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mirror of https://github.com/kkroening/ffmpeg-python.git synced 2025-04-06 04:15:44 +08:00
2018-01-27 21:32:11 -08:00

29 lines
902 B
Python
Executable File

import json
import subprocess
class ProbeException(Exception):
def __init__(self, stderr_output):
super(ProbeException, self).__init__('ffprobe error')
self.stderr_output = stderr_output
def probe(filename):
"""Run ffprobe on the specified file and return a JSON representation of the output.
Raises:
ProbeException: if ffprobe returns a non-zero exit code, a ``ProbeException`` is returned with a generic error
message. The stderr output can be retrieved by accessing the ``stderr_output`` 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 ExecException(err)
return json.loads(out.decode('utf-8'))
__all__ = [
'probe',
]