[mythtv-users] Sony Android TV does not play AVC [h.264] recordings from MythTV UPNP - but from MiniDLNA

[David Engel]

On Sun, Jun 17, 2018 at 02:16:11PM -0400, Peter Bennett wrote:
> 
> On 06/17/2018 04:50 AM, Philipp Hahn wrote:
> > Hello,
> > 
> > I have a Sony KD-55XE8096 TV, which is powered by Android TV. Using the
> > "Video" App I'm able to play my h.264 transcoded videos (using
> > Handbrake), but DVB-C [Germany] recordings using h.264 fail to play. I
> > only get the following error message on the TV:
> > 
> > > "Video kann nicht abgespielt werden".
> > which translates to "Video cannot be played".
> > Recordings still using "MPEG-2" play fine.
> > 
> > If I take the same file and serve it with "MiniDLNA", it plays fine.
> > 
> > Using curl I see the following differences in the returned HTTP headers:
> > 
> > > $ curl -I  http://scout.fritz.box:8200/MediaItems/25.mpg
> > > HTTP/1.1 200 OK
> > > Connection: close
> > > Date: Sun, 17 Jun 2018 08:25:38 GMT
> > > Server: Debian DLNADOC/1.50 UPnP/1.0 MiniDLNA/1.2.1
> > > EXT:
> > > realTimeInfo.dlna.org: DLNA.ORG_TLAG=*
> > > transferMode.dlna.org: Streaming
> > > Content-Type: video/mpeg
> > > Content-Length: 3092638728
> > > Accept-Ranges: bytes
> > > contentFeatures.dlna.org: DLNA.ORG_PN=AVC_TS_HP_HD_AC3_ISO;DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS=01700000000000000000000000000000
> > > $ curl -I  http://192.168.178.33:6544/Content/GetRecording?RecordedId=3516
> > > HTTP/1.1 200 OK
> > > Accept-Ranges: bytes
> > > Cache-Control: no-cache="Ext", max-age = 7200
> > > Connection: Keep-Alive
> > > Content-Disposition: inline; filename="13150_20180611154300.ts"
> > > Content-Language: de
> > > Content-Length: 3092638728
> > > Content-Type: video/mp2t
> > > Date: So., 17 Juni 2018 08:27:59 GMT
> > > Keep-Alive: timeout=10
> > > Last-Modified: Mo., 11 Juni 2018 16:35:00 GMT
> > > Server: MythTV/29.1-9-gd9d702526b-dirty Linux/4.9.0-6-amd64 UPnP/1.0
> > > transferMode.dlna.org: Streaming
> > For comparison here's one of my h.264 encoded videos playing fine:
> > 
> > > curl -I http://192.168.178.33:6544/Content/GetVideo?Id=1414
> > > HTTP/1.1 200 OK
> > > Accept-Ranges: bytes
> > > Cache-Control: no-cache="Ext", max-age = 7200
> > > Connection: Keep-Alive
> > > Content-Disposition: inline; filename="REDACTED.m4v"
> > > Content-Language: de
> > > Content-Length: 745221397
> > > Content-Type: video/mp4
> > > Date: So., 17 Juni 2018 08:46:21 GMT
> > > Keep-Alive: timeout=10
> > > Last-Modified: So., 27 Mai 2018 14:15:40 GMT
> > > Server: MythTV/29.1-9-gd9d702526b-dirty Linux/4.9.0-6-amd64 UPnP/1.0
> > > transferMode.dlna.org: Streaming
> > 
> > I found <https://esupport.sony.com/US/perl/support-info.pl?info_id=799>
> > which documents the "Supported File Formats for DLNA® and USB Compatible
> > Sony® TVs", but its unclear if it also applies to the Android based TVs.
> > 
> > I've also tried to run the recording through "ffmpeg -c:v copy -c:a copy
> > -sn -movflags empty_moov -flags global_header", but that hasn't helped.
> > 
> > 
> > Does someone know how to play those h.264 recordings on Android?
> > 
> > Thanks in advance.
> > Philipp
> > _______________________________________________
> > 
> 
> We are working on an android build of MythTV. Anything that plays in MythTV
> should play in the android build. It is a work in progress but quite usable
> at this time.

I'm not as optimistic.  The SOCs used in those TVs with built in
Android TV support are notoriously weak have limited RAM and storage
space.

David
-- 
David Engel
david at istwok.net