Hi all,
When browsing the Android source code, I discovered the system/extras/
sound/playwav.c file which appears to contain code to directly access
the Android audio capturing hardware. I converted the WAV recording
code to an Android native library (.so file) which I linked to a Java
implementation using JNI.
When I run the code, I get a permission error. In particular,
attempting to open the /dev/msm_pcm_in device returns a negative
value. The open statement is as follows:
int afd = open("/dev/msm_pcm_int", O_RDWR);
Could this be due to a lack of root priviliges? If so, is there a
possible solution?
Kind regards,
Maarten Wijnants
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