Fix for issue 3400229 Pan and Zoom effect is not accurate in core

Change-Id: I14e79bc5b75772df5095dc96bef2fabfa6763af1

2 files changed, 34 insertions, 33 deletions

diff --git a/libvideoeditor/vss/src/M4xVSS_API.c b/libvideoeditor/vss/src/M4xVSS_API.c
index 33c28b0..0966a64 100755
--- a/libvideoeditor/vss/src/M4xVSS_API.c
+++ b/libvideoeditor/vss/src/M4xVSS_API.c
@@ -1970,25 +1970,25 @@ M4OSA_ERR M4xVSS_SendCommand( M4OSA_Context pContext,
                 pParams->isPanZoom =
                     xVSS_context->pSettings->pClipList[i]->xVSS.isPanZoom;
                 /* Check that Pan & Zoom parameters are corrects */
-                if( xVSS_context->pSettings->pClipList[i]->xVSS.PanZoomXa > 100
+                if( xVSS_context->pSettings->pClipList[i]->xVSS.PanZoomXa > 1000
                     || xVSS_context->pSettings->pClipList[i]->xVSS.PanZoomXa
                     <= 0 || xVSS_context->pSettings->pClipList[i]->xVSS.
-                    PanZoomTopleftXa > 100
+                    PanZoomTopleftXa > 1000
                     || xVSS_context->pSettings->pClipList[i]->xVSS.
                     PanZoomTopleftXa < 0
                     || xVSS_context->pSettings->pClipList[i]->xVSS.
-                    PanZoomTopleftYa > 100
+                    PanZoomTopleftYa > 1000
                     || xVSS_context->pSettings->pClipList[i]->xVSS.
                     PanZoomTopleftYa < 0
                     || xVSS_context->pSettings->pClipList[i]->xVSS.PanZoomXb
-                    > 100
+                    > 1000
                     || xVSS_context->pSettings->pClipList[i]->xVSS.PanZoomXb
                     <= 0 || xVSS_context->pSettings->pClipList[i]->xVSS.
-                    PanZoomTopleftXb > 100
+                    PanZoomTopleftXb > 1000
                     || xVSS_context->pSettings->pClipList[i]->xVSS.
                     PanZoomTopleftXb < 0
                     || xVSS_context->pSettings->pClipList[i]->xVSS.
-                    PanZoomTopleftYb > 100
+                    PanZoomTopleftYb > 1000
                     || xVSS_context->pSettings->pClipList[i]->xVSS.
                     PanZoomTopleftYb < 0 )
                 {
@@ -2454,25 +2454,25 @@ replaceJPG_3GP:
                         pParams->isPanZoom =
                             xVSS_context->pSettings->pClipList[i]->xVSS.isPanZoom;
                         /* Check that Pan & Zoom parameters are corrects */
-                        if( xVSS_context->pSettings->pClipList[i]->xVSS.PanZoomXa > 100
+                        if( xVSS_context->pSettings->pClipList[i]->xVSS.PanZoomXa > 1000
                             || xVSS_context->pSettings->pClipList[i]->xVSS.PanZoomXa
                             <= 0 || xVSS_context->pSettings->pClipList[i]->xVSS.
-                            PanZoomTopleftXa > 100
+                            PanZoomTopleftXa > 1000
                             || xVSS_context->pSettings->pClipList[i]->xVSS.
                             PanZoomTopleftXa < 0
                             || xVSS_context->pSettings->pClipList[i]->xVSS.
-                            PanZoomTopleftYa > 100
+                            PanZoomTopleftYa > 1000
                             || xVSS_context->pSettings->pClipList[i]->xVSS.
                             PanZoomTopleftYa < 0
                             || xVSS_context->pSettings->pClipList[i]->xVSS.PanZoomXb
-                            > 100
+                            > 1000
                             || xVSS_context->pSettings->pClipList[i]->xVSS.PanZoomXb
                             <= 0 || xVSS_context->pSettings->pClipList[i]->xVSS.
-                            PanZoomTopleftXb > 100
+                            PanZoomTopleftXb > 1000
                             || xVSS_context->pSettings->pClipList[i]->xVSS.
                             PanZoomTopleftXb < 0
                             || xVSS_context->pSettings->pClipList[i]->xVSS.
-                            PanZoomTopleftYb > 100
+                            PanZoomTopleftYb > 1000
                             || xVSS_context->pSettings->pClipList[i]->xVSS.
                             PanZoomTopleftYb < 0 )
                         {
diff --git a/libvideoeditor/vss/src/M4xVSS_internal.c b/libvideoeditor/vss/src/M4xVSS_internal.c
index fbff915..93ecf2c 100755
--- a/libvideoeditor/vss/src/M4xVSS_internal.c
+++ b/libvideoeditor/vss/src/M4xVSS_internal.c
@@ -682,20 +682,20 @@ M4OSA_ERR M4xVSS_PictureCallbackFct(M4OSA_Void* pPictureCtxt, M4VIFI_ImagePlane*
                 {
                     /*The ratio is 0, that means the area of the picture defined with (a)
                     parameters is bigger than the image size*/
-                    if(pC->m_pPto3GPPparams->PanZoomTopleftXa + tempPanzoomXa > 100)
+                    if(pC->m_pPto3GPPparams->PanZoomTopleftXa + tempPanzoomXa > 1000)
                     {
                         /*The oversize is maxRatio*/
-                        maxRatio = pC->m_pPto3GPPparams->PanZoomTopleftXa + tempPanzoomXa - 100;
+                        maxRatio = pC->m_pPto3GPPparams->PanZoomTopleftXa + tempPanzoomXa - 1000;
                     }
