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SageTV Beta Test Software Discussion related to BETA Releases of the SageTV application produced by SageTV. Questions, issues, problems, suggestions, etc. regarding SageTV Beta Releases should be posted here. |
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#1
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MediaServer ReadAhead
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blog: www.iamwhen.com |
#2
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You would use this if you're watching high bitrate files on the HD extender and they don't playback smoothly (i.e. pauses in the video due to the high datarate). The only formats it'll work well for though is mpg, ts and mkv. (other formats don't read linearly so the optimization doesn't work for them)
This helps greatly when the device the media on isn't all that fast. For example; if I put a 40 Mbps MKV file on my workstation; it has no problem streaming it to the extender w/out this optimization. But if I put that same file on my Buffalo Terastation; it'll stutter constantly during playback. If I then enable the optimization; I can then get smooth playback even from the Terastation.
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Jeffrey Kardatzke Founder of SageTV |
#3
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Why would you NOT enable this then? Seems like it should be a default??
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Intel Q6600 Quad Core, 8GB RAM on Windows 7 Professional x64 |
#4
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Which settings file?
Should this setting go in the sage.properties file?
Is this the correct way to use it: media_server/readahead_optimized_file_extensions=mpg Thanks
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Mark J Whittaker |
#5
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Would the setting work with VOB files seeing as they are basically mpgs?
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blog: www.iamwhen.com |
#6
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So,
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media_server/readahead_optimized_file_extensions=mkv,ts,m2ts Is that possible/correct?? Hoping m2ts works like TS and that this is the proper syntax? Thanks
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Server: PhenomII X4 810, 16GB, 4850, C: 256GB Samsung SSD, D: HGST 3TB, E: HGST 4TB, H: 3T Seagate, 1.5 TB on NAS via UNC, Win 10 x64, Sage 9 Cable provider is Comcast, Schedules Direct Tuners: 4 ATSC - 2 seperate HD Homeruns all via Channel Master CM2016 on roof, 6 cable via 2 hdhomerun primes (opendct), 1 HD-PVR (in tuner priority order) Clients: Wired: HD300, HD200, HD200 running Squeeze Slave, Placeshifters, HD200 (via wireless N bridge) |
#7
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Slightly related question.
I have some hi bit rate files that play fine as m2ts or Ts files on my pc, when I convert them to mkv I always end up with audio sync problems. So, I'd like to leave them as TS files. However, those TS files have no audio when played back through the HD extender. What's the right way to troubleshoot that problem?? Thanks
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Server: PhenomII X4 810, 16GB, 4850, C: 256GB Samsung SSD, D: HGST 3TB, E: HGST 4TB, H: 3T Seagate, 1.5 TB on NAS via UNC, Win 10 x64, Sage 9 Cable provider is Comcast, Schedules Direct Tuners: 4 ATSC - 2 seperate HD Homeruns all via Channel Master CM2016 on roof, 6 cable via 2 hdhomerun primes (opendct), 1 HD-PVR (in tuner priority order) Clients: Wired: HD300, HD200, HD200 running Squeeze Slave, Placeshifters, HD200 (via wireless N bridge) |
#8
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Quote:
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blog: www.iamwhen.com |
#9
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Did anyone figure out the proper syntax of this property? I want to try it to see if it gets rid of micro stutter when playing back H.264 files from the HD-PVR via my HD extender.
THanks in advance.
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Eckwell / Chicago, IL SERVER: AMD Phenom III 8750 Black / 4 GB / XP Pro / JV1.6.24 / V7 / 2 PVR-HD (DirectTV) & HDHR (2xATSC) STORAGE: WD Raptor36GB boot / 11TB in 2 eSATA enclosure DEFAULT STV Comskip triggered by DirMON2 --- HD100 / HD200 /HD300 BMI fanart |
#10
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The syntax should be like:
media_server/readahead_optimized_file_extensions=.mkv,.ts,.m2ts That's how I have it.
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Windows 10 64bit - Server: C2D, 6Gb RAM, 1xSamsung 840 Pro 128Gb, Seagate Archive HD 8TB - 2 x WD Green 1TB HDs for Recordings, PVR-USB2,Cinergy 2400i DVB-T, 2xTT DVB-S2 tuners, FireDTV S2 3 x HD300s |
#11
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Did it make a difference for you?
I tried that entry and I'm still having periodic stutters when playing back hi-bitrate blu-ray rips that have been converted to mkvs. Thanks
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Server: PhenomII X4 810, 16GB, 4850, C: 256GB Samsung SSD, D: HGST 3TB, E: HGST 4TB, H: 3T Seagate, 1.5 TB on NAS via UNC, Win 10 x64, Sage 9 Cable provider is Comcast, Schedules Direct Tuners: 4 ATSC - 2 seperate HD Homeruns all via Channel Master CM2016 on roof, 6 cable via 2 hdhomerun primes (opendct), 1 HD-PVR (in tuner priority order) Clients: Wired: HD300, HD200, HD200 running Squeeze Slave, Placeshifters, HD200 (via wireless N bridge) |
#12
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I'm also curious if this setting has made a difference for anyone.
I have enabled it on my server, but have not seen the slightest difference on any media files that have been giving my HD extender difficulties. Other than modifying "media_server/readahead_optimized_file_extensions " is there anything else that needs to be done to take advantage of this setting? Or is it possible that while the server has this setting, maybe the Extender firmware does not support it? |
#13
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Can anyone validate one way or another whether this setting is working correctly? A read ahead buffer would go a long way towards dealing with stutter problems I'm having when pulling high bitrate H264 off of my ReadyNAS.
Thanks Bill |
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