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use ffmpeg to merge mp4 files, support clip extraction from multiple parts

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This commit is contained in:
j 2017-11-16 16:39:38 +01:00
commit 959ffaba25
2 changed files with 27 additions and 10 deletions
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14
pandora/item/views.py
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@ -1022,7 +1022,6 @@ def video(request, id, resolution, format, index=None, track=None):
path = stream.media.path
# server side cutting
# FIXME: this needs to join segments if needed
t = request.GET.get('t')
if t:
def parse_timestamp(s):
@ -1031,8 +1030,19 @@ def video(request, id, resolution, format, index=None, track=None):
return float(s)
t = list(map(parse_timestamp, t.split(',')))
ext = '.%s' % format
duration = stream.info['duration']
# multipart request beyond first part, merge parts and chop that
if not index and streams.count() > 1 and stream.info['duration'] < t[1]:
video = NamedTemporaryFile(suffix=ext)
r = item.merge_streams(video.name, resolution, format)
if not r:
return HttpResponseForbidden()
path = video.name
duration = sum(item.json['durations'])
content_type = mimetypes.guess_type(path)[0]
if len(t) == 2 and t[1] > t[0] and stream.info['duration'] >= t[1]:
if len(t) == 2 and t[1] > t[0] and duration >= t[1]:
response = HttpResponse(extract.chop(path, t[0], t[1]), content_type=content_type)
filename = u"Clip of %s - %s-%s - %s %s%s" % (
item.get('title'),