40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
import os
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from datetime import datetime
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from typing import Optional, IO
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from entity.ffmpeg import FfmpegTask
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def start_render(ffmpeg_task: FfmpegTask):
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print(ffmpeg_task)
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print(ffmpeg_task.get_ffmpeg_args())
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if not ffmpeg_task.need_run():
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ffmpeg_task.set_output_file(ffmpeg_task.input_file[0])
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return True
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code = os.system("ffmpeg.exe "+" ".join(ffmpeg_task.get_ffmpeg_args()))
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return code == 0
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def handle_ffmpeg_output(stdout: Optional[IO[bytes]]) -> str:
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out_time = "0:0:0.0"
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if stdout is None:
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print("[!]STDOUT is null")
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return out_time
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speed = "0"
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while True:
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line = stdout.readline()
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if line == b"":
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break
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if line.strip() == b"progress=end":
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# 处理完毕
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break
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if line.startswith(b"out_time="):
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out_time = line.replace(b"out_time=", b"").decode().strip()
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if line.startswith(b"speed="):
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speed = line.replace(b"speed=", b"").decode().strip()
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print("[ ]Speed:", out_time, "@", speed)
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return out_time
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def duration_str_to_float(duration_str: str) -> float:
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_duration = datetime.strptime(duration_str, "%H:%M:%S.%f") - datetime(1900, 1, 1)
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return _duration.total_seconds()
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