![]() ![]() Left is anycodings_lossless the original. However, you have to use the command line in order to execute FFmpeg rotate operation. If you are a Mac user, FFmpeg is a free tool available. Ffmpeg like, Video Compress, Audio Compress, Trim Video, Rotate Video. You need to rotate a video by 90 degrees when you want to change the orientation of the video from landscape to portrait or vice versa. The screenshot is here anycodings_lossless. To extract the audio from the video without re-encoding, run the command: 1. I assume that method anycodings_lossless leaves rotation job for player to deal with anycodings_lossless so the image quality difference is more anycodings_lossless obvious. I noticed there is an answer anycodings_lossless anycodings_lossless modifying hex data to achieve video rotation anycodings_lossless without re-encoding, but it does not change anycodings_lossless the actual file just the metadata only to anycodings_lossless let the player know. What is the reason?Īs I do not have enough reputation, I put anycodings_lossless the screenshot here anycodings_lossless. ![]() I currently use ffmpeg -i "inputvideo" -crf anycodings_lossless 0 -vf transpose=2 -acodec copy anycodings_lossless "outputvideo".Īlthough -crf 0 should be lossless, I found anycodings_lossless there is difference after comparing the anycodings_lossless first frame of the orginal video and the anycodings_lossless rotated video. I'm looking for how to rotate a video anycodings_lossless without losing any quality when re-encoding. ![]()
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