467 lines
16 KiB
C++
467 lines
16 KiB
C++
/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is MPEG4IP.
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*
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* The Initial Developer of the Original Code is Cisco Systems Inc.
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* Portions created by Cisco Systems Inc. are
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* Copyright (C) Cisco Systems Inc. 2004. All Rights Reserved.
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*
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* Contributor(s):
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* Bill May (from others work).
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*/
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#include "mp4common.h"
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#include "atoms.h"
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static const char name[5]={'\xA9','n', 'a', 'm', '\0'};
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static const char art[5]={'\xA9','A', 'R', 'T', '\0'};
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static const char wrt[5]={'\xA9','w', 'r', 't', '\0'};
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static const char alb[5]={'\xA9','a', 'l', 'b', '\0'};
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static const char day[5]={'\xA9','d', 'a', 'y', '\0'};
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static const char too[5]={'\xA9','t', 'o', 'o', '\0'};
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static const char cmt[5]={'\xA9','c', 'm', 't', '\0'};
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static const char gen[5]={'\xA9','g', 'e', 'n', '\0'};
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static const char grp[5]={'\xA9','g', 'r', 'p', '\0'};
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MP4StandardAtom::MP4StandardAtom (const char *type) : MP4Atom(type)
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{
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/*
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* This is a big if else loop. Make sure that you don't break it
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* when adding new atoms, or you will set the unknown type flag
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*
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* Try to keep it in alphabetical order - it should only be called
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* 1 time per atom, so it's not that urgent.
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*/
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if (ATOMID(type) == ATOMID("aART") ||
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ATOMID(type) == ATOMID("akID") ||
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ATOMID(type) == ATOMID("apID") ||
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ATOMID(type) == ATOMID("atID")) {
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ExpectChildAtom("data", Required, OnlyOne);
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/*
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* b???
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*/
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} else if (ATOMID(type) == ATOMID("bitr")) {
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AddProperty( /* 0 */
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new MP4Integer32Property("avgBitrate"));
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AddProperty( /* 1 */
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new MP4Integer32Property("maxBitrate"));
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} else if (ATOMID(type) == ATOMID("btrt")) {
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AddProperty( new MP4Integer32Property("bufferSizeDB")); /* 0 */
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AddProperty( new MP4Integer32Property("avgBitrate")); /* 1 */
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AddProperty( new MP4Integer32Property("maxBitrate")); /* 2 */
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} else if (ATOMID(type) == ATOMID("burl")) {
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AddProperty( new MP4StringProperty("base_url"));
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/*
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* c???
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*/
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} else if (ATOMID(type) == ATOMID("co64")) {
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AddVersionAndFlags();
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MP4Integer32Property* pCount =
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new MP4Integer32Property("entryCount");
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AddProperty(pCount);
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MP4TableProperty* pTable = new MP4TableProperty("entries", pCount);
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AddProperty(pTable);
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pTable->AddProperty(
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new MP4Integer64Property("chunkOffset"));
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} else if (ATOMID(type) == ATOMID("cpil")) {
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ExpectChildAtom("data", Required, OnlyOne);
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} else if (ATOMID(type) == ATOMID("covr")) { /* Apple iTunes */
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ExpectChildAtom("data", Required, Many);
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} else if (ATOMID(type) == ATOMID("cprt") ||
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ATOMID(type) == ATOMID("cnID")) {
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#if 0
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AddVersionAndFlags();
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AddProperty(
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new MP4Integer16Property("language"));
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AddProperty(
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new MP4StringProperty("notice"));
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#else
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ExpectChildAtom("data", Required, OnlyOne);
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#endif
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} else if (ATOMID(type) == ATOMID("ctts")) {
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AddVersionAndFlags();
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MP4Integer32Property* pCount =
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new MP4Integer32Property("entryCount");
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AddProperty(pCount);
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MP4TableProperty* pTable = new MP4TableProperty("entries", pCount);
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AddProperty(pTable);
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pTable->AddProperty(new MP4Integer32Property("sampleCount"));
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pTable->AddProperty(new MP4Integer32Property("sampleOffset"));
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/*
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* d???
