R-yan/l1ving_youtube-dl
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Allow downloading DASH streams in any order

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With this change, -f bestaudio+bestvideo will no longer display an error,
but download the audio stream before downloading video. Both streams
will be then merged as usual.
This commit is contained in:
felix 2015-05-02 22:23:27 +02:00
parent 0a64aa7355
commit 4ac14d17f5
2 changed files with 28 additions and 24 deletions
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45
youtube_dl/YoutubeDL.py
View File

@ -1105,32 +1105,31 @@ class YoutubeDL(object):
formats_info = (self.select_format(format_1, formats),
self.select_format(format_2, formats))
if all(formats_info):
# The first format must contain the video and the
# second the audio
if formats_info[0].get('vcodec') == 'none':
self.report_error('The first format must '
'contain the video, try using '
'"-f %s+%s"' % (format_2, format_1))
try:
vfmtinfo = [fmt for fmt in formats_info if fmt.get('vcodec') != 'none'][0]
afmtinfo = [fmt for fmt in formats_info if fmt.get('acodec') != 'none'][0]
except IndexError:
self.report_error('You must specify a single video format and a single audio format')
return
output_ext = (
formats_info[0]['ext']
if self.params.get('merge_output_format') is None
else self.params['merge_output_format'])
output_ext = self.params.get('merge_output_format')
if output_ext is None:
output_ext = vfmtinfo['ext']
selected_format = {
'requested_formats': formats_info,
'format': '%s+%s' % (formats_info[0].get('format'),
formats_info[1].get('format')),
'format_id': '%s+%s' % (formats_info[0].get('format_id'),
formats_info[1].get('format_id')),
'width': formats_info[0].get('width'),
'height': formats_info[0].get('height'),
'resolution': formats_info[0].get('resolution'),
'fps': formats_info[0].get('fps'),
'vcodec': formats_info[0].get('vcodec'),
'vbr': formats_info[0].get('vbr'),
'stretched_ratio': formats_info[0].get('stretched_ratio'),
'acodec': formats_info[1].get('acodec'),
'abr': formats_info[1].get('abr'),
'format': '%s+%s' % (vfmtinfo.get('format'),
afmtinfo.get('format')),
'format_id': '%s+%s' % (vfmtinfo.get('format_id'),
afmtinfo.get('format_id')),
'width': vfmtinfo.get('width'),
'height': vfmtinfo.get('height'),
'resolution': vfmtinfo.get('resolution'),
'fps': vfmtinfo.get('fps'),
'vcodec': vfmtinfo.get('vcodec'),
'vbr': vfmtinfo.get('vbr'),
'stretched_ratio': vfmtinfo.get('stretched_ratio'),
'acodec': afmtinfo.get('acodec'),
'abr': afmtinfo.get('abr'),
'ext': output_ext,
}
else:

7
youtube_dl/postprocessor/ffmpeg.py
View File

@ -585,7 +585,12 @@ class FFmpegMergerPP(FFmpegPostProcessor):
def run(self, info):
filename = info['filepath']
temp_filename = prepend_extension(filename, 'temp')
args = ['-c', 'copy', '-map', '0:v:0', '-map', '1:a:0']
args = ['-c', 'copy']
for (i, fmt) in enumerate(info['requested_formats']):
if fmt.get('acodec') != 'none':
args.extend(['-map', '%u:a:0' % (i)])
if fmt.get('vcodec') != 'none':
args.extend(['-map', '%u:v:0' % (i)])
self._downloader.to_screen('[ffmpeg] Merging formats into "%s"' % filename)
self.run_ffmpeg_multiple_files(info['__files_to_merge'], temp_filename, args)
os.rename(encodeFilename(temp_filename), encodeFilename(filename))