Merge remote-tracking branch 'jaimeMF/format_selection'

This commit is contained in:
Philipp Hagemeister 2013-10-18 00:17:03 +02:00
commit 1c1218fefc
3 changed files with 148 additions and 8 deletions

49
test/test_YoutubeDL.py Normal file
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@ -0,0 +1,49 @@
#!/usr/bin/env python
import sys
import unittest
# Allow direct execution
import os
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from helper import FakeYDL, parameters
class YDL(FakeYDL):
def __init__(self):
super(YDL, self).__init__()
self.downloaded_info_dicts = []
def process_info(self, info_dict):
self.downloaded_info_dicts.append(info_dict)
class TestFormatSelection(unittest.TestCase):
def test_prefer_free_formats(self):
# Same resolution => download webm
ydl = YDL()
ydl.params['prefer_free_formats'] = True
formats = [{u'ext': u'webm', u'height': 460},{u'ext': u'mp4', u'height': 460}]
info_dict = {u'formats': formats, u'extractor': u'test'}
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded[u'ext'], u'webm')
# Different resolution => download best quality (mp4)
ydl = YDL()
ydl.params['prefer_free_formats'] = True
formats = [{u'ext': u'webm', u'height': 720},{u'ext': u'mp4',u'height': 1080}]
info_dict[u'formats'] = formats
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded[u'ext'], u'mp4')
# No prefer_free_formats => keep original formats order
ydl = YDL()
ydl.params['prefer_free_formats'] = False
formats = [{u'ext': u'webm', u'height': 720},{u'ext': u'flv',u'height': 720}]
info_dict[u'formats'] = formats
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded[u'ext'], u'flv')
if __name__ == '__main__':
unittest.main()

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@ -390,13 +390,7 @@ class YoutubeDL(object):
result_type = ie_result.get('_type', 'video') # If not given we suppose it's a video, support the default old system result_type = ie_result.get('_type', 'video') # If not given we suppose it's a video, support the default old system
if result_type == 'video': if result_type == 'video':
ie_result.update(extra_info) ie_result.update(extra_info)
if 'playlist' not in ie_result: return self.process_video_result(ie_result)
# It isn't part of a playlist
ie_result['playlist'] = None
ie_result['playlist_index'] = None
if download:
self.process_info(ie_result)
return ie_result
elif result_type == 'url': elif result_type == 'url':
# We have to add extra_info to the results because it may be # We have to add extra_info to the results because it may be
# contained in a playlist # contained in a playlist
@ -454,6 +448,89 @@ class YoutubeDL(object):
else: else:
raise Exception('Invalid result type: %s' % result_type) raise Exception('Invalid result type: %s' % result_type)
def process_video_result(self, info_dict, download=True):
assert info_dict.get('_type', 'video') == 'video'
if 'playlist' not in info_dict:
# It isn't part of a playlist
info_dict['playlist'] = None
info_dict['playlist_index'] = None
# This extractors handle format selection themselves
if info_dict['extractor'] in [u'youtube', u'Youku', u'YouPorn', u'mixcloud']:
self.process_info(info_dict)
return info_dict
# We now pick which formats have to be downloaded
if info_dict.get('formats') is None:
# There's only one format available
formats = [info_dict]
else:
formats = info_dict['formats']
# We check that all the formats have the format and format_id fields
for (i, format) in enumerate(formats):
if format.get('format') is None:
if format.get('height') is not None:
if format.get('width') is not None:
format_desc = u'%sx%s' % (format['width'], format['height'])
else:
format_desc = u'%sp' % format['height']
else:
format_desc = '???'
format['format'] = format_desc
if format.get('format_id') is None:
format['format_id'] = compat_str(i)
if self.params.get('listformats', None):
self.list_formats(info_dict)
return
format_limit = self.params.get('format_limit', None)
if format_limit:
formats = [f for f in formats if f['format_id'] <= format_limit]
if self.params.get('prefer_free_formats'):
def _free_formats_key(f):
try:
ext_ord = [u'flv', u'mp4', u'webm'].index(f['ext'])
except ValueError:
ext_ord = -1
# We only compare the extension if they have the same height and width
return (f.get('height'), f.get('width'), ext_ord)
formats = sorted(formats, key=_free_formats_key)
req_format = self.params.get('format', 'best')
formats_to_download = []
if req_format == 'best' or req_format is None:
formats_to_download = [formats[-1]]
elif req_format == 'worst':
formats_to_download = [formats[0]]
# The -1 is for supporting YoutubeIE
elif req_format in ('-1', 'all'):
formats_to_download = formats
else:
# We can accept formats requestd in the format: 34/10/5, we pick
# the first that is availble, starting from left
req_formats = req_format.split('/')
for rf in req_formats:
matches = filter(lambda f:f['format_id'] == rf ,formats)
if matches:
formats_to_download = [matches[0]]
break
if not formats_to_download:
raise ExtractorError(u'requested format not available')
if download:
if len(formats_to_download) > 1:
self.to_screen(u'[info] %s: downloading video in %s formats' % (info_dict['id'], len(formats_to_download)))
for format in formats_to_download:
new_info = dict(info_dict)
new_info.update(format)
self.process_info(new_info)
# We update the info dict with the best quality format (backwards compatibility)
info_dict.update(formats_to_download[-1])
return info_dict
def process_info(self, info_dict): def process_info(self, info_dict):
"""Process a single resolved IE result.""" """Process a single resolved IE result."""
@ -672,3 +749,17 @@ class YoutubeDL(object):
vid_id = info_dict['extractor'] + u' ' + info_dict['id'] vid_id = info_dict['extractor'] + u' ' + info_dict['id']
with locked_file(fn, 'a', encoding='utf-8') as archive_file: with locked_file(fn, 'a', encoding='utf-8') as archive_file:
archive_file.write(vid_id + u'\n') archive_file.write(vid_id + u'\n')
def list_formats(self, info_dict):
formats_s = []
for format in info_dict.get('formats', [info_dict]):
formats_s.append("%s\t:\t%s\t[%s]" % (format['format_id'],
format['ext'],
format.get('format', '???'),
)
)
if len(formats_s) != 1:
formats_s[0] += ' (worst)'
formats_s[-1] += ' (best)'
formats_s = "\n".join(formats_s)
self.to_screen(u"[info] Available formats for %s:\nformat code\textension\n%s" % (info_dict['id'], formats_s))

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@ -235,7 +235,7 @@ def parseOpts(overrideArguments=None):
video_format.add_option('-f', '--format', video_format.add_option('-f', '--format',
action='store', dest='format', metavar='FORMAT', action='store', dest='format', metavar='FORMAT', default='best',
help='video format code, specifiy the order of preference using slashes: "-f 22/17/18". "-f mp4" and "-f flv" are also supported') help='video format code, specifiy the order of preference using slashes: "-f 22/17/18". "-f mp4" and "-f flv" are also supported')
video_format.add_option('--all-formats', video_format.add_option('--all-formats',
action='store_const', dest='format', help='download all available video formats', const='all') action='store_const', dest='format', help='download all available video formats', const='all')