[Scummvm-cvs-logs] SF.net SVN: scummvm: [32846] scummvm/trunk/backends/platform/null/null.cpp

[joostp at users.sourceforge.net]

Revision: 32846
          http://scummvm.svn.sourceforge.net/scummvm/?rev=32846&view=rev
Author:   joostp
Date:     2008-06-29 16:36:44 -0700 (Sun, 29 Jun 2008)

Log Message:
-----------
changes required for new mixer API + implement getMillis() and delayMillis() using gettimeofday() and usleep() resp.

Modified Paths:
--------------
    scummvm/trunk/backends/platform/null/null.cpp

Modified: scummvm/trunk/backends/platform/null/null.cpp
===================================================================
--- scummvm/trunk/backends/platform/null/null.cpp	2008-06-29 19:59:16 UTC (rev 32845)
+++ scummvm/trunk/backends/platform/null/null.cpp	2008-06-29 23:36:44 UTC (rev 32846)
@@ -28,11 +28,16 @@
 
 #if defined(USE_NULL_DRIVER)
 
+#ifdef UNIX
+#include <unistd.h>
+#include <sys/time.h>
+#endif
+
 #include "common/rect.h"
 
 #include "backends/saves/default/default-saves.h"
 #include "backends/timer/default/default-timer.h"
-#include "sound/mixer.h"
+#include "sound/mixer_intern.h"
 
 /*
  * Include header files needed for the getFilesystemFactory() method.
@@ -50,9 +55,10 @@
 class OSystem_NULL : public OSystem {
 protected:
 	Common::SaveFileManager *_savefile;
-	Audio::Mixer *_mixer;
+	Audio::MixerImpl *_mixer;
 	Common::TimerManager *_timer;
 
+	timeval _startTime;
 public:
 
 	OSystem_NULL();
@@ -106,8 +112,6 @@
 
 	typedef void (*SoundProc)(void *param, byte *buf, int len);
 	virtual bool setSoundCallback(SoundProc proc, void *param);
-	virtual void clearSoundCallback();
-	virtual int getOutputSampleRate() const;
 
 	virtual void quit();
 
@@ -139,9 +143,14 @@
 
 void OSystem_NULL::initBackend() {
 	_savefile = new DefaultSaveFileManager();
-	_mixer = new Audio::Mixer();
+	_mixer = new Audio::MixerImpl(this);
 	_timer = new DefaultTimerManager();
 
+	_mixer->setOutputRate(22050);
+	_mixer->setReady(false);
+
+	gettimeofday(&_startTime, NULL);
+
 	// Note that both the mixer and the timer manager are useless
 	// this way; they need to be hooked into the system somehow to
 	// be functional. Of course, can't do that in a NULL backend :).
@@ -260,10 +269,20 @@
 }
 
 uint32 OSystem_NULL::getMillis() {
+#ifdef UNIX
+	timeval curTime;
+	gettimeofday(&curTime, NULL);
+	return (uint32)(((curTime.tv_sec - _startTime.tv_sec) * 1000) + \
+			((curTime.tv_usec - _startTime.tv_usec) / 1000));
+#else
 	return 0;
+#endif
 }
 
 void OSystem_NULL::delayMillis(uint msecs) {
+#ifdef UNIX
+	usleep(msecs * 1000);
+#endif
 }
 
 OSystem::MutexRef OSystem_NULL::createMutex(void) {
@@ -283,10 +302,6 @@
 	return true;
 }
 
-int OSystem_NULL::getOutputSampleRate() const {
-	return 22050;
-}
-
 void OSystem_NULL::quit() {
 }
 


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