ubuntu-phone team mailing list archive

[Jim Hodapp <jim.hodapp@xxxxxxxxxxxxx>]

Hi David,

The current stable release of Ubuntu Touch (13.10) does not officially
support playback of theora, daala or opus video/audio. The only supported
codecs at this time are h.264 and mpeg4 for video, and mp3, aac, wav and
flac for audio. We should be adding more codec support in the future.

Jim


On Sun, Dec 8, 2013 at 1:13 AM, David Marceau <uticdmarceau2007@xxxxxxxx>wrote:

> When playing theora videos from browser/filemanager, there is this huge
> delay before playing(BUG).
> http://adequatech.ca/blah.theora
>
> When playing daala encoded videos, there is nothing displayed(BUG).
> There is no daala encoded support anywhere in ubuntu repositories yet
> within ffmpeg or other tools.
> http://adequatech.ca/blah.daala
>
> Opus encoded audio .opus files play well from the filemanager/browser on
> the nexus 4.  The opus files do show up under the Music category when
> going to the home dash.
> http://adequatech.ca/blah.opus
>
> I tried encoding .mp4 files with ffmpeg on the ubuntu phone itself and
> it flies.  When I encoded theora, it's slower software-based encoding
> rather than hardware supported encoding.  Perhaps using Nexus 4's OpenCL
> api would help with theora/daala encoding/decoding, but the end result
> is the hardware-support mp4 rules performance wise.
>
> HEVC video format isn't supported yet either.  I tried these on Ubuntu
> Phone(Nexus 4) Saucy stable and Saucy desktop.  It doesn't work anywhere
> yet:
>
> http://trailers.divx.com/hevc/TearsOfSteelFull12min_720p_24fps_27qp_831kbps_720p_GPSNR_41.65_HM11.mkv
>
> http://trailers.divx.com/hevc/TearsOfSteelFull12min_720p_24fps_27qp_831kbps_720p_GPSNR_41.65_HM11.hevc
>
> Cheers,
> David Marceau
>
>
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