<html>
<head>
<meta content="text/html; charset=windows-1252"
http-equiv="Content-Type">
</head>
<body bgcolor="#FFFFFF" text="#000000">
Any bugs you find with playing videos that can be resolved by
disabling media.mediasource.enabled is a Media Source Extensions
bug.<br>
<br>
You should file a bug in Core :: Video/Audio and mark it as blocking
bug
<meta http-equiv="content-type" content="text/html;
charset=windows-1252">
<a href="https://bugzilla.mozilla.org/show_bug.cgi?id=778617"><b>778617</b></a>.<br>
<br>
<a class="moz-txt-link-freetext" href="https://bugzilla.mozilla.org/enter_bug.cgi?product=Core&component=Video%2FAudio">https://bugzilla.mozilla.org/enter_bug.cgi?product=Core&component=Video%2FAudio</a><br>
<br>
<br>
<div class="moz-cite-prefix">On 2014-10-30 4:23 AM, Daniel Schumm
wrote:<br>
</div>
<blockquote
cite="mid:CAM1dtKJZeonp4OBn1=aCuU-WM74R=SFUAoHcXnV6xsQAVvmHFA@mail.gmail.com"
type="cite">
<pre wrap="">Sorry if I'm doing something wrong with this, I've not actually sent
anything to this list, but I wanted to add my two cents.
My system is Linux Mint 17 x64 with all updates The aforementioned
issue occurs for me as well, except for the fact that it is usually
the video that freezes while the audio plays fine. Sometimes both cut
out.
Basically, what happens, is the video will stop buffering and cut out
once it runs out of buffered time. The breakpoints seem to remain the
same per video, but vary from video to video.
I found that if I set media.mediasource.enabled to false, the videos
all play fine.
On Thu, Oct 30, 2014 at 1:19 AM, <a class="moz-txt-link-rfc2396E" href="mailto:nightly-testers-request@mozilla.org"><nightly-testers-request@mozilla.org></a> wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Send Nightly-testers mailing list submissions to
<a class="moz-txt-link-abbreviated" href="mailto:nightly-testers@mozilla.org">nightly-testers@mozilla.org</a>
To subscribe or unsubscribe via the World Wide Web, visit
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or, via email, send a message with subject or body 'help' to
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You can reach the person managing the list at
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When replying, please edit your Subject line so it is more specific
than "Re: Contents of Nightly-testers digest..."
Today's Topics:
1. HTML5 video not streaming properly, audio cutting out midway
through video (Vincent Zhao)
2. Re: HTML5 video not streaming properly, audio cutting out
midway through video (Basil Chupin)
3. Re: HTML5 video not streaming properly, audio cutting out
midway through video (Vincent Zhao)
4. Re: HTML5 video not streaming properly, audio cutting out
midway through video (Basil Chupin)
----------------------------------------------------------------------
Message: 1
Date: Thu, 30 Oct 2014 00:05:26 -0400
From: Vincent Zhao <a class="moz-txt-link-rfc2396E" href="mailto:gyroknight98@gmail.com"><gyroknight98@gmail.com></a>
To: <a class="moz-txt-link-abbreviated" href="mailto:Nightly-testers@mozilla.org">Nightly-testers@mozilla.org</a>
Subject: HTML5 video not streaming properly, audio cutting out midway
through video
Message-ID:
<a class="moz-txt-link-rfc2396E" href="mailto:CA+-X=bwQ-LnpsLiqv2KaRAf=OWG1GvY5mgM_j9Hf6crdqArS5w@mail.gmail.com"><CA+-X=bwQ-LnpsLiqv2KaRAf=OWG1GvY5mgM_j9Hf6crdqArS5w@mail.gmail.com></a>
Content-Type: text/plain; charset="utf-8"
I've been having issues with with the HTML5 player on YouTube on the past
few days' worth of Nightlies. I'm currently on the latest Nightly as of
10/29/2014, however, I've been having issues with YouTube where videos will
play fine for a few minutes before the audio cuts out at completely
sporadic moments on completely random videos. Where the audio cuts out is
usually consistent though as long as the video starts at the same place
every time. Strangely, the HTML5 player breaks around the same time, with
the video continuing to play without audio, and for some reason, if I pause
and unpause the video. I can't pause the video afterwards. The play button
is permanently stuck thinking the video is paused, meaning it shows the
play triangle instead of the pause bars it should while playing, and the
seeker at the bottom keeps going. Clicking on the player shows the
animation for pausing, but the neither the video nor the seeker pause.
