mm-video:vdec: Fix C2D output buffer stride and sliceheight.

  -C2D output buffers are aligned to 16 bit width for YUV-SP.

Change-Id: I3ed6324eb2c96df159def6c4548ab13bfc95c260

Author: c_sridur

mm-video/vidc/vdec/src/omx_vdec.cpp

@@ -131,6 +131,7 @@ char ouputextradatafilename [] = "/data/extradata";
 #define DEVICE_SCRATCH 64
 #endif
 
+#define C2D_SP_YBUF_ALIGN 16
 /*
 #ifdef _ANDROID_
     extern "C"{
@@ -8524,10 +8525,13 @@ OMX_ERRORTYPE omx_vdec::update_portdef(OMX_PARAM_PORTDEFINITIONTYPE *portDefn)
   portDefn->format.video.nFrameWidth  =  drv_ctx.video_resolution.frame_width;
   portDefn->format.video.nStride = drv_ctx.video_resolution.stride;
   portDefn->format.video.nSliceHeight = drv_ctx.video_resolution.scan_lines;
-  if ((portDefn->format.video.eColorFormat == OMX_COLOR_FormatYUV420Planar) ||
-      (portDefn->format.video.eColorFormat == OMX_COLOR_FormatYUV420SemiPlanar)) {
+  if (portDefn->format.video.eColorFormat == OMX_COLOR_FormatYUV420Planar) {
       portDefn->format.video.nStride = drv_ctx.video_resolution.frame_width;
       portDefn->format.video.nFrameHeight = drv_ctx.video_resolution.frame_height;
+  } else if (portDefn->format.video.eColorFormat == OMX_COLOR_FormatYUV420SemiPlanar) {
+      portDefn->format.video.nStride = drv_ctx.video_resolution.frame_width + (C2D_SP_YBUF_ALIGN-1)&~(C2D_SP_YBUF_ALIGN-1);
+      portDefn->format.video.nFrameHeight = drv_ctx.video_resolution.frame_height;
+      portDefn->format.video.nSliceHeight = drv_ctx.video_resolution.frame_height;
   }
   DEBUG_PRINT_LOW("update_portdef: PortIndex = %u, Width = %d Height = %d "
     "Stride = %u SliceHeight = %u output format = 0x%x, eColorFormat = 0x%x",