| /* |
| * The contents of this file are subject to the Mozilla Public |
| * License Version 1.1 (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.mozilla.org/MPL/ |
| * |
| * Software distributed under the License is distributed on an "AS |
| * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or |
| * implied. See the License for the specific language governing |
| * rights and limitations under the License. |
| * |
| * The Original Code is MPEG4IP. |
| * |
| * The Initial Developer of the Original Code is Cisco Systems Inc. |
| * Portions created by Cisco Systems Inc. are |
| * Copyright (C) Cisco Systems Inc. 2004. All Rights Reserved. |
| * |
| * Contributor(s): |
| * Bill May (from others work). |
| */ |
| |
| #include "src/impl.h" |
| |
| namespace mp4v2 { namespace impl { |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| MP4StandardAtom::MP4StandardAtom (const char *type) : MP4Atom(type) |
| { |
| /* |
| * This is a big if else loop. Make sure that you don't break it |
| * when adding new atoms, or you will set the unknown type flag |
| * |
| * Try to keep it in alphabetical order - it should only be called |
| * 1 time per atom, so it's not that urgent. |
| */ |
| if (ATOMID(type) == ATOMID("bitr")) { |
| AddProperty( /* 0 */ |
| new MP4Integer32Property("avgBitrate")); |
| |
| AddProperty( /* 1 */ |
| new MP4Integer32Property("maxBitrate")); |
| |
| } else if (ATOMID(type) == ATOMID("btrt")) { |
| AddProperty( new MP4Integer32Property("bufferSizeDB")); /* 0 */ |
| AddProperty( new MP4Integer32Property("avgBitrate")); /* 1 */ |
| AddProperty( new MP4Integer32Property("maxBitrate")); /* 2 */ |
| } else if (ATOMID(type) == ATOMID("burl")) { |
| AddProperty( new MP4StringProperty("base_url")); |
| /* |
| * c??? |
| */ |
| } else if (ATOMID(type) == ATOMID("co64")) { |
| AddVersionAndFlags(); |
| |
| MP4Integer32Property* pCount = |
| new MP4Integer32Property("entryCount"); |
| AddProperty(pCount); |
| |
| MP4TableProperty* pTable = new MP4TableProperty("entries", pCount); |
| AddProperty(pTable); |
| |
| pTable->AddProperty( |
| new MP4Integer64Property("chunkOffset")); |
| } else if (ATOMID(type) == ATOMID("ctts")) { |
| AddVersionAndFlags(); |
| |
| MP4Integer32Property* pCount = |
| new MP4Integer32Property("entryCount"); |
| AddProperty(pCount); |
| |
| MP4TableProperty* pTable = new MP4TableProperty("entries", pCount); |
| AddProperty(pTable); |
| |
| pTable->AddProperty(new MP4Integer32Property("sampleCount")); |
| pTable->AddProperty(new MP4Integer32Property("sampleOffset")); |
| /* |
| * d??? |
| */ |
| } else if (ATOMID(type) == ATOMID("dinf")) { |
| ExpectChildAtom("dref", Required, OnlyOne); |
| |
| } else if (ATOMID(type) == ATOMID("dimm")) { |
| AddProperty( // bytes of immediate data |
| new MP4Integer64Property("bytes")); |
| |
| } else if (ATOMID(type) == ATOMID("dmax")) { |
| AddProperty( // max packet duration |
| new MP4Integer32Property("milliSecs")); |
| |
| } else if (ATOMID(type) == ATOMID("dmed")) { |
