| /* INTEL CONFIDENTIAL |
| * Copyright (c) 2009 Intel Corporation. All rights reserved. |
| * |
| * The source code contained or described herein and all documents |
| * related to the source code ("Material") are owned by Intel |
| * Corporation or its suppliers or licensors. Title to the |
| * Material remains with Intel Corporation or its suppliers and |
| * licensors. The Material contains trade secrets and proprietary |
| * and confidential information of Intel or its suppliers and |
| * licensors. The Material is protected by worldwide copyright and |
| * trade secret laws and treaty provisions. No part of the Material |
| * may be used, copied, reproduced, modified, published, uploaded, |
| * posted, transmitted, distributed, or disclosed in any way without |
| * Intel's prior express written permission. |
| * |
| * No license under any patent, copyright, trade secret or other |
| * intellectual property right is granted to or conferred upon you |
| * by disclosure or delivery of the Materials, either expressly, by |
| * implication, inducement, estoppel or otherwise. Any license |
| * under such intellectual property rights must be express and |
| * approved by Intel in writing. |
| * |
| */ |
| |
| |
| |
| #ifndef ASF_STREAM_PARSER_H_ |
| #define ASF_STREAM_PARSER_H_ |
| |
| #include "AsfParserDefs.h" |
| |
| class AsfStreamParser { |
| public: |
| AsfStreamParser(void); |
| ~AsfStreamParser(void); |
| |
| public: |
| static bool isSimpleIndexObject(uint8_t *guid); |
| static bool isHeaderObject(uint8_t *guid); |
| |
| // buffer must contain a complete header object |
| int parseHeaderObject(uint8_t *buffer, uint64_t size); |
| AsfAudioStreamInfo* getAudioInfo() const; |
| AsfVideoStreamInfo* getVideoInfo() const; |
| AsfFileMediaInfo* getFileInfo() const; |
| int getDrmUuid(uint8_t playreadyUuid[], uint16_t len); |
| int getDrmHeaderXml(uint8_t* playreadyHeader, uint32_t* playreadyHeaderLen); |
| |
| // return duration in 100-nanosecond unit , readable when header object is parsed |
| uint64_t getDuration(); |
| // return data packet size, readable when header object is parsed |
| uint32_t getDataPacketSize(); |
| bool hasVideo(); |
| bool hasAudio(); |
| // buffer must contain a complete data object header |
| int parseDataObjectHeader(uint8_t *buffer, uint32_t size); |
| // buffer must contain a complete data packet and only a packet |
| int parseDataPacket(uint8_t *buffer, uint32_t size, AsfPayloadDataInfo **out); |
| |
| // caller must release AsfPayloadDataInfo using this method |
| void releasePayloadDataInfo(AsfPayloadDataInfo *info); |
| |
| // buffer must contain a complete simple index object |
| int parseSimpleIndexObject(uint8_t *buffer, uint32_t size); |
| |
| AsfSimpleIndexInfo* getIndexInfo() const; |
| |
| // seek to the closest previous or next sync packet. time stamp is in 100-nanosecond units |
| int seek(uint64_t seekTime, bool nextSync, uint32_t& packetNumber, uint64_t& targetTime); |
| |
| // return maximum video object size, readable when simple index object is parsed. |
| // If simple index object is not parsed or is not available, 0 is returned |
| uint32_t getMaxObjectSize(); |
| |
| private: |
| // fixed data packet size |
| uint32_t mDataPacketSize; |
| // offset of PTS in milliseconds (converted from original 100-nanoseconds unit) due to cut/edit. |
| // all stream properties must have same "Time Offset". |
| // If value is zero, it will be set to "Preroll" value in the File Properties object. |
| // Preroll value is used for data buffering. |
| uint32_t mTimeOffsetMs; |
| bool mHeaderParsed; |
| class AsfHeaderParser *mHeaderParser; |
| class AsfDataParser *mDataParser; |
| class AsfSimpleIndexParser *mSimpleIndexParser; |
| }; |
| |
| #endif |
| |