[PATCH v2] winealsa.drv: use separate port for each output device.

Andrew Eikum aeikum at codeweavers.com
Mon Dec 20 08:42:58 CST 2021


Whoops, I missed the ongoing discussion on the bug :) I will wait to
hear back if this revised version is working for you.

Andrew

On Mon, Dec 20, 2021 at 08:41:38AM -0600, Andrew Eikum wrote:
> Kakurasan, can you try out Jacek's patch?
> 
>     https://source.winehq.org/patches/data/222355
> 
> Thanks,
> Andrew
> 
> On Sun, Dec 19, 2021 at 03:20:28PM +0100, Jacek Konieczny wrote:
> > This fixes use of multiple MIDI outputs while keeping the flexibility of
> > proper ALSA sequencer port subscriptions.
> > 
> > Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52220
> > Signed-off-by: Jacek Konieczny <jajcus at jajcus.net>
> > ---
> > v2: do not fail on port connection errors. Fixes failures to open a
> > device when the port is already connected to the target, either by wine
> > or some external application
> > ---
> >  dlls/winealsa.drv/midi.c | 55 +++++++++++++++++++++++++++-------------
> >  1 file changed, 38 insertions(+), 17 deletions(-)
> > 
> > diff --git a/dlls/winealsa.drv/midi.c b/dlls/winealsa.drv/midi.c
> > index f2fe6307bb2..ac666b49d79 100644
> > --- a/dlls/winealsa.drv/midi.c
> > +++ b/dlls/winealsa.drv/midi.c
> > @@ -85,6 +85,7 @@ typedef struct {
> >      void*		lpExtra;	 	/* according to port type (MIDI, FM...), extra data when needed */
> >      MIDIOUTCAPSW        caps;
> >      snd_seq_addr_t      addr;
> > +    int                 port_out;
> >  } WINE_MIDIOUT;
> >  
> >  static WINE_MIDIIN	MidiInDev [MAX_MIDIINDRV ];
> > @@ -108,7 +109,6 @@ static	int		numOpenMidiSeq = 0;
> >  static	int		numStartedMidiIn = 0;
> >  
> >  static int port_in;
> > -static int port_out;
> >  
> >  static CRITICAL_SECTION crit_sect;   /* protects all MidiIn buffer queues */
> >  static CRITICAL_SECTION_DEBUG critsect_debug =
> > @@ -247,14 +247,6 @@ static int midiOpenSeq(BOOL create_client)
> >              /* Setting the client name is the only init to do */
> >              snd_seq_set_client_name(midiSeq, "WINE midi driver");
> >  
> > -            port_out = snd_seq_create_simple_port(midiSeq, "WINE ALSA Output",
> > -                    SND_SEQ_PORT_CAP_READ|SND_SEQ_PORT_CAP_SUBS_READ|SND_SEQ_PORT_CAP_SUBS_WRITE,
> > -                    SND_SEQ_PORT_TYPE_MIDI_GENERIC|SND_SEQ_PORT_TYPE_APPLICATION);
> > -            if (port_out < 0)
> > -                TRACE("Unable to create output port\n");
> > -            else
> > -                TRACE("Outport port %d created successfully\n", port_out);
> > -
> >              port_in = snd_seq_create_simple_port(midiSeq, "WINE ALSA Input",
> >                      SND_SEQ_PORT_CAP_WRITE|SND_SEQ_PORT_CAP_SUBS_READ|SND_SEQ_PORT_CAP_SUBS_WRITE,
> >                      SND_SEQ_PORT_TYPE_MIDI_GENERIC|SND_SEQ_PORT_TYPE_APPLICATION);
> > @@ -276,7 +268,6 @@ static int midiCloseSeq(void)
> >  {
> >      EnterCriticalSection(&midiSeqLock);
> >      if (--numOpenMidiSeq == 0) {
> > -	snd_seq_delete_simple_port(midiSeq, port_out);
> >  	snd_seq_delete_simple_port(midiSeq, port_in);
> >  	snd_seq_close(midiSeq);
> >  	midiSeq = NULL;
> > @@ -738,6 +729,8 @@ static DWORD modGetDevCaps(WORD wDevID, LPMIDIOUTCAPSW lpCaps, DWORD dwSize)
> >  static DWORD modOpen(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
> >  {
> >      int ret;
> > +    int port_out;
> > +    char port_out_name[32];
> >  
> >      TRACE("(%04X, %p, %08X);\n", wDevID, lpDesc, dwFlags);
> >      if (lpDesc == NULL) {
> > @@ -784,12 +777,37 @@ static DWORD modOpen(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
> >      MidiOutDev[wDevID].bufsize = 0x3FFF;
> >      MidiOutDev[wDevID].midiDesc = *lpDesc;
> >  
> > -    /* Connect our app port to the device port */
