Re: Fwd: v4l2: The device does not support the streaming I/O method.

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I am trying to stream /dev/video0 to http and encode it in h.264.

On Wed, Jan 1, 2014 at 9:24 AM, Andy Walls <awalls@xxxxxxxxxxxxxxxx> wrote:
> On Sun, 2013-12-29 at 15:27 -0500, Andy wrote:
>> Are there any other viable options to stream /dev/video0 then?
>
> I'm not sure what you mean by stream; what are you trying to do?
>
> By default the ivtv driver and the PVR-150 output an MPEG-2 Program
> Stream containing MPEG-2 Video and MPEG-2 Audio Elementary Streams.
>
> Any Linux video application worth it's salt (mplayer, VLC, ffmpeg)
> should be able to handle that MPEG-2 PS with no problem.
>
> It's just a matter of using the correct command line argument to do what
> you want to do.  mplayer only needs the device node name as a command
> line argument to play back the stream.
>
> Regards,
> Andy
>
>
>
>
>> On Sat, Dec 28, 2013 at 1:15 PM, Andy Walls <awalls@xxxxxxxxxxxxxxxx> wrote:
>> > On Fri, 2013-12-27 at 00:37 -0500, Andy wrote:
>> >> I am trying to capture input from /dev/video0 which is Hauppauge Win
>> >> 150 MCE PCI card but I get the following error which has no record on
>> >> google
>> >>
>> >> [video4linux2,v4l2 @ 0xb080d60] The device does not support the
>> >> streaming I/O method.
>> >> /dev/video0: Function not implemented
>> >
>> > The ivtv driver does not support the V4L2 Streaming I/O ioctl()'s for
>> > transferring video data buffers.  It only supports the read()/write()
>> > calls.
>> >
>> > I'm not sure about ffmpeg, but mplayer is happy to read() the mpeg
>> > stream from standard input or the device node:
>> >
>> > # cat /dev/video0 | mplayer
>> > or
>> > # mplayer /dev/video0
>> >
>> > Regards,
>> > Andy
>> >
>> >> Here is the ffmpeg command
>> >> ffmpeg -y -f:v video4linux2 -i /dev/video0 -f:a alsa -ac 1 -i hw:1,0
>> >> -threads 2 -override_ffserver -flags +global_header -vcodec libx264 -s
>> >> 320x240 -preset superfast -r 7.5 -acodec aac -ar 44100
>> >> ipgoeshere:port/dvbstest.ffm
>> >>
>> >> Disregard the DVB syntax, not relevant
>> >>
>> >> Any idea what is causing the error?
>> >> --
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>> >
>> >
>
>
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