Intermitent black screen during play back
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29th Mar, 2013, 06:08 AM
Post: #1
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Intermitent black screen during play back
Hello
First thanks for this amazing distros, it is working great and far smooth than raspbian with xbmc over it. I have a problem. When i play a video in xbmc, it happens that there is an interemittent black screen of 0.5 seconds. It is not regular at all, sometimes i got 4 black screen in a row, then nothing in the next 5 minutes. Some videos have this problem, others have not. of course it is not in the video. I suspect some kind of overflow, but i cannot see any terminal output to check on that. So here my questions : Do you have any ideas what can be the cause? and how can i fix this? Is there any way to get the terminal output of the video player, in a log file for example ? Is the video player used by xbmc omxplayer? i've tried to use omxplayer to play the video but the package is not even installed, so how xbmc play videos? Thanks Edit: Here are some mediainfo : NO BLACK SCREEN FILE : Terminal General Unique ID : 179965827406413707256323989306792786177 (0x876428584449BF05ACF59C3F7B48B901) Complete name : b.mkv Format : Matroska File size : 434 MiB Duration : 43mn 36s Overall bit rate : 1 393 Kbps Encoded date : UTC 2013-03-19 15:52:52 Writing application : mkvmerge v5.0.0 ('Die Wahre Liebe') built on Sep 25 2011 20:33:49 Writing library : libebml v1.2.2 + libmatroska v1.3.0 Video ID : 1 Format : AVC Format/Info : Advanced Video Codec Format profile : Main@L3.1 Format settings, CABAC : Yes Format settings, ReFrames : 4 frames Codec ID : V_MPEG4/ISO/AVC Duration : 43mn 36s Bit rate : 1 200 Kbps Width : 1 024 pixels Height : 576 pixels Display aspect ratio : 16:9 Frame rate : 23.976 fps Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Bits/(Pixel*Frame) : 0.085 Stream size : 366 MiB (84%) Writing library : x264 core 98 r1649 c54c47d Encoding settings : cabac=1 / ref=2 / deblock=1:0:0 / analyse=0x1:0x111 / me=hex / subme=6 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=0 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=12 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / weightp=2 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc_lookahead=30 / rc=2pass / mbtree=1 / bitrate=1200 / ratetol=1.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / ip_ratio=1.40 / aq=1:1.00 Audio ID : 2 Format : AC-3 Format/Info : Audio Coding 3 Mode extension : CM (complete main) Codec ID : A_AC3 Duration : 43mn 36s Bit rate mode : Constant Bit rate : 192 Kbps Channel(s) : 2 channels Channel positions : Front: L R Sampling rate : 48.0 KHz Bit depth : 16 bits Compression mode : Lossy Stream size : 59.9 MiB (14%) BLACK SCREEN FILE: Terminal General Unique ID : 218862345834585499347943933466949820798 (0xA4A75AC40FD504B2A2AD961E7C91A17E) Complete name : a.mkv Format : Matroska File size : 502 MiB Duration : 44mn 13s Overall bit rate : 1 587 Kbps Encoded date : UTC 2013-03-19 09:50:04 Writing application : mkvmerge v5.0.0 ('Die Wahre Liebe') built on Sep 25 2011 20:33:49 Writing library : libebml v1.2.2 + libmatroska v1.3.0 Video ID : 1 Format : AVC Format/Info : Advanced Video Codec Format profile : Main@L3.2 Format settings, CABAC : Yes Format settings, ReFrames : 8 frames Codec ID : V_MPEG4/ISO/AVC Duration : 44mn 13s Bit rate : 1 200 Kbps Width : 1 024 pixels Height : 576 pixels Display aspect ratio : 16:9 Frame rate : 23.976 fps Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Bits/(Pixel*Frame) : 0.085 Stream size : 370 MiB (74%) Writing library : x264 core 98 r1649 c54c47d Encoding settings : cabac=1 / ref=8 / deblock=1:0:0 / analyse=0x1:0x131 / me=umh / subme=9 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=32 / chroma_me=1 / trellis=1 / 8x8dct=0 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=12 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / constrained_intra=0 / bframes=6 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / weightp=2 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc_lookahead=50 / rc=2pass / mbtree=1 / bitrate=1200 / ratetol=1.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / ip_ratio=1.40 / aq=1:1.00 Audio ID : 2 Format : AC-3 Format/Info : Audio Coding 3 Mode extension : CM (complete main) Codec ID : A_AC3 Duration : 44mn 13s Bit rate mode : Constant Bit rate : 384 Kbps Channel(s) : 6 channels Channel positions : Front: L C R, Side: L R, LFE Sampling rate : 48.0 KHz Bit depth : 16 bits Compression mode : Lossy Stream size : 121 MiB (24%) For me the main difference is the audio, black screen one got 6 channels. I'm gonna check on that. |
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29th Mar, 2013, 09:29 AM
Post: #2
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RE: Intermitent black screen during play back
I was quite right, this black screen was an audio problem.
In xbmc settings, system->audio , i was configured in 7.0 , i've changer it to 2.0 and this black screen problem reduced a lot, but still not completelly. anyone having same problem ? i've found how to get the log, enable logging in system->logging then look in .xbian/temp/xbmc.log, but it's pretty extensive and incomprehensible. I'm still unable to find the actual path to the omxplayer used in xbmc. or may be it is built inside it? |
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29th Mar, 2013, 08:14 PM
Post: #3
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Intermitent black screen during play back
Omxplayer is built directly into the xbmc.bin
Please read rules and do a search before you post! . FAQs . How to post log file? . Looking for answers? Please start here |
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31st Mar, 2013, 06:31 AM
Post: #4
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RE: Intermitent black screen during play back
well thank you, i gonna use my raspbian image for direct use of omxplayer i guess.
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4th Apr, 2013, 04:32 AM
Post: #5
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Re: RE: Intermitent black screen during play back
(31st Mar, 2013 06:31 AM)GloW Wrote: well thank you, i gonna use my raspbian image for direct use of omxplayer i guess. sudo apt-get install omxplayer sudo service xbmc stop Please read rules and do a search before you post! | FAQs | How to post log file? | Can't find an answer? Contact us. |
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24th Jun, 2013, 10:29 AM
Post: #6
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RE: Intermitent black screen during play back
I have the same problem, I did a fresh install and the first 3 days did work perfectly.. then it started again.
I dont want to switch to another distro cuz I like xbian, but I have no choice until someone find the solution.. |
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24th Jun, 2013, 11:18 PM
Post: #7
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RE: Intermitent black screen during play back
Is "output to all speakers" in System -> Audio set?
This has been known to cause problems, so if it is set, remove it and see if that improves things. Please read before you post How to post a log file If you liked my help, click on "Thanks" to show your appreciation.
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