vocoder: clean up examples for 3.8

Minor updates to the vocoder examples, namely swapping out the selector block, but also enabling audio source instead of wav file fixes #2531
author: Josh Morman <jmorman@perspectalabs.com> 2019-07-02 14:22:42 -0400
committer: Martin Braun <martin.braun@ettus.com> 2019-07-04 11:24:22 -0700
commit: 2f2bdff97b2ec90672dd76d3f5a40eb6eb9d4efb (patch)
tree: 50acae9726ed94cd851baa0ec89e772630b8bacd /gr-vocoder/examples
parent: 9e1245035299277ac5361329a039c9a943f88fe0 (diff)
2 files changed, 527 insertions, 1091 deletions
diff --git a/gr-vocoder/examples/grfreedv.grc b/gr-vocoder/examples/grfreedv.grc
index dc8594eee9..25865df36c 100644
--- a/gr-vocoder/examples/grfreedv.grc
+++ b/gr-vocoder/examples/grfreedv.grc
@@ -4,7 +4,7 @@ options:
     category: Custom
     cmake_opt: ''
     comment: ''
-    copyright: '2016,2019 Free Software Foundation, Inc.'
+    copyright: 2016,2019 Free Software Foundation, Inc.
     description: A FreeDV Modulator
     gen_cmake: 'On'
     gen_linking: dynamic
@@ -67,7 +67,7 @@ blocks:
     ok_to_block: 'True'
     samp_rate: samp_rate
   states:
-    coordinate: [792, 316.0]
+    coordinate: [1152, 220.0]
     rotation: 0
     state: enabled
 - name: audio_source_0
@@ -76,16 +76,16 @@ blocks:
     affinity: ''
     alias: ''
     comment: ''
-    device_name: hw:2,0
+    device_name: ''
     maxoutbuf: '0'
     minoutbuf: '0'
     num_outputs: '1'
     ok_to_block: 'True'
     samp_rate: '48000'
   states:
-    coordinate: [16, 325]
+    coordinate: [8, 300.0]
     rotation: 0
-    state: disabled
+    state: enabled
 - name: blocks_float_to_short_0
   id: blocks_float_to_short
   parameters:
@@ -97,7 +97,7 @@ blocks:
     scale: '32768'
     vlen: '1'
   states:
-    coordinate: [256, 228]
+    coordinate: [456, 220.0]
     rotation: 0
     state: enabled
 - name: blocks_short_to_float_0
@@ -111,7 +111,7 @@ blocks:
     scale: '32768'
     vlen: '1'
   states:
-    coordinate: [736, 228]
+    coordinate: [1008, 220.0]
     rotation: 0
     state: enabled
 - name: blocks_wavfile_source_0
@@ -126,9 +126,9 @@ blocks:
     nchan: '1'
     repeat: 'True'
   states:
-    coordinate: [24, 221]
+    coordinate: [120, 164.0]
     rotation: 0
-    state: enabled
+    state: disabled
 - name: rational_resampler_xxx_0
   id: rational_resampler_xxx
   parameters:
@@ -143,9 +143,9 @@ blocks:
     taps: ''
     type: fff
   states:
-    coordinate: [216, 303]
+    coordinate: [232, 276.0]
     rotation: 0
-    state: disabled
+    state: enabled
 - name: vocoder_freedv_rx_ss_0
   id: vocoder_freedv_rx_ss
   parameters:
@@ -159,7 +159,7 @@ blocks:
     squelch_enable: 'True'
     squelch_thresh: squelch
   states:
-    coordinate: [568, 92.0]
+    coordinate: [816, 196.0]
     rotation: 0
     state: enabled
 - name: vocoder_freedv_tx_ss_0
@@ -176,7 +176,7 @@ blocks:
     tx_bpf_val: 'True'
     txt_msg: '''GNU Radio'''
   states:
-    coordinate: [360, 84.0]
+    coordinate: [608, 188.0]
     rotation: 0
     state: enabled
 
diff --git a/gr-vocoder/examples/loopback-gsmfr.grc b/gr-vocoder/examples/loopback-gsmfr.grc
index f1c0e06bd6..3caebe8f57 100644
--- a/gr-vocoder/examples/loopback-gsmfr.grc
+++ b/gr-vocoder/examples/loopback-gsmfr.grc
@@ -1,1078 +1,514 @@
-<?xml version='1.0' encoding='ASCII'?>
-<flow_graph>
-  <timestamp>Fri Mar  7 16:29:26 2014</timestamp>
-  <block>
-    <key>options</key>
-    <param>
-      <key>id</key>
-      <value>loopback_gsmfr</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>title</key>
-      <value>GSM Full-Rate 06.10 Codec Looback Test</value>
-    </param>
-    <param>
-      <key>author</key>
-      <value>Martin Braun</value>
-    </param>
-    <param>
-      <key>description</key>
-      <value>An example how to use the GSM-FR Vocoder</value>
-    </param>
-    <param>
-      <key>window_size</key>
-      <value>1280, 1024</value>
-    </param>
-    <param>
-      <key>generate_options</key>
-      <value>qt_gui</value>
-    </param>
