Playback Issues - Audio/Video & Power

Help with audio & video playback issues, TV display type recognition & compatibility, HDCP messages, troubleshooting playback errors, advertisements, and resolving power issues.
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RokuDale
Level 9

Re: USB fails to recognize USB storage device

For DLNA, RMP browses the DLNA database folder structure to locate media. It does not remember this after leaving the dlna server or exiting RMP. It needs to be read again.
For USB, RMP now caches much of the meta data, poster art, artist, genre, etc. This can exceed a couple megabytes. If your Roku has a micro-sd card inserted (usually 2G or more), it will use that, and can use many megabytes. Saving the data on micro-sd card also preserves it across a roku reboot.
For HTTP, which is only available using a playlist on a USB drive, No meta data is retrieved or saved, it uses a simple http folder browse protocol to browse the http server. Only the name of the file is captured and stored while RMP is still running.
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Chicken
Level 8

Re: USB fails to recognize USB storage device

"RokuDale" wrote:
For DLNA, RMP browses the DLNA database folder structure to locate media. It does not remember this after leaving the dlna server or exiting RMP. It needs to be read again.
For USB, RMP now caches much of the meta data, poster art, artist, genre, etc. This can exceed a couple megabytes. If your Roku has a micro-sd card inserted (usually 2G or more), it will use that, and can use many megabytes. Saving the data on micro-sd card also preserves it across a roku reboot.
For HTTP, which is only available using a playlist on a USB drive, No meta data is retrieved or saved, it uses a simple http folder browse protocol to browse the http server. Only the name of the file is captured and stored while RMP is still running.

It's certainly a minefield, looks like the DVD player is here to stay.
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Chicken
Level 8

Re: USB fails to recognize USB storage device

"RokuDale" wrote:
For DLNA, RMP browses the DLNA database folder structure to locate media. It does not remember this after leaving the dlna server or exiting RMP. It needs to be read again.
For USB, RMP now caches much of the meta data, poster art, artist, genre, etc. This can exceed a couple megabytes. If your Roku has a micro-sd card inserted (usually 2G or more), it will use that, and can use many megabytes. Saving the data on micro-sd card also preserves it across a roku reboot.
For HTTP, which is only available using a playlist on a USB drive, No meta data is retrieved or saved, it uses a simple http folder browse protocol to browse the http server. Only the name of the file is captured and stored while RMP is still running.

Perhaps you can detail how HTTP is accomplished with Roku, where are the USB device located on the network and playlist stored?
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atc98092
Level 16

Re: USB fails to recognize USB storage device

"Chicken" wrote:
"RokuDale" wrote:
For DLNA, RMP browses the DLNA database folder structure to locate media. It does not remember this after leaving the dlna server or exiting RMP. It needs to be read again.
For USB, RMP now caches much of the meta data, poster art, artist, genre, etc. This can exceed a couple megabytes. If your Roku has a micro-sd card inserted (usually 2G or more), it will use that, and can use many megabytes. Saving the data on micro-sd card also preserves it across a roku reboot.
For HTTP, which is only available using a playlist on a USB drive, No meta data is retrieved or saved, it uses a simple http folder browse protocol to browse the http server. Only the name of the file is captured and stored while RMP is still running.

Perhaps you can detail how HTTP is accomplished with Roku, where are the USB device located on the network and playlist stored?

Dale will correct me if I have something wrong, but to use HTTP streaming there has to be an HTTP server configured to supply the stream. That means it won't just play files that can be found on a share somewhere on your server. The playlist with the HTTP listings would be plugged into the Roku USB port and read from there. Other than that, the only network stream available within your home network would be via DLNA. 
Dan
Roku Stick (3600), Ultra (4640), Premiere (3920), Insignia 720p Roku TV, Sharp 4K Roku TV, Nvidia Shield, Windows 10 Pro x64 running Serviio and Plex on a wired Gigabit network.
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Chicken
Level 8

Re: USB fails to recognize USB storage device

"atc98092" wrote:
"Chicken" wrote:
"RokuDale" wrote:
For DLNA, RMP browses the DLNA database folder structure to locate media. It does not remember this after leaving the dlna server or exiting RMP. It needs to be read again.
For USB, RMP now caches much of the meta data, poster art, artist, genre, etc. This can exceed a couple megabytes. If your Roku has a micro-sd card inserted (usually 2G or more), it will use that, and can use many megabytes. Saving the data on micro-sd card also preserves it across a roku reboot.
For HTTP, which is only available using a playlist on a USB drive, No meta data is retrieved or saved, it uses a simple http folder browse protocol to browse the http server. Only the name of the file is captured and stored while RMP is still running.

Perhaps you can detail how HTTP is accomplished with Roku, where are the USB device located on the network and playlist stored?

Dale will correct me if I have something wrong, but to use HTTP streaming there has to be an HTTP server configured to supply the stream. That means it won't just play files that can be found on a share somewhere on your server. The playlist with the HTTP listings would be plugged into the Roku USB port and read from there. Other than that, the only network stream available within your home network would be via DLNA. 

Thanks for the explanation, and it's not my intention to take this thread off course so if I have then I apologize for lack of etiquette  FWIW, I may have made a mistake above, the 5MB file I'm able to play from FAT-32 storage across my network is an MPG file, not MP4 as I thought.  Probably unimportant, just to set the record straight.
Cheers.
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