clean up chains
This commit is contained in:
Jakob Ketterl
parent
4496fcc8b0
commit
b1596cbb60
92
csdr.py
92
csdr.py
@ -74,56 +74,51 @@ class dsp(object):
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self.output = output
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def chain(self,which):
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if which in [ "dmr", "dstar", "nxdn", "ysf" ]:
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self.set_output_rate(48000)
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else:
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self.set_output_rate(11025)
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any_chain_base="nc -v 127.0.0.1 {nc_port} | "
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if self.csdr_dynamic_bufsize: any_chain_base+="csdr setbuf {start_bufsize} | "
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if self.csdr_through: any_chain_base+="csdr through | "
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chain ="nc -v 127.0.0.1 {nc_port} | "
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if self.csdr_dynamic_bufsize: chain += "csdr setbuf {start_bufsize} | "
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if self.csdr_through: chain +="csdr through | "
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if which == "fft":
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fft_chain_base = any_chain_base+"csdr fft_cc {fft_size} {fft_block_size} | " + \
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chain += "csdr fft_cc {fft_size} {fft_block_size} | " + \
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("csdr logpower_cf -70 | " if self.fft_averages == 0 else "csdr logaveragepower_cf -70 {fft_size} {fft_averages} | ") + \
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"csdr fft_exchange_sides_ff {fft_size}"
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if self.fft_compression=="adpcm":
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return fft_chain_base+" | csdr compress_fft_adpcm_f_u8 {fft_size}"
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chain += " | csdr compress_fft_adpcm_f_u8 {fft_size}"
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return chain
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chain += "csdr shift_addition_cc --fifo {shift_pipe} | "
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if which in ["dstar", "nxdn", "dmr", "ysf"]:
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chain += "csdr fir_decimate_cc {digital_decimation} {ddc_transition_bw} HAMMING | "
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else:
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return fft_chain_base
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chain_begin=any_chain_base+"csdr shift_addition_cc --fifo {shift_pipe} | csdr fir_decimate_cc {decimation} {ddc_transition_bw} HAMMING | csdr bandpass_fir_fft_cc --fifo {bpf_pipe} {bpf_transition_bw} HAMMING | csdr squelch_and_smeter_cc --fifo {squelch_pipe} --outfifo {smeter_pipe} 5 1 | "
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chain += "csdr fir_decimate_cc {decimation} {ddc_transition_bw} HAMMING | "
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chain += "csdr bandpass_fir_fft_cc --fifo {bpf_pipe} {bpf_transition_bw} HAMMING | csdr squelch_and_smeter_cc --fifo {squelch_pipe} --outfifo {smeter_pipe} 5 1 | "
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if self.secondary_demodulator:
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chain_begin+="csdr tee {iqtee_pipe} | "
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chain_begin+="csdr tee {iqtee2_pipe} | "
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chain_end = ""
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if self.audio_compression=="adpcm":
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chain_end = " | csdr encode_ima_adpcm_i16_u8"
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if which == "nfm": return chain_begin + "csdr fmdemod_quadri_cf | csdr limit_ff | csdr old_fractional_decimator_ff {last_decimation} | csdr deemphasis_nfm_ff 11025 | csdr convert_f_s16"+chain_end
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if which in [ "dstar", "nxdn" ]:
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c = chain_begin
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c += "csdr fmdemod_quadri_cf | csdr fastdcblock_ff | csdr convert_f_s16"
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chain += "csdr tee {iqtee_pipe} | "
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chain += "csdr tee {iqtee2_pipe} | "
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if which == "nfm":
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chain += "csdr fmdemod_quadri_cf | csdr limit_ff | csdr old_fractional_decimator_ff {last_decimation} | csdr deemphasis_nfm_ff {output_rate} | csdr convert_f_s16"
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elif which in [ "dstar", "nxdn" ]:
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chain += "csdr fmdemod_quadri_cf | csdr fastdcblock_ff | csdr old_fractional_decimator_ff {digital_last_decimation} | csdr convert_f_s16"
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if which == "dstar":
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c += " | dsd -fd"
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chain += " | dsd -fd"
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elif which == "nxdn":
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c += " | dsd -fi"
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c += " -i - -o - -u 2 -g 10"
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c += " | sox -t raw -r 8000 -e signed-integer -b 16 -c 1 --input-buffer 160 - -t raw -r 11025 -e signed-integer -b 16 -c 1 - | csdr setbuf 220"
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c += chain_end
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return c
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chain += " | dsd -fi"
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chain += " -i - -o - -u 2 -g 10"
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chain += " | sox -t raw -r 8000 -e signed-integer -b 16 -c 1 --input-buffer 160 - -t raw -r {output_rate} -e signed-integer -b 16 -c 1 - | csdr setbuf 220"
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elif which == "dmr":
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c = chain_begin
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c += "csdr fmdemod_quadri_cf | csdr fastdcblock_ff | csdr convert_f_s16"
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c += " | rrc_filter | gfsk_demodulator | dmr_decoder --fifo {meta_pipe} | mbe_synthesizer"
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c += " | sox -t raw -r 8000 -e signed-integer -b 16 -c 1 --buffer 32 - -t raw -r 11025 -e signed-integer -b 16 -c 1 - | csdr setbuf 256"
