Re: [transcode-users] Recording from v4l2?

[Adam K Kirchhoff <adamk@xxxxxxxxxxxx>]

Jacob Meuser wrote:

> On Thu, Dec 16, 2004 at 11:12:02AM -0500, Adam K Kirchhoff wrote:
>  
>
> > [ adamk@xxxxx - ~ ]: transcode -H 0 -x v4l2 -i /dev/null -p /dev/dsp0 -o 
> > output.avi -y xvid4 -c 150
> >    
>                      ^^^^^^
> that's not valid.  don't know why transcode doesn't complain, though.
>
> let's go about this another way.
>
> please apply the patch below and show the output.
>
>  

If I don't specify "-p /dev/dsp0"


[ adamk@xxxxx - ~ ]: transcode -H 0 -x v4l2 -i /dev/video1 -o output.avi 
-y xvid4
transcode v0.6.12 (C) 2001-2003 Thomas Oestreich, 2003-2004 T. Bitterberg
[transcode] V: import frame     | 720x576  1.25:1 
[transcode] V: bits/pixel       | 0.174
[transcode] V: decoding fps,frc | 25.000,0
[transcode] A: import format    | 0x2001  AC3/A52      [48000,16,2]
[transcode] A: export format    | 0x55    MPEG layer-3 [48000,16,2]  128 
kbps
[transcode] V: encoding fps,frc | 25.000,3
[transcode] A: bytes per frame  | 7680 (7680.000000)
[transcode] A: adjustment       | 0@xxxx
[transcode] V: IA32 accel mode  | sse2 (sse2 sse mmxext mmx asm)
[transcode] V: video buffer     | 10 @ 720x576
[import_v4l2.so] v1.2.1 (2004-01-03) (video) v4l2 | (audio) pcm
[export_xvid4.so] v0.0.5 (2003-12-05) (video) XviD 1.0.x series (aka API 
4.0) | (audio) MPEG/AC3/PCM
[import_v4l2.so]: v4l2 audio grabbing
[import_v4l2.so]: SNDCTL_DSP_SETFMT: Invalid argument
device = /dev/video1, v4l2_audio_fd = 3, tmp = 16
audio import module error: OPEN failed
[transcode] critical: failed to open input source

If I do specify it:

[ adamk@xxxxx - ~ ]: transcode -H 0 -x v4l2 -i /dev/video1 -p /dev/dsp0 
-o output.avi -y xvid4
transcode v0.6.12 (C) 2001-2003 Thomas Oestreich, 2003-2004 T. Bitterberg
[transcode] V: import frame     | 720x576  1.25:1 
[transcode] V: bits/pixel       | 0.174
[transcode] V: decoding fps,frc | 25.000,0
[transcode] A: import format    | 0x2001  AC3/A52      [48000,16,2]
[transcode] A: export format    | 0x55    MPEG layer-3 [48000,16,2]  128 
kbps
[transcode] V: encoding fps,frc | 25.000,3
[transcode] A: bytes per frame  | 7680 (7680.000000)
[transcode] A: adjustment       | 0@xxxx
[transcode] V: IA32 accel mode  | sse2 (sse2 sse mmxext mmx asm)
[transcode] V: video buffer     | 10 @ 720x576
[import_v4l2.so] v1.2.1 (2004-01-03) (video) v4l2 | (audio) pcm
[export_xvid4.so] v0.0.5 (2003-12-05) (video) XviD 1.0.x series (aka API 
4.0) | (audio) MPEG/AC3/PCM
[import_v4l2.so]: v4l2 audio grabbing
[import_v4l2.so]: v4l2 video grabbing
[import_v4l2.so]: accelerated memcpy using: sse2
[import_v4l2.so]: resync disabled
[import_v4l2.so]: video grabbing, driver = cx8800, card = Hauppauge 
WinTV 34xxx models
[import_v4l2.so]: VIDIOC_CROPCAP: Invalid argument
video import module error: OPEN failed
[transcode] critical: failed to open input source

Adam