| AddProperty( // bytes sent from media data |
| new MP4Integer64Property("bytes")); |
| |
| } else if (ATOMID(type) == ATOMID("drep")) { |
| AddProperty( // bytes of repeated data |
| new MP4Integer64Property("bytes")); |
| /* |
| * e??? |
| */ |
| } else if (ATOMID(type) == ATOMID("edts")) { |
| ExpectChildAtom("elst", Required, OnlyOne); |
| |
| } else if (ATOMID(type) == ATOMID("esds")) { |
| AddVersionAndFlags(); |
| AddProperty( |
| new MP4DescriptorProperty(NULL, MP4ESDescrTag, 0, |
| Required, OnlyOne)); |
| /* |
| * f??? |
| */ |
| } else if (ATOMID(type) == ATOMID("frma")) { |
| AddProperty( /* 0 */ |
| new MP4Integer32Property("data-format")); |
| /* |
| * g??? |
| */ |
| } else if (ATOMID(type) == ATOMID("gmhd")) { |
| ExpectChildAtom("gmin", Required, OnlyOne); |
| ExpectChildAtom("tmcd", Optional, OnlyOne); |
| ExpectChildAtom("text", Optional, OnlyOne); |
| } else if (ATOMID(type) == ATOMID("hmhd")) { |
| AddVersionAndFlags(); |
| |
| AddProperty(new MP4Integer16Property("maxPduSize")); |
| AddProperty(new MP4Integer16Property("avgPduSize")); |
| AddProperty(new MP4Integer32Property("maxBitRate")); |
| AddProperty(new MP4Integer32Property("avgBitRate")); |
| AddProperty(new MP4Integer32Property("slidingAvgBitRate")); |
| /* |
| * i??? |
| */ |
| } else if (ATOMID(type) == ATOMID("iKMS")) { |
| AddVersionAndFlags(); /* 0, 1 */ |
| MP4StringProperty* pProp = new MP4StringProperty("kms_URI"); |
| AddProperty(pProp); /* 2 */ |
| |
| } else if (ATOMID(type) == ATOMID("iSFM")) { |
| AddVersionAndFlags(); /* 0, 1 */ |
| AddProperty( /* 2 */ |
| new MP4BitfieldProperty("selective-encryption", 1)); |
| AddProperty( /* 3 */ |
| new MP4BitfieldProperty("reserved", 7)); |
| AddProperty( /* 4 */ |
| new MP4Integer8Property("key-indicator-length")); |
| AddProperty( /* 5 */ |
| new MP4Integer8Property("IV-length")); |
| |
| } else if (ATOMID(type) == ATOMID("ilst")) { |
| ExpectChildAtom("\251nam", Optional, OnlyOne); /* name */ |
| ExpectChildAtom("\251ART", Optional, OnlyOne); /* artist */ |
| ExpectChildAtom("\251wrt", Optional, OnlyOne); /* writer */ |
| ExpectChildAtom("\251alb", Optional, OnlyOne); /* album */ |
| ExpectChildAtom("\251day", Optional, OnlyOne); /* date */ |
| ExpectChildAtom("\251too", Optional, OnlyOne); /* tool */ |
| ExpectChildAtom("\251cmt", Optional, OnlyOne); /* comment */ |
| ExpectChildAtom("\251gen", Optional, OnlyOne); /* custom genre */ |
| ExpectChildAtom("trkn", Optional, OnlyOne); /* tracknumber */ |
| ExpectChildAtom("disk", Optional, OnlyOne); /* disknumber */ |
| ExpectChildAtom("gnre", Optional, OnlyOne); /* genre (ID3v1 index + 1) */ |
| ExpectChildAtom("cpil", Optional, OnlyOne); /* compilation */ |
| ExpectChildAtom("tmpo", Optional, OnlyOne); /* BPM */ |
| ExpectChildAtom("covr", Optional, OnlyOne); /* cover art */ |
| ExpectChildAtom("aART", Optional, OnlyOne); /* album artist */ |
| ExpectChildAtom("----", Optional, Many); /* ---- free form */ |
| ExpectChildAtom("pgap", Optional, OnlyOne); /* part of gapless album */ |
