How to check audio sample data to a bluetooth sink?

[mengdong.lin@xxxxxxxxx (Lin, Mengdong)]

struct pa_memblock
{
    pa_atomic_ptr_t data;   -----------> is this the valid data buffer pointer?
size_t length; -------------> is this the data length?
...
}

If yes, I can trace the function "hsp_process_render" of modle-bluetooth-device:
l = pa_write(u->stream_fd, p, u->write_memchunk.length, &u->stream_write_type);

I think the memchunk,  contains the data:
typedef struct pa_memchunk {
    pa_memblock *memblock; ------> real data here?
    size_t index, length;
} pa_memchunk;


Thanks
Amanda
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