-    <param>
-      <key>category</key>
-      <value>Custom</value>
-    </param>
-    <param>
-      <key>run_options</key>
-      <value>prompt</value>
-    </param>
-    <param>
-      <key>run</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>max_nouts</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>realtime_scheduling</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(0, -1)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>48000</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(186, 0)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>scale</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>2**12</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(301, -1)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>qtgui_time_sink_x</key>
-    <param>
-      <key>id</key>
-      <value>qtgui_time_sink_x_0_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>float</value>
-    </param>
-    <param>
-      <key>name</key>
-      <value>Audio Pre-Encoding</value>
-    </param>
-    <param>
-      <key>size</key>
-      <value>1024</value>
-    </param>
-    <param>
-      <key>srate</key>
-      <value>8000</value>
-    </param>
-    <param>
-      <key>ymin</key>
-      <value>-1</value>
-    </param>
-    <param>
-      <key>ymax</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>nconnections</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>update_time</key>
-      <value>0.10</value>
-    </param>
-    <param>
-      <key>tr_mode</key>
-      <value>qtgui.TRIG_MODE_FREE</value>
-    </param>
-    <param>
-      <key>tr_slope</key>
-      <value>qtgui.TRIG_SLOPE_POS</value>
-    </param>
-    <param>
-      <key>tr_level</key>
-      <value>0.0</value>
-    </param>
-    <param>
-      <key>tr_delay</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>tr_chan</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>tr_tag</key>
-      <value>""</value>
-    </param>
-    <param>
-      <key>entags</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(434, 202)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>rational_resampler_xxx</key>
-    <param>
-      <key>id</key>
-      <value>rational_resampler_xxx_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>fff</value>
-    </param>
-    <param>
-      <key>interp</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>decim</key>
-      <value>6</value>
-    </param>
-    <param>
-      <key>taps</key>
-      <value></value>
-    </param>
-    <param>
-      <key>fbw</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(204, 94)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>virtual_sink</key>
-    <param>
-      <key>id</key>
-      <value>virtual_sink_1</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>stream_id</key>
-      <value>Unencoded Speech</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(508, 25)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>virtual_source</key>
-    <param>
-      <key>id</key>
-      <value>virtual_source_1_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>stream_id</key>
-      <value>Decoded Speech</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(3, 449)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>virtual_source</key>
-    <param>
-      <key>id</key>
-      <value>virtual_source_1</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>stream_id</key>
-      <value>Unencoded Speech</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(-1, 389)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_check_box</key>
-    <param>
-      <key>id</key>
-      <value>play_encoded</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>Encode Audio</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>int</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>true</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>false</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(834, 0)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>blks2_selector</key>