Sometimes clicking on an earlier part of the video will restore audio,
other times, it will go to the proper segment of video, but still no audio,
and sometimes it will restore audio, but will constantly play back to the
spot the audio stopped as if you never rewinded in the first place. Other
videos, in particular longer videos (the one I had an issue with was 30
minutes long), downright don't stream properly with the video always
buffering, perhaps playing for a couple of seconds before buffering again
forever, but only if I'm signed into YouTube and the video attempts to
resume from where it last left off. If I sign out and the video just plays
from the beginning, it works fine. It's not a network issue as not only do
I not encounter the buffering issue on stable Firefox and other browsers,
but the HTML5 player shows that the video is fully buffered on the seeker.
Sorry for the extremely long message, but I wanted to be as specific as
possible on what issues I've encountered. I've tried clearing the cache,
deleting YouTube's cookies, using a different profile, creating a clean
profile, resetting Nightly, enabling/disabling e10s, and Safe Mode. All
plugins and addons are fully updated or disabled. I've only tested this on
Windows 7 x64.
<a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=BN-oCcDPW3E&list=PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le&index=19">https://www.youtube.com/watch?v=BN-oCcDPW3E&list=PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le&index=19</a>
- audio cuts out ~1:52
<a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=xweRl4LZlmo&index=18&list=PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le">https://www.youtube.com/watch?v=xweRl4LZlmo&index=18&list=PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le</a>
- audio cuts out ~4:12
<a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=Y3R8tkvlAlk&index=11&list=PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le">https://www.youtube.com/watch?v=Y3R8tkvlAlk&index=11&list=PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le</a>
- refuses to buffer when trying to resume from last place
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------------------------------
Message: 2
Date: Thu, 30 Oct 2014 16:37:40 +1100
From: Basil Chupin <a class="moz-txt-link-rfc2396E" href="mailto:blchupin@iinet.net.au"><blchupin@iinet.net.au></a>
To: <a class="moz-txt-link-abbreviated" href="mailto:nightly-testers@mozilla.org">nightly-testers@mozilla.org</a>
Subject: Re: HTML5 video not streaming properly, audio cutting out
midway through video
Message-ID: <a class="moz-txt-link-rfc2396E" href="mailto:5451CEA4.90805@iinet.net.au"><5451CEA4.90805@iinet.net.au></a>
Content-Type: text/plain; charset=utf-8; format=flowed
On 30/10/14 15:05, Vincent Zhao wrote:
</pre>
<blockquote type="cite">
<pre wrap="">I've been having issues with with the HTML5 player on YouTube on the
past few days' worth of Nightlies. I'm currently on the latest Nightly
as of 10/29/2014, however, I've been having issues with YouTube where
videos will play fine for a few minutes before the audio cuts out at
completely sporadic moments on completely random videos. Where the
audio cuts out is usually consistent though as long as the video
starts at the same place every time. Strangely, the HTML5 player
breaks around the same time, with the video continuing to play without
audio, and for some reason, if I pause and unpause the video. I can't
pause the video afterwards. The play button is permanently stuck
thinking the video is paused, meaning it shows the play triangle
instead of the pause bars it should while playing, and the seeker at
the bottom keeps going. Clicking on the player shows the animation for
pausing, but the neither the video nor the seeker pause. Sometimes
clicking on an earlier part of the video will restore audio, other
times, it will go to the proper segment of video, but still no audio,
and sometimes it will restore audio, but will constantly play back to
the spot the audio stopped as if you never rewinded in the first
place. Other videos, in particular longer videos (the one I had an
issue with was 30 minutes long), downright don't stream properly with
the video always buffering, perhaps playing for a couple of seconds
before buffering again forever, but only if I'm signed into YouTube
and the video attempts to resume from where it last left off. If I
sign out and the video just plays from the beginning, it works fine.
It's not a network issue as not only do I not encounter the buffering
issue on stable Firefox and other browsers, but the HTML5 player shows
that the video is fully buffered on the seeker.
Sorry for the extremely long message, but I wanted to be as specific
as possible on what issues I've encountered. I've tried clearing the
cache, deleting YouTube's cookies, using a different profile, creating
a clean profile, resetting Nightly, enabling/disabling e10s, and Safe
Mode. All plugins and addons are fully updated or disabled. I've only
tested this on Windows 7 x64.
