commit 7137ec7e005a5a6e3c0edb91cfacf16a31f4bf6a
author Chong Zhang <chz@google.com> Wed Nov 12 16:41:05 2014 -0800
committer Chong Zhang <chz@google.com> Thu Nov 20 18:14:31 2014 -0800
tree df4513073e85173034aca859ff220d8908969636
parent f4ea51fda9396d7ee851b1d4d220384210ea2336

tunnel NuPlayer source and decoder input

Bug: 18342383

Change-Id: Ieff1cd3bad2b39d46f127ddd5d5139b919992461

media/libmediaplayerservice/nuplayer/NuPlayerCCDecoder.h

diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerCCDecoder.h b/media/libmediaplayerservice/nuplayer/NuPlayerCCDecoder.h
new file mode 100644
index 0000000..5e06f4e
--- /dev/null
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerCCDecoder.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2014 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 NUPLAYER_CCDECODER_H_
+
+#define NUPLAYER_CCDECODER_H_
+
+#include "NuPlayer.h"
+
+namespace android {
+
+struct NuPlayer::CCDecoder : public RefBase {
+    enum {
+        kWhatClosedCaptionData,
+        kWhatTrackAdded,
+    };
+
+    CCDecoder(const sp<AMessage> &notify);
+
+    size_t getTrackCount() const;
+    sp<AMessage> getTrackInfo(size_t index) const;
+    status_t selectTrack(size_t index, bool select);
+    bool isSelected() const;
+    void decode(const sp<ABuffer> &accessUnit);
+    void display(int64_t timeUs);
+    void flush();
+
+private:
+    sp<AMessage> mNotify;
+    KeyedVector<int64_t, sp<ABuffer> > mCCMap;
+    size_t mCurrentChannel;
+    int32_t mSelectedTrack;
+    int32_t mTrackIndices[4];
+    Vector<size_t> mFoundChannels;
+
+    bool isTrackValid(size_t index) const;
+    int32_t getTrackIndex(size_t channel) const;
+    bool extractFromSEI(const sp<ABuffer> &accessUnit);
+    sp<ABuffer> filterCCBuf(const sp<ABuffer> &ccBuf, size_t index);
+
+    DISALLOW_EVIL_CONSTRUCTORS(CCDecoder);
+};
+
+}  // namespace android
+
+#endif  // NUPLAYER_CCDECODER_H_