I encounter probably the same bug in 18.04 and in 18.10.
I've opened a separate bug report because it might not be the exact issue:
https://bugs.launchpad.net/ubuntu/+source/gstreamer1.0/+bug/1818382
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** Changed in: gstreamer
Status: Confirmed => Expired
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Title:
Totem pauses and stutters during video playback
After gnome-twitch flatpak update (and some other "core" flatpak packages
update) now I have same lags in gnome-twitch.
The bug comes from gnome. Just like most of bugs in Ubuntu and other distros.
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: clutter-1.0 (Ubuntu)
Status: New => Confirmed
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** Changed in: clutter-1.0 (Ubuntu)
Status: Won't Fix => New
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Title:
Totem pauses and stutters during video
** Changed in: totem-pl-parser
Status: Confirmed => Expired
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Title:
Totem pauses and stutters during video playback
** Changed in: clutter-gst-3.0 (Ubuntu)
Status: In Progress => Incomplete
** Changed in: gstreamer-vaapi (Ubuntu)
Status: In Progress => Incomplete
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** Changed in: gstreamer-vaapi (Ubuntu)
Status: Confirmed => In Progress
** Also affects: clutter-gst-3.0 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: clutter-gst-3.0 (Ubuntu)
Status: New => In Progress
** Changed in: clutter-gst-3.0 (Ubuntu)
Assignee:
** Changed in: gstreamer-vaapi (Ubuntu)
Status: In Progress => Confirmed
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Title:
Totem pauses and stutters during
** Changed in: gstreamer
Status: Unknown => Confirmed
** Changed in: gstreamer
Importance: Unknown => Medium
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Maybe this is a better upstream bug:
https://bugzilla.gnome.org/show_bug.cgi?id=795325
** Bug watch added: GNOME Bug Tracker #795325
https://bugzilla.gnome.org/show_bug.cgi?id=795325
** Changed in: gstreamer
Importance: Medium => Unknown
** Changed in: gstreamer
Status: Confirmed
** Changed in: gstreamer-vaapi (Ubuntu)
Status: New => In Progress
** Changed in: gstreamer-vaapi (Ubuntu)
Importance: Undecided => Medium
** Changed in: gstreamer-vaapi (Ubuntu)
Assignee: (unassigned) => Daniel van Vugt (vanvugt)
** No longer affects: totem (Ubuntu)
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** Changed in: gstreamer
Status: Unknown => Confirmed
** Changed in: gstreamer
Importance: Unknown => Medium
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Progress! I think...
https://bugzilla.gnome.org/show_bug.cgi?id=795195
** Also affects: gstreamer-vaapi (Ubuntu)
Importance: Undecided
Status: New
** Bug watch added: GNOME Bug Tracker #795195
https://bugzilla.gnome.org/show_bug.cgi?id=795195
** Also affects: gstreamer via
I am also having stutter videos in Totem in Bionic. I am using old
hardware from 2011. I am ready to give more debugging info when needed.
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I'm really not sure what changed to make 4K video so stuttery now in
totem. The CPU is fairly low and goes through the roof only if I
uninstall VAAPI. So VAAPI is working, and it works smoothly in mpv too.
Since I could last play 4K smoothly in totem there has been:
* A mesa update 17.2 -> 18.0
** Also affects: totem (Ubuntu)
Importance: Undecided
Status: New
** Changed in: totem (Ubuntu)
Status: New => Confirmed
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This issue is still not fixed for Xorg. Not sure what package to target
though...
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Title:
Totem pauses and stutters
This bug was fixed in the package gtk+3.0 - 3.22.28-1ubuntu1
---
gtk+3.0 (3.22.28-1ubuntu1) bionic; urgency=medium
* Merge with Debian. Remaining changes:
+ Install a settings.ini file to set our themes
+ Enable Mir backend
+ Update debian/libgtk-3-0.symbols
+
I suspect there's another issue specific to Xorg that's causing stutter
there, and not yet resolved. Although you won't see it till bug 1747744
is fixed :)
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** Changed in: gtk
Status: Confirmed => Fix Released
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Title:
Totem pauses and stutters during video playback even
This bug was fixed in the package totem-pl-parser - 3.26.0-1ubuntu2
---
totem-pl-parser (3.26.0-1ubuntu2) bionic; urgency=medium
* totem-pl-parser-xspf.c: Avoid large stutters in video playback due to
heavy (and unnecessary) disk syncing (LP: #1698270)
-- Daniel van Vugt
The attachment "totem-pl-parser_3.26.0-1ubuntu2.debdiff" seems to be a
debdiff. The ubuntu-sponsors team has been subscribed to the bug report
so that they can review and hopefully sponsor the debdiff. If the
attachment isn't a patch, please remove the "patch" flag from the
attachment, remove
A fix for bionic.