-    <param>
-      <key>id</key>
-      <value>blks2_selector_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>float</value>
-    </param>
-    <param>
-      <key>num_inputs</key>
-      <value>2</value>
-    </param>
-    <param>
-      <key>num_outputs</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>input_index</key>
-      <value>play_encoded</value>
-    </param>
-    <param>
-      <key>output_index</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>vlen</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(280, 411)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>rational_resampler_xxx</key>
-    <param>
-      <key>id</key>
-      <value>rational_resampler_xxx_1</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>fff</value>
-    </param>
-    <param>
-      <key>interp</key>
-      <value>6</value>
-    </param>
-    <param>
-      <key>decim</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>taps</key>
-      <value></value>
-    </param>
-    <param>
-      <key>fbw</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(478, 400)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>audio_sink</key>
-    <param>
-      <key>id</key>
-      <value>audio_sink_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>48000</value>
-    </param>
-    <param>
-      <key>device_name</key>
-      <value></value>
-    </param>
-    <param>
-      <key>ok_to_block</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>num_inputs</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(706, 424)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>blocks_float_to_short</key>
-    <param>
-      <key>id</key>
-      <value>blocks_float_to_short_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>vlen</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>scale</key>
-      <value>scale</value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(417, 119)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>audio_source</key>
-    <param>
-      <key>id</key>
-      <value>audio_source_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>48000</value>
-    </param>
-    <param>
-      <key>device_name</key>
-      <value></value>
-    </param>
-    <param>
-      <key>ok_to_block</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>num_outputs</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(0, 117)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>blocks_wavfile_source</key>
-    <param>
-      <key>id</key>
-      <value>blocks_wavfile_source_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>file</key>
-      <value>speech_audio_at_48_kHz.wav</value>
-    </param>
-    <param>
-      <key>repeat</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>nchan</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(-1, 225)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>vocoder_gsm_fr_encode_sp</key>
-    <param>
-      <key>id</key>
-      <value>vocoder_gsm_fr_encode_sp_1</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(592, 123)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>blocks_vector_to_stream</key>
-    <param>
-      <key>id</key>
-      <value>blocks_vector_to_stream_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>byte</value>
-    </param>
-    <param>
-      <key>num_items</key>
-      <value>33</value>
-    </param>
-    <param>
-      <key>vlen</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(857, 119)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>virtual_sink</key>
-    <param>
-      <key>id</key>
-      <value>virtual_sink_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>stream_id</key>
-      <value>Encoded Speech</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(1052, 119)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>blocks_stream_to_vector</key>
-    <param>
-      <key>id</key>
-      <value>blocks_stream_to_vector_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>byte</value>
-    </param>
-    <param>
