[Webkit-unassigned] [Bug 190394] New: r236735 has some dead ASSERTs that need to be moved

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=190394

            Bug ID: 190394
           Summary: r236735 has some dead ASSERTs that need to be moved
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: calvaris at igalia.com
                CC: aboya at igalia.com, bugs-noreply at webkitgtk.org,
                    calvaris at igalia.com, commit-queue at webkit.org,
                    pnormand at igalia.com
        Depends on: 190143

+++ This bug was initially created as a clone of Bug #190143 +++

The MP4 file used in this URL does not contain a stss (Sync Sample
Box). In consequence, in acordance with the ISO BMFF spec, all samples
are assumed to be sync frames... But in this case that is not true,
it's just that the file is wrong (e.g. created with a buggy muxer).

http://orange-opensource.github.io/hasplayer.js/1.2.0/player.html?url=http://playready.directtaps.net/smoothstreaming/SSWSS720H264/SuperSpeedway_720.ism/Manifest

The way it works in other browsers is because instead of trusting the
MP4 stss table, they rely on parsing the h264 frames. We can do that
too, using h264parse.


Referenced Bugs:

https://bugs.webkit.org/show_bug.cgi?id=190143
[Bug 190143] [MSE][GStreamer] Add h264parse to accept MP4 without stss
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