diff -r 80975da52420 -r 43d09473c595 khronosfws/openmax_al/src/gst_adaptation/xaplaybackrateitfadaptation.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/khronosfws/openmax_al/src/gst_adaptation/xaplaybackrateitfadaptation.c	Fri May 14 16:22:35 2010 +0300
@@ -0,0 +1,209 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+#include <gst.h>
+#include "xaadaptationgst.h"
+#include "xamediaplayeradaptctx.h"
+#include "xaplaybackrateitfadaptation.h"
+#include "xaplayitfadaptation.h"
+
+/*XA_RATEPROP_STAGGEREDVIDEO,XA_RATEPROP_SMOOTHVIDEO,XA_RATEPROP_SILENTAUDIO,
+  XA_RATEPROP_STAGGEREDAUDIO,XA_RATEPROP_NOPITCHCORAUDIO,XA_RATEPROP_PITCHCORAUDIO*/
+#define SUPPORTEDPROPS (XA_RATEPROP_SMOOTHVIDEO | XA_RATEPROP_SILENTAUDIO)
+/* NOTE: currently rewind rates do not seem to work */
+#define MINRATE (100)
+#define MAXRATE 8000
+/*
+ * XAresult XAPlaybackRateItfAdapt_SetRate(XAAdaptationGstCtx *bCtx, XApermille rate)
+ * @param XAAdaptationGstCtx *bCtx - Adaptation context, this will be casted to correct type regarding to contextID value
+ * @param XApermille rate - new playback rate in permilles of original speed
+ * @return XAresult ret - Success value
+ */
+XAresult XAPlaybackRateItfAdapt_SetRate(XAAdaptationGstCtx *bCtx, XApermille rate)
+{
+    XAresult ret = XA_RESULT_SUCCESS;
+    XAMediaPlayerAdaptationCtx* mCtx = (XAMediaPlayerAdaptationCtx*) bCtx;
+    DEBUG_API_A1("->XAPlaybackRateItfAdapt_SetRate %d permilles", rate);
+
+    if( !bCtx || bCtx->baseObj.ctxId != XAMediaPlayerAdaptation )
+    {
+        DEBUG_ERR("Invalid context!");
+        return XA_RESULT_PARAMETER_INVALID;
+    }
+    if( rate<MINRATE || rate>MAXRATE )
+    {
+        DEBUG_ERR("Invalid rate!");
+        return XA_RESULT_PARAMETER_INVALID;
+    }
+    if(rate != 0)
+    {
+        mCtx->playrate = ((gdouble)rate)/1000;
+        if( GST_STATE(bCtx->bin) < GST_STATE_PAUSED )
+        {   /* This should not happen */
+            DEBUG_ERR("WARNING: Gst not prerolled yet!");
+        }
+        else
+        {
+            /* apply immediately */
+            XAAdaptationGst_PrepareAsyncWait(bCtx);
+            DEBUG_INFO_A1("Apply new playrate %f.", mCtx->playrate);
+            if(!gst_element_seek( bCtx->bin, mCtx->playrate, GST_FORMAT_TIME,
+                                (GstSeekFlags)(GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE),
+                                GST_SEEK_TYPE_NONE, 0,
+                                GST_SEEK_TYPE_NONE, -1))
+            {
+                DEBUG_ERR("WARN: gst reports seek not handled");
+            }
+            /* flushed seeks always asynchronous */
+            XAAdaptationGst_StartAsyncWait(bCtx);
+            DEBUG_INFO("New playrate handled.")
