Fix for bondagit/aes67-linux-daemon#55 on the capture device

At Sources and Sinks creation time the driver used the currently configured ALSA buffer sizes instead of the fixed ring buffer size to determine the Sources and Sinks buffer offsets.

driver/manager.c

@@ -1256,7 +1256,7 @@ void* get_live_in_jitter_buffer(void* user, uint32_t ulChannelId)
 {
     struct TManager* self = (struct TManager*)user;
     unsigned char* inputBuffer = nullptr;
-    uint32_t bufferLength = self->m_alsa_driver_frontend->get_capture_buffer_size_in_frames(self->m_pALSAChip);
+    uint32_t bufferLength = RINGBUFFERSIZE;
 
     inputBuffer = (unsigned char*)(self->m_alsa_driver_frontend->get_capture_buffer(self->m_pALSAChip));
     if(inputBuffer == nullptr || ulChannelId >= self->m_NumberOfInputs)