shithub: openh264

Download patch

ref: cf07d61f0622a886d657abf3e694d6cc1043bf89
parent: 73cc5862bad6518709f9a74f194d008fd2150734
author: Martin Storsjö <[email protected]>
date: Mon Mar 3 11:18:31 EST 2014 

Do a blocking wait with WelsMultipleEventsWaitSingleBlocking

There is no point in doing a timed wait here - there's no work
that we can do if the wait timed out, and sleeping for 1 ms
inbetween doesn't help, it only adds potential extra latency
to reacting to threads that need more work to do.


--- a/codec/encoder/core/src/encoder_ext.cpp
+++ b/codec/encoder/core/src/encoder_ext.cpp
@@ -3280,7 +3280,7 @@
 
             lwait = WelsMultipleEventsWaitSingleBlocking (iNumThreadsScheduled,
                     &pCtx->pSliceThreading->pSliceCodedEvent[0],
-                    2);	// 2 ms for one tick
+                    (uint32_t) -1);
             iEventId = (int32_t) (lwait - WELS_THREAD_ERROR_WAIT_OBJECT_0);
             if (iEventId >= 0 && iEventId < iNumThreadsScheduled) {
               if (iIndexOfSliceToBeCoded < iSliceCount) {
@@ -3293,8 +3293,6 @@
               } else {	// no other slices left for coding
                 -- iNumThreadsRunning;
               }
-            } else {
-              WelsSleep (1);
             }
 #else
             // TODO for pthread platforms