Rodolfo Medina writes:
> Leonardo via ffmpeg-user writes:
>
>> Since you have an AMD cpu/apu, one last resort that I can think of is to
>> capture webcam with hardware acceleration.
>>
>>
>
>
> Nothing, the problem remains... it gets stuck for some seconds...
The problem also occurs with anot
Leonardo via ffmpeg-user writes:
> Since you have an AMD cpu/apu, one last resort that I can think of is to
> capture webcam with hardware acceleration.
>
>
> Extracted from https://trac.ffmpeg.org/wiki/Hardware/VAAPI
>
> Also, you need to verify what "-vaapi_device" is the correct one for your
>
Since you have an AMD cpu/apu, one last resort that I can think of is to
capture webcam with hardware acceleration.
Extracted from https://trac.ffmpeg.org/wiki/Hardware/VAAPI
Also, you need to verify what "-vaapi_device" is the correct one for your
machine.
The wiki has much more information.
Leonardo via ffmpeg-user writes:
> What is the output of
>
> $ cat /proc/cpuinfo
>
> ?
Here it is:
processor : 0
vendor_id : AuthenticAMD
cpu family : 22
model : 48
model name : AMD A6-7310 APU with AMD Radeon R4 Graphics
stepping: 1
microcode : 0x
What is the output of
$ cat /proc/cpuinfo
?
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Leonardo via ffmpeg-user writes:
> Hello,
>
> as an alternative, you can display your webcam at screen with mplayer
>
> $ mplayer tv:// -tv
> driver=v4l2:width=640:height=480:device=/dev/video0:fps=30:outfmt=yuy2
> -noborder -geometry 640x480+0+0
>
> and record your screen+audio with ffmpeg (here
Hello,
as an alternative, you can display your webcam at screen with mplayer
$ mplayer tv:// -tv
driver=v4l2:width=640:height=480:device=/dev/video0:fps=30:outfmt=yuy2
-noborder -geometry 640x480+0+0
and record your screen+audio with ffmpeg (here I'm using pulseaudio because of
the "noise-red
Carl Zwanzig writes:
> On 7/22/2020 6:22 AM, Rodolfo Medina wrote:
>> Same problem also with simply:
>>
>> $ ffmpeg -f alsa -i hw:1,0 -f video4linux2 -i /dev/video0 out.mpg
>>
>> , and audio completely out of sync...
>
> And complete command output is still missing (it's always helpful)
>
>
On 7/22/2020 6:22 AM, Rodolfo Medina wrote:
Same problem also with simply:
$ ffmpeg -f alsa -i hw:1,0 -f video4linux2 -i /dev/video0 out.mpg
, and audio completely out of sync...
And complete command output is still missing (it's always helpful)
Since this works--
mencoder tv:// -tv dr
Paul B Mahol writes:
> On 7/20/20, Rodolfo Medina wrote:
>> Hi all.
>>
>> When capturing video from webcam, with:
>>
>> $ ffmpeg -f video4linux2 -s 3200x2400 -i /dev/video0 -vb 20M out.mpg
>
> 3200x2400 is very big resolution
Same problem also with simply:
$ ffmpeg -f alsa -i hw:1,0 -f vid
On 7/20/20, Rodolfo Medina wrote:
> Hi all.
>
> When capturing video from webcam, with:
>
> $ ffmpeg -f video4linux2 -s 3200x2400 -i /dev/video0 -vb 20M out.mpg
3200x2400 is very big resolution
>
> , out.mpg stops, freezes, gets stuck at the beginning for a few seconds.
> Only
> at the beginni
Hi all.
When capturing video from webcam, with:
$ ffmpeg -f video4linux2 -s 3200x2400 -i /dev/video0 -vb 20M out.mpg
, out.mpg stops, freezes, gets stuck at the beginning for a few seconds. Only
at the beginning and only for a few seconds. I thought the problem was related
to the cheap low-qu
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