From 3f7db06e3cff366d07f604fee6e9ed590805e9dd Mon Sep 17 00:00:00 2001
From: Moritz Bunkus <moritz@bunkus.org>
Date: Sun, 3 Jun 2012 15:25:41 +0200
Subject: [PATCH] Pause between polling the mkvmerge process

Otherwise polling all the time uses excessive amounts of CPU
power. Fixes #762.
---
 ChangeLog              | 4 ++++
 src/mmg/mux_dialog.cpp | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 2e816beba..531ea4f25 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2012-06-03  Moritz Bunkus  <moritz@bunkus.org>
+
+	* mmg: bug fix: Fixed mmg's excessive CPU usage during muxing.
+
 2012-06-01  Moritz Bunkus  <moritz@bunkus.org>
 
 	* mkvmerge: bug fix: Reading DTS from AVI files often resulted in
diff --git a/src/mmg/mux_dialog.cpp b/src/mmg/mux_dialog.cpp
index 866d7adaa..cc253bd74 100644
--- a/src/mmg/mux_dialog.cpp
+++ b/src/mmg/mux_dialog.cpp
@@ -22,6 +22,7 @@
 #include <wx/listctrl.h>
 #include <wx/statusbr.h>
 #include <wx/statline.h>
+#include <wx/utils.h>
 
 #include "common/at_scope_exit.h"
 #include "common/fs_sys_helpers.h"
@@ -378,6 +379,8 @@ mux_thread::Entry() {
       if (TestDestroy())
         return nullptr;
       char_read = read_input(c, eof);
+      if (!char_read && !eof)
+        wxMilliSleep(100);
     }
 
     if ((c == '\n') || (c == '\r') || eof) {