libvpx: Add VP9 decoder.

source/libvpx/vpx_ports/vpx_timer.h

Index: source/libvpx/vpx_ports/vpx_timer.h
===================================================================
--- source/libvpx/vpx_ports/vpx_timer.h	(revision 172621)
+++ source/libvpx/vpx_ports/vpx_timer.h	(working copy)
@@ -32,65 +32,61 @@
 /* timersub is not provided by msys at this time. */
 #ifndef timersub
 #define timersub(a, b, result) \
-    do { \
-        (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
-        (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
-        if ((result)->tv_usec < 0) { \
-            --(result)->tv_sec; \
-            (result)->tv_usec += 1000000; \
-        } \
-    } while (0)
+  do { \
+    (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
+    (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
+    if ((result)->tv_usec < 0) { \
+      --(result)->tv_sec; \
+      (result)->tv_usec += 1000000; \
+    } \
+  } while (0)
 #endif
 #endif
 
 
-struct vpx_usec_timer
-{
+struct vpx_usec_timer {
 #if defined(_WIN32)
-    LARGE_INTEGER  begin, end;
+  LARGE_INTEGER  begin, end;
 #else
-    struct timeval begin, end;
+  struct timeval begin, end;
 #endif
 };
 
 
 static void
-vpx_usec_timer_start(struct vpx_usec_timer *t)
-{
+vpx_usec_timer_start(struct vpx_usec_timer *t) {
 #if defined(_WIN32)
-    QueryPerformanceCounter(&t->begin);
+  QueryPerformanceCounter(&t->begin);
 #else
-    gettimeofday(&t->begin, NULL);
+  gettimeofday(&t->begin, NULL);
 #endif
 }
 
 
 static void
-vpx_usec_timer_mark(struct vpx_usec_timer *t)
-{
+vpx_usec_timer_mark(struct vpx_usec_timer *t) {
 #if defined(_WIN32)
-    QueryPerformanceCounter(&t->end);
+  QueryPerformanceCounter(&t->end);
 #else
-    gettimeofday(&t->end, NULL);
+  gettimeofday(&t->end, NULL);
 #endif
 }
 
 
 static int64_t
-vpx_usec_timer_elapsed(struct vpx_usec_timer *t)
-{
+vpx_usec_timer_elapsed(struct vpx_usec_timer *t) {
 #if defined(_WIN32)
-    LARGE_INTEGER freq, diff;
+  LARGE_INTEGER freq, diff;
 
-    diff.QuadPart = t->end.QuadPart - t->begin.QuadPart;
+  diff.QuadPart = t->end.QuadPart - t->begin.QuadPart;
 
-    QueryPerformanceFrequency(&freq);
-    return diff.QuadPart * 1000000 / freq.QuadPart;
+  QueryPerformanceFrequency(&freq);
+  return diff.QuadPart * 1000000 / freq.QuadPart;
 #else
-    struct timeval diff;
+  struct timeval diff;
 
-    timersub(&t->end, &t->begin, &diff);
-    return diff.tv_sec * 1000000 + diff.tv_usec;
+  timersub(&t->end, &t->begin, &diff);
+  return diff.tv_sec * 1000000 + diff.tv_usec;
 #endif
 }
 
@@ -101,9 +97,8 @@
 #define timersub(a, b, result)
 #endif
 
-struct vpx_usec_timer
-{
-    void *dummy;
+struct vpx_usec_timer {
+  void *dummy;
 };
 
 static void
@@ -113,7 +108,9 @@
 vpx_usec_timer_mark(struct vpx_usec_timer *t) { }
 
 static long
-vpx_usec_timer_elapsed(struct vpx_usec_timer *t) { return 0; }
+vpx_usec_timer_elapsed(struct vpx_usec_timer *t) {
+  return 0;
+}
 
 #endif /* CONFIG_OS_SUPPORT */