Carsten Haitzler (The Rasterman) ha scritto il 21/08/2016 alle 01:42:
On Sat, 20 Aug 2016 19:04:44 +0200 Massimo Maiurana <maiur...@gmail.com> said:
Carsten Haitzler (The Rasterman) ha scritto il 20/08/2016 alle 14:17:
On Sat, 20 Aug 2016 09:41:00 +0200 Massimo Maiurana <maiur...@gmail.com>
said:
There is an annoying issue that I found in rage from some months ago but
I've always forgot to report it here, sorry :(
There are cases where rage_thumb just go crazy, spawns several
processes, eats up the cpu and reamins active even if I close rage, so I
have to "killal -9 rage_thumb". Tipically it happens if I navigate the
movie clicking with the mouse in the progress bar, so in order to avoid
it I use to navigate via arrow keys.
well - it's generating thumbanils for the whole movie (every 10 seconds or
so it snapshots). it literally sits and loads the movie relying on the gst
generic evas loader to load a specific frame # from the video file. it
loads, scales down, and saves to a big eet archive with all the thumbs in
it for the video...
why is it spinning? some bakctrace, some trace/debug as to what it's
spinning on etc.... would be useful. :)
I would like to help but need also help on how to generate backtraces :)
gdb /usr/local/lib/rage/utils/rage_thumb `pidof rage_thumb`
...
bt
:)
also getting the file it is choking on would be nice. the file will be on the
cmdline passed to rage_thumb..
Ok, I did this: I opened a movie, clicked on some points in the progress
bar to go forward and the cpu went 100% (both cores). At this point I
had six instances of rage_thumb running. This is the command line:
rage /home/max/Video/Il.Volo.Del.Falco.2014.iTALiAN.BDRiP.XviD-HDi.avi
Then I closed rage but all rage_thumb processes still was alive and
kicking... too kicking :)
Htop reported small cpu usage for rage_thumb, every process was eating
just around 1/1.5% of it. Top made me see that there were many
evas_image_load processes that instead was eating much more cpu, 10% and
occasionally 20% each process. I generated a backtrace from one of the
rage_thumb processes, I don't know how it is useful but it is attached.
In the meantime all processes quitted, so it is just a matter of time
waiting they do their job, but the problem is that this jog is cpu and
time consuming :)
Should I run gdb on evas_image_load and generate a backtrace?
If it would segvs i would do it via a "bt" command in gdb, but it
doesn't crash and also rage_thumb keeps running in multiple processes
when I stop rage, so how should I trace its activities?
^^^^^ you can attach to an existing process any time. when you attach the
process will be paused. you can grab a bt then. you can let it continue
running with "c" (continue) cmd any time. you can pause it again with ctrl+c in
gdb an get another backtrace. switch stack frame with "fr N" where N matches
the backtrace number. list the code where you are at with "l". list a specific
line number in that file in context with "l 1234". print a variable you see
with "p varname" dereference a pointer (like c/c++ does all the time) with "p
*varname" or if its a struct geta member with "p varname->member". gdb will
even be able to tab complete these like a shell does with files. :)
learning gdb is a very powerful thing. you can find out so much useful info
about a process... :)
Thanks
Massimo
Carsten Haitzler (The Rasterman) ha scritto il 20/08/2016 alle 05:45:
So here is a new release of Rage.
It is a simple video and audio player intended to be slick yet simplistic,
much like Mplayer. You can provide 1 or more files to play on the
command-line or just DND files onto the rage window to insert them into
the playlist. You can get a visual representation of everything on the
playlist by hitting the / key, or just hovering your mouse over the right
side of the window. Mouse back over the left side of the window to
dismiss it or press the key again. It has a full complement of key
controls if you see the README for the full list. It will automatically
search for album art for music files, if not already cached, and display
that. It even generates thumbnails for the timeline of a video and allows
you to preview the position on mouseover of the position bar at the
bottom of the window.
If you run it without any files as arguments, it will go into "browser"
mode where it will index $HOME/Videos and basically become a simple media
center.
A feature list at this point:
* Play video and audio files
* Support a playlist via command-line
* Insert to playlist via DND
* Controls hide on mouse idle, and appear on mouse movement
* Fullscreen mode support with automatic "no blank" support
* Playlist visual previews and controls
* Subtitle file support
* Supports Gstreamer 0.10, Gstreamer 1.x, Xine and VLC as media engines
via Emotion modules
* Selection of media back-end via command-line
* Album art fetch and caching
* Video thumbnail timeline generation and caching
* Works with any Evas engine (OpenGL acceleration, pure software etc.)
* Works in X11, Wayland and Framebuffer direct support
* Accelerated seek on keyboard fowrard/reverse
* Drag gestures for seeking
* Special different UI modes for pure audio and video
* Media center browser/indexer mode
* Simeline thumbails of videos get generated and displayed when over
seek bar
If you want to see more go to the about page at
https://www.enlightenment.org/p.php?p=about/rage
http://download.enlightenment.org/rel/apps/rage/rage-0.2.0.tar.gz
http://git.enlightenment.org/apps/rage.git
--
Massimo Maiurana
Ragusa (RG)
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