mirror of
https://github.com/Yonokid/PyTaiko.git
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125 lines
4.2 KiB
Python
125 lines
4.2 KiB
Python
from pathlib import Path
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import logging
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import pyray as ray
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from moviepy import VideoFileClip
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from libs.audio import audio
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from libs.utils import get_current_ms
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logger = logging.getLogger(__name__)
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class VideoPlayer:
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def __init__(self, path: Path):
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"""Initialize a video player instance"""
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self.is_finished_list = [False, False]
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self.video = VideoFileClip(path)
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if self.video.audio is not None:
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self.video.audio.write_audiofile("cache/temp_audio.wav", logger=None)
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self.audio = audio.load_music_stream(Path("cache/temp_audio.wav"), 'video')
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self.texture = None
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self.current_frame_data = None
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self.frame_timestamps: list[float] = [(i * 1000) / self.video.fps for i in range(int(self.video.duration * self.video.fps) + 1)]
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self.start_ms = None
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self.frame_index = 0
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self.fps = self.video.fps
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self.frame_duration = 1000 / self.fps
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self.audio_played = False
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def _audio_manager(self):
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if self.audio is None:
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return
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if self.is_finished_list[1]:
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return
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if not self.audio_played:
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audio.play_music_stream(self.audio, 'music')
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self.audio_played = True
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audio.update_music_stream(self.audio)
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self.is_finished_list[1] = audio.get_music_time_length(self.audio) <= audio.get_music_time_played(self.audio)
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def _load_frame(self, index: int):
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"""Load a specific frame and update the texture"""
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if index >= len(self.frame_timestamps) or index < 0:
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return False
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try:
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timestamp = self.frame_timestamps[index]
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time_sec = timestamp / 1000
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frame_data = self.video.get_frame(time_sec)
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if self.texture is None:
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image = ray.Image(frame_data, self.video.w, self.video.h, 1, ray.PixelFormat.PIXELFORMAT_UNCOMPRESSED_R8G8B8)
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self.texture = ray.load_texture_from_image(image)
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else:
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frame_bytes = frame_data.tobytes()
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pixels_ptr = ray.ffi.cast('void *', ray.ffi.from_buffer('unsigned char[]', frame_bytes))
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ray.update_texture(self.texture, pixels_ptr)
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self.current_frame_data = frame_data
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return True
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except Exception as e:
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logger.error(f"Error loading frame at index {index}: {e}")
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return False
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def is_started(self) -> bool:
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"""Returns boolean value if the video has begun"""
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return self.start_ms is not None
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def start(self, current_ms: float) -> None:
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"""Start video playback at call time"""
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self.start_ms = current_ms
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self._load_frame(0)
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def is_finished(self) -> bool:
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"""Check if video is finished playing"""
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return all(self.is_finished_list)
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def set_volume(self, volume: float) -> None:
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"""Set video volume, takes float value from 0.0 to 1.0"""
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audio.set_music_volume(self.audio, volume)
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def update(self):
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"""Updates video playback, advancing frames and audio"""
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self._audio_manager()
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if self.frame_index >= len(self.frame_timestamps):
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self.is_finished_list[0] = True
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return
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if self.start_ms is None:
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return
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elapsed_time = get_current_ms() - self.start_ms
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while (self.frame_index < len(self.frame_timestamps) and
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elapsed_time >= self.frame_timestamps[self.frame_index]):
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self.frame_index += 1
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current_index = max(0, self.frame_index - 1)
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self._load_frame(current_index)
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def draw(self):
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"""Draw video frames to the raylib canvas"""
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if self.texture is not None:
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ray.draw_texture(self.texture, 0, 0, ray.WHITE)
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def stop(self):
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"""Stops the video, audio, and clears its buffer"""
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self.video.close()
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if self.texture is not None:
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ray.unload_texture(self.texture)
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self.texture = None
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if self.audio is not None:
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if audio.is_music_stream_playing(self.audio):
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audio.stop_music_stream(self.audio)
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audio.unload_music_stream(self.audio)
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if Path("cache/temp_audio.wav").exists():
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Path("cache/temp_audio.wav").unlink()
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