44149 – mixxx-1.2.1 far from responsive

Bug 44149 - mixxx-1.2.1 far from responsive

Summary: mixxx-1.2.1 far from responsive

Status:	RESOLVED UPSTREAM

Alias:	None

Product:	Gentoo Linux
Classification:	Unclassified
Component:	Current packages (show other bugs)
Hardware:	x86 Linux

Importance:	High normal (vote)
Assignee:	Gentoo Sound Team

URL:
Whiteboard:
Keywords:

Depends on:
Blocks:

Reported:	2004-03-09 09:03 UTC by Evert
Modified:	2004-03-13 03:07 UTC (History)
CC List:	0 users

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Package list:
Runtime testing required:	---

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Description Evert 2004-03-09 09:03:22 UTC

I tried mixxx-1.2.1 and found it's far from responsive on an AMD Athlon XP 2600+.
The problem is that mixxx lets X eat A LOT of cpu-time.

After starting mixxx (no samples loaded), X already eats about 8% cpu-time.
After having loaded 1 sample it eats about 13% cpu-time.
Starting this sample makes X eat about 37% cpu-time.
Putting this sample on pauze makes X eat about 40% cpu-time.
Loading and playing the second sample makes X eat about 76% cpu-time.

It looks like mixxx is constantly updating the waveform on the screen,
no matter if it's playing or in pauze state.
When the waveform is small (no bass) it eats about 15% cpu-time per sample.
When the waveform is big (lot of bass) it eats about 38% cpu-time per sample.


Reproducible: Always
Steps to Reproduce:
1. ACCEPT_KEYWORDS="~x86" emerge mixxx
2. mixxx
3. load and play 2 (hardcore) ogg files (one in player 1 and player 2)
4. wait until both waveforms get big (lot of bass)

Actual Results:  
mixxx is not responsive at all on an AMD Athlon XP 2600+.


Expected Results:  
It should be responsive
- in pauze state, no matter how slow or fast the system
- in playing state on fast systems like an AMD Athlon XP 2600+

Gentoo Base System version 1.4.3.13
Portage 2.0.50-r1 (default-x86-1.4, gcc-3.3.2, glibc-2.3.2-r9, 2.4.25)
=================================================================
System uname: 2.4.25 i686 AMD Athlon(tm) XP 2600+
distcc 2.12.1 i686-pc-linux-gnu (protocols 1 and 2) (default port 3632) [disabled]
ccache version 2.3 [enabled]
Autoconf: sys-devel/autoconf-2.58-r1
Automake: sys-devel/automake-1.7.7
ACCEPT_KEYWORDS="x86"
AUTOCLEAN="yes"
CFLAGS="-O2 -march=athlon-xp -pipe"
CHOST="i686-pc-linux-gnu"
COMPILER="gcc3"
CXXFLAGS="-O2 -march=athlon-xp -pipe"
FEATURES="autoaddcvs ccache sandbox"
MAKEOPTS="-j2"
USE="X apm arts avi berkdb bonobo cdr crypt cups directfb encode esd foomaticdb
gdbm gif gnome gpm gtk gtk2 imlib java jpeg ldap libg++ libwww mad mikmod motif
mozilla mpeg mysql ncurses oggvorbis opengl oss pam pdflib perl png python
quicktime readline ruby sdl slang ssl svga tcpd truetype x86 xml2 xmms xv zlib"

Comment 1 Jeremy Huddleston (RETIRED) gentoo-dev

2004-03-13 03:07:18 UTC

This doesn't seem to be a gentoo problem... Please file a bug report with the developers upstream at http://mixxx.sourceforge.net/.  If you could include a link to that upstream bug report here, I can include whatever fix tehy employ when it is resolved...