Since VLC is not just a player, it is also an encoder or a streaming tool. And it will be called by many third-party programs. So I think it should be necessary to provide 64-bit versions.
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VLC 64bit version
The vast majority of users only use it as a player and streamer. If you'd like to use it from a third party program, you can manually configure the 64-bit version from the publisher as our launcher may be incompatible with the command line it wants to pass anyway.
64-bit version of VLC does provide benefits to regular users. It might not be noticeble when playing a 700mb video file, but when launching a 7gb video file (e.g. a bluray movie) then you can spot a difference. Not to mention videos (e.g. gameplay) recorded in 4K@60fps with high bitrate which not only weight a lot but also require fast data processing.
Are there some technical issues behind implementing 64-bit version of VLC within PortableApps?
I just compared VLC 32-bit vs VLC 64-bit on my 6 year old i7-7700k with my 6 year old GTX 1060. For both, the CPU hovers around 0.5% or less and the GPU around 9.5% with a 7.3GB Blu-ray rip (H.265 / AAC).
There's no reason to double the install size for no increase in performance.
You might not notice any difference as long as you don't play a video recorded in high resolution (over 1080p) at 60 frames per second with high bitrate. Also, you would need to check statistics of lost video frames for such a video but it is not possible in Portable VLC due to a BUG which was reported here.
There was no difference. 4k blu-ray rip. The worst case scenario you outlined in your previous post. Same cpu and gpu utilization.