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[postprocessort/ffmpeg] Allow embedding webvtt into webm (Closes #8874)

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This commit is contained in:
Sergey M․ 2016-03-20 04:12:34 +06:00
parent 5c7cd37ebd
commit 40025ee2a3
2 changed files with 22 additions and 5 deletions
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2
youtube_dl/options.py
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@ -720,7 +720,7 @@ def parseOpts(overrideArguments=None):
postproc.add_option(
'--embed-subs',
action='store_true', dest='embedsubtitles', default=False,
help='Embed subtitles in the video (only for mkv and mp4 videos)')
help='Embed subtitles in the video (only for mp4, webm and mkv videos)')
postproc.add_option(
'--embed-thumbnail',
action='store_true', dest='embedthumbnail', default=False,

25
youtube_dl/postprocessor/ffmpeg.py
View File

@ -331,17 +331,34 @@ class FFmpegVideoConvertorPP(FFmpegPostProcessor):
class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
def run(self, information):
if information['ext'] not in ['mp4', 'mkv']:
self._downloader.to_screen('[ffmpeg] Subtitles can only be embedded in mp4 or mkv files')
if information['ext'] not in ('mp4', 'webm', 'mkv'):
self._downloader.to_screen('[ffmpeg] Subtitles can only be embedded in mp4, webm or mkv files')
return [], information
subtitles = information.get('requested_subtitles')
if not subtitles:
self._downloader.to_screen('[ffmpeg] There aren\'t any subtitles to embed')
return [], information
sub_langs = list(subtitles.keys())
filename = information['filepath']
sub_filenames = [subtitles_filename(filename, lang, sub_info['ext']) for lang, sub_info in subtitles.items()]
ext = information['ext']
sub_langs = []
sub_filenames = []
webm_vtt_warn = False
for lang, sub_info in subtitles.items():
sub_ext = sub_info['ext']
if ext != 'webm' or ext == 'webm' and sub_ext == 'vtt':
sub_langs.append(lang)
sub_filenames.append(subtitles_filename(filename, lang, sub_ext))
else:
if not webm_vtt_warn and ext == 'webm' and sub_ext != 'vtt':
webm_vtt_warn = True
self._downloader.to_screen('[ffmpeg] Only WebVTT subtitles can be embedded in webm files')
if not sub_langs:
return [], information
input_files = [filename] + sub_filenames
opts = [