| /* |
| * Copyright (C) 2010 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 M3U_PARSER_H_ |
| |
| #define M3U_PARSER_H_ |
| |
| #include <media/stagefright/foundation/ABase.h> |
| #include <media/stagefright/foundation/AMessage.h> |
| #include <media/stagefright/foundation/AString.h> |
| #include <media/mediaplayer.h> |
| #include <utils/Vector.h> |
| |
| namespace android { |
| |
| struct M3UParser : public RefBase { |
| M3UParser(const char *baseURI, const void *data, size_t size); |
| |
| status_t initCheck() const; |
| |
| bool isExtM3U() const; |
| bool isVariantPlaylist() const; |
| bool isComplete() const; |
| bool isEvent() const; |
| size_t getDiscontinuitySeq() const; |
| int64_t getTargetDuration() const; |
| int32_t getFirstSeqNumber() const; |
| void getSeqNumberRange(int32_t *firstSeq, int32_t *lastSeq) const; |
| |
| sp<AMessage> meta(); |
| |
| size_t size(); |
| bool itemAt(size_t index, AString *uri, sp<AMessage> *meta = NULL); |
| |
| void pickRandomMediaItems(); |
| status_t selectTrack(size_t index, bool select); |
| size_t getTrackCount() const; |
| sp<AMessage> getTrackInfo(size_t index) const; |
| ssize_t getSelectedIndex() const; |
| ssize_t getSelectedTrack(media_track_type /* type */) const; |
| |
| bool getTypeURI(size_t index, const char *key, AString *uri) const; |
| bool hasType(size_t index, const char *key) const; |
| |
| protected: |
| virtual ~M3UParser(); |
| |
| private: |
| struct MediaGroup; |
| |
| struct Item { |
| AString mURI; |
| sp<AMessage> mMeta; |
| }; |
| |
| status_t mInitCheck; |
| |
| AString mBaseURI; |
| bool mIsExtM3U; |
| bool mIsVariantPlaylist; |
| bool mIsComplete; |
| bool mIsEvent; |
| int32_t mFirstSeqNumber; |
| int32_t mLastSeqNumber; |
| int64_t mTargetDurationUs; |
| size_t mDiscontinuitySeq; |
| int32_t mDiscontinuityCount; |
| |
| sp<AMessage> mMeta; |
| Vector<Item> mItems; |
| ssize_t mSelectedIndex; |
| |
| // Media groups keyed by group ID. |
| KeyedVector<AString, sp<MediaGroup> > mMediaGroups; |
| |
| status_t parse(const void *data, size_t size); |
| |
| static status_t parseMetaData( |
| const AString &line, sp<AMessage> *meta, const char *key); |
| |
| static status_t parseMetaDataDuration( |
| const AString &line, sp<AMessage> *meta, const char *key); |
| |
| status_t parseStreamInf( |
| const AString &line, sp<AMessage> *meta) const; |
| |
| static status_t parseCipherInfo( |
| const AString &line, sp<AMessage> *meta, const AString &baseURI); |
| |
| static status_t parseByteRange( |
| const AString &line, uint64_t curOffset, |
| uint64_t *length, uint64_t *offset); |
| |
| status_t parseMedia(const AString &line); |
| |
| static status_t parseDiscontinuitySequence(const AString &line, size_t *seq); |
| |
| static status_t ParseInt32(const char *s, int32_t *x); |
| static status_t ParseDouble(const char *s, double *x); |
| |
| static bool isQuotedString(const AString &str); |
| static AString unquoteString(const AString &str); |
| static bool codecIsType(const AString &codec, const char *type); |
| |
| DISALLOW_EVIL_CONSTRUCTORS(M3UParser); |
| }; |
| |
| } // namespace android |
| |
| #endif // M3U_PARSER_H_ |