To fix, I specified the same input multiple times with -ss, then use trim to truncate the video. Note that if any of the files does not have audio or video stream we should not include here. Player using your main viewer for videos I want to write a command line script to achieve this, since I’m doing batch processing. How come this is an accepted answer? Create File List echo file file1.
Then I created a simple batch file concat. Multiple images slideshow while playing audio with or without transitions between Powered by Trac 1. SargeBorsch Because it works. Do not use with MP4. You must either conform the 2nd to the format of the 1st, or conform the 1st to the format of the 2nd, or conform both to a 3rd format to where they will have everything in common. Szabolcs Spindler Szabolcs Spindler 3 2. Use -qscale 0 instead.
Out of curiosity, what’s that Media Utility software? Only then can they be joined. Then You can use it this way:. Finally we include the [v] and [a] so ffmpeg can use the resulting video [v] and audio streams [a] for future operations. I don’t think you can do this in one step. The only problem with this command is that you need to read the filepaths from the text file called input.
If what you were looking for is a method for specifying all the mp4 files in the current folder without a lot of retyping, try this in your Windows batch file instead MUST include the option -safe As mentioned in the comments, Stack Overflow has a great description of the available options for concatenation, as well as a discussion of which method to use depending on the types of files you’re using:. One contains background audio, the other one a singing actor. This is NOT concatenating.
This is a very good solution cos it saves you from typing in lengthy lists of files for -i parameter. Boka Jul 12 ’18 at 6: Email Required, but never shown.
You can use ‘Concat filter’ for quick concatenation. Gives correct time and size. On Linux I did this: Dhruv Singal Dhruv Singal 1 1 As a work-around, I re-encoded and compiled the two files into a single MP4 file using Corel VideoStudioalthough I wish I could have used ffmpeg instead.
However, it takes a very long time to get to the time offset I specify, as if decoding everything up to it. Last modified 13 months ago Last modified on Jan 21,6: Some even have the audio stream missing. Use -qscale 0 instead. Alexandr Perfilov Alexandr Perfilov 1 6.
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Similar Threads how to join video files pls?
comcat This created a new silent video with both inputs playing as the same time next to each other. See the concat filter documentation for more info.
If they do not have the same sizing we can always resize them before joining. Trying to join 12 video files together By tater in forum Editing.
Since you have to re-encode the video and audio stream sand since re-encoding may introduce compression artifacts, make sure to add proper target bitrate or quality settings. This essentially doubles ffmpe size of input1. Albus Dumbledore Albus Dumbledore 2 4. How to join four. Thanks for the info. This solved the issue: