[Bug 21655] New: MacOS: broken mixing in dsound8 tests + assertion failure

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=21655

           Summary: MacOS: broken mixing in dsound8 tests + assertion
                    failure
           Product: Wine
           Version: 1.1.38
          Platform: x86
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: directx-dsound
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: hoehle at users.sourceforge.net


Must set WINETEST_INTERACTIVE or use runtest -i to get this.

Ouch, my ears. OTOH, the interactive winmm/wave tests sound fine.
More precisely, all primary buffers of the form Nx24x1|2 or Nx32x1|2 produce
various forms of hissing or plain noise.
../../../tools/runtest -i -P wine -M dsound.dll -T ../../.. -p
dsound_test.exe.so dsound8.c
dsound8.c:624:   Testing a primary buffer at 96000x32x2 with a secondary buffer
at 11025x16x2
ds3d8.c:332:     Playing 1 second 440Hz tone at 11025x16x2
Assertion failed: (ptr1 < buflen), function DSOUND_BufPtrDiff, file mixer.c,
line 305.
wine: Assertion failed at address 0x0007:0x91c09f95 (thread 0009), starting
debugger...
Abort trap

The wave tests report that 32bit width is unsupported.  They also contain
comment that 24bit width is not tested because ALSA has trouble with it.  Yet
dsound tests it?

First I suspected this to be another instance of the broken
DSOUND_PrimarySetFormat known from bug #20056 or bug #19124.  OTOH, what
happens here is different: WaveOpen fails initially, then the MAPPER+ACM kicks
in and accepts to convert 24 or 32bit PCM to 16 => WaveOpen succeeds.
On Linux, the sound is far from correct too, but there's no crash.


With 24 or 32 bit tests outcomment in dsound8.c the only failure is:
dsound8.c:624:   Testing a primary buffer at 8000x16x2 with a secondary buffer
at 11025x16x2
ds3d8.c:332:     Playing 1 second 440Hz tone at 11025x16x2
ds3d8.c:517: Test failed: The sound played for 875 ms instead of 1000 ms
(and 8kHz indeed sounds strange, while the other frequencies are much better).

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