In a weighted playlist, all songs have a weight that determines how often it will be played. For an example, let's have a playlist with 2 songs. Song A has a weight of 1 and song B has a weight of 3.

Also the video.index is always -1 for all items. This is not only rtmp, but happens when a video.src doesn't conform to the filename + suffix naming scheme. Just came across this with m3u8 files which ...