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Questions tagged [video-conversion]

Video conversion deals mostly with converting videos from one codec to a second one or to resize the image size. It is also possible to change the container format as well.

Videos must be converted for several reasons from one codec to a second one or need to be resized to fit on smaller screens. In some cases devices can record or play just a view formats. With video conversion videos can been converted to be playable on a other device.

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FFMPEG: Making a specifc range of color pixels transparent

I am trying to overlay one video on top of another using ffmpeg, but couldn't quite understand the error. I based on the existing command from here More specifically, I want to replace the all colors close to a specific color (say brown…
Pan Ng
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how to convert high quality .wmv file using ffmpeg

Please guide me how to solve this issue. Below is what I got when try to convert wmv format file to .flv. ffmpeg -i full.wmv -ar 48000 -ab 192000 -b 293000 -r 15 -s 640x480 full.flv FFmpeg version SVN-r13582, Copyright (c) 2000-2008 Fabrice…
Rahul TS
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Nreco video converter make video from image sequence

I'm trying to make a video from a sequence of .jpg files using Nreco.videoconverter ffmpeg wrapper. I search for answer on this forum and topic that almost help me is…
Ivan Jocic
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FFmpeg HLS save original timestamps

I transcoding a video to HLS and everything works fine with the following command: ffmpeg -i source -vcodec nvenc -acodec copy -f ssegment -segment_list playlist.m3u8 -segment_list_flags +live -segment_time 60 -segment_list_size 10 out%03d.ts But…
Ivan Kolesnikov
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How can I convert videos in php without using ffmpeg?

I made a code in php that extracts mp3 audio track from a video file using the exec function to execute ffmpeg. All works fine on a local server using WAMP on windows. But when deploying the script to the server, I can not run ffmpeg anymore because…
Matheus Prado
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C# FFmpeg / NReco.VideoConverter: Increase Conversion Speed

I use NReco.VideoConverter for video conversion. How can I increase video conversion speed and get a maximum performance? Theory says, that it is possible to increase video conversion: rise processor cores quantity; rise CPU frequency (set more…
Chaki_Black
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FFMPEG, find PSNR value after changing the video ration

I have have used the following command to resize my video: ffmpeg -i input.mp4 -vf scale=480:270,setdar=16:9 -qp 0 output.mp4 * input.mp4 video is resized from 1920x1080 to 480:270 Now, how i can find PSNR for different sized video?
mrana
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Enable VideoJS to play .mov

I have set up a wordpress theme called Video Board, the site I am building allows users to upload their videos for comments. Uploading a video from a mobile device is critical, the theme supports mp4 which covers android users, however it does not…
Sam
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Using Node.js module fluent-ffmpeg to convert video but my files end up corrupt

i am writing a node based media encoding tool and have found a few good node packages that will help me to do this, but the output files are either totally corrupt or it only encodes half the video. The main node package i am using is fluent-ffmpeg,…
El Guapo
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fluent-ffmpeg generating incorrect framerate

I'm having a strange issue converting images to a video. I am using the excellent fluent-ffmpeg module for a node.js server. I have 179 jpg images which I wish to convert to a 30fps video (should be about 6s). I have successfully done so using the…
ZakThompson
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ppm to mkv/avi/mp4 converted video using ffmpeg can't be opened by Lightworks but can be viewed perfectly fine

I am trying to make gource work for my own personal project. I set everything up and already converted the ppm output to a video file. I can open and watch the file without having any problems. But when it comes to editing the program Lightworks…
BrainStone
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FFMPEG output video from stream of images

I know how to use ffmpeg to covert image sequence to a video. What I want to do is start converting images to video, before I have all the images ready, i.e. as soon as I start to output images, ffmpeg starts conversion, and stops when the images…
Kay
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FFmpeg does unnecessary muxing

I am writing a script that takes videofiles such as MKV or AVI and changes them to MP4, and then prepares them from web streaming. I want my output to use H.264 and AAC codecs. So far my command looks like this: ffmpeg -i input.mkv -vcodec h264…
Mattis
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Limitations of ffmpeg?

I am trying to convert an avi file to mpeg, but ffmpeg is giving me these error messages, 'buffer underflow' and 'packet too large' The command I am using is : ffmpeg -I input.avi -s 2592x2160 -b 1200 output.mpg Dimensions of video - are there any…
Eamonn McEvoy
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How to create blurred background of the same video input with AWS MediaConvert?

Is it possible to create a secondary layer for a portrait video with AWS MediaConvert, of the same video but blurred, and that fills the frame? I'm trying to achieve this result.
somonek
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