On 6/21/22 15:55, Bill Cunningham wrote:
On 6/21/2022 6:22 PM, Samuel Sieb wrote:
On 6/21/22 15:15, Bill Cunningham wrote:
Does this show anything? And, I did try webm and it worked fine.
IDK which is the smaller file, webm or mp4. I usually watch this
stuff with vlc on windows or an OS using vlc.
I tried ffmpeg -formats mp4 -i re.iso re.mp4,
[mpeg4_v4l2m2m @ 0x55caf16f2dc0] Could not find a valid device
[mpeg4_v4l2m2m @ 0x55caf16f2dc0] can't configure encoder
This is still your original problem which I explained to you then.
That is a hardware encoder and you don't have whatever hardware it's
looking for. You have to use "-vcodec" to select a different encoder.
Try "-vcodec libopenh264" since you're still using ffmpeg from the
Fedora repo.
OK wow well this is new,
libpostproc 56. 3.100 / 56. 3.100
[NULL @ 0x5599ce560c40] non-existing PPS 4 referenced
[NULL @ 0x5599ce560c40] non-existing PPS 0 referenced
[extract_extradata @ 0x5599ce565c80] Invalid NAL unit 0, skipping.
Last message repeated 4 times
[libopenh264 @ 0x5599ce560c40] [OpenH264] this = 0x0x5599ce568800,
Warning:parse_nal(), no exist Sequence Parameter Sets ahead of sequence
when try to decode NAL(type:0).
This looks like you've told it to decode with openh264 which won't work
because it should be an mp2 stream.
ffmpeg -i re.iso -vcodec libopenh264 re.mp4
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