Open jerryyyq opened 4 years ago
@jerryyyq i think, you should ask to tinyalsa repo. If you are testing on TizenRT, we will support the issue.
dear jsdosa, My Developer system is ubuntu, after my test OK, I will port to TizenRT, so, can you give me some advise? thank you very much.
dear jsdosa, My Developer system is ubuntu, after my test OK, I will port to TizenRT, so, can you give me some advise? thank you very much.
I think you tested pure tinyalsa on your ubuntu. Tinyalsa in TizenRT is just brought signature of each function, to improve portability. To use TizenRT, currently you need some specific device which i2s pin to connect dsp chip. Will you develop embedded board?
Yes, I developer for RK3288 RK 3399 and sdm845, these are ARM CPU, 32 or 64.
It is very hard to help you , it is has depedency with dsp & platform. So you can't hear your captured sound after capturing? But I think first you'd better check your volume first.
I can hear the sound when I type: aplay -D 0 xxxx.wav. now, I want captured the wav of playbacked on soundcard, so, I need some api to hook wav data from soundcard 0. so, which api I can call them, example like: pcm_hook....... ? thank you very much.
I want capture playback sound on ubuntu and android. I call pcm_open() and pcm_readi() and I try: mixer_get_ctl_by_name(mixer, "Loopback Mixing"); mixer_ctl_set_enum_by_string(ctl, "Enabled");
But, allways record wav from MIC, not from playing sound. How to do I can? Thank you very much.
-------------- My sound card Device Info: ------------------------