Public bug reported:

Binary package hint: mplayer

I'm using dvgrab to capture raw dv from a video camera and piping that
to mplayer to play the video.  I use the following command:

dvgrab --format raw - | mplayer -cache 4096 -

In Edgy Eft, the previous command works flawlessly and I see live video
from the camera.  But in Feisty Fawn, the previous command just hangs
with:

Win32 LoadLibrary failed to load: avisynth.dll, /usr/lib/win32/avisynth.dll, 
/usr/local/lib/win32/avisynth.dll
libavformat file format detected.

To make sure it was an mplayer problem, I got the mplayer package for
Edgy (2:0.99+1.0pre8-0ubuntu8) and installed that on Feisty and it works
again.  Therefore, I think it's definitely a problem with mplayer.

Here's the output I get with the broken package for Feisty (2:1.0~rc1-0ubuntu9):
[EMAIL PROTECTED]:~$ dvgrab --format raw - | mplayer -cache 4096 -
Capture Started                                                                 
MPlayer 2:1.0~rc1-0ubuntu9 (C) 2000-2006 MPlayer Team
CPU: Intel(R) Core(TM)2 CPU         T5600  @ 1.83GHz (Family: 6, Model: 15, 
Stepping: 2)
CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled with runtime CPU detection.
Can't open joystick device /dev/input/js0: No such file or directory
Can't init input joystick
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.

Playing -.
Reading from stdin...
Cache fill:  4.69% (196608 bytes)   
Win32 LoadLibrary failed to load: avisynth.dll, /usr/lib/win32/avisynth.dll, 
/usr/local/lib/win32/avisynth.dll
libavformat file format detected.

*** It just hangs here.
-----------------------------------------------------------------

Here is the output I get with the working Edgy package 
(2:0.99+1.0pre8-0ubuntu8):
[EMAIL PROTECTED]:~$ dvgrab --format raw - | mplayer -cache 4096 -
MPlayer 2:0.99+1.0pre8-0ubuntu8 (C) 2000-2006 MPlayer Team
CPU: Intel(R) Core(TM)2 CPU         T5600  @ 1.83GHz (Family: 6, Model: 15, 
Stepping: 2)
CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled with runtime CPU detection.


Linux RTC init error in ioctl (rtc_irqp_set 1024): Permission denied
Try adding "echo 1024 > /proc/sys/dev/rtc/max-user-freq" to your system startup 
scripts.
Opening joystick device /dev/input/js0
Can't open joystick device /dev/input/js0: No such file or directory
Can't init input joystick
Setting up LIRC support...
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support.
You will not be able to use your remote control.

Playing -.
Reading from stdin...
Cache fill: 19.92% (835584 bytes)   
Win32 LoadLibrary failed to load: avisynth.dll, /usr/lib/win32/avisynth.dll, 
/usr/local/lib/win32/avisynth.dll
RAWDV file format detected.
VIDEO:  [DVSD]  720x480  24bpp  29.970 fps    0.0 kbps ( 0.0 kbyte/s)
==========================================================================
Opening audio decoder: [libdv] Raw DV Audio Decoder
AUDIO: 48000 Hz, 2 ch, s16le, 28771.2 kbit/1873.12% (ratio: 3596399->192000)
Selected audio codec: [libdv] afm: libdv (raw DV audio decoder (libdv))
==========================================================================
open: No such file or directory
Couldn't open: /dev/mga_vid
open: No such file or directory
Couldn't open: /dev/mga_vid
[VO_TDFXFB] Can't open /dev/fb0: No such file or directory.
[VO_3DFX] Unable to open /dev/3dfx.
==========================================================================
Opening video decoder: [dshow] DirectShow video codecs
Win32 LoadLibrary failed to load: qdv.dll, /usr/lib/win32/qdv.dll, 
/usr/local/lib/win32/qdv.dll
Warning: DS_Filter() could not open DirectShow DLL.  (DLL=qdv.dll, r=0x8900850)
Failed to create DirectShow filter
ERROR: Could not open required DirectShow codec qdv.dll.
You need to upgrade/install the binary codecs package.
Go to http://www.mplayerhq.hu/dload.html
VDecoder init failed :(
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffdv] vfm: ffmpeg (FFmpeg DV decoder)
==========================================================================
alsa-init: using device default
alsa: 48000 Hz/2 channels/4 bpf/65536 bytes buffer/Signed 16 bit Little Endian
AO: [alsa] 48000Hz 2ch s16le (2 bytes per sample)
Starting playback...
VDec: vo config request - 720 x 480 (preferred colorspace: Planar 411P)
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
VDec: using Planar 411P as output csp (no 0)
Movie-Aspect is undefined - no prescaling applied.

SwScaler: BICUBIC scaler, from Planar 411P to Planar YV12 using MMX2
VO: [xv] 720x480 => 720x480 Planar YV12 
A:  22.5 V:  22.5 A-V:  0.013 ct:  0.007 674/674 15%  9%  1.2% 0 0 2% 

*** I get video output :)
-----------------------------------------------------------------

Thanks in advance.

- Tushar Bhatnagar

** Affects: mplayer (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

-- 
mplayer having trouble playing piped dv input
https://bugs.launchpad.net/bugs/113107
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