> >      EnterCriticalSection(&midiSeqLock);
> > -    ret = snd_seq_connect_to(midiSeq, port_out, MidiOutDev[wDevID].addr.client,
> > -                             MidiOutDev[wDevID].addr.port);
> > +    /* Create a port dedicated to a specific device */
> > +    /* Keep the old name without a number for the first port */
> > +    if (wDevID)
> > +	sprintf(port_out_name, "WINE ALSA Output #%d", wDevID);
> > +
> > +    port_out = snd_seq_create_simple_port(midiSeq, wDevID?port_out_name:"WINE ALSA Output",
> > +	    SND_SEQ_PORT_CAP_READ|SND_SEQ_PORT_CAP_SUBS_READ|SND_SEQ_PORT_CAP_SUBS_WRITE,
> > +	    SND_SEQ_PORT_TYPE_MIDI_GENERIC|SND_SEQ_PORT_TYPE_APPLICATION);
> > +
> > +    if (port_out < 0) {
> > +	TRACE("Unable to create output port\n");
> > +	MidiOutDev[wDevID].port_out = -1;
> > +    } else {
> > +	TRACE("Outport port %d created successfully\n", port_out);
> > +	MidiOutDev[wDevID].port_out = port_out;
> > +
> > +	/* Connect our app port to the device port */
> > +	ret = snd_seq_connect_to(midiSeq, port_out, MidiOutDev[wDevID].addr.client,
> > +	                         MidiOutDev[wDevID].addr.port);
> > +
> > +	/* usually will happen when the port is already connected */
> > +	/* other errors should not be fatal either */
> > +	if (ret < 0)
> > +	    WARN("Could not connect port %d to %d:%d: %s\n",
> > +		 wDevID, MidiOutDev[wDevID].addr.client,
> > +		 MidiOutDev[wDevID].addr.port, snd_strerror(ret));
> > +    }
> >      LeaveCriticalSection(&midiSeqLock);
> > -    if (ret < 0)
> > +
> > +    if (port_out < 0)
> >  	return MMSYSERR_NOTENABLED;
> >      
> >      TRACE("Output port :%d connected %d:%d\n",port_out,MidiOutDev[wDevID].addr.client,MidiOutDev[wDevID].addr.port);
> > @@ -825,7 +843,9 @@ static DWORD modClose(WORD wDevID)
> >      case MOD_MIDIPORT:
> >      case MOD_SYNTH:
> >          EnterCriticalSection(&midiSeqLock);
> > -        snd_seq_disconnect_to(midiSeq, port_out, MidiOutDev[wDevID].addr.client, MidiOutDev[wDevID].addr.port);
> > +        TRACE("Deleting port :%d, connected to %d:%d\n", MidiOutDev[wDevID].port_out, MidiOutDev[wDevID].addr.client, MidiOutDev[wDevID].addr.port);
> > +        snd_seq_delete_simple_port(midiSeq, MidiOutDev[wDevID].port_out);
> > +        MidiOutDev[wDevID].port_out = -1;
> >          LeaveCriticalSection(&midiSeqLock);
> >  	midiCloseSeq();
> >  	break;
> > @@ -870,7 +890,7 @@ static DWORD modData(WORD wDevID, DWORD dwParam)
> >              snd_seq_event_t event;
> >              snd_seq_ev_clear(&event);
> >              snd_seq_ev_set_direct(&event);
> > -            snd_seq_ev_set_source(&event, port_out);
> > +            snd_seq_ev_set_source(&event, MidiOutDev[wDevID].port_out);
> >              snd_seq_ev_set_subs(&event);
> >  	    
> >  	    switch (evt & 0xF0) {
> > @@ -1039,7 +1059,7 @@ static DWORD modLongData(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
> >          }
> >  	snd_seq_ev_clear(&event);
> >  	snd_seq_ev_set_direct(&event);
> > -	snd_seq_ev_set_source(&event, port_out);
> > +	snd_seq_ev_set_source(&event, MidiOutDev[wDevID].port_out);
> >  	snd_seq_ev_set_subs(&event);
> >  	snd_seq_ev_set_sysex(&event, lpMidiHdr->dwBufferLength + len_add, lpNewData ? lpNewData : lpData);
> >          EnterCriticalSection(&midiSeqLock);
> > @@ -1201,6 +1221,7 @@ static void ALSA_AddMidiPort(snd_seq_client_info_t* cinfo, snd_seq_port_info_t*
> >  	    MidiOutDev[MODM_NumDevs].caps.wNotes    = 16;
> >  	}
> >  	MidiOutDev[MODM_NumDevs].bEnabled    = TRUE;
> > +	MidiOutDev[MODM_NumDevs].port_out    = -1;
> >  
> >  	TRACE("MidiOut[%d]\tname='%s' techn=%d voices=%d notes=%d chnMsk=%04x support=%d\n"
> >              "\tALSA info: midi dev-type=%x, capa=0\n",
> > -- 
> > 2.25.1
> > 



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