Remove unused FragmentedMP4Parser and friends. The functionality has been

subsumed into MP4Extractor.

Change-Id: Ic1b6445660adfb985c604f1ca6f0c86585f8de04

9 files changed, 1 insertions, 2986 deletions

diff --git a/media/libmediaplayerservice/nuplayer/Android.mk b/media/libmediaplayerservice/nuplayer/Android.mk
index f946c1c..f97ba57 100644
--- a/media/libmediaplayerservice/nuplayer/Android.mk
+++ b/media/libmediaplayerservice/nuplayer/Android.mk
@@ -11,7 +11,6 @@ LOCAL_SRC_FILES:=                       \
         NuPlayerStreamListener.cpp      \
         RTSPSource.cpp                  \
         StreamingSource.cpp             \
-        mp4/MP4Source.cpp               \
 
 LOCAL_C_INCLUDES := \
 	$(TOP)/frameworks/av/media/libstagefright/httplive            \
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
index 01e59c8..d47ac98 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
@@ -28,13 +28,11 @@
 #include "RTSPSource.h"
 #include "StreamingSource.h"
 #include "GenericSource.h"
-#include "mp4/MP4Source.h"
 
 #include "ATSParser.h"
 
 #include "SoftwareRenderer.h"
 
-#include <cutils/properties.h> // for property_get
 #include <media/stagefright/foundation/hexdump.h>
 #include <media/stagefright/foundation/ABuffer.h>
 #include <media/stagefright/foundation/ADebug.h>
@@ -183,14 +181,7 @@ void NuPlayer::setDataSourceAsync(const sp<IStreamSource> &source) {
 
     sp<AMessage> notify = new AMessage(kWhatSourceNotify, id());
 
-    char prop[PROPERTY_VALUE_MAX];
-    if (property_get("media.stagefright.use-mp4source", prop, NULL)
-            && (!strcmp(prop, "1") || !strcasecmp(prop, "true"))) {
-        msg->setObject("source", new MP4Source(notify, source));
-    } else {
-        msg->setObject("source", new StreamingSource(notify, source));
-    }
-
+    msg->setObject("source", new StreamingSource(notify, source));
     msg->post();
 }
 
diff --git a/media/libmediaplayerservice/nuplayer/mp4/MP4Source.cpp b/media/libmediaplayerservice/nuplayer/mp4/MP4Source.cpp
deleted file mode 100644
index 2aae4dd..0000000
--- a/media/libmediaplayerservice/nuplayer/mp4/MP4Source.cpp
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- * Copyright (C) 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.
- */
-
-#include "MP4Source.h"
-
-#include "FragmentedMP4Parser.h"
-#include "../NuPlayerStreamListener.h"
-
-#include <media/IStreamSource.h>
-#include <media/stagefright/foundation/AMessage.h>
-#include <media/stagefright/MediaErrors.h>
-#include <media/stagefright/MetaData.h>
-
-namespace android {
-
-struct StreamSource : public FragmentedMP4Parser::Source {
-    StreamSource(const sp<IStreamSource> &source)
-        : mListener(new NuPlayer::NuPlayerStreamListener(source, 0)),
-          mPosition(0) {
-        mListener->start();
-    }
-
-    virtual ssize_t readAt(off64_t offset, void *data, size_t size) {
-        if (offset < mPosition) {
-            return -EPIPE;
-        }
-
-        while (offset > mPosition) {
-            char buffer[1024];
-            off64_t skipBytes = offset - mPosition;
-            if (skipBytes > sizeof(buffer)) {
-                skipBytes = sizeof(buffer);
-            }
-
-            sp<AMessage> extra;
-            ssize_t n;
-            for (;;) {
-                n = mListener->read(buffer, skipBytes, &extra);
-
-                if (n == -EWOULDBLOCK) {
-                    usleep(10000);
-                    continue;
-                }
-
-                break;
-            }
-
-            ALOGV("skipped %ld bytes at offset %lld", n, mPosition);
-
-            if (n < 0) {
-                return n;
-            }
-
-            mPosition += n;
-        }
-
-        sp<AMessage> extra;
-        size_t total = 0;
-        while (total < size) {
-            ssize_t n = mListener->read(
-                    (uint8_t *)data + total, size - total, &extra);
-
-            if (n == -EWOULDBLOCK) {
-                usleep(10000);
-                continue;
-            } else if (n == 0) {
-                break;
-            } else if (n < 0) {
-                mPosition += total;
-                return n;
-            }
-
-            total += n;
-        }
-
-        ALOGV("read %ld bytes at offset %lld", total, mPosition);
-
-        mPosition += total;
-
-        return total;
-    }
-
-    bool isSeekable() {
-        return false;
-    }
-
-private:
-    sp<NuPlayer::NuPlayerStreamListener> mListener;
-    off64_t mPosition;
-
-    DISALLOW_EVIL_CONSTRUCTORS(StreamSource);
-};
-
-MP4Source::MP4Source(
-        const sp<AMessage> &notify, const sp<IStreamSource> &source)
-    : Source(notify),
-      mSource(source),
-      mLooper(new ALooper),
-      mParser(new FragmentedMP4Parser),
-      mEOS(false) {
-    mLooper->registerHandler(mParser);
-}
-
-MP4Source::~MP4Source() {
-}
-
-void MP4Source::prepareAsync() {
-    notifyVideoSizeChanged(0, 0);
-    notifyFlagsChanged(0);
-    notifyPrepared();
-}
-
-void MP4Source::start() {
-    mLooper->start(false /* runOnCallingThread */);
-    mParser->start(new StreamSource(mSource));
-}
-
-status_t MP4Source::feedMoreTSData() {
-    return mEOS ? ERROR_END_OF_STREAM : (status_t)OK;
-}
-
-sp<AMessage> MP4Source::getFormat(bool audio) {
-    return mParser->getFormat(audio);
-}
-
-status_t MP4Source::dequeueAccessUnit(
-        bool audio, sp<ABuffer> *accessUnit) {
-    return mParser->dequeueAccessUnit(audio, accessUnit);
-}
-
-}  // namespace android
diff --git a/media/libmediaplayerservice/nuplayer/mp4/MP4Source.h b/media/libmediaplayerservice/nuplayer/mp4/MP4Source.h
deleted file mode 100644
index a6ef622..0000000
--- a/media/libmediaplayerservice/nuplayer/mp4/MP4Source.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright (C) 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 MP4_SOURCE_H
-#define MP4_SOURCE_H
-
-#include "NuPlayerSource.h"
-
-namespace android {
-
-struct FragmentedMP4Parser;
-
-struct MP4Source : public NuPlayer::Source {
-    MP4Source(const sp<AMessage> &notify, const sp<IStreamSource> &source);
-
-    virtual void prepareAsync();
-    virtual void start();
-
-    virtual status_t feedMoreTSData();
-
-    virtual sp<AMessage> getFormat(bool audio);
-
-    virtual status_t dequeueAccessUnit(
-            bool audio, sp<ABuffer> *accessUnit);
-
-protected:
-    virtual ~MP4Source();
-
-private:
-    sp<IStreamSource> mSource;
-    sp<ALooper> mLooper;
-    sp<FragmentedMP4Parser> mParser;
-    bool mEOS;
-
-    DISALLOW_EVIL_CONSTRUCTORS(MP4Source);
-};
-
-}  // namespace android
-
-#endif // MP4_SOURCE_H
diff --git a/media/libstagefright/Android.mk b/media/libstagefright/Android.mk
index f94f136..0636dcc 100644
--- a/media/libstagefright/Android.mk
+++ b/media/libstagefright/Android.mk
@@ -58,8 +58,6 @@ LOCAL_SRC_FILES:=                         \
         WVMExtractor.cpp                  \
         XINGSeeker.cpp                    \
         avc_utils.cpp                     \
-        mp4/FragmentedMP4Parser.cpp       \
-        mp4/TrackFragment.cpp             \
 
 LOCAL_C_INCLUDES:= \
         $(TOP)/frameworks/av/include/media/stagefright/timedtext \
diff --git a/media/libstagefright/include/FragmentedMP4Parser.h b/media/libstagefright/include/FragmentedMP4Parser.h
deleted file mode 100644
index dbe02b8..0000000
--- a/media/libstagefright/include/FragmentedMP4Parser.h
+++ /dev/null
@@ -1,274 +0,0 @@
-/*
- * Copyright (C) 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 PARSER_H_
-
-#define PARSER_H_
-
-#include <media/stagefright/foundation/AHandler.h>
-#include <media/stagefright/DataSource.h>
-#include <utils/Vector.h>
-
-namespace android {
-
-struct ABuffer;
-
-struct FragmentedMP4Parser : public AHandler {
-    struct Source : public RefBase {
-        Source() {}
-
-        virtual ssize_t readAt(off64_t offset, void *data, size_t size) = 0;
-        virtual bool isSeekable() = 0;
-
-        protected:
-        virtual ~Source() {}
-
-        private:
-        DISALLOW_EVIL_CONSTRUCTORS(Source);
-    };
-
-    FragmentedMP4Parser();
-
-    void start(const char *filename);
-    void start(const sp<Source> &source);
-    void start(sp<DataSource> &source);
-
-    sp<AMessage> getFormat(bool audio, bool synchronous = false);
-    status_t dequeueAccessUnit(bool audio, sp<ABuffer> *accessUnit, bool synchronous = false);
-    status_t seekTo(bool audio, int64_t timeUs);
-    bool isSeekable() const;
-
-    virtual void onMessageReceived(const sp<AMessage> &msg);
-
-protected:
-    virtual ~FragmentedMP4Parser();
-
-private:
-    enum {
-        kWhatStart,
-        kWhatProceed,
-        kWhatReadMore,
-        kWhatGetFormat,
-        kWhatDequeueAccessUnit,
-        kWhatSeekTo,
-    };
-
-    struct TrackFragment;
-    struct DynamicTrackFragment;
-    struct StaticTrackFragment;
-
-    struct DispatchEntry {
-        uint32_t mType;
-        uint32_t mParentType;
-        status_t (FragmentedMP4Parser::*mHandler)(uint32_t, size_t, uint64_t);
-    };
-
-    struct Container {
-        uint64_t mOffset;
-        uint64_t mBytesRemaining;
-        uint32_t mType;
-        bool mExtendsToEOF;
-    };
-
-    struct SampleDescription {
-        uint32_t mType;
-        uint16_t mDataRefIndex;
-
-        sp<AMessage> mFormat;
-    };
-
-    struct SampleInfo {
-        off64_t mOffset;
-        size_t mSize;
-        uint32_t mPresentationTime;
-        size_t mSampleDescIndex;
-        uint32_t mFlags;
-    };
-
-    struct MediaDataInfo {
-        sp<ABuffer> mBuffer;
-        off64_t mOffset;
-    };
-
-    struct SidxEntry {
-        size_t mSize;
-        uint32_t mDurationUs;
-    };
-
-    struct TrackInfo {
-        enum Flags {
-            kTrackEnabled     = 0x01,
-            kTrackInMovie     = 0x02,
-            kTrackInPreview   = 0x04,
-        };
-
-        uint32_t mTrackID;
-        uint32_t mFlags;
-        uint32_t mDuration;  // This is the duration in terms of movie timescale!
