Merge "Fix thumbnail generation failure"

Author: James Dong

media/java/android/media/MediaMetadataRetriever.java

@@ -23,6 +23,7 @@
 import android.net.Uri;
 
 import java.io.FileDescriptor;
+import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 
@@ -57,7 +58,24 @@ public MediaMetadataRetriever() {
      * @param path The path of the input media file.
      * @throws IllegalArgumentException If the path is invalid.
      */
-    public native void setDataSource(String path) throws IllegalArgumentException;
+    public void setDataSource(String path) throws IllegalArgumentException {
+        FileInputStream is = null;
+        try {
+            is = new FileInputStream(path);
+            FileDescriptor fd = is.getFD();
+            setDataSource(fd, 0, 0x7ffffffffffffffL);
+        } catch (FileNotFoundException fileEx) {
+            throw new IllegalArgumentException();
+        } catch (IOException ioEx) {
+            throw new IllegalArgumentException();
+        }
+
+        try {
+            if (is != null) {
+                is.close();
+            }
+        } catch (Exception e) {}
+    }
 
     /**
      * Sets the data source (URI) to use. Call this

media/jni/android_media_MediaMetadataRetriever.cpp

@@ -131,13 +131,6 @@ android_media_MediaMetadataRetriever_setDataSourceAndHeaders(
             "setDataSource failed");
 }
 
-
-static void android_media_MediaMetadataRetriever_setDataSource(
-        JNIEnv *env, jobject thiz, jstring path) {
-    android_media_MediaMetadataRetriever_setDataSourceAndHeaders(
-            env, thiz, path, NULL, NULL);
-}
-
 static void android_media_MediaMetadataRetriever_setDataSourceFD(JNIEnv *env, jobject thiz, jobject fileDescriptor, jlong offset, jlong length)
 {
     ALOGV("setDataSource");
@@ -447,8 +440,6 @@ static void android_media_MediaMetadataRetriever_native_setup(JNIEnv *env, jobje
 
 // JNI mapping between Java methods and native methods
 static JNINativeMethod nativeMethods[] = {
-        {"setDataSource",   "(Ljava/lang/String;)V", (void *)android_media_MediaMetadataRetriever_setDataSource},
-
         {
             "_setDataSource",
             "(Ljava/lang/String;[Ljava/lang/String;[Ljava/lang/String;)V",