** Patch added: "totem-pl-parser_3.26.0-1ubuntu2.debdiff"
https://bugs.launchpad.net/ubuntu/+source/totem/+bug/1698270/+attachment/5001059/+files/totem-pl-parser_3.26.0-1ubuntu2.debdiff
** Also affects: totem-pl-parser (Ubuntu)
Importance: Undecided
Status: New
** Changed in: totem
Status: Unknown => Confirmed
** Changed in: totem
Importance: Unknown => Medium
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Title:
** No longer affects: totem
** Bug watch added: GNOME Bug Tracker #733780
https://bugzilla.gnome.org/show_bug.cgi?id=733780
** Also affects: totem via
https://bugzilla.gnome.org/show_bug.cgi?id=733780
Importance: Unknown
Status: Unknown
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** Changed in: totem
Status: Confirmed => Invalid
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Title:
Totem pauses and stutters during video playback even when
** Changed in: totem
Status: Unknown => Confirmed
** Changed in: totem
Importance: Unknown => Medium
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Title:
Here tis: https://bugzilla.gnome.org/show_bug.cgi?id=788926
** Bug watch added: GNOME Bug Tracker #788926
https://bugzilla.gnome.org/show_bug.cgi?id=788926
** Changed in: totem
Importance: High => Unknown
** Changed in: totem
Status: Incomplete => Unknown
** Changed in: totem
Some simple system monitoring:
cat /proc/`pidof totem`/io
reveals totem's biggest skip coincides with a disk _write_ of some sort.
That should be easy to track down but I'm just about out of time this
week.
** Changed in: totem (Ubuntu)
Status: Confirmed => In Progress
** Changed in:
** Changed in: clutter-1.0 (Ubuntu)
Status: In Progress => Won't Fix
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Title:
Totem pauses and stutters during video
** Changed in: clutter-1.0 (Ubuntu)
Status: Won't Fix => In Progress
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Title:
Totem pauses and stutters during video
** Changed in: totem (Ubuntu)
Status: In Progress => New
** Changed in: totem (Ubuntu)
Assignee: Daniel van Vugt (vanvugt) => (unassigned)
** Changed in: totem (Ubuntu)
Status: New => Confirmed
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** No longer affects: gstreamer (Ubuntu)
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Title:
Totem pauses and stutters during video playback even when CPU usage is
The part relevant to clutter-gtk is now released with bug 1698282.
Although that doesn't contribute much to the visible stuttering for me,
it could in theory for some systems.
** Changed in: clutter-gtk (Ubuntu)
Status: In Progress => Fix Released
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Now looking into issue 3 from comment #11 again.
Every time the big stutter occurs it coincides with my PC's harddisk
LED. Also, the same place in the video seems to be the first time the
stream bitrate peaks over 10Mbps. So there seems to be some kind of
cause and effect at this particularly
** Changed in: gstreamer (Ubuntu)
Status: New => In Progress
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Title:
Totem pauses and stutters during video playback
** Changed in: gstreamer (Ubuntu)
Status: In Progress => New
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Title:
Totem pauses and stutters during video playback
** Changed in: gstreamer (Ubuntu)
Assignee: (unassigned) => Daniel van Vugt (vanvugt)
** Changed in: gstreamer (Ubuntu)
Status: Triaged => In Progress
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** Branch linked: lp:~vanvugt/gtk/fix-1698270
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Title:
Totem pauses and stutters during video playback even when CPU usage is
** Changed in: gtk
Status: Unknown => Confirmed
** Changed in: gtk
Importance: Unknown => Medium
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Title:
Totem
** Changed in: clutter-gtk (Ubuntu)
Assignee: (unassigned) => Daniel van Vugt (vanvugt)
** Changed in: clutter-gtk (Ubuntu)
Importance: Undecided => Medium
** Changed in: clutter-gtk (Ubuntu)
Status: New => In Progress
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** Bug watch added: GNOME Bug Tracker #787665
https://bugzilla.gnome.org/show_bug.cgi?id=787665
** Also affects: gtk via
https://bugzilla.gnome.org/show_bug.cgi?id=787665
Importance: Unknown
Status: Unknown
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Sorry, in comment #12 I mean "clutter" (in its gdk subdir), not
"clutter-gtk".
