Edit: This did eventually complete, and the output file is fine. I am using a top-end MacBook M1 Pro computer. Is it normal for it to be this relentlessly slow? It was
My input file is an .mov. I used this command:
ffmpeg -i Jellyfish.mov Jellyfish.avif
I also tried converting an MP4/h264 file. In both cases it took over 50 minutes.
It's a 5 second long clip but it has taken about 20 minutes and the output file is still zero bytes.
This is the output in my terminal:
Output #0, avif, to 'Jellyfish.avif':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: mp42mp41isomavc1
encoder : Lavf59.27.100
Stream #0:0(und): Video: av1 (av01 / 0x31307661), yuv420p(tv, bt709, progressive), 1280x720, q=2-31, 30 fps, 15360 tbn (default)
Metadata:
creation_time : 2022-03-18T00:53:05.000000Z
handler_name : L-SMASH Video Handler
vendor_id : [0][0][0][0]
encoder : Lavc59.37.100 libaom-av1
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
frame= 1 fps=0.0 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A speed= frame= 36 fps=1.4 q=0.0 size= 0kB time=00:00:00.03 bitrate= 0.0kbits/sframe= 37 fps=0.2 q=0.0 size= 0kB time=00:00:00.06 bitrate= 0.0kbits/sframe= 39 fps=0.2 q=0.0 size= 0kB time=00:00:00.13 bitrate= 0.0kbits/sframe= 41 fps=0.1 q=0.0 size= 0kB time=00:00:00.20 bitrate= 0.0kbits/sframe= 43 fps=0.1 q=0.0 size= 0kB time=00:00:00.26 bitrate= 0.0kbits/sframe= 45 fps=0.1 q=0.0 size= 0kB time=00:00:00.33 bitrate= 0.0kbits/sframe= 47 fps=0.1 q=0.0 size= 0kB time=00:00:00.40 bitrate= 0.0kbits/sframe= 49 fps=0.1 q=0.0 size= 0kB time=00:00:00.46 bitrate= 0.0kbits/sframe= 51 fps=0.1 q=0.0 size= 0kB time=00:00:00.53 bitrate= 0.0kbits/sframe= 53 fps=0.1 q=0.0 size= 0kB time=00:00:00.60 bitrate= 0.0kbits/sframe= 55 fps=0.1 q=0.0 size= 0kB time=00:00:00.66 bitrate= 0.0kbits/sframe= 57 fps=0.1 q=0.0 size= 0kB time=00:00:00.73 bitrate= 0.0kbits/sframe= 59 fps=0.1 q=0.0 size= 0kB time=00:00:00.80 bitrate= 0.0kbits/sframe= 61 fps=0.1 q=0.0 size= 0kB time=00:00:00.86 bitrate= 0.0kbits/sframe= 63 fps=0.1 q=0.0 size= 0kB time=00:00:00.93 bitrate= 0.0kbits/sframe= 65 fps=0.1 q=0.0 size= 0kB time=00:00:01.00 bitrate= 0.0kbits/sframe= 67 fps=0.1 q=0.0 size= 0kB time=00:00:01.06 bitrate= 0.0kbits/s speed=0.00103x
I copied the command avif.io