qmmp / Tickets / #1007 QMMP 1.3.3 still hangs on play/pause

trialuser02 - 2019-07-16

Start qmmp from command line, reproduce bug and show output.

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Blake Leverett - 2019-07-16

[blake@ccbox ~]$qmmp
QMMPStarter: removed invalid socket file
QmmpPluginCache: loaded plugin libpulseaudio.so
QmmpUiPluginCache: loaded plugin libhotkey.so
QmmpUiPluginCache: loaded plugin libskinned.so
MainWindow: detected wm: Openbox
Skin: using :/glare
Skin: cannot find region.txt. Transparency disabled
WindowSystem: setting sticky state of window 0x3000006 to false.
InputSource: using file transport
QmmpPluginCache: loaded plugin libaac.so
QmmpPluginCache: loaded plugin libflac.so
QmmpPluginCache: loaded plugin libmpeg.so
QmmpPluginCache: loaded plugin libvorbis.so
QmmpAudioEngine: selected decoder: mpeg
DecoderMPEGFactory: using MAD decoder
DecoderMAD: Xing header found
DecoderMAD: LAME header found
DecoderMAD: samples to skip: 576, padding: 791
DecoderMAD: Total time: 257802
ReplayGain: disabled
Dithering: disabled
OutputWriter: [pulse] 44100 Hz, {FL,FR}, float ==> 44100 Hz, {FL,FR}, s16le
StateHandler: Current state: Buffering; previous state: Stopped
StateHandler: Current state: Playing; previous state: Buffering
DecoderMAD: 13149 bytes skipped
===== metadata ======
ARTIST = València Ska
TITLE = Ki Sap - Palestina
ALBUMARTIST =
ALBUM = Recopilatori Valencia Ska
COMMENT = http://www.jamendo.com Attribution-Noncommercial-No Derivative Works 3.0
GENRE =
YEAR =
TRACK =
DISCNUMBER =

BITRATE = 188
SAMPLERATE = 44100
CHANNELS = 2
BITS_PER_SAMPLE = 32
FORMAT_NAME = MPEG-1 layer 3
DECODER = mpeg
FILE_SIZE = 6064963

REPLAYGAIN_TRACK_GAIN = 0.000000
REPLAYGAIN_TRACK_PEAK = 0.000000
REPLAYGAIN_ALBUM_GAIN = 0.000000
REPLAYGAIN_ALBUM_PEAK = 0.000000

DURATION = 257802
== end of metadata ==
HotkeyManager: [F6] pressed
StateHandler: Current state: Paused; previous state: Playing
void QmmpSettings::sync()
HotkeyManager: [F6] pressed
StateHandler: Current state: Playing; previous state: Paused
HotkeyManager: [F6] pressed
StateHandler: Current state: Paused; previous state: Playing
HotkeyManager: [F6] pressed
StateHandler: Current state: Playing; previous state: Paused
[ NOW NON-RESPONSIVE ]
^C

(I use F6 as the play/pause shortcut)

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Blake Leverett - 2019-07-16

Also, by pressing the play/pause buttons in the GUI, also hangs:

[blake@cpbox ~]$qmmp
QMMPStarter: removed invalid socket file
QmmpPluginCache: loaded plugin libpulseaudio.so
QmmpUiPluginCache: loaded plugin libhotkey.so
QmmpUiPluginCache: loaded plugin libskinned.so
MainWindow: detected wm: Openbox
Skin: using :/glare
Skin: cannot find region.txt. Transparency disabled
WindowSystem: setting sticky state of window 0x3000006 to false.
InputSource: using file transport
QmmpPluginCache: loaded plugin libaac.so
QmmpPluginCache: loaded plugin libflac.so
QmmpPluginCache: loaded plugin libmpeg.so
QmmpPluginCache: loaded plugin libvorbis.so
QmmpAudioEngine: selected decoder: mpeg
DecoderMPEGFactory: using MAD decoder
DecoderMAD: Xing header found
DecoderMAD: LAME header found
DecoderMAD: samples to skip: 576, padding: 791
DecoderMAD: Total time: 257802
ReplayGain: disabled
Dithering: disabled
OutputWriter: [pulse] 44100 Hz, {FL,FR}, float ==> 44100 Hz, {FL,FR}, s16le
StateHandler: Current state: Buffering; previous state: Stopped
StateHandler: Current state: Playing; previous state: Buffering
DecoderMAD: 13149 bytes skipped
===== metadata ======
ARTIST = València Ska
TITLE = Ki Sap - Palestina
ALBUMARTIST =
ALBUM = Recopilatori Valencia Ska
COMMENT = http://www.jamendo.com Attribution-Noncommercial-No Derivative Works 3.0
GENRE =
YEAR =
TRACK =
DISCNUMBER =

BITRATE = 188
SAMPLERATE = 44100
CHANNELS = 2
BITS_PER_SAMPLE = 32
FORMAT_NAME = MPEG-1 layer 3
DECODER = mpeg
FILE_SIZE = 6064963

REPLAYGAIN_TRACK_GAIN = 0.000000
REPLAYGAIN_TRACK_PEAK = 0.000000
REPLAYGAIN_ALBUM_GAIN = 0.000000
REPLAYGAIN_ALBUM_PEAK = 0.000000

DURATION = 257802
== end of metadata ==
StateHandler: Current state: Paused; previous state: Playing
StateHandler: Current state: Playing; previous state: Paused
StateHandler: Current state: Paused; previous state: Playing
StateHandler: Current state: Playing; previous state: Paused
StateHandler: Current state: Paused; previous state: Playing
StateHandler: Current state: Playing; previous state: Paused

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trialuser02 - 2019-07-19

Try to recompile with attached patch

pulse.diff

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Good news. I compiled the package from the tarfile, and everything works. The Gentoo version also compiles the same source, but it has use-flags that let you turn off unneeded features. So leaving one of those out is likely causing the problem. I'll file a bug with Gentoo for this.

