Hi, > I tried to add simple AMR support in osmocombb project. I tested it with C123 > (DSP API v 36). I set AMR config from assigment command, set AMR detection > thresholds, make sync, etc. > It looks like downlink works fine, but I have problem with uplink: it send > data directly from microphone and ignore data in dsp_api.ndb->a_du_1 even if > I set dsp_api.ndb->d_tch_mode|=B_PLAY_UL. Also, I can see uplink data on > dsp_api.ndb->a_du_0 like B_PLAY_UL is fully ignored. > Did anyone have that issue before? I know that AMR codec is more complex that > TCH, but did someone know a way to send custom data from host using AMR codec?
TBH I'm not sure anyone tried AMR at all ... Can you post the diff you're using atm ? AFAIK The v36 DSP has buggy AMR support and the normal firmware loads some DSP patches to make it work properly. Cheers, Sylvain
