Translation to C of https://github.com/F5OEO/librpitx
COMPILE TEST:
- git clone https://github.com/hiperiondev/librpitx-C.git
- cd librpitx-C/build
- make
- cd ..
TEST:
(while true; do cat audio_raw/music48000.raw; done) | csdr convert_i16_f | csdr gain_ff 0.2 | csdr fmmod_fc | build/librpitx-C -i- -m IQFLOAT -f 147360
(while true; do cat audio_raw/speech48000.raw; done) | csdr convert_i16_f | csdr gain_ff 6000 | csdr convert_f_samplerf 20833 |sudo build/librpitx-C -i- -m RF -f 147360