ubuntu-phone team mailing list archive

[Jim Hodapp <jim.hodapp@xxxxxxxxxxxxx>]

You'll want to check with the webapp or Oxide team guys to see if that's
possible.

On Thu, Aug 6, 2015 at 11:05 AM, Max Brustkern <max.brustkern@xxxxxxxxxxxxx>
wrote:

> Do we have any way to autoplay a youtube video? The test is going to be
> more difficult if we need to use some other of starting the video, but it
> should still be doable.
>
> On Tue, Aug 4, 2015 at 8:05 PM, Selene Scriven <
> selene.scriven@xxxxxxxxxxxxx> wrote:
>
>> * Jim Hodapp <jim.hodapp@xxxxxxxxxxxxx> wrote:
>> > >   First issue is music playback, using about 16% of CPU. And
>> > >   so using too much battery, this need to be fixed.
>> >
>> > This is actually pretty low and is not really the source of
>> > your battery drain.  Try your test again but just do music
>> > playback and no video and see how much your battery goes down.
>>
>> We've got music power tests running on each build these days.  On
>> the MX4 it shows about 212mA average playing through the built-in
>> speaker, or (IIRC) about 180mA through headphones.  This works
>> out to about 14.6 hours or 17.2 hours of play time.
>>
>> > This is definitely what ate your battery charge as when playing
>> > YouTube videos from the browser that's doing full software
>> > decoding of the stream with no hardware assistance. Thus it's
>> > going to be pretty inefficient. Work is in progress right now
>> > to bring full hardware accelerated video playback to all videos
>> > played through the browser.
>>
>> Video power tests run on each build too, but not in a browser.
>> That might be a good thing to add.  My manual tests show nearly
>> twice as much power used in youtube (720p) as for local videos
>> (1080p).  For local videos, it works out to about 6 hours.
>>
>>
>> -- Selene
>>
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>
>