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*/
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} else if (ATOMID(type) == ATOMID("dinf")) {
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ExpectChildAtom("dref", Required, OnlyOne);
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} else if (ATOMID(type) == ATOMID("dimm")) {
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AddProperty( // bytes of immediate data
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new MP4Integer64Property("bytes"));
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} else if (ATOMID(type) == ATOMID("disk")) { /* Apple iTunes */
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ExpectChildAtom("data", Required, OnlyOne);
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} else if (ATOMID(type) == ATOMID("dmax")) {
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AddProperty( // max packet duration
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new MP4Integer32Property("milliSecs"));
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} else if (ATOMID(type) == ATOMID("dmed")) {
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AddProperty( // bytes sent from media data
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new MP4Integer64Property("bytes"));
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} else if (ATOMID(type) == ATOMID("drep")) {
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AddProperty( // bytes of repeated data
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new MP4Integer64Property("bytes"));
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/*
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* e???
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*/
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} else if (ATOMID(type) == ATOMID("edts")) {
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ExpectChildAtom("elst", Required, OnlyOne);
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} else if (ATOMID(type) == ATOMID("esds")) {
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AddVersionAndFlags();
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AddProperty(
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new MP4DescriptorProperty(NULL, MP4ESDescrTag, 0,
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Required, OnlyOne));
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/*
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* f???
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*/
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} else if (ATOMID(type) == ATOMID("frma")) {
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AddProperty( /* 0 */
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new MP4Integer32Property("data-format"));
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/*
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* g???
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*/
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} else if (ATOMID(type) == ATOMID("gmhd")) {
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ExpectChildAtom("gmin", Required, OnlyOne);
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ExpectChildAtom("tmcd", Optional, OnlyOne);
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ExpectChildAtom("text", Optional, OnlyOne);
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} else if (ATOMID(type) == ATOMID("gnre") ||
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ATOMID(type) == ATOMID("geID")) { // Apple iTunes
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ExpectChildAtom("data", Optional, OnlyOne);
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/*
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* h???
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*/
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} else if (ATOMID(type) == ATOMID("hmhd")) {
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AddVersionAndFlags();
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AddProperty(new MP4Integer16Property("maxPduSize"));
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AddProperty(new MP4Integer16Property("avgPduSize"));
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AddProperty(new MP4Integer32Property("maxBitRate"));
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AddProperty(new MP4Integer32Property("avgBitRate"));
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AddProperty(new MP4Integer32Property("slidingAvgBitRate"));
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/*
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* i???
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*/
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} else if (ATOMID(type) == ATOMID("iKMS")) {
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AddVersionAndFlags(); /* 0, 1 */
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MP4StringProperty* pProp = new MP4StringProperty("kms_URI");
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AddProperty(pProp); /* 2 */
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} else if (ATOMID(type) == ATOMID("iSFM")) {
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AddVersionAndFlags(); /* 0, 1 */
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AddProperty( /* 2 */
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new MP4BitfieldProperty("selective-encryption", 1));
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AddProperty( /* 3 */
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new MP4BitfieldProperty("reserved", 7));
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AddProperty( /* 4 */
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new MP4Integer8Property("key-indicator-length"));
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AddProperty( /* 5 */
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new MP4Integer8Property("IV-length"));
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} else if (ATOMID(type) == ATOMID("ilst")) {
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ExpectChildAtom("\251nam", Optional, OnlyOne); /* name */
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ExpectChildAtom("\251ART", Optional, OnlyOne); /* artist */
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ExpectChildAtom("\251wrt", Optional, OnlyOne); /* writer */
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ExpectChildAtom("\251alb", Optional, OnlyOne); /* album */
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ExpectChildAtom("\251day", Optional, OnlyOne); /* date */
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ExpectChildAtom("\251too", Optional, OnlyOne); /* tool */
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ExpectChildAtom("\251cmt", Optional, OnlyOne); /* comment */
