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[Cs-dev] Jack module

Date2013-09-03 20:57
FromAndres Cabrera
Subject[Cs-dev] Jack module
AttachmentsNone  None  
Hi,

I've just pushed a fix to the rtjack.c module. It seemed there were some wrong things there, but I don't know the code that well to know if it's the right fix. It still seems to me that there are still some writes that shouldn't be there, the appending of the channel numbers for connection (shouldn't the string be copied with extra space?). Can someone check?

Cheers,
Andrés

Date2013-09-03 22:27
FromVictor Lazzarini
SubjectRe: [Cs-dev] Jack module
I am not sure what is/was wrong, maybe you can give more details. Did it crash? As far as I can remember the appending was right, but I am not completely sure.

On 3 Sep 2013, at 20:57, Andres Cabrera wrote:

> Hi,
> 
> I've just pushed a fix to the rtjack.c module. It seemed there were some wrong things there, but I don't know the code that well to know if it's the right fix. It still seems to me that there are still some writes that shouldn't be there, the appending of the channel numbers for connection (shouldn't the string be copied with extra space?). Can someone check?
> 
> Cheers,
> Andrés
> ------------------------------------------------------------------------------
> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
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Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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Date2013-09-03 22:29
FromSteven Yi
SubjectRe: [Cs-dev] Jack module
I'm not sure if it was the same issue, but I had forgotten that I had
seen some crashes with Jack too.  It had to do with looking for Jack
inputs to list in Blue's configuration dialog.  Somehow that crashed,
but looking for Jack outputs was alright.  Not sure how helpful that
information is; I'll try to remember to pull and test with Blue.

On Tue, Sep 3, 2013 at 10:27 PM, Victor Lazzarini
 wrote:
> I am not sure what is/was wrong, maybe you can give more details. Did it crash? As far as I can remember the appending was right, but I am not completely sure.
>
> On 3 Sep 2013, at 20:57, Andres Cabrera wrote:
>
>> Hi,
>>
>> I've just pushed a fix to the rtjack.c module. It seemed there were some wrong things there, but I don't know the code that well to know if it's the right fix. It still seems to me that there are still some writes that shouldn't be there, the appending of the channel numbers for connection (shouldn't the string be copied with extra space?). Can someone check?
>>
>> Cheers,
>> Andrés
>> ------------------------------------------------------------------------------
>> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
>> Discover the easy way to master current and previous Microsoft technologies
>> and advance your career. Get an incredible 1,500+ hours of step-by-step
>> tutorial videos with LearnDevNow. Subscribe today and save!
>> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk_______________________________________________
>> Csound-devel mailing list
>> Csound-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.: +353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
>
>
>
>
> ------------------------------------------------------------------------------
> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
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Date2013-09-03 22:35
FromAndres Cabrera
SubjectRe: [Cs-dev] Jack module
AttachmentsNone  None  
Yes, it was crashing for me. Here's the diff:

(I removed querying the devices on startup, I think it should only try to connect if you have provided a connection device)

@@ -488,54 +488,36 @@ static void openJackStreams(RtJackGlobals *p)
     /* connect ports if requested */
     if (p->inputEnabled) {
       char *dev, *sp;
-      {
-        int i,n = listDevices(csound,NULL,0);
-        CS_AUDIODEVICE *devs = (CS_AUDIODEVICE *)
-          malloc(n*sizeof(CS_AUDIODEVICE));
-        listDevices(csound,devs,0);
-        for(i=0; i < n; i++)
-          csound->Message(csound, " %d: %s (%s)\n",
-                          i, devs[i].device_id, devs[i].device_name);
-        dev = devs[0].device_name;
-        free(devs);
-      }
-      if(p->inDevName != NULL)
-        dev = p->inDevName;
-      sp = strchr(dev, '\0');
-      if(!isalpha(dev[0])) dev++;
+      dev = p->inDevName;
 
