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First container boxes implemented for MP4.

Browse source 
Also my first fixes for boxes.
This commit is contained in:
Ozzay 2013-04-19 16:21:40 +02:00 • committed by Erik Zandvliet
parent 6f7b300bf5
commit c6eca9b990
2 changed files with 270 additions and 56 deletions
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251
lib/mp4.cpp
View file

@ -154,6 +154,21 @@ namespace MP4 {
case 0x73647470:
return ((SDTP*)this)->toPrettyString(indent);
break;
case 0x66747970:
return ((FTYP*)this)->toPrettyString(indent);
break;
case 0x6D6F6F76:
return ((MOOV*)this)->toPrettyString(indent);
break;
case 0x6D766578:
return ((MVEX*)this)->toPrettyString(indent);
break;
case 0x74726578:
return ((TREX*)this)->toPrettyString(indent);
break;
case 0x6D667261:
return ((MFRA*)this)->toPrettyString(indent);
break;
case 0x75756964:
return ((UUID*)this)->toPrettyString(indent);
break;
@ -445,6 +460,62 @@ namespace MP4 {
return true;
}
uint32_t containerBox::getContentCount(){
int res = 0;
int tempLoc = 0;
while (tempLoc < boxedSize() - 8){
res++;
tempLoc += getBoxLen(tempLoc);
}
return res;
}
void containerBox::setContent(Box & newContent, uint32_t no){
int tempLoc = 0;
int contentCount = getContentCount();
for (int i = 0; i < no; i++){
if (i < contentCount){
tempLoc += getBoxLen(tempLoc);
}else{
if ( !reserve(tempLoc, 0, (no - contentCount) * 8)){
return;
};
memset(data + tempLoc, 0, (no - contentCount) * 8);
tempLoc += (no - contentCount) * 8;
break;
}
}
setBox(newContent, tempLoc);
}
Box & containerBox::getContent(uint32_t no){
static Box ret = Box((char*)"\000\000\000\010erro", false);
if (no > getContentCount()){
return ret;
}
int i = 0;
int tempLoc = 0;
while (i < no){
tempLoc += getBoxLen(tempLoc);
i++;
}
return getBox(tempLoc);
}
std::string containerBox::toPrettyContainerString(int indent, std::string boxName){
std::stringstream r;
r << std::string(indent, ' ') << boxName <<" (" << boxedSize() << ")" << std::endl;
Box curBox;
int tempLoc = 0;
int contentCount = getContentCount();
for (int i = 0; i < contentCount; i++){
curBox = getContent(i);
r << curBox.toPrettyString(indent + 1);
tempLoc += getBoxLen(tempLoc);
}
return r.str();
}
ABST::ABST(){
memcpy(data + 4, "abst", 4);
setVersion(0);
@ -1192,60 +1263,8 @@ namespace MP4 {
memcpy(data + 4, "moof", 4);
}
uint32_t MOOF::getContentCount(){
int res = 0;
int tempLoc = 0;
while (tempLoc < boxedSize() - 8){
res++;
tempLoc += getBoxLen(tempLoc);
}
return res;
}
void MOOF::setContent(Box & newContent, uint32_t no){
int tempLoc = 0;
int contentCount = getContentCount();
for (int i = 0; i < no; i++){
if (i < contentCount){
tempLoc += getBoxLen(tempLoc);
}else{
if ( !reserve(tempLoc, 0, (no - contentCount) * 8)){
return;
};
memset(data + tempLoc, 0, (no - contentCount) * 8);
tempLoc += (no - contentCount) * 8;
break;
}
}
setBox(newContent, tempLoc);
}
Box & MOOF::getContent(uint32_t no){
static Box ret = Box((char*)"\000\000\000\010erro", false);
if (no > getContentCount()){
return ret;
}
int i = 0;
int tempLoc = 0;
while (i < no){
tempLoc += getBoxLen(tempLoc);
i++;
}
return getBox(tempLoc);
}
std::string MOOF::toPrettyString(int indent){
