[Discuss-gnuradio] Re: Simple example gr-audio-portaudio

[Stephane Fillod]

On Mon, Mar 13, 2006 at 02:36:24AM -0500, Robert McGwier wrote:
> Stephane:
> 
> Can you give a modification of audio_copy.py and audio_play.py  that use 
> jack and portaudio?  I do not seem to get the required syntax.

Here we go. Cc'd to the list since this is going to be a FAQ :-)


Index: mono_tone.py
===================================================================
RCS file: /sources/gnuradio/gnuradio-examples/python/audio/mono_tone.py,v
retrieving revision 1.4
diff -u -b -B -w -p -r1.4 mono_tone.py
--- mono_tone.py        3 Mar 2006 01:26:52 -0000       1.4
+++ mono_tone.py        13 Mar 2006 07:49:56 -0000
@@ -21,7 +21,7 @@
 # 
 
 from gnuradio import gr
-from gnuradio import audio
+from gnuradio import audio_portaudio
 from gnuradio.eng_option import eng_option
 from optparse import OptionParser
 
@@ -44,7 +44,7 @@ class my_graph(gr.flow_graph):
         ampl = 0.1
 
         src0 = gr.sig_source_f (sample_rate, gr.GR_SIN_WAVE, 650, ampl)
-        dst = audio.sink (sample_rate, options.audio_output)
+        dst = audio_portaudio.sink (sample_rate, 1, options.audio_output)
         self.connect (src0, (dst, 0))
 
 
Index: multi_tone.py
===================================================================
RCS file: /sources/gnuradio/gnuradio-examples/python/audio/multi_tone.py,v
retrieving revision 1.3
diff -u -b -B -w -p -r1.3 multi_tone.py
--- multi_tone.py       10 Oct 2005 23:17:52 -0000      1.3
+++ multi_tone.py       13 Mar 2006 07:49:56 -0000
@@ -21,7 +21,7 @@
 # 
 
 from gnuradio import gr
-from gnuradio import audio
+from gnuradio import audio_portaudio
 from gnuradio.eng_option import eng_option
 from optparse import OptionParser
 
@@ -63,7 +63,7 @@ class my_graph(gr.flow_graph):
         # progression = (7, 11, 1, 5)
         progression = (7, 11, 1, 5, 9)
     
-        dst = audio.sink (sample_rate, options.audio_output)
+        dst = audio_portaudio.sink (sample_rate, 1, options.audio_output)
     
         max_chan = dst.input_signature().max_streams()
         if (max_chan == -1) or (max_chan > limit_channels):

-- 
Stephane