switch to new internal vidix API, no more dlopen/dlsym, libvidix is now a fully static library with all drivers built-in

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@22875 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 123 insertions, 0 deletions

diff --git a/vidix/drivers.c b/vidix/drivers.c
new file mode 100644
index 0000000000..1bf2193806
--- /dev/null
+++ b/vidix/drivers.c
@@ -0,0 +1,123 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+
+#include "vidixlib.h"
+#include "../config.h"
+#include "../libavutil/common.h"
+#include "../mpbswap.h"
+
+VDXDriver *first_driver = NULL;
+
+extern VDXDriver cyberblade_drv;
+extern VDXDriver mach64_drv;
+extern VDXDriver mga_drv;
+extern VDXDriver mga_crtc2_drv;
+extern VDXDriver nvidia_drv;
+extern VDXDriver pm3_drv;
+extern VDXDriver radeon_drv;
+extern VDXDriver rage128_drv;
+extern VDXDriver savage_drv;
+extern VDXDriver sis_drv;
+extern VDXDriver unichrome_drv;
+
+static void vidix_register_driver (VDXDriver *drv)
+{
+  VDXDriver **d;
+  
+  d = &first_driver;
+  while (*d != NULL)
+    d = &(*d)->next;
+  *d = drv;
+  drv->next = NULL;
+}
+
+void vidix_register_all_drivers (void)
+{
+  vidix_register_driver (&cyberblade_drv);
+  vidix_register_driver (&mach64_drv);
+  vidix_register_driver (&mga_drv);
+  vidix_register_driver (&mga_crtc2_drv);
+  vidix_register_driver (&nvidia_drv);
+  vidix_register_driver (&pm3_drv);
+  vidix_register_driver (&radeon_drv);
+  vidix_register_driver (&rage128_drv);
+  vidix_register_driver (&savage_drv);
+  vidix_register_driver (&sis_drv);
+  vidix_register_driver (&unichrome_drv);
+}
+
+static int vidix_probe_driver (VDXContext *ctx, VDXDriver *drv,
+                               unsigned int cap, int verbose)
+{
+  vidix_capability_t vid_cap;
+
+  if (verbose)
+    printf ("vidixlib: PROBING: %s\n", drv->name);
+
+  if (!drv->get_version)
+    return 0;
+  
+  if (drv->get_version () != VIDIX_VERSION)
+  {
+    if (verbose)
+      printf ("vidixlib: %s has wrong version\n", drv->name);
+    return 0;
+  }
+
+  if (!drv->probe || drv->probe (verbose, PROBE_NORMAL) != 0)
+    return 0;
+
+  if (!drv->get_caps || drv->get_caps (&vid_cap) != 0)
+    return 0;
+
+  if ((vid_cap.type & cap) != cap)
+  {
+    if (verbose)
+      printf ("vidixlib: Found %s but has no required capability\n",
+              drv->name);
+     return 0;
+  }
+  
+  if (verbose)
+    printf ("vidixlib: %s probed o'k\n", drv->name);
+
+  ctx->drv = drv;
+  return 1;
+}
+
+int vidix_find_driver (VDXContext *ctx, const char *name,
+                       unsigned int cap, int verbose)
+{
+  VDXDriver *drv;
+
+  drv = first_driver;
+  while (drv)
+  {
+    if (name) /* forced driver */
+    {
+      if (!strcmp (drv->name, name))
+      {
+        if (vidix_probe_driver (ctx, drv, cap, verbose))
+          return 1;
+        else
+        {
+          ctx->drv = NULL;
+          return 0;
+        }
+      }
+    }
+    else /* auto-probe */
+    {
+      if (vidix_probe_driver (ctx, drv, cap, verbose))
+        return 1;
+    }
+    drv = drv->next;
+  }
+
+  if (verbose)
+    printf ("vidixlib: No suitable driver can be found.\n");
+  ctx->drv = NULL;
+  return 0;
+}