-      <key>num_items</key>
-      <value>33</value>
-    </param>
-    <param>
-      <key>vlen</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(272, 312)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>virtual_source</key>
-    <param>
-      <key>id</key>
-      <value>virtual_source_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>stream_id</key>
-      <value>Encoded Speech</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(-1, 312)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>vocoder_gsm_fr_decode_ps</key>
-    <param>
-      <key>id</key>
-      <value>vocoder_gsm_fr_decode_ps_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(485, 316)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>virtual_sink</key>
-    <param>
-      <key>id</key>
-      <value>virtual_sink_2</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>stream_id</key>
-      <value>Decoded Speech</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(1012, 364)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>qtgui_time_sink_x</key>
-    <param>
-      <key>id</key>
-      <value>qtgui_time_sink_x_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>float</value>
-    </param>
-    <param>
-      <key>name</key>
-      <value>Audio Post-Encoding</value>
-    </param>
-    <param>
-      <key>size</key>
-      <value>1024</value>
-    </param>
-    <param>
-      <key>srate</key>
-      <value>8000</value>
-    </param>
-    <param>
-      <key>ymin</key>
-      <value>-1</value>
-    </param>
-    <param>
-      <key>ymax</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>nconnections</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>update_time</key>
-      <value>0.10</value>
-    </param>
-    <param>
-      <key>tr_mode</key>
-      <value>qtgui.TRIG_MODE_FREE</value>
-    </param>
-    <param>
-      <key>tr_slope</key>
-      <value>qtgui.TRIG_SLOPE_POS</value>
-    </param>
-    <param>
-      <key>tr_level</key>
-      <value>0.0</value>
-    </param>
-    <param>
-      <key>tr_delay</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>tr_chan</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>tr_tag</key>
-      <value>""</value>
-    </param>
-    <param>
-      <key>entags</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(1012, 240)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>blocks_short_to_float</key>
-    <param>
-      <key>id</key>
-      <value>blocks_short_to_float_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>vlen</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>scale</key>
-      <value>scale</value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(762, 312)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <connection>
-    <source_block_id>audio_source_0</source_block_id>
-    <sink_block_id>rational_resampler_xxx_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>rational_resampler_xxx_0</source_block_id>
-    <sink_block_id>blocks_float_to_short_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_wavfile_source_0</source_block_id>
-    <sink_block_id>rational_resampler_xxx_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>rational_resampler_xxx_0</source_block_id>
-    <sink_block_id>qtgui_time_sink_x_0_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>rational_resampler_xxx_0</source_block_id>
-    <sink_block_id>virtual_sink_1</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>virtual_source_1</source_block_id>
-    <sink_block_id>blks2_selector_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>virtual_source_1_0</source_block_id>
-    <sink_block_id>blks2_selector_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>1</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_short_to_float_0</source_block_id>
-    <sink_block_id>virtual_sink_2</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>rational_resampler_xxx_1</source_block_id>
-    <sink_block_id>audio_sink_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blks2_selector_0</source_block_id>
