[vlc-devel] httplive bug fixes

Sergio M. Ammirata, Ph.D. sergio at ammirata.net
Mon Oct 3 20:02:59 CEST 2011

I also think than an option to select a specific stream is very useful,
wether it is selected by bandwidth min and max or by position. JP's issue
with the streamindex option is that he wanted it implemented differently.
His request was that the module should be changed to an access_demux
module instead of a stream_filter module so that the meta index and all
separate streams could be added to the playlist and each one could then be
selected by the user.

That goes beyond my expertise so I cannot comment further on it. All I can
tell you is that the bandwidth stream selection option could be specified
in this module as well if you follow the the code used for streamindex on
my first patch.



 Here is a modified patch without the streamindex parameter.


On 10/3/11 10:32 AM, "David Glaude" <david.glaude at gmail.com> wrote:

>2011/10/3 Jean-Paul Saman <jpsaman at gmail.com>
>> On Sun, Oct 2, 2011 at 7:11 PM, Sergio M. Ammirata, Ph.D.
>> <sergio at ammirata.net> wrote:> 6) I added a new option that will let the
>>user specify the specific stream
>> > to use from the meta index file. This option is useful if you do not
>>want to
>> > switch between bitrates when they are available.
>> As told you in private already 6 is a NAK
>Without entering in your private conversation, I see an interest in
>getting a fixed video bitrate of the video. For live, there is a high
>risk of running out of buffer, but for VOD there is no issue.
>If not for watching, it might be usefull for archive of a video or for
>transcoding into anything else.
>What is really missing from VLC for anybody working with content
>available in multiple video bitrate, it is a way to specify the
>"available bitrate" from your internet connection (could be set to
>autodetect). Then VLC should obey this information and when multiple
>bitrate are available, pick one below your max. What is needed is a
>global parameter similar to prefered language.
>If you agree that a max might be needed (just like it is present in
>Windows Media Player and Quicktime Player), then a min should be
>possible ("I refuse to see pixelized video with bitrate below x"). And
>with a min and a max, you can pick a precise bitrate.
>As for HLS, it might not be necessary at all if VLC support to read
>directly from one of the variant playlist such as:
>http://example.com/mid.m3u8 (see
>Could you please indicate if "Playlist with Alternative audio" is or
>will be supported by VLC?
>I am literally obsess with multilanguage support and have the strong
>feeling that iOS5 (already available for apple developper) to be
>announced on iPhone 5(?) tomorow may well support some kind of
>alternate audio support.
>The trick is that the audio is downloaded separately from the video
>and it is up to the player to sync both.
>This is perfect from a transport/caching/storing point of view.
>David Glaude
>vlc-devel mailing list
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