                 }
                 else
                 {
                     /*The ratio is 0, that means the area of the picture defined with (a)
                      parameters is bigger than the image size*/
-                    if(pC->m_pPto3GPPparams->PanZoomTopleftYa + tempPanzoomXa > 100)
+                    if(pC->m_pPto3GPPparams->PanZoomTopleftYa + tempPanzoomXa > 1000)
                     {
                         /*The oversize is maxRatio*/
-                        maxRatio = pC->m_pPto3GPPparams->PanZoomTopleftYa + tempPanzoomXa - 100;
+                        maxRatio = pC->m_pPto3GPPparams->PanZoomTopleftYa + tempPanzoomXa - 1000;
                     }
                 }
                 /*Modify the (a) parameters:*/
@@ -723,17 +723,17 @@ M4OSA_ERR M4xVSS_PictureCallbackFct(M4OSA_Void* pPictureCtxt, M4VIFI_ImagePlane*
                 }
                 /*The new ratio is the original one*/
                 pC->m_pPto3GPPparams->PanZoomXa = tempPanzoomXa;
-                if(pC->m_pPto3GPPparams->PanZoomXa + pC->m_pPto3GPPparams->PanZoomTopleftXa > 100)
+                if(pC->m_pPto3GPPparams->PanZoomXa + pC->m_pPto3GPPparams->PanZoomTopleftXa > 1000)
                 {
                     /*Change the ratio if the area of the picture defined with (a) parameters is
                     bigger than the image size*/
-                    pC->m_pPto3GPPparams->PanZoomXa = 100 - pC->m_pPto3GPPparams->PanZoomTopleftXa;
+                    pC->m_pPto3GPPparams->PanZoomXa = 1000 - pC->m_pPto3GPPparams->PanZoomTopleftXa;
                 }
-                if(pC->m_pPto3GPPparams->PanZoomXa + pC->m_pPto3GPPparams->PanZoomTopleftYa > 100)
+                if(pC->m_pPto3GPPparams->PanZoomXa + pC->m_pPto3GPPparams->PanZoomTopleftYa > 1000)
                 {
                     /*Change the ratio if the area of the picture defined with (a) parameters is
                     bigger than the image size*/
-                    pC->m_pPto3GPPparams->PanZoomXa = 100 - pC->m_pPto3GPPparams->PanZoomTopleftYa;
+                    pC->m_pPto3GPPparams->PanZoomXa = 1000 - pC->m_pPto3GPPparams->PanZoomTopleftYa;
                 }
             }
             /*Check (b) parameters*/
@@ -745,20 +745,20 @@ M4OSA_ERR M4xVSS_PictureCallbackFct(M4OSA_Void* pPictureCtxt, M4VIFI_ImagePlane*
                 {
                     /*The ratio is 0, that means the area of the picture defined with (b)
                      parameters is bigger than the image size*/
-                    if(pC->m_pPto3GPPparams->PanZoomTopleftXb + tempPanzoomXb > 100)
+                    if(pC->m_pPto3GPPparams->PanZoomTopleftXb + tempPanzoomXb > 1000)
                     {
                         /*The oversize is maxRatio*/
-                        maxRatio = pC->m_pPto3GPPparams->PanZoomTopleftXb + tempPanzoomXb - 100;
+                        maxRatio = pC->m_pPto3GPPparams->PanZoomTopleftXb + tempPanzoomXb - 1000;
                     }
                 }
                 else
                 {
                     /*The ratio is 0, that means the area of the picture defined with (b)
                      parameters is bigger than the image size*/
-                    if(pC->m_pPto3GPPparams->PanZoomTopleftYb + tempPanzoomXb > 100)
+                    if(pC->m_pPto3GPPparams->PanZoomTopleftYb + tempPanzoomXb > 1000)
                     {
                         /*The oversize is maxRatio*/
-                        maxRatio = pC->m_pPto3GPPparams->PanZoomTopleftYb + tempPanzoomXb - 100;
+                        maxRatio = pC->m_pPto3GPPparams->PanZoomTopleftYb + tempPanzoomXb - 1000;
                     }
                 }
                 /*Modify the (b) parameters:*/
@@ -786,17 +786,17 @@ M4OSA_ERR M4xVSS_PictureCallbackFct(M4OSA_Void* pPictureCtxt, M4VIFI_ImagePlane*
                 }
                 /*The new ratio is the original one*/
                 pC->m_pPto3GPPparams->PanZoomXb = tempPanzoomXb;
-                if(pC->m_pPto3GPPparams->PanZoomXb + pC->m_pPto3GPPparams->PanZoomTopleftXb > 100)
+                if(pC->m_pPto3GPPparams->PanZoomXb + pC->m_pPto3GPPparams->PanZoomTopleftXb > 1000)
                 {
                     /*Change the ratio if the area of the picture defined with (b) parameters is
                     bigger than the image size*/
-                    pC->m_pPto3GPPparams->PanZoomXb = 100 - pC->m_pPto3GPPparams->PanZoomTopleftXb;
+                    pC->m_pPto3GPPparams->PanZoomXb = 1000 - pC->m_pPto3GPPparams->PanZoomTopleftXb;
                 }
-                if(pC->m_pPto3GPPparams->PanZoomXb + pC->m_pPto3GPPparams->PanZoomTopleftYb > 100)
+                if(pC->m_pPto3GPPparams->PanZoomXb + pC->m_pPto3GPPparams->PanZoomTopleftYb > 1000)
                 {
                     /*Change the ratio if the area of the picture defined with (b) parameters is
                     bigger than the image size*/
-                    pC->m_pPto3GPPparams->PanZoomXb = 100 - pC->m_pPto3GPPparams->PanZoomTopleftYb;
+                    pC->m_pPto3GPPparams->PanZoomXb = 1000 - pC->m_pPto3GPPparams->PanZoomTopleftYb;
                 }
             }
 
