[Bug 27087] Space Empires: Star Fury hangs with sound enabled (Alsa full hw. acceleration)

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=27087

--- Comment #8 from Jörg Höhle <hoehle at users.sourceforge.net> 2011-05-24 16:10:39 CDT ---
Could you replace Starfury Demo\Sounds\UIButtonPress.wav with something that
plays longer (> 0.5 seconds) and retry?
Please replace all short .wav file from the app with long ones and retry.

Also, what happens if you set win.ini[Sounds] to one of those very short files
and issue the MCI sound command a few times?

Your log shows that ALSA is given initial data but it seems to never start
playing, although Wine sets start_threshold to 1 in waveout.c:wodOpen.

Your log reveals this selection of parameters
ALSA_TraceParameters access=MMAP_INTERLEAVED
ALSA_TraceParameters format=S16_LE
ALSA_TraceParameters channels=2
ALSA_TraceParameters buffer_size=5644
ALSA_TraceParameters rate=44100
ALSA_TraceParameters buffer_time=127981 # near 120000 Wine asked for
ALSA_TraceParameters periods_min=5 periods_max=7
ALSA_TraceParameters period_size=940
ALSA_TraceParameters period_time=21333 # near 22000

Note that 21333 is exactly 1024 samples at 48000 per second -- an indication
that dmix is resampling from 44100 to 48000?

The first (and only) write yields:
wodWrite (0, 0x1401f20, 00000020);
wodPlayer_ProcessMessages Received WINE_WM_HEADER 1401f20
wodPlayer_FeedDSP Setting time to elapse for 0x1401f20 to 1088
wodPlayer_WriteMaxFrags Writing wavehdr 0x1401f20.0[1088]
wodPlayer_WriteMaxFrags dwWrittenTotal=1088
wodPlayer_NotifyCompletions still playing 0x1401f20 (1088/0)
wodPlayer waiting 6ms (21,6)

The last 2 lines repeat N times as Wine wakes up every 6ms but never sees
completion from ALSA.
What does snd_pcm_avail_update() yield in wodPlayer_FeedDSP?
Perhaps Wine should get an underrun because it does not send more data?

Of course, all this ALSA specific stuff does not answer the question why your
machine hangs and mine (lspci -v: Intel Corporation 82801F... (ICH6 Family)
AC'97 Audio Controller (rev 03)) does not.

What happens if you replace snd_pcm_avail_update() in
winealsa/waveout.c:wodPlayer_FeedDSP with snd_pcm_avail()?

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