Reorganize some of the stagefright implementation related to metadata.

1 files changed, 80 insertions, 0 deletions

diff --git a/media/libstagefright/StagefrightMediaScanner.cpp b/media/libstagefright/StagefrightMediaScanner.cpp
new file mode 100644
index 0000000..9b41929
--- /dev/null
+++ b/media/libstagefright/StagefrightMediaScanner.cpp
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2009 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 <media/stagefright/StagefrightMediaScanner.h>
+
+#include "include/StagefrightMetadataRetriever.h"
+
+namespace android {
+
+StagefrightMediaScanner::StagefrightMediaScanner()
+    : mRetriever(new StagefrightMetadataRetriever) {
+}
+
+StagefrightMediaScanner::~StagefrightMediaScanner() {}
+
+status_t StagefrightMediaScanner::processFile(
+        const char *path, const char *mimeType,
+        MediaScannerClient &client) {
+    client.setLocale(locale());
+    client.beginFile();
+
+    if (mRetriever->setDataSource(path) == OK
+            && mRetriever->setMode(
+                METADATA_MODE_METADATA_RETRIEVAL_ONLY) == OK) {
+        struct KeyMap {
+            const char *tag;
+            int key;
+        };
+        static const KeyMap kKeyMap[] = {
+            { "tracknumber", METADATA_KEY_CD_TRACK_NUMBER },
+            { "album", METADATA_KEY_ALBUM },
+            { "artist", METADATA_KEY_ARTIST },
+            { "composer", METADATA_KEY_COMPOSER },
+            { "genre", METADATA_KEY_GENRE },
+            { "title", METADATA_KEY_TITLE },
+            { "year", METADATA_KEY_YEAR },
+            { "duration", METADATA_KEY_DURATION },
+            { "writer", METADATA_KEY_WRITER },
+        };
+        static const size_t kNumEntries = sizeof(kKeyMap) / sizeof(kKeyMap[0]);
+
+        for (size_t i = 0; i < kNumEntries; ++i) {
+            const char *value;
+            if ((value = mRetriever->extractMetadata(kKeyMap[i].key)) != NULL) {
+                client.addStringTag(kKeyMap[i].tag, value);
+            }
+        }
+    }
+
+    client.endFile();
+
+    return OK;
+}
+
+char *StagefrightMediaScanner::extractAlbumArt(int fd) {
+    if (mRetriever->setDataSource(fd, 0, 0) == OK
+            && mRetriever->setMode(
+                METADATA_MODE_FRAME_CAPTURE_ONLY) == OK) {
+        MediaAlbumArt *art = mRetriever->extractAlbumArt();
+
+        // TODO: figure out what format the result should be in.
+    }
+
+    return NULL;
+}
+
+}  // namespace android