1 files changed, 57 insertions, 0 deletions
diff --git a/media/img_utils/src/Input.cpp b/media/img_utils/src/Input.cpp
new file mode 100644
index 0000000..3782014
--- /dev/null
+++ b/media/img_utils/src/Input.cpp
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2014 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.
+ */
+
+#include <img_utils/Input.h>
+
+namespace android {
+namespace img_utils {
+
+Input::~Input() {}
+
+status_t Input::open() { return OK; }
+
+status_t Input::close() { return OK; }
+
+ssize_t Input::skip(size_t count) {
+    const size_t SKIP_BUF_SIZE = 1024;
+    uint8_t skipBuf[SKIP_BUF_SIZE];
+
+    size_t remaining = count;
+    while (remaining > 0) {
+        size_t amt = (SKIP_BUF_SIZE > remaining) ? remaining : SKIP_BUF_SIZE;
+        ssize_t ret = read(skipBuf, 0, amt);
+        if (ret < 0) {
+            if(ret == NOT_ENOUGH_DATA) {
+                // End of file encountered
+                if (remaining == count) {
+                    // Read no bytes, return EOF
+                    return NOT_ENOUGH_DATA;
+                } else {
+                    // Return num bytes read
+                    return count - remaining;
+                }
+            }
+            // Return error code.
+            return ret;
+        }
+        remaining -= ret;
+    }
+    return count;
+}
+
+} /*namespace img_utils*/
+} /*namespace android*/
+