-        uint64_t mSidxDuration; // usec, from sidx box, which can use a different timescale
-
-        uint32_t mMediaTimeScale;
-
-        uint32_t mMediaHandlerType;
-        Vector<SampleDescription> mSampleDescs;
-
-        // from track extends:
-        uint32_t mDefaultSampleDescriptionIndex;
-        uint32_t mDefaultSampleDuration;
-        uint32_t mDefaultSampleSize;
-        uint32_t mDefaultSampleFlags;
-
-        uint32_t mDecodingTime;
-
-        Vector<SidxEntry> mSidx;
-        sp<StaticTrackFragment> mStaticFragment;
-        List<sp<TrackFragment> > mFragments;
-    };
-
-    struct TrackFragmentHeaderInfo {
-        enum Flags {
-            kBaseDataOffsetPresent         = 0x01,
-            kSampleDescriptionIndexPresent = 0x02,
-            kDefaultSampleDurationPresent  = 0x08,
-            kDefaultSampleSizePresent      = 0x10,
-            kDefaultSampleFlagsPresent     = 0x20,
-            kDurationIsEmpty               = 0x10000,
-        };
-
-        uint32_t mTrackID;
-        uint32_t mFlags;
-        uint64_t mBaseDataOffset;
-        uint32_t mSampleDescriptionIndex;
-        uint32_t mDefaultSampleDuration;
-        uint32_t mDefaultSampleSize;
-        uint32_t mDefaultSampleFlags;
-
-        uint64_t mDataOffset;
-    };
-
-    static const DispatchEntry kDispatchTable[];
-
-    sp<Source> mSource;
-    off_t mBufferPos;
-    bool mSuspended;
-    bool mDoneWithMoov;
-    off_t mFirstMoofOffset; // used as the starting point for offsets calculated from the sidx box
-    sp<ABuffer> mBuffer;
-    Vector<Container> mStack;
-    KeyedVector<uint32_t, TrackInfo> mTracks;  // TrackInfo by trackID
-    Vector<MediaDataInfo> mMediaData;
-
-    uint32_t mCurrentTrackID;
-
-    status_t mFinalResult;
-
-    TrackFragmentHeaderInfo mTrackFragmentHeaderInfo;
-
-    status_t onProceed();
-    status_t onDequeueAccessUnit(size_t trackIndex, sp<ABuffer> *accessUnit);
-    status_t onSeekTo(bool wantAudio, int64_t position);
-
-    void enter(off64_t offset, uint32_t type, uint64_t size);
-
-    uint16_t readU16(size_t offset);
-    uint32_t readU32(size_t offset);
-    uint64_t readU64(size_t offset);
-    void skip(off_t distance);
-    status_t need(size_t size);
-    bool fitsContainer(uint64_t size) const;
-
-    status_t parseTrackHeader(
-            uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseMediaHeader(
-            uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseMediaHandler(
-            uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseTrackExtends(
-            uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseTrackFragmentHeader(
-            uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseTrackFragmentRun(
-            uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseVisualSampleEntry(
-            uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseAudioSampleEntry(
-            uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseSampleSizes(
-            uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseCompactSampleSizes(
-            uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseSampleToChunk(
-            uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseChunkOffsets(
-            uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseChunkOffsets64(
-            uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseAVCCodecSpecificData(
-            uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseESDSCodecSpecificData(
-            uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseMediaData(
-            uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseSegmentIndex(
-            uint32_t type, size_t offset, uint64_t size);
-
-    TrackInfo *editTrack(uint32_t trackID, bool createIfNecessary = false);
-
-    ssize_t findTrack(bool wantAudio) const;
-
-    status_t makeAccessUnit(
-            TrackInfo *info,
-            const SampleInfo &sample,
-            const MediaDataInfo &mdatInfo,
-            sp<ABuffer> *accessUnit);
-
-    status_t getSample(
-            TrackInfo *info,
-            sp<TrackFragment> *fragment,
-            SampleInfo *sampleInfo);
-
-    static int CompareSampleLocation(
-        const SampleInfo &sample, const MediaDataInfo &mdatInfo);
-
-    void resumeIfNecessary();
-
-    void copyBuffer(
-            sp<ABuffer> *dst,
-            size_t offset, uint64_t size) const;
-
-    DISALLOW_EVIL_CONSTRUCTORS(FragmentedMP4Parser);
-};
-
-}  // namespace android
-
-#endif  // PARSER_H_
-
diff --git a/media/libstagefright/mp4/FragmentedMP4Parser.cpp b/media/libstagefright/mp4/FragmentedMP4Parser.cpp
deleted file mode 100644
index 0639bec..0000000
--- a/media/libstagefright/mp4/FragmentedMP4Parser.cpp
+++ /dev/null
@@ -1,2001 +0,0 @@
-/*
- * Copyright (C) 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.
- */
-
-//#define LOG_NDEBUG 0
-#define LOG_TAG "FragmentedMP4Parser"
-#include <utils/Log.h>
-
-#include "include/avc_utils.h"
-#include "include/ESDS.h"
-#include "include/FragmentedMP4Parser.h"
-#include "TrackFragment.h"
-
-
-#include <media/stagefright/foundation/ABuffer.h>
-#include <media/stagefright/foundation/ADebug.h>
-#include <media/stagefright/foundation/AMessage.h>
-#include <media/stagefright/foundation/hexdump.h>
-#include <media/stagefright/MediaDefs.h>
-#include <media/stagefright/MediaErrors.h>
-#include <media/stagefright/Utils.h>
-
-#if LOG_NDEBUG
-#define UNUSED_UNLESS_VERBOSE(x) (void)(x)
-#else
-#define UNUSED_UNLESS_VERBOSE(x)
-#endif
-
-namespace android {
-
-static const char *Fourcc2String(uint32_t fourcc) {
-    static char buffer[5];
-    buffer[4] = '\0';
-    buffer[0] = fourcc >> 24;
-    buffer[1] = (fourcc >> 16) & 0xff;
-    buffer[2] = (fourcc >> 8) & 0xff;
-    buffer[3] = fourcc & 0xff;
-
-    return buffer;
-}
-
-static const char *IndentString(size_t n) {
-    static const char kSpace[] = "                              ";
-    return kSpace + sizeof(kSpace) - 2 * n - 1;
-}
-
-// static
-const FragmentedMP4Parser::DispatchEntry FragmentedMP4Parser::kDispatchTable[] = {
-    { FOURCC('m', 'o', 'o', 'v'), 0, NULL },
-    { FOURCC('t', 'r', 'a', 'k'), FOURCC('m', 'o', 'o', 'v'), NULL },
-    { FOURCC('u', 'd', 't', 'a'), FOURCC('t', 'r', 'a', 'k'), NULL },
-    { FOURCC('u', 'd', 't', 'a'), FOURCC('m', 'o', 'o', 'v'), NULL },
-    { FOURCC('m', 'e', 't', 'a'), FOURCC('u', 'd', 't', 'a'), NULL },
-    { FOURCC('i', 'l', 's', 't'), FOURCC('m', 'e', 't', 'a'), NULL },
-
-    { FOURCC('t', 'k', 'h', 'd'), FOURCC('t', 'r', 'a', 'k'),
-        &FragmentedMP4Parser::parseTrackHeader
-    },
-
-    { FOURCC('m', 'v', 'e', 'x'), FOURCC('m', 'o', 'o', 'v'), NULL },
-
-    { FOURCC('t', 'r', 'e', 'x'), FOURCC('m', 'v', 'e', 'x'),
-        &FragmentedMP4Parser::parseTrackExtends
-    },
-
-    { FOURCC('e', 'd', 't', 's'), FOURCC('t', 'r', 'a', 'k'), NULL },
-    { FOURCC('m', 'd', 'i', 'a'), FOURCC('t', 'r', 'a', 'k'), NULL },
-
-    { FOURCC('m', 'd', 'h', 'd'), FOURCC('m', 'd', 'i', 'a'),
-        &FragmentedMP4Parser::parseMediaHeader
-    },
-
-    { FOURCC('h', 'd', 'l', 'r'), FOURCC('m', 'd', 'i', 'a'),
-        &FragmentedMP4Parser::parseMediaHandler
-    },
-
-    { FOURCC('m', 'i', 'n', 'f'), FOURCC('m', 'd', 'i', 'a'), NULL },
-    { FOURCC('d', 'i', 'n', 'f'), FOURCC('m', 'i', 'n', 'f'), NULL },
-    { FOURCC('s', 't', 'b', 'l'), FOURCC('m', 'i', 'n', 'f'), NULL },
-    { FOURCC('s', 't', 's', 'd'), FOURCC('s', 't', 'b', 'l'), NULL },
-
-    { FOURCC('s', 't', 's', 'z'), FOURCC('s', 't', 'b', 'l'),
-        &FragmentedMP4Parser::parseSampleSizes },
-
-    { FOURCC('s', 't', 'z', '2'), FOURCC('s', 't', 'b', 'l'),
-        &FragmentedMP4Parser::parseCompactSampleSizes },
-
-    { FOURCC('s', 't', 's', 'c'), FOURCC('s', 't', 'b', 'l'),
-        &FragmentedMP4Parser::parseSampleToChunk },
-
-    { FOURCC('s', 't', 'c', 'o'), FOURCC('s', 't', 'b', 'l'),
-        &FragmentedMP4Parser::parseChunkOffsets },
-
-    { FOURCC('c', 'o', '6', '4'), FOURCC('s', 't', 'b', 'l'),
-        &FragmentedMP4Parser::parseChunkOffsets64 },
-
-    { FOURCC('a', 'v', 'c', 'C'), FOURCC('a', 'v', 'c', '1'),
-        &FragmentedMP4Parser::parseAVCCodecSpecificData },
-
-    { FOURCC('e', 's', 'd', 's'), FOURCC('m', 'p', '4', 'a'),
-        &FragmentedMP4Parser::parseESDSCodecSpecificData },
-
-    { FOURCC('e', 's', 'd', 's'), FOURCC('m', 'p', '4', 'v'),
-        &FragmentedMP4Parser::parseESDSCodecSpecificData },
-
-    { FOURCC('m', 'd', 'a', 't'), 0, &FragmentedMP4Parser::parseMediaData },
-
-    { FOURCC('m', 'o', 'o', 'f'), 0, NULL },
-    { FOURCC('t', 'r', 'a', 'f'), FOURCC('m', 'o', 'o', 'f'), NULL },
-
-    { FOURCC('t', 'f', 'h', 'd'), FOURCC('t', 'r', 'a', 'f'),
-        &FragmentedMP4Parser::parseTrackFragmentHeader
-    },
-    { FOURCC('t', 'r', 'u', 'n'), FOURCC('t', 'r', 'a', 'f'),
-        &FragmentedMP4Parser::parseTrackFragmentRun
-    },
-
-    { FOURCC('m', 'f', 'r', 'a'), 0, NULL },
-
-    { FOURCC('s', 'i', 'd', 'x'), 0, &FragmentedMP4Parser::parseSegmentIndex },
-};
-
-struct FileSource : public FragmentedMP4Parser::Source {
-    FileSource(const char *filename)
-        : mFile(fopen(filename, "rb")) {
-            CHECK(mFile != NULL);
-        }
-
-    virtual ~FileSource() {
-        fclose(mFile);
-    }
-
-    virtual ssize_t readAt(off64_t offset, void *data, size_t size) {
-        fseek(mFile, offset, SEEK_SET);
-        return fread(data, 1, size, mFile);
-    }
-
-    virtual bool isSeekable() {
-        return true;
-    }
-
-    private:
-    FILE *mFile;
-
-    DISALLOW_EVIL_CONSTRUCTORS(FileSource);
-};
-
-struct ReadTracker : public RefBase {
-    ReadTracker(off64_t size) {
-        allocSize = 1 + size / 8192; // 1 bit per kilobyte
-        bitmap = (char*) calloc(1, allocSize);
-    }
-    virtual ~ReadTracker() {
-        dumpToLog();
-        free(bitmap);
-    }
-    void mark(off64_t offset, size_t size) {
-        int firstbit = offset / 1024;
-        int lastbit = (offset + size - 1) / 1024;
-        for (int i = firstbit; i <= lastbit; i++) {
-            bitmap[i/8] |= (0x80 >> (i & 7));
-        }
-    }
-
- private:
-    void dumpToLog() {
-        // 96 chars per line, each char represents one kilobyte, 1 kb per bit
-        int numlines = allocSize / 12;
-        char buf[97];
-        char *cur = bitmap;
-        for (int i = 0; i < numlines; i++ && cur) {
-            for (int j = 0; j < 12; j++) {
-                for (int k = 0; k < 8; k++) {
-                    buf[(j * 8) + k] = (*cur & (0x80 >> k)) ? 'X' : '.';
-                }
-                cur++;
-            }
-            buf[96] = '\0';
-            ALOGI("%5dk: %s", i * 96, buf);
-        }
-    }
-
-    size_t allocSize;
-    char *bitmap;
-};
-
-struct DataSourceSource : public FragmentedMP4Parser::Source {
-    DataSourceSource(sp<DataSource> &source)
-        : mDataSource(source) {
-            CHECK(mDataSource != NULL);
-#if 0
-            off64_t size;
-            if (source->getSize(&size) == OK) {
-                mReadTracker = new ReadTracker(size);
-            } else {
-                ALOGE("couldn't get data source size");
-            }
-#endif
-        }
-
-    virtual ssize_t readAt(off64_t offset, void *data, size_t size) {
-        if (mReadTracker != NULL) {
-            mReadTracker->mark(offset, size);
-        }
-        return mDataSource->readAt(offset, data, size);
-    }
-
-    virtual bool isSeekable() {
-        return true;
-    }
-
-    private:
-    sp<DataSource> mDataSource;
-    sp<ReadTracker> mReadTracker;
-
-    DISALLOW_EVIL_CONSTRUCTORS(DataSourceSource);
-};
-
-FragmentedMP4Parser::FragmentedMP4Parser()
-    : mBufferPos(0),
-      mSuspended(false),
-      mDoneWithMoov(false),
-      mFirstMoofOffset(0),
-      mFinalResult(OK) {
-}
-
-FragmentedMP4Parser::~FragmentedMP4Parser() {
-}
-
