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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
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Document Similarity in ElasticSearch

I want to calculate similarity between two documents indexed in elasticsearch. I know it can be done in lucene using term vectors. What is the direct way to do it? I found that there is a similarity module doing exactly…
Pratik Poddar
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Saving melt output to another avi/mp4 file

I am trying to use mltframework to merge 2+ videos. I want to generate another .avi file from these merged video files. How can I do this?
user1249655
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Documentation for Python binding for MLT multimedia framework

I am start learning MLT multimedia framework. It's written in C/C++ so its official documentation has tutorials and examples for C/C++ only with few links for Perl binding. I am looking for some tutorials for Python bindings of MLT, because I want…
Alok
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Mlt Melt add audio track to video

I have several video clips with different lengthes. And there is audio track I want to mix over those clips. I use this: melt original.mp4 -audio-track preview.mp3 -transition mix If preview.mp3 is longer than original.mp4 then when video ends the…
Oleg Karakoz
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Melt: How to convert vertical video with black sides, to video 16:9, with blurred background sides

I saw many discussions on how to do this with ffmpeg, but how can I do it with melt command line? I'm using the below command to merge video and audio and to resize any video to 1280x720 which is working great with many videos in different…
AFT
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Understanding/controlling MLT melt slideshow?

Consider the following bash script (on Ubuntu 18.04, melt 6.6.0), which uses melt to make a slideshow and play it locally in a window (SDL consumer), mostly copied from https://mltframework.org/blog/making_nice_slideshows/ ( edit: I'm aware that's…
sdaau
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How to use MLT Framework through command line?

I am new with video editing. I want to use the MLT framework through command line in order to edit thousands of video. I am unable to install the framework. Can anyone help me with the installation process?
Aman sinha
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MLT / melt: concatenate clips, fade-in/fade-out audio and video

I am attempting to automate a mundane video-editing task that I perform on a weekly basis. I would like to use melt to do this. Assume that I have videos a, b, and c. I would like to do the following: Snip a1, b1, and c1 from within a, b, and…
Chris Allen Lane
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melt command line player issue : interlacing not supported by codec

I installed melt (using MLT framework) in one of my Linux machine and is trying to perform a simple video editing operation. Following is the command I issued: melt avformat-novalidate:clip1.mpeg -consumer avformat:clip1-grey.mpeg -verbose The…
Wind Chimez
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2 answers

MLT (Media Lovin' Toolkit) Photo Slide Video

I'm using MLT from the command line on a series of images. When I run: melt 0.jpg 1.jpg 2.jpg 3.jpg It generates a video where each photo occupies one frame (4 frame long video). I want each photo to occupy 100 frames. I've tried every combination…
idealboy
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Realistic memory usage for MLT Framework project?

I am trying to render a video project that I created with kdenlive. It is about 50 minutes long and contains a dozen short 1080p video clips and several hundred still images (mostly 18MP). melt runs and proceeds to consume all 4GB of my RAM, at…
jl6
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MLT Framework: Using MultiConsumer to show live stream from webcam and record it

I'm trying to show live feed from a webcam and, at the same time, record the video and audio to a video file. I'm not sure I'm doing things correctly. I tried to use melt code as a way to start. One of the problems is the feed is very delayed (I'd…
Solidus
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2
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Error building MLT framework on Windows

I've been following the official building guide provided here. I need MLT to create a video player and I opted to only install the first 4 libraries, as stated on the guide (FFmpeg, SDL, dlfcn-win32, and libXML). I'm also using QT as my main…
Solidus
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3 answers

MLT, how to rotate a video 90 degrees and make the resulting height be the same as the original width?

I shot a video with my phone in portrait orientation (vertically), which now I need to edit to make it fit properly in a landscape (horizontal) layout. When playing it on my computer and in any of the video editors available on linux, it looks like…
Fabio A.
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Compile MLT Framework to use in Microsoft Visual Studio

I need to use MLT Framework (rather replace current framework with MLT) in my project, but, the problem seems that there are no ".lib" files available for MLT Dlls. Even did not find option to generate ".libs" using the usual build routine as…
Amit Khobragade
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