| ExpectChildAtom("tvsh", Optional, OnlyOne); /* TV show */ |
| ExpectChildAtom("tvsn", Optional, OnlyOne); /* TV season */ |
| ExpectChildAtom("tven", Optional, OnlyOne); /* TV episode number */ |
| ExpectChildAtom("tvnn", Optional, OnlyOne); /* TV network name */ |
| ExpectChildAtom("tves", Optional, OnlyOne); /* TV epsidoe */ |
| ExpectChildAtom("desc", Optional, OnlyOne); /* description */ |
| ExpectChildAtom("ldes", Optional, OnlyOne); /* long description */ |
| ExpectChildAtom("soal", Optional, OnlyOne); /* sort album */ |
| ExpectChildAtom("soar", Optional, OnlyOne); /* sort artist */ |
| ExpectChildAtom("soaa", Optional, OnlyOne); /* sort album artist */ |
| ExpectChildAtom("sonm", Optional, OnlyOne); /* sort name */ |
| ExpectChildAtom("soco", Optional, OnlyOne); /* sort composer */ |
| ExpectChildAtom("sosn", Optional, OnlyOne); /* sort show */ |
| ExpectChildAtom("hdvd", Optional, OnlyOne); /* HD video */ |
| ExpectChildAtom("©enc", Optional, OnlyOne); /* Encoded by */ |
| ExpectChildAtom("pcst", Optional, OnlyOne); /* Podcast flag */ |
| ExpectChildAtom("keyw", Optional, OnlyOne); /* Keywords (for podcasts?) */ |
| ExpectChildAtom("catg", Optional, OnlyOne); /* Category (for podcasts?) */ |
| ExpectChildAtom("purl", Optional, OnlyOne); /* Podcast URL */ |
| ExpectChildAtom("egid", Optional, OnlyOne); /* Podcast episode global unique ID */ |
| |
| } else if (ATOMID(type) == ATOMID("imif")) { |
| AddVersionAndFlags(); |
| AddProperty(new MP4DescriptorProperty("ipmp_desc", MP4IPMPDescrTag, |
| MP4IPMPDescrTag, Required, Many)); |
| } else if (ATOMID(type) == ATOMID("iods")) { |
| AddVersionAndFlags(); |
| AddProperty( |
| new MP4DescriptorProperty(NULL, MP4FileIODescrTag, |
| MP4FileODescrTag, |
| Required, OnlyOne)); |
| /* |
| * m??? |
| */ |
| } else if (ATOMID(type) == ATOMID("maxr")) { |
| AddProperty(new MP4Integer32Property("granularity")); |
| AddProperty(new MP4Integer32Property("bytes")); |
| |
| } else if (ATOMID(type) == ATOMID("mdia")) { |
| ExpectChildAtom("mdhd", Required, OnlyOne); |
| ExpectChildAtom("hdlr", Required, OnlyOne); |
| ExpectChildAtom("minf", Required, OnlyOne); |
| |
| } else if (ATOMID(type) == ATOMID("meta")) { // iTunes |
| AddVersionAndFlags(); /* 0, 1 */ |
| ExpectChildAtom("hdlr", Required, OnlyOne); |
| ExpectChildAtom("ilst", Required, OnlyOne); |
| |
| } else if (ATOMID(type) == ATOMID("mfhd")) { |
| AddVersionAndFlags(); /* 0, 1 */ |
| AddProperty( /* 2 */ |
| new MP4Integer32Property("sequenceNumber")); |
| |
| } else if (ATOMID(type) == ATOMID("minf")) { |
| ExpectChildAtom("vmhd", Optional, OnlyOne); |
| ExpectChildAtom("smhd", Optional, OnlyOne); |
| ExpectChildAtom("hmhd", Optional, OnlyOne); |
| ExpectChildAtom("nmhd", Optional, OnlyOne); |
| ExpectChildAtom("gmhd", Optional, OnlyOne); |
| ExpectChildAtom("dinf", Required, OnlyOne); |
| ExpectChildAtom("stbl", Required, OnlyOne); |
| |
| } else if (ATOMID(type) == ATOMID("moof")) { |
| ExpectChildAtom("mfhd", Required, OnlyOne); |
