From 11544ebe755cdcf345f53c581c2b1370ccd95e87 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Tue, 28 Jan 2014 11:24:53 +0000
Subject: Try to prevent windows machines going to sleep during encodes.

---
 src/lib/cross.cc   | 8 ++++++++
 src/lib/cross.h    | 1 +
 src/lib/encoder.cc | 2 ++
 3 files changed, 11 insertions(+)

(limited to 'src/lib')

diff --git a/src/lib/cross.cc b/src/lib/cross.cc
index 57b3f93b2..9f7a76124 100644
--- a/src/lib/cross.cc
+++ b/src/lib/cross.cc
@@ -298,3 +298,11 @@ dcpomatic_fseek (FILE* stream, int64_t offset, int whence)
 	return fseek (stream, offset, whence);
 #endif	
 }
+
+void
+kick ()
+{
+#ifdef DCPOMATIC_WINDOWS
+	SetThreadExecutionState (ES_CONTINUOUS);
+#endif	
+}
diff --git a/src/lib/cross.h b/src/lib/cross.h
index 7e032e5a1..822b36631 100644
--- a/src/lib/cross.h
+++ b/src/lib/cross.h
@@ -35,3 +35,4 @@ extern boost::filesystem::path app_contents ();
 #endif
 extern FILE * fopen_boost (boost::filesystem::path, std::string);
 extern int dcpomatic_fseek (FILE *, int64_t, int);
+void kick ();
diff --git a/src/lib/encoder.cc b/src/lib/encoder.cc
index fbec3e4d0..92b4763be 100644
--- a/src/lib/encoder.cc
+++ b/src/lib/encoder.cc
@@ -180,6 +180,8 @@ Encoder::frame_done ()
 void
 Encoder::process_video (shared_ptr<PlayerImage> image, Eyes eyes, ColourConversion conversion, bool same)
 {
+	kick ();
+	
 	boost::mutex::scoped_lock lock (_mutex);
 
 	/* XXX: discard 3D here if required */
-- 
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