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Diffstat (limited to 'media/libmediaplayerservice/nuplayer/NuPlayerCCDecoder.h')
-rw-r--r-- | media/libmediaplayerservice/nuplayer/NuPlayerCCDecoder.h | 59 |
1 files changed, 59 insertions, 0 deletions
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> ¬ify); + + 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_ |