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ExpectChildAtom("\251gen", Optional, OnlyOne); /* custom genre */
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ExpectChildAtom("trkn", Optional, OnlyOne); /* tracknumber */
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ExpectChildAtom("disk", Optional, OnlyOne); /* disknumber */
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ExpectChildAtom("gnre", Optional, OnlyOne); /* genre (ID3v1 index + 1) */
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ExpectChildAtom("cpil", Optional, OnlyOne); /* compilation */
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ExpectChildAtom("tmpo", Optional, OnlyOne); /* BPM */
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ExpectChildAtom("covr", Optional, OnlyOne); /* cover art */
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ExpectChildAtom("aART", Optional, OnlyOne); /* album artist */
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ExpectChildAtom("----", Optional, Many); /* ---- free form */
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ExpectChildAtom("pgap", Optional, OnlyOne); /* part of gapless album */
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ExpectChildAtom("rate", Optional, OnlyOne); /* rating 0-100 */
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} else if (ATOMID(type) == ATOMID("imif")) {
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AddVersionAndFlags();
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AddProperty(new MP4DescriptorProperty("ipmp_desc", MP4IPMPDescrTag,
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MP4IPMPDescrTag, Required, Many));
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} else if (ATOMID(type) == ATOMID("iods")) {
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AddVersionAndFlags();
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AddProperty(
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new MP4DescriptorProperty(NULL, MP4FileIODescrTag,
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MP4FileODescrTag,
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Required, OnlyOne));
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/*
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* m???
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*/
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} else if (ATOMID(type) == ATOMID("maxr")) {
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AddProperty(new MP4Integer32Property("granularity"));
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AddProperty(new MP4Integer32Property("bytes"));
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} else if (ATOMID(type) == ATOMID("mdia")) {
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ExpectChildAtom("mdhd", Required, OnlyOne);
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ExpectChildAtom("hdlr", Required, OnlyOne);
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ExpectChildAtom("minf", Required, OnlyOne);
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} else if (ATOMID(type) == ATOMID("meta")) { // iTunes
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AddVersionAndFlags(); /* 0, 1 */
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ExpectChildAtom("hdlr", Required, OnlyOne);
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ExpectChildAtom("ilst", Required, OnlyOne);
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} else if (ATOMID(type) == ATOMID("mfhd")) {
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AddVersionAndFlags(); /* 0, 1 */
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AddProperty( /* 2 */
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new MP4Integer32Property("sequenceNumber"));
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} else if (ATOMID(type) == ATOMID("minf")) {
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ExpectChildAtom("vmhd", Optional, OnlyOne);
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ExpectChildAtom("smhd", Optional, OnlyOne);
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ExpectChildAtom("hmhd", Optional, OnlyOne);
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ExpectChildAtom("nmhd", Optional, OnlyOne);
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ExpectChildAtom("gmhd", Optional, OnlyOne);
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ExpectChildAtom("dinf", Required, OnlyOne);
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ExpectChildAtom("stbl", Required, OnlyOne);
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} else if (ATOMID(type) == ATOMID("moof")) {
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ExpectChildAtom("mfhd", Required, OnlyOne);
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ExpectChildAtom("traf", Optional, Many);
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} else if (ATOMID(type) == ATOMID("moov")) {
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ExpectChildAtom("mvhd", Required, OnlyOne);
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ExpectChildAtom("iods", Optional, OnlyOne);
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ExpectChildAtom("trak", Required, Many);
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ExpectChildAtom("udta", Optional, Many);
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ExpectChildAtom("mvex", Optional, OnlyOne);
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} else if (ATOMID(type) == ATOMID("mvex")) {
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ExpectChildAtom("trex", Required, Many);
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/*
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* n???
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*/
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} else if (ATOMID(type) == ATOMID("nmhd")) {
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AddVersionAndFlags();
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} else if (ATOMID(type) == ATOMID("nump")) {
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AddProperty( // packets sent
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new MP4Integer64Property("packets"));
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/*
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* o???
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*/
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} else if (ATOMID(type) == ATOMID("odkm")) {
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AddVersionAndFlags();
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ExpectChildAtom("ohdr", Required, OnlyOne);
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/*
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* p???