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c += chain_end
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return c
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chain += "csdr fmdemod_quadri_cf | csdr fastdcblock_ff | csdr old_fractional_decimator_ff {digital_last_decimation} | csdr convert_f_s16"
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chain += " | rrc_filter | gfsk_demodulator | dmr_decoder --fifo {meta_pipe} | mbe_synthesizer"
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chain += " | sox -t raw -r 8000 -e signed-integer -b 16 -c 1 --buffer 32 - -t raw -r {output_rate} -e signed-integer -b 16 -c 1 - | csdr setbuf 256"
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elif which == "ysf":
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c = chain_begin
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c += "csdr fmdemod_quadri_cf | csdr fastdcblock_ff | csdr convert_f_s16"
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c += " | rrc_filter | gfsk_demodulator | ysf_decoder --fifo {meta_pipe} | mbe_synthesizer -y"
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c += " | sox -t raw -r 8000 -e signed-integer -b 16 -c 1 --buffer 32 - -t raw -r 11025 -e signed-integer -b 16 -c 1 - | csdr setbuf 256"
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c += chain_end
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return c
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elif which == "am": return chain_begin + "csdr amdemod_cf | csdr fastdcblock_ff | csdr old_fractional_decimator_ff {last_decimation} | csdr agc_ff | csdr limit_ff | csdr convert_f_s16"+chain_end
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elif which == "ssb": return chain_begin + "csdr realpart_cf | csdr old_fractional_decimator_ff {last_decimation} | csdr agc_ff | csdr limit_ff | csdr convert_f_s16"+chain_end
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chain += "csdr fmdemod_quadri_cf | csdr fastdcblock_ff | csdr old_fractional_decimator_ff {digital_last_decimation} | csdr convert_f_s16"
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chain += " | rrc_filter | gfsk_demodulator | ysf_decoder --fifo {meta_pipe} | mbe_synthesizer -y"
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chain += " | sox -t raw -r 8000 -e signed-integer -b 16 -c 1 --buffer 32 - -t raw -r {output_rate} -e signed-integer -b 16 -c 1 - | csdr setbuf 256"
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elif which == "am":
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chain += "csdr amdemod_cf | csdr fastdcblock_ff | csdr old_fractional_decimator_ff {last_decimation} | csdr agc_ff | csdr limit_ff | csdr convert_f_s16"
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elif which == "ssb":
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chain += "csdr realpart_cf | csdr old_fractional_decimator_ff {last_decimation} | csdr agc_ff | csdr limit_ff | csdr convert_f_s16"
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if self.audio_compression=="adpcm":
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chain += " | csdr encode_ima_adpcm_i16_u8"
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return chain
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def secondary_chain(self, which):
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secondary_chain_base="cat {input_pipe} | "
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@ -257,10 +252,14 @@ class dsp(object):
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if self.running: self.restart()
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def calculate_decimation(self):
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self.decimation=1
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while self.samp_rate/(self.decimation+1)>=self.output_rate:
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self.decimation+=1
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self.last_decimation=float(self.if_samp_rate())/self.output_rate
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(self.decimation, self.last_decimation) = self.get_decimation(self.output_rate)
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def get_decimation(self, output_rate):
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decimation=1
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while self.samp_rate/ (decimation+1) >= output_rate:
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decimation += 1
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last_decimation = float(self.samp_rate / decimation) / output_rate
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return (decimation, last_decimation)
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def if_samp_rate(self):
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return self.samp_rate/self.decimation
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@ -367,12 +366,15 @@ class dsp(object):
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self.try_create_pipes(self.pipe_names, command_base)
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(digital_decimation, digital_last_decimation) = self.get_decimation(48000)
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#run the command
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command=command_base.format( bpf_pipe=self.bpf_pipe, shift_pipe=self.shift_pipe, decimation=self.decimation,
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last_decimation=self.last_decimation, fft_size=self.fft_size, fft_block_size=self.fft_block_size(), fft_averages=self.fft_averages,
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bpf_transition_bw=float(self.bpf_transition_bw)/self.if_samp_rate(), ddc_transition_bw=self.ddc_transition_bw(),
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flowcontrol=int(self.samp_rate*2), start_bufsize=self.base_bufsize*self.decimation, nc_port=self.nc_port,
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squelch_pipe=self.squelch_pipe, smeter_pipe=self.smeter_pipe, meta_pipe=self.meta_pipe, iqtee_pipe=self.iqtee_pipe, iqtee2_pipe=self.iqtee2_pipe )
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squelch_pipe=self.squelch_pipe, smeter_pipe=self.smeter_pipe, meta_pipe=self.meta_pipe, iqtee_pipe=self.iqtee_pipe, iqtee2_pipe=self.iqtee2_pipe,
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output_rate = self.get_output_rate(), digital_decimation = digital_decimation, digital_last_decimation = digital_last_decimation)
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logger.debug("[openwebrx-dsp-plugin:csdr] Command = %s", command)
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my_env=os.environ.copy()
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