Bug#459431: with Depth 16, blank display with playing video file
On Thu, 21 Feb 2008 00:40:54 -0500
"Alex Deucher" <alexdeucher@gmail.com> wrote:
> What sort of video are you trying to play? is it a packed or planar
> format? if it's planar does the following help?
> mplayer -vf yuy2
wmv(ASF file format), avi(AVI file format), mov(Quicktime/MOV file format),
mpg(MPEG-PS file format), and ogg(Ogg file format). I think most of them
are planar and others are packed.
for example...
henrich@stigma:~/Documents/My Video$ mplayer -vo x11 qt4_music_video_VCD.mpg
MPlayer dev-SVN-rUNKNOWN-4.2.3 (C) 2000-2007 MPlayer Team
CPU: Intel(R) Pentium(R) M processor 1300MHz (Family: 6, Model: 9, Stepping: 5)
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 qt4_music_video_VCD.mpg.
MPEG-PS file format detected.
VIDEO: MPEG1 352x288 (aspect 8) 25.000 fps 1150.0 kbps (143.8 kbyte/s)
==========================================================================
Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
VDec: vo config request - 352 x 288 (preferred colorspace: 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.
Try appending the scale filter to your filter list,
e.g. -vf spp,scale instead of -vf spp.
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))
==========================================================================
==========================================================================
Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
AUDIO: 44100 Hz, 2 ch, s16le, 224.0 kbit/15.87% (ratio: 28000->176400)
Selected audio codec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3)
==========================================================================
AO: [alsa] 48000Hz 2ch s16le (2 bytes per sample)
Starting playback...
VDec: vo config request - 352 x 288 (preferred colorspace: Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.30:1 - prescaling to correct movie aspect.
VO: [x11] 352x288 => 376x288 Planar YV12
[swscaler @ 0x8925378]SwScaler: using unscaled yuv420p -> bgr565 special converter
it works.
and "mplayer -vf yuy2" shows blank screen.
henrich@stigma:~/Documents/My Video$ mplayer -vf yuy2 qt4_music_video_VCD.mpg MPlayer dev-SVN-rUNKNOWN-4.2.3 (C) 2000-2007 MPlayer Team
CPU: Intel(R) Pentium(R) M processor 1300MHz (Family: 6, Model: 9, Stepping: 5)
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 qt4_music_video_VCD.mpg.
MPEG-PS file format detected.
VIDEO: MPEG1 352x288 (aspect 8) 25.000 fps 1150.0 kbps (143.8 kbyte/s)
open: No such file or directory
[MGA] Couldn't open: /dev/mga_vid
open: No such file or directory
[MGA] Couldn't open: /dev/mga_vid
[VO_TDFXFB] This driver only supports the 3Dfx Banshee, Voodoo3 and Voodoo 5.
s3fb: Couldn't map S3 registers: Operation not permitted
Opening video filter: [yuy2]
==========================================================================
Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
VDec: vo config request - 352 x 288 (preferred colorspace: 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.
Try appending the scale filter to your filter list,
e.g. -vf spp,scale instead of -vf spp.
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))
==========================================================================
==========================================================================
Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
AUDIO: 44100 Hz, 2 ch, s16le, 224.0 kbit/15.87% (ratio: 28000->176400)
Selected audio codec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3)
==========================================================================
AO: [alsa] 48000Hz 2ch s16le (2 bytes per sample)
Starting playback...
VDec: vo config request - 352 x 288 (preferred colorspace: Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.30:1 - prescaling to correct movie aspect.
VO: [xv] 352x288 => 376x288 Packed YUY2
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