<a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=BN-oCcDPW3E&list=PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le&index=19">https://www.youtube.com/watch?v=BN-oCcDPW3E&list=PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le&index=19</a>
- audio cuts out ~1:52
<a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=xweRl4LZlmo&index=18&list=PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le">https://www.youtube.com/watch?v=xweRl4LZlmo&index=18&list=PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le</a>
- audio cuts out ~4:12
<a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=Y3R8tkvlAlk&index=11&list=PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le">https://www.youtube.com/watch?v=Y3R8tkvlAlk&index=11&list=PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le</a>
- refuses to buffer when trying to resume from last place
</pre>
</blockquote>
<pre wrap="">
Which system? You're Header to post doesn't show the Mail Client you are
using.
The above play fine, no hassles - but I am using a Linux distro
(openSUSE). I am also using VLC as my video/sound player and using a
Creative sound card.
However, there is one thing which I *hate* - most vehemently :-) (Tm) -
and it's not a joke: one needs to exit YouTube after viewing a file in
order to view another file, which is damn annoying. If one views a file
and then tries to follow it up with another, the second file comes up
with "An error has occurred......" and the second file will not play.
Exiting YouTube, coming back and selecting the second file will then
make the second file play without a problem.
BC
--
Privatise profits, nationalise losses.
------------------------------
Message: 3
Date: Thu, 30 Oct 2014 01:43:58 -0400
From: Vincent Zhao <a class="moz-txt-link-rfc2396E" href="mailto:gyroknight98@gmail.com"><gyroknight98@gmail.com></a>
To: <a class="moz-txt-link-abbreviated" href="mailto:Nightly-testers@mozilla.org">Nightly-testers@mozilla.org</a>
Subject: Re: HTML5 video not streaming properly, audio cutting out
midway through video
Message-ID:
<a class="moz-txt-link-rfc2396E" href="mailto:CA+-X=bxN2D=wooovFdWg6rSui2NrqAem1kw_fE_71=Lj7=mMiA@mail.gmail.com"><CA+-X=bxN2D=wooovFdWg6rSui2NrqAem1kw_fE_71=Lj7=mMiA@mail.gmail.com></a>
Content-Type: text/plain; charset="utf-8"
I mentioned my system at the end: "I've only tested this on Windows 7 x64",
if that's what you meant. As for my mail client, I'm not sure why that's
relevant, but I'm currently just using the web interface of Gmail in
Nightly. If you mean system specs, I'm running it off the onboard Realtek
ALC 888b chipset of my GA-Z68XP-UD3. I'm not sure how you're using VLC to
play YouTube videos as I thought VLC was only for standalone media files.
On Thu, Oct 30, 2014 at 1:37 AM, Basil Chupin <a class="moz-txt-link-rfc2396E" href="mailto:blchupin@iinet.net.au"><blchupin@iinet.net.au></a> wrote:
</pre>
<blockquote type="cite">
<pre wrap="">On 30/10/14 15:05, Vincent Zhao wrote:
</pre>
<blockquote type="cite">
<pre wrap="">I've been having issues with with the HTML5 player on YouTube on the past
few days' worth of Nightlies. I'm currently on the latest Nightly as of
10/29/2014, however, I've been having issues with YouTube where videos will
play fine for a few minutes before the audio cuts out at completely
sporadic moments on completely random videos. Where the audio cuts out is
usually consistent though as long as the video starts at the same place
every time. Strangely, the HTML5 player breaks around the same time, with
the video continuing to play without audio, and for some reason, if I pause
and unpause the video. I can't pause the video afterwards. The play button
is permanently stuck thinking the video is paused, meaning it shows the
play triangle instead of the pause bars it should while playing, and the
seeker at the bottom keeps going. Clicking on the player shows the
animation for pausing, but the neither the video nor the seeker pause.
Sometimes clicking on an earlier part of the video will restore audio,
other times, it will go to the proper segment of video, but still no audio,
and sometimes it will restore audio, but will constantly play back to the
spot the audio stopped as if you never rewinded in the first place. Other
videos, in particular longer videos (the one I had an issue with was 30
minutes long), downright don't stream properly with the video always
buffering, perhaps playing for a couple of seconds before buffering again
forever, but only if I'm signed into YouTube and the video attempts to
resume from where it last left off. If I sign out and the video just plays
from the beginning, it works fine. It's not a network issue as not only do
I not encounter the buffering issue on stable Firefox and other browsers,
but the HTML5 player shows that the video is fully buffered on the seeker.