-    <sink_block_id>rational_resampler_xxx_1</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_float_to_short_0</source_block_id>
-    <sink_block_id>vocoder_gsm_fr_encode_sp_1</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>vocoder_gsm_fr_decode_ps_0</source_block_id>
-    <sink_block_id>blocks_short_to_float_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>vocoder_gsm_fr_encode_sp_1</source_block_id>
-    <sink_block_id>blocks_vector_to_stream_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_vector_to_stream_0</source_block_id>
-    <sink_block_id>virtual_sink_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>virtual_source_0</source_block_id>
-    <sink_block_id>blocks_stream_to_vector_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_stream_to_vector_0</source_block_id>
-    <sink_block_id>vocoder_gsm_fr_decode_ps_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_short_to_float_0</source_block_id>
-    <sink_block_id>qtgui_time_sink_x_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-</flow_graph>
+options:
+  parameters:
+    author: Martin Braun
+    category: Custom
+    cmake_opt: ''
+    comment: ''
+    copyright: ''
+    description: An example how to use the GSM-FR Vocoder
+    gen_cmake: 'On'
+    gen_linking: dynamic
+    generate_options: qt_gui
+    hier_block_src_path: '.:'
+    id: loopback_gsmfr
+    max_nouts: '0'
+    output_language: python
+    placement: (0,0)
+    qt_qss_theme: ''
+    realtime_scheduling: ''
+    run: 'True'
+    run_command: '{python} -u {filename}'
+    run_options: prompt
+    sizing_mode: fixed
+    thread_safe_setters: ''
+    title: GSM Full-Rate 06.10 Codec Looback Test
+    window_size: 1280, 1024
+  states:
+    coordinate: [0, -1]
+    rotation: 0
+    state: enabled
+
+blocks:
+- name: play_encoded
+  id: variable_qtgui_check_box
+  parameters:
+    comment: ''
+    'false': '0'
+    gui_hint: ''
+    label: Encode Audio
+    'true': '1'
+    type: int
+    value: 'True'
+  states:
+    coordinate: [834, 0]
+    rotation: 0
+    state: enabled
+- name: samp_rate
+  id: variable
+  parameters:
+    comment: ''
+    value: '48000'
+  states:
+    coordinate: [186, 0]
+    rotation: 0
+    state: enabled
+- name: scale
+  id: variable
+  parameters:
+    comment: ''
+    value: 2**12
+  states:
+    coordinate: [301, -1]
+    rotation: 0
+    state: enabled
+- name: audio_sink_0
+  id: audio_sink
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    device_name: ''
+    num_inputs: '1'
+    ok_to_block: 'True'
+    samp_rate: '48000'
+  states:
+    coordinate: [706, 424]
+    rotation: 0
+    state: enabled
+- name: audio_source_0
+  id: audio_source
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    device_name: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    num_outputs: '1'
+    ok_to_block: 'True'
+    samp_rate: '48000'
+  states:
+    coordinate: [0, 117]
+    rotation: 0
+    state: enabled
+- name: blocks_float_to_short_0
+  id: blocks_float_to_short
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    scale: scale
+    vlen: '1'
+  states:
+    coordinate: [417, 119]
+    rotation: 0
+    state: enabled
+- name: blocks_selector_0
+  id: blocks_selector
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    enabled: 'True'
+    input_index: play_encoded
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    num_inputs: '2'
+    num_outputs: '1'
+    output_index: '0'
+    showports: 'True'
+    type: float
+    vlen: '1'
+  states:
+    coordinate: [256, 396.0]
+    rotation: 0
+    state: true
+- name: blocks_short_to_float_0
+  id: blocks_short_to_float
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    scale: scale
+    vlen: '1'
+  states:
+    coordinate: [762, 312]
+    rotation: 0
+    state: enabled
+- name: blocks_stream_to_vector_0
+  id: blocks_stream_to_vector
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    num_items: '33'
+    type: byte
+    vlen: '1'
