[mythtv-users] Nuvexport aspect ratio problem

frank s frank8205 at yahoo.com
Mon Feb 27 05:49:10 UTC 2006


I been working over the last few days to get some
recorded files archived to DVD.  When the original
files are played in mplayer they show with the
following parameters:

<--- Start console copy --->

MPlayer 1.0pre7try2-3.2.3 (C) 2000-2005 MPlayer Team
CPU: Intel  (Family: 8, Stepping: 1)
Detected cache-line size is 64 bytes
CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1
SSE2: 1


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...
Playing
/media/myth/recordings/2724_20060116160000_20060116163000.nuv.
MPEG-PS file format detected.
VIDEO:  MPEG2  1280x720  (aspect 3)  59.940 fps 
38810.4 kbps (4851.3 kbyte/s)
==========================================================================
Opening audio decoder: [liba52] AC3 decoding with
liba52
Using SSE optimized IMDCT transform
AC3: 2.0 (stereo)  48000 Hz  384.0 kbit/s
Using MMX optimized resampler
AUDIO: 48000 Hz, 2 ch, s16le, 384.0 kbit/25.00%
(ratio: 48000->192000)
Selected audio codec: [a52] afm:liba52 (AC3-liba52)
==========================================================================
vo: X11 running at 1360x768 with depth 24 and 32 bpp
(":0.0" => local display)
==========================================================================
Opening video decoder: [mpegpes] MPEG 1/2 Video
passthrough
VDec: vo config request - 1280 x 720 (preferred csp:
Mpeg PES)
Could not find matching colorspace - retrying with -vf
scale...
Opening video filter: [scale]
The selected video_out device is incompatible with
this codec.
VDecoder init failed :(
Opening video decoder: [libmpeg2] MPEG 1/2 Video
decoder libmpeg2-v0.4.0b
Selected video codec: [mpeg12] vfm:libmpeg2 (MPEG-1 or
2 (libmpeg2))
==========================================================================
Checking audio filter chain for 48000Hz/2ch/s16le ->
48000Hz/2ch/s16le...
AF_pre: 48000Hz/2ch/s16le
AO: [oss] 48000Hz 2ch s16le (2 bps)
Building audio filter chain for 48000Hz/2ch/s16le ->
48000Hz/2ch/s16le...
Starting playback...
VDec: vo config request - 1280 x 720 (preferred csp:
Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.78:1 - prescaling to correct movie
aspect.
VO: [xv] 1280x720 => 1280x720 Planar YV12  [fs] [zoom]

<--- End console copy --->

Now, after using nuvexport, mplayer shows the
following parameters:

<--- Start console copy --->

MPlayer 1.0pre7try2-3.2.3 (C) 2000-2005 MPlayer Team
CPU: Intel  (Family: 8, Stepping: 1)
Detected cache-line size is 64 bytes
CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1
SSE2: 1


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...
Playing /home/mythtv/The_Piano_Guy.mpg.
MPEG-PS file format detected.
VIDEO:  MPEG2  720x480  (aspect 2)  29.970 fps    0.0
kbps ( 0.0 kbyte/s)
==========================================================================
Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
AUDIO: 48000 Hz, 2 ch, s16le, 384.0 kbit/25.00%
(ratio: 48000->192000)
Selected audio codec: [mp3] afm:mp3lib (mp3lib MPEG
layer-2, layer-3)
==========================================================================
vo: X11 running at 1360x768 with depth 24 and 32 bpp
(":0.0" => local display)
==========================================================================
Opening video decoder: [mpegpes] MPEG 1/2 Video
passthrough
VDec: vo config request - 720 x 480 (preferred csp:
Mpeg PES)
Could not find matching colorspace - retrying with -vf
scale...
Opening video filter: [scale]
The selected video_out device is incompatible with
this codec.
VDecoder init failed :(
Opening video decoder: [libmpeg2] MPEG 1/2 Video
decoder libmpeg2-v0.4.0b
Selected video codec: [mpeg12] vfm:libmpeg2 (MPEG-1 or
2 (libmpeg2))
==========================================================================
Checking audio filter chain for 48000Hz/2ch/s16le ->
48000Hz/2ch/s16le...
AF_pre: 48000Hz/2ch/s16le
AO: [oss] 48000Hz 2ch s16le (2 bps)
Building audio filter chain for 48000Hz/2ch/s16le ->
48000Hz/2ch/s16le...
Starting playback...
VDec: vo config request - 720 x 480 (preferred csp:
Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.33:1 - prescaling to correct movie
aspect.
VO: [xv] 720x480 => 720x540 Planar YV12  [fs] [zoom]

<--- End console copy --->

It seems to show that the movie aspect has been
altered  from 16:9 to 4:3.  I have installed the
,nuvexportrc file in the /home/user directory and
changed the line to force_aspect = 16:9.  I have also
verified that the .nuvexportrc file is being read and
acted upon by changing the file naming to use
underscores in place of spaces and the new filenames
reflect that setting.  At this point I am at a loss as
to what to do to correct the aspect ratio of the
exported files.  Any thoughts on what steps can be
taken would be greatly appreciated.

Frank


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