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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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play videos side by side MELT

I am having issues in playing videos side by side. Can someone help me? I am observing for my MELT sequence 1 video is scaled properly, but other is cropped. Please suggest solution. Here is my melt command. melt A_David_Beckham.mp4 in=0 out=650…
Abhijit Pathak
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Mlt framework: Crashes while playing video

I'm using MLT framework to create a video player for my app in which users will be able to preform some small video editing for a specific task. I'm also using QT for this app. I have started with essentially the BuildOnMe example which can be found…
Solidus
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MLT Producer with infinite color:black

i want create multicam view and place each stream like mosaic. I use "color:black" producer for background and set in_and_out like -1 -1. It's work for me, but after 10 minutes producer ends and mProd1 set to fullscreen. How to make "color:black"…
Михаил Толкачев
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Python bindings for MLT GTK+ Consumer

I'm stuggling to figure out how to use MLT's GTK2 Consumer in python. The consumer is outlined here. There's nothing in the Doxygen API about using this consumer and the only details I could find was the C code itself. I tried the following code…
Ian
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How to split audio and video separately from a given video file using MLT?

I would like to split both audio and video from a given input video file. After surfing in internet I came to know that it is possible using ffmpeg.I am going to implement the above functionality in the Android application.In ffmpeg it has lot of…
Jamal
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xvfb-run with melt hangs

We are using melt utility to flatten vidoes. in it there is a plugin called kdenlivetitle. this plugin imposes title text on video but it requires X server. for that we are using xvfb-run but it hangs in-between sometime. Below is the output of…
user1785460
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Convert a media file to h.264 encoding using melt on ubuntu 12.04

I am working on a small command line video editing tool. I have created almost everything but I am stuck at encoding of result file in to H.264. I installed melt from debian repository. encoding wasn't working so i tried building melt on my own. but…
bitkot
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Apply keyframeable rotation, positioning, scale and skew animation on video/image using mlt framework

I am trying to achieve keyframeable scale, position, rotation(rotation along specific point), skew and opacity animation using mlt framework. I investigated in mlt and found three filters:- frei0r.c0rner, affine, qtblend. But these all three filter…
Shivam gupta
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Media Lovin Toolkit in Node.JS

I want to create an application in Node.JS that uses MLT(Media Lovin Toolkit) for mixing some videos and streaming through RTMP. I found one package that generates XML instructions for MLT, but it does not include Consumer's functionality, so I…
CostelMD
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add custom ffmpeg avfilter in mlt

I created one custom filter under av filter and added it into ffmpeg. I build the ffmpeg and in ffmpeg its working fine and visible in ffmpeg filter list. Now I tried to build mlt with this custom ffmpeg. mlt build successfully. I checked in mlt…
Shivam gupta
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Mlt: change profile to current clip

In order to get the length of a clip in the MLT framework, I need to configure the mlt profile to 24fps like my clip. So I tried to do (python binding): In [1]: import mlt In [2]: mlt.Factory.init() Out[2]:
tobiasBora
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Melt: frame precise concatenation

I tried to concatenate a number of video files: $ melt file01.mp4 file02.mp4 filen.mp4 170_ot_proof.mp4 170_thanks.mp4 -consumer "avformat:total.mp4" acodec=libmp3lame vcodec=libx264 +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+…
tobiasBora
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MLT 3 ENCODING question is causing confusion

How does the expression mod(cumsum([1 0 1 1 0 0 1]),4) perform MLT-3 encoding? Currently trying this out in Octave to get a better understanding but can't seem to wrap my head around it.
luke bate
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Solr MoreLikeThis find documents that are near identical

I have index with documents that are basically scraped website content. I need to be able to serve documents that are nearly identical. This requirement arises when one website copies content from another website. They do change some words, but…
Kipras Bielinskas
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Melt framework - Add a background persisten between videos

I need to merge videos in a ratio of 16:9 with a png image to use instead of the black borders. I'm running this command: melt vid_1.mp4 vid_2.mp4 -mix 30 -mixer luma -consumer avformat:finish.mp4 I see the affine plugin but can make it work
Marcelo
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