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*/
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} else if (ATOMID(type) == ATOMID("payt")) {
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AddProperty(new MP4Integer32Property("payloadNumber"));
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AddProperty(new MP4StringProperty("rtpMap", Counted));
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} else if (ATOMID(type) == ATOMID("pinf")) {
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ExpectChildAtom("frma", Required, OnlyOne);
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} else if (ATOMID(type) == ATOMID("pmax")) {
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AddProperty( // max packet size
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new MP4Integer32Property("bytes"));
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} else if (ATOMID(type) == ATOMID("pgap") ||
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ATOMID(type) == ATOMID("plID") ||
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ATOMID(type) == ATOMID("purd") ||
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ATOMID(type) == ATOMID("rtng")) {
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ExpectChildAtom("data", Required, OnlyOne);
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/*
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* s???
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*/
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} else if (ATOMID(type) == ATOMID("schi")) {
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// not sure if this is child atoms or table of boxes
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// get clarification on spec 9.1.2.5
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ExpectChildAtom("odkm", Optional, OnlyOne);
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ExpectChildAtom("iKMS", Optional, OnlyOne);
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ExpectChildAtom("iSFM", Optional, OnlyOne);
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} else if (ATOMID(type) == ATOMID("schm")) {
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AddVersionAndFlags(); /* 0, 1 */
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AddProperty( /* 2 */
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new MP4Integer32Property("scheme_type"));
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AddProperty( /* 3 */
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new MP4Integer32Property("scheme_version"));
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// browser URI if flags set, TODO
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} else if (ATOMID(type) == ATOMID("sinf")) {
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ExpectChildAtom("frma", Required, OnlyOne);
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ExpectChildAtom("imif", Optional, OnlyOne);
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ExpectChildAtom("schm", Optional, OnlyOne);
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ExpectChildAtom("schi", Optional, OnlyOne);
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} else if (ATOMID(type) == ATOMID("smhd")) {
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AddVersionAndFlags();
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AddReserved("reserved", 4);
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} else if (ATOMID(type) == ATOMID("snro")) {
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AddProperty(new MP4Integer32Property("offset"));
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} else if (ATOMID(type) == ATOMID("stco")) {
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AddVersionAndFlags();
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MP4Integer32Property* pCount = new MP4Integer32Property("entryCount");
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AddProperty(pCount);
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MP4TableProperty* pTable = new MP4TableProperty("entries", pCount);
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AddProperty(pTable);
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pTable->AddProperty(new MP4Integer32Property("chunkOffset"));
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} else if (ATOMID(type) == ATOMID("stsh")) {
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AddVersionAndFlags();
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MP4Integer32Property* pCount = new MP4Integer32Property("entryCount");
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AddProperty(pCount);
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MP4TableProperty* pTable = new MP4TableProperty("entries", pCount);
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AddProperty(pTable);
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pTable->AddProperty(new MP4Integer32Property("shadowedSampleNumber"));
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pTable->AddProperty(new MP4Integer32Property("syncSampleNumber"));
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} else if (ATOMID(type) == ATOMID("stss")) {
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AddVersionAndFlags();
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MP4Integer32Property* pCount = new MP4Integer32Property("entryCount");
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AddProperty(pCount);
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MP4TableProperty* pTable = new MP4TableProperty("entries", pCount);
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AddProperty(pTable);
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pTable->AddProperty(new MP4Integer32Property("sampleNumber"));
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} else if (ATOMID(type) == ATOMID("stts")) {
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AddVersionAndFlags();
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MP4Integer32Property* pCount = new MP4Integer32Property("entryCount");
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AddProperty(pCount);
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MP4TableProperty* pTable = new MP4TableProperty("entries", pCount);
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AddProperty(pTable);
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pTable->AddProperty(new MP4Integer32Property("sampleCount"));
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pTable->AddProperty(new MP4Integer32Property("sampleDelta"));
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} else if (ATOMID(type) == ATOMID("sfID") ||
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ATOMID(type) == ATOMID("stik")) {
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ExpectChildAtom("data", Required, OnlyOne);
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/*
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* t???