-void FragmentedMP4Parser::start(const char *filename) {
-    sp<AMessage> msg = new AMessage(kWhatStart, id());
-    msg->setObject("source", new FileSource(filename));
-    msg->post();
-    ALOGV("Parser::start(%s)", filename);
-}
-
-void FragmentedMP4Parser::start(const sp<Source> &source) {
-    sp<AMessage> msg = new AMessage(kWhatStart, id());
-    msg->setObject("source", source);
-    msg->post();
-    ALOGV("Parser::start(Source)");
-}
-
-void FragmentedMP4Parser::start(sp<DataSource> &source) {
-    sp<AMessage> msg = new AMessage(kWhatStart, id());
-    msg->setObject("source", new DataSourceSource(source));
-    msg->post();
-    ALOGV("Parser::start(DataSource)");
-}
-
-sp<AMessage> FragmentedMP4Parser::getFormat(bool audio, bool synchronous) {
-
-    while (true) {
-        bool moovDone = mDoneWithMoov;
-        sp<AMessage> msg = new AMessage(kWhatGetFormat, id());
-        msg->setInt32("audio", audio);
-
-        sp<AMessage> response;
-        status_t err = msg->postAndAwaitResponse(&response);
-
-        if (err != OK) {
-            ALOGV("getFormat post failed: %d", err);
-            return NULL;
-        }
-
-        if (response->findInt32("err", &err) && err != OK) {
-            if (synchronous && err == -EWOULDBLOCK && !moovDone) {
-                resumeIfNecessary();
-                ALOGV("@getFormat parser not ready yet, retrying");
-                usleep(10000);
-                continue;
-            }
-            ALOGV("getFormat failed: %d", err);
-            return NULL;
-        }
-
-        sp<AMessage> format;
-        CHECK(response->findMessage("format", &format));
-
-        ALOGV("returning format %s", format->debugString().c_str());
-        return format;
-    }
-}
-
-status_t FragmentedMP4Parser::seekTo(bool wantAudio, int64_t timeUs) {
-    sp<AMessage> msg = new AMessage(kWhatSeekTo, id());
-    msg->setInt32("audio", wantAudio);
-    msg->setInt64("position", timeUs);
-
-    sp<AMessage> response;
-    status_t err = msg->postAndAwaitResponse(&response);
-    return err;
-}
-
-bool FragmentedMP4Parser::isSeekable() const {
-    while (mFirstMoofOffset == 0 && mFinalResult == OK) {
-        usleep(10000);
-    }
-    bool seekable = mSource->isSeekable();
-    for (size_t i = 0; seekable && i < mTracks.size(); i++) {
-        const TrackInfo *info = &mTracks.valueAt(i);
-        seekable &= !info->mSidx.empty();
-    }
-    return seekable;
-}
-
-status_t FragmentedMP4Parser::onSeekTo(bool wantAudio, int64_t position) {
-    status_t err = -EINVAL;
-    ssize_t trackIndex = findTrack(wantAudio);
-    if (trackIndex < 0) {
-        err = trackIndex;
-    } else {
-        TrackInfo *info = &mTracks.editValueAt(trackIndex);
-
-        int numSidxEntries = info->mSidx.size();
-        int64_t totalTime = 0;
-        off_t totalOffset = mFirstMoofOffset;
-        for (int i = 0; i < numSidxEntries; i++) {
-            const SidxEntry *se = &info->mSidx[i];
-            if (totalTime + se->mDurationUs > position) {
-                mBuffer->setRange(0,0);
-                mBufferPos = totalOffset;
-                if (mFinalResult == ERROR_END_OF_STREAM) {
-                    mFinalResult = OK;
-                    mSuspended = true; // force resume
-                    resumeIfNecessary();
-                }
-                info->mFragments.clear();
-                info->mDecodingTime = totalTime * info->mMediaTimeScale / 1000000ll;
-                return OK;
-            }
-            totalTime += se->mDurationUs;
-            totalOffset += se->mSize;
-        }
-    }
-    ALOGV("seekTo out of range");
-    return err;
-}
-
-status_t FragmentedMP4Parser::dequeueAccessUnit(bool audio, sp<ABuffer> *accessUnit,
-                                                bool synchronous) {
-
-    while (true) {
-        sp<AMessage> msg = new AMessage(kWhatDequeueAccessUnit, id());
-        msg->setInt32("audio", audio);
-
-        sp<AMessage> response;
-        status_t err = msg->postAndAwaitResponse(&response);
-
-        if (err != OK) {
-            ALOGV("dequeue fail 1: %d", err);
-            return err;
-        }
-
-        if (response->findInt32("err", &err) && err != OK) {
-            if (synchronous && err == -EWOULDBLOCK) {
-                resumeIfNecessary();
-                ALOGV("Parser not ready yet, retrying");
-                usleep(10000);
-                continue;
-            }
-            ALOGV("dequeue fail 2: %d, %d", err, synchronous);
-            return err;
-        }
-
-        CHECK(response->findBuffer("accessUnit", accessUnit));
-
-        return OK;
-    }
-}
-
-ssize_t FragmentedMP4Parser::findTrack(bool wantAudio) const {
-    for (size_t i = 0; i < mTracks.size(); ++i) {
-        const TrackInfo *info = &mTracks.valueAt(i);
-
-        bool isAudio =
-            info->mMediaHandlerType == FOURCC('s', 'o', 'u', 'n');
-
-        bool isVideo =
-            info->mMediaHandlerType == FOURCC('v', 'i', 'd', 'e');
-
-        if ((wantAudio && isAudio) || (!wantAudio && !isAudio)) {
-            if (info->mSampleDescs.empty()) {
-                break;
-            }
-
-            return i;
-        }
-    }
-
-    return -EWOULDBLOCK;
-}
-
-void FragmentedMP4Parser::onMessageReceived(const sp<AMessage> &msg) {
-    switch (msg->what()) {
-        case kWhatStart:
-        {
-            sp<RefBase> obj;
-            CHECK(msg->findObject("source", &obj));
-
-            mSource = static_cast<Source *>(obj.get());
-
-            mBuffer = new ABuffer(512 * 1024);
-            mBuffer->setRange(0, 0);
-
-            enter(0ll, 0, 0);
-
-            (new AMessage(kWhatProceed, id()))->post();
-            break;
-        }
-
-        case kWhatProceed:
-        {
-            CHECK(!mSuspended);
-
-            status_t err = onProceed();
-
-            if (err == OK) {
-                if (!mSuspended) {
-                    msg->post();
-                }
-            } else if (err != -EAGAIN) {
-                ALOGE("onProceed returned error %d", err);
-            }
-
-            break;
-        }
-
-        case kWhatReadMore:
-        {
-            size_t needed;
-            CHECK(msg->findSize("needed", &needed));
-
-            memmove(mBuffer->base(), mBuffer->data(), mBuffer->size());
-            mBufferPos += mBuffer->offset();
-            mBuffer->setRange(0, mBuffer->size());
-
-            size_t maxBytesToRead = mBuffer->capacity() - mBuffer->size();
-
-            if (maxBytesToRead < needed) {
-                ALOGV("resizing buffer.");
-
-                sp<ABuffer> newBuffer =
-                    new ABuffer((mBuffer->size() + needed + 1023) & ~1023);
-                memcpy(newBuffer->data(), mBuffer->data(), mBuffer->size());
-                newBuffer->setRange(0, mBuffer->size());
-
-                mBuffer = newBuffer;
-                maxBytesToRead = mBuffer->capacity() - mBuffer->size();
-            }
-
-            CHECK_GE(maxBytesToRead, needed);
-
-            ssize_t n = mSource->readAt(
-                    mBufferPos + mBuffer->size(),
-                    mBuffer->data() + mBuffer->size(), needed);
-
-            if (n < (ssize_t)needed) {
-                ALOGV("Reached EOF when reading %d @ %ld + %zu",
-                      needed, mBufferPos, mBuffer->size());
-
-                if (n < 0) {
-                    mFinalResult = n;
-                } else if (n == 0) {
-                    mFinalResult = ERROR_END_OF_STREAM;
-                } else {
-                    mFinalResult = ERROR_IO;
-                }
-            } else {
-                mBuffer->setRange(0, mBuffer->size() + n);
-                (new AMessage(kWhatProceed, id()))->post();
-            }
-
-            break;
-        }
-
-        case kWhatGetFormat:
-        {
-            int32_t wantAudio;
-            CHECK(msg->findInt32("audio", &wantAudio));
-
-            status_t err = -EWOULDBLOCK;
-            sp<AMessage> response = new AMessage;
-
-            ssize_t trackIndex = findTrack(wantAudio);
-
-            if (trackIndex < 0) {
-                err = trackIndex;
-            } else {
-                TrackInfo *info = &mTracks.editValueAt(trackIndex);
-
-                sp<AMessage> format = info->mSampleDescs.itemAt(0).mFormat;
-                if (info->mSidxDuration) {
-                    format->setInt64("durationUs", info->mSidxDuration);
-                } else {
-                    // this is probably going to be zero. Oh well...
-                    format->setInt64("durationUs",
-                                     1000000ll * info->mDuration / info->mMediaTimeScale);
-                }
-                response->setMessage(
-                        "format", format);
-
-                err = OK;
-            }
-
-            response->setInt32("err", err);
-
-            uint32_t replyID;
-            CHECK(msg->senderAwaitsResponse(&replyID));
-
-            response->postReply(replyID);
-            break;
-        }
-
-        case kWhatDequeueAccessUnit:
-        {
-            int32_t wantAudio;
-            CHECK(msg->findInt32("audio", &wantAudio));
-
-            status_t err = -EWOULDBLOCK;
-            sp<AMessage> response = new AMessage;
-
-            ssize_t trackIndex = findTrack(wantAudio);
-
-            if (trackIndex < 0) {
-                err = trackIndex;
-            } else {
-                sp<ABuffer> accessUnit;
-                err = onDequeueAccessUnit(trackIndex, &accessUnit);
-
-                if (err == OK) {
-                    response->setBuffer("accessUnit", accessUnit);
-                }
-            }
-
-            response->setInt32("err", err);
-
-            uint32_t replyID;
-            CHECK(msg->senderAwaitsResponse(&replyID));
-
-            response->postReply(replyID);
-            break;
-        }
-
-        case kWhatSeekTo:
-        {
-            ALOGV("kWhatSeekTo");
-            int32_t wantAudio;
-            CHECK(msg->findInt32("audio", &wantAudio));
-            int64_t position;
-            CHECK(msg->findInt64("position", &position));
-
-            status_t err = -EWOULDBLOCK;
-            sp<AMessage> response = new AMessage;
-
-            ssize_t trackIndex = findTrack(wantAudio);
-
-            if (trackIndex < 0) {
-                err = trackIndex;
-            } else {
-                err = onSeekTo(wantAudio, position);
-            }
-            response->setInt32("err", err);
-            uint32_t replyID;
-            CHECK(msg->senderAwaitsResponse(&replyID));
-            response->postReply(replyID);
-            break;
-        }
-        default:
-            TRESPASS();
-    }
-}
-
-status_t FragmentedMP4Parser::onProceed() {
-    status_t err;
-
-    if ((err = need(8)) != OK) {
-        return err;
-    }
-
-    uint64_t size = readU32(0);
-    uint32_t type = readU32(4);
-
-    size_t offset = 8;
-
-    if (size == 1) {
-        if ((err = need(16)) != OK) {
-            return err;
-        }
-
-        size = readU64(offset);
-        offset += 8;
-    }
-
-    uint8_t userType[16];
-
-    if (type == FOURCC('u', 'u', 'i', 'd')) {
-        if ((err = need(offset + 16)) != OK) {
-            return err;
-        }
-
-        memcpy(userType, mBuffer->data() + offset, 16);
-        offset += 16;
-    }
-
-    CHECK(!mStack.isEmpty());
-    uint32_t ptype = mStack.itemAt(mStack.size() - 1).mType;
-
-    static const size_t kNumDispatchers =
-        sizeof(kDispatchTable) / sizeof(kDispatchTable[0]);
-
-    size_t i;
-    for (i = 0; i < kNumDispatchers; ++i) {
-        if (kDispatchTable[i].mType == type
-                && kDispatchTable[i].mParentType == ptype) {
-            break;
-        }
-    }
-
-    // SampleEntry boxes are container boxes that start with a variable
-    // amount of data depending on the media handler type.
