Force AC3 track from multi-audio m4v

[mbnwa 49]

It would seem my LG Smart TV is transcoding on Play To vs Direct Play - I did add m4v to the default LG Smart TV profile and it now shows under the custom section - maybe it's transcoding on some other format in the file or is this normal even with direct play?

 

Can some sort of regex be used to grep the mapping of the ac3 vs aac stream and output the ac3 stream in place of the first audio track if the device DLNA profile supports ac3 as a direct play format?

 

 

 Url: http://192.168.60.10...rowser/Sessions
2014-05-03 18:19:17.0310 Debug - HttpServer: HTTP POST http://192.168.60.10...Command=PlayNow
2014-05-03 18:19:17.0400 Debug - Dlna: [TV][LG]42LA6200-UA - Received PlayRequest: PlayNow
2014-05-03 18:19:17.0400 Debug - Dlna: Found matching device profile: LG Smart TV
2014-05-03 18:19:17.0880 Debug - Dlna: [TV][LG]42LA6200-UA - Playlist created
2014-05-03 18:19:17.0880 Debug - Dlna: [TV][LG]42LA6200-UA - Playing 1 items
2014-05-03 18:19:17.0880 Debug - Dlna: [TV][LG]42LA6200-UA - SetAvTransport Uri: http://192.168.60.10...;1920;1080;0;41 DlnaHeaders: DLNA.2014-05-03 18:19:17.0990 Info - App: HttpClientManager POST:http://192.168.60.13...0b9/control.xml
2014-05-03 18:19:17.1941 Info - App: HttpClientManager POST: http://192.168.60.13...0b9/control.xml
2014-05-03 18:19:17.8956 Debug - HttpServer: HTTP GET http://192.168.60.10...;1920;1080;0;41
2014-05-03 18:19:17.9396 Info - App: C:\Users\Michael\AppData\Roaming\MediaBrowser-Server\ffmpeg\20140304\ffmpeg.exe -fflags genpts -i file:"S:\Media Storage\TV Shows\Human Target\Season 2\01 Ilsa Pucci (1080p HD).m4v" -map 0:1 -map 0:0 -map -0:s -vcodec copy -bsf h264_mp4toannexb -map_metadata -1 -threads 2 -acodec ac3 -ac 2 -ab 128000 -af "adelay=1,aresample=async=1" "C:\Mediabrowser DB\Transcode\f98de138-8775-6930-047f-e9faeddf6fd5.ts"
2014-05-ORG_PN=MPEG_PS_NTSC;DLNA.ORG_OP=10;DLNA.ORG_CI=1;DLNA.ORG_FLAGS=000000000150000000

 

ffprobe -i output from above TV show example:

    Duration: 00:42:56.77, start: 0.000000, bitrate: 5632 kb/s

    Stream #0:0(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 157 kb/s (default)

    Metadata:

      creation_time   : 2012-01-22 19:11:38

      handler_name    : Apple Sound Media Handler

    Stream #0:1(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080 [sAR 1:1 DAR 16:9], 5081 kb/s, 23.98 fps, 23.98 tbr, 2997 tbn, 5994 tbc (default)

    Metadata:

      creation_time   : 2012-01-22 19:11:38

      handler_name    : Apple Video Media Handler

    Stream #0:2(eng): Audio: ac3 (ac-3 / 0x332D6361), 48000 Hz, 5.1(side), fltp, 384 kb/s

    Metadata:

      creation_time   : 2012-01-22 19:11:38

      handler_name    : Apple Sound Media Handler

    Stream #0:3: Video: mjpeg, yuvj444p(pc), 640x640 [sAR 72:72 DAR 1:1], 90k tbr, 90k tbn, 90k tbc

 

ffprobe -i output from another TV show (this time the video is 0:0 and aac track is 0:1 however the ac3 track is still 0:2):

     Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1436x1080 [sAR 1:1 DAR 359:270], 10911 kb/s, 23.98 fps, 47.95 tbr, 90k tbn, 180k tbc (default)

    Metadata:

      creation_time   : 2013-12-18 04:11:57

    Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 159 kb/s (default)

    Metadata:

      creation_time   : 2013-12-18 04:11:57

    Stream #0:2(eng): Audio: ac3 (ac-3 / 0x332D6361), 48000 Hz, 5.1(side), fltp, 640 kb/s

    Metadata:

Edited May 4, 2014 by mbnwa

[Luke 37229]

This is a transcode not a direct play. It's using the original video but transcoding the audio.

 

Looking at the LG profile, there's nothing in it about direct playing m4v files. What you could do is try adding that. Make it identical to mp4. Let me know if it works, and if so, I'll add it to the next server release.

[mbnwa 49]

The below screenshots is currently how I had the server configured when I took the logs ( I do have a space after the , and before m4v should it all be ran together? I.E it's mp4, m4v vs mp4,m4v

Edited May 4, 2014 by mbnwa

[Luke 37229]

yea try removing the space.

[mbnwa 49]

Going to give that a shot now report back in a few

[mbnwa 49]

Ok so that did in fact stop the transcoding from happening however It's still only playing the AAC track and not the AC3 track. At least adding m4v to the container type does stop the transcode

 

Also another oddity came up in the logs this seems to repeat a few times during playback and the web page on my iPad can not play media file or something to that regard but the stream kept playing on the TV

 

2014-05-03 20:46:31.1283 Error - HttpServer: Error receiving web socket message

The remote party closed the WebSocket connection without completing the close handshake.

System.Net.WebSockets.WebSocketException

  at System.Net.WebSockets.WebSocketBase.WebSocketOperation.<Process>d__47.MoveNext()

--- End of stack trace from previous location where exception was thrown ---

  at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)

  at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  at System.Net.WebSockets.WebSocketBase.<ReceiveAsyncCore>d__1.MoveNext()

--- End of stack trace from previous location where exception was thrown ---

  at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)

  at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  at MediaBrowser.Server.Implementations.HttpServer.NativeWebSocket.<ReceiveBytesAsync>d__4.MoveNext()

--- End of stack trace from previous location where exception was thrown ---

  at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)

  at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  at MediaBrowser.Server.Implementations.HttpServer.NativeWebSocket.<Receive>d__0.MoveNext()

Edited May 4, 2014 by mbnwa

[Luke 37229]

we'd need to see the entire log.

[mbnwa 49]

Log posted per your request

server-63534746657.txt