-      for (i = 0; i < p->nChannels; i++) {
-        sprintf(sp, "%d", i + 1);
-        if (UNLIKELY(jack_connect(p->client, dev,
-                                  jack_port_name(p->inPorts[i])) != 0)) {
-          rtJack_Error(csound, -1, Str("error connecting input ports"));
+      if (dev) {
+        sp = strchr(dev, '\0');
+        if(!isalpha(dev[0])) dev++;
+
+        for (i = 0; i < p->nChannels; i++) {
+          sprintf(sp, "%d", i + 1);
+          if (UNLIKELY(jack_connect(p->client, dev,
+                                    jack_port_name(p->inPorts[i])) != 0)) {
+              rtJack_Error(csound, -1, Str("error connecting input ports"));
+          }
         }
+        *sp = (char) 0;
       }
-      *sp = (char) 0;
     }
-    if (p->outputEnabled){
+    if (p->outputEnabled) {
       char *dev, *sp;
-      {
-        int i,n = listDevices(csound,NULL,1);
-        CS_AUDIODEVICE *devs = (CS_AUDIODEVICE *)
-          malloc(n*sizeof(CS_AUDIODEVICE));
-        listDevices(csound,devs,1);
-        for(i=0; i < n; i++)
-          csound->Message(csound, " %d: %s (%s)\n",
-                          i, devs[i].device_id, devs[i].device_name);
-        dev = devs[0].device_name;
-        free(devs);
-      }
-      if(p->outDevName != NULL) dev = p->outDevName;
-      sp = strchr(dev, '\0');
-      if(!isalpha(dev[0])) dev++;
-      for (i = 0; i < p->nChannels; i++) {
-        sprintf(sp, "%d", i + 1);
-        if (jack_connect(p->client, jack_port_name(p->outPorts[i]), dev) != 0) {
-          rtJack_Error(csound, -1, Str("error connecting output ports"));
+      dev = p->outDevName;
+      if (dev) {
+        sp = strchr(dev, '\0');
+        if(!isalpha(dev[0])) dev++;
+        for (i = 0; i < p->nChannels; i++) {
+          sprintf(sp, "%d", i + 1);
+          if (jack_connect(p->client, jack_port_name(p->outPorts[i]), dev) != 0) {
+            rtJack_Error(csound, -1, Str("error connecting output ports"));
+          }
         }
+        *sp = (char) 0;
       }
-      *sp = (char) 0;
     }
     /* stream is now active */
     p->jackState = 0;


And what looks suspicious to me is:
sprintf(sp, "%d", i + 1);

This is actually writing to the command line flag (I think), maybe a new string should be allocated and used here?

Cheers,
Andrés



On Tue, Sep 3, 2013 at 2:27 PM, Victor Lazzarini <Victor.Lazzarini@nuim.ie> wrote:
I am not sure what is/was wrong, maybe you can give more details. Did it crash? As far as I can remember the appending was right, but I am not completely sure.

On 3 Sep 2013, at 20:57, Andres Cabrera wrote:

> Hi,
>
> I've just pushed a fix to the rtjack.c module. It seemed there were some wrong things there, but I don't know the code that well to know if it's the right fix. It still seems to me that there are still some writes that shouldn't be there, the appending of the channel numbers for connection (shouldn't the string be copied with extra space?). Can someone check?
>
> Cheers,
> Andrés
> ------------------------------------------------------------------------------
> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> Discover the easy way to master current and previous Microsoft technologies
> and advance your career. Get an incredible 1,500+ hours of step-by-step
> tutorial videos with LearnDevNow. Subscribe today and save!
> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk_______________________________________________
> Csound-devel mailing list
> Csound-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/csound-devel

Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




------------------------------------------------------------------------------
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Date2013-09-03 22:36
FromAndres Cabrera
SubjectRe: [Cs-dev] Jack module
AttachmentsNone  None  
Hi Steven,

I was having problems when running with jack. Listing seemed OK, although I'm not sure if I tried listing inputs.
The problem could be related, though.

Cheers,
Andrés


On Tue, Sep 3, 2013 at 2:29 PM, Steven Yi <stevenyi@gmail.com> wrote:
I'm not sure if it was the same issue, but I had forgotten that I had
seen some crashes with Jack too.  It had to do with looking for Jack
inputs to list in Blue's configuration dialog.  Somehow that crashed,
but looking for Jack outputs was alright.  Not sure how helpful that
information is; I'll try to remember to pull and test with Blue.

