I don't remember the exact details now, but I think that Oracle Java 7 used a proprietary library which is much faster, but that they switched to a much slower open source library in Java 8. There is a known problem that certain versions of Java is extremely slow with image manipulation. It will depend on many things, the speed of your computer is of course essential. The biggest problem is probably the time it takes to convert them. ![]() The advantage of doing it the way UMS does is that it will work on more renderers, while what Serviio does won't work on renderers that follows the spec closely. In that case, the size would also have been available.Īll the other entries are converted to comply with the image profiles specified by DLNA. The first "stream" listed in the above picture is using this "special profile" and doesn't require reencoding of the image. The maximum allowed resolution is 4096 x 4096 according to DLNA, except if you use a "special profile" which doesn't seem to be implemented in most renderers. What Serviio does doesn't comply with DLNA. If you will not be able to reproduce it, I will try to get some logs what is question for weeks as I am at parents home very rarely.Īlthough I'm no longer a developer, I'll try to answer this as I made the code that does this. Problem affects more renderers as I tried LG TV, Panasonic TV, Samsung TV, Windows PC, Android mobile - with UMS it was totally unusable. UMS streams this photo in lowered resolution 4096x3072 with size 0 (not sure if this info is not sent for all or transcoded files only). Serviio streams this photo in original resolution 4160x3120 with size of 2.1MB. In attachment you can see what is sent to the android client (BubbleUPnP): ![]() Picture was loaded in less than one second and picture size was shown on TV. Tried to install Serviio for benchmarking and found two PROs. ![]() I tried to play it on different brands of TV, on Android mobile, same behavior. Size was about 300KB to 3MB with no visible speed change in loading (what shows picture conversion was used.sorry no logs). Clicking on each picture takes about 9 seconds. Tried to present parents' holiday pictures on DLNA TV via UMS v7.5.0 but it was totally unusable.īrowsing them seems ok but playing them is very very slow.
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