+  states:
+    coordinate: [272, 312]
+    rotation: 0
+    state: enabled
+- name: blocks_vector_to_stream_0
+  id: blocks_vector_to_stream
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    num_items: '33'
+    type: byte
+    vlen: '1'
+  states:
+    coordinate: [857, 119]
+    rotation: 0
+    state: enabled
+- name: blocks_wavfile_source_0
+  id: blocks_wavfile_source
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    file: speech_audio_at_48_kHz.wav
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    nchan: '1'
+    repeat: 'True'
+  states:
+    coordinate: [-1, 225]
+    rotation: 0
+    state: disabled
+- name: qtgui_time_sink_x_0
+  id: qtgui_time_sink_x
+  parameters:
+    affinity: ''
+    alias: ''
+    alpha1: '1.0'
+    alpha10: '1.0'
+    alpha2: '1.0'
+    alpha3: '1.0'
+    alpha4: '1.0'
+    alpha5: '1.0'
+    alpha6: '1.0'
+    alpha7: '1.0'
+    alpha8: '1.0'
+    alpha9: '1.0'
+    autoscale: 'False'
+    axislabels: 'True'
+    color1: blue
+    color10: blue
+    color2: green
+    color3: black
+    color4: cyan
+    color5: magenta
+    color6: yellow
+    color7: dark red
+    color8: dark green
+    color9: Dark Blue
+    comment: ''
+    ctrlpanel: 'False'
+    entags: 'True'
+    grid: 'False'
+    gui_hint: ''
+    label1: Signal 1
+    label10: Signal 10
+    label2: Signal 2
+    label3: Signal 3
+    label4: Signal 4
+    label5: Signal 5
+    label6: Signal 6
+    label7: Signal 7
+    label8: Signal 8
+    label9: Signal 9
+    legend: 'True'
+    marker1: '1'
+    marker10: '1'
+    marker2: '1'
+    marker3: '1'
+    marker4: '1'
+    marker5: '1'
+    marker6: '1'
+    marker7: '1'
+    marker8: '1'
+    marker9: '1'
+    name: Audio Post-Encoding
+    nconnections: '1'
+    size: '1024'
+    srate: '8000'
+    stemplot: 'False'
+    style1: '1'
+    style10: '1'
+    style2: '1'
+    style3: '1'
+    style4: '1'
+    style5: '1'
+    style6: '1'
+    style7: '1'
+    style8: '1'
+    style9: '1'
+    tr_chan: '0'
+    tr_delay: '0'
+    tr_level: '0.0'
+    tr_mode: qtgui.TRIG_MODE_FREE
+    tr_slope: qtgui.TRIG_SLOPE_POS
+    tr_tag: '""'
+    type: float
+    update_time: '0.10'
+    width1: '1'
+    width10: '1'
+    width2: '1'
+    width3: '1'
+    width4: '1'
+    width5: '1'
+    width6: '1'
+    width7: '1'
+    width8: '1'
+    width9: '1'
+    ylabel: Amplitude
+    ymax: '1'
+    ymin: '-1'
+    yunit: '""'
+  states:
+    coordinate: [1012, 240]
+    rotation: 0
+    state: enabled
+- name: qtgui_time_sink_x_0_0
+  id: qtgui_time_sink_x
+  parameters:
+    affinity: ''
+    alias: ''
+    alpha1: '1.0'
+    alpha10: '1.0'
+    alpha2: '1.0'
+    alpha3: '1.0'
+    alpha4: '1.0'
+    alpha5: '1.0'
+    alpha6: '1.0'
+    alpha7: '1.0'
+    alpha8: '1.0'
+    alpha9: '1.0'
+    autoscale: 'False'
+    axislabels: 'True'
+    color1: blue
+    color10: blue
+    color2: green
+    color3: black
+    color4: cyan
+    color5: magenta
+    color6: yellow
+    color7: dark red
+    color8: dark green
+    color9: Dark Blue
+    comment: ''
+    ctrlpanel: 'False'
+    entags: 'True'
+    grid: 'False'
+    gui_hint: ''
+    label1: Signal 1
+    label10: Signal 10
+    label2: Signal 2
+    label3: Signal 3
+    label4: Signal 4
+    label5: Signal 5
+    label6: Signal 6
+    label7: Signal 7
+    label8: Signal 8
+    label9: Signal 9
+    legend: 'True'
+    marker1: '1'
+    marker10: '1'
+    marker2: '1'
+    marker3: '1'
+    marker4: '1'
+    marker5: '1'
+    marker6: '1'
+    marker7: '1'
+    marker8: '1'
+    marker9: '1'
+    name: Audio Pre-Encoding
+    nconnections: '1'
+    size: '1024'
+    srate: '8000'
+    stemplot: 'False'
+    style1: '1'
+    style10: '1'
+    style2: '1'
+    style3: '1'
+    style4: '1'
+    style5: '1'
+    style6: '1'
+    style7: '1'
+    style8: '1'
+    style9: '1'
+    tr_chan: '0'
+    tr_delay: '0'
+    tr_level: '0.0'
+    tr_mode: qtgui.TRIG_MODE_FREE
+    tr_slope: qtgui.TRIG_SLOPE_POS
+    tr_tag: '""'
