colorspace problem creating video from png sequence using mf://

[Manfred Georg]

Binary package hint: mplayer

When playing a video of a sequence of png images, the colorspace is incorrectly converted, resulting in incorrect colors.

command:
mplayer mf://*.png
mplayer mf://*.png -mf type=png -vf scale,format=yv12,scale
and everything else I tried.

the same problems are present in mencoder.

This is fixed in the current snapshot of mplayer (2010-02-10)

Manfred

OUTPUT of current package:

MPlayer UNKNOWN-4.4.1 (C) 2000-2009 MPlayer Team
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 mf://*.png.
MF file format detected.
[mf] search expr: *.png
[mf] number of files: 22 (176)
[demux_mf] file type was not set! trying 'type=png'...
VIDEO: [MPNG] 0x0 24bpp 25.000 fps 0.0 kbps ( 0.0 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] Can't open /dev/fb0: No such file or directory.
[VO_3DFX] Unable to open /dev/3dfx.
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Unsupported PixelFormat -1
Selected video codec: [ffpng] vfm: ffmpeg (FFmpeg PNG)
==========================================================================
Audio: no sound
Starting playback...
VDec: vo config request - 960 x 540 (preferred colorspace: RGB 24-bit)
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
VDec: using RGB 24-bit as output csp (no 5)
Movie-Aspect is undefined - no prescaling applied.
SwScaler: reducing / aligning filtersize 1 -> 4
SwScaler: reducing / aligning filtersize 1 -> 4
SwScaler: reducing / aligning filtersize 1 -> 1
SwScaler: reducing / aligning filtersize 9 -> 8
[swscaler @ 0x7fcc68098680]BICUBIC scaler, from rgb24 to yuv420p using MMX2
[swscaler @ 0x7fcc68098680]using 4-tap MMX scaler for horizontal luminance scaling
[swscaler @ 0x7fcc68098680]using 4-tap MMX scaler for horizontal chrominance scaling
[swscaler @ 0x7fcc68098680]using 1-tap MMX "scaler" for vertical scaling (YV12 like)
[swscaler @ 0x7fcc68098680]960x540 -> 960x540
VO: [xv] 960x540 => 960x540 Planar YV12
V: 0.8 22/ 22 18% 11% 0.0% 0 0

Exiting... (End of file)

OUTPUT of current mplayer snapshot (which gives correct output)

MPlayer SVN-r30531-4.4.1 (C) 2000-2010 MPlayer Team

Playing mf://*.png.
MF file format detected.
[mf] search expr: *.png
[mf] number of files: 22 (176)
[demux_mf] file type was not set! trying 'type=png'...
VIDEO: [MPNG] 0x0 24bpp 25.000 fps 0.0 kbps ( 0.0 kbyte/s)
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffpng] vfm: ffmpeg (FFmpeg PNG)
==========================================================================
Audio: no sound
Starting playback...
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
Movie-Aspect is undefined - no prescaling applied.
[swscaler @ 0xdf8760]using unscaled rgb24 -> bgra special converter
VO: [x11] 960x540 => 960x540 BGRA
[VD_FFMPEG] DRI failure. ??,?% 0 0
V: 0.8 22/ 22 19% 14% 0.0% 0 0

Exiting... (End of file)

ProblemType: Bug
Architecture: amd64
Date: Wed Mar 31 14:36:42 2010
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
NonfreeKernelModules: nvidia
Package: mplayer 2:1.0~rc3+svn20090426-1ubuntu10.1
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-19.56-generic
RelatedPackageVersions:
 libavcodec52 4:0.5+svn20090706-2ubuntu2
 libavcodec-extra-52 N/A
SourcePackage: mplayer
Uname: Linux 2.6.31-19-generic x86_64
UserConf: # Write your default config options here!
system: distro = Ubuntu, architecture = x86_64, kernel = 2.6.31-19-generic

[madbiologist (me-again)]

Official support for Ubuntu 9.10 "Karmic Koala" has ended. Is this problem still occurring on Ubuntu 13.04 "Raring Ringtail"?

[Manfred Georg (tharkban)]

I doubt it is still occurring, but I'm not going to try and verify. Seeing
as this bug is 3.5 years old, I'm guessing you can close it out.

Manfred

 On Sat, Sep 7, 2013 at 11:35 PM, madbiologist <email address hidden>wrote:

> Official support for Ubuntu 9.10 "Karmic Koala" has ended. Is this
> problem still occurring on Ubuntu 13.04 "Raring Ringtail"?
>
> ** Changed in: mplayer (Ubuntu)
> Status: New => Incomplete
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/552787
>
> Title:
> colorspace problem creating video from png sequence using mf://
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/mplayer/+bug/552787/+subscriptions
>