@@ -823,32 +823,33 @@ M4OSA_ERR M4xVSS_PictureCallbackFct(M4OSA_Void* pPictureCtxt, M4VIFI_ImagePlane*
             (M4OSA_Int16)((pC->m_pPto3GPPparams->PanZoomXb - pC->m_pPto3GPPparams->PanZoomXa) *
             pC->m_ImageCounter) / (M4OSA_Double)pC->m_NbImage)) / 100;
  */
+            // Instead of using pC->m_NbImage we have to use (pC->m_NbImage-1) as pC->m_ImageCounter
+            // will be x-1 max for x no. of frames
             Params.m_inputCoord.m_x = (M4OSA_UInt32)((((M4OSA_Double)pC->m_pDecodedPlane->u_width *
                 (pC->m_pPto3GPPparams->PanZoomTopleftXa +
                 (M4OSA_Double)((M4OSA_Double)(pC->m_pPto3GPPparams->PanZoomTopleftXb\
                      - pC->m_pPto3GPPparams->PanZoomTopleftXa) *
-                pC->m_ImageCounter) / (M4OSA_Double)pC->m_NbImage)) / 100) + 0.5);
+                pC->m_ImageCounter) / (M4OSA_Double)pC->m_NbImage-1)) / 1000));
             Params.m_inputCoord.m_y =
                  (M4OSA_UInt32)((((M4OSA_Double)pC->m_pDecodedPlane->u_height *
                 (pC->m_pPto3GPPparams->PanZoomTopleftYa +
                 (M4OSA_Double)((M4OSA_Double)(pC->m_pPto3GPPparams->PanZoomTopleftYb\
                      - pC->m_pPto3GPPparams->PanZoomTopleftYa) *
-                pC->m_ImageCounter) / (M4OSA_Double)pC->m_NbImage)) / 100) + 0.5);
+                pC->m_ImageCounter) / (M4OSA_Double)pC->m_NbImage-1)) / 1000));
 
             Params.m_inputSize.m_width =
                  (M4OSA_UInt32)((((M4OSA_Double)pC->m_pDecodedPlane->u_width *
                 (pC->m_pPto3GPPparams->PanZoomXa +
                 (M4OSA_Double)((M4OSA_Double)(pC->m_pPto3GPPparams->PanZoomXb\
                      - pC->m_pPto3GPPparams->PanZoomXa) *
-                pC->m_ImageCounter) / (M4OSA_Double)pC->m_NbImage)) / 100) + 0.5);
+                pC->m_ImageCounter) / (M4OSA_Double)pC->m_NbImage-1)) / 1000));
 
             Params.m_inputSize.m_height =
                  (M4OSA_UInt32)((((M4OSA_Double)pC->m_pDecodedPlane->u_height *
                 (pC->m_pPto3GPPparams->PanZoomXa +
                 (M4OSA_Double)((M4OSA_Double)(pC->m_pPto3GPPparams->PanZoomXb \
                     - pC->m_pPto3GPPparams->PanZoomXa) *
-                pC->m_ImageCounter) / (M4OSA_Double)pC->m_NbImage)) / 100) + 0.5);
-
+                pC->m_ImageCounter) / (M4OSA_Double)pC->m_NbImage-1)) / 1000));
 
             if((Params.m_inputSize.m_width + Params.m_inputCoord.m_x)\
                  > pC->m_pDecodedPlane->u_width)