Stack Overflow
Stack Overflow

Questions tagged [mlt]

MLT is an open source multimedia framework, designed and developed for television broadcasting. It provides a toolkit for broadcasters, video editors, media players, transcoders, web streamers and many more types of applications.

MLT is an open source multimedia framework, designed and developed for television broadcasting. It provides a toolkit for broadcasters, video editors, media players, transcoders, web streamers and many more types of applications.

The functionality of the system is provided via an assortment of ready to use tools, XML authoring components, and an extensible plug-in based API.

Source: http://www.mltframework.org

113 questions
0
votes
1 answer

mlt: why is dynamictext working, but not text or qtext?

Here's a minimal MLT file that writes some text to the video output:
msp
  • 59
  • 7
0
votes
1 answer

Encoding SWF to video with Melt

I'm doing a project which requires converting SWF movies to H.264 video on server-side, to be able to play them both in Flash player and on iPhone/iPad. And I really got stuck. I'm using Melt from http://www.mltframework.org/ and this is my…
RocketR
  • 3,626
  • 2
  • 25
  • 38
0
votes
1 answer

melt failed to load filter and transition qtblend

I've installed melt from sources in Ubuntu 18.10, codename:cosmic Everything seems to be fine but when I'm trying to play some kdenlive file I got [producer_xml] failed to load filter "qtblend" [producer_xml] failed to load transition "qtblend" When…
David_grx
  • 28
  • 2
0
votes
0 answers

Found a issue with watermark. It adds a 1 pixel black line at the bottom of image, when backgound of uses light color

[Source image does not contain bottom black line ][1]
Muhammed Mahbub Hossain
  • 1
  • 1
  • 1
0
votes
1 answer

Get data of similar record in elastic search in million records

Can We use MLT concept of ES to filter documents with similar fields.Is it possible to give weight to the individual field. What is elastic search recommendations.
user3824082
  • 1
  • 1
  • 4
0
votes
1 answer

MLT - 10-bit LUT support

I'm an MLT user via several open source NLE video editors (kdenlive). It appears that MLT is unable to process a 10 bit LUT. Prior to MLT 6.10 applying a 10 bit LUT like the DJI Mavic 2 Pro DLOG-M LUT resulted in blank output. After upgrading to…
Karl Fife
  • 1
  • 1
0
votes
1 answer

MLT timecode with multiple source frame rates and audio sources

I assume that if I specify in and out parameters for an avformat producer, MLT interprets these numbers with respect to the file's intrinsic frame rate. E.g., for a source file at 60fps, 00:00:01:10 means 70 frames, but for a file at 25fps, the…
iter
  • 4,171
  • 8
  • 35
  • 59
0
votes
1 answer

Mov file playback error using MLT Melt on OSX

I'm trying to playback a Mov file on OSX using the command: $melt MVI_3001.mov However, there's a momentary flash and the following error: libc++abi.dylib: terminating with uncaught exception of type NSException Abort trap: 6 What does this…
Joel Ramsbottom
  • 1
  • 1
0
votes
1 answer

MLT Framework: How to add zomm animation to all the tracks?

I have three tracks as follow: track0: [---------------------black-----------------------] track1: [-------------------in.mp4------------------------] track2: [-----][1.jpg][----------][1.jpg] What I want to do is add a zoom animation to it,…
bigZack
  • 3
  • 3
0
votes
0 answers

how to use melt to do video overlay? It's just like a PiP(picture in picture)

I want to use melt.exe (command line video editor) to do something with video overlay. It's like overlay a video on the other that I can control the size and position of the video which will be placed. I have done this with shotcut and view the xml…
bigZack
  • 3
  • 3
0
votes
1 answer

MLT XML voiceover

I have two video clips and two audio clips. I want to combine them such that each audio overlays on top of its video, and the results run sequentially: [video0 ][video1 ] [audio0 ] [audio1 ] edit here's a working MLT file. I retain my…
iter
  • 4,171
  • 8
  • 35
  • 59
0
votes
1 answer

Melt: how to extract a frame every second?

If I use: melt -profile square_ntsc movie.flv -consumer avformat:image%05d.jpg s=60x45 I get so many images as many frames are in movie. How do I extract an image each second? (the frame rate is known). Same as how do I extract an image every n-th…
Florin P.
  • 1
  • 3
0
votes
1 answer

mlt double tent fade in and fade out

Yesterday I saw the wonderfull screen transition effect of a samsung smartphone, where the fade out and fade in was not just all screen getting black and coming back, butthe black color is arriving troug h2 lateral "tents" that arriving are making…
Matteo Raggi
  • 16
  • 1
0
votes
2 answers

Melt command: how to read video properties?

How to read the total number of frames from a video with "melt" command Same for time and frames per second.
Florin P.
  • 1
  • 3
0
votes
1 answer

Putting a vertical PNG in a horizontal project in KDEnlive result a black bar

Here's the problem Here's something else This is a KDEnlive problem on Windows (maybe on other OS as well). When I try to put put a vertical screenshot (PNG if that matter) it will display a black bar that block the animated background. However,…
Candbot
  • 1
  • 1
  • 2
1 2 3 4
5
6 7 8