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Allow merging formats (closes #1612)

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Multiple formats can be requested using `-f 137+139`, each one is downloaded and then the two are merged with ffmpeg.
This commit is contained in:
Jaime Marquínez Ferrándiz
2014-01-04 13:13:51 +01:00
parent a7c26e7338
commit 6350728be2
2 changed files with 47 additions and 6 deletions
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45
youtube_dl/YoutubeDL.py
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@@ -51,9 +51,11 @@ from .utils import (
write_json_file,
write_string,
YoutubeDLHandler,
prepend_extension,
)
from .extractor import get_info_extractor, gen_extractors
from .downloader import get_suitable_downloader
from .PostProcessor import FFmpegMergerPP
from .version import __version__
@@ -704,7 +706,17 @@ class YoutubeDL(object):
# the first that is available, starting from left
req_formats = req_format.split('/')
for rf in req_formats:
selected_format = self.select_format(rf, formats)
if re.match(r'.+?\+.+?', rf) is not None:
# Two formats have been requested like '137+139'
format_1, format_2 = rf.split('+')
formats_info = (self.select_format(format_1, formats),
self.select_format(format_2, formats))
if all(formats_info):
selected_format = {'requested_formats': formats_info}
else:
selected_format = None
else:
selected_format = self.select_format(rf, formats)
if selected_format is not None:
formats_to_download = [selected_format]
break
@@ -880,10 +892,27 @@ class YoutubeDL(object):
success = True
else:
try:
fd = get_suitable_downloader(info_dict)(self, self.params)
for ph in self._progress_hooks:
fd.add_progress_hook(ph)
success = fd.download(filename, info_dict)
def dl(name, info):
fd = get_suitable_downloader(info)(self, self.params)
for ph in self._progress_hooks:
fd.add_progress_hook(ph)
return fd.download(name, info)
if info_dict.get('requested_formats') is not None:
downloaded = []
success = True
for f in info_dict['requested_formats']:
new_info = dict(info_dict)
new_info.update(f)
fname = self.prepare_filename(new_info)
fname = prepend_extension(fname, 'f%s' % f['format_id'])
downloaded.append(fname)
partial_success = dl(fname, new_info)
success = success and partial_success
info_dict['__postprocessors'] = [FFmpegMergerPP(self)]
info_dict['__files_to_merge'] = downloaded
else:
# Just a single file
success = dl(filename, info_dict)
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
self.report_error(u'unable to download video data: %s' % str(err))
return
@@ -940,7 +969,11 @@ class YoutubeDL(object):
info = dict(ie_info)
info['filepath'] = filename
keep_video = None
for pp in self._pps:
pps_chain = []
if ie_info.get('__postprocessors') is not None:
pps_chain.extend(ie_info['__postprocessors'])
pps_chain.extend(self._pps)
for pp in pps_chain:
try:
keep_video_wish, new_info = pp.run(info)
if keep_video_wish is not None: