Ultimately, I need to be in mp4, but I don't mind doing some container shuffling to allow me to trim out portions while still encoding. How can I go about trimming this file while it's still encoding? I am willing to change container formats from flv to something else if needed. can convert your WEBM files to these other formats: WEBM Converter WEBM to WMV WEBM to MKV WEBM to FLV WEBM to 3GP WEBM to MOV WEBM. While the video is still encoding, I see this error when I try to trim: Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)Īlso while encoding, using ffprobe, I get information like the following: Duration: 00:00:26.96, start: 0.080000, bitrate: 126 kb/s This command results in a 200x200 cropped portion of the video situated 300 pixels from the left edge and. ffmpeg -i input.mp4 -filtercomplex ' 0:vcrop200:200:300:100 cropped' -map ' cropped' output.mp4.

With this, here is a command line that crops a 200×200 portion of a video. I am encoding the video like so: ffmpeg -i recording.mp4 -c libx264 output.flvĪnd I'm attempting to trim the video with: ffmpeg -i output.flv -ss 00:00:00.000 -t 00:00:01.000 -c copy output2.mp4 The syntax for cropping a video is cropwidth:height:x:y. Command line tool to copy part of an audio flv file to a new file. I would like to be able to trim segments of this video out as it is still encoding. Bash script to encode video and trim commercials using ffmpeg and edl. I am encoding a video with ffmpeg into H.264 stored in an FLV container.

Ffmpeg crop flv