Starting of HD playback
#1
Hello,

I am using OpenELEC 3.0 RC1 on Raspberry Pi Model B (512 MB). When I start the playback of an HD movie (MKV, H.264, 1080i) from NFS share it takes about 30 seconds to start the playback. Seeking (right/left/up/down or selection of a timestamp e.g. "1:00:00") is then very fast (< 5 seconds).

Starting of SD movies is also very fast (3 seconds).

Is the long initial startup time for HD movies normal? Can it be tuned?
I have already overclocked the Pi (medium setup @900 MHz)
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#2
It should be about 5 seconds with wired ethernet. Wifi will be slower.
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#3
Connection is wired (Gigabit ethernet). No problems with other clients (openelec 2.0 ion and fusion).
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#4
If you stop and play the same file again, do you still get 30 seconds delay?
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#5
Yes, I think so.

Do you mean resuming from last timestamp (yes, 30s delay)
or starting the same file twice (didn't tested yet)?
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#6
When I start the same file twice it's a bit faster, but also between 15 and 20 seconds. Heres the log:

[...]
20:20:55 T:2746106976 NOTICE: Thread COMXPlayer start, auto delete: false
20:20:55 T:2746106976 NOTICE: Creating InputStream
20:20:55 T:2746106976 NOTICE: Creating Demuxer
20:21:10 T:2746106976 NOTICE: Opening video stream: 0 source: 256
20:21:10 T:2746106976 NOTICE: OMXClock using video as reference
20:21:10 T:2746106976 NOTICE: Creating video thread
20:21:10 T:2806735968 NOTICE: Thread COMXPlayerVideo start, auto delete: false
20:21:10 T:2746106976 NOTICE: Opening audio stream: 1 source: 256
20:21:10 T:2746106976 NOTICE: Creating audio thread
20:21:10 T:2693788768 NOTICE: Thread COMXPlayerAudio start, auto delete: false
20:21:10 T:2693788768 NOTICE: OMXClock using audio as reference
[...]


How can I check the network performance?
I tried:
time cp /nfs_mounted/File.mkv /dev/null
but that brings "No space left on device" ... :-(
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#7
Nobody can help? What could cause the delay between "creating demuxer" and
"Opening video stream"?
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#8
push
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#9
Update openelec and test.

Edit: Also, if it doesn´t help, search forum for pi and interlaced video. Have a feeling it might be different from regular progressive video.
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