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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Solr MoreLikeThis example 404 error

I'm trying to test the mlt example in solr 6 by executing the "techproducts" example bundled in the version. It's OK and I saw data etc. nevertheless, I get 404 error when I try to use mlt features (ie:…
Julián Gómez
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get producer from python

I am customizing now OpenShot to change brightness of video. I already figured out that I need to add sws_getColorspaceDetails / sws_setColorspaceDetails​ functions to convert_image() of producer_avformat. But I am wondering how to access…
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Start b clip after mixer transition ends

I'm seeking to mix 2 clips, however, I'd like for clip2 to start after the mixer transition ends, not begins. Essentially, this should mix clip1 with only clip2's frame 0. I was wondering if there was a better alternative to my current…
TuxForLife
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mlt add audio tracks to multitrack audio without mixing

I have 2 separate stereo wav files, and I want to create a wav file with the 2 stereo tracks but without mixing them. So that the left channel of file 1 would be mapped to the left channel of track 1 of the multitrack file, etc. How can you do this…
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MLT Framework : Specifying File PATH for QText producer

I was able to realize Ticker text using QText and demo examples on gitHub, unfortunately I am facing a problem in setting up file source and font. melt colour:black out=299 -track A_David_Beckham.mp4 out=299 -track qtext:"Scroll.txt"…
Abhijit Pathak
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Can't get MLT Framework to process audio in Docker container

I am using Docker to create a container for video processing using the melt command. All videos output at the moment do not include any audio. Here's the Dockerfile: FROM ubuntu RUN apt-get update RUN apt-get install -y melt swh-plugins WORKDIR…
seawolf
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Adding text to videos using MLT Framework

I am rendering a video using MLT Framework and am not able to successfully add text using the demos that are included in the code. When I execute the mlt_my_name_is demo, I receive the following errors: ./mlt_my_name_is Failed to load "+My name is…
seawolf
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Combining two Solr MLT query

Just wondering if it's possible to combine to separate MLT queries (based on filtering condition) into a single one. I'm trying to combine the results of this two…
Shamik
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MLT framework windows build melt failed to load avformat

I build mlt framework on windows following the official guide http://www.mltframework.org/bin/view/MLT/WindowsBuild and the solution of Error building MLT framework on Windows for the errors. But when I call the command melt it doesn't work…
Philip
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First frame in rendered kdenlive project is mute, why?

I have video in Kdenlive and I'm adding 2 guides which will be a place to cut my project: http://www.netcreate.pl/kden1.png This video isn't mute as you can see. Next I render this parts using guides: netcreate.pl/kden1-2.png First and second. But…
netCreate
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Piping video stream using chroma key with melt

I've had excellent results using melt for chroma keying the output of two video files: melt bg.mp4 -track greened.mp4 -filter chroma key=0x00ff0000 variance=0.45 -transition comp Is there a technique for piping the raw output of a camera to the…
lysdexia
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Get a color wheel for MLT color grading in Openshot with Movit

I'm trying to make an effect in openshot for lift-gamma-gain based colorgrading. I downloaded the latest Movit library and put it on the rigth plaece, MLT and Frei0r is installed and openshot is too. Now i got an XML file (based on these…
MetNL
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Error building Mlt on Windows using MinGw. Undefined reference dlsym dlclose dlopen dlerror dlclose

I faced some problems while building MLT framework on windows using MinGw. I tried to follow instructions on http://www.mltframework.org/bin/view/MLT/WindowsBuild . I completed every step until step called "Build". This is what 7th step of "Build"…
Benas
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Render dynamic animated editable text

I am working on one web application development where i need to render glsl which can support editable animated text. Whereas User can edit the animated text which can be rendered through webgl. Can you please provide me and reference link or if…
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mlt: format dynamictext timecode?

Is there a way to format the #timecode# argument in the dynamictext filter, like there is with the #localtime# argument? I’d like to display only the minutes and seconds of the timecode, but entering #timecode %M:%S# is apparently unsupported. I…
msp
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