** Changed in: clutter-1.0 (Ubuntu)
Status: New => Won't Fix
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Smoothness issue 4 above I have tracked down to this clutter-gtk code:
-
static void
clutter_master_clock_gdk_update (GdkFrameClock *frame_clock,
ClutterMasterClockGdk *master_clock)
{
GList *stages, *l;
** Also affects: gtk+3.0 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: gtk+3.0 (Ubuntu)
Status: New => In Progress
** Changed in: gtk+3.0 (Ubuntu)
Importance: Undecided => Medium
** Changed in: gtk+3.0 (Ubuntu)
Assignee: (unassigned) => Daniel van Vugt
OK, I have now encountered a few reasons for totem stuttering...
1. Excessive/faulty tags parsing (only seen in Big Buck Bunny videos?).
Upstream has fixed the root cause:
https://bugzilla.gnome.org/show_bug.cgi?id=786561
but we have also patched totem itself in Ubuntu to avoid the issue:
I don't see why not. Let's just wait until upstream has accepted the fix
and I'll be more confident about applying the same to xenial.
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Does the fix apply in Xenial?
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Title:
Totem pauses and stutters during video playback even when CPU usage is
low
Status
This bug was fixed in the package totem - 3.25.90.1-0ubuntu2
---
totem (3.25.90.1-0ubuntu2) artful; urgency=medium
* debian/patches/fix-bvw_update_tags-performance.patch:
- bacon-video-widget.c: Reduce CPU usage and visible stuttering
(LP: #1698282 and LP: #1698270).
--
** Changed in: totem (Ubuntu)
Assignee: (unassigned) => Daniel van Vugt (vanvugt)
** Changed in: totem (Ubuntu)
Status: Confirmed => In Progress
** Changed in: clutter-1.0 (Ubuntu)
Assignee: (unassigned) => Daniel van Vugt (vanvugt)
** Changed in: totem (Ubuntu)
Importance:
** Also affects: clutter-1.0 (Ubuntu)
Importance: Undecided
Status: New
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Title:
Totem pauses and stutters during video
First experimental fix:
https://git.launchpad.net/~vanvugt/ubuntu/+source/totem/commit/?id=02076c41f892e214d946457f944c6da3011307f1
Although I suspect we are linked to the wrong upstream bug so I won't
mention it there.
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I have this bug also in 3.18.1-1ubuntu4 in Xenial.
** Tags added: xenial
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Title:
Totem pauses and stutters during video playback
** Description changed:
Totem pauses and stutters during video playback even when CPU usage is
low.
After figuring out how to play videos with full hardware accelerated
decoding (e.g. <= 10% CPU), I was surprised to find Totem still pauses
- and stutters during playback. Other apps
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: totem (Ubuntu)
Status: New => Confirmed
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This happens in full-screen mode for a window with client-side
decorations using OpenGL. Another workaround is to use GNOME MPV without
CSD or without OpenGL:
https://bugzilla.gnome.org/show_bug.cgi?id=778766#c2
Re comment #2: With GNOME MPV, it doesn't happen on KDE Plasma for me
even if both
** Changed in: totem
Status: Unknown => Incomplete
** Changed in: totem
Importance: Unknown => High
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Title:
Totem
Workaround: Use 'gst-play-1.0' instead of 'totem'. It avoids the
rendering glitches and has much lower CPU usage.
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Title:
Totem
The issue seems to persist regardless of which shell / desktop
environment I use.
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Title:
Totem pauses and stutters during video
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