(note video URL is google-internal-only; do not download+attach it to this bug!)

Might be because clip reports duration of 0 which causes an immediate end.

I am unable to navigate to repro url on Firefox. On Chrome, it is played but the length is 0 seconds so it finish immediately.
fischman@, can you confirm the repro url is still valid?

It's a corp url so probably can't access it in Firefox w/o corp proxy. There's either a bug here in our duration parsing or a race in ended event. Over to chris for a closer look.

Internal bug for incorrect duration: b/31570791

Sample video for when original link expires is at go/mvndb (google.com only).
(note that Drive transcoding hides the problem; in order to repro it you need to download the file and then try playing e.g. through a file:// URL)

https://codereview.chromium.org/2440563004 fixes this, but the experience sucks if the controls are visible: duration increases and current time thumb drops back appropriately. Definitely would be preferable to have the seek indices and accurate duration for usability.

FWIW, Firefox has the same behaviour with regards to the duration increasing (which is expected I guess :)).

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/560640b659f688387d4c239e00f2dc941607e9f0

commit 560640b659f688387d4c239e00f2dc941607e9f0
Author: dalecurtis <dalecurtis@chromium.org>
Date: Sat Jan 28 02:50:05 2017

Update duration when demuxed packets exceed known duration.

This applies a similar algorithm to what MSE does, if we see a packet
greater than the current duration or the duration is unknown, notify
Blink of the updated duration.

This prevents us from ending playback earlier on clips which report
incorrect durations; specifically those which report 0.1s or similar.

The UX experience is not great when this occurs, but is similar to what
happens in other browsers. The timeline will increasingly fall behind
as more content is demuxed and seeking is hard to accomplish.

BUG= 645998 , 656599
TEST=updated test expectations.

Review-Url: https://codereview.chromium.org/2645953004
Cr-Commit-Position: refs/heads/master@{#446889}

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Should be fixed in most recent canaries. Sorry for the delay!

Tested the issue on windows 7, Mac 10.12.2, Linux Ubuntu 14.04 using chrome beta version#58.0.3000.0 with the steps mentioned in comment #0.
(URL-http://go/rtvft) video played successfully with valid corp credentials.Hence adding TE-Verified label for M-58.

Thanks!!