Shaka Player (https://github.com/google/shaka-player) discovered that calling abort() on Safari's SourceBuffer before appending a segment sometimes results in only part of the segment showing up in buffer.
In our test, we append the init segment, then call abort(), then append the first media segment. Only 6.9 seconds of the 10-second segment show up.
This is similar in many ways to this bug on Safari 9: https://bugs.webkit.org/show_bug.cgi?id=160316
However, the content from that bug does not trigger this one. It is unclear to me why this bug on Safari 10 is content-specific.
1. Visit http://storage.googleapis.com/shaka-demo-assets/_bugs/safari-10-mse-abort/index.html in Safari
3. Observe the error message showing that only part of the segment is in buffer.
Reproducible on macOS Sierra, Safari 10.0.1 (12602.2.14.0.7) and WebKit nightly r209234.
Any progress on this? This is particularly harming our ability to play TS content via MediaSource on Safari. I am very much looking forward to a Safari tech preview or WebKit nightly with a fix so that we can verify our HLS work on Safari.
Still reproducible on Safari 11.