-    // We don't look inside 'hint' type SampleEntry boxes.
-
-    bool isSampleEntryBox =
-        (ptype == FOURCC('s', 't', 's', 'd'))
-        && editTrack(mCurrentTrackID)->mMediaHandlerType
-        != FOURCC('h', 'i', 'n', 't');
-
-    if ((i < kNumDispatchers && kDispatchTable[i].mHandler == 0)
-            || isSampleEntryBox || ptype == FOURCC('i', 'l', 's', 't')) {
-        // This is a container box.
-        if (type == FOURCC('m', 'o', 'o', 'f')) {
-            if (mFirstMoofOffset == 0) {
-                ALOGV("first moof @ %08lx", mBufferPos + offset);
-                mFirstMoofOffset = mBufferPos + offset - 8; // point at the size
-            }
-        }
-        if (type == FOURCC('m', 'e', 't', 'a')) {
-            if ((err = need(offset + 4)) < OK) {
-                return err;
-            }
-
-            if (readU32(offset) != 0) {
-                return -EINVAL;
-            }
-
-            offset += 4;
-        } else if (type == FOURCC('s', 't', 's', 'd')) {
-            if ((err = need(offset + 8)) < OK) {
-                return err;
-            }
-
-            if (readU32(offset) != 0) {
-                return -EINVAL;
-            }
-
-            if (readU32(offset + 4) == 0) {
-                // We need at least some entries.
-                return -EINVAL;
-            }
-
-            offset += 8;
-        } else if (isSampleEntryBox) {
-            size_t headerSize;
-
-            switch (editTrack(mCurrentTrackID)->mMediaHandlerType) {
-                case FOURCC('v', 'i', 'd', 'e'):
-                {
-                    // 8 bytes SampleEntry + 70 bytes VisualSampleEntry
-                    headerSize = 78;
-                    break;
-                }
-
-                case FOURCC('s', 'o', 'u', 'n'):
-                {
-                    // 8 bytes SampleEntry + 20 bytes AudioSampleEntry
-                    headerSize = 28;
-                    break;
-                }
-
-                case FOURCC('m', 'e', 't', 'a'):
-                {
-                    headerSize = 8;  // 8 bytes SampleEntry
-                    break;
-                }
-
-                default:
-                    TRESPASS();
-            }
-
-            if (offset + headerSize > size) {
-                return -EINVAL;
-            }
-
-            if ((err = need(offset + headerSize)) != OK) {
-                return err;
-            }
-
-            switch (editTrack(mCurrentTrackID)->mMediaHandlerType) {
-                case FOURCC('v', 'i', 'd', 'e'):
-                {
-                    err = parseVisualSampleEntry(
-                            type, offset, offset + headerSize);
-                    break;
-                }
-
-                case FOURCC('s', 'o', 'u', 'n'):
-                {
-                    err = parseAudioSampleEntry(
-                            type, offset, offset + headerSize);
-                    break;
-                }
-
-                case FOURCC('m', 'e', 't', 'a'):
-                {
-                    err = OK;
-                    break;
-                }
-
-                default:
-                    TRESPASS();
-            }
-
-            if (err != OK) {
-                return err;
-            }
-
-            offset += headerSize;
-        }
-
-        skip(offset);
-
-        ALOGV("%sentering box of type '%s'",
-                IndentString(mStack.size()), Fourcc2String(type));
-
-        enter(mBufferPos - offset, type, size - offset);
-    } else {
-        if (!fitsContainer(size)) {
-            return -EINVAL;
-        }
-
-        if (i < kNumDispatchers && kDispatchTable[i].mHandler != 0) {
-            // We have a handler for this box type.
-
-            if ((err = need(size)) != OK) {
-                return err;
-            }
-
-            ALOGV("%sparsing box of type '%s'",
-                    IndentString(mStack.size()), Fourcc2String(type));
-
-            if ((err = (this->*kDispatchTable[i].mHandler)(
-                            type, offset, size)) != OK) {
-                return err;
-            }
-        } else {
-            // Unknown box type
-
-            ALOGV("%sskipping box of type '%s', size %llu",
-                    IndentString(mStack.size()),
-                    Fourcc2String(type), size);
-
-        }
-
-        skip(size);
-    }
-
-    return OK;
-}
-
-// static
-int FragmentedMP4Parser::CompareSampleLocation(
-        const SampleInfo &sample, const MediaDataInfo &mdatInfo) {
-    if (sample.mOffset + sample.mSize < mdatInfo.mOffset) {
-        return -1;
-    }
-
-    if (sample.mOffset >= mdatInfo.mOffset + mdatInfo.mBuffer->size()) {
-        return 1;
-    }
-
-    // Otherwise make sure the sample is completely contained within this
-    // media data block.
-
-    CHECK_GE(sample.mOffset, mdatInfo.mOffset);
-
-    CHECK_LE(sample.mOffset + sample.mSize,
-             mdatInfo.mOffset + mdatInfo.mBuffer->size());
-
-    return 0;
-}
-
-void FragmentedMP4Parser::resumeIfNecessary() {
-    if (!mSuspended) {
-        return;
-    }
-
-    ALOGV("resuming.");
-
-    mSuspended = false;
-    (new AMessage(kWhatProceed, id()))->post();
-}
-
-status_t FragmentedMP4Parser::getSample(
-        TrackInfo *info, sp<TrackFragment> *fragment, SampleInfo *sampleInfo) {
-    for (;;) {
-        if (info->mFragments.empty()) {
-            if (mFinalResult != OK) {
-                return mFinalResult;
-            }
-
-            resumeIfNecessary();
-            return -EWOULDBLOCK;
-        }
-
-        *fragment = *info->mFragments.begin();
-
-        status_t err = (*fragment)->getSample(sampleInfo);
-
-        if (err == OK) {
-            return OK;
-        } else if (err != ERROR_END_OF_STREAM) {
-            return err;
-        }
-
-        // Really, end of this fragment...
-
-        info->mFragments.erase(info->mFragments.begin());
-    }
-}
-
-status_t FragmentedMP4Parser::onDequeueAccessUnit(
-        size_t trackIndex, sp<ABuffer> *accessUnit) {
-    TrackInfo *info = &mTracks.editValueAt(trackIndex);
-
-    sp<TrackFragment> fragment;
-    SampleInfo sampleInfo;
-    status_t err = getSample(info, &fragment, &sampleInfo);
-
-    if (err == -EWOULDBLOCK) {
-        resumeIfNecessary();
-        return err;
-    } else if (err != OK) {
-        return err;
-    }
-
-    err = -EWOULDBLOCK;
-
-    bool checkDroppable = false;
-
-    for (size_t i = 0; i < mMediaData.size(); ++i) {
-        const MediaDataInfo &mdatInfo = mMediaData.itemAt(i);
-
-        int cmp = CompareSampleLocation(sampleInfo, mdatInfo);
-
-        if (cmp < 0 && !mSource->isSeekable()) {
-            return -EPIPE;
-        } else if (cmp == 0) {
-            if (i > 0) {
-                checkDroppable = true;
-            }
-
-            err = makeAccessUnit(info, sampleInfo, mdatInfo, accessUnit);
-            break;
-        }
-    }
-
-    if (err != OK) {
-        return err;
-    }
-
-    fragment->advance();
-
-    if (!mMediaData.empty() && checkDroppable) {
-        size_t numDroppable = 0;
-        bool done = false;
-
-        // XXX FIXME: if one of the tracks is not advanced (e.g. if you play an audio+video
-        // file with sf2), then mMediaData will not be pruned and keeps growing
-        for (size_t i = 0; !done && i < mMediaData.size(); ++i) {
-            const MediaDataInfo &mdatInfo = mMediaData.itemAt(i);
-
-            for (size_t j = 0; j < mTracks.size(); ++j) {
-                TrackInfo *info = &mTracks.editValueAt(j);
-
-                sp<TrackFragment> fragment;
-                SampleInfo sampleInfo;
-                err = getSample(info, &fragment, &sampleInfo);
-
-                if (err != OK) {
-                    done = true;
-                    break;
-                }
-
-                int cmp = CompareSampleLocation(sampleInfo, mdatInfo);
-
-                if (cmp <= 0) {
-                    done = true;
-                    break;
-                }
-            }
-
-            if (!done) {
-                ++numDroppable;
-            }
-        }
-
-        if (numDroppable > 0) {
-            mMediaData.removeItemsAt(0, numDroppable);
-
-            if (mMediaData.size() < 5) {
-                resumeIfNecessary();
-            }
-        }
-    }
-
-    return err;
-}
-
-static size_t parseNALSize(size_t nalLengthSize, const uint8_t *data) {
-    switch (nalLengthSize) {
-        case 1:
-            return *data;
-        case 2:
-            return U16_AT(data);
-        case 3:
-            return ((size_t)data[0] << 16) | U16_AT(&data[1]);
-        case 4:
-            return U32_AT(data);
-    }
-
-    // This cannot happen, mNALLengthSize springs to life by adding 1 to
-    // a 2-bit integer.
