joachim
/
openwebrx-clone
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

remove fft stuff from csdr

This commit is contained in:
Jakob Ketterl 2021-01-23 19:40:05 +01:00
parent 4b94126dc3
commit e11bbbf494
1 changed files with 1 additions and 69 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

70
csdr/csdr.py
View File

@ -34,9 +34,6 @@ from owrx.js8 import Js8Profiles
from owrx.audio import AudioChopper
from csdr.pipe import Pipe
from csdr.chain.fft import FftChain
from pycsdr.modules import Buffer
import logging
@ -84,7 +81,6 @@ class dsp(object):
self.samp_rate = 250000
self.output_rate = 11025
self.hd_output_rate = 44100
self.fft_size = 1024
self.fft_fps = 5
self.center_freq = 0
self.offset_freq = 0
@ -114,7 +110,6 @@ class dsp(object):
self.secondary_fft_size = 1024
self.secondary_process_fft = None
self.secondary_process_demod = None
self.fft_voverlap_factor = 0
self.pipe_names = {
"bpf_pipe": Pipe.WRITE,
"shift_pipe": Pipe.WRITE,
@ -159,17 +154,6 @@ class dsp(object):
chain += ["csdr setbuf {start_bufsize}"]
if self.csdr_through:
chain += ["csdr through"]
if which == "fft":
chain += [
"csdr fft_cc {fft_size} {fft_block_size}",
"csdr logpower_cf -70"
if self.fft_averages == 0
else "csdr logaveragepower_cf -70 {fft_size} {fft_averages}",
"csdr fft_exchange_sides_ff {fft_size}",
]
if self.fft_compression == "adpcm":
chain += ["csdr compress_fft_adpcm_f_u8 {fft_size}"]
return chain
chain += ["csdr shift_addfast_cc --fifo {shift_pipe}"]
if self.decimation > 1:
chain += ["csdr fir_decimate_cc {decimation} {ddc_transition_bw} HAMMING"]
@ -523,12 +507,6 @@ class dsp(object):
return
self.fft_compression = what
def get_fft_bytes_to_read(self):
if self.fft_compression == "none":
return self.fft_size * 4
if self.fft_compression == "adpcm":
return int((self.fft_size / 2) + (10 / 2))
def get_secondary_fft_bytes_to_read(self):
if self.fft_compression == "none":
return self.secondary_fft_size * 4
@ -651,27 +629,6 @@ class dsp(object):
def get_demodulator(self):
return self.demodulator
def set_fft_size(self, fft_size):
if self.fft_size == fft_size:
return
self.fft_size = fft_size
# TODO implement setting fft size in chain dynamically
self.restart()
def set_fft_fps(self, fft_fps):
if self.fft_fps == fft_fps:
return
self.fft_fps = fft_fps
if self.pycsdr_chain:
self.pycsdr_chain.setFps(self.fft_fps)
def set_fft_voverlap_factor(self, fft_voverlap_factor):
if self.fft_voverlap_factor == fft_voverlap_factor:
return
self.fft_voverlap_factor = fft_voverlap_factor
if self.pycsdr_chain:
self.pycsdr_chain.setVOverlapFactor(self.fft_voverlap_factor)
def set_offset_freq(self, offset_freq):
if offset_freq is None:
return
@ -784,29 +741,6 @@ class dsp(object):
self.direwolf_config = None
def start(self):
if self.pycsdr_enabled:
if self.demodulator == "fft":
with self.modification_lock:
if self.running:
return
self.running = True
self.pycsdr_chain = FftChain(
samp_rate=self.samp_rate,
fft_size=self.fft_size,
fft_v_overlap_factor=self.fft_voverlap_factor,
fft_fps=self.fft_fps,
fft_compression=self.fft_compression
)
if self.buffer is not None:
self.pycsdr_chain.setInput(self.buffer)
buffer = Buffer()
self.pycsdr_chain.setOutput(buffer)
self.output.send_output("audio", buffer.read)
return
with self.modification_lock:
if self.running:
return
@ -839,8 +773,6 @@ class dsp(object):
dmr_control_pipe=self.pipes["dmr_control_pipe"],
decimation=self.decimation,
last_decimation=self.last_decimation,
fft_size=self.fft_size,
fft_averages=self.fft_averages,
bpf_transition_bw=float(self.bpf_transition_bw) / self.if_samp_rate(),
ddc_transition_bw=self.ddc_transition_bw(),
flowcontrol=int(self.samp_rate * 2),
@ -878,7 +810,7 @@ class dsp(object):
audio_type,
partial(
self.process.stdout.read,
self.get_fft_bytes_to_read() if self.demodulator == "fft" else self.get_audio_bytes_to_read(),
self.get_audio_bytes_to_read(),
),
)