packages: xorg-lib-libXvMC/xvmcinfo.c (NEW) - copy from http://www.mythtv.o...

[glen]

Author: glen                         Date: Thu Dec 30 13:17:13 2010 GMT
Module: packages                      Tag: HEAD
---- Log message:
- copy from http://www.mythtv.org/wiki/XvMC

---- Files affected:
packages/xorg-lib-libXvMC:
   xvmcinfo.c (NONE -> 1.1)  (NEW)

---- Diffs:

================================================================
Index: packages/xorg-lib-libXvMC/xvmcinfo.c
diff -u /dev/null packages/xorg-lib-libXvMC/xvmcinfo.c:1.1
--- /dev/null	Thu Dec 30 14:17:13 2010
+++ packages/xorg-lib-libXvMC/xvmcinfo.c	Thu Dec 30 14:17:08 2010
@@ -0,0 +1,134 @@
+/*
+ ** XvMC extension info program
+ **
+ ** author:
+ ** Michal Podsiadlik <michal (et) gov.one.pl>
+ ** Ken Harris : fixed some bugs with the "chroma" and "codec" fields, 2005-10-01
+ **
+ ** compile using this command (I hope ;-))
+ ** gcc -o xvmcinfo xvmcinfo.c -lXvMCW
+ * */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <X11/Xlib.h>
+#include <X11/extensions/XvMClib.h>
+
+void usage(char *c)
+{
+    fprintf(stderr, "usage:\n" "%s [-display displayname]\n", c);
+    exit(1);
+}
+
+int main(int argc, char **argv)
+{
+    Display *xserver;
+    int iscreen;
+    char *display = NULL;
+
+    if (argc != 1 && argc != 3)
+        usage(argv[0]);
+
+    if (argc == 3) {
+        if (!strcmp(argv[1], "-display"))
+            display = argv[2];
+        else
+            usage(argv[0]);
+    }
+
+    xserver = XOpenDisplay(display);
+    if (!xserver) {
+        fprintf(stderr, "failed to connect to display: %s\n", display);
+        return 1;
+    }
+
+    {
+        unsigned int xv_major, xv_minor, x, y, z;
+        if (XvQueryExtension(xserver, &xv_major, &xv_minor, &x, &y, &z) !=
+            Success) {
+            fprintf(stderr, "no Xv extension available\n");
+            XCloseDisplay(xserver);
+            return 1;
+        }
+        printf("\n" "Xv version %i.%i\n", xv_major, xv_minor);
+   }
+
+    {
+        int xvmc_major, xvmc_minor;
+        if (XvMCQueryVersion(xserver, &xvmc_major, &xvmc_minor) != Success) {
+            fprintf(stderr, "no XvMC extension available\n");
+            XCloseDisplay(xserver);
+            return 1;
+        }
+
+        printf("XvMC version %i.%i\n\n", xvmc_major, xvmc_minor);
+    }
+
+    for (iscreen = 0; iscreen < ScreenCount(xserver); iscreen++) {
+        unsigned int iadapt, num_adaptors;
+        XvAdaptorInfo *adaptor_info;
+
+        printf("screen number %i\n", iscreen);
+
+        XvQueryAdaptors(xserver, RootWindow(xserver, iscreen),
+                        &num_adaptors, &adaptor_info);
+
+        if (!num_adaptors) {
+            printf("   no Xv adaptors found\n");
+            continue;
+        }
+
+        for (iadapt = 0; iadapt < num_adaptors; iadapt++) {
+            int isurf, num_surfaces;
+            XvMCSurfaceInfo *xvmc_info;
+
+            printf("   info for adaptor %i [%s]\n", iadapt,
+                   adaptor_info[iadapt].name);
+
+            xvmc_info =
+                XvMCListSurfaceTypes(xserver, adaptor_info[iadapt].base_id,
+                                     &num_surfaces);
+
+            printf("      number of XvMC surface types: %i\n\n",
+                   num_surfaces);
+
+            for (isurf = 0; isurf < num_surfaces; isurf++) {
+                static char *codec[] = { "", "MPEG1", "MPEG2", "H263", "MPEG4" };       // XXXX HACK
+                static char *chroma[] = { "", "XVMC_CHROMA_FORMAT_420 ", "XVMC_CHROMA_FORMAT_422 ", "XVMC_CHROMA_FORMAT_444 " };        // XXXX HACK
+                printf("      info about surface %i:\n"
+                       "         max_width=%i\n"
+                       "         max_height=%i\n"
+                       "         subpicture_max_width=%i\n"
+                       "         subpicture_max_height=%i\n"
+                       "         chroma_format:\n"
+                       "            %s\n"
+                       "         mc_type:\n"
+                       "            format                   : %s\n"
+                       "            accelaration start from  : %s\n"
+                       "         flags:\n"
+                       "            %s%s%s%s\n\n",
+                       isurf,
+                       xvmc_info[isurf].max_width,
+                       xvmc_info[isurf].max_height,
+                       xvmc_info[isurf].subpicture_max_width,
+                       xvmc_info[isurf].subpicture_max_height,
+                       /* chroma_format */
+                       chroma[xvmc_info[isurf].chroma_format & 0xf],
+                       /* mc_type */
+                       codec[xvmc_info[isurf].mc_type & 0xf],
+                       xvmc_info[isurf].mc_type & XVMC_IDCT ? "IDCT " : "MOCOMP ",
+                       /* flags */
+                       xvmc_info[isurf].flags & XVMC_OVERLAID_SURFACE ?  "XVMC_OVERLAID_SURFACE " : "",
+                       xvmc_info[isurf].flags & XVMC_BACKEND_SUBPICTURE ?  "XVMC_BACKEND_SUBPICTURE " : "",
+                       xvmc_info[isurf].flags & XVMC_SUBPICTURE_INDEPENDENT_SCALING ?  "XVMC_SUBPICTURE_INDEPENDENT_SCALING " : "",
+                       xvmc_info[isurf].flags & XVMC_INTRA_UNSIGNED ? "XVMC_INTRA_UNSIGNED " : "");
+               }
+            XFree(xvmc_info);
+        }
+        XvFreeAdaptorInfo(adaptor_info);
+  }
+  XCloseDisplay(xserver);
+  return 0;
+}
================================================================