Add ascii player

src/demo/devel/animated_ascii.py

@@ -0,0 +1,146 @@
+import atexit
+import shutil
+import signal
+import threading
+from os.path import dirname
+import os
+from pathlib import Path
+from threading import Thread
+from typing import Optional, List
+
+import pause
+from PIL import Image
+from askai.core.component.audio_player import player
+from clitt.core.term.cursor import cursor
+from hspylib.core.tools.commons import sysout
+from hspylib.modules.application.exit_status import ExitStatus
+from clitt.core.term.terminal import terminal, Terminal
+
+PALETTES = {
+    1: " .:-=+*#%@",
+    2: " .'`\^\",:;Il!i><~+_-?][}{1)(|\/tfjrxnuvczXYUJCLQ0OZmwqpdbkhao*#MW&8%B@$",
+    3: " ▁▂▃▄▅▆▇█▊",
+    4: " ░▒▓█▓▒░▒▓",
+}
+
+DEFAULT_PALETTE = PALETTES[3]
+
+
+VIDEO_DIR: Path = Path("/Users/hjunior/GIT-Repository/GitHub/askai/assets/videos")
+if not VIDEO_DIR.exists():
+    VIDEO_DIR.mkdir(parents=True, exist_ok=True)
+
+DATA_PATH: Path = Path(os.path.join(dirname(__file__), 'AscVideos'))
+if not DATA_PATH.exists():
+    DATA_PATH.mkdir(parents=True, exist_ok=True)
+
+
+def frame_to_ascii(
+    frame_path: str,
+    width: int = 80,
+    palette: str = DEFAULT_PALETTE,
+    reverse: bool = True
+) -> str:
+    """TODO"""
+    num_chars = len(palette if not reverse else palette[::-1])
+    img = Image.open(frame_path).convert("L")
+    aspect_ratio = img.height / img.width
+    new_height = int(width * aspect_ratio * 0.55)
+    img = img.resize((width, new_height), resample=Image.BILINEAR)
+    pixels = list(img.getdata())
+    ascii_str = "".join(palette[min(pixel * num_chars // 256, num_chars - 1)] for pixel in pixels)
+    ascii_lines = [ascii_str[i:i + width] for i in range(0, len(ascii_str), width)]
+
+    return "\n".join(ascii_lines)
+
+
+def get_frames(frames_path: Path) -> list[str]:
+    """TODO"""
+    ascii_frames: list[str] = []
+    for frame_file in sorted(os.listdir(frames_path)):
+        frame_path: str = os.path.join(frames_path, frame_file)
+        ascii_frame = frame_to_ascii(frame_path)
+        ascii_frames.append(ascii_frame)
+
+    return ascii_frames
+
+
+def extract_audio_and_video_frames(video_path: Path) -> Optional[tuple[Path, List[str]]]:
+    """
+    Extracts audio and video frames from the given video path.
+    Returns a tuple of (extracted_audio_path, list_of_frame_paths) if successful,
+    otherwise returns None on failure.
+    """
+    video_name, _ = os.path.splitext(os.path.basename(video_path))
+
+    frame_dir: Path = Path(os.path.join(DATA_PATH, video_name, 'frames'))
+    audio_dir: Path = Path(os.path.join(DATA_PATH, video_name, 'audio'))
+
+    audio_path: Path = Path(os.path.join(audio_dir, "audio.mp3"))
+
+    # If output directory doesn't exist, perform extraction
+    if not frame_dir.exists():
+        frame_dir.mkdir(parents=True, exist_ok=True)
+        audio_dir.mkdir(parents=True, exist_ok=True)
+
+        # Extract frames
+        frame_command = f'ffmpeg -i "{video_path}" -vf "fps=10" "{frame_dir}/frame%04d.png"'
+        _, _, exit_code = terminal.shell_exec(frame_command, shell=True)
+        if exit_code != ExitStatus.SUCCESS:
+            return None
+
+        # Extract audio
+        audio_command = f'ffmpeg -i "{video_path}" -q:a 0 -map a "{audio_path}"'
+        _, _, exit_code = terminal.shell_exec(audio_command, shell=True)
+        if exit_code != ExitStatus.SUCCESS:
+            return None
+
+    return audio_path, get_frames(frame_dir)
+
+
+def play_ascii_frames(ascii_frames: list[str], delay_ms: int = 90) -> None:
+    for f in ascii_frames:
+        max_y, max_x = shutil.get_terminal_size()
+        # Print ASCII frame line by line without exceeding window bounds
+        sysout("%HOM%")
+        for line in f.splitlines()[:max_y]:
+            cursor.write(f"{line}%EL0%%EOL%")
+        pause.milliseconds(delay_ms)
+
+
+def play_audio(audio_path: str) -> Thread:
+    thread = threading.Thread(target=player.play_audio_file, args=(audio_path,))
+    thread.daemon = True  # Optional: makes the thread exit when the main program ends
+    thread.start()
+    return thread
+
+
+def setup_terminal():
+    Terminal.alternate_screen(True)
+    Terminal.clear()
+    Terminal.set_show_cursor(False)
+    signal.signal(signal.SIGINT, cleanup)
+    signal.signal(signal.SIGTERM, cleanup)
+    signal.signal(signal.SIGABRT, cleanup)
+    atexit.register(cleanup)
+
+
+def cleanup():
+    Terminal.clear()
+    Terminal.alternate_screen(False)
+    Terminal.set_show_cursor(True)
+
+
+def play_video(video_name: str) -> None:
+    # Assuming VIDEO_DIR and extract_video_frames are defined elsewhere in your code
+    setup_terminal()
+    video_path: Path = Path(os.path.join(VIDEO_DIR, video_name))
+    audio_path, video = extract_audio_and_video_frames(video_path)
+    tha = play_audio(audio_path)
+    play_ascii_frames(video)
+    tha.join()
+    cleanup()
+
+
+if __name__ == '__main__':
+    play_video("AskAI-Trailer.mp4")