[Bug 22261] Love: "device already allocated" handling - requires patching winealsa.drv or using esound backend

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=22261

Raymond <superquad.vortex2 at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |superquad.vortex2 at gmail.com

--- Comment #1 from Raymond <superquad.vortex2 at gmail.com> 2010-10-27 03:28:59 CDT ---
To allow multiple open , you need to modify WINE_WAVEDEV so that each PCM
stream have its own parameter 

     WAVEFORMATPCMEX             format;
     snd_pcm_t*                  pcm;                    /* handle to ALSA
playback device */
     snd_pcm_hw_params_t *       hw_params;
     DWORD                       dwBufferSize;           /* size of whole ALSA
buffer in bytes */
     LPWAVEHDR                   lpQueuePtr;             /* start of queued
WAVEHDRs (waiting to be notified) */
     LPWAVEHDR                   lpPlayPtr;              /* start of not yet
fully played buffers */
     LPWAVEHDR                   lpLoopPtr;              /* pointer of first
buffer in loop, if any */
     DWORD                       dwLoops;                /* private copy of
loop counter */
     DWORD                       dwPlayedTotal;          /* number of bytes
actually played since opening */
     DWORD                       dwWrittenTotal;         /* number of bytes
written to ALSA buffer since opening */



     DWORD                       dwPeriodSize;           /* size of OSS buffer
period */
     DWORD                       dwTotalRecorded;

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