std::stringstream r;
r << std::string(indent, ' ') << "[moof] Movie Fragment Box (" << boxedSize() << ")" << std::endl;
Box curBox;
int tempLoc = 0;
int contentCount = getContentCount();
for (int i = 0; i < contentCount; i++){
curBox = getContent(i);
r << curBox.toPrettyString(indent + 1);
tempLoc += getBoxLen(tempLoc);
}
return r.str();
return toPrettyContainerString(indent, std::string("[moof] Movie Fragment Box"));
}
TRAF::TRAF(){
@ -2145,6 +2164,124 @@ namespace MP4 {
return r.str();
}
FTYP::FTYP(){
memcpy(data + 4, "ftyp", 4);
}
void FTYP::setMajorBrand(uint32_t newMajorBrand){
setInt32(newMajorBrand, 0);
}
uint32_t FTYP::getMajorBrand(){
return getInt32(0);
}
void FTYP::setMinorVersion(uint32_t newMinorVersion){
setInt32(newMinorVersion, 4);
}
uint32_t FTYP::getMinorVersion(){
return getInt32(4);
}
uint32_t FTYP::getCompatibleBrandsCount(){
return (payloadSize() - 8) / 4;
}
void FTYP::setCompatibleBrands(uint32_t newCompatibleBrand, size_t index){
setInt32(newCompatibleBrand, 8 + (index * 4));
}
uint32_t FTYP::getCompatibleBrands(size_t index){
if (index >= getCompatibleBrandsCount()){
return 0;
}
return getInt32(8 + (index * 4));
}
std::string FTYP::toPrettyString(int indent){
std::stringstream r;
r << std::string(indent, ' ') << "[ftyp] File Type (" << boxedSize() << ")" << std::endl;
r << std::string(indent + 1, ' ') << "MajorBrand: 0x" << std::hex << getMajorBrand() << std::dec << std::endl;
r << std::string(indent + 1, ' ') << "MinorVersion: " << getMinorVersion() << std::endl;
r << std::string(indent + 1, ' ') << "CompatibleBrands (" << getCompatibleBrandsCount() << "):" << std::endl;
for (int i = 0; i < getCompatibleBrandsCount(); i++){
r << std::string(indent + 2, ' ') << "[" << i << "] CompatibleBrand: 0x" << std::hex << getCompatibleBrands(i) << std::dec << std::endl;
}
return r.str();
}
MOOV::MOOV(){
memcpy(data + 4, "moov", 4);
}
std::string MOOV::toPrettyString(int indent){
return toPrettyContainerString(indent, std::string("[moov] Movie Box"));
}
MVEX::MVEX(){
memcpy(data + 4, "mvex", 4);
}
std::string MVEX::toPrettyString(int indent){
return toPrettyContainerString(indent, std::string("[mvex] Movie Extends Header Box"));
}
TREX::TREX(){
memcpy(data + 4, "ftyp", 4);
}
void TREX::setTrackID(uint32_t newTrackID){
setInt32(newTrackID, 0);
}
uint32_t TREX::getTrackID(){
return getInt32(0);
}
void TREX::setDefaultSampleDescriptionIndex(uint32_t newDefaultSampleDescriptionIndex){
setInt32(newDefaultSampleDescriptionIndex,4);
}
uint32_t TREX::getDefaultSampleDescriptionIndex(){
return getInt32(4);
}
void TREX::setDefaultSampleDuration(uint32_t newDefaultSampleDuration){
setInt32(newDefaultSampleDuration,8);
}
uint32_t TREX::getDefaultSampleDuration(){
getInt32(8);
}
void TREX::setDefaultSampleSize(uint32_t newDefaultSampleSize){
setInt32(newDefaultSampleSize,12);
}
uint32_t TREX::getDefaultSampleSize(){
getInt32(12);
}
void TREX::setDefaultSampleFlags(uint32_t newDefaultSampleFlags){
setInt32(newDefaultSampleFlags,16);
}
uint32_t TREX::getDefaultSampleFlags(){
getInt32(16);
}
std::string TREX::toPrettyString(int indent){
std::stringstream r;
r << std::string(indent, ' ') << "[trex] Track Extends (" << boxedSize() << ")" << std::endl;
