Changeset 1268

Timestamp:

07/01/08 04:08:38 (13 years ago)

Author:

ppalmers

Message:

reset transmit buffer rate DLL since one of the reasons for clearing it is an xrun, which can have the side effect of confusing the dll big time. this can lead to xrun recovery failure due to a bad prediction of the first presentation time.

Files:

• branches/libffado-2.0/src/libstreaming/amdtp/AmdtpTransmitStreamProcessor.cpp (modified) (1 diff)
• branches/libffado-2.0/src/libutil/TimestampedBuffer.cpp (modified) (2 diffs)

branches/libffado-2.0/src/libstreaming/amdtp/AmdtpTransmitStreamProcessor.cpp

@@ -194 +194 @@
-        {
-            // we are too late
-Y_VER
+
-                        "Too late: CY=%04u, TC=%04u, CUT=%04d, TSP=%011llu (%04u)\n",
-                        CYCLE_TIMER_GET_CYCLES(pkt_ctr),

branches/libffado-2.0/src/libutil/TimestampedBuffer.cpp

@@ -289 +289 @@
- *
- * Resets the TimestampedBuffer, clearing the buffers and counters.
-(not true yet: Also resets the DLL to the nominal values.)
+Also resets the DLL to the nominal values.
- *
- * \note when this is called, you should make sure that the buffer
@@ -300 +300 @@
-    ffado_ringbuffer_reset(m_event_buffer);
-    resetFrameCounter();
+
+    m_current_rate = m_nominal_rate;
+    m_dll_e2=m_nominal_rate * (float)m_update_period;
+    // this will init the internal timestamps to a sensible value
+    setBufferTailTimestamp(m_buffer_tail_timestamp);
+
-    return true;
-}