M3UParser.h revision 89bf2525c5b57f17260de5b00c5f3f78ac4b881e
1e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber/* 2e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber * Copyright (C) 2010 The Android Open Source Project 3e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber * 4e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber * you may not use this file except in compliance with the License. 6e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber * You may obtain a copy of the License at 7e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber * 8e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber * 10e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber * Unless required by applicable law or agreed to in writing, software 11e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber * See the License for the specific language governing permissions and 14e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber * limitations under the License. 15e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber */ 16e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 17e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber#ifndef M3U_PARSER_H_ 18e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 19e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber#define M3U_PARSER_H_ 20e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 21e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber#include <media/stagefright/foundation/ABase.h> 22e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber#include <media/stagefright/foundation/AMessage.h> 23e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber#include <media/stagefright/foundation/AString.h> 2489bf2525c5b57f17260de5b00c5f3f78ac4b881eRobert Shih#include <media/mediaplayer.h> 25e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber#include <utils/Vector.h> 26e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 27e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Hubernamespace android { 28e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 29e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huberstruct M3UParser : public RefBase { 30e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber M3UParser(const char *baseURI, const void *data, size_t size); 31e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 32e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber status_t initCheck() const; 33e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 34e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber bool isExtM3U() const; 35e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber bool isVariantPlaylist() const; 36bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber bool isComplete() const; 37b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber bool isEvent() const; 38309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih size_t getDiscontinuitySeq() const; 39e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 40e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber sp<AMessage> meta(); 41e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 42e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber size_t size(); 43e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber bool itemAt(size_t index, AString *uri, sp<AMessage> *meta = NULL); 44e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 4514f7672b5d450ed26a06fd3bb3ce045ea78b11b2Andreas Huber void pickRandomMediaItems(); 46dcb89b3b505522efde173c105a851c412f947178Chong Zhang status_t selectTrack(size_t index, bool select); 47404fced9bfa8fa423ee210a271ca051ffd1bec13Chong Zhang size_t getTrackCount() const; 48404fced9bfa8fa423ee210a271ca051ffd1bec13Chong Zhang sp<AMessage> getTrackInfo(size_t index) const; 49dcb89b3b505522efde173c105a851c412f947178Chong Zhang ssize_t getSelectedIndex() const; 5089bf2525c5b57f17260de5b00c5f3f78ac4b881eRobert Shih ssize_t getSelectedTrack(media_track_type /* type */) const; 5114f7672b5d450ed26a06fd3bb3ce045ea78b11b2Andreas Huber 528ca002eedc747dd854b61cbe364b52c06869273fRobert Shih bool getTypeURI(size_t index, const char *key, AString *uri) const; 5314f7672b5d450ed26a06fd3bb3ce045ea78b11b2Andreas Huber 54e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huberprotected: 55e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber virtual ~M3UParser(); 56e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 57e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huberprivate: 5814f7672b5d450ed26a06fd3bb3ce045ea78b11b2Andreas Huber struct MediaGroup; 5914f7672b5d450ed26a06fd3bb3ce045ea78b11b2Andreas Huber 60e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber struct Item { 61e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber AString mURI; 62e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber sp<AMessage> mMeta; 63e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber }; 64e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 65e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber status_t mInitCheck; 66e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 67e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber AString mBaseURI; 68e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber bool mIsExtM3U; 69e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber bool mIsVariantPlaylist; 70bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber bool mIsComplete; 71b7c8e91880463ff4981e3e53e98e45d68e2fe374Andreas Huber bool mIsEvent; 72309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih size_t mDiscontinuitySeq; 73e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 74e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber sp<AMessage> mMeta; 75e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber Vector<Item> mItems; 76dcb89b3b505522efde173c105a851c412f947178Chong Zhang ssize_t mSelectedIndex; 77e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 7814f7672b5d450ed26a06fd3bb3ce045ea78b11b2Andreas Huber // Media groups keyed by group ID. 7914f7672b5d450ed26a06fd3bb3ce045ea78b11b2Andreas Huber KeyedVector<AString, sp<MediaGroup> > mMediaGroups; 8014f7672b5d450ed26a06fd3bb3ce045ea78b11b2Andreas Huber 81e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber status_t parse(const void *data, size_t size); 82e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 83e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber static status_t parseMetaData( 84e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber const AString &line, sp<AMessage> *meta, const char *key); 85e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 869067e30b3ccb3a07e41b61af22c036378053a9a3Andreas Huber static status_t parseMetaDataDuration( 879067e30b3ccb3a07e41b61af22c036378053a9a3Andreas Huber const AString &line, sp<AMessage> *meta, const char *key); 889067e30b3ccb3a07e41b61af22c036378053a9a3Andreas Huber 8914f7672b5d450ed26a06fd3bb3ce045ea78b11b2Andreas Huber status_t parseStreamInf( 9014f7672b5d450ed26a06fd3bb3ce045ea78b11b2Andreas Huber const AString &line, sp<AMessage> *meta) const; 912a4d22d79e927f2245537921e10fc5fda1c47a29Andreas Huber 92e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber static status_t parseCipherInfo( 93decd96988e495133e4a1728f612d4c9fdb4d218eAndreas Huber const AString &line, sp<AMessage> *meta, const AString &baseURI); 94e332a9181cf6a3155ed1a0fd2afc212ccb1f2753Andreas Huber 952aa4cc04154d82f6658fb86f394f13bb488b0468Andreas Huber static status_t parseByteRange( 962aa4cc04154d82f6658fb86f394f13bb488b0468Andreas Huber const AString &line, uint64_t curOffset, 972aa4cc04154d82f6658fb86f394f13bb488b0468Andreas Huber uint64_t *length, uint64_t *offset); 982aa4cc04154d82f6658fb86f394f13bb488b0468Andreas Huber 9914f7672b5d450ed26a06fd3bb3ce045ea78b11b2Andreas Huber status_t parseMedia(const AString &line); 10014f7672b5d450ed26a06fd3bb3ce045ea78b11b2Andreas Huber 101309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih static status_t parseDiscontinuitySequence(const AString &line, size_t *seq); 102309aa8bf5e4cd66fe988adf2654cac3fadc2a1c3Robert Shih 103e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber static status_t ParseInt32(const char *s, int32_t *x); 1049067e30b3ccb3a07e41b61af22c036378053a9a3Andreas Huber static status_t ParseDouble(const char *s, double *x); 105e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 106ef8adf8ce4ece039a839f42a22b436d8ae077f37Robert Shih static bool isQuotedString(const AString &str); 107ef8adf8ce4ece039a839f42a22b436d8ae077f37Robert Shih static AString unquoteString(const AString &str); 108ef8adf8ce4ece039a839f42a22b436d8ae077f37Robert Shih static bool codecIsType(const AString &codec, const char *type); 109ef8adf8ce4ece039a839f42a22b436d8ae077f37Robert Shih 110e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(M3UParser); 111e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber}; 112e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 113e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber} // namespace android 114e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber 115e71d10e7ad55ccbcb0756c007caef1c959090384Andreas Huber#endif // M3U_PARSER_H_ 116