1 files changed, 88 insertions, 0 deletions
diff --git a/include/media/stagefright/NuMediaExtractor.h b/include/media/stagefright/NuMediaExtractor.h
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+++ b/include/media/stagefright/NuMediaExtractor.h
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+/*
+ * Copyright 2012, 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 NU_MEDIA_EXTRACTOR_H_
+#define NU_MEDIA_EXTRACTOR_H_
+
+#include <media/stagefright/foundation/ABase.h>
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+#include <utils/Vector.h>
+
+namespace android {
+
+struct ABuffer;
+struct AMessage;
+struct MediaBuffer;
+struct MediaExtractor;
+struct MediaSource;
+
+struct NuMediaExtractor : public RefBase {
+    enum SampleFlags {
+        SAMPLE_FLAG_SYNC        = 1,
+        SAMPLE_FLAG_ENCRYPTED   = 2,
+    };
+
+    NuMediaExtractor();
+
+    status_t setDataSource(const char *path);
+
+    size_t countTracks() const;
+    status_t getTrackFormat(size_t index, sp<AMessage> *format) const;
+
+    status_t selectTrack(size_t index);
+
+    status_t seekTo(int64_t timeUs);
+
+    status_t advance();
+    status_t readSampleData(const sp<ABuffer> &buffer);
+    status_t getSampleTrackIndex(size_t *trackIndex);
+    status_t getSampleTime(int64_t *sampleTimeUs);
+    status_t getSampleFlags(uint32_t *sampleFlags);
+
+protected:
+    virtual ~NuMediaExtractor();
+
+private:
+    enum TrackFlags {
+        kIsVorbis       = 1,
+    };
+
+    struct TrackInfo {
+        sp<MediaSource> mSource;
+        size_t mTrackIndex;
+        status_t mFinalResult;
+        MediaBuffer *mSample;
+        int64_t mSampleTimeUs;
+        uint32_t mSampleFlags;
+
+        uint32_t mTrackFlags;  // bitmask of "TrackFlags"
+    };
+
+    sp<MediaExtractor> mImpl;
+
+    Vector<TrackInfo> mSelectedTracks;
+
+    ssize_t fetchTrackSamples(int64_t seekTimeUs = -1ll);
+    void releaseTrackSamples();
+
+    DISALLOW_EVIL_CONSTRUCTORS(NuMediaExtractor);
+};
+
+}  // namespace android
+
+#endif  // NU_MEDIA_EXTRACTOR_H_
+