Software :: Software For Reencoding Several MOV Videos To MKV Video
Nov 17, 2010
I have a camera that produces MOV videos (h264, pcm). I'd like to join all the videos to one MKV video and change it's resolution.So far I've discovered this way how to do it which seems a little too complicated to me:First I convert those MOVs to AVIs with ffmpeg - no re-encoding, just copy video and audio tracks. This had to be done before mencoding otherwise mencoder destroys the video (seems like it's good in joining AVIs, but not MOVs). Then I join those with mencoder to one giant AVI (still no re-encoding) and then I convert this AVI again with ffmpeg to desired MKV with x264 and vorbis.
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Jul 1, 2010
I made a bunch of video files with Thoggen a few years back and now it seems I'm having issues with playback. As the audio and video are intact and VLC, mplayer and xine can all play the files perfectly and ffmpeg can happily reencode the files. I think I need to rebuild the container metadata without reencoding the video or audio streams but I'm not entirely sure exactly how to do this without using avidemux, which won't work for me.
Technical stuff follows:
VLC works but complains
Code:
charles@wintermute:~/Videos/tmp$ vlc broken.ogg
VLC media player 1.0.6 Goldeneye
[0xff94b8] main libvlc: Running vlc with the default interface.
Use 'cvlc' to use vlc without interface.
TagLib: Vorbis::File::read() - Could not find the Vorbis comment header.
[0x126af18] main input error: ES_OUT_RESET_PCR called
[0x1787f18] pulse audio output: No. of Audio Channels: 2
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::begin: Paint device returned engine == 0, type: 1
MythTV gives me silent video .....
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Jan 18, 2011
If I were to take a flac music file and convert it to alac using ffmpeg would there be any degradation of audio quality? I am also wondering how many people are actually able to tell the difference between a high quality MP3 and a lossless file. If I were to find a suitable place to upload a load of different files would people be willing to judge the audio quality?
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Aug 27, 2010
I'm using Lucid and able to connect rhythmbox to my iphone 3GS.
Is it possible to transfer .m4v videos (any video) across to my phone ?
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Sep 1, 2009
When I am playig videos with mplayer (I am using smplayer frontend), sometimes video freezes and i had to push space button twice before it starts to play again. I am using Fedora 11 x86_64. How it can be fixed?
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Feb 3, 2010
This is true for .flv, .avi, .mov, and .mp4, at least. This is true in both vlc and movie player. Thumbnails generated from frames in the videos appear correctly in nautilus. Videos play fine in firefox, on ....., but I downloaded one as an .flv and then it had the same problem. I have restricted extras freshly installed. My "Ubuntu 9.10 - the Karmic Koala" system is fully updated. I've found several other forum posts about the same kind of problem, but I couldn't find anything helpful in them (like that the contrast setting might be WAY out of whack, which it wasn't, or that nvidia drivers needed to be updated or reinstalled, which I don't have anyway, etc).
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Feb 4, 2010
every video is flickering and not smooth why is that and what can i do about it.
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Jul 31, 2010
I am having problems: videos have sound, but no picture.I'm using a Gigabyte motherboard with integrated ATI video, and I've read before that XBMC (and Ubuntu in general) don't like ATI too much. Is there any hope left to make XBMC work?I've tried the following:1. Fresh Ubuntu installation, default ATI drivers. Result: when starting a video, audio is okay, but no video. Also, visibly slow graphics even while navigating XBMC menus
2. Installed ATI/AMD proprietary FGLRX driver via System->Hardware drivers. Result: significantly accelerated menu navigation, but no video still. Note: having no problems watching videos via VLC or Totem Movie Player (after downloading proper codecs)3. Fresh Ubuntu installation, then downloaded and installed ATI's proprietary Linux drivers from ATI's site (ati-driver-installer-10-7-x86.x86_64.run). Result: yippee, I see some video, but wait: no color!! (all videos are in sepia-like mode)
4. Followed these instructions to install the unofficial ATI drivers. Result: total failure, XBMC won't even start, says something about the need to have proper hardware OpenGL acceleration.System info:GIGABYTE GA-MA785GMT-UD2H AM3 AMD 785G mobo with ATI Radeon HD 4200 onboard graphicsAMD Phenom II X2 550 processor4 gigs of DDR3 RAM Ubuntu Lucid 32 bit (2.6.32-24-generic-pae)
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Mar 14, 2011
I am having two problems with Flash in Firefox and even Google Chrome. The two problems are 1) videos are purple looking and 2) if i switch to another video Flash crashes. I have Ubuntu 10.04 and it is a clean install fully up to date.
