libva backend

va/Android.mk

 LOCAL_PATH:= $(call my-dir)
 
+LIBVA_MINOR_VERSION := 31
+LIBVA_MAJOR_VERSION := 0 
+
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES := \
-   android/va_android.c 
+   va.c \
+   va_trace.c \
+   android/va_android.c \
 
 LOCAL_CFLAGS += -DHAVE_CONFIG_H \
        -DIN_LIBVA \
+       -DANDROID \
 
 LOCAL_C_INCLUDES += \
    $(TOPDIR)kernel/include \
    $(TARGET_OUT_HEADERS)/libva \
-   $(TOPDIR)kernel/include/drm 
-
-LOCAL_CC := g++
+   $(TOPDIR)kernel/include/drm
 
 LOCAL_COPY_HEADERS_TO := libva/va
 
@@ -21,6 +25,7 @@ LOCAL_COPY_HEADERS := \
    va.h	\
    va_backend.h \
    va_version.h.in \
+   x11/va_dricommon.h \
    va_android.h		
 
 LOCAL_MODULE := libva_android

va/android/va_android.c

@@ -23,9 +23,10 @@
  */
 
 #define _GNU_SOURCE 1
-#include "../va.h"
-#include "../va_backend.h"
-#include "../va_android.h"
+#include "va.h"
+#include "va_backend.h"
+#include "va_android.h"
+#include "x11/va_dricommon.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
@@ -34,10 +35,44 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
+#include <dlfcn.h>
 #include <errno.h>
 
+#define CHECK_SYMBOL(func) { if (!func) printf("func %s not found\n", #func); return VA_STATUS_ERROR_UNKNOWN; }
+#define DEVICE_NAME "/dev/dri/card0"
+
 static VADisplayContextP pDisplayContexts = NULL;
 
+static int open_device (char *dev_name)
+{
+  struct stat st;
+  int fd;
+
+  if (-1 == stat (dev_name, &st))
+    {
+      printf ("Cannot identify '%s': %d, %s\n",
+               dev_name, errno, strerror (errno));
+      return -1;
+    }
+
+  if (!S_ISCHR (st.st_mode))
+    {
+      printf ("%s is no device\n", dev_name);
+      return -1;
+    }
+
+  fd = open (dev_name, O_RDWR /* required */  | O_NONBLOCK, 0);
+
+  if (-1 == fd)
+    {
+      fprintf (stderr, "Cannot open '%s': %d, %s\n",
+               dev_name, errno, strerror (errno));
+      return -1;
+    }
+
+  return fd;
+}
+
 static int va_DisplayContextIsValid (
     VADisplayContextP pDisplayContext
 )
@@ -78,7 +113,7 @@ static VAStatus va_DisplayContextGetDriverName (
         unsigned int device_id;
         char driver_name[64];
     } devices[] = {
-        { 0x8086, 0x4100, "android" },
+        { 0x8086, 0x4100, "psb" },
     };
 
     if (driver_name)
@@ -111,13 +146,27 @@ VADisplay vaGetDisplay (
       pDisplayContext = pDisplayContext->pNext;
   }
 
+
   if (!dpy)
   {
       /* create new entry */
       VADriverContextP pDriverContext;
+      struct dri_state *dri_state;
+
       pDisplayContext = (VADisplayContextP)calloc(1, sizeof(*pDisplayContext));
       pDriverContext  = (VADriverContextP)calloc(1, sizeof(*pDriverContext));
-      if (pDisplayContext && pDriverContext)
+      dri_state       = (struct dri_state*)calloc(1, sizeof(*dri_state));
+
+      /* assgin necessary dri_state struct variable */
+      dri_state->driConnectedFlag = VA_DRI2;
+      dri_state->fd = open_device(DEVICE_NAME);
+      dri_state->createDrawable = NULL;
+      dri_state->destroyDrawable = NULL;
+      dri_state->swapBuffer = NULL;
+      dri_state->getRenderingBuffer = NULL;
+      dri_state->close = NULL;
+
+      if (pDisplayContext && pDriverContext && dri_state)
       {
 	  pDisplayContext->vadpy_magic = VA_DISPLAY_MAGIC;          
 
@@ -128,6 +177,7 @@ VADisplay vaGetDisplay (
 	  pDisplayContext->vaDestroy       = va_DisplayContextDestroy;
 	  pDisplayContext->vaGetDriverName = va_DisplayContextGetDriverName;
 	  pDisplayContexts                 = pDisplayContext;
+          pDriverContext->dri_state        = dri_state;
 	  dpy                              = (VADisplay)pDisplayContext;
       }
       else
@@ -136,13 +186,14 @@ VADisplay vaGetDisplay (
 	      free(pDisplayContext);
 	  if (pDriverContext)
 	      free(pDriverContext);
+	  if (dri_state)
+	      free(dri_state);
       }
   }
   
   return dpy;
 }
 
-
 #define CTX(dpy) (((VADisplayContextP)dpy)->pDriverContext)
 #define CHECK_DISPLAY(dpy) if( !vaDisplayIsValid(dpy) ) { return VA_STATUS_ERROR_INVALID_DISPLAY; }
 
