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Duplicate parameters can be set in kwargs with an iterator

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For instance, add multiple `streamid` in the output can be done like this:
ffmpeg.input(url).output('video.mp4', streamid=['0:0x101', '1:0x102'])

will output this command line
ffmpeg -i video.mp4 -streamid 0:0x101 -streamid 1:0x102 video.mp4
This commit is contained in:
Christophe Mehay 2019-10-31 12:02:09 +01:00
parent 78fb6cf2f1
commit 2a7a2d78c9
2 changed files with 13 additions and 0 deletions
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8
ffmpeg/_utils.py
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@ -3,6 +3,8 @@ from builtins import str
from past.builtins import basestring from past.builtins import basestring
import hashlib import hashlib
import sys import sys
import collections
if sys.version_info.major == 2: if sys.version_info.major == 2:
# noinspection PyUnresolvedReferences,PyShadowingBuiltins # noinspection PyUnresolvedReferences,PyShadowingBuiltins
@ -91,6 +93,12 @@ def convert_kwargs_to_cmd_line_args(kwargs):
args = [] args = []
for k in sorted(kwargs.keys()): for k in sorted(kwargs.keys()):
v = kwargs[k] v = kwargs[k]
if isinstance(v, collections.Iterable) and not isinstance(v, str):
for value in v:
args.append('-{}'.format(k))
if value is not None:
args.append('{}'.format(value))
continue
args.append('-{}'.format(k)) args.append('-{}'.format(k))
if v is not None: if v is not None:
args.append('{}'.format(v)) args.append('{}'.format(v))

5
ffmpeg/tests/test_ffmpeg.py
View File

@ -9,6 +9,7 @@ import random
import re import re
import subprocess import subprocess
try: try:
import mock # python 2 import mock # python 2
except ImportError: except ImportError:
@ -114,6 +115,10 @@ def test_stream_repr():
dummy_out.label, dummy_out.node.short_hash dummy_out.label, dummy_out.node.short_hash
) )
def test_repeated_args():
out_file = ffmpeg.input('dummy.mp4').output('dummy2.mp4', streamid=['0:0x101', '1:0x102'])
assert out_file.get_args() == ['-i', 'dummy.mp4', '-streamid', '0:0x101', '-streamid', '1:0x102', 'dummy2.mp4']
def test__get_args__simple(): def test__get_args__simple():
out_file = ffmpeg.input('dummy.mp4').output('dummy2.mp4') out_file = ffmpeg.input('dummy.mp4').output('dummy2.mp4')