def __init__(self, audio_output_dev):
gr.hier_block2.__init__(self, "audio_tx",
gr.io_signature(0, 0, 0), # Input signature
gr.io_signature(0, 0, 0)) # Output signature
self.packet_src = gr.message_source(33)
voice_decoder = gsm_full_rate.decode_ps()
s2f = gr.short_to_float ()
sink_scale = gr.multiply_const_ff(1.0/32767.)
audio_sink = audio.sink(8000, audio_output_dev)
self.connect(self.packet_src, voice_decoder, s2f, sink_scale, audio_sink)
def build_graph():
fg = gr.flow_graph()
src = audio.source(8000)
src_scale = gr.multiply_const_ff(32767)
f2s = gr.float_to_short ()
enc = gsm_full_rate.encode_sp()
dec = gsm_full_rate.decode_ps()
s2f = gr.short_to_float ()
sink_scale = gr.multiply_const_ff(1.0/32767.)
sink = audio.sink(8000)
fg.connect(src, src_scale, f2s, enc, dec, s2f, sink_scale, sink)
return fg
def build_graph():
tb = gr.top_block()
src = audio.source(8000)
src_scale = gr.multiply_const_ff(32767)
f2s = gr.float_to_short()
enc = gsm_full_rate.encode_sp()
dec = gsm_full_rate.decode_ps()
s2f = gr.short_to_float()
sink_scale = gr.multiply_const_ff(1.0 / 32767.)
sink = audio.sink(8000)
tb.connect(src, src_scale, f2s, enc, dec, s2f, sink_scale, sink)
return tb
def __init__(self, audio_output_dev):
gr.hier_block2.__init__(
self,
"audio_tx",
gr.io_signature(0, 0, 0), # Input signature
gr.io_signature(0, 0, 0)) # Output signature
self.packet_src = gr.message_source(33)
voice_decoder = gsm_full_rate.decode_ps()
s2f = gr.short_to_float()
sink_scale = gr.multiply_const_ff(1.0 / 32767.)
audio_sink = audio.sink(8000, audio_output_dev)
self.connect(self.packet_src, voice_decoder, s2f, sink_scale,
audio_sink)