On Tue, Sep 3, 2013 at 10:27 PM, Victor Lazzarini
<Victor.Lazzarini@nuim.ie> wrote:
> I am not sure what is/was wrong, maybe you can give more details. Did it crash? As far as I can remember the appending was right, but I am not completely sure.
>
> On 3 Sep 2013, at 20:57, Andres Cabrera wrote:
>
>> Hi,
>>
>> I've just pushed a fix to the rtjack.c module. It seemed there were some wrong things there, but I don't know the code that well to know if it's the right fix. It still seems to me that there are still some writes that shouldn't be there, the appending of the channel numbers for connection (shouldn't the string be copied with extra space?). Can someone check?
>>
>> Cheers,
>> Andrés
>> ------------------------------------------------------------------------------
>> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
>> Discover the easy way to master current and previous Microsoft technologies
>> and advance your career. Get an incredible 1,500+ hours of step-by-step
>> tutorial videos with LearnDevNow. Subscribe today and save!
>> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk_______________________________________________
>> Csound-devel mailing list
>> Csound-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.: +353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
>
>
>
>
> ------------------------------------------------------------------------------
> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> Discover the easy way to master current and previous Microsoft technologies
> and advance your career. Get an incredible 1,500+ hours of step-by-step
> tutorial videos with LearnDevNow. Subscribe today and save!
> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk
> _______________________________________________
> Csound-devel mailing list
> Csound-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/csound-devel

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Date2013-09-03 22:51
FromVictor Lazzarini
SubjectRe: [Cs-dev] Jack module
To me, listing the devices was useful, why remove it? Also, if you don't give a device, I had made it connect to the default output,
did you take that out?

On 3 Sep 2013, at 22:35, Andres Cabrera wrote:

> Yes, it was crashing for me. Here's the diff:
> 
> (I removed querying the devices on startup, I think it should only try to connect if you have provided a connection device)
> 
> @@ -488,54 +488,36 @@ static void openJackStreams(RtJackGlobals *p)
>      /* connect ports if requested */
>      if (p->inputEnabled) {
>        char *dev, *sp;
> -      {
> -        int i,n = listDevices(csound,NULL,0);
> -        CS_AUDIODEVICE *devs = (CS_AUDIODEVICE *)
> -          malloc(n*sizeof(CS_AUDIODEVICE));
> -        listDevices(csound,devs,0);
> -        for(i=0; i < n; i++)
> -          csound->Message(csound, " %d: %s (%s)\n",
> -                          i, devs[i].device_id, devs[i].device_name);
> -        dev = devs[0].device_name;
> -        free(devs);
> -      }
> -      if(p->inDevName != NULL)
> -        dev = p->inDevName;
> -      sp = strchr(dev, '\0');
> -      if(!isalpha(dev[0])) dev++;
> +      dev = p->inDevName;
>  
> -      for (i = 0; i < p->nChannels; i++) {
> -        sprintf(sp, "%d", i + 1);
> -        if (UNLIKELY(jack_connect(p->client, dev,
> -                                  jack_port_name(p->inPorts[i])) != 0)) {
> -          rtJack_Error(csound, -1, Str("error connecting input ports"));
> +      if (dev) {
> +        sp = strchr(dev, '\0');
> +        if(!isalpha(dev[0])) dev++;
> +
> +        for (i = 0; i < p->nChannels; i++) {
> +          sprintf(sp, "%d", i + 1);
> +          if (UNLIKELY(jack_connect(p->client, dev,
> +                                    jack_port_name(p->inPorts[i])) != 0)) {
> +              rtJack_Error(csound, -1, Str("error connecting input ports"));
> +          }
>          }
> +        *sp = (char) 0;
>        }
> -      *sp = (char) 0;
>      }
> -    if (p->outputEnabled){
> +    if (p->outputEnabled) {
>        char *dev, *sp;
> -      {
> -        int i,n = listDevices(csound,NULL,1);
> -        CS_AUDIODEVICE *devs = (CS_AUDIODEVICE *)
> -          malloc(n*sizeof(CS_AUDIODEVICE));
> -        listDevices(csound,devs,1);
> -        for(i=0; i < n; i++)
> -          csound->Message(csound, " %d: %s (%s)\n",
> -                          i, devs[i].device_id, devs[i].device_name);
> -        dev = devs[0].device_name;
> -        free(devs);
> -      }
> -      if(p->outDevName != NULL) dev = p->outDevName;
> -      sp = strchr(dev, '\0');
> -      if(!isalpha(dev[0])) dev++;
> -      for (i = 0; i < p->nChannels; i++) {
> -        sprintf(sp, "%d", i + 1);
> -        if (jack_connect(p->client, jack_port_name(p->outPorts[i]), dev) != 0) {
> -          rtJack_Error(csound, -1, Str("error connecting output ports"));
> +      dev = p->outDevName;
> +      if (dev) {
> +        sp = strchr(dev, '\0');
> +        if(!isalpha(dev[0])) dev++;
> +        for (i = 0; i < p->nChannels; i++) {
> +          sprintf(sp, "%d", i + 1);
> +          if (jack_connect(p->client, jack_port_name(p->outPorts[i]), dev) != 0) {
> +            rtJack_Error(csound, -1, Str("error connecting output ports"));
> +          }
>          }
> +        *sp = (char) 0;
>        }
> -      *sp = (char) 0;
>      }
>      /* stream is now active */
>      p->jackState = 0;
> 
> 
> And what looks suspicious to me is:
> sprintf(sp, "%d", i + 1);
> 
> This is actually writing to the command line flag (I think), maybe a new string should be allocated and used here?
> 
> Cheers,
> Andrés
> 
> 
> 
> On Tue, Sep 3, 2013 at 2:27 PM, Victor Lazzarini  wrote:
> I am not sure what is/was wrong, maybe you can give more details. Did it crash? As far as I can remember the appending was right, but I am not completely sure.
> 
> On 3 Sep 2013, at 20:57, Andres Cabrera wrote:
> 
> > Hi,
> >
> > I've just pushed a fix to the rtjack.c module. It seemed there were some wrong things there, but I don't know the code that well to know if it's the right fix. It still seems to me that there are still some writes that shouldn't be there, the appending of the channel numbers for connection (shouldn't the string be copied with extra space?). Can someone check?
> >
> > Cheers,
> > Andrés
> > ------------------------------------------------------------------------------
> > Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> > Discover the easy way to master current and previous Microsoft technologies
> > and advance your career. Get an incredible 1,500+ hours of step-by-step
> > tutorial videos with LearnDevNow. Subscribe today and save!
> > http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk_______________________________________________
> > Csound-devel mailing list
> > Csound-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/csound-devel
> 
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.: +353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
> 
> 
> 
> 
> ------------------------------------------------------------------------------
> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> Discover the easy way to master current and previous Microsoft technologies
> and advance your career. Get an incredible 1,500+ hours of step-by-step
> tutorial videos with LearnDevNow. Subscribe today and save!
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> 
> ------------------------------------------------------------------------------
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Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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Date2013-09-03 23:02
FromVictor Lazzarini
SubjectRe: [Cs-dev] Jack module
well that is supposed to write to the end of p->outDevName, and there is space for it

