From 31b59c0fd16f07350091f974d5b9f05c67299796 Mon Sep 17 00:00:00 2001
From: "Liu, Shuo" <shuo.liu@intel.com>
Date: Mon, 31 Jan 2011 12:27:39 +0800
Subject: Enable video playback in libva

Change-Id: I008da4aa5966ef226b3ec65051970498490a1a8e
Signed-off-by: Liu, Shuo <shuo.liu@intel.com>
---
 test/encode/loadsurface.h | 121 +++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 120 insertions(+), 1 deletion(-)
 mode change 120000 => 100644 test/encode/loadsurface.h

(limited to 'test/encode/loadsurface.h')

diff --git a/test/encode/loadsurface.h b/test/encode/loadsurface.h
deleted file mode 120000
index fb38e2f..0000000
--- a/test/encode/loadsurface.h
+++ /dev/null
@@ -1 +0,0 @@
-../putsurface/loadsurface.h
\ No newline at end of file
diff --git a/test/encode/loadsurface.h b/test/encode/loadsurface.h
new file mode 100644
index 0000000..ef792c8
--- /dev/null
+++ b/test/encode/loadsurface.h
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2008-2009 Intel Corporation. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+static int yuvgen_planar(int width, int height,
+                         unsigned char *Y_start, int Y_pitch,
+                         unsigned char *U_start, int U_pitch,
+                         unsigned char *V_start, int V_pitch,
+                         int UV_interleave, int box_width, int row_shift,
+                         int field)
+{
+    int row;
+
+    /* copy Y plane */
+    for (row=0;row<height;row++) {
+        unsigned char *Y_row = Y_start + row * Y_pitch;
+        int jj, xpos, ypos;
+
+        ypos = (row / box_width) & 0x1;
+
+        /* fill garbage data into the other field */
+        if (((field == VA_TOP_FIELD) && (row &1))
+            || ((field == VA_BOTTOM_FIELD) && ((row &1)==0))) { 
+            memset(Y_row, 0xff, width);
+            continue;
+        }
+        
+        for (jj=0; jj<width; jj++) {
+            xpos = ((row_shift + jj) / box_width) & 0x1;
+                        
+            if ((xpos == 0) && (ypos == 0))
+                Y_row[jj] = 0xeb;
+            if ((xpos == 1) && (ypos == 1))
+                Y_row[jj] = 0xeb;
+                        
+            if ((xpos == 1) && (ypos == 0))
+                Y_row[jj] = 0x10;
+            if ((xpos == 0) && (ypos == 1))
+                Y_row[jj] = 0x10;
+        }
+    }
+  
+    /* copy UV data */
+    for( row =0; row < height/2; row++) {
+        unsigned short value = 0x80;
+
+        /* fill garbage data into the other field */
+        if (((field == VA_TOP_FIELD) && (row &1))
+            || ((field == VA_BOTTOM_FIELD) && ((row &1)==0))) {
+            value = 0xff;
+        }
+
+        if (UV_interleave) {
+            unsigned short *UV_row = (unsigned short *)(U_start + row * U_pitch);
+
+            memset(UV_row, value, width);
+        } else {
+            unsigned char *U_row = U_start + row * U_pitch;
+            unsigned char *V_row = V_start + row * V_pitch;
+            
+            memset (U_row,value,width/2);
+            memset (V_row,value,width/2);
+        }
+    }
+
+    return 0;
+}
+
+static int upload_surface(VADisplay va_dpy, VASurfaceID surface_id,
+                          int box_width, int row_shift,
+                          int field)
+{
+    VAImage surface_image;
+    void *surface_p=NULL, *U_start,*V_start;
+    VAStatus va_status;
+    
+    va_status = vaDeriveImage(va_dpy,surface_id,&surface_image);
+    CHECK_VASTATUS(va_status,"vaDeriveImage");
+
+    vaMapBuffer(va_dpy,surface_image.buf,&surface_p);
+    assert(VA_STATUS_SUCCESS == va_status);
+        
+    U_start = surface_p + surface_image.offsets[1];
+    V_start = surface_p + surface_image.offsets[2];
+
+    /* assume surface is planar format */
+    yuvgen_planar(surface_image.width, surface_image.height,
+                  surface_p, surface_image.pitches[0],
+                  U_start, surface_image.pitches[1],
+                  V_start, surface_image.pitches[2],
+                  (surface_image.format.fourcc==VA_FOURCC_NV12),
+                  box_width, row_shift, field);
+        
+    vaUnmapBuffer(va_dpy,surface_image.buf);
+
+    vaDestroyImage(va_dpy,surface_image.image_id);
+
+    return 0;
+}
-- 
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