Questions specific to linux environment

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1
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1answer
63 views

How to get a crisp, exact color match for lossless screen-cast?

Background Recording a screen-cast (no audio) in Xubuntu Linux. The following image shows a side-by-side comparison of the video (left) versus the desktop (right): The screen-cast is recorded ...
2
votes
0answers
74 views

Video Capture using ffmpeg (V4L2 indev) Results in Bad A/V Sync

I actually contributed to a bug report on this issue a year and a half ago ( https://trac.ffmpeg.org/ticket/692#comment:15 ). Basically, the problem is that using ffmpeg to record from a USB video ...
1
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0answers
23 views

Kdenlive Render Effects

I'm using Kdenlive on Linux Mint 16, and I was finding that my keyframed "Box Blur" effect was significantly slowing down playback, and so I thought there might be a way to render the effects on a ...
0
votes
1answer
544 views

Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height

ffmpeg -i test.mp4 -acodec libvorbis -vcodec libvpx out.webm ffmpeg version N-57647-g1880294 Copyright (c) 2000-2013 the FFmpeg developers built on Oct 30 2013 19:25:44 with gcc 4.4.7 (GCC) ...
0
votes
1answer
53 views

Forcing kdenlive to adapt its profile to the video clip

kdenlive starts with a profile for instance 1080*720/etc. Then I import a video clip. How to tell kdenlive to modify its profile to match the video clip? Modifying the profile manually by ...
1
vote
1answer
283 views

Join / Concatenate .wmv files

I have 2 .wmv files which are equal in codec information (windows media video 9 in 640x360 with 25 fps; windows media audio 2 in stereo with 44,1kHz and 16 bits per sample). I'd like to concatenate / ...
1
vote
0answers
435 views

High bitrate in AVCONV converted MPG file causes DVD reading problem

I convert AVI to MPEG with folowing command: avconv -i file.avi -c:v mpeg2video -b:v 6000k -c:a mp2 -b:a 384k file.mpg When the MPG file has been burned to DVD it is hard to read afterthat. The DVD ...
1
vote
1answer
122 views

How to convert video for viewing on Sony Ericsson C702?

I'd like to convert some of my videos for viewing them on Sony Ericsson C702 cell phone. But I couldn't find the right set of parameters (a/v codecs, container, etc.). I'd prefer a solution using ...
4
votes
4answers
2k views

How to get FFMPEG to join non-sequential image files? (skip by 3s)

I have a bunch of images, that follow this pattern. 0001.png 0004.png 0007.png 0010.png 0013.png 0016.png 0019.png ... They're in the correct order, but FFMPEG ignores anything after the first ...
4
votes
3answers
280 views

120fps 720p footage with real time playback on Ubuntu? + editing?

I have a laptop with an i7 CPU, 1.73 GHz, 8GB RAM, Ubuntu 10.04 with an "ATI Mobility Radeon HD 5800 Series" graphics card. I have compiz enabled (which may be one of the culprits with the problem ...
1
vote
1answer
342 views

How to create a rolling ball with Python in Blender?

My friend told me that you could create games in blender and it has an game engine in it. Now I want to do some simple things with blender such as rolling ball, the topic now in this question. ...
2
votes
2answers
137 views

Options to speed up Hobbyist Rendering?

How can I speed up hobbyist animation-rendering project? It would be cool to see things faster, I use tools such as Blender.
0
votes
4answers
293 views

Is Open-Source -film production possible with open-source tools?

Samuli -- of the Iron-Sky -film -- mentions (3.40 here) their used software: adobe.com, Adobe Creative Suite 5 autodesk.com, Maya newtek.com, Lightwave 3D 10 renderpal.com, RenderPal ...
5
votes
2answers
204 views

What video codecs can provide “adaptive quality”?

Background: I am trying to compress lossless bluray tracks to a more storage friendly size without a huge loss in quality. What I've been doing thus far: Exploring compression options with ffmpeg. ...
2
votes
1answer
118 views

Is there a way to manage Final Cut project files under Linux or Windows?

I don't have a x86 Mac at hand I'm having trouble organising a large collection of Final Cut 7 projects. I have tried to run Final Cut under Virtualized OS X. But I have trouble installing it since ...