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import os
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import time
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import subprocess
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from multiprocessing import Process
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import uvicorn
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from fastapi import FastAPI, Response
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app = FastAPI()
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video_file = "iarec.mp4"
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hls_output = "stream.m3u8"
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hls_segment_prefix = "stream"
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ffmpeg_command = [
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'./ffmpeg',
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'-re',
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'-stream_loop', '-1',
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'-i', video_file,
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'-vf', 'fps=24',
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'-c:v', 'libx264',
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'-c:a', 'libfdk_aac',
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'-profile:a', 'aac_he_v2',
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'-crf', '28',
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'-b:a', '32k',
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'-preset', 'fast',
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'-bsf:a', 'aac_adtstoasc',
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'-f', 'hls',
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'-hls_time', '15',
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'-hls_list_size', '15',
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'-hls_flags', 'append_list+omit_endlist',
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'-hls_segment_filename', f'{hls_segment_prefix}%03d.ts',
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hls_output
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]
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def make_ffmpeg_executable():
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try:
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subprocess.run(["chmod", "+x", "./ffmpeg"], check=True)
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except subprocess.CalledProcessError as e:
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print(f"Error al cambiar permisos de FFmpeg: {e}")
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def stream_video():
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try:
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process = subprocess.Popen(ffmpeg_command)
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process.wait()
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except Exception as e:
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print(f"Error al ejecutar FFmpeg: {e}")
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@app.on_event("startup")
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async def startup_event():
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make_ffmpeg_executable()
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while not os.path.exists(hls_output):
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print("Esperando a que se genere el archivo M3U8...")
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time.sleep(1)
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print("Archivo M3U8 generado. Servidor listo para recibir solicitudes.")
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@app.get("/")
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async def read_root():
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return {"message": "Training IA"}
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@app.get("/stream.m3u8")
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def get_m3u8():
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with open(hls_output, "rb") as f:
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m3u8_content = f.read()
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return Response(content=m3u8_content, media_type="application/vnd.apple.mpegurl")
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@app.get("/stream{segment}.ts")
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def get_segment(segment: int):
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segment_file = f"{hls_segment_prefix}{segment:03d}.ts"
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if os.path.exists(segment_file):
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with open(segment_file, "rb") as f:
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segment_content = f.read()
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return Response(content=segment_content, media_type="video/mp2t")
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else:
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return Response(status_code=404, content="Segment not found")
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if __name__ == "__main__":
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make_ffmpeg_executable()
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video_process = Process(target=stream_video)
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video_process.start()
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uvicorn.run(app, host="0.0.0.0", port=7860) |