Re: Gallery /2x Galleries??
There are three free and one membership media plugins compatible with BP 1.2+, There are features you listed above which may be availble in some but not all and you can decide what you want to use.
1. BuddyPress Media Component – https://buddypress.org/community/groups/buddypress-kaltura-media-component/
2. BuddyPress Media nee Album+ a GSOC project – https://buddypress.org/community/groups/bp-album/
3. Post video players slideshow and photo galleries – https://buddypress.org/community/groups/post-rich-videos-and-photos-galleries/
4. Membership plugin – BP Gallery
