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commit 389323f728fb2d6392d266d967eddde40465fd93
Author: Gwenole Beauchesne <gbeauchesne@splitted-desktop.com>
Date:   Fri Oct 16 12:35:27 2009 +0000

    Fix compatibility with older programs linked against libva.so.0.

diff --git a/src/Makefile.am b/src/Makefile.am
index 232d8e8..2d696f1 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -72,3 +72,8 @@ EXTRA_DIST = \
 	va_compat_template.h
 
 va_compat.c: va_compat_template.h
+
+lib_LTLIBRARIES			+= libva-compat.la
+libva_compat_la_SOURCES		= va_compat_lib.c
+libva_compat_la_LIBADD		= libva-x11.la -ldl
+libva_compat_la_DEPENDENCIES	= libva-x11.la
diff --git a/src/va_compat_lib.c b/src/va_compat_lib.c
new file mode 100644
index 0000000..b7e9ea5
--- /dev/null
+++ b/src/va_compat_lib.c
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2009 Splitted-Desktop Systems. 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.
+ */
+
+#define _GNU_SOURCE 1
+#include <dlfcn.h>
+#include <assert.h>
+#include <stddef.h>
+
+typedef void           *VADisplay;
+typedef int             VAStatus;
+typedef unsigned int    VAGenericID;
+typedef VAGenericID     VAContextID;
+typedef VAGenericID     VASurfaceID;
+typedef VAGenericID     VAImageID;
+typedef VAGenericID     VASubpictureID;
+
+#define PREPARE_FUNC(NAME, RET, ARGS)           \
+    static RET (*lib_##NAME) ARGS;              \
+    if (lib_##NAME == NULL)                     \
+        lib_##NAME = dlsym(RTLD_NEXT, #NAME);   \
+    assert(lib_##NAME != NULL)
+
+VAStatus
+vaSyncSurface(
+    VADisplay           dpy,
+    VAContextID         context,
+    VASurfaceID         render_target
+)
+{
+    PREPARE_FUNC(vaSyncSurface, VAStatus, (VADisplay, VASurfaceID));
+
+    return lib_vaSyncSurface(dpy, render_target);
+}
+
+VAStatus
+vaPutImage(
+    VADisplay           dpy,
+    VASurfaceID         surface,
+    VAImageID           image,
+    int                 src_x,
+    int                 src_y,
+    unsigned int        width,
+    unsigned int        height,
+    int                 dest_x,
+    int                 dest_y
+)
+{
+    PREPARE_FUNC(vaPutImage, VAStatus, (VADisplay, VASurfaceID, VAImageID,
+                                        int, int, unsigned int, unsigned int,
+                                        int, int, unsigned int, unsigned int));
+
+    return lib_vaPutImage(dpy, surface, image,
+                          src_x, src_y, width, height,
+                          dest_x, dest_y, width, height);
+}
+
+VAStatus
+vaPutImage2(
+    VADisplay           dpy,
+    VASurfaceID         surface,
+    VAImageID           image,
+    int                 src_x,
+    int                 src_y,
+    unsigned int        src_width,
+    unsigned int        src_height,
+    int                 dest_x,
+    int                 dest_y,
+    unsigned int        dest_width,
+    unsigned int        dest_height
+)
+{
+    PREPARE_FUNC(vaPutImage, VAStatus, (VADisplay, VASurfaceID, VAImageID,
+                                        int, int, unsigned int, unsigned int,
+                                        int, int, unsigned int, unsigned int));
+
+    return lib_vaPutImage(dpy, surface, image,
+                          src_x, src_y, src_width, src_height,
+                          dest_x, dest_y, dest_width, dest_height);
+}
+
+VAStatus
+vaAssociateSubpicture(
+    VADisplay           dpy,
+    VASubpictureID      subpicture,
+    VASurfaceID        *target_surfaces,
+    int                 num_surfaces,
+    short               src_x,
+    short               src_y,
+    short               dest_x,
+    short               dest_y,
+    unsigned short      width,
+    unsigned short      height,
+    unsigned int        flags
+)
+{
+    PREPARE_FUNC(vaAssociateSubpicture,
+                 VAStatus, (VADisplay, VASubpictureID, VASurfaceID *, int,
+                            short, short, unsigned short, unsigned short,
+                            short, short, unsigned short, unsigned short,
+                            unsigned int));
+
+    return lib_vaAssociateSubpicture(dpy, subpicture,
+                                     target_surfaces, num_surfaces,
+                                     src_x, src_y, width, height,
+                                     dest_x, dest_y, width, height,
+                                     flags);
+}
+
+VAStatus
+vaAssociateSubpicture2(
+    VADisplay           dpy,
+    VASubpictureID      subpicture,
+    VASurfaceID        *target_surfaces,
+    int                 num_surfaces,
+    short               src_x,
+    short               src_y,
+    unsigned short      src_width,
+    unsigned short      src_height,
+    short               dest_x,
+    short               dest_y,
+    unsigned short      dest_width,
+    unsigned short      dest_height,
+    unsigned int        flags
+)
+{
+    PREPARE_FUNC(vaAssociateSubpicture,
+                 VAStatus, (VADisplay, VASubpictureID, VASurfaceID *, int,
+                            short, short, unsigned short, unsigned short,
+                            short, short, unsigned short, unsigned short,
+                            unsigned int));
+
+    return lib_vaAssociateSubpicture(dpy, subpicture,
+                                     target_surfaces, num_surfaces,
+                                     src_x, src_y, src_width, src_height,
+                                     dest_x, dest_y, dest_width, dest_height,
+                                     flags);
+}