[MPlayer-users] No video output on ivtv/v4l2 TV out

[Peter Daum]

Russell Treleaven wrote:
> You should also be able to use -vo cvidix:ivtv

... unfortunately, this looks pretty much like the original
attempt with -vo ivtv: mplayer cheerfully plays the video,
but doesn't produce any visible output on the TV out :-(

I'd suspect that there is a hardware problem, but since the
X server works just fine, that can't be the case ...


> -----Original Message-----
> From: mplayer-users-bounces at mplayerhq.hu
> [mailto:mplayer-users-bounces at mplayerhq.hu] On Behalf Of Peter Daum
> Sent: Wednesday, February 27, 2008 6:53 AM
> To: mplayer-users at mplayerhq.hu
> Subject: Re: [MPlayer-users] No video output on ivtv/v4l2 TV out
> 
> Russell Treleaven wrote:
>> Is the video file you are trying to play mpeg2?
>> I am pretty sure that is the only type that will play properly with
> -vo
>> v4l2 or -vo ivtv
> 
> Yes, I am aware of that ;-)
> 
> Actually, since mpeg2-decoding doesn't require that much cpu power,
> an alternative would be to do without the hardware decoder and use
> the XV driver.
> 
> Unfortunately, when the output is sent to another X server using
> the TV out, as soon as I switch the virtual console back to my
> "real" X server (my regular X desktop; the machine is not a dedicated
> "media center") the TV out is turned off.
> 
> Can anybody think of a way how to avoid this?
> 
> Regards,
>                      Peter Daum
> 
>>> -----Original Message-----
>>> From: mplayer-users-bounces at mplayerhq.hu 
>>> [mailto:mplayer-users-bounces at mplayerhq.hu] On Behalf Of Peter Daum
>>> Sent: Monday, February 25, 2008 12:26 PM
>>> To: mplayer-users at mplayerhq.hu
>>> Subject: Re: [MPlayer-users] No video output on ivtv/v4l2 TV out
>>>
>>>
>>> Hi,
>>>
>>> Russell Treleaven wrote:
>>>> These params work for me (source is not the very latest)
>>>> I think it should at least solve your audio problem.
>>>> -vo v4l2 -ao v4l2 -ac hwmpa
>>> thanks for the hint!
>>>
>>> Now at least for a little while (< 1 min and even that with some
>>> glitches) the audio part is played on the TV. Then mplayer 
>>> somehow gets stuck and spills out thousands of messages saying:
>>>
>>> :A:  47.3 V:  26.6 A-V: 20.728 ct:  2.626 659/659  0% 104%  
>>> 0.2% 0 0 :Too many video packets in the buffer: (4096 in 
>>> 7765496 bytes). :Maybe you are playing a non-interleaved 
>>> stream/file or the codec failed? :For AVI files, try to force 
>>> non-interleaved mode with the -ni option.
>>>
>>> occasionally interrupted by:
>>>
>>> :Cannot sync MPA frame: 0
>>>
>>> Should I ever get the video output working, I'll look into 
>>> this closer.
>>>
>>> Regards,
>>>                   Peter Daum
>>>
>>>>> -----Original Message-----
>>>>> From: mplayer-users-bounces at mplayerhq.hu
>>>>> [mailto:mplayer-users-bounces at mplayerhq.hu] On Behalf Of Peter Daum
>>>>> Sent: Monday, February 25, 2008 11:01 AM
>>>>> To: mplayer-users at mplayerhq.hu
>>>>> Subject: [MPlayer-users] No video output on ivtv/v4l2 TV out
>>>>>
>>>>>
>>>>> I am trying to get mplayer (latest source from svn) to send
>>>>> output to the TV out of a Hauppauge PVR-350 with "-vo ivtv".
>>>>>
>>>>> Mplayer obviously thinks everything is alright, discovers the
>>>>> correct devices and "plays" (see output below), but there is 
>>>>> no visible output. The same happens with "-vo v4l2".
>>>>>
>>>>> The hardware setup is working. When I use "-vo fbdev" or
>>>>> fvdev2, I also get visible output (only my machine is not 
