Ubuntu Multimedia :: Mplayer Screenshot Png Compression
Sep 13, 2010
I use mplayer to play my media files. Occasionally I want to take screenshots of media I am playing. I use the -vf screenshot option to take screenshots which generates shotxxxx.png. The issue is that all those png are not compressed and usually large. When dealing with Hi-Def media they are extremely large, each is 4-5 MB in size at the least. Is there a way I can set the option for compression of png images. If I use imagemagick the same files get compressed to like 1.5MB of png file.
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Jul 14, 2011
I'm running Ubuntu 10.04, and installed mplayer, when I tried to SSH and capture a screenshot from a m2ts file, I always get an error: number of reference frames exceeds max (probably corrupt input)But i'm sure the file isn't corrupt. However, I did captured a picture, but the picture is corrupt.Here is the log:
Code:
root@ahdee: ~root@ahdee:~# mplayer -ss 71550 -noframedrop -nosound -vo jpeg -frames 1 '/home/ahdee/downloads/TEST/BDMV/STREAM/00238.m2ts'
[code].....
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May 8, 2010
some reason it seems like the lowest it goes is ~64kbps (~ implying variable bitrate).So yeah, any thing that'll let me do the compression limbo better? (How low can you go? ) A different program? Unlock bonus stage? What
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Jan 29, 2011
I want to rip all my CDs to flac at the lowest compression (space is not an issue) via Banshee. I have tried a few tracks but the seem to be ripped at a higher compression to the ones I have done via sound juicer (set at compression 0)
How do I adjust the flac settings in Banshee to do this? The option to edit the settings is not available for flac? I guess there is a config file somewhere?
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Aug 1, 2011
I am trying to convert hundreds of BMPs into a single AVI file, without compression. Since every pixel matters in my case, I don't want any kind of compression. It's fine if the output file is extremely large.
I'd like to know if it's possible to achieve this with packages coming with Ubuntu 11.04. I have tried ffmpeg/mencoder, but they either compressed the output file, or the output file is not playable in totem. I am a new user for both tools. there is actually a way to get uncompressed avi from these tools.
"BMP to AVI Sequencer" [URL] does the job perfectly. I successfully converted 180 1080P BMPs into a 1G avi, running at 30 fps. Unfortunately I need a command line tool this time.
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Jun 2, 2011
I finally got K9copy to work and I'm using it to extract DVDs to my hard drive. I extract a dual layer DVDs it becomes a 5GB DVD. In the settings, I have DVD size as 9GB because I assumed this would not cause any compression. When I use k9copy assistant to change the shrink factor before ripping, I can only change the shrink factor of some titles to 1.67 from 2.50. I want the shrink factor to be 1 since this seems to ensure that the output of the file is the same size as the title on the dvd. I want the copied DVD to be the same size as the original. I have no problem with hard drive space since I have 6 terrabytes of free space.
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Jun 6, 2011
I'm head engineer for a community radio station. One of our compressors has recently died and I want to replace it with software compression on our streaming machine. I've been looking at VST/LADSPA/JOST etc and I've got nothing but confused. Hence I'm coming here looking for help.
My spec is this. We need a system to run a compressor and EQ, probably a graphic and a parametric. The compressor needs to be multiband and have proper control of the compression curve. A way of configuring it without too much command line work would be an advantage. All needs to run on an Ubuntu server with not massive overhead as it's not exactly the latest hardware. I suspect it would be possible to run WINE for windows requiring VSTs if needed.
I was hoping some of you good people might be able to point me in the direction of a suitable host and plugins to achieve the effect described.
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Dec 14, 2010
All my photos saved on digikam are subjected to compression. Is there any way to go around this in the program?
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Jan 1, 2010
I've made it my new years resolution to sort out my video collection
I know totem can create a png montage with the frames of a video, however, I've only been able to create one at a time. If i told you i have 621 videos to deal with, you can understand why im asking this question.
Is there anyway in which i can script this, so i can can do the entire directory, name the png the title of the film while my pc is doing nothing?, I've looked at the "man" for totem, and there doesnt seem to be anything in there.
Or alternatively, suggest alternate software, which can do the whole thing without scripting?! I've already looked at GframeCapture, but that doesn't do it also.
