X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/1169b048fab1ef2e5cbad85340928b8c69dd2758..a4343ecc2bb1c6e5920a4ab619bc1d6f47bf3d41:/debian/NEWS

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+youtube-dl (2013.10.23-1) unstable; urgency=low
+
+  From http://cynic.cc/blog/posts/2013-10-23-assorted_news/:
+
+   [13]Some people may have noticed, others may not, but when downloading
+   videos from Youtube, they apparently are getting more aggressive with
+   the use of [14]Dynamic Adaptive Streaming over HTTP (also called DASH)
+   and, as a result, some (perhaps going to be all in the near future?) of
+   the videos may not be available in the resolution/formats that you used
+   to like (like me, with format number 35).
+
+   By the way, one thing that is interesting with youtube videos provided
+   via DASH is that they are available in different streams: one for the
+   video and another for the audio.
+
+   What does this mean in practical terms for users of youtube-dl? Well,
+   if you wanted to download videos in resolutions like the 480p (format
+   35) that I mentioned, then you will probably have to change your way of
+   doing things, until a more automated solution is in place.
+
+   You will have to download both the audio and the video and, then,
+   "combine" them (that is, multiplex them) to create one "normal" video
+   file with both the audio and the video. I usually do this via:
+
+   ffmpeg -i audio.m4a -i video.mp4 -vcodec copy -acodec copy combined.mp4
+
+   If you prefer having a Matroska container instead of an mp4 container
+   (which, BTW, results in smaller muxing overhead), then you can use the
+   command line:
+
+   mkvmerge -o combined.mkv audio.m4a video.mp4
+
+   Oh, those m4a and mp4 extensions are a new addition that [15]I just
+   sent upstream (in the past, both would have been named with an
+   extension of mp4).
+
+   As, an aside, I like formats 135 for video and 140 for audio, for the
+   reasons that I mentioned in a comments to issue 1612:
+
+     Otherwise, to download 480p videos (which I do for lectures and so
+     on with other projects of mine, like edx-dl) I have to call
+     youtube-dl twice: once for format 135 and another for format 140,
+     since the old (?) format 35 files are much smaller than the lower
+     resolution 360p files (due to the former being encoded in High
+     profile vs. the latter being encoded in Constrained Baseline
+     profile).
+
+   While this is unfortunate for some, this is a good thing for others: I
+   once had a blind user of youtube-dl asking me if he could avoid
+   downloading the whole video just to extract the audio, so that he save
+   on bandwidth. Well, now this is possible.
+
+
+  13. https://github.com/rg3/youtube-dl/issues/1612
+  14. https://en.wikipedia.org/wiki/Dynamic%20Adaptive%20Streaming%20over%20HTTP
+  15. https://github.com/rg3/youtube-dl/pull/1622
+
+ -- Rogério Brito <rbrito@ime.usp.br>  Fri, 25 Oct 2013 01:25:41 -0200
+
 youtube-dl (2010.07.22-1) unstable; urgency=medium
 
   The upstream author has removed support for the -b ("best format") and