-    TRESPASS();
-
-    return 0;
-}
-
-status_t FragmentedMP4Parser::makeAccessUnit(
-        TrackInfo *info,
-        const SampleInfo &sample,
-        const MediaDataInfo &mdatInfo,
-        sp<ABuffer> *accessUnit) {
-    if (sample.mSampleDescIndex < 1
-            || sample.mSampleDescIndex > info->mSampleDescs.size()) {
-        return ERROR_MALFORMED;
-    }
-
-    int64_t presentationTimeUs =
-        1000000ll * sample.mPresentationTime / info->mMediaTimeScale;
-
-    const SampleDescription &sampleDesc =
-        info->mSampleDescs.itemAt(sample.mSampleDescIndex - 1);
-
-    size_t nalLengthSize;
-    if (!sampleDesc.mFormat->findSize("nal-length-size", &nalLengthSize)) {
-        *accessUnit = new ABuffer(sample.mSize);
-
-        memcpy((*accessUnit)->data(),
-               mdatInfo.mBuffer->data() + (sample.mOffset - mdatInfo.mOffset),
-               sample.mSize);
-
-        (*accessUnit)->meta()->setInt64("timeUs", presentationTimeUs);
-        if (IsIDR(*accessUnit)) {
-            (*accessUnit)->meta()->setInt32("is-sync-frame", 1);
-        }
-
-        return OK;
-    }
-
-    const uint8_t *srcPtr =
-        mdatInfo.mBuffer->data() + (sample.mOffset - mdatInfo.mOffset);
-
-    for (int i = 0; i < 2 ; ++i) {
-        size_t srcOffset = 0;
-        size_t dstOffset = 0;
-
-        while (srcOffset < sample.mSize) {
-            if (srcOffset + nalLengthSize > sample.mSize) {
-                return ERROR_MALFORMED;
-            }
-
-            size_t nalSize = parseNALSize(nalLengthSize, &srcPtr[srcOffset]);
-            srcOffset += nalLengthSize;
-
-            if (srcOffset + nalSize > sample.mSize) {
-                return ERROR_MALFORMED;
-            }
-
-            if (i == 1) {
-                memcpy((*accessUnit)->data() + dstOffset,
-                       "\x00\x00\x00\x01",
-                       4);
-
-                memcpy((*accessUnit)->data() + dstOffset + 4,
-                       srcPtr + srcOffset,
-                       nalSize);
-            }
-
-            srcOffset += nalSize;
-            dstOffset += nalSize + 4;
-        }
-
-        if (i == 0) {
-            (*accessUnit) = new ABuffer(dstOffset);
-            (*accessUnit)->meta()->setInt64(
-                    "timeUs", presentationTimeUs);
-        }
-    }
-    if (IsIDR(*accessUnit)) {
-        (*accessUnit)->meta()->setInt32("is-sync-frame", 1);
-    }
-
-    return OK;
-}
-
-status_t FragmentedMP4Parser::need(size_t size) {
-    if (!fitsContainer(size)) {
-        return -EINVAL;
-    }
-
-    if (size <= mBuffer->size()) {
-        return OK;
-    }
-
-    sp<AMessage> msg = new AMessage(kWhatReadMore, id());
-    msg->setSize("needed", size - mBuffer->size());
-    msg->post();
-
-    // ALOGV("need(%d) returning -EAGAIN, only have %d", size, mBuffer->size());
-
-    return -EAGAIN;
-}
-
-void FragmentedMP4Parser::enter(off64_t offset, uint32_t type, uint64_t size) {
-    Container container;
-    container.mOffset = offset;
-    container.mType = type;
-    container.mExtendsToEOF = (size == 0);
-    container.mBytesRemaining = size;
-
-    mStack.push(container);
-}
-
-bool FragmentedMP4Parser::fitsContainer(uint64_t size) const {
-    CHECK(!mStack.isEmpty());
-    const Container &container = mStack.itemAt(mStack.size() - 1);
-
-    return container.mExtendsToEOF || size <= container.mBytesRemaining;
-}
-
-uint16_t FragmentedMP4Parser::readU16(size_t offset) {
-    CHECK_LE(offset + 2, mBuffer->size());
-
-    const uint8_t *ptr = mBuffer->data() + offset;
-    return (ptr[0] << 8) | ptr[1];
-}
-
-uint32_t FragmentedMP4Parser::readU32(size_t offset) {
-    CHECK_LE(offset + 4, mBuffer->size());
-
-    const uint8_t *ptr = mBuffer->data() + offset;
-    return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
-}
-
-uint64_t FragmentedMP4Parser::readU64(size_t offset) {
-    return (((uint64_t)readU32(offset)) << 32) | readU32(offset + 4);
-}
-
-void FragmentedMP4Parser::skip(off_t distance) {
-    CHECK(!mStack.isEmpty());
-    for (size_t i = mStack.size(); i-- > 0;) {
-        Container *container = &mStack.editItemAt(i);
-        if (!container->mExtendsToEOF) {
-            CHECK_LE(distance, (off_t)container->mBytesRemaining);
-
-            container->mBytesRemaining -= distance;
-
-            if (container->mBytesRemaining == 0) {
-                ALOGV("%sleaving box of type '%s'",
-                        IndentString(mStack.size() - 1),
-                        Fourcc2String(container->mType));
-
-#if 0
-                if (container->mType == FOURCC('s', 't', 's', 'd')) {
-                    TrackInfo *trackInfo = editTrack(mCurrentTrackID);
-                    for (size_t i = 0;
-                            i < trackInfo->mSampleDescs.size(); ++i) {
-                        ALOGI("format #%d: %s",
-                              i,
-                              trackInfo->mSampleDescs.itemAt(i)
-                                .mFormat->debugString().c_str());
-                    }
-                }
-#endif
-
-                if (container->mType == FOURCC('s', 't', 'b', 'l')) {
-                    TrackInfo *trackInfo = editTrack(mCurrentTrackID);
-
-                    trackInfo->mStaticFragment->signalCompletion();
-
-                    CHECK(trackInfo->mFragments.empty());
-                    trackInfo->mFragments.push_back(trackInfo->mStaticFragment);
-                    trackInfo->mStaticFragment.clear();
-                } else if (container->mType == FOURCC('t', 'r', 'a', 'f')) {
-                    TrackInfo *trackInfo =
-                        editTrack(mTrackFragmentHeaderInfo.mTrackID);
-
-                    const sp<TrackFragment> &fragment =
-                        *--trackInfo->mFragments.end();
-
-                    static_cast<DynamicTrackFragment *>(
-                            fragment.get())->signalCompletion();
-                } else if (container->mType == FOURCC('m', 'o', 'o', 'v')) {
-                    mDoneWithMoov = true;
-                }
-
-                container = NULL;
-                mStack.removeItemsAt(i);
-            }
-        }
-    }
-
-    if (distance < (off_t)mBuffer->size()) {
-        mBuffer->setRange(mBuffer->offset() + distance, mBuffer->size() - distance);
-        mBufferPos += distance;
-        return;
-    }
-
-    mBuffer->setRange(0, 0);
-    mBufferPos += distance;
-}
-
-status_t FragmentedMP4Parser::parseTrackHeader(
-        uint32_t /* type */, size_t offset, uint64_t size) {
-    if (offset + 4 > size) {
-        return -EINVAL;
-    }
-
-    uint32_t flags = readU32(offset);
-
-    uint32_t version = flags >> 24;
-    flags &= 0xffffff;
-
-    uint32_t trackID;
-    uint64_t duration;
-
-    if (version == 1) {
-        if (offset + 36 > size) {
-            return -EINVAL;
-        }
-
-        trackID = readU32(offset + 20);
-        duration = readU64(offset + 28);
-
-        offset += 36;
-    } else if (version == 0) {
-        if (offset + 24 > size) {
-            return -EINVAL;
-        }
-
-        trackID = readU32(offset + 12);
-        duration = readU32(offset + 20);
-
-        offset += 24;
-    } else {
-        return -EINVAL;
-    }
-
-    TrackInfo *info = editTrack(trackID, true /* createIfNecessary */);
-    info->mFlags = flags;
-    info->mDuration = duration;
-    if (info->mDuration == 0xffffffff) {
-        // ffmpeg sets this to -1, which is incorrect.
-        info->mDuration = 0;
-    }
-
-    info->mStaticFragment = new StaticTrackFragment;
-
-    mCurrentTrackID = trackID;
-
-    return OK;
-}
-
-status_t FragmentedMP4Parser::parseMediaHeader(
-        uint32_t /* type */, size_t offset, uint64_t size) {
-    if (offset + 4 > size) {
-        return -EINVAL;
-    }
-
-    uint32_t versionAndFlags = readU32(offset);
-
-    if (versionAndFlags & 0xffffff) {
-        return ERROR_MALFORMED;
-    }
-
-    uint32_t version = versionAndFlags >> 24;
-
-    TrackInfo *info = editTrack(mCurrentTrackID);
-
-    if (version == 1) {
-        if (offset + 4 + 32 > size) {
-            return -EINVAL;
-        }
-        info->mMediaTimeScale = U32_AT(mBuffer->data() + offset + 20);
-    } else if (version == 0) {
-        if (offset + 4 + 20 > size) {
-            return -EINVAL;
-        }
-        info->mMediaTimeScale = U32_AT(mBuffer->data() + offset + 12);
-    } else {
-        return ERROR_MALFORMED;
-    }
-
-    return OK;
-}
-
-status_t FragmentedMP4Parser::parseMediaHandler(
-        uint32_t /* type */, size_t offset, uint64_t size) {
-    if (offset + 12 > size) {
-        return -EINVAL;
-    }
-
-    if (readU32(offset) != 0) {
-        return -EINVAL;
-    }
-
-    uint32_t handlerType = readU32(offset + 8);
-
-    switch (handlerType) {
-        case FOURCC('v', 'i', 'd', 'e'):
-        case FOURCC('s', 'o', 'u', 'n'):
-        case FOURCC('h', 'i', 'n', 't'):
-        case FOURCC('m', 'e', 't', 'a'):
-            break;
-
-        default:
-            return -EINVAL;
-    }
-
-    editTrack(mCurrentTrackID)->mMediaHandlerType = handlerType;
-
-    return OK;
-}
-
-status_t FragmentedMP4Parser::parseVisualSampleEntry(
-        uint32_t type, size_t offset, uint64_t size) {
-    if (offset + 78 > size) {
-        return -EINVAL;
-    }
-
-    TrackInfo *trackInfo = editTrack(mCurrentTrackID);
-
-    trackInfo->mSampleDescs.push();
-    SampleDescription *sampleDesc =
-        &trackInfo->mSampleDescs.editItemAt(
-                trackInfo->mSampleDescs.size() - 1);
-
-    sampleDesc->mType = type;
-    sampleDesc->mDataRefIndex = readU16(offset + 6);
-
-    sp<AMessage> format = new AMessage;
-
-    switch (type) {
-        case FOURCC('a', 'v', 'c', '1'):
-            format->setString("mime", MEDIA_MIMETYPE_VIDEO_AVC);
-            break;
-        case FOURCC('m', 'p', '4', 'v'):
-            format->setString("mime", MEDIA_MIMETYPE_VIDEO_MPEG4);
-            break;
-        case FOURCC('s', '2', '6', '3'):
-        case FOURCC('h', '2', '6', '3'):
-        case FOURCC('H', '2', '6', '3'):
-            format->setString("mime", MEDIA_MIMETYPE_VIDEO_H263);
-            break;
-        default:
-            format->setString("mime", "application/octet-stream");
-            break;
-    }
-
-    format->setInt32("width", readU16(offset + 8 + 16));
-    format->setInt32("height", readU16(offset + 8 + 18));
-
-    sampleDesc->mFormat = format;
-
-    return OK;
-}
-
-status_t FragmentedMP4Parser::parseAudioSampleEntry(
-        uint32_t type, size_t offset, uint64_t size) {
-    if (offset + 28 > size) {
-        return -EINVAL;
-    }
-
-    TrackInfo *trackInfo = editTrack(mCurrentTrackID);
-
-    trackInfo->mSampleDescs.push();
-    SampleDescription *sampleDesc =
-        &trackInfo->mSampleDescs.editItemAt(
-                trackInfo->mSampleDescs.size() - 1);
-
-    sampleDesc->mType = type;
-    sampleDesc->mDataRefIndex = readU16(offset + 6);
-
-    sp<AMessage> format = new AMessage;
-
-    format->setInt32("channel-count", readU16(offset + 8 + 8));
-    format->setInt32("sample-size", readU16(offset + 8 + 10));
-    format->setInt32("sample-rate", readU32(offset + 8 + 16) / 65536.0f);
-
-    switch (type) {
-        case FOURCC('m', 'p', '4', 'a'):
-            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
-            break;
-
-        case FOURCC('s', 'a', 'm', 'r'):
-            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_NB);
-            format->setInt32("channel-count", 1);
-            format->setInt32("sample-rate", 8000);
-            break;
-
-        case FOURCC('s', 'a', 'w', 'b'):
-            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_WB);
-            format->setInt32("channel-count", 1);
-            format->setInt32("sample-rate", 16000);
-            break;
-        default:
-            format->setString("mime", "application/octet-stream");
-            break;
-    }
-
-    sampleDesc->mFormat = format;
-
-    return OK;
-}
-
-static void addCodecSpecificData(
-        const sp<AMessage> &format, int32_t index,
-        const void *data, size_t size,
-        bool insertStartCode = false) {
-    sp<ABuffer> csd = new ABuffer(insertStartCode ? size + 4 : size);
-
-    memcpy(csd->data() + (insertStartCode ? 4 : 0), data, size);
-
-    if (insertStartCode) {
-        memcpy(csd->data(), "\x00\x00\x00\x01", 4);
-    }
-
-    csd->meta()->setInt32("csd", true);
-    csd->meta()->setInt64("timeUs", 0ll);
-