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Jun 26, 2011
and was perfectly well until 3 days ago now blanked out it is allowed under options preferences so there must be something to reset somewhere
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Dec 13, 2010
I have a problem with Gnome-screenshot and Select area to grab : a crosshair appears, but no lines to select an area. I've also added a Custom ApplicationLauncher to my gnome-panel with command :import -frame screenshot.png having the same problem..The weird thing is that after using ksnapshot ( I've been using KDE before ) the aforementioned applications will work as they should
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Jan 27, 2010
I'm having a problem running Mplayer in Ubuntu 9.1. I've installed and uninstalled several times. Mplayer refuses to open from the applications menu.n I attempt to open from terminal it comes up with the following: mplayer: error while loading shared libraries: /usr/lib/i686/cmov/libavcodec.so.52: file too short I've also tried other players such as Gnome Mplayer to play the video and it plays really fast with no audio or video. This has really been the only problem i've run into since switching from windows to linux two weeks ago.
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May 25, 2011
I've installed both mplayer and mplayer-gui packages, but I cannot find and launch mplayer with graphical interface. I want the classic mplayer's gui and seems that isn't there after installed. Doesn't appear ind applications on launcher and when I'm trying to run from terminal the mplayer-gui command I get the error:command not found. So, where is mplayer-gui and how to get it back. This problem doesn't exist in any previous ubuntu version.
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Mar 22, 2011
I'm currently using Debian Testing with Debian Multimedia Sid repos. The current Mplayer (3:1.0~rc4+svn20110308-0.0) seems to be broken - I can't encode AAC to AC3 on-the-fly anymore. I'd like to compile the latest snapshot or SVN version, but what is the easiest way to compile it with the same options as the one in debian-multimedia.org?
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Jan 23, 2010
I am trying to take advantage of VDPAU for playing video files with my ASRock ION 330. As far as I know, MPlayer and VLC both include VDPAU support. Ok then, I managed to make MPlayer work from the command line:
mplayer -vo vdpau -vc ffh264vdpau ./filename.mkv
In this way it plays a 720p content smoothly, with under 10% CPU use. Great!The problem is when I try to make this permanent, i.e., configuring the files ~/.mplayer/config and ~/.mplayer/gui.conf.This is what I have in there:
config
======
vo=vdpau,xv,
vc=ffh264vdpau,ffmpeg12vdpau,
[code]....
But still, when I open MPlayer from the menu, no matter what file I try to open it gives this ugly message:Error opening/initializing the selected video_out (-vo) device. With regard to VLC, I had no luck, although I am using the latest "1.0.3 Goldeneye" version, I don't know how to make use of VDPAU.
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Nov 17, 2010
Running Lucid Lynx. VLC works fine but Xvmc output uses less CPU on my PIII 750 laptop and isn't supported by VLC. I installed Mplayer but I can't play anything from the Mplayer GUI. I get the message "FATAL: Could not initialize video filters (-vf) or video output (-vo)". The interface is all black so I can't see the controls. I installed Gnome Mplayer GUI and now I have different problems. Playing video files, including VOB files from a DVD works fine. Trying to play a DVD with or without menues does not. I followed the instructions at URL.... What could be wrong?
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Nov 22, 2010
So I'm running Ubuntu 10.10 64-bit on an HP Mini 210-1190NR. Everything runs fine except mplayer. I installed mplayer from the repos but when I try to play a video I get no sound. I can't figure out why.
Here's the output:
Code:
mplayer star.wars.the.clone.wars.s03e10.720p.hdtv.x264-ctu.mkv
MPlayer SVN-r32636-4.4.5 (C) 2000-2010 MPlayer Team
160 audio & 350 video codecs
Playing star.wars.the.clone.wars.s03e10.720p.hdtv.x264-ctu.mkv.
Cache fill: 3.12% (262144 bytes)
[Code]...
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Nov 27, 2010
I'm trying to use mplayer to stream some content from the net to my desktop. This worked fine the first time I did it (though failed dismally on all subsequent occasions. Now, the first umpteen times, I was behind a proxy. Now I am not behind a proxy, but mplayer still looks for the proxy settings. Why? I have changed the proxty settings in the network proxy (applied globally), in Firefox and every where else I can think of. I use the following command:
Code:
mplayer -dumpstream -dumpfile ~/Desktop/<desired_filename>.avi http://<source>.avi
and I'm told in response
Code:
Resolving www<proxy> for AF_INET6...
