STORAGE/PLAYBACK METHOD AND APPARATUS FOR MPEG-2 TRANSPORT STREAM BASED ON ISO BASE MEDIA FILE FORMAT
First Claim
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1. A method for storing a Moving Picture Expert Group (MPEG)-2 Transport Stream (TS) in an International Organization for Standardization (ISO) based media file format, comprising:
- storing a target MPEG-2 TS in an mdat box of the ISO-based media file format;
dividing the MPEG-2 TS by samples through time information, location information, size information, and Program Map Table (PMT) related information for random access and describing the divided samples in an moov box of the ISO-based media file format.
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Abstract
Provided are a method and apparatus for storing and playing back an MPEG-2 TS based on an ISO-based media file format. The method includes: storing a target MPEG-2 TS in an mdat box of the ISO-based media file format; and dividing the MPEG-2 TS by samples through time information, location information, size information, and Program Map Table (PMT) related information for random access and describing the divided samples in an moov box of the ISO based media file format.
49 Citations
23 Claims
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1. A method for storing a Moving Picture Expert Group (MPEG)-2 Transport Stream (TS) in an International Organization for Standardization (ISO) based media file format, comprising:
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storing a target MPEG-2 TS in an mdat box of the ISO-based media file format; dividing the MPEG-2 TS by samples through time information, location information, size information, and Program Map Table (PMT) related information for random access and describing the divided samples in an moov box of the ISO-based media file format. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13)
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12. The method of claim 12, wherein if a payload of the MPEG-2 TS includes an MPEG-4 SL packet, time information described in the moov box is generated using decoding time and composition time of the MPEG-4 SL packet header.
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14. An apparatus for storing a Moving Picture Expert Group (MPEG)-2 transport stream in an International Organization for Standardization (ISO) based media file formation, comprising:
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a signal receiver for receiving an external signal and outputting an MPEG-2 transport stream (TS); a signal processor for extracting time information, location information, size information, and Program Map Table (PMT) related information by a sample unit from the MPEG-2 TS outputted from the signal receiver; and a file memory for storing the MPEG-2 TS from the signal receiver in an mdat box of the ISO-based media file format as a sample for random access, and describing the extracted time information, location information, size information, and PMT related information in an moov box of the ISO-based media file format. - View Dependent Claims (15, 16, 17, 18)
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19. A Digital Multimedia Broadcasting (DMB) terminal, comprising:
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a signal receiver for receiving a DMB signal and outputting an MPEG-2 transport stream (TS); a file memory for storing the MPEG-2 TS in an International Organization for Standardization (ISO) based media file format where the MPEG-2 TS is stored in an mdat box of the ISO-based media file format as a sample, and time information, location information, size information, and Program Map Table (PMT) related information of the MPEG-2 TS are stored by a sample unit in an moov box of the ISO-based media file formation; an MPEG-2 TS demultiplexer for analyzing PMT in the received MPEG-2 TS; an OD analyzer for extracting or analyzing OD information from the analyzed information; an MPEG-2 PES depacketizer and an MPEG-4 SL depacketizer for analyzing a packet through the analyzed or extracted PMT/OD information; an AV decoder for decoding the generated AV stream; and an AV output unit for outputting the decoded AV stream, wherein radon access playback for an MPEG-2 transport stream stored in the mdat box is controlled using information described in the moov box. - View Dependent Claims (20)
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21. A method for storing a Digital Multimedia Broadcasting (DMB) MPEG-2 Transport Stream (TS) in an International Organization of Standard (ISO) based media file format, comprising:
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storing a target MPEG-2 TS to store in an mdat box of the ISO-based media file format; and describing time information, location information, Program Map Table (PMT) related information, and Object Descriptor (OD) information in an moov box of the ISO-based media file format by a sample unit for randomly accessing the target MPEG-2 TS, where a boundary of the sample is identical to a boundary of the MPEG-2 TS. - View Dependent Claims (22)
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23. An apparatus for storing a Digital Multimedia Broadcasting (DMB) MPEG-2 Transport Stream (TS) in an International Organization for Standardization (ISO) based media file format, comprising:
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a signal receiver for receiving an external signal and outputting an MPEG-2 TS; a signal processor for extracting Program Map Table (PMT) related information and Object Descriptor (OD) related information from the MPEG-2 TS outputted from the signal receiver; and a file memory for storing the outputted MPEG-2 TS from the signal receiver in an mdat box of the ISO-based media file format as a sample for random access, and describing time information, location information, Program Map Table (PMT) related information, and Object Descriptor (OD) related information of the extracted MPEG-2 TS from the signal processor in an moov box of the ISO-based media file format by a sample unit.
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Specification