Add libva to chromium third_party.

third_party/libva/test/loadsurface.h

+/*
+ * 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.
+ */
+#include "loadsurface_yuv.h"
+
+static int scale_2dimage(unsigned char *src_img, int src_imgw, int src_imgh,
+                  unsigned char *dst_img, int dst_imgw, int dst_imgh)
+{
+    int row=0, col=0;
+
+    for (row=0; row<dst_imgh; row++) {
+        for (col=0; col<dst_imgw; col++) {
+            *(dst_img + row * dst_imgw + col) = *(src_img + (row * src_imgh/dst_imgh) * src_imgw + col * src_imgw/dst_imgw);
+        }
+    }
+
+    return 0;
+}
+
+
+static int YUV_blend_with_pic(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 fixed_alpha)
+{
+    /* PIC YUV format */
+    unsigned char *pic_y_old = yuvga_pic;
+    unsigned char *pic_u_old = pic_y_old + 640*480;
+    unsigned char *pic_v_old = pic_u_old + 640*480/4;
+    unsigned char *pic_y, *pic_u, *pic_v;
+
+    int alpha_values[] = {100,90,80,70,60,50,40,30,20,30,40,50,60,70,80,90};
+    
+    static int alpha_idx = 0;
+    int alpha;
+    int allocated = 0;
+    
+    int row, col;
+
+    if (fixed_alpha == 0) {
+        alpha = alpha_values[alpha_idx % 16 ];
+        alpha_idx ++;
+    } else
+        alpha = fixed_alpha;
+
+    //alpha = 0;
+    
+    pic_y = pic_y_old;
+    pic_u = pic_u_old;
+    pic_v = pic_v_old;
+    
+    if (width != 640 || height != 480) { /* need to scale the pic */
+        pic_y = (unsigned char *)malloc(width * height);
+        pic_u = (unsigned char *)malloc(width * height/4);
+        pic_v = (unsigned char *)malloc(width * height/4);
+
+        allocated = 1;
+        
+        scale_2dimage(pic_y_old, 640, 480,
+                      pic_y, width, height);
+        scale_2dimage(pic_u_old, 320, 240,
+                      pic_u, width/2, height/2);
+        scale_2dimage(pic_v_old, 320, 240,
+                      pic_v, width/2, height/2);
+    }
+
+    /* begin blend */
+
+    /* Y plane */
+    for (row=0; row<height; row++) 
+        for (col=0; col<width; col++) {
+            unsigned char *p = Y_start + row * Y_pitch + col;
+            unsigned char *q = pic_y + row * width + col;
+            
+            *p  = *p * (100 - alpha) / 100 + *q * alpha/100;
+        }
+
+    if (UV_interleave == 0) {
+        for (row=0; row<height/2; row++) 
+            for (col=0; col<width/2; col++) {
+                unsigned char *p = U_start + row * U_pitch + col;
+                unsigned char *q = pic_u + row * width/2 + col;
+            
+                *p  = *p * (100 - alpha) / 100 + *q * alpha/100;
+            }
+    
+        for (row=0; row<height/2; row++) 
+            for (col=0; col<width/2; col++) {
+                unsigned char *p = V_start + row * V_pitch + col;
+                unsigned char *q = pic_v + row * width/2 + col;
+            
+                *p  = *p * (100 - alpha) / 100 + *q * alpha/100;
+            }
+    }  else { /* NV12 */
+        for (row=0; row<height/2; row++) 
+            for (col=0; col<width/2; col++) {
+                unsigned char *pU = U_start + row * U_pitch + col*2;
+                unsigned char *qU = pic_u + row * width/2 + col;
+                unsigned char *pV = pU + 1;
+                unsigned char *qV = pic_v + row * width/2 + col;
+            
+                *pU  = *pU * (100 - alpha) / 100 + *qU * alpha/100;
+                *pV  = *pV * (100 - alpha) / 100 + *qV * alpha/100;
+            }
+    }
+        
+    
+    if (allocated) {
+        free(pic_y);
+        free(pic_u);
+        free(pic_v);
+    }
+    
+    return 0;
+}
+
+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, alpha;
+
+    /* 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);
+        }
+    }
+
+    if (getenv("AUTO_NOUV"))
+        return 0;
+
+    if (getenv("AUTO_ALPHA"))
+        alpha = 0;
+    else
+        alpha = 70;
+    
+    YUV_blend_with_pic(width,height,
+                       Y_start, Y_pitch,
+                       U_start, U_pitch,
+                       V_start, V_pitch,
+                       UV_interleave, alpha);
+    
+    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 = (char *)surface_p + surface_image.offsets[1];
+    V_start = (char *)surface_p + surface_image.offsets[2];
+
+    /* assume surface is planar format */
+    yuvgen_planar(surface_image.width, surface_image.height,
+                  (unsigned char *)surface_p, surface_image.pitches[0],
+                  (unsigned char *)U_start, surface_image.pitches[1],
+                  (unsigned char *)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;
+}