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[downloader/ffmpeg] Allow passing custom arguments before -i

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Closes #686
This commit is contained in:
pukkandan
2021-08-24 03:15:44 +05:30
parent 91d4b32bb6
commit 330690a214
5 changed files with 34 additions and 27 deletions
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20
yt_dlp/downloader/external.py
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@@ -22,7 +22,7 @@ from ..utils import (
cli_option,
cli_valueless_option,
cli_bool_option,
cli_configuration_args,
_configuration_args,
encodeFilename,
encodeArgument,
handle_youtubedl_headers,
@@ -111,11 +111,10 @@ class ExternalFD(FileDownloader):
def _valueless_option(self, command_option, param, expected_value=True):
return cli_valueless_option(self.params, command_option, param, expected_value)
def _configuration_args(self, *args, **kwargs):
return cli_configuration_args(
self.params.get('external_downloader_args'),
[self.get_basename(), 'default'],
*args, **kwargs)
def _configuration_args(self, keys=None, *args, **kwargs):
return _configuration_args(
self.get_basename(), self.params.get('external_downloader_args'), self.get_basename(),
keys, *args, **kwargs)
def _call_downloader(self, tmpfilename, info_dict):
""" Either overwrite this or implement _make_cmd """
@@ -459,10 +458,10 @@ class FFmpegFD(ExternalFD):
elif isinstance(conn, compat_str):
args += ['-rtmp_conn', conn]
for url in urls:
args += ['-i', url]
for i, url in enumerate(urls):
args += self._configuration_args((f'_i{i + 1}', '_i')) + ['-i', url]
args += self._configuration_args() + ['-c', 'copy']
args += ['-c', 'copy']
if info_dict.get('requested_formats'):
for (i, fmt) in enumerate(info_dict['requested_formats']):
if fmt.get('acodec') != 'none':
@@ -491,9 +490,10 @@ class FFmpegFD(ExternalFD):
else:
args += ['-f', EXT_TO_OUT_FORMATS.get(ext, ext)]
args += self._configuration_args((f'_o1', '_o', ''))
args = [encodeArgument(opt) for opt in args]
args.append(encodeFilename(ffpp._ffmpeg_filename_argument(tmpfilename), True))
self._debug_cmd(args)
proc = subprocess.Popen(args, stdin=subprocess.PIPE, env=env)