Now you can play around with all sorts of things, like converting an image sequence into a video, a video into an image sequence, rotate and scale videos, discover information about a video, stabilize that shaky video you took at you Great Aunt’s 4th wedding, stream the webcam you planted in your girlfriend’s ex-boyfriend’s bedroom, or convert your 250 frame cube render to a super-crispy lossless h264 of unparalleled awesomeness. If all is well – congratulations, it’s installed! If it still tells you that it doesn’t recognize the command, double check that you successfully added the ffmpeg bin folder to the system path.

Once you’ve got a console open, check that FFmpeg is installed properly by typing ffmpeg -codecs, which will show you all the codecs you have access to, including audio and video. Shift+Right Click in a folder (without any files selected) and choose Open command window here.Hit Win+R to open the Run utility and type cmd there.Search in the start menu for command prompt or just cmd.home/pi/bin/ffmpeg -i hatari_bmp-atg-megademo_stretch-scroller.avi -c:v libx264 -crf 1 -r 25 -pix_fmt yuv420p -vf scale=-1:ih*2 -c:a aac output-standard_h264.Since FFmpeg is a command-line program, we’re going to need to open a command line! Resultant file: video and audio quality are flawlessĮncoding speed: 7 -10 fps, c 93% cpu across all cores home/pi/bin/ffmpeg -i hatari_bmp-atg-megademo_stretch-scroller.avi -c:v h264_omx -crf 1 -r 25 -pix_fmt yuv420p -vf scale=-1:ih*2 -c:a aac output-hard264.mp4 Resultant file: very poor framerate, blurryĮncoding speed – solid 10 fps, c. Hardware: Raspberry Pi 3, overclocked to 1350mhz The resultant file is massively compressed, and always 1MB regardless of which switches I pass (constant rate factor, scaling, audio codec etc)Ī discussion on github suggests that it's very early days for the hardware h264 encoder, but I wondered if anyone else has had better results?įor the record, encoding a 30 second audio video file of an Atari ST demo screen:

Unfortunately the results when transcoding video are somewhat underwhelming. I’ve used Technoid’s valuable instructions to rebuild my custom ffmpeg, incorporating hardware h264 encoding.Īfter commenting out line 1956 in libavcodec/utils.c, I'm able to run ffmpeg with the new encoder.

Python how to install ffmpeg