Questions tagged as 'ffmpeg'

Tagged questions
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Live on Facebook using FFmpeg?

I'm using ffmpeg to try to stream a Facebook live, using the concat function to stream multiple video files, but at the end of the first file, Facebook crashes and does not continue playing the rest of the files. p> This is my li...
asked by 01.03.2017 / 21:14
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Render subtitles in video with ffmpeg?

I have some caption files that are separate from their respective videos, and I would like to put them together using the code below: ffmpeg -i videoSemLegenda.mp4 -i legenda.vtt -c copy -c:s mov_text videoComLegenda.mp4 When outputting to...
asked by 15.12.2016 / 17:36
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FFmpeg error with video stream

I'm trying to make a stream using a webcam as data input with FFmpeg, but I need it to record a video in addition to the stream. Both features with the same command for a few minutes. (If placed separately the code of the recording works perf...
asked by 09.11.2017 / 15:47
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Check the integrity of batch video files

How to check automatically and customizable via Shell / Programming Language integrity (Incomplete / Corrupted ) of video files ( .avi , .mp4 , .mkv among others)?    OBS: Having as a limiting factor the lack of a prev...
asked by 15.02.2016 / 21:02
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Change the quality of online video?

How do sites like YouTube and Facebook offer different qualities for upcoming videos? Is there any specific tool / code to change the quality of videos, or do they encode and save video files in different formats? 360p, 480p, 720p, 1020p ... How...
asked by 13.10.2016 / 15:44
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Calling python script through a php script accessed by the browser

I have a php script that will get uploaded videos and I would like to convert these videos using ffmpeg. I created a python script that receives php parameters and calls ffmpeg to do the conversion. index.php <?php $data = array('fil...
asked by 16.11.2014 / 02:29
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Generate thumbnail of video in php [duplicate]

I wanted to get the thumbnail of a video after the video has been uploaded on the site, I've already looked for a lot and only what I think is about ffmpeg and the "tutorials" basically tell you the commands (do not teach or install). Would it...
asked by 05.06.2017 / 18:25
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Insert text using FFMPEG, but only in a portion of the video

I use the code below to generate new videos (from the respective folder) by entering the student's name and CPF in each video. However, compilation takes a long time, since the compilation time is the time of the video. I need something faste...
asked by 04.10.2015 / 00:28
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Run multiple processes on Linux with Python

I get some URLs as a parameter via MQTT, after extracting them I run the command for the FFMPEG to write them to the .system. But this works for just one process, and I need to run N simultaneously. I come from Java and I can not figure out h...
asked by 05.12.2018 / 17:58
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shell_exec php with accent

I need to run a command via shell which may have an accent (involves filename) by PHP. Printing the command and running it in hand it runs with the accent, but with shell_exec it does not run. If I take the accent from the file name it...
asked by 13.09.2018 / 20:46