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import os
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import urllib
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def generate_master(playlists):
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"""Generate master playlist. Playlists arg should be a map {name: url}.
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Little validation or encoding is done - please try to keep the names valid
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without escaping.
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"""
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lines = ["#EXTM3U"]
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for name, url in playlists.items():
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lines += [
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# We name each variant with a VIDEO rendition with no url
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'#EXT-X-MEDIA:TYPE=VIDEO,GROUP-ID="{name}",NAME="{name}",AUTOSELECT=YES,DEFAULT=YES'.format(name=name),
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'#EXT-X-STREAM-INF:VIDEO="{name}"'.format(name=name),
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url,
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]
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return "\n".join(lines) + '\n'
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def generate_media(segments, base_url):
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"""Generate a media playlist from a list of segments as returned by common.get_best_segments().
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Segments are specified as hour/name.ts relative to base_url.
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"""
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lines = [
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"#EXTM3U",
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"#EXT-X-TARGETDURATION:6",
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]
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for segment in segments:
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# TODO handle missing bits, stream endings, other stuff
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if segment is not None:
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path = '/'.join(segment.path.split('/')[-2:])
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lines.append("#EXTINF:{:.3f},live".format(segment.duration.total_seconds()))
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lines.append(urllib.quote(os.path.join(base_url, path)))
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return "\n".join(lines) + '\n'
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