Sorry for the extremely long message, but I wanted to be as specific as
possible on what issues I've encountered. I've tried clearing the cache,
deleting YouTube's cookies, using a different profile, creating a clean
profile, resetting Nightly, enabling/disabling e10s, and Safe Mode. All
plugins and addons are fully updated or disabled. I've only tested this on
Windows 7 x64.
<a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=BN-oCcDPW3E&list=">https://www.youtube.com/watch?v=BN-oCcDPW3E&list=</a>
PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le&index=19 - audio cuts out ~1:52
<a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=xweRl4LZlmo&index=18&list=">https://www.youtube.com/watch?v=xweRl4LZlmo&index=18&list=</a>
PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le - audio cuts out ~4:12
<a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=Y3R8tkvlAlk&index=11&list=">https://www.youtube.com/watch?v=Y3R8tkvlAlk&index=11&list=</a>
PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le - refuses to buffer when trying to
resume from last place
</pre>
</blockquote>
<pre wrap="">
Which system? You're Header to post doesn't show the Mail Client you are
using.
The above play fine, no hassles - but I am using a Linux distro
(openSUSE). I am also using VLC as my video/sound player and using a
Creative sound card.
However, there is one thing which I *hate* - most vehemently :-) (Tm) -
and it's not a joke: one needs to exit YouTube after viewing a file in
order to view another file, which is damn annoying. If one views a file and
then tries to follow it up with another, the second file comes up with "An
error has occurred......" and the second file will not play. Exiting
YouTube, coming back and selecting the second file will then make the
second file play without a problem.
BC
--
Privatise profits, nationalise losses.
_______________________________________________
Nightly-testers mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Nightly-testers@mozilla.org">Nightly-testers@mozilla.org</a>
<a class="moz-txt-link-freetext" href="https://mail.mozilla.org/listinfo/nightly-testers">https://mail.mozilla.org/listinfo/nightly-testers</a>
</pre>
</blockquote>
<pre wrap="">-------------- next part --------------
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------------------------------
Message: 4
Date: Thu, 30 Oct 2014 17:18:55 +1100
From: Basil Chupin <a class="moz-txt-link-rfc2396E" href="mailto:blchupin@iinet.net.au"><blchupin@iinet.net.au></a>
To: <a class="moz-txt-link-abbreviated" href="mailto:nightly-testers@mozilla.org">nightly-testers@mozilla.org</a>
Subject: Re: HTML5 video not streaming properly, audio cutting out
midway through video
Message-ID: <a class="moz-txt-link-rfc2396E" href="mailto:5451D84F.7050708@iinet.net.au"><5451D84F.7050708@iinet.net.au></a>
Content-Type: text/plain; charset=utf-8; format=flowed
On 30/10/14 16:43, Vincent Zhao wrote:
</pre>
<blockquote type="cite">
<pre wrap="">I mentioned my system at the end: "I've only tested this on Windows 7
x64", if that's what you meant. As for my mail client, I'm not sure
why that's relevant, but I'm currently just using the web interface of
Gmail in Nightly. If you mean system specs, I'm running it off the
onboard Realtek ALC 888b chipset of my GA-Z68XP-UD3. I'm not sure how
you're using VLC to play YouTube videos as I thought VLC was only for
standalone media files.
On Thu, Oct 30, 2014 at 1:37 AM, Basil Chupin <<a class="moz-txt-link-abbreviated" href="mailto:blchupin@iinet.net.au">blchupin@iinet.net.au</a>
<a class="moz-txt-link-rfc2396E" href="mailto:blchupin@iinet.net.au"><mailto:blchupin@iinet.net.au></a>> wrote:
On 30/10/14 15:05, Vincent Zhao wrote:
I've been having issues with with the HTML5 player on YouTube
on the past few days' worth of Nightlies. I'm currently on the
latest Nightly as of 10/29/2014, however, I've been having
issues with YouTube where videos will play fine for a few
minutes before the audio cuts out at completely sporadic
moments on completely random videos. Where the audio cuts out
is usually consistent though as long as the video starts at
the same place every time. Strangely, the HTML5 player breaks
around the same time, with the video continuing to play
without audio, and for some reason, if I pause and unpause the
video. I can't pause the video afterwards. The play button is
permanently stuck thinking the video is paused, meaning it
shows the play triangle instead of the pause bars it should
while playing, and the seeker at the bottom keeps going.
