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+/*
+ * 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.
+ */
+
+#ifndef MP3_EXTRACTOR_H_
+
+#define MP3_EXTRACTOR_H_
+
+#include <utils/Errors.h>
+#include <media/stagefright/MediaExtractor.h>
+
+namespace android {
+
+struct AMessage;
+class DataSource;
+struct MP3Seeker;
+class String8;
+
+class MP3Extractor : public MediaExtractor {
+public:
+ // Extractor assumes ownership of "source".
+ MP3Extractor(const sp<DataSource> &source, const sp<AMessage> &meta);
+
+ virtual size_t countTracks();
+ virtual sp<MediaSource> getTrack(size_t index);
+ virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags);
+
+ virtual sp<MetaData> getMetaData();
+
+private:
+ status_t mInitCheck;
+
+ sp<DataSource> mDataSource;
+ off64_t mFirstFramePos;
+ sp<MetaData> mMeta;
+ uint32_t mFixedHeader;
+ sp<MP3Seeker> mSeeker;
+
+ MP3Extractor(const MP3Extractor &);
+ MP3Extractor &operator=(const MP3Extractor &);
+};
+
+bool SniffMP3(
+ const sp<DataSource> &source, String8 *mimeType, float *confidence,
+ sp<AMessage> *meta);
+
+} // namespace android
+
+#endif // MP3_EXTRACTOR_H_