Move all Widevine code which have dependency on vendor modules from framework/base to vendor/widevine

Change-Id: I2b43e90c279391436f1bbb18ebd64961bec4f9ee

proprietary/wvm/WVMFileSource.cpp

@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "WVMFileSource"
+#include <utils/Log.h>
+
+#include "WVMFileSource.h"
+#include "media/stagefright/MediaErrors.h"
+#include "media/stagefright/MediaDefs.h"
+#include "media/stagefright/MediaDebug.h"
+
+namespace android {
+
+
+WVMFileSource::WVMFileSource(sp<DataSource> &dataSource)
+    : mDataSource(dataSource),
+      mOffset(0)
+{
+}
+
+unsigned long long WVMFileSource::GetSize()
+{
+    off64_t size;
+    mDataSource->getSize(&size);
+    return size;
+}
+
+unsigned long long WVMFileSource::GetOffset()
+{
+    return mOffset;
+}
+
+void WVMFileSource::Seek(unsigned long long offset)
+{
+    mOffset = offset;
+}
+
+size_t WVMFileSource::Read(size_t amount, unsigned char *buffer)
+{
+    size_t result = mDataSource->readAt(mOffset, buffer, amount);
+
+#if 0
+    // debug code - log packets to files
+    char filename[32];
+    static int counter = 0;
+    sprintf(filename, "/data/wv/buf%d", counter++);
+    FILE *f = fopen(filename, "w");
+    if (!f)
+        LOGE("WVMFileSource: can't open %s", filename);
+    else {
+        fwrite(buffer, amount, 1, f);
+        fclose(f);
+    }
+    LOGD("WVMFileSource::Read(%d bytes to buf=%p)", amount, buffer);
+#endif
+
+    mOffset += result;
+    return result;
+}
+
+} // namespace android