-    format->setBuffer(StringPrintf("csd-%d", index).c_str(), csd);
-}
-
-status_t FragmentedMP4Parser::parseSampleSizes(
-        uint32_t type, size_t offset, uint64_t size) {
-    return editTrack(mCurrentTrackID)->mStaticFragment->parseSampleSizes(
-            this, type, offset, size);
-}
-
-status_t FragmentedMP4Parser::parseCompactSampleSizes(
-        uint32_t type, size_t offset, uint64_t size) {
-    return editTrack(mCurrentTrackID)->mStaticFragment->parseCompactSampleSizes(
-            this, type, offset, size);
-}
-
-status_t FragmentedMP4Parser::parseSampleToChunk(
-        uint32_t type, size_t offset, uint64_t size) {
-    return editTrack(mCurrentTrackID)->mStaticFragment->parseSampleToChunk(
-            this, type, offset, size);
-}
-
-status_t FragmentedMP4Parser::parseChunkOffsets(
-        uint32_t type, size_t offset, uint64_t size) {
-    return editTrack(mCurrentTrackID)->mStaticFragment->parseChunkOffsets(
-            this, type, offset, size);
-}
-
-status_t FragmentedMP4Parser::parseChunkOffsets64(
-        uint32_t type, size_t offset, uint64_t size) {
-    return editTrack(mCurrentTrackID)->mStaticFragment->parseChunkOffsets64(
-            this, type, offset, size);
-}
-
-status_t FragmentedMP4Parser::parseAVCCodecSpecificData(
-        uint32_t /* type */, size_t offset, uint64_t size) {
-    TrackInfo *trackInfo = editTrack(mCurrentTrackID);
-
-    SampleDescription *sampleDesc =
-        &trackInfo->mSampleDescs.editItemAt(
-                trackInfo->mSampleDescs.size() - 1);
-
-    if (sampleDesc->mType != FOURCC('a', 'v', 'c', '1')) {
-        return -EINVAL;
-    }
-
-    const uint8_t *ptr = mBuffer->data() + offset;
-
-    size -= offset;
-    offset = 0;
-
-    if (size < 7 || ptr[0] != 0x01) {
-        return ERROR_MALFORMED;
-    }
-
-    sampleDesc->mFormat->setSize("nal-length-size", 1 + (ptr[4] & 3));
-
-    size_t numSPS = ptr[5] & 31;
-
-    ptr += 6;
-    size -= 6;
-
-    for (size_t i = 0; i < numSPS; ++i) {
-        if (size < 2) {
-            return ERROR_MALFORMED;
-        }
-
-        size_t length = U16_AT(ptr);
-
-        ptr += 2;
-        size -= 2;
-
-        if (size < length) {
-            return ERROR_MALFORMED;
-        }
-
-        addCodecSpecificData(
-                sampleDesc->mFormat, i, ptr, length,
-                true /* insertStartCode */);
-
-        ptr += length;
-        size -= length;
-    }
-
-    if (size < 1) {
-        return ERROR_MALFORMED;
-    }
-
-    size_t numPPS = *ptr;
-    ++ptr;
-    --size;
-
-    for (size_t i = 0; i < numPPS; ++i) {
-        if (size < 2) {
-            return ERROR_MALFORMED;
-        }
-
-        size_t length = U16_AT(ptr);
-
-        ptr += 2;
-        size -= 2;
-
-        if (size < length) {
-            return ERROR_MALFORMED;
-        }
-
-        addCodecSpecificData(
-                sampleDesc->mFormat, numSPS + i, ptr, length,
-                true /* insertStartCode */);
-
-        ptr += length;
-        size -= length;
-    }
-
-    return OK;
-}
-
-status_t FragmentedMP4Parser::parseESDSCodecSpecificData(
-        uint32_t /* type */, size_t offset, uint64_t size) {
-    TrackInfo *trackInfo = editTrack(mCurrentTrackID);
-
-    SampleDescription *sampleDesc =
-        &trackInfo->mSampleDescs.editItemAt(
-                trackInfo->mSampleDescs.size() - 1);
-
-    if (sampleDesc->mType != FOURCC('m', 'p', '4', 'a')
-            && sampleDesc->mType != FOURCC('m', 'p', '4', 'v')) {
-        return -EINVAL;
-    }
-
-    const uint8_t *ptr = mBuffer->data() + offset;
-
-    size -= offset;
-    offset = 0;
-
-    if (size < 4) {
-        return -EINVAL;
-    }
-
-    if (U32_AT(ptr) != 0) {
-        return -EINVAL;
-    }
-
-    ptr += 4;
-    size -=4;
-
-    ESDS esds(ptr, size);
-
-    uint8_t objectTypeIndication;
-    if (esds.getObjectTypeIndication(&objectTypeIndication) != OK) {
-        return ERROR_MALFORMED;
-    }
-
-    const uint8_t *csd;
-    size_t csd_size;
-    if (esds.getCodecSpecificInfo(
-                (const void **)&csd, &csd_size) != OK) {
-        return ERROR_MALFORMED;
-    }
-
-    addCodecSpecificData(sampleDesc->mFormat, 0, csd, csd_size);
-
-    if (sampleDesc->mType != FOURCC('m', 'p', '4', 'a')) {
-        return OK;
-    }
-
-    if (csd_size == 0) {
-        // There's no further information, i.e. no codec specific data
-        // Let's assume that the information provided in the mpeg4 headers
-        // is accurate and hope for the best.
-
-        return OK;
-    }
-
-    if (csd_size < 2) {
-        return ERROR_MALFORMED;
-    }
-
-    uint32_t objectType = csd[0] >> 3;
-
-    if (objectType == 31) {
-        return ERROR_UNSUPPORTED;
-    }
-
-    uint32_t freqIndex = (csd[0] & 7) << 1 | (csd[1] >> 7);
-    int32_t sampleRate = 0;
-    int32_t numChannels = 0;
-    if (freqIndex == 15) {
-        if (csd_size < 5) {
-            return ERROR_MALFORMED;
-        }
-
-        sampleRate = (csd[1] & 0x7f) << 17
-                        | csd[2] << 9
-                        | csd[3] << 1
-                        | (csd[4] >> 7);
-
-        numChannels = (csd[4] >> 3) & 15;
-    } else {
-        static uint32_t kSamplingRate[] = {
-            96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
-            16000, 12000, 11025, 8000, 7350
-        };
-
-        if (freqIndex == 13 || freqIndex == 14) {
-            return ERROR_MALFORMED;
-        }
-
-        sampleRate = kSamplingRate[freqIndex];
-        numChannels = (csd[1] >> 3) & 15;
-    }
-
-    if (numChannels == 0) {
-        return ERROR_UNSUPPORTED;
-    }
-
-    sampleDesc->mFormat->setInt32("sample-rate", sampleRate);
-    sampleDesc->mFormat->setInt32("channel-count", numChannels);
-
-    return OK;
-}
-
-status_t FragmentedMP4Parser::parseMediaData(
-        uint32_t /* type */, size_t offset, uint64_t size) {
-    ALOGV("skipping 'mdat' chunk at offsets 0x%08lx-0x%08llx.",
-          mBufferPos + offset, mBufferPos + size);
-
-    sp<ABuffer> buffer = new ABuffer(size - offset);
-    memcpy(buffer->data(), mBuffer->data() + offset, size - offset);
-
-    mMediaData.push();
-    MediaDataInfo *info = &mMediaData.editItemAt(mMediaData.size() - 1);
-    info->mBuffer = buffer;
-    info->mOffset = mBufferPos + offset;
-
-    if (mMediaData.size() > 10) {
-        ALOGV("suspending for now.");
-        mSuspended = true;
-    }
-
-    return OK;
-}
-
-status_t FragmentedMP4Parser::parseSegmentIndex(
-        uint32_t type, size_t offset, uint64_t size) {
-    UNUSED_UNLESS_VERBOSE(type);
-    ALOGV("sidx box type %d, offset %d, size %d", type, int(offset), int(size));
-//    AString sidxstr;
-//    hexdump(mBuffer->data() + offset, size, 0 /* indent */, &sidxstr);
-//    ALOGV("raw sidx:");
-//    ALOGV("%s", sidxstr.c_str());
-    if (offset + 12 > size) {
-        return -EINVAL;
-    }
-
-    uint32_t flags = readU32(offset);
-
-    uint32_t version = flags >> 24;
-    flags &= 0xffffff;
-
-    ALOGV("sidx version %d", version);
-
-    uint32_t referenceId = readU32(offset + 4);
-    uint32_t timeScale = readU32(offset + 8);
-    ALOGV("sidx refid/timescale: %d/%d", referenceId, timeScale);
-
-    uint64_t earliestPresentationTime;
-    uint64_t firstOffset;
-
-    offset += 12;
-
-    if (version == 0) {
-        if (offset + 8 > size) {
-            return -EINVAL;
-        }
-        earliestPresentationTime = readU32(offset);
-        firstOffset = readU32(offset + 4);
-        offset += 8;
-    } else {
-        if (offset + 16 > size) {
-            return -EINVAL;
-        }
-        earliestPresentationTime = readU64(offset);
-        firstOffset = readU64(offset + 8);
-        offset += 16;
-    }
-    ALOGV("sidx pres/off: %Ld/%Ld", earliestPresentationTime, firstOffset);
-
-    if (offset + 4 > size) {
-        return -EINVAL;
-    }
-    if (readU16(offset) != 0) { // reserved
-        return -EINVAL;
-    }
-    int32_t referenceCount = readU16(offset + 2);
-    offset += 4;
-    ALOGV("refcount: %d", referenceCount);
-
-    if (offset + referenceCount * 12 > size) {
-        return -EINVAL;
-    }
-
-    TrackInfo *info = editTrack(mCurrentTrackID);
-    uint64_t total_duration = 0;
-    for (int i = 0; i < referenceCount; i++) {
-        uint32_t d1 = readU32(offset);
-        uint32_t d2 = readU32(offset + 4);
-        uint32_t d3 = readU32(offset + 8);
-
-        if (d1 & 0x80000000) {
-            ALOGW("sub-sidx boxes not supported yet");
-        }
-        bool sap = d3 & 0x80000000;
-        bool saptype = d3 >> 28;
-        if (!sap || saptype > 2) {
-            ALOGW("not a stream access point, or unsupported type");
-        }
-        total_duration += d2;
-        offset += 12;
-        ALOGV(" item %d, %08x %08x %08x", i, d1, d2, d3);
-        SidxEntry se;
-        se.mSize = d1 & 0x7fffffff;
-        se.mDurationUs = 1000000LL * d2 / timeScale;
-        info->mSidx.add(se);
-    }
-
-    info->mSidxDuration = total_duration * 1000000 / timeScale;
-    ALOGV("duration: %lld", info->mSidxDuration);
-    return OK;
-}
-
-status_t FragmentedMP4Parser::parseTrackExtends(
-        uint32_t /* type */, size_t offset, uint64_t size) {
-    if (offset + 24 > size) {
-        return -EINVAL;
-    }
-
-    if (readU32(offset) != 0) {
-        return -EINVAL;
-    }
-
-    uint32_t trackID = readU32(offset + 4);
-
-    TrackInfo *info = editTrack(trackID, true /* createIfNecessary */);
-    info->mDefaultSampleDescriptionIndex = readU32(offset + 8);
-    info->mDefaultSampleDuration = readU32(offset + 12);
-    info->mDefaultSampleSize = readU32(offset + 16);
-    info->mDefaultSampleFlags = readU32(offset + 20);
-
-    return OK;
-}
-
-FragmentedMP4Parser::TrackInfo *FragmentedMP4Parser::editTrack(
-        uint32_t trackID, bool createIfNecessary) {
-    ssize_t i = mTracks.indexOfKey(trackID);
-
-    if (i >= 0) {
-        return &mTracks.editValueAt(i);
-    }
-
-    if (!createIfNecessary) {
-        return NULL;
-    }
-
-    TrackInfo info;
-    info.mTrackID = trackID;
-    info.mFlags = 0;
-    info.mDuration = 0xffffffff;
-    info.mSidxDuration = 0;
-    info.mMediaTimeScale = 0;
-    info.mMediaHandlerType = 0;
-    info.mDefaultSampleDescriptionIndex = 0;
-    info.mDefaultSampleDuration = 0;
-    info.mDefaultSampleSize = 0;
-    info.mDefaultSampleFlags = 0;
-
-    info.mDecodingTime = 0;
-
-    mTracks.add(trackID, info);
-    return &mTracks.editValueAt(mTracks.indexOfKey(trackID));
-}
-
-status_t FragmentedMP4Parser::parseTrackFragmentHeader(
-        uint32_t /* type */, size_t offset, uint64_t size) {
-    if (offset + 8 > size) {
-        return -EINVAL;
-    }
-
-    uint32_t flags = readU32(offset);
-
-    if (flags & 0xff000000) {
-        return -EINVAL;
-    }
-
-    mTrackFragmentHeaderInfo.mFlags = flags;
-
-    mTrackFragmentHeaderInfo.mTrackID = readU32(offset + 4);
-    offset += 8;
-
-    if (flags & TrackFragmentHeaderInfo::kBaseDataOffsetPresent) {
-        if (offset + 8 > size) {
-            return -EINVAL;
-        }
-
-        mTrackFragmentHeaderInfo.mBaseDataOffset = readU64(offset);
-        offset += 8;
-    }
-
-    if (flags & TrackFragmentHeaderInfo::kSampleDescriptionIndexPresent) {
-        if (offset + 4 > size) {
-            return -EINVAL;
-        }
-
-        mTrackFragmentHeaderInfo.mSampleDescriptionIndex = readU32(offset);
-        offset += 4;
-    }
-
-    if (flags & TrackFragmentHeaderInfo::kDefaultSampleDurationPresent) {
-        if (offset + 4 > size) {
-            return -EINVAL;
-        }
-
-        mTrackFragmentHeaderInfo.mDefaultSampleDuration = readU32(offset);
-        offset += 4;
-    }
-
-    if (flags & TrackFragmentHeaderInfo::kDefaultSampleSizePresent) {
-        if (offset + 4 > size) {
-            return -EINVAL;
-        }
-
-        mTrackFragmentHeaderInfo.mDefaultSampleSize = readU32(offset);
-        offset += 4;
-    }
-
-    if (flags & TrackFragmentHeaderInfo::kDefaultSampleFlagsPresent) {
-        if (offset + 4 > size) {
-            return -EINVAL;
-        }
-
-        mTrackFragmentHeaderInfo.mDefaultSampleFlags = readU32(offset);
-        offset += 4;
-    }
-
-    if (!(flags & TrackFragmentHeaderInfo::kBaseDataOffsetPresent)) {
-        // This should point to the position of the first byte of the
-        // enclosing 'moof' container for the first track and
-        // the end of the data of the preceding fragment for subsequent
-        // tracks.
