{"action":"created","issue":{"url":"https://api.github.com/repos/gpac/gpac/issues/444","repository_url":"https://api.github.com/repos/gpac/gpac","labels_url":"https://api.github.com/repos/gpac/gpac/issues/444/labels{/name}","comments_url":"https://api.github.com/repos/gpac/gpac/issues/444/comments","events_url":"https://api.github.com/repos/gpac/gpac/issues/444/events","html_url":"https://github.com/gpac/gpac/issues/444","id":138824053,"number":444,"title":"MP4box Alternate Groups","user":{"login":"4getit","id":14306092,"avatar_url":"https://avatars.githubusercontent.com/u/14306092?v=3","gravatar_id":"","url":"https://api.github.com/users/4getit","html_url":"https://github.com/4getit","followers_url":"https://api.github.com/users/4getit/followers","following_url":"https://api.github.com/users/4getit/following{/other_user}","gists_url":"https://api.github.com/users/4getit/gists{/gist_id}","starred_url":"https://api.github.com/users/4getit/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/4getit/subscriptions","organizations_url":"https://api.github.com/users/4getit/orgs","repos_url":"https://api.github.com/users/4getit/repos","events_url":"https://api.github.com/users/4getit/events{/privacy}","received_events_url":"https://api.github.com/users/4getit/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":6,"created_at":"2016-03-06T19:07:07Z","updated_at":"2016-04-05T14:05:03Z","closed_at":null,"body":"Since iTunes is kinda picky, I'm trying to move audio tracks into the same group.\r\n\r\nThe -group-add options is giving me issues though.\r\n\r\nWhen I try to move audio track 3 to the same group as track 2, I assume I need to do something like: ../MP4Box -group-add -refTrack=2:trackID=3 video.m4v\r\nHowever, this gives: 'Error: Bad Parameter'.\r\n\r\nMP4Box -group-single video.m4v\r\n...exits without doing anything\r\n\r\nMP4Box -group-clean video.m4v\r\n...gives a 'Segmentation fault: 11'\r\n\r\nUsing 0.6.0-DEV-rev16-gf9a7e0b-master\r\n\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/gpac/gpac/issues/comments/205823449","html_url":"https://github.com/gpac/gpac/issues/444#issuecomment-205823449","issue_url":"https://api.github.com/repos/gpac/gpac/issues/444","id":205823449,"user":{"login":"nguyen-viet-thanh-trung","id":10617871,"avatar_url":"https://avatars.githubusercontent.com/u/10617871?v=3","gravatar_id":"","url":"https://api.github.com/users/nguyen-viet-thanh-trung","html_url":"https://github.com/nguyen-viet-thanh-trung","followers_url":"https://api.github.com/users/nguyen-viet-thanh-trung/followers","following_url":"https://api.github.com/users/nguyen-viet-thanh-trung/following{/other_user}","gists_url":"https://api.github.com/users/nguyen-viet-thanh-trung/gists{/gist_id}","starred_url":"https://api.github.com/users/nguyen-viet-thanh-trung/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nguyen-viet-thanh-trung/subscriptions","organizations_url":"https://api.github.com/users/nguyen-viet-thanh-trung/orgs","repos_url":"https://api.github.com/users/nguyen-viet-thanh-trung/repos","events_url":"https://api.github.com/users/nguyen-viet-thanh-trung/events{/privacy}","received_events_url":"https://api.github.com/users/nguyen-viet-thanh-trung/received_events","type":"User","site_admin":false},"created_at":"2016-04-05T14:05:03Z","updated_at":"2016-04-05T14:05:03Z","body":"It should be fixed now, could you please retry ? In fact, for the first time you should use: MP4Box testfile.m4v -group-add trackID=1:trackID=2, then for the second time you use: MP4Box testfile.m4v -group-add refTrack=1:trackID=2"}}