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How do I set up and use FFmpeg in Windows? To update FFmpeg, just revisit the download page in step 1 above and download the zip file Unpack the files and copy them over the old files in the folder you created in step 2 Using FFmpeg Using FFmpeg requires that you open a command prompt window, then type FFmpeg specific commands Here is a typical FFmpeg command:
Using ffmpeg to change framerate - Stack Overflow ffmpeg -y -i seeing_noaudio mp4 -filter:v "setpts=1 25*PTS" seeing mp4 Which changes the duration but not the framerate Surely I should be able to do this with a single ffmpeg command without having to reencode or even as some people suggested going back to the original raw frames
Vertically or horizontally stack (mosaic) several videos using ffmpeg? ffmpeg -i input0 -i input1 -filter_complex vstack=inputs=2 output Videos must have the same width Horizontal Using the hstack filter ffmpeg -i input0 -i input1 -filter_complex hstack=inputs=2 output Videos must have the same height With a border Using the pad filter This examples creates a 5px black border between the two sides
FFMPEG: crop a video without losing the quality ffmpeg -i input -vf "crop=480:270:200:100" -c:v libx264 -crf 17 -c:a copy ouput mp4 See FFmpeg Wiki: H 264 Video Encoding Guide for more info Use a bitstream filter The h264_metadata and hevc_metadata bitstream filters can set crop dimensions without modifying the video itself Note: Your player may not support this method Example for H 264
ffmpeg convert without loss quality - Stack Overflow See the FFmpeg H 264 Video Encoding Guide for more info on that Get a recent ffmpeg Go to the FFmpeg Download page and get a build there There are options for Linux, OS X, and Windows Or you can follow one of the FFmpeg Compile Guides Because FFmpeg development is so active it is always recommended that you use the newest version that is
FFmpeg - Change resolution of the video with aspect ratio If I will run ffmpeg with -s 100x200, then second video will have bad aspect ratio How can I limit output video by width, with auto aspect ratio by height? For example, I want specify for the output video only width 100px and ffmpeg must automatically calculate height with right aspect ratio
ffmpeg PNG - MP4 - Error opening input files: invalid argument If you look at your terminal output it says the FFmpeg parameters are wrong, because you are passing an incorrect parameter to the input file The bitrate parameter must be applied to your output file, since you are encoding using that bitrate Moving it to the right position will do the trick I tested it out, this works:
FFmpeg: Encode x264 with AMD GPU on Windows? - Stack Overflow For example, ffmpeg -i input mkv -c:v hevc_amf -rc cqp -qp_p 0 -qp_i 0 -c:a copy output mkv would be lossless Note that while it's much faster, the file sizes will be significantly larger than with libx264 or libx265 for the same quality - that's just how hardware encoders are at present time
ffmpeg - How to use ffprobe to obtain certain information about mp4 h . . . At any rate, I found the following use of ffprobe to get duration, and was hoping that someone here who understands the complexities of using ffmpeg ffprobe would be kind enough to assist me with finding the other values I need in a more straightforward way than the crazy code I'm using myself, created to climb through the full results of ffmpeg