r << std::string(indent + 1, ' ') << "TrackID: " << getTrackID() << std::endl;
r << std::string(indent + 1, ' ') << "DefaultSampleDescriptionIndex : " << getDefaultSampleDescriptionIndex() << std::endl;
r << std::string(indent + 1, ' ') << "DefaultSampleDuration : " << getDefaultSampleDuration() << std::endl;
r << std::string(indent + 1, ' ') << "DefaultSampleSize : " << getDefaultSampleSize() << std::endl;
r << std::string(indent + 1, ' ') << "DefaultSampleFlags : " << getDefaultSampleFlags() << std::endl;
return r.str();
}
static char c2hex(int c){
if (c >= '0' && c <= '9') return c - '0';
if (c >= 'a' && c <= 'f') return c - 'a' + 10;
@ -2152,6 +2289,14 @@ namespace MP4 {
return 0;
}
MFRA::MFRA(){
memcpy(data + 4, "mfra", 4);
}
std::string MFRA::toPrettyString(int indent){
return toPrettyContainerString(indent, std::string("[mfra] Movie Fragment Random Acces Box"));
}
UUID::UUID(){
memcpy(data + 4, "uuid", 4);
setInt64(0, 0);

71
lib/mp4.h
View file

@ -56,6 +56,16 @@ namespace MP4 {
};
//Box Class
class containerBox: public Box{
public:
//containerBox();
uint32_t getContentCount();
void setContent(Box & newContent, uint32_t no);
Box & getContent(uint32_t no);
std::string toPrettyString(int indent = 0);
std::string toPrettyContainerString(int indent, std::string boxName);
};
struct afrt_runtable{
uint32_t firstFragment;
uint64_t firstTimestamp;
@ -160,13 +170,19 @@ namespace MP4 {
};
//MFHD Box
class MOOF: public Box{
/*class MOOF: public Box{
public:
MOOF();
uint32_t getContentCount();
void setContent(Box & newContent, uint32_t no);
Box & getContent(uint32_t no);
std::string toPrettyString(int indent = 0);
};*/
class MOOF: public containerBox{
public:
MOOF();
std::string toPrettyString(int indent = 0);
};
//MOOF Box
@ -320,6 +336,59 @@ namespace MP4 {
std::string toPrettyString(uint32_t indent = 0);
};
class FTYP: public Box{
public:
FTYP();
void setMajorBrand(uint32_t newMajorBrand);
uint32_t getMajorBrand();
void setMinorVersion(uint32_t newMinorVersion);
uint32_t getMinorVersion();
uint32_t getCompatibleBrandsCount();
void setCompatibleBrands(uint32_t newCompatibleBrand, size_t index);
uint32_t getCompatibleBrands(size_t index);
std::string toPrettyString(int indent = 0);
};
class MOOV: public containerBox{
public:
MOOV();
std::string toPrettyString(int indent = 0);
};
class MVEX: public containerBox{
public:
MVEX();
std::string toPrettyString(int indent = 0);
};
class TREX: public Box{
public:
TREX();
void setTrackID(uint32_t newTrackID);
uint32_t getTrackID();
void setDefaultSampleDescriptionIndex(uint32_t newDefaultSampleDescriptionIndex);
uint32_t getDefaultSampleDescriptionIndex();
void setDefaultSampleDuration(uint32_t newDefaultSampleDuration);
uint32_t getDefaultSampleDuration();
void setDefaultSampleSize(uint32_t newDefaultSampleSize);
uint32_t getDefaultSampleSize();
void setDefaultSampleFlags(uint32_t newDefaultSampleFlags);
uint32_t getDefaultSampleFlags();
std::string toPrettyString(int indent = 0);
};
class MFRA: public containerBox{
public:
MFRA();
std::string toPrettyString(int indent = 0);
};
/*class MDAT: public Box{
public:
MDAT();
};*/
class UUID: public Box{
public:
UUID();