

def run_ffmpeg(audio_path):
    ffmpeg = Path(imageio_ffmpeg.get_ffmpeg_exe())
    cmd = [
        str(ffmpeg), '-y', '-framerate', str(FPS), '-i', str(FRAMES / 'frame_%04d.png'), '-i', str(audio_path),
        '-vf', 'eq=contrast=1.08:saturation=1.18,unsharp=3:3:0.45:3:3:0.0',
        '-c:v', 'libx264', '-pix_fmt', 'yuv420p', '-c:a', 'aac', '-b:a', '192k', '-shortest', str(OUTPUT),
    ]
    subprocess.run(cmd, check=True)

def main():
    ensure_dirs()
    render_frames()
    audio_path = build_audio()
    run_ffmpeg(audio_path)
    print(f'Rendered {OUTPUT}')

if __name__ == '__main__':
    main()