@@ -155,7 +206,8 @@ static int vaDisplayIsValid(VADisplay dpy)
 VAStatus vaPutSurface (
     VADisplay dpy,
     VASurfaceID surface,
-    Surface *draw, /* Android Surface/Window */
+    //Surface *draw, /* Android Surface/Window */
+    void *draw,
     short srcx,
     short srcy,
     unsigned short srcw,
@@ -178,3 +230,4 @@ VAStatus vaPutSurface (
                                    destx, desty, destw, desth,
                                    cliprects, number_cliprects, flags );
 }
+

va/va.c

@@ -25,6 +25,7 @@
 #define _GNU_SOURCE 1
 #include "va.h"
 #include "va_backend.h"
+#include "config.h"
 
 #include <assert.h>
 #include <stdarg.h>
@@ -54,6 +55,10 @@ extern int trace_flag;
         trace_func(__VA_ARGS__);                \
     }
 
+#define VA_MAJOR_VERSION (0)
+#define VA_MINOR_VERSION (31)
+#define VA_VERSION_S       "0.31.1"
+
 static int vaDisplayIsValid(VADisplay dpy)
 {
     VADisplayContextP pDisplayContext = (VADisplayContextP)dpy;
@@ -153,8 +158,11 @@ static VAStatus va_openDriver(VADisplay dpy, char *driver_name)
         strncat( driver_path, DRIVER_EXTENSION, strlen(DRIVER_EXTENSION) );
         
         va_infoMessage("Trying to open %s\n", driver_path);
-
+#ifndef ANDROID
         handle = dlopen( driver_path, RTLD_NOW | RTLD_GLOBAL | RTLD_NODELETE );
+#else
+        handle = dlopen( driver_path, RTLD_NOW| RTLD_GLOBAL);
+#endif
         if (!handle)
         {
             /* Don't give errors for non-existing files */

va/va.h

@@ -1789,6 +1789,17 @@ VAStatus vaSetDisplayAttributes (
     int num_attributes
 );
 
+#ifdef ANDROID
+#define Display unsigned int
+#define Drawable unsigned int
+#define XID unsigned int
+#define Bool int
+#define Status int
+#define True 1
+#define False 0
+#define Xfree(ptr) free((ptr))
+#endif
+
 #ifdef __cplusplus
 }
 #endif

va/va_android.h

@@ -2,16 +2,16 @@
 #define _VA_ANDROID_H_
 
 #include <va/va.h>
-
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+//#define Surface void
 /*
  * Returns a suitable VADisplay for VA API
  */
 VADisplay vaGetDisplay (
-    void *dpy
+    Display *dpy
 );
 
 /*
@@ -25,7 +25,8 @@ VADisplay vaGetDisplay (
 VAStatus vaPutSurface (
     VADisplay dpy,
     VASurfaceID surface,	
-    Surface *draw, /* Android Window/Surface */
+    //Surface *draw, /* Android Window/Surface */
+    void* draw,
     short srcx,
     short srcy,
     unsigned short srcw,
@@ -38,7 +39,6 @@ VAStatus vaPutSurface (
     unsigned int number_cliprects, /* number of clip rects in the clip list */
     unsigned int flags /* PutSurface flags */
 );
-
 #ifdef __cplusplus
 }
 #endif

va/va_backend.h

@@ -30,15 +30,18 @@
 #define _VA_BACKEND_H_
 
 #include <va/va.h>
+#ifndef ANDROID
 #include <X11/Xlib.h>
+#endif
 #include <linux/videodev2.h>
-#include <ui/Surface.h>
-
-class Surface;
 
 typedef struct VADriverContext *VADriverContextP;
 typedef struct VADisplayContext *VADisplayContextP;
 
+#ifdef ANDROID
+#define Surface void
+#endif
+
 struct VADriverVTable
 {
 	VAStatus (*vaTerminate) ( VADriverContextP ctx );
@@ -182,7 +185,11 @@ struct VADriverVTable
 	VAStatus (*vaPutSurface) (
     		VADriverContextP ctx,
 		VASurfaceID surface,
+		#ifdef ANDROID
 		Surface* draw, /* X Drawable */
+		#else
+		Drawable draw,
+		#endif
 		short srcx,
 		short srcy,
 		unsigned short srcw,

va/x11/va_dricommon.h

 #ifndef _VA_DRICOMMON_H_
 #define _VA_DRICOMMON_H_
 
+#ifndef ANDROID
 #include <X11/Xlib.h>
-
+#endif
 #include <xf86drm.h>
 #include <drm.h>
 #include <drm_sarea.h>