You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
28 lines
905 B
28 lines
905 B
4 years ago
|
import json
|
||
|
|
import subprocess
|
||
|
|
from ._run import Error
|
||
|
|
from ._utils import convert_kwargs_to_cmd_line_args
|
||
|
|
|
||
|
|
|
||
|
|
def probe(filename, cmd='ffprobe', **kwargs):
|
||
|
|
"""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 = [cmd, '-show_format', '-show_streams', '-of', 'json']
|
||
|
|
args += convert_kwargs_to_cmd_line_args(kwargs)
|
||
|
|
args += [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']
|