Clicking on the player shows the animation for pausing, but
the neither the video nor the seeker pause. Sometimes clicking
on an earlier part of the video will restore audio, other
times, it will go to the proper segment of video, but still no
audio, and sometimes it will restore audio, but will
constantly play back to the spot the audio stopped as if you
never rewinded in the first place. Other videos, in particular
longer videos (the one I had an issue with was 30 minutes
long), downright don't stream properly with the video always
buffering, perhaps playing for a couple of seconds before
buffering again forever, but only if I'm signed into YouTube
and the video attempts to resume from where it last left off.
If I sign out and the video just plays from the beginning, it
works fine. It's not a network issue as not only do I not
encounter the buffering issue on stable Firefox and other
browsers, but the HTML5 player shows that the video is fully
buffered on the seeker.
Sorry for the extremely long message, but I wanted to be as
specific as possible on what issues I've encountered. I've
tried clearing the cache, deleting YouTube's cookies, using a
different profile, creating a clean profile, resetting
Nightly, enabling/disabling e10s, and Safe Mode. All plugins
and addons are fully updated or disabled. I've only tested
this on Windows 7 x64.
<a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=BN-oCcDPW3E&list=PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le&index=19">https://www.youtube.com/watch?v=BN-oCcDPW3E&list=PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le&index=19</a>
- audio cuts out ~1:52
<a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=xweRl4LZlmo&index=18&list=PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le">https://www.youtube.com/watch?v=xweRl4LZlmo&index=18&list=PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le</a>
- audio cuts out ~4:12
<a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=Y3R8tkvlAlk&index=11&list=PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le">https://www.youtube.com/watch?v=Y3R8tkvlAlk&index=11&list=PLknALywhzhhgwmo095D2ZH2LS_5Lfw1le</a>
- refuses to buffer when trying to resume from last place
Which system? You're Header to post doesn't show the Mail Client
you are using.
The above play fine, no hassles - but I am using a Linux distro
(openSUSE). I am also using VLC as my video/sound player and using
a Creative sound card.
However, there is one thing which I *hate* - most vehemently :-)
(Tm) - and it's not a joke: one needs to exit YouTube after
viewing a file in order to view another file, which is damn
annoying. If one views a file and then tries to follow it up with
another, the second file comes up with "An error has
occurred......" and the second file will not play. Exiting
YouTube, coming back and selecting the second file will then make
the second file play without a problem.
</pre>
</blockquote>
<pre wrap="">
I mentioned my system at the end: "I've only tested this on Windows 7
x64", if that's what you meant. As for my mail client, I'm not sure why
that's relevant, but I'm currently just using the web interface of Gmail
in Nightly. If you mean system specs, I'm running it off the onboard
Realtek ALC 888b chipset of my GA-Z68XP-UD3. I'm not sure how you're
using VLC to play YouTube videos as I thought VLC was only for
standalone media files.
Ooops, sorry, I didn't read the very last sentence in the last
paragraph :-( . Mention of the client is because one can get the idea of
the system a person is using and follows on from my previous sentence
(in my first response).
I mentioned the video card I am using because whether it is an onboard
card or an external one each requires a driver and many problems may be
caused by not having up-to-date drivers for the video card or chip.
Re VLC: shouldn't have mentioned it in this context. I use it to view
all videos downloaded from YouTube but Firefox, of course, uses the
OpenH264 Video Codec to display YouTube videos.
BC
--
Privatise profits, nationalise losses.
------------------------------
Subject: Digest Footer
_______________________________________________
Nightly-testers mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Nightly-testers@mozilla.org">Nightly-testers@mozilla.org</a>
<a class="moz-txt-link-freetext" href="https://mail.mozilla.org/listinfo/nightly-testers">https://mail.mozilla.org/listinfo/nightly-testers</a>
------------------------------
End of Nightly-testers Digest, Vol 51, Issue 35
***********************************************
</pre>
</blockquote>
<pre wrap="">_______________________________________________
Nightly-testers mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Nightly-testers@mozilla.org">Nightly-testers@mozilla.org</a>
<a class="moz-txt-link-freetext" href="https://mail.mozilla.org/listinfo/nightly-testers">https://mail.mozilla.org/listinfo/nightly-testers</a>
</pre>
</blockquote>
<br>
<pre class="moz-signature" cols="72">--
Anthony Hughes
Senior Quality Engineer
Mozilla Corporation</pre>
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