| ExpectChildAtom("traf", Optional, Many); |
| |
| } else if (ATOMID(type) == ATOMID("moov")) { |
| ExpectChildAtom("mvhd", Required, OnlyOne); |
| ExpectChildAtom("iods", Optional, OnlyOne); |
| ExpectChildAtom("trak", Required, Many); |
| ExpectChildAtom("udta", Optional, Many); |
| ExpectChildAtom("mvex", Optional, OnlyOne); |
| |
| } else if (ATOMID(type) == ATOMID("mvex")) { |
| ExpectChildAtom("trex", Required, Many); |
| |
| /* |
| * n??? |
| */ |
| } else if (ATOMID(type) == ATOMID("nmhd")) { |
| AddVersionAndFlags(); |
| |
| } else if (ATOMID(type) == ATOMID("nump")) { |
| AddProperty( // packets sent |
| new MP4Integer64Property("packets")); |
| /* |
| * o??? |
| */ |
| } else if (ATOMID(type) == ATOMID("odkm")) { |
| AddVersionAndFlags(); |
| ExpectChildAtom("ohdr", Required, OnlyOne); |
| /* |
| * p??? |
| */ |
| } else if (ATOMID(type) == ATOMID("payt")) { |
| AddProperty(new MP4Integer32Property("payloadNumber")); |
| AddProperty(new MP4StringProperty("rtpMap", Counted)); |
| |
| } else if (ATOMID(type) == ATOMID("pinf")) { |
| ExpectChildAtom("frma", Required, OnlyOne); |
| } else if (ATOMID(type) == ATOMID("pmax")) { |
| AddProperty( // max packet size |
| new MP4Integer32Property("bytes")); |
| } else if (ATOMID(type) == ATOMID("schi")) { |
| // not sure if this is child atoms or table of boxes |
| // get clarification on spec 9.1.2.5 |
| ExpectChildAtom("odkm", Optional, OnlyOne); |
| ExpectChildAtom("iKMS", Optional, OnlyOne); |
| ExpectChildAtom("iSFM", Optional, OnlyOne); |
| |
| } else if (ATOMID(type) == ATOMID("schm")) { |
| AddVersionAndFlags(); /* 0, 1 */ |
| AddProperty( /* 2 */ |
| new MP4Integer32Property("scheme_type")); |
| AddProperty( /* 3 */ |
| new MP4Integer32Property("scheme_version")); |
| // browser URI if flags set, TODO |
| |
| } else if (ATOMID(type) == ATOMID("sinf")) { |
| ExpectChildAtom("frma", Required, OnlyOne); |
| ExpectChildAtom("imif", Optional, OnlyOne); |
| ExpectChildAtom("schm", Optional, OnlyOne); |
| ExpectChildAtom("schi", Optional, OnlyOne); |
| |
| } else if (ATOMID(type) == ATOMID("smhd")) { |
| AddVersionAndFlags(); |
| AddReserved("reserved", 4); |
| |
| } else if (ATOMID(type) == ATOMID("snro")) { |
| AddProperty(new MP4Integer32Property("offset")); |
| |
| } else if (ATOMID(type) == ATOMID("stco")) { |
| AddVersionAndFlags(); |
| |
| MP4Integer32Property* pCount = new MP4Integer32Property("entryCount"); |
| AddProperty(pCount); |
| |
| MP4TableProperty* pTable = new MP4TableProperty("entries", pCount); |
| AddProperty(pTable); |
| |
| pTable->AddProperty(new MP4Integer32Property("chunkOffset")); |
| |
| } else if (ATOMID(type) == ATOMID("stsh")) { |
| AddVersionAndFlags(); |
| |
| MP4Integer32Property* pCount = new MP4Integer32Property("entryCount"); |
| AddProperty(pCount); |
| |
| MP4TableProperty* pTable = new MP4TableProperty("entries", pCount); |
| AddProperty(pTable); |
| |
| pTable->AddProperty(new MP4Integer32Property("shadowedSampleNumber")); |
| pTable->AddProperty(new MP4Integer32Property("syncSampleNumber")); |