 /* NOTE: this assumes max. 999 channels (the current limit is 255) */
      nBytes = strlen(parm->devName) + 4;

so the write is OK. But maybe it should not happen if p->outDevName is NULL.

On 3 Sep 2013, at 22:35, Andres Cabrera wrote:

> sprintf(sp, "%d", i + 1);

Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




------------------------------------------------------------------------------
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Date2013-09-03 23:07
FromAndres Cabrera
SubjectRe: [Cs-dev] Jack module
AttachmentsNone  None  
Ah, OK, I suspected there might be something like this.

The crashing I had, occured here:

-      {
-        int i,n = listDevices(csound,NULL,1);
-        CS_AUDIODEVICE *devs = (CS_AUDIODEVICE *)
-          malloc(n*sizeof(CS_AUDIODEVICE));
-        listDevices(csound,devs,1);
-        for(i=0; i < n; i++)
-          csound->Message(csound, " %d: %s (%s)\n",
-                          i, devs[i].device_id, devs[i].device_name);
-        dev = devs[0].device_name;
-        free(devs);
-      }

As soon as you free devs, what happens to dev is unpredictable, so I was getting garbage and crashes right after that. So I'll just fix that, and put back the listing of devices.

Cheers,
Andres


On Tue, Sep 3, 2013 at 3:02 PM, Victor Lazzarini <Victor.Lazzarini@nuim.ie> wrote:
well that is supposed to write to the end of p->outDevName, and there is space for it

 /* NOTE: this assumes max. 999 channels (the current limit is 255) */
      nBytes = strlen(parm->devName) + 4;

so the write is OK. But maybe it should not happen if p->outDevName is NULL.