What gives? Why is mplayer trying to use a proxy, and how can I tell it not to?
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Feb 1, 2010
what do i need to write to get the mediafile info from mplayer?
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Feb 4, 2010
The DVD is mounted. From the console, I input "mplayer dvd://", and I receive the following output:
MPlayer SVN-r29237-4.4.1 (C) 2000-2009 MPlayer Team
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.
[code].....
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May 22, 2010
I have been searching for this rampantly and couldn't find any solutions for it anywhere...i installed mplayer successfully and now im trying to install mozilla-mplayer on lucid... and i keep getting the following error
sudo apt-get install mozilla-mplayer
Reading package lists... Done
Building dependency tree
[code]....
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Jun 20, 2010
I've finally found a way to actually stream .asx stuff using mplayer ( by extracting the actual link to the video from it ), and now I'd like to record it. In the asx, I've found a link to an .asf file, which I can stream using mplayer. How can I save this to view it locally?
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Aug 20, 2010
I am on amd64, Lucid Lynx (10.04). Using the latest mplayer (MPlayer SVN-r31042-Ubuntu-RVM).
I'm trying to play a hi-def wmv. I get video and audio, but there is definitely some audio missing. The center channel is gone. I have music and sound effects, but the characters dialog is silent.
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Dec 12, 2010
I am using mplayer with vdpau enabled in Ubuntu 10.10. It works very well in general, reducing cpu usage for hd from 50% to 60% to around 10 -15% or less. There is however one slightly annoying problem. It is that mplayer would appear to "forget" its vdpau output setting once in a while and especially after rebooting. When that happens it needs to be "reset" in order to use vdpau. "Resetting" basically just means opening gnome-mplayer and change video output to xv and then back to vdpau again.
I should clarify that the setting has not actually been lost, it still says "vdpau", it just need resetting).
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Jul 17, 2011
I am using mplayer with Umplayer/Smplayer as graphic front ends. I have enabled DVD menus by checking the box in Preference > Drives in Umplayer(also tried Smplayer) but there is still no menu when I stick a DVD in the dvd drive, on the other hand the menus show up if I use VLC to play the DVD so it is not the dvd's problem.
I have already installed libdvdnav4.
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Apr 11, 2010
I am trying to install gnome mplayer and later mplayer codecs.script run
Code:
root@zorro:/home/siawacsh/Downloads/MPlayer/mplayer/slackbuild/gnome-mplayer# ./gnome-mplayer.SlackBuild
gnome-mplayer-0.9.8/
[code]....
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Feb 5, 2010
I got a webcam and it works fine with cheese, skype and many other programs. But with jmf or mplayer it doesn't work.
With mplayer I used this command mplayer tv:// -tv driver=v4l:width=640:height=480:device=/dev/video0
Both jmf and mplayer just give static looking like this [url]
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Feb 9, 2010
Ive been googling for an hour, trying to remove everything named mplayer manually, but with no result. How on earth do i reset mplayer settings the default settings, or how to i remove it completley from my harddrive?
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Feb 10, 2010
My partner is a teacher and has downloaded some videos from a teacher's resource site but can't seem to play them in Ubuntu. They play fine in Windows XP using Windows Media Player but they only play a few seconds in VLC or Totem and then freeze. The files in question seem to be normal MPG (MPEG-1) video files but somehow VLC and Totem choke on them. I have installed all restricted video formats including w32codecs but still no joy. My partner is threatening to go back to Windows!
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Feb 19, 2010
I am trying to get a listing of video information using ffmpeg or mplayer. I have found a way BUT it is only returning 1 piece of info..
Here is what I'm doing in PHP:
print exec("/usr/local/bin/mplayer -identify file.flv -ao null -vo null -frames 0 2>/dev/null | grep ^ID_");
But this will not provide an entire listing, it will only print out 1 thing such as:
ID_AUDIO_CODEC=mp3
I can specify what exactly I want to know something like:
print exec("/usr/local/bin/mplayer -identify file.flv -ao null -vo null -frames 0 2>/dev/null | grep ^ID_VIDEO_WIDTH");
but I want to just have all the info available at once instead of having to loop through like 20 times..
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