For the record, Gentoo (by default) disables these options. Likely one of them is causing the hanging problem:

> HTTP support ..........................disabled
> Wave support ..........................disabled
> FFmpeg/Libav support ..................disabled
> CUE sheet support .....................disabled
> Mplayer support .......................disabled
> Archive support .......................disabled
> LADSPA Host ...........................disabled
> Crossfade .............................disabled
> Extra Stereo ..........................disabled
> Analyzer ..............................disabled
> Scrobbler .............................disabled
> Tray support ..........................disabled
> Notifier support ......................disabled
> Lyrics support ........................disabled
> HAL support ...........................disabled
> GNOME/Cinnamon hotkey support .........disabled
> Cover manager .........................disabled

trialuser02 - 2019-07-19

But what about gcc compile flags? It would be good to compare default cmake flags and flags from /etc/portage/make.conf

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Blake Leverett - 2019-07-19

Here is what I have for flags from 'emerge --info'

CFLAGS="-march=native -O2 -pipe" CXXFLAGS="-march=native -O2 -pipe" FCFLAGS="-O2 -pipe" FFLAGS="-O2 -pipe" LDFLAGS="-Wl,-O1 -Wl,--as-needed"

I tried various combinations of USE flags, no luck, then I noticed that the Gentoo ebuild sets "-DUSE_HAL=OFF", which seems to be the problem. Without this line, (HAL enabled), any build I make works without hanging. My Gentoo laptop has QMMP and it doesn't hang, so it may not be that simple.
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Blake Leverett - 2019-08-08

I was incorrect. QMMP still hangs on play/pause, just less than it was. I have tried the patch above and will get back with the results in about a week.

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Blake Leverett - 2019-08-08

Never mind. I re-compiled with the patch and ran it for a while, but qmmp still hangs on play/pause.

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trialuser02 - 2019-08-09

Try this patch https://sourceforge.net/p/qmmp-dev/code/9009/

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Blake Leverett - 2019-08-09

OK, I'm trying it. Will report results.
Results: it hangs, after three play/pause cycles.

Last edit: Blake Leverett 2019-08-09

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trialuser02 - 2019-11-03

Try to reproduce with alsa output and null output and show output.

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Justinas Narusevicius - 2020-12-10

Same problem: while unpausing both mp3's and flacs regardless if they are from local drive or samba share qmmp hangs with no output.
I can reproduce this by playing any song and then clicking "pause/unpause" button very fast. Sometimes it takes about 30 clicks sometimes it hangs on 3rd or 4th resume.

Tested with:
QMMP version: 1.5.0-svn-r9580
Compiled with Qt version: 5.15.2
Using Qt version: 5.15.2

This only happens when:

Skinned user interface is enabled.

Audio output is set to PulseAudio/ALSA

This does NOT happen when:

Simple user interface is enabled

Audio output is set to PulseAudio/ALSA

This also does NOT happen when:

Skinned user interface is enabled.

Audio output is set to Null

Furthermore i can't reproduce it after nuking configuration via:

$ mv .qmmp .qmmp_broken

Everything starts working as expected regardless of output/interface selected.

If i restore the broken configuration via:

$ rm -r .qmmp $ cp -R .qmmp_broken .qmmp

The bug is back again.

Heres the broken configuration:
https://files.catbox.moe/jx02k5.bz2

I only discovered qmmp about half a year ago so this configuration is probably created by a release in the 1.4.x series.

My guess its a bug in the skinned interface that only gets triggered when specific non default config options are set.

I can run qmmp under gdb if you can point me on how to build it with debug symbols and the corresponding gdb commands.

I've built the svn version via this PKGBUILD:
https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=qmmp-svn
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Justinas Narusevicius - 2020-12-10

Gah for some reason the file host renamed tar.bz2 to just bz2.
Attaching the same archive here.

qmmp_broken.tar.bz2

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Justinas Narusevicius - 2020-12-10

Gah for some reason the file host renamed tar.bz2 to just bz2.
Attaching the same archive here.

qmmp_broken.tar.bz2

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trialuser02 - 2020-12-12

status: New --> Accepted

assigned_to: trialuser02
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trialuser02 - 2020-12-12

Try to compile this revision: [r9582]

🎉
1

Related

Commit: [r9582]

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Justinas Narusevicius - 2020-12-12

The mentioned commit fixes the issue. Thank you!
Just out of sheer curiosity what setting combination caused this?
Happy holidays!

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trialuser02 - 2020-12-12

status: Accepted --> Fixed
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trialuser02 - 2020-12-12

Looks like "auto" mode for equalizer causes this issue. Only skinned ui has this feature. Thank you!

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QMMP 1.3.3 still hangs on play/pause

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#1007 QMMP 1.3.3 still hangs on play/pause

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