-
-        CHECK_GE(mStack.size(), 2u);
-
-        mTrackFragmentHeaderInfo.mBaseDataOffset =
-            mStack.itemAt(mStack.size() - 2).mOffset;
-
-        // XXX TODO: This does not do the right thing for the 2nd and
-        // subsequent tracks yet.
-    }
-
-    mTrackFragmentHeaderInfo.mDataOffset =
-        mTrackFragmentHeaderInfo.mBaseDataOffset;
-
-    TrackInfo *trackInfo = editTrack(mTrackFragmentHeaderInfo.mTrackID);
-
-    if (trackInfo->mFragments.empty()
-            || (*trackInfo->mFragments.begin())->complete()) {
-        trackInfo->mFragments.push_back(new DynamicTrackFragment);
-    }
-
-    return OK;
-}
-
-status_t FragmentedMP4Parser::parseTrackFragmentRun(
-        uint32_t /* type */, size_t offset, uint64_t size) {
-    if (offset + 8 > size) {
-        return -EINVAL;
-    }
-
-    enum {
-        kDataOffsetPresent                  = 0x01,
-        kFirstSampleFlagsPresent            = 0x04,
-        kSampleDurationPresent              = 0x100,
-        kSampleSizePresent                  = 0x200,
-        kSampleFlagsPresent                 = 0x400,
-        kSampleCompositionTimeOffsetPresent = 0x800,
-    };
-
-    uint32_t flags = readU32(offset);
-
-    if (flags & 0xff000000) {
-        return -EINVAL;
-    }
-
-    if ((flags & kFirstSampleFlagsPresent) && (flags & kSampleFlagsPresent)) {
-        // These two shall not be used together.
-        return -EINVAL;
-    }
-
-    uint32_t sampleCount = readU32(offset + 4);
-    offset += 8;
-
-    uint64_t dataOffset = mTrackFragmentHeaderInfo.mDataOffset;
-
-    uint32_t firstSampleFlags = 0;
-
-    if (flags & kDataOffsetPresent) {
-        if (offset + 4 > size) {
-            return -EINVAL;
-        }
-
-        int32_t dataOffsetDelta = (int32_t)readU32(offset);
-
-        dataOffset = mTrackFragmentHeaderInfo.mBaseDataOffset + dataOffsetDelta;
-
-        offset += 4;
-    }
-
-    if (flags & kFirstSampleFlagsPresent) {
-        if (offset + 4 > size) {
-            return -EINVAL;
-        }
-
-        firstSampleFlags = readU32(offset);
-        offset += 4;
-    }
-
-    TrackInfo *info = editTrack(mTrackFragmentHeaderInfo.mTrackID);
-
-    if (info == NULL) {
-        return -EINVAL;
-    }
-
-    uint32_t sampleDuration = 0, sampleSize = 0, sampleFlags = 0,
-             sampleCtsOffset = 0;
-
-    size_t bytesPerSample = 0;
-    if (flags & kSampleDurationPresent) {
-        bytesPerSample += 4;
-    } else if (mTrackFragmentHeaderInfo.mFlags
-            & TrackFragmentHeaderInfo::kDefaultSampleDurationPresent) {
-        sampleDuration = mTrackFragmentHeaderInfo.mDefaultSampleDuration;
-    } else {
-        sampleDuration = info->mDefaultSampleDuration;
-    }
-
-    if (flags & kSampleSizePresent) {
-        bytesPerSample += 4;
-    } else if (mTrackFragmentHeaderInfo.mFlags
-            & TrackFragmentHeaderInfo::kDefaultSampleSizePresent) {
-        sampleSize = mTrackFragmentHeaderInfo.mDefaultSampleSize;
-    } else {
-        sampleSize = info->mDefaultSampleSize;
-    }
-
-    if (flags & kSampleFlagsPresent) {
-        bytesPerSample += 4;
-    } else if (mTrackFragmentHeaderInfo.mFlags
-            & TrackFragmentHeaderInfo::kDefaultSampleFlagsPresent) {
-        sampleFlags = mTrackFragmentHeaderInfo.mDefaultSampleFlags;
-    } else {
-        sampleFlags = info->mDefaultSampleFlags;
-    }
-
-    if (flags & kSampleCompositionTimeOffsetPresent) {
-        bytesPerSample += 4;
-    } else {
-        sampleCtsOffset = 0;
-    }
-
-    if (offset + sampleCount * bytesPerSample > size) {
-        return -EINVAL;
-    }
-
-    uint32_t sampleDescIndex =
-        (mTrackFragmentHeaderInfo.mFlags
-            & TrackFragmentHeaderInfo::kSampleDescriptionIndexPresent)
-            ? mTrackFragmentHeaderInfo.mSampleDescriptionIndex
-            : info->mDefaultSampleDescriptionIndex;
-
-    for (uint32_t i = 0; i < sampleCount; ++i) {
-        if (flags & kSampleDurationPresent) {
-            sampleDuration = readU32(offset);
-            offset += 4;
-        }
-
-        if (flags & kSampleSizePresent) {
-            sampleSize = readU32(offset);
-            offset += 4;
-        }
-
-        if (flags & kSampleFlagsPresent) {
-            sampleFlags = readU32(offset);
-            offset += 4;
-        }
-
-        if (flags & kSampleCompositionTimeOffsetPresent) {
-            sampleCtsOffset = readU32(offset);
-            offset += 4;
-        }
-
-        ALOGV("adding sample at offset 0x%08llx, size %u, duration %u, "
-              "sampleDescIndex=%u, flags 0x%08x",
-                dataOffset, sampleSize, sampleDuration,
-                sampleDescIndex,
-                (flags & kFirstSampleFlagsPresent) && i == 0
-                    ? firstSampleFlags : sampleFlags);
-
-        const sp<TrackFragment> &fragment = *--info->mFragments.end();
-
-        uint32_t decodingTime = info->mDecodingTime;
-        info->mDecodingTime += sampleDuration;
-        uint32_t presentationTime = decodingTime + sampleCtsOffset;
-
-        static_cast<DynamicTrackFragment *>(
-                fragment.get())->addSample(
-                    dataOffset,
-                    sampleSize,
-                    presentationTime,
-                    sampleDescIndex,
-                    ((flags & kFirstSampleFlagsPresent) && i == 0)
-                        ? firstSampleFlags : sampleFlags);
-
-        dataOffset += sampleSize;
-    }
-
-    mTrackFragmentHeaderInfo.mDataOffset = dataOffset;
-
-    return OK;
-}
-
-void FragmentedMP4Parser::copyBuffer(
-        sp<ABuffer> *dst, size_t offset, uint64_t size) const {
-    sp<ABuffer> buf = new ABuffer(size);
-    memcpy(buf->data(), mBuffer->data() + offset, size);
-
-    *dst = buf;
-}
-
-}  // namespace android
diff --git a/media/libstagefright/mp4/TrackFragment.cpp b/media/libstagefright/mp4/TrackFragment.cpp
deleted file mode 100644
index 3e0056d..0000000
--- a/media/libstagefright/mp4/TrackFragment.cpp
+++ /dev/null
@@ -1,379 +0,0 @@
-/*
- * Copyright (C) 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.