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Apr 2, 2010
Since reinstalling Ubu9.04 from disk, I'm unable to view many MP4 videos.
My laptop only has 3 settings for res.
Here's some lshw:
And some attempt at adding a higher value in xorg.conf:
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Jun 20, 2011
A good video converter software for openSUSE to covert videos into multiple formats.it will be easy if it ask me to covert videos for a specific device like i-pod,Nokia,Samsung mobiles.
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Aug 11, 2011
I am trying to use the s video port on my presario 2800t to watch videos on my tv. I have plugged the S Video cable into the back of an RF box. So how do I get the computer to send a video signal through the s video port?
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Feb 2, 2010
when i try to play a video, from internet it is showing the message 'Either javascript turned off or download and install latest adobe flash player'. But eventhough I downloaded and installed adobe flash player I am unable to play any video and still it is giving the above message. what is the reason?
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Jul 10, 2011
i want to be able to convert videos into mp4 videos of resolution 320*240 and frame rate 25ps so that i will be able to play them in my phone..any video converter that can do this job for me?
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Feb 22, 2010
I want to watch a certain video on [url]...., but I get an error message instead. Some videos can be played, so I'm thinking it's a form of restriction, but I can't be sure.I tried using a few proxies, but on some the error message persists and on others the video doesn't load. I'm running Ubuntu 9.10 and Firefox 3.5.8.
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Jul 16, 2010
I wanted to see the current video stream of oil leak in the gulf but when I go to the page the video is black. When I click on the video it give the error message Quote:
An Error Occurred: Could not write to resource. I am not sure what that means or how to fix it.
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Jul 14, 2011
I have two seperated video clips, that captured same event from two cameras. i would like to create one clip, that will show one on the left side, the second on the right side, and play together.
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Jun 24, 2010
I've been playing around with Damn Small Linux 4.4.10 on my Dell Inspiron 3000 laptop for quite a while now, and this is the first time I've been downright stumped. To make a long story short, I'm trying to play 480p video on a machine with a 233 MHz Pentium processor, 112 MB of ram, and a Neomagic MagicGraph 128XD graphics card (NM2160). Crazy? Maybe, but I don't think so. I'm using MPlayer set to Xv mode with the XFree86 4.3.0 server, and so far, I've been able to get it to play 360p mpegs with minimal stuttering. However, MPlayer crashes with 480p. This is because the 128XD only has 2 MB of memory, which, after the 1024x768x16 screen takes its share, doesn't leave enough room for a 640x480 overlay.
The creators of MPlayer are aware of this limitation, and suggest adding the following line to my XF86Config file: Option "OverlayMem" "829440"
As I understand it, this is supposed to extend the video card's frame buffer into system memory, thus allowing the higher resolution video to play. However, it doesn't work, based on this output from my XFree86 log file: cannot reserve 829440 bytes for overlay...
Some other suspicious-looking lines from the log file:
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Jul 6, 2011
I have an integrated intel video and latest xserver-xorg-video-intel driver(using only stable repo). Now I wanna watch high-res video. From the bits of info collected from all over internet I understood that I need to:
1.aptitude install libdrm libva.
2.compile or find the .deb mplayer-vaapi and install it.
3.add -vo vaapi -va vaapi to the mplayer command line in gnome-mplayer.
My question : is that correct or did I miss something? Do I have to compile latest libdrm and libva or the ones from the squeeze repo will be good? Do I need kms enabled, i.e. install firmware-linux-nonfree?
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Mar 18, 2011
I'm looking for a Linux tool that allows me to transcode videos to a video codec that is highly compatible to the Windows platform. We produce large scientific videos from measurements and would like to show those videos during presentations and submit the videos to journals. We want to be as compatible as possible (we can not influence for example the codes installed on the presentation system or on the journal reviewers system).
