[mythtv-users] [mythtv] 20180705 Android Observations

[David Engel]

How did this get on mythtv-users?  I added mythtv-dev back to the cc
list.

On Fri, Jul 13, 2018 at 06:18:44PM +0100, jksj wrote:
> On 13/07/18 15:55, Lennart Sorensen wrote:
> > On Thu, Jul 12, 2018 at 04:35:21PM -0500, David Engel wrote:
> > > On Thu, Jul 12, 2018 at 04:13:07PM -0400, Lennart Sorensen wrote:
> > > > On Thu, Jul 12, 2018 at 02:56:16PM -0500, David Engel wrote:
> > > > > It was using timestretch at 1.5x.  It didn't happen last night.  I did
> > > > > see multiple, but not too many, short pauses, as you described.  They
> > > > > were annoying, but certainly not as annoying as exiting playback
> > > > > altogether.  I later tried some talking heads shows at 1.8x
> > > > > timestretch, but I couldn't take the jitter.
> > > > > 
> > > > > Yes, it shouldn't hurt.  Hopefully, they will take interest.  Our
> > > > > timestretch and fast forward/rewind use is definitely more of a
> > > > > torture test than with any other player of which I'm aware.
> > > > All this talk of mythtv on android got me curious, so I just tried doing
> > > > a build to see how it would be on my Sony TV, but since (I believe)
> > > > it runs 32 bit, I had to build for that, and those 32 bit large file
> > > > support bugs hit and that seems just not fixable.  Trying to go to API
> > > > 24 that supposedly fixes that problem causes other things to not work.
> > > > 
> > > > Oh well, I guess the sony TV is probably too ram limited anyhow to run
> > > > the frontend.
> > > > 
> > > > I think the readme file might as well state building for 32 bit is broken
> > > > for now.  Would have saved some time.
> > > What doesn't work for you?  I have a 32-bit, Anroid box on which I do
> > > some very, basic testing.  I haven't noticed anything not working.
> > Get an error about undefined ::fgetpos in freesurround.cpp which from what
> > I found is due to using android API less than 24 and _FILE_OFFSET_BITS=64
> > 
> > Following the readme uses API 21.
> > 
> > This is where the build ends:
> > 
> > In file included from freesurround.cpp:20:0:
> > /home/lsorense/android/android-ndk/sources/cxx-stl/gnu-libstdc++/4.9/include/cstdio:107:11: error: '::fgetpos' has not been declared
> >     using ::fgetpos;
> >             ^
> > [...]
> > 
> My successfull 32 bit build was against
> 
> API 24,
> 
> SDK Tools 26.1.1
> 
> android-ndk-r15c
> 
> SDK Platform Tools 28.00 - I only used this because I did not know how to
> load the earlier version
> 
> Two changes were required
> 
> workdir/mythtv/mythtv/configure
> 
> #export ANDROID_BUILD_TOOLS_REVISION=27.0.3
> export ANDROID_BUILD_TOOLS_REVISION=28.0.0
> 
> workdir/packaging/android/config
> 
> #check_cppflags -D_FILE_OFFSET_BITS=64
> 
> #check_cxx -D_FILE_OFFSET_BITS=64 <<EOF && add_cxxppflags
> -D_FILE_OFFSET_BITS=64

Can you please open a ticket for this and attach your patch?  That
will help make sure I or one of the other devs don't forget about it.

David
-- 
David Engel
david at istwok.net