>>>>> nearly fast enough). When I start an X server on the ivtv 
>>>>> framebuffer, mplayer also displays its output on it.
>>>>>
>>>>> Any idea what is going wrong?
>>>>>
>>>>> Regards,
>>>>>                        Peter Daum
>>>>>
>>>>> (Btw. "-ao ivtv"/v4l2 isn't working, either: It always
>>>>> complains "can only handle MPEG audio streams" even with mpeg 
>>>>> audio created by the very same card)
>>>>>
>>>>> - - - - - 8< - - - - - 8< - - - - - 8< - - - - - 8< - - - - -
>>>>> 8< - - - - -
>>>>>
>>>>> MPlayer dev-SVN-r26100-4.1.2 (C) 2000-2008 MPlayer Team
>>>>> CPU: Intel(R) Pentium(R) 4 CPU 2.66GHz (Family: 15, Model: 2,
>>>>> Stepping: 7)
>>>>> CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1 
>>>>> Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2 Using 
>>>>> built-in default codecs.conf.
>>>>> Configuration: --prefix=/usr --mandir=/usr/share/man 
>>>>> --confdir=/etc/mplayer --enable-menu --enable-gui 
>>>>> --disable-inet6 --enable-largefiles --enable-xmms 
>>>>> --enable-dvdread --enable-tv --enable-dvb --enable-dvbhead 
>>>>> --enable-lirc --enable-dxr3 --enable-ivtv --enable-v4l2 
>>>>> --with-vidix-drivers=ivtv 
>>>>> --with-dvdnav-config=/opt/dvdnav/bin/dvdnav-config
>>>>> CommandLine: '-v' '-vo' 'ivtv' 'heimat_3.mpg'
>>>>> Using MMX (with tiny bit MMX2) Optimized OnScreenDisplay
>>>>> [file] File size is 1606704640 bytes
>>>>> Searching demuxer type for filename heimat_3.mpg ext: .mpg 
>>>>> system stream synced at 0xD (13)! ==> Found video stream: 0 
>>>>> ==> Found audio stream: 0 MPEG-PS file format detected. 
>>>>> Searching for sequence header... OK!
>>>>> VIDEO:  MPEG2  720x576  (aspect 2)  25.000 fps  7000.0 kbps 
>>>>> (875.0 kbyte/s) [V] filefmt:2  fourcc:0x10000002  
>>>>> size:720x576  fps:25.00  ftime:=0.0400
>>>>> get_path('sub/') -> '/home/gator/.mplayer/sub/'
>>>>> VO: [ivtv] Available video outputs: '#0, S-Video + Composite' 
>>>>> '#1, Composite' '#2, S-Video' '#3, RGB' '#4, YUV C' '#5, YUV V'
>>>>> VO: [ivtv] using /dev/video16
>>>>> VO: [ivtv] video output: S-Video + Composite 
>>>>> ==============================================================
>>>>> ============
>>>>> Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
>>>>> VDec: vo config request - 720 x 576 (preferred colorspace: 
>>>>> Mpeg PES) Trying filter chain: vo
>>>>> VDec: using Mpeg PES as output csp (no 0)
>>>>> Movie-Aspect is undefined - no prescaling applied.
>>>>> VO Config (720x576->720x576,flags=0,'MPlayer',0x4D504553)
>>>>> VO: [ivtv] 720x576 => 720x576 Mpeg PES
>>>>> VO: Description: IVTV MPEG Video Decoder TV-Out
>>>>> VO: Author: Benjamin Zores
>>>>> Selected video codec: [mpegpes] vfm: mpegpes (MPEG-PES output 
>>>>> (.mpg or DXR3/IVTV/DVB/V4L2 card)) Starting playback... 
>>>>> Increasing filtered audio buffer size from 0 to 65536
>>>>> VDec: vo config request - 720 x 576 (preferred colorspace: 
>>>>> Mpeg PES) Trying filter chain: vo
>>>>> VDec: using Mpeg PES as output csp (no 0)
>>>>> Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
>>>>> VO Config (720x576->768x576,flags=0,'MPlayer',0x4D504553)
>>>>> VO: [ivtv] 720x576 => 768x576 Mpeg PES
>>>>> VO: Description: IVTV MPEG Video Decoder TV-Out
>>>>> VO: Author: Benjamin Zores
>>>>>
>>>>> _______________________________________________
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>>>>>
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> 
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