mirror of
https://github.com/iperov/DeepFaceLive
synced 2025-07-06 13:02:16 -07:00
72 lines
2.1 KiB
Python
72 lines
2.1 KiB
Python
import json
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import subprocess
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def run(args, pipe_stdin=False, pipe_stdout=False, pipe_stderr=False, quiet_std_err=False):
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"""
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run ffmpeg process
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returns Popen class if success
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otherwise None
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"""
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args = ['ffmpeg'] + args
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stdin_stream = subprocess.PIPE if pipe_stdin else None
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stdout_stream = subprocess.PIPE if pipe_stdout else None
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stderr_stream = subprocess.PIPE if pipe_stderr else None
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if quiet_std_err:
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stderr_stream = subprocess.DEVNULL
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try:
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return subprocess.Popen(args, stdin=stdin_stream, stdout=stdout_stream, stderr=stderr_stream)
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except Exception as e:
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print('ffmpeg exception: ', e)
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return None
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def probe(filename):
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"""Run ffprobe on the specified file and return a JSON representation of the output.
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Raises:
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Exception if ffprobe returns a non-zero exit code,
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"""
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args = ['ffprobe', '-show_format', '-show_streams', '-of', 'json', filename]
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p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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out, err = p.communicate()
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if p.returncode != 0:
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raise Exception('ffprobe', out, err)
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return json.loads(out.decode('utf-8'))
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def probe(filename):
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"""Run ffprobe on the specified file and return a JSON representation of the output.
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Raises:
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Exception if ffprobe returns a non-zero exit code,
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"""
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args = ['ffprobe', '-show_format', '-show_streams', '-of', 'json', filename]
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#'-count_frames',
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p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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out, err = p.communicate()
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if p.returncode != 0:
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raise Exception('ffprobe', out, err)
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return json.loads(out.decode('utf-8'))
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def run_play():
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args = ['ffplay',
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'-f', 'rawvideo',
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'-pix_fmt', 'bgr24',
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'-s', '256x144',
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'-'
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]
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stdin_stream = subprocess.PIPE
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stdout_stream = None
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stderr_stream = None#subprocess.DEVNULL
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try:
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return subprocess.Popen(args, stdin=stdin_stream, stdout=stdout_stream, stderr=stderr_stream)
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except Exception as e:
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print('ffplay exception: ', e)
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return None
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