Got version 3.3.2 from git, cross compiled it and ran with the same options.
ffmpeg version n3.3-2-gda693f8daa Copyright (c) 2000-2017 the FFmpeg developers
built with gcc 4.9.3 (crosstool-NG crosstool-ng-1.22.0)
configuration: --cross-prefix=arm-linux-gnueabihf- --arch=arm
--target-os=linux --extra-ldflags=-static
libavutil 55. 58.100 / 55. 58.100
libavcodec 57. 89.100 / 57. 89.100
libavformat 57. 71.100 / 57. 71.100
libavdevice 57. 6.100 / 57. 6.100
libavfilter 6. 82.100 / 6. 82.100
libswscale 4. 6.100 / 4. 6.100
libswresample 2. 7.100 / 2. 7.100
Input #0, video4linux2,v4l2, from '/dev/video0':
Duration: N/A, start: 2980.791813, bitrate: 147456 kb/s
Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 640x480, 147456
kb/s, 30 fps, 30 tbr, 1000k tbn, 1000k tbc
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg1video (native))
Press [q] to stop, [?] for help
[mpeg @ 0x2c191c0] VBV buffer size not set, using default size of 130KB
If you want the mpeg file to be compliant to some specification
Like DVD, VCD or others, make sure you set the correct buffer size
Output #0, mpeg, to 'out.mpg':
Metadata:
encoder : Lavf57.71.100
Stream #0:0: Video: mpeg1video, yuv420p, 640x480, q=2-31, 200 kb/s, 30 fps,
90k tbn, 30 tbc
Metadata:
encoder : Lavc57.89.100 mpeg1video
Side data:
cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1
frame= 8 fps=0.7 q=3.1 size= 100kB time=00:00:00.16
bitrate=4914.9kbits/s dup=6 drop=0 speed=0.0147x
Now the bitrate shows up, but the recording speed is still very slow.
Unfortunately I can't do anything about the confidentiality note =(
Regards,
---
Guilherme de Oliveira Costa
Firmware Engineer - Autotrac Comercio Telecomunicacoes
www.autotrac.com.br
guilherme.oliveira(at)autotrac.com.br
Phone: +55 61 3307 7000 (Extension 2665)
-----Mensagem original-----
De: ffmpeg-user [mailto:[email protected]] Em nome de Lou
Enviada em: quinta-feira, 11 de maio de 2017 15:43
Para: [email protected]
Assunto: Re: [FFmpeg-user] bitrate=N/A at 640x480, no video recorded
On Thu, May 11, 2017, at 10:10 AM, Guilherme de Oliveira Costa wrote:
>
> The output:
> ffmpeg version 2.8.7 Copyright (c) 2000-2016 the FFmpeg developers
This is old. First step is to try a recent ffmpeg.
If possible, please try to avoid sending confidentiality notices to this public
mailing list.
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