+    type: float
+    update_time: '0.10'
+    width1: '1'
+    width10: '1'
+    width2: '1'
+    width3: '1'
+    width4: '1'
+    width5: '1'
+    width6: '1'
+    width7: '1'
+    width8: '1'
+    width9: '1'
+    ylabel: Amplitude
+    ymax: '1'
+    ymin: '-1'
+    yunit: '""'
+  states:
+    coordinate: [434, 202]
+    rotation: 0
+    state: enabled
+- name: rational_resampler_xxx_0
+  id: rational_resampler_xxx
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    decim: '6'
+    fbw: '0'
+    interp: '1'
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    taps: ''
+    type: fff
+  states:
+    coordinate: [204, 94]
+    rotation: 0
+    state: enabled
+- name: rational_resampler_xxx_1
+  id: rational_resampler_xxx
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    decim: '1'
+    fbw: '0'
+    interp: '6'
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    taps: ''
+    type: fff
+  states:
+    coordinate: [478, 400]
+    rotation: 0
+    state: enabled
+- name: virtual_sink_0
+  id: virtual_sink
+  parameters:
+    alias: ''
+    comment: ''
+    stream_id: Encoded Speech
+  states:
+    coordinate: [1052, 119]
+    rotation: 0
+    state: enabled
+- name: virtual_sink_1
+  id: virtual_sink
+  parameters:
+    alias: ''
+    comment: ''
+    stream_id: Unencoded Speech
+  states:
+    coordinate: [508, 25]
+    rotation: 0
+    state: enabled
+- name: virtual_sink_2
+  id: virtual_sink
+  parameters:
+    alias: ''
+    comment: ''
+    stream_id: Decoded Speech
+  states:
+    coordinate: [1012, 364]
+    rotation: 0
+    state: enabled
+- name: virtual_source_0
+  id: virtual_source
+  parameters:
+    alias: ''
+    comment: ''
+    stream_id: Encoded Speech
+  states:
+    coordinate: [-1, 312]
+    rotation: 0
+    state: enabled
+- name: virtual_source_1
+  id: virtual_source
+  parameters:
+    alias: ''
+    comment: ''
+    stream_id: Unencoded Speech
+  states:
+    coordinate: [-8, 396.0]
+    rotation: 0
+    state: enabled
+- name: virtual_source_1_0
+  id: virtual_source
+  parameters:
+    alias: ''
+    comment: ''
+    stream_id: Decoded Speech
+  states:
+    coordinate: [0, 468.0]
+    rotation: 0
+    state: enabled
+- name: vocoder_gsm_fr_decode_ps_0
+  id: vocoder_gsm_fr_decode_ps
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+  states:
+    coordinate: [485, 316]
+    rotation: 0
+    state: enabled
+- name: vocoder_gsm_fr_encode_sp_1
+  id: vocoder_gsm_fr_encode_sp
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+  states:
+    coordinate: [592, 123]
+    rotation: 0
+    state: enabled
+
+connections:
+- [audio_source_0, '0', rational_resampler_xxx_0, '0']
+- [blocks_float_to_short_0, '0', vocoder_gsm_fr_encode_sp_1, '0']
+- [blocks_selector_0, '0', rational_resampler_xxx_1, '0']
+- [blocks_short_to_float_0, '0', qtgui_time_sink_x_0, '0']
+- [blocks_short_to_float_0, '0', virtual_sink_2, '0']
+- [blocks_stream_to_vector_0, '0', vocoder_gsm_fr_decode_ps_0, '0']
+- [blocks_vector_to_stream_0, '0', virtual_sink_0, '0']
+- [blocks_wavfile_source_0, '0', rational_resampler_xxx_0, '0']
+- [rational_resampler_xxx_0, '0', blocks_float_to_short_0, '0']
+- [rational_resampler_xxx_0, '0', qtgui_time_sink_x_0_0, '0']
+- [rational_resampler_xxx_0, '0', virtual_sink_1, '0']
+- [rational_resampler_xxx_1, '0', audio_sink_0, '0']
+- [virtual_source_0, '0', blocks_stream_to_vector_0, '0']
+- [virtual_source_1, '0', blocks_selector_0, '0']
+- [virtual_source_1_0, '0', blocks_selector_0, '1']
+- [vocoder_gsm_fr_decode_ps_0, '0', blocks_short_to_float_0, '0']
+- [vocoder_gsm_fr_encode_sp_1, '0', blocks_vector_to_stream_0, '0']
+
+metadata:
+  file_format: 1
author	Josh Morman <jmorman@perspectalabs.com>	2019-07-02 14:22:42 -0400
committer	Martin Braun <martin.braun@ettus.com>	2019-07-04 11:24:22 -0700
commit	2f2bdff97b2ec90672dd76d3f5a40eb6eb9d4efb (patch)
tree	50acae9726ed94cd851baa0ec89e772630b8bacd /gr-vocoder/examples
parent	9e1245035299277ac5361329a039c9a943f88fe0 (diff)