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*/
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} else if (ATOMID(type) == ATOMID("tims")) {
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AddProperty(
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new MP4Integer32Property("timeScale"));
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} else if (ATOMID(type) == ATOMID("tmin")) {
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AddProperty( // min relative xmit time
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new MP4Integer32Property("milliSecs"));
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} else if (ATOMID(type) == ATOMID("tmax")) {
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AddProperty( // max relative xmit time
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new MP4Integer32Property("milliSecs"));
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} else if (ATOMID(type) == ATOMID("tmpo")) { // iTunes
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ExpectChildAtom("data", Required, OnlyOne);
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} else if (ATOMID(type) == ATOMID("traf")) {
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ExpectChildAtom("tfhd", Required, OnlyOne);
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ExpectChildAtom("trun", Optional, Many);
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} else if (ATOMID(type) == ATOMID("trak")) {
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ExpectChildAtom("tkhd", Required, OnlyOne);
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ExpectChildAtom("tref", Optional, OnlyOne);
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ExpectChildAtom("edts", Optional, OnlyOne);
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ExpectChildAtom("mdia", Required, OnlyOne);
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ExpectChildAtom("udta", Optional, Many);
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} else if (ATOMID(type) == ATOMID("tref")) {
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ExpectChildAtom("chap", Optional, OnlyOne);
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ExpectChildAtom("dpnd", Optional, OnlyOne);
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ExpectChildAtom("hint", Optional, OnlyOne);
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ExpectChildAtom("ipir", Optional, OnlyOne);
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ExpectChildAtom("mpod", Optional, OnlyOne);
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ExpectChildAtom("sync", Optional, OnlyOne);
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} else if (ATOMID(type) == ATOMID("trex")) {
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AddVersionAndFlags(); /* 0, 1 */
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AddProperty( /* 2 */
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new MP4Integer32Property("trackId"));
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AddProperty( /* 3 */
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new MP4Integer32Property("defaultSampleDesriptionIndex"));
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AddProperty( /* 4 */
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new MP4Integer32Property("defaultSampleDuration"));
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AddProperty( /* 5 */
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new MP4Integer32Property("defaultSampleSize"));
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AddProperty( /* 6 */
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new MP4Integer32Property("defaultSampleFlags"));
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} else if (ATOMID(type) == ATOMID("rate")) {
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ExpectChildAtom("data", Optional, OnlyOne);
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} else if (ATOMID(type) == ATOMID("trkn")) { // iTunes
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ExpectChildAtom("data", Required, OnlyOne);
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} else if (ATOMID(type) == ATOMID("trpy") ||
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ATOMID(type) == ATOMID("tpyl")) {
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AddProperty( // bytes sent including RTP headers
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new MP4Integer64Property("bytes"));
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} else if (ATOMID(type) == ATOMID("tsro")) {
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AddProperty(
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new MP4Integer32Property("offset"));
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} else if (ATOMID(type) == ATOMID("wave")) {
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ExpectChildAtom("esds", Required, OnlyOne);
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/*
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* copyright???
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*/
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} else if (ATOMID(type) == ATOMID(art) ||
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ATOMID(type) == ATOMID(wrt) ||
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ATOMID(type) == ATOMID(alb) ||
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ATOMID(type) == ATOMID(day) ||
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ATOMID(type) == ATOMID(too) ||
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ATOMID(type) == ATOMID(gen) ||
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ATOMID(type) == ATOMID(grp)) { /* Apple iTunes */
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ExpectChildAtom("data", Required, OnlyOne);
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/*
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* ----
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*/
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} else if (ATOMID(type) == ATOMID("----")) { /* Apple iTunes */
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ExpectChildAtom("mean", Required, OnlyOne);
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ExpectChildAtom("name", Required, OnlyOne);
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ExpectChildAtom("data", Required, OnlyOne);
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} else {
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/*
|
|
* default - unknown type
|
|
*/
|
|
SetUnknownType(true);
|
|
}
|
|
|
|
}
|