On 3 Sep 2013, at 22:35, Andres Cabrera wrote:

> sprintf(sp, "%d", i + 1);

Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




------------------------------------------------------------------------------
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Date2013-09-03 23:16
FromVictor Lazzarini
SubjectRe: [Cs-dev] Jack module
it makes sense now. Thanks.
On 3 Sep 2013, at 23:07, Andres Cabrera wrote:

> Ah, OK, I suspected there might be something like this.
> 
> The crashing I had, occured here:
> 
> -      {
> -        int i,n = listDevices(csound,NULL,1);
> -        CS_AUDIODEVICE *devs = (CS_AUDIODEVICE *)
> -          malloc(n*sizeof(CS_AUDIODEVICE));
> -        listDevices(csound,devs,1);
> -        for(i=0; i < n; i++)
> -          csound->Message(csound, " %d: %s (%s)\n",
> -                          i, devs[i].device_id, devs[i].device_name);
> -        dev = devs[0].device_name;
> -        free(devs);
> -      }
> 
> As soon as you free devs, what happens to dev is unpredictable, so I was getting garbage and crashes right after that. So I'll just fix that, and put back the listing of devices.
> 
> Cheers,
> Andres
> 
> 
> On Tue, Sep 3, 2013 at 3:02 PM, Victor Lazzarini  wrote:
> well that is supposed to write to the end of p->outDevName, and there is space for it
> 
>  /* NOTE: this assumes max. 999 channels (the current limit is 255) */
>       nBytes = strlen(parm->devName) + 4;
> 
> so the write is OK. But maybe it should not happen if p->outDevName is NULL.
> 
> On 3 Sep 2013, at 22:35, Andres Cabrera wrote:
> 
> > sprintf(sp, "%d", i + 1);
> 
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.: +353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
> 
> 
> 
> 
> ------------------------------------------------------------------------------
> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> Discover the easy way to master current and previous Microsoft technologies
> and advance your career. Get an incredible 1,500+ hours of step-by-step
> tutorial videos with LearnDevNow. Subscribe today and save!
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> https://lists.sourceforge.net/lists/listinfo/csound-devel
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Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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Date2013-09-03 23:26
FromAndres Cabrera
SubjectRe: [Cs-dev] Jack module
AttachmentsNone  None  
OK, I've put things back, but I commented out:
if(!isalpha(dev[0])) dev++;

It doesn't make sense to me why you would want to skip the start of the name... Is it for whitespace maybe?

Cheers,
Andrés


On Tue, Sep 3, 2013 at 3:16 PM, Victor Lazzarini <Victor.Lazzarini@nuim.ie> wrote:
it makes sense now. Thanks.
On 3 Sep 2013, at 23:07, Andres Cabrera wrote:

> Ah, OK, I suspected there might be something like this.
>
> The crashing I had, occured here:
>
> -      {
> -        int i,n = listDevices(csound,NULL,1);
> -        CS_AUDIODEVICE *devs = (CS_AUDIODEVICE *)
> -          malloc(n*sizeof(CS_AUDIODEVICE));
> -        listDevices(csound,devs,1);
> -        for(i=0; i < n; i++)
> -          csound->Message(csound, " %d: %s (%s)\n",
> -                          i, devs[i].device_id, devs[i].device_name);
> -        dev = devs[0].device_name;
> -        free(devs);
> -      }
>
> As soon as you free devs, what happens to dev is unpredictable, so I was getting garbage and crashes right after that. So I'll just fix that, and put back the listing of devices.
>
> Cheers,
> Andres
>
>
> On Tue, Sep 3, 2013 at 3:02 PM, Victor Lazzarini <Victor.Lazzarini@nuim.ie> wrote:
> well that is supposed to write to the end of p->outDevName, and there is space for it
>
>  /* NOTE: this assumes max. 999 channels (the current limit is 255) */
>       nBytes = strlen(parm->devName) + 4;
>
> so the write is OK. But maybe it should not happen if p->outDevName is NULL.
>
> On 3 Sep 2013, at 22:35, Andres Cabrera wrote:
>
> > sprintf(sp, "%d", i + 1);
>
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.: +353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
>
>
>
>
> ------------------------------------------------------------------------------
> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> Discover the easy way to master current and previous Microsoft technologies
> and advance your career. Get an incredible 1,500+ hours of step-by-step
> tutorial videos with LearnDevNow. Subscribe today and save!
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> _______________________________________________
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> https://lists.sourceforge.net/lists/listinfo/csound-devel
>
> ------------------------------------------------------------------------------
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> and advance your career. Get an incredible 1,500+ hours of step-by-step
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Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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Date2013-09-03 23:32
FromVictor Lazzarini
SubjectRe: [Cs-dev] Jack module
I think it could be the colon (-odac:....) or possiblu whitespace.


