Commit f461fe5e authored by sagnowski's avatar sagnowski
Browse files

Fix usan problems in CLDFB_RINGBUF_GetByIdx

parent e26011eb

lib_dec/cldfb_ring_buffer.c

+16 −7
Original line number Diff line number Diff line
@@ -153,10 +153,7 @@ void CLDFB_RINGBUF_Pop( CLDFB_RINGBUF_HANDLE h, float *real, float *imag, uint16 
        h->read_pos = 0;

    }



    if ( h->is_full )

    {

    h->is_full = 0;

    }



    return;

}
@@ -181,17 +178,29 @@ void CLDFB_RINGBUF_GetByIdx( CLDFB_RINGBUF_HANDLE h, float **p_real, float **p_i 
{

    int32_t idx = col_idx * CLDFB_NO_CHANNELS_MAX;

    int32_t num_floats = (int32_t) total_size( h );

    uint32_t offset;

    uint32_t offset, uidx;



    assert( -num_floats <= idx && idx <= num_floats );



    if ( idx >= 0 )

    {

        offset = ( h->read_pos + idx ) % h->capacity;

        offset = h->read_pos + idx;

        if ( h->capacity <= offset )

        {

            offset -= h->capacity;

        }

    }

    else

    {

        offset = ( h->write_pos + h->capacity + idx ) % h->capacity;

        uidx = (uint32_t) -idx;

        if ( uidx <= h->write_pos )

        {

            offset = h->write_pos - uidx;

        }

        else

        {

            offset = h->write_pos + h->capacity - uidx;

        }

    }



    *p_real = &h->real[offset];