Re: [CM] snd-nogui - graph->ps in batch file?

[bil]

Ah -- much nicer!  Thanks!

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Re: [CM] snd-nogui - graph->ps in batch file?

[Tito Latini]

On Wed, Jun 01, 2016 at 10:45:35AM -0700, b...@ccrma.stanford.edu wrote:
> I think in the gtk script case, the gtk event
> queue is not being completely drained, so
> this code at least gets a squished graph:
> 
> (open-sound "oboe.snd")
> (set! (show-full-duration) #t)
> (set! (transform-graph?) #t)
> (set! (time-graph?) #f)
> 
> (do ((i 0 (+ i 1)))
> ((or (= i 1)
>(= (gtk_events_pending) 0)))
>   (gtk_main_iteration))
> 
> (set! (transform-graph-type) graph-as-sonogram)
> (set! (fft-log-frequency) #t)
> (update-transform-graph)
> (graph->ps "hi.eps")
> 
> (exit)
> 
> 
> This seems like several different bugs -- hooboy.

Hey Bill, gtk_widget_get_allocated_width() and gtk_widget_get_allocated_height()
return 1 in batch mode and display_channel_data_with_size() is bypassed.

The follow minimal patch is a possible fix.

The values for width and height are copied from a printf in `snd_motif -b ...'.
Largest values, slowest processing.


diff -ur snd-16~/snd-chn.c snd-16/snd-chn.c
--- snd-16~/snd-chn.c   2016-06-01 19:37:39.322878464 +0200
+++ snd-16/snd-chn.c2016-06-01 19:37:45.044806529 +0200
@@ -4378,6 +4378,15 @@
 {
   width = widget_width(channel_graph(cp));
   height = widget_height(channel_graph(cp));
+
+#if USE_GTK
+  if (ss->batch_mode)
+{
+  width = 583;
+  height = 374;
+}
+#endif
   if ((height > 5) && (width > 5))
display_channel_data_with_size(cp, width, height, 0, just_fft, 
just_lisp, just_time, use_incoming_cr);
 }
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Re: [CM] snd-nogui - graph->ps in batch file?

[andersvi]

Hi Tito.

T> you have success with update-transform-graph before graph->ps

Right, this works in a '--with-gui' Snd.  Thanks.

But it seems not to help a '--without-gui' Snd much.

-anders

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Re: [CM] snd-nogui - graph->ps in batch file?

[Tito Latini]

I forgot to say that I'm using snd compiled with motif.

snd_motif -b prior_script.scm  ; OK
snd_gtk -b prior_script.scm; FAIL
snd_nogui prior_script.scm ; FAIL
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Re: [CM] snd-nogui - graph->ps in batch file?

[Tito Latini]

me:

> bla bla bla update-transform-graph before graph->ps bla bla [...]

show-full-duration #t is also useful
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Re: [CM] snd-nogui - graph->ps in batch file?

[Tito Latini]

On Wed, Jun 01, 2016 at 10:27:01AM +0200, ander...@notam02.no wrote:
> Hi.
> 
> Sparked by a question on linux-audio-users just now, i wanted to check
> if i could create sonograms and similar by scripting Snd (which could be
> very useful), but the .eps-file Snd leaves is empty.
> 
> Evaluating the same list of calls step by step works fine.
> 
> Putting in some (sleep 3) calls along the route didn't help either.
> 
> Is this achievable?
> 
> Here's what i'm trying:
> 
> (open-sound "mono-10s.wav")
> (set! (transform-graph?) #t)
> (set! (time-graph?) #f)
> (set! (transform-graph-type) graph-as-sonogram)
> (set! (fft-log-frequency) #t)
> (graph->ps "mono-10s-sonogram.eps")
> (exit)

you have success with update-transform-graph before graph->ps

(open-sound "mono-10s.wav")
(set! (transform-graph?) #t)
(set! (time-graph?) #f)
(set! (transform-graph-type) graph-as-sonogram)
(set! (fft-log-frequency) #t)
(update-transform-graph)
(graph->ps "mono-10s-sonogram.eps")
(exit)
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[CM] snd-nogui - graph->ps in batch file?

[andersvi]

Hi.

Sparked by a question on linux-audio-users just now, i wanted to check
if i could create sonograms and similar by scripting Snd (which could be
very useful), but the .eps-file Snd leaves is empty.

Evaluating the same list of calls step by step works fine.

Putting in some (sleep 3) calls along the route didn't help either.

Is this achievable?

Here's what i'm trying:

(open-sound "mono-10s.wav")
(set! (transform-graph?) #t)
(set! (time-graph?) #f)
(set! (transform-graph-type) graph-as-sonogram)
(set! (fft-log-frequency) #t)
(graph->ps "mono-10s-sonogram.eps")
(exit)

-anders

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