On 3 Sep 2013, at 23:26, Andres Cabrera wrote:

> OK, I've put things back, but I commented out:
> if(!isalpha(dev[0])) dev++;
> 
> It doesn't make sense to me why you would want to skip the start of the name... Is it for whitespace maybe?
> 
> Cheers,
> Andrés
> 
> 
> On Tue, Sep 3, 2013 at 3:16 PM, Victor Lazzarini  wrote:
> it makes sense now. Thanks.
> On 3 Sep 2013, at 23:07, Andres Cabrera wrote:
> 
> > Ah, OK, I suspected there might be something like this.
> >
> > The crashing I had, occured here:
> >
> > -      {
> > -        int i,n = listDevices(csound,NULL,1);
> > -        CS_AUDIODEVICE *devs = (CS_AUDIODEVICE *)
> > -          malloc(n*sizeof(CS_AUDIODEVICE));
> > -        listDevices(csound,devs,1);
> > -        for(i=0; i < n; i++)
> > -          csound->Message(csound, " %d: %s (%s)\n",
> > -                          i, devs[i].device_id, devs[i].device_name);
> > -        dev = devs[0].device_name;
> > -        free(devs);
> > -      }
> >
> > As soon as you free devs, what happens to dev is unpredictable, so I was getting garbage and crashes right after that. So I'll just fix that, and put back the listing of devices.
> >
> > Cheers,
> > Andres
> >
> >
> > On Tue, Sep 3, 2013 at 3:02 PM, Victor Lazzarini  wrote:
> > well that is supposed to write to the end of p->outDevName, and there is space for it
> >
> >  /* NOTE: this assumes max. 999 channels (the current limit is 255) */
> >       nBytes = strlen(parm->devName) + 4;
> >
> > so the write is OK. But maybe it should not happen if p->outDevName is NULL.
> >
> > On 3 Sep 2013, at 22:35, Andres Cabrera wrote:
> >
> > > sprintf(sp, "%d", i + 1);
> >
> > Dr Victor Lazzarini
> > Senior Lecturer
> > Dept. of Music
> > NUI Maynooth Ireland
> > tel.: +353 1 708 3545
> > Victor dot Lazzarini AT nuim dot ie
> >
> >
> >
> >
> > ------------------------------------------------------------------------------
> > Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> > Discover the easy way to master current and previous Microsoft technologies
> > and advance your career. Get an incredible 1,500+ hours of step-by-step
> > tutorial videos with LearnDevNow. Subscribe today and save!
> > http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk
> > _______________________________________________
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> > Csound-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/csound-devel
> >
> > ------------------------------------------------------------------------------
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> > Discover the easy way to master current and previous Microsoft technologies
> > and advance your career. Get an incredible 1,500+ hours of step-by-step
> > tutorial videos with LearnDevNow. Subscribe today and save!
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> > Csound-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/csound-devel
> 
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.: +353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
> 
> 
> 
> 
> ------------------------------------------------------------------------------
> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> Discover the easy way to master current and previous Microsoft technologies
> and advance your career. Get an incredible 1,500+ hours of step-by-step
> tutorial videos with LearnDevNow. Subscribe today and save!
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> 
> ------------------------------------------------------------------------------
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> and advance your career. Get an incredible 1,500+ hours of step-by-step
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Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




------------------------------------------------------------------------------
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Date2013-09-03 23:36
FromVictor Lazzarini
SubjectRe: [Cs-dev] Jack module
There was a reason... I can't remember exactly, but I think there was a device that started with whitespace, so that was the only way
to connect. I think it is no harm to keep this in.