+            bCtx->waitingasyncop = XA_BOOLEAN_FALSE;
+        }
+    }
+    else
+    {  /* Gst do not accept rate of 0, pause instead */
+        mCtx->playrate = 1.0;
+        if( GST_STATE(bCtx->bin) > GST_STATE_PAUSED )
+        {
+            DEBUG_ERR("Pause playback");
+            XAPlayItfAdaptGST_SetPlayState((XAAdaptationBaseCtx *)bCtx, XA_PLAYSTATE_PAUSED);
+        }
+
+    }
+
+    DEBUG_API("<-XAPlaybackRateItfAdapt_SetRate");
+    return ret;
+}
+
+/*
+ * XAresult XAPlaybackRateItfAdapt_SetPropertyConstraints(XAAdaptationGstCtx *bCtx,
+ *                                                       XAuint32 constraints)
+ */
+XAresult XAPlaybackRateItfAdapt_SetPropertyConstraints(XAAdaptationGstCtx *bCtx,
+                                                       XAuint32 constraints)
+{
+    XAresult ret = XA_RESULT_SUCCESS;
+    XAMediaPlayerAdaptationCtx* mCtx = NULL;
+    DEBUG_API("->XAPlaybackRateItfAdapt_SetPropertyConstraints");
+
+    if( !bCtx || bCtx->baseObj.ctxId != XAMediaPlayerAdaptation )
+    {
+        DEBUG_ERR("Invalid context!");
+        return XA_RESULT_PARAMETER_INVALID;
+    }
+    mCtx = (XAMediaPlayerAdaptationCtx*) bCtx;
+    if( (constraints & SUPPORTEDPROPS ) == 0 )
+    {
+        DEBUG_ERR("constraints cannot be satisfied!!");
+        ret = XA_RESULT_FEATURE_UNSUPPORTED;
+    }
+    else
+    {
+        mCtx->rateprops = SUPPORTEDPROPS & constraints;
+    }
+    DEBUG_API("<-XAPlaybackRateItfAdapt_SetPropertyConstraints");
+    return ret;
+}
+
+/*
+ * XAresult XAPlaybackRateItfAdapt_GetProperties(XAAdaptationGstCtx *bCtx,
+ *                                              XAuint32 *pProperties)
+ */
+XAresult XAPlaybackRateItfAdapt_GetProperties(XAAdaptationGstCtx *bCtx,
+                                               XAuint32 *pProperties)
+{
+    XAresult ret = XA_RESULT_SUCCESS;
+    XAMediaPlayerAdaptationCtx* mCtx = NULL;
+    DEBUG_API("->XAPlaybackRateItfAdapt_GetProperties");
+
+    if( !bCtx || bCtx->baseObj.ctxId != XAMediaPlayerAdaptation )
+    {
+        DEBUG_ERR("Invalid context!");
+        return XA_RESULT_PARAMETER_INVALID;
+    }
+    mCtx = (XAMediaPlayerAdaptationCtx*) bCtx;
+    *pProperties = mCtx->rateprops;
+
+    DEBUG_API("<-XAPlaybackRateItfAdapt_GetProperties");
+    return ret;
+}
+
+
+XAresult XAPlaybackRateItfAdapt_GetCapabilitiesOfRate(XAAdaptationGstCtx *bCtx,
+                                                       XApermille rate,
+                                                       XAuint32 *pCapabilities)
+{
+    XAresult ret = XA_RESULT_SUCCESS;
+    
+    DEBUG_API("->XAPlaybackRateItfAdapt_GetCapabilitiesOfRate");
+    if( !bCtx || bCtx->baseObj.ctxId != XAMediaPlayerAdaptation )
+    {
+        DEBUG_ERR("Invalid context!");
+        return XA_RESULT_PARAMETER_INVALID;
+    }
+
+    if( rate<MINRATE || rate>MAXRATE )
+    {
+        DEBUG_ERR("Invalid rate!");
+        *pCapabilities = 0;
+        ret = XA_RESULT_PARAMETER_INVALID;
+    }
+    else
+    {
+        *pCapabilities = SUPPORTEDPROPS;
+    }
+
+    DEBUG_API("<-XAPlaybackRateItfAdapt_GetCapabilitiesOfRate");
+    return ret;
+}
+
+
+XAresult XAPlaybackRateItfAdapt_GetRateRange(XAAdaptationGstCtx *bCtx,
+                                             XAuint8 index,
+                                             XApermille *pMinRate,
+                                             XApermille *pMaxRate,
+                                             XApermille *pStepSize,
+                                             XAuint32 *pCapabilities)
+{
+    XAresult ret = XA_RESULT_SUCCESS;
+
+    DEBUG_API("->XAPlaybackRateItfAdapt_GetRateRange");
+
+    if( !bCtx || bCtx->baseObj.ctxId != XAMediaPlayerAdaptation )
+    {
+        DEBUG_ERR("Invalid context!");
+        return XA_RESULT_PARAMETER_INVALID;
+    }
+
+    /* NOTE: hardcoded values, cannot be queried from gst */
+    /* only one range supported */
+    if( index>0 )
+    {
+        ret = XA_RESULT_PARAMETER_INVALID;
+    }
+    else
+    {
+        *pMinRate = MINRATE;
+        *pMaxRate = MAXRATE;
+        *pStepSize = 0; /* continuous range */
+        *pCapabilities = SUPPORTEDPROPS;
+    }
+
+    DEBUG_API("<-XAPlaybackRateItfAdapt_GetRateRange");
+    return ret;
+}
+