- */
-
-//#define LOG_NDEBUG 0
-#define LOG_TAG "TrackFragment"
-#include <utils/Log.h>
-
-#include "TrackFragment.h"
-
-#include <media/stagefright/MediaErrors.h>
-#include <media/stagefright/Utils.h>
-#include <media/stagefright/foundation/ABuffer.h>
-#include <media/stagefright/foundation/ADebug.h>
-#include <media/stagefright/foundation/hexdump.h>
-
-namespace android {
-
-FragmentedMP4Parser::DynamicTrackFragment::DynamicTrackFragment()
-    : mComplete(false),
-      mSampleIndex(0) {
-}
-
-FragmentedMP4Parser::DynamicTrackFragment::~DynamicTrackFragment() {
-}
-
-status_t FragmentedMP4Parser::DynamicTrackFragment::getSample(SampleInfo *info) {
-    if (mSampleIndex >= mSamples.size()) {
-        return mComplete ? ERROR_END_OF_STREAM : -EWOULDBLOCK;
-    }
-
-    *info = mSamples.itemAt(mSampleIndex);
-
-    return OK;
-}
-
-void FragmentedMP4Parser::DynamicTrackFragment::advance() {
-    ++mSampleIndex;
-}
-
-void FragmentedMP4Parser::DynamicTrackFragment::addSample(
-        off64_t dataOffset, size_t sampleSize,
-        uint32_t presentationTime,
-        size_t sampleDescIndex,
-        uint32_t flags) {
-    mSamples.push();
-    SampleInfo *sampleInfo = &mSamples.editItemAt(mSamples.size() - 1);
-
-    sampleInfo->mOffset = dataOffset;
-    sampleInfo->mSize = sampleSize;
-    sampleInfo->mPresentationTime = presentationTime;
-    sampleInfo->mSampleDescIndex = sampleDescIndex;
-    sampleInfo->mFlags = flags;
-}
-
-status_t FragmentedMP4Parser::DynamicTrackFragment::signalCompletion() {
-    mComplete = true;
-
-    return OK;
-}
-
-bool FragmentedMP4Parser::DynamicTrackFragment::complete() const {
-    return mComplete;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-
-FragmentedMP4Parser::StaticTrackFragment::StaticTrackFragment()
-    : mSampleIndex(0),
-      mSampleCount(0),
-      mChunkIndex(0),
-      mSampleToChunkIndex(-1),
-      mSampleToChunkRemaining(0),
-      mPrevChunkIndex(0xffffffff),
-      mNextSampleOffset(0) {
-}
-
-FragmentedMP4Parser::StaticTrackFragment::~StaticTrackFragment() {
-}
-
-status_t FragmentedMP4Parser::StaticTrackFragment::getSample(SampleInfo *info) {
-    if (mSampleIndex >= mSampleCount) {
-        return ERROR_END_OF_STREAM;
-    }
-
-    *info = mSampleInfo;
-
-    ALOGV("returning sample %d at [0x%08llx, 0x%08llx)",
-          mSampleIndex,
-          info->mOffset, info->mOffset + info->mSize);
-
-    return OK;
-}
-
-void FragmentedMP4Parser::StaticTrackFragment::updateSampleInfo() {
-    if (mSampleIndex >= mSampleCount) {
-        return;
-    }
-
-    if (mSampleSizes != NULL) {
-        uint32_t defaultSampleSize = U32_AT(mSampleSizes->data() + 4);
-        if (defaultSampleSize > 0) {
-            mSampleInfo.mSize = defaultSampleSize;
-        } else {
-            mSampleInfo.mSize= U32_AT(mSampleSizes->data() + 12 + 4 * mSampleIndex);
-        }
-    } else {
-        CHECK(mCompactSampleSizes != NULL);
-
-        uint32_t fieldSize = U32_AT(mCompactSampleSizes->data() + 4);
-
-        switch (fieldSize) {
-            case 4:
-            {
-                unsigned byte = mCompactSampleSizes->data()[12 + mSampleIndex / 2];
-                mSampleInfo.mSize = (mSampleIndex & 1) ? byte & 0x0f : byte >> 4;
-                break;
-            }
-
-            case 8:
-            {
-                mSampleInfo.mSize = mCompactSampleSizes->data()[12 + mSampleIndex];
-                break;
-            }
-
-            default:
-            {
-                CHECK_EQ(fieldSize, 16);
-                mSampleInfo.mSize =
-                    U16_AT(mCompactSampleSizes->data() + 12 + mSampleIndex * 2);
-                break;
-            }
-        }
-    }
-
-    CHECK_GT(mSampleToChunkRemaining, 0);
-
-    // The sample desc index is 1-based... XXX
-    mSampleInfo.mSampleDescIndex =
-        U32_AT(mSampleToChunk->data() + 8 + 12 * mSampleToChunkIndex + 8);
-
-    if (mChunkIndex != mPrevChunkIndex) {
-        mPrevChunkIndex = mChunkIndex;
-
-        if (mChunkOffsets != NULL) {
-            uint32_t entryCount = U32_AT(mChunkOffsets->data() + 4);
-
-            if (mChunkIndex >= entryCount) {
-                mSampleIndex = mSampleCount;
-                return;
-            }
-
-            mNextSampleOffset =
-                U32_AT(mChunkOffsets->data() + 8 + 4 * mChunkIndex);
-        } else {
-            CHECK(mChunkOffsets64 != NULL);
-
-            uint32_t entryCount = U32_AT(mChunkOffsets64->data() + 4);
-
-            if (mChunkIndex >= entryCount) {
-                mSampleIndex = mSampleCount;
-                return;
-            }
-
-            mNextSampleOffset =
-                U64_AT(mChunkOffsets64->data() + 8 + 8 * mChunkIndex);
-        }
-    }
-
-    mSampleInfo.mOffset = mNextSampleOffset;
-
-    mSampleInfo.mPresentationTime = 0;
-    mSampleInfo.mFlags = 0;
-}
-
-void FragmentedMP4Parser::StaticTrackFragment::advance() {
-    mNextSampleOffset += mSampleInfo.mSize;
-
-    ++mSampleIndex;
-    if (--mSampleToChunkRemaining == 0) {
-        ++mChunkIndex;
-
-        uint32_t entryCount = U32_AT(mSampleToChunk->data() + 4);
-
-        // If this is the last entry in the sample to chunk table, we will
-        // stay on this entry.
-        if ((uint32_t)(mSampleToChunkIndex + 1) < entryCount) {
-            uint32_t nextChunkIndex =
-                U32_AT(mSampleToChunk->data() + 8 + 12 * (mSampleToChunkIndex + 1));
-
-            CHECK_GE(nextChunkIndex, 1u);
-            --nextChunkIndex;
-
-            if (mChunkIndex >= nextChunkIndex) {
-                CHECK_EQ(mChunkIndex, nextChunkIndex);
-                ++mSampleToChunkIndex;
-            }
-        }
-
-        mSampleToChunkRemaining =
-            U32_AT(mSampleToChunk->data() + 8 + 12 * mSampleToChunkIndex + 4);
-    }
-
-    updateSampleInfo();
-}
-
-static void setU32At(uint8_t *ptr, uint32_t x) {
-    ptr[0] = x >> 24;
-    ptr[1] = (x >> 16) & 0xff;
-    ptr[2] = (x >> 8) & 0xff;
-    ptr[3] = x & 0xff;
-}
-
-status_t FragmentedMP4Parser::StaticTrackFragment::signalCompletion() {
-    mSampleToChunkIndex = 0;
-
-    mSampleToChunkRemaining =
-        (mSampleToChunk == NULL)
-            ? 0
-            : U32_AT(mSampleToChunk->data() + 8 + 12 * mSampleToChunkIndex + 4);
-
-    updateSampleInfo();
-
-    return OK;
-}
-
-bool FragmentedMP4Parser::StaticTrackFragment::complete() const {
-    return true;
-}
-
-status_t FragmentedMP4Parser::StaticTrackFragment::parseSampleSizes(
-        FragmentedMP4Parser *parser,
-        uint32_t /* type */,
-        size_t offset,
-        uint64_t size) {
-    if (offset + 12 > size) {
-        return ERROR_MALFORMED;
-    }
-
-    if (parser->readU32(offset) != 0) {
-        return ERROR_MALFORMED;
-    }
-
-    uint32_t sampleSize = parser->readU32(offset + 4);
-    uint32_t sampleCount = parser->readU32(offset + 8);
-
-    if (sampleSize == 0 && offset + 12 + sampleCount * 4 != size) {
-        return ERROR_MALFORMED;
-    }
-
-    parser->copyBuffer(&mSampleSizes, offset, size);
-
-    mSampleCount = sampleCount;
-
-    return OK;
-}
-
-status_t FragmentedMP4Parser::StaticTrackFragment::parseCompactSampleSizes(
-        FragmentedMP4Parser *parser,
-        uint32_t /* type */,
-        size_t offset,
-        uint64_t size) {
-    if (offset + 12 > size) {
-        return ERROR_MALFORMED;
-    }
-
-    if (parser->readU32(offset) != 0) {
-        return ERROR_MALFORMED;
-    }
-
-    uint32_t fieldSize = parser->readU32(offset + 4);
-
-    if (fieldSize != 4 && fieldSize != 8 && fieldSize != 16) {
-        return ERROR_MALFORMED;
-    }
-
-    uint32_t sampleCount = parser->readU32(offset + 8);
-
-    if (offset + 12 + (sampleCount * fieldSize + 4) / 8 != size) {
-        return ERROR_MALFORMED;
-    }
-
-    parser->copyBuffer(&mCompactSampleSizes, offset, size);
-
-    mSampleCount = sampleCount;
-
-    return OK;
-}
-
-status_t FragmentedMP4Parser::StaticTrackFragment::parseSampleToChunk(
-        FragmentedMP4Parser *parser,
-        uint32_t /* type */,
-        size_t offset,
-        uint64_t size) {
-    if (offset + 8 > size) {
-        return ERROR_MALFORMED;
-    }
-
-    if (parser->readU32(offset) != 0) {
-        return ERROR_MALFORMED;
-    }
-
-    uint32_t entryCount = parser->readU32(offset + 4);
-
-    if (entryCount == 0) {
-        return OK;
-    }
-
-    if (offset + 8 + entryCount * 12 != size) {
-        return ERROR_MALFORMED;
-    }
-
-    parser->copyBuffer(&mSampleToChunk, offset, size);
-
-    return OK;
-}
-
-status_t FragmentedMP4Parser::StaticTrackFragment::parseChunkOffsets(
-        FragmentedMP4Parser *parser,
-        uint32_t /* type */,
-        size_t offset,
-        uint64_t size) {
-    if (offset + 8 > size) {
-        return ERROR_MALFORMED;
-    }
-
-    if (parser->readU32(offset) != 0) {
-        return ERROR_MALFORMED;
-    }
-
-    uint32_t entryCount = parser->readU32(offset + 4);
-
-    if (offset + 8 + entryCount * 4 != size) {
-        return ERROR_MALFORMED;
-    }
-
-    parser->copyBuffer(&mChunkOffsets, offset, size);
-
-    return OK;
-}
-
-status_t FragmentedMP4Parser::StaticTrackFragment::parseChunkOffsets64(
-        FragmentedMP4Parser *parser,
-        uint32_t /* type */,
-        size_t offset,
-        uint64_t size) {
-    if (offset + 8 > size) {
-        return ERROR_MALFORMED;
-    }
-
-    if (parser->readU32(offset) != 0) {
-        return ERROR_MALFORMED;
-    }
-
-    uint32_t entryCount = parser->readU32(offset + 4);
-
-    if (offset + 8 + entryCount * 8 != size) {
-        return ERROR_MALFORMED;
-    }
-
-    parser->copyBuffer(&mChunkOffsets64, offset, size);
-
-    return OK;
-}
-
-}  // namespace android
-
diff --git a/media/libstagefright/mp4/TrackFragment.h b/media/libstagefright/mp4/TrackFragment.h
deleted file mode 100644
index e1ad46e..0000000
--- a/media/libstagefright/mp4/TrackFragment.h
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Copyright (C) 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 TRACK_FRAGMENT_H_
-
-#define TRACK_FRAGMENT_H_
-
-#include "include/FragmentedMP4Parser.h"
-
-namespace android {
-
-struct FragmentedMP4Parser::TrackFragment : public RefBase {
-    TrackFragment() {}
-
-    virtual status_t getSample(SampleInfo *info) = 0;
-    virtual void advance() = 0;
-
-    virtual status_t signalCompletion() = 0;
-    virtual bool complete() const = 0;
-
-protected:
-    virtual ~TrackFragment() {}
-
-private:
-    DISALLOW_EVIL_CONSTRUCTORS(TrackFragment);
-};
-
-struct FragmentedMP4Parser::DynamicTrackFragment : public FragmentedMP4Parser::TrackFragment {
-    DynamicTrackFragment();
-
-    virtual status_t getSample(SampleInfo *info);
-    virtual void advance();
-
-    void addSample(
-            off64_t dataOffset, size_t sampleSize,
-            uint32_t presentationTime,
-            size_t sampleDescIndex,
-            uint32_t flags);
-
-    // No more samples will be added to this fragment.
-    virtual status_t signalCompletion();
-
-    virtual bool complete() const;
-
-protected:
-    virtual ~DynamicTrackFragment();
-
-private:
-    bool mComplete;
-    size_t mSampleIndex;
-    Vector<SampleInfo> mSamples;
-
-    DISALLOW_EVIL_CONSTRUCTORS(DynamicTrackFragment);
-};
-
-struct FragmentedMP4Parser::StaticTrackFragment : public FragmentedMP4Parser::TrackFragment {
-    StaticTrackFragment();
-
-    virtual status_t getSample(SampleInfo *info);
-    virtual void advance();
-
-    virtual status_t signalCompletion();
-    virtual bool complete() const;
-
-    status_t parseSampleSizes(
-            FragmentedMP4Parser *parser, uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseCompactSampleSizes(
-            FragmentedMP4Parser *parser, uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseSampleToChunk(
-            FragmentedMP4Parser *parser, uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseChunkOffsets(
-            FragmentedMP4Parser *parser, uint32_t type, size_t offset, uint64_t size);
-
-    status_t parseChunkOffsets64(
-            FragmentedMP4Parser *parser, uint32_t type, size_t offset, uint64_t size);
-
-protected:
-    virtual ~StaticTrackFragment();
-
-private:
-    size_t mSampleIndex;
-    size_t mSampleCount;
-    uint32_t mChunkIndex;
-
-    SampleInfo mSampleInfo;
-
-    sp<ABuffer> mSampleSizes;
-    sp<ABuffer> mCompactSampleSizes;
-
-    sp<ABuffer> mSampleToChunk;
-    ssize_t mSampleToChunkIndex;
-    size_t mSampleToChunkRemaining;
-
-    sp<ABuffer> mChunkOffsets;
-    sp<ABuffer> mChunkOffsets64;
-    uint32_t mPrevChunkIndex;
-    uint64_t mNextSampleOffset;
-
-    void updateSampleInfo();
-
-    DISALLOW_EVIL_CONSTRUCTORS(StaticTrackFragment);
-};
-
-}  // namespace android
-
-#endif  // TRACK_FRAGMENT_H_