On 3 Sep 2013, at 23:32, Victor Lazzarini wrote:

> I think it could be the colon (-odac:....) or possiblu whitespace.
> 
> 
> On 3 Sep 2013, at 23:26, Andres Cabrera wrote:
> 
>> OK, I've put things back, but I commented out:
>> if(!isalpha(dev[0])) dev++;
>> 
>> It doesn't make sense to me why you would want to skip the start of the name... Is it for whitespace maybe?
>> 
>> Cheers,
>> Andrés
>> 
>> 
>> On Tue, Sep 3, 2013 at 3:16 PM, Victor Lazzarini  wrote:
>> it makes sense now. Thanks.
>> On 3 Sep 2013, at 23:07, Andres Cabrera wrote:
>> 
>>> Ah, OK, I suspected there might be something like this.
>>> 
>>> The crashing I had, occured here:
>>> 
>>> -      {
>>> -        int i,n = listDevices(csound,NULL,1);
>>> -        CS_AUDIODEVICE *devs = (CS_AUDIODEVICE *)
>>> -          malloc(n*sizeof(CS_AUDIODEVICE));
>>> -        listDevices(csound,devs,1);
>>> -        for(i=0; i < n; i++)
>>> -          csound->Message(csound, " %d: %s (%s)\n",
>>> -                          i, devs[i].device_id, devs[i].device_name);
>>> -        dev = devs[0].device_name;
>>> -        free(devs);
>>> -      }
>>> 
>>> As soon as you free devs, what happens to dev is unpredictable, so I was getting garbage and crashes right after that. So I'll just fix that, and put back the listing of devices.
>>> 
>>> Cheers,
>>> Andres
>>> 
>>> 
>>> On Tue, Sep 3, 2013 at 3:02 PM, Victor Lazzarini  wrote:
>>> well that is supposed to write to the end of p->outDevName, and there is space for it
>>> 
>>> /* NOTE: this assumes max. 999 channels (the current limit is 255) */
>>>      nBytes = strlen(parm->devName) + 4;
>>> 
>>> so the write is OK. But maybe it should not happen if p->outDevName is NULL.
>>> 
>>> On 3 Sep 2013, at 22:35, Andres Cabrera wrote:
>>> 
>>>> sprintf(sp, "%d", i + 1);
>>> 
>>> Dr Victor Lazzarini
>>> Senior Lecturer
>>> Dept. of Music
>>> NUI Maynooth Ireland
>>> tel.: +353 1 708 3545
>>> Victor dot Lazzarini AT nuim dot ie
>>> 
>>> 
>>> 
>>> 
>>> ------------------------------------------------------------------------------
>>> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
>>> Discover the easy way to master current and previous Microsoft technologies
>>> and advance your career. Get an incredible 1,500+ hours of step-by-step
>>> tutorial videos with LearnDevNow. Subscribe today and save!
>>> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk
>>> _______________________________________________
>>> Csound-devel mailing list
>>> Csound-devel@lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>>> 
>>> ------------------------------------------------------------------------------
>>> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
>>> Discover the easy way to master current and previous Microsoft technologies
>>> and advance your career. Get an incredible 1,500+ hours of step-by-step
>>> tutorial videos with LearnDevNow. Subscribe today and save!
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>>> Csound-devel mailing list
>>> Csound-devel@lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>> 
>> Dr Victor Lazzarini
>> Senior Lecturer
>> Dept. of Music
>> NUI Maynooth Ireland
>> tel.: +353 1 708 3545
>> Victor dot Lazzarini AT nuim dot ie
>> 
>> 
>> 
>> 
>> ------------------------------------------------------------------------------
>> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
>> Discover the easy way to master current and previous Microsoft technologies
>> and advance your career. Get an incredible 1,500+ hours of step-by-step
>> tutorial videos with LearnDevNow. Subscribe today and save!
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>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>> 
>> ------------------------------------------------------------------------------
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>> Discover the easy way to master current and previous Microsoft technologies
>> and advance your career. Get an incredible 1,500+ hours of step-by-step
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>> Csound-devel mailing list
>> Csound-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/csound-devel
> 
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.: +353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
> 
> 
> 
> 
> ------------------------------------------------------------------------------
> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
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Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




------------------------------------------------------------------------------
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Date2013-09-04 22:13
FromAndres Cabrera
SubjectRe: [Cs-dev] Jack module
AttachmentsNone  None  
OK, in any case, I've put this back, but fixed the previous problem.

