[vlc-devel] HttpLive: ChooseSegment function

[Jean-Paul Saman]

On Mon, Mar 5, 2012 at 10:08 PM, Łukasz Korbel <korbel85 at gmail.com> wrote:
>> When considering how to implement this, consider the use case where the
>> server provides a playlist that starts at the beginning of a program
>> that is in-progress (for example, 12 minutes into a 90-minute
>> program).  A user in this scenario wants to start watching at the
>> beginning of the playlist because that is the start of the program.
>> The list of segments will continue to grow until the program ends (at
>> which point the playlist will contain an EXT-X-ENDLIST tag).
>
> I suppose that starting playback from the first segment in playlist is
> best in most cases and this should be default behaviour of module. It
> may be implement as bool parameter: hls-play-from-beginning (default:
> true).
> If anyone for some reasons want start from the ending of playlist such
> functionality can be provided with hls-delay option. Delay can be set
> to desirable amount of seconds, where value 0 of will mean choosing
> the latest possible segment (according to specification it is last but
> two segment). From the other hand if given delay is greater than total
> duration of segments in playlist client will start from first one.
> This solution covers all cases, I believe. If you don't have
> objections for naming convention I'm using, I can implement this
> change.


The HLS httplive module makes some choices that could need an option,
so that the user can choose where to start. For instance:
- start with high quality stream (or low quality stream)

Kind regards,

Jean-Paul Saman.