ffmpeg-python/ffmpeg/_probe.py at tensorflow-stream-example · Kumius/ffmpeg-python · GitHub

25 lines (20 loc) · 775 Bytes

import json

import subprocess

from ._run import Error

def probe(filename):

"""Run ffprobe on the specified file and return a JSON representation of the output.

Raises:

:class:`ffmpeg.Error`: if ffprobe returns a non-zero exit code,

an :class:`Error` is returned with a generic error message.

The stderr output can be retrieved by accessing the

``stderr`` property of the exception.

"""

args = ['ffprobe', '-show_format', '-show_streams', '-of', 'json', filename]

p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)

out, err = p.communicate()

if p.returncode != 0:

raise Error('ffprobe', out, err)

return json.loads(out.decode('utf-8'))

__all__ = [

'probe',

]

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