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Update _ffmpeg.py

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VisualPlugin 2023-08-25 08:12:41 +00:00 committed by GitHub
parent 2803574b2b
commit 9b6d77b453
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1 changed files with 25 additions and 22 deletions
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47
ffmpeg/_ffmpeg.py
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@ -13,6 +13,20 @@ from .nodes import (
)
def sanitize_args(streams_and_filename, kwargs):
streams_and_filename = list(streams_and_filename)
if 'filename' not in kwargs:
if not isinstance(streams_and_filename[-1], basestring):
raise ValueError('A filename must be provided')
kwargs['filename'] = streams_and_filename.pop(-1)
fmt = kwargs.pop('f', None)
if fmt:
if 'format' in kwargs:
raise ValueError("Can't specify both `format` and `f` kwargs")
kwargs['format'] = fmt
return (streams_and_filename, kwargs)
def input(filename, **kwargs):
"""Input file URL (ffmpeg ``-i`` option)
@ -38,21 +52,11 @@ def global_args(stream, *args):
return GlobalNode(stream, global_args.__name__, args).stream()
@output_operator()
def overwrite_output(stream, **kwargs):
"""Overwrite output files without asking (ffmpeg ``-y`` option)
Official documentation: `Main options <https://ffmpeg.org/ffmpeg.html#Main-options>`__
"""
return GlobalNode(stream, overwrite_output.__name__, ['-y'], kwargs=kwargs).stream()
@output_operator()
def merge_outputs(*streams):
"""Include all given outputs in one ffmpeg command line"""
return MergeOutputsNode(streams, merge_outputs.__name__).stream()
@filter_operator()
def output(*streams_and_filename, **kwargs):
"""Output file URL
@ -77,19 +81,18 @@ def output(*streams_and_filename, **kwargs):
Official documentation: `Synopsis <https://ffmpeg.org/ffmpeg.html#Synopsis>`__
"""
streams_and_filename = list(streams_and_filename)
if 'filename' not in kwargs:
if not isinstance(streams_and_filename[-1], basestring):
raise ValueError('A filename must be provided')
kwargs['filename'] = streams_and_filename.pop(-1)
streams = streams_and_filename
streams_and_filename, kwargs = sanitize_args(streams_and_filename, kwargs)
return OutputNode(streams_and_filename, output.__name__, kwargs=kwargs).stream()
fmt = kwargs.pop('f', None)
if fmt:
if 'format' in kwargs:
raise ValueError("Can't specify both `format` and `f` kwargs")
kwargs['format'] = fmt
return OutputNode(streams, output.__name__, kwargs=kwargs).stream()
@output_operator()
def overwrite_output(*streams_and_filename, **kwargs):
"""Overwrite output files without asking (ffmpeg ``-y`` option)
Official documentation: `Main options <https://ffmpeg.org/ffmpeg.html#Main-options>`__
"""
streams_and_filename, kwargs = sanitize_args(streams_and_filename, kwargs)
return GlobalNode(streams_and_filename, overwrite_output.__name__, ['-y'], kwargs=kwargs).stream()
__all__ = ['input', 'merge_outputs', 'output', 'overwrite_output']