Cheers,
Andrés


On Tue, Sep 3, 2013 at 3:36 PM, Victor Lazzarini <Victor.Lazzarini@nuim.ie> wrote:
There was a reason... I can't remember exactly, but I think there was a device that started with whitespace, so that was the only way
to connect. I think it is no harm to keep this in.

On 3 Sep 2013, at 23:32, Victor Lazzarini wrote:

> I think it could be the colon (-odac:....) or possiblu whitespace.
>
>
> On 3 Sep 2013, at 23:26, Andres Cabrera wrote:
>
>> OK, I've put things back, but I commented out:
>> if(!isalpha(dev[0])) dev++;
>>
>> It doesn't make sense to me why you would want to skip the start of the name... Is it for whitespace maybe?
>>
>> Cheers,
>> Andrés
>>
>>
>> On Tue, Sep 3, 2013 at 3:16 PM, Victor Lazzarini <Victor.Lazzarini@nuim.ie> wrote:
>> it makes sense now. Thanks.
>> On 3 Sep 2013, at 23:07, Andres Cabrera wrote:
>>
>>> Ah, OK, I suspected there might be something like this.
>>>
>>> The crashing I had, occured here:
>>>
>>> -      {
>>> -        int i,n = listDevices(csound,NULL,1);
>>> -        CS_AUDIODEVICE *devs = (CS_AUDIODEVICE *)
>>> -          malloc(n*sizeof(CS_AUDIODEVICE));
>>> -        listDevices(csound,devs,1);
>>> -        for(i=0; i < n; i++)
>>> -          csound->Message(csound, " %d: %s (%s)\n",
>>> -                          i, devs[i].device_id, devs[i].device_name);
>>> -        dev = devs[0].device_name;
>>> -        free(devs);
>>> -      }
>>>
>>> As soon as you free devs, what happens to dev is unpredictable, so I was getting garbage and crashes right after that. So I'll just fix that, and put back the listing of devices.
>>>
>>> Cheers,
>>> Andres
>>>
>>>
>>> On Tue, Sep 3, 2013 at 3:02 PM, Victor Lazzarini <Victor.Lazzarini@nuim.ie> wrote:
>>> well that is supposed to write to the end of p->outDevName, and there is space for it
>>>
>>> /* NOTE: this assumes max. 999 channels (the current limit is 255) */
>>>      nBytes = strlen(parm->devName) + 4;
>>>
>>> so the write is OK. But maybe it should not happen if p->outDevName is NULL.
>>>
>>> On 3 Sep 2013, at 22:35, Andres Cabrera wrote:
>>>
>>>> sprintf(sp, "%d", i + 1);
>>>
>>> Dr Victor Lazzarini
>>> Senior Lecturer
>>> Dept. of Music
>>> NUI Maynooth Ireland
>>> tel.: +353 1 708 3545
>>> Victor dot Lazzarini AT nuim dot ie
>>>
>>>
>>>
>>>
>>> ------------------------------------------------------------------------------
>>> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
>>> Discover the easy way to master current and previous Microsoft technologies
>>> and advance your career. Get an incredible 1,500+ hours of step-by-step
>>> tutorial videos with LearnDevNow. Subscribe today and save!
>>> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk
>>> _______________________________________________
>>> Csound-devel mailing list
>>> Csound-devel@lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>>>
>>> ------------------------------------------------------------------------------
>>> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
>>> Discover the easy way to master current and previous Microsoft technologies
>>> and advance your career. Get an incredible 1,500+ hours of step-by-step
>>> tutorial videos with LearnDevNow. Subscribe today and save!
>>> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk_______________________________________________
>>> Csound-devel mailing list
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>>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>>
>> Dr Victor Lazzarini
>> Senior Lecturer
>> Dept. of Music
>> NUI Maynooth Ireland
>> tel.: +353 1 708 3545
>> Victor dot Lazzarini AT nuim dot ie
>>
>>
>>
>>
>> ------------------------------------------------------------------------------
>> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
>> Discover the easy way to master current and previous Microsoft technologies
>> and advance your career. Get an incredible 1,500+ hours of step-by-step
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>>
>> ------------------------------------------------------------------------------
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>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.: +353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
>
>
>
>
> ------------------------------------------------------------------------------
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Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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