GNOME Bugzilla – Bug 585770
Support MT9 Functionality
Last modified: 2018-05-24 14:25:55 UTC
Please describe the problem: This is a wishlist bug report. Free file formats could mimic the functionality of MT9 if the media players handled multiplexed audio. Currently, they do not More specifically, support dynamically mixing several logical tracks from the input stream About MT9: http://www.guardian.co.uk/music/2008/may/27/news.seanmichaels First reported on Launchpad: https://bugs.launchpad.net/ubuntu/+source/totem/+bug/259044 For this to happen, music players must be able to play multiple tracks contained in an audiofile simultaneously, and have a separate volume bar for each one. For example, and ogg file could contain a song with a separate track for the audio, guitar, and drums. The media players needs to be able to play all of them at once, and adjust the volume for each track separately. Steps to reproduce: 1. play a file with multiple audio tracks 2. there's no way to play them all at once 3. and therefore no way to adjust the volume of each one separately Actual results: You can't listen to a file designed to function like MT9 Expected results: To be able to play multiple audio tracks contained in a file at once, and adjust the volume separately. For example, i could mute the guitar track if i wanted to practice playing my guitar to a ogg file formatted like MT9. Does this happen every time? Yes Other information:
This seems like a bit of a gimmick to me - I'm not sure where anyone is going to get enough of these files to need support for them in a generic music player. But anyway, here's what would need to be done: - support for simultaneous multitrack files in playbin2 (or 3?) - equivalent changes to the crossfading player backend - track information exposed through the player interface - some sort of UI for setting track volumes - probably save the volume settings for each song separately and restore them next time the song is played
See also bug 551659. It'd be nice to know if this is a thing that the maintainers want to have (and then set this bug to NEW) or not (WONTFIX).
If MT9 (or equivalent) files turn out to be generally interesting and useful, then we want to support them. If not, we don't. UNCONFIRMED pretty much sums it up for me.
Bug 551659 is for supporting actual MT9 files, this bug is for supporting MT9 functionality using free formats
As discussed on launchpad this is merely an interface problem https://bugs.launchpad.net/ubuntu/+source/gstreamer0.10/+bug/259044/comments/8
-- GitLab Migration Automatic Message -- This bug has been migrated to GNOME's GitLab instance and has been closed from further activity. You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.gnome.org/GNOME/rhythmbox/issues/762.