1 files changed, 17 insertions, 3 deletions
diff --git a/media/libstagefright/MetaData.cpp b/media/libstagefright/MetaData.cpp
index ae6ae2d..74234a6 100644
--- a/media/libstagefright/MetaData.cpp
+++ b/media/libstagefright/MetaData.cpp
@@ -16,6 +16,7 @@
 
 //#define LOG_NDEBUG 0
 #define LOG_TAG "MetaData"
+#include <inttypes.h>
 #include <utils/Log.h>
 
 #include <stdlib.h>
@@ -89,6 +90,9 @@ bool MetaData::setRect(
     return setData(key, TYPE_RECT, &r, sizeof(r));
 }
 
+/**
+ * Note that the returned pointer becomes invalid when additional metadata is set.
+ */
 bool MetaData::findCString(uint32_t key, const char **value) {
     uint32_t type;
     const void *data;
@@ -218,6 +222,16 @@ bool MetaData::findData(uint32_t key, uint32_t *type,
     return true;
 }
 
+bool MetaData::hasData(uint32_t key) const {
+    ssize_t i = mItems.indexOfKey(key);
+
+    if (i < 0) {
+        return false;
+    }
+
+    return true;
+}
+
 MetaData::typed_data::typed_data()
     : mType(0),
       mSize(0) {
@@ -294,7 +308,7 @@ String8 MetaData::typed_data::asString() const {
     const void *data = storage();
     switch(mType) {
         case TYPE_NONE:
-            out = String8::format("no type, size %d)", mSize);
+            out = String8::format("no type, size %zu)", mSize);
             break;
         case TYPE_C_STRING:
             out = String8::format("(char*) %s", (const char *)data);
@@ -303,7 +317,7 @@ String8 MetaData::typed_data::asString() const {
             out = String8::format("(int32_t) %d", *(int32_t *)data);
             break;
         case TYPE_INT64:
-            out = String8::format("(int64_t) %lld", *(int64_t *)data);
+            out = String8::format("(int64_t) %" PRId64, *(int64_t *)data);
             break;
         case TYPE_FLOAT:
             out = String8::format("(float) %f", *(float *)data);
@@ -320,7 +334,7 @@ String8 MetaData::typed_data::asString() const {
         }
 
         default:
-            out = String8::format("(unknown type %d, size %d)", mType, mSize);
+            out = String8::format("(unknown type %d, size %zu)", mType, mSize);
             if (mSize <= 48) { // if it's less than three lines of hex data, dump it
                 AString foo;
                 hexdump(data, mSize, 0, &foo);