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-rw-r--r--youtube_dl/extractor/common.py16
1 files changed, 5 insertions, 11 deletions
diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py
index 34a28c126..655207447 100644
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -910,10 +910,8 @@ class InfoExtractor(object):
# may differ leading to inability to resolve the format by requested
# bitrate in f4m downloader
if determine_ext(manifest_url) == 'f4m':
- f4m_formats = self._extract_f4m_formats(
- manifest_url, video_id, preference, f4m_id, fatal=fatal)
- if f4m_formats:
- formats.extend(f4m_formats)
+ formats.extend(self._extract_f4m_formats(
+ manifest_url, video_id, preference, f4m_id, fatal=fatal))
continue
tbr = int_or_none(media_el.attrib.get('bitrate'))
formats.append({
@@ -1147,10 +1145,8 @@ class InfoExtractor(object):
src_url = src if src.startswith('http') else compat_urlparse.urljoin(base, src)
if proto == 'm3u8' or src_ext == 'm3u8':
- m3u8_formats = self._extract_m3u8_formats(
- src_url, video_id, ext or 'mp4', m3u8_id='hls', fatal=False)
- if m3u8_formats:
- formats.extend(m3u8_formats)
+ formats.extend(self._extract_m3u8_formats(
+ src_url, video_id, ext or 'mp4', m3u8_id='hls', fatal=False))
continue
if src_ext == 'f4m':
@@ -1162,9 +1158,7 @@ class InfoExtractor(object):
}
f4m_url += '&' if '?' in f4m_url else '?'
f4m_url += compat_urllib_parse.urlencode(f4m_params)
- f4m_formats = self._extract_f4m_formats(f4m_url, video_id, f4m_id='hds', fatal=False)
- if f4m_formats:
- formats.extend(f4m_formats)
+ formats.extend(self._extract_f4m_formats(f4m_url, video_id, f4m_id='hds', fatal=False))
continue
if src_url.startswith('http') and self._is_valid_url(src, video_id):