Virtualdub suggests one of these codecs:
* Radius Cinepak
* Intel Indeo R3.2
* Microsoft Video 1
We tried ffmpeg, mencoder and Virtualdub under wine, none of those tools could produce videos encoded with the aforementioned codecs.
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Oct 17, 2010
When I play large HD videos in mplayer, the video and sound frequently get out of sync, and the video plays a little strangely (occasionally speeding up and occasionally slowing down).
I think it's because mplayer is only running on a single core. As I've got a quad-core processor, it seems inefficient. I've seen that there is theoretically a way to get mplayer to work with multicore setups, but it requires compiling with different options. That'd take me a little while to work through.
Ideally there would be a pre-compiled version in the software centre, or a player which has support built in (again, ideally in the software centre). Is there such a thing available?
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Nov 13, 2010
is this possible? Or does one have to use the binary blobs?
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Jan 25, 2011
If I take out the existing video card and put in another one of a different type (but not a different brand), how does Ubuntu behave? I know what Windows typically does. Windows starts up the screen using a default video driver which is at least 1024 by 768 and then asks you what this new bit of hardware is and asks where the drivers are. I'm pretty sure Ubuntu has default drivers of its own, but I don't know what their resolution is.
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Mar 22, 2011
I recently bought a video card for my pc. I had it running pretty nicely on Ubuntu10.10, I started windows and later restarted and after that it wouldn't get past the Graphic cards bios. this is rather odd isn't it? I suspect it maybe dead or that my motherboard bios is stuffed but i reset that too and it still wont go.. The specs are Pentium4 Proccesor 1gb ram motherboard 661gx-m7 Nvidia GeForce FX5200 DDr128mb
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Apr 20, 2011
I have a video file in which the audio runs faster than the video, so they quickly go out of sync. The way to fix it would be to separate the audio and video streams, speed up the video (the audio is FINE, it's the video that's wrong), and then recombining them. What is the easiest way for doing that?
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Jun 19, 2011
Got a bit of a problem where xorg can't start kdm. I pulled out a dying AGP card to try and switch to onboard video, and I think the previous configuration is gumming up the works.I've been running this system for quite a while, as you'll be able to tell from the version numbers.Would like to avoid having to transport my Amarok databases to a new server. I make heavy use of the song ratings and whenever I try to transport the database from the old system to a fresh build I have to spend hours relearning sql commands.Any ideas how to either fix the resolutions on the ATI or (preferably) get KDE to start on the onboard graphics?
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Feb 26, 2010
video playback is like I have applied a blueish sepia filter over it. And this is just the playback from totem player or mplayer, and not the playback from ..... (and generally online streaming) - this works just fine. this messy video playback also appears when I use cheese to capture video with my webcam. Note that the preview picture of the video file on nautilus has the natural colours it should have.
at first when I installed the os this particular problem didn't exist, but it came up the time I decided to follow the "comprehensive multimedia guide". So now I have all the pros of following the guide, but this is a major con...
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Feb 27, 2010
i have a problem with video.when i make full size video from browser or from video player i see only black screen.can anybody help me pls?
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May 30, 2011
this happens with both VLC and Totem, when in either of those programs playing a video, if I click on one of the top menus, say View in Totem, the video stays on top of the drop down options. In order to see the options I have to hover over them with the mouse at which point they become momentarily visible. I read a post somewhere where someone had a similar problem and it was solved by reinstalling Compiz, but I've tried uninstalling it entirely, reinstalling it, etc. and none of it works. It doesn't happen with flash videos in firefox, it does happen with visualisations in Totem, and it only started happening since I upgraded to 11.04.
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Apr 1, 2011
OpenSUSE 11.1, 64 bit, 2 cores, intel graphics, 4 GB of RAM:_no_ problems
OpenSUSE 11.4, 64 bit, 4 cores, nvidia graphics, 16 GB of RAM:
Problem is very similar to: Problems playing mkv HD films in opensuse but not windows but with enough differences that I start a new thread:
* playback in VLC does not work -- there is only sound
* playback in SMplayer works, however -- when I scroll forward, the video freezes and sound continues, to unfreeze video I have scroll a tiny bit backward
I tried changing the video ouput driver (in SMplayer) from xv to xv/noveu-nvidia, it didn't help. Please note, that I use the same settings (initially) as before in OS11.1.
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