Time ~/ffmpeg/ffmpeg -hwaccel cuda -y -i /tmp/input.mkv /tmp/out.mp4 Time command outputs with CPU used: realđm40.678sĪlso note down the speed: frame= 7320 fps= 73 q=-1.0 Lsize= 58306kB time=00:02:02.03 bitrate=3914.0kbits/s speed=1.22xĪnd now same file with NVIDIA GPU acceleration (note the path, I am calling the compiled version): Time /bin/ffmpeg -y -i /tmp/input.mkv /tmp/out.mp4 In this example, I am converting input.mkv to out.mp4 as follows without using GPU acceleration:
Write stream tags like language and title, also container title and creation time - no reencodingĬopy, add or modify any metadata to stream and container.Related: Top 7 Linux GPU Monitoring and Diagnostic Commands Line Tools Result Scaling - change video resolution (use -1 to keep the aspect ratio)Īuto crop - detect best crop values for encoder Picture settings - with changes immediately displayed (reencode) Parallel jobs - you can run multiple jobs in the same time (multithreading)Īudio auto gain detect - it will parse the whole file and find the proper gain value (reencode) Job queue - you can add multiple tasks into a job queue Split or trim a file by given time points (no reencoding)īulk convert files using stream profiles or manual settings (no filter options for manual) It chooses an output with the biggest width of all source files. Merge different kind of files (different codecs, resolution, etc) into one file. Merge files with the same properties - no reencoding. Stream profiles - create and apply audio and video profiles Supports multiple video streams in the same file. Subtitles - srt, ass, ssa, mov_text, dvdsubĪdd multiple streams into one mkv, mp4 or any other container known by ffmpeg that accepts multiple streams (with or without reencoding). Stream conversion - almost any codec into:Īudio - aac, mp3, flac, pcm, vorbis, opus One feature was lacking from most of them, video stream copy (pass-through), that made me build this. I have inspired myself from a lot of media converters like Handbrake, WinFF and MkvMergeGui. It is intended to be simple and easy to use but also to be able to achieve complex tasks. DmMediaConverter is a crossplatform FFmpeg frontend (GUI) exposing some of its features.
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