1 files changed, 122 insertions, 0 deletions
diff --git a/media/libstagefright/mp4/TrackFragment.h b/media/libstagefright/mp4/TrackFragment.h
new file mode 100644
index 0000000..e1ad46e
--- /dev/null
+++ b/media/libstagefright/mp4/TrackFragment.h
@@ -0,0 +1,122 @@
+/*
+ * 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_