| |
| } else if (ATOMID(type) == ATOMID("stss")) { |
| AddVersionAndFlags(); |
| |
| MP4Integer32Property* pCount = new MP4Integer32Property("entryCount"); |
| AddProperty(pCount); |
| |
| MP4TableProperty* pTable = new MP4TableProperty("entries", pCount); |
| AddProperty(pTable); |
| |
| pTable->AddProperty(new MP4Integer32Property("sampleNumber")); |
| |
| } else if (ATOMID(type) == ATOMID("stts")) { |
| AddVersionAndFlags(); |
| MP4Integer32Property* pCount = new MP4Integer32Property("entryCount"); |
| AddProperty(pCount); |
| |
| MP4TableProperty* pTable = new MP4TableProperty("entries", pCount); |
| AddProperty(pTable); |
| |
| pTable->AddProperty(new MP4Integer32Property("sampleCount")); |
| pTable->AddProperty(new MP4Integer32Property("sampleDelta")); |
| } else if (ATOMID(type) == ATOMID("tims")) { |
| AddProperty( |
| new MP4Integer32Property("timeScale")); |
| |
| } else if (ATOMID(type) == ATOMID("tmin")) { |
| AddProperty( // min relative xmit time |
| new MP4Integer32Property("milliSecs")); |
| |
| } else if (ATOMID(type) == ATOMID("tmax")) { |
| AddProperty( // max relative xmit time |
| new MP4Integer32Property("milliSecs")); |
| |
| } else if (ATOMID(type) == ATOMID("traf")) { |
| ExpectChildAtom("tfhd", Required, OnlyOne); |
| ExpectChildAtom("trun", Optional, Many); |
| |
| } else if (ATOMID(type) == ATOMID("trak")) { |
| ExpectChildAtom("tkhd", Required, OnlyOne); |
| ExpectChildAtom("tref", Optional, OnlyOne); |
| ExpectChildAtom("edts", Optional, OnlyOne); |
| ExpectChildAtom("mdia", Required, OnlyOne); |
| ExpectChildAtom("udta", Optional, Many); |
| |
| } else if (ATOMID(type) == ATOMID("tref")) { |
| ExpectChildAtom("chap", Optional, OnlyOne); |
| ExpectChildAtom("dpnd", Optional, OnlyOne); |
| ExpectChildAtom("hint", Optional, OnlyOne); |
| ExpectChildAtom("ipir", Optional, OnlyOne); |
| ExpectChildAtom("mpod", Optional, OnlyOne); |
| ExpectChildAtom("sync", Optional, OnlyOne); |
| |
| } else if (ATOMID(type) == ATOMID("trex")) { |
| AddVersionAndFlags(); /* 0, 1 */ |
| AddProperty( /* 2 */ |
| new MP4Integer32Property("trackId")); |
| AddProperty( /* 3 */ |
| new MP4Integer32Property("defaultSampleDesriptionIndex")); |
| AddProperty( /* 4 */ |
| new MP4Integer32Property("defaultSampleDuration")); |
| AddProperty( /* 5 */ |
| new MP4Integer32Property("defaultSampleSize")); |
| AddProperty( /* 6 */ |
| new MP4Integer32Property("defaultSampleFlags")); |
| |
| } else if (ATOMID(type) == ATOMID("trpy") || |
| ATOMID(type) == ATOMID("tpyl")) { |
| AddProperty( // bytes sent including RTP headers |
| new MP4Integer64Property("bytes")); |
| |
| } else if (ATOMID(type) == ATOMID("tsro")) { |
| AddProperty( |
| new MP4Integer32Property("offset")); |
| } else if (ATOMID(type) == ATOMID("wave")) { |
| ExpectChildAtom("esds", Required, OnlyOne); |
| } else { |
| /* |
| * default - unknown type |
| */ |
| SetUnknownType(true); |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| }} // namespace mp4v2::impl |
