92 lines
2.3 KiB
Python
92 lines
2.3 KiB
Python
import subprocess
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from pathlib import Path
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VIDEOS_DIR = "/videos"
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CHUNK_SIZE = 64 * 1024
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def _get_stream_urls(youtube_url: str):
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result = subprocess.run(
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[
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"yt-dlp",
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"-f", "bestvideo[ext=mp4][vcodec^=avc]+bestaudio[ext=m4a]/best[ext=mp4]",
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"--print", "urls",
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youtube_url,
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],
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capture_output=True, text=True, timeout=30,
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)
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if result.returncode != 0:
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return None, None
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lines = result.stdout.strip().splitlines()
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if len(lines) >= 2:
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return lines[0], lines[1]
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elif len(lines) == 1:
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return lines[0], None
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return None, None
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def stream_video_live(video_id: int, youtube_url: str):
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output_path = f"{VIDEOS_DIR}/{video_id}.mp4"
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video_url, audio_url = _get_stream_urls(youtube_url)
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if not video_url:
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return
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if audio_url:
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cmd = [
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"ffmpeg",
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"-reconnect", "1",
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"-reconnect_streamed", "1",
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"-reconnect_delay_max", "5",
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"-i", video_url,
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"-reconnect", "1",
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"-reconnect_streamed", "1",
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"-reconnect_delay_max", "5",
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"-i", audio_url,
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"-c:v", "copy",
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"-c:a", "aac",
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"-movflags", "frag_keyframe+empty_moov+default_base_moof",
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"-f", "mp4",
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"pipe:1",
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]
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else:
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cmd = [
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"ffmpeg",
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"-reconnect", "1",
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"-reconnect_streamed", "1",
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"-reconnect_delay_max", "5",
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"-i", video_url,
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"-c", "copy",
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"-movflags", "frag_keyframe+empty_moov+default_base_moof",
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"-f", "mp4",
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"pipe:1",
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]
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process = subprocess.Popen(
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cmd,
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stdout=subprocess.PIPE,
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stderr=subprocess.DEVNULL,
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)
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try:
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with open(output_path, "wb") as f:
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while True:
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chunk = process.stdout.read(CHUNK_SIZE)
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if not chunk:
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break
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f.write(chunk)
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yield chunk
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except GeneratorExit:
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pass
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finally:
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if process.poll() is None:
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process.kill()
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process.wait()
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if process.stdout:
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process.stdout.close()
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path = Path(output_path)
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if process.returncode != 0 and path.exists():
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path.unlink()
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