Implemented SDTP, UUID and UUID_TrackFragmentReference boxes in MP4 lib.

This commit is contained in:
Thulinma 2013-03-07 20:08:22 +01:00
parent c4544a4d21
commit a1ed3a8465
2 changed files with 222 additions and 1 deletions

View file

@ -151,10 +151,19 @@ namespace MP4 {
case 0x61766343: case 0x61766343:
return ((AVCC*)this)->toPrettyString(indent); return ((AVCC*)this)->toPrettyString(indent);
break; break;
case 0x73647470:
return ((SDTP*)this)->toPrettyString(indent);
break;
case 0x75756964:
return ((UUID*)this)->toPrettyString(indent);
break;
default: default:
break; break;
} }
return std::string(indent, ' ') + "Unimplemented pretty-printing for box " + std::string(data + 4, 4) + "\n"; std::string retval = std::string(indent, ' ') + "Unimplemented pretty-printing for box " + std::string(data + 4, 4) + "\n";
/// \todo Implement hexdump for unimplemented boxes?
//retval +=
return retval;
} }
/// Sets the 8 bits integer at the given index. /// Sets the 8 bits integer at the given index.
@ -2080,4 +2089,189 @@ namespace MP4 {
uint32_t SDTP::getValue(size_t index){ uint32_t SDTP::getValue(size_t index){
getInt8(index); getInt8(index);
} }
std::string SDTP::toPrettyString(uint32_t indent){
std::stringstream r;
r << std::string(indent, ' ') << "[sdtp] Sample Dependancy Type (" << boxedSize() << ")" << std::endl;
r << std::string(indent + 1, ' ') << "Samples: " << (boxedSize() - 12) << std::endl;
for (size_t i = 1; i <= boxedSize() - 12; ++i){
uint32_t val = getValue(i+3);
r << std::string(indent + 2, ' ') << "[" << i << "] = ";
switch (val & 3){
case 0:
r << " ";
break;
case 1:
r << "Redundant, ";
break;
case 2:
r << "Not redundant, ";
break;
case 3:
r << "Error, ";
break;
}
switch (val & 12){
case 0:
r << " ";
break;
case 4:
r << "Not disposable, ";
break;
case 8:
r << "Disposable, ";
break;
case 12:
r << "Error, ";
break;
}
switch (val & 48){
case 0:
r << " ";
break;
case 16:
r << "IFrame, ";
break;
case 32:
r << "Not IFrame, ";
break;
case 48:
r << "Error, ";
break;
}
r << "(" << val << ")" << 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;
if (c >= 'A' && c <= 'F') return c - 'A' + 10;
return 0;
}
UUID::UUID(){
memcpy(data + 4, "uuid", 4);
setInt64(0, 0);
setInt64(0, 8);
}
std::string UUID::getUUID(){
std::stringstream r;
r << std::hex;
for (int i = 0; i < 16; ++i){
if (i == 4 || i == 6 || i == 8 || i == 10){
r << "-";
}
r << std::setfill('0') << std::setw(2) << std::right << (int)(data[8+i]);
}
return r.str();
}
void UUID::setUUID(const std::string & uuid_string){
//reset UUID to zero
for (int i = 0; i < 4; ++i){
((uint32_t*)(data+8))[i] = 0;
}
//set the UUID from the string, char by char
int i = 0;
for (size_t j = 0; j < uuid_string.size(); ++j){
if (uuid_string[j] == '-'){
continue;
}
data[8+i/2] |= (c2hex(uuid_string[j]) << (4-(4*(i%2))));
++i;
}
}
void UUID::setUUID(const char * raw_uuid){
memcpy(data+8, raw_uuid, 16);
}
std::string UUID::toPrettyString(uint32_t indent){
std::string UUID = getUUID();
if (UUID == "d4807ef2-ca39-4695-8e54-26cb9e46a79f"){
return ((UUID_TrackFragmentReference*)this)->toPrettyString(indent);
}
std::stringstream r;
r << std::string(indent, ' ') << "[uuid] Extension box (" << boxedSize() << ")" << std::endl;
r << std::string(indent + 1, ' ') << "UUID: " << UUID << std::endl;
r << std::string(indent + 1, ' ') << "Unknown UUID - ignoring contents." << std::endl;
return r.str();
}
UUID_TrackFragmentReference::UUID_TrackFragmentReference(){
setUUID((std::string)"d4807ef2-ca39-4695-8e54-26cb9e46a79f");
}
void UUID_TrackFragmentReference::setVersion(uint32_t newVersion){
setInt8(newVersion, 16);
}
uint32_t UUID_TrackFragmentReference::getVersion(){
return getInt8(16);
}
void UUID_TrackFragmentReference::setFlags(uint32_t newFlags){
setInt24(newFlags, 17);
}
uint32_t UUID_TrackFragmentReference::getFlags(){
return getInt24(17);
}
void UUID_TrackFragmentReference::setFragmentCount(uint32_t newCount){
setInt8(newCount, 20);
}
uint32_t UUID_TrackFragmentReference::getFragmentCount(){
return getInt8(20);
}
void UUID_TrackFragmentReference::setTime(size_t num, uint64_t newTime){
if (getVersion() == 0){
setInt32(newTime, 21+(num*8));
}else{
setInt64(newTime, 21+(num*16));
}
}
uint64_t UUID_TrackFragmentReference::getTime(size_t num){
if (getVersion() == 0){
return getInt32(21+(num*8));
}else{
return getInt64(21+(num*16));
}
}
void UUID_TrackFragmentReference::setDuration(size_t num, uint64_t newDuration){
if (getVersion() == 0){
setInt32(newDuration, 21+(num*8)+4);
}else{
setInt64(newDuration, 21+(num*16)+8);
}
}
uint64_t UUID_TrackFragmentReference::getDuration(size_t num){
if (getVersion() == 0){
return getInt32(21+(num*8)+4);
}else{
return getInt64(21+(num*16)+8);
}
}
std::string UUID_TrackFragmentReference::toPrettyString(uint32_t indent){
std::stringstream r;
r << std::string(indent, ' ') << "[d4807ef2-ca39-4695-8e54-26cb9e46a79f] Track Fragment Reference (" << boxedSize() << ")" << std::endl;
r << std::string(indent + 1, ' ') << "Version: " << getVersion() << std::endl;
r << std::string(indent + 1, ' ') << "Fragments: " << getFragmentCount() << std::endl;
int j = getFragmentCount();
for (int i = 0; i < j; ++i){
r << std::string(indent + 2, ' ') << "[" << i << "] Time = " << getTime(i) << ", Duration = " << getDuration(i) << std::endl;
}
return r.str();
}
} }

View file

@ -317,6 +317,33 @@ namespace MP4 {
uint32_t getVersion(); uint32_t getVersion();
void setValue(uint32_t newValue, size_t index); void setValue(uint32_t newValue, size_t index);
uint32_t getValue(size_t index); uint32_t getValue(size_t index);
std::string toPrettyString(uint32_t indent = 0);
}; };
class UUID: public Box{
public:
UUID();
std::string getUUID();
void setUUID(const std::string & uuid_string);
void setUUID(const char * raw_uuid);
std::string toPrettyString(uint32_t indent = 0);
};
class UUID_TrackFragmentReference: public UUID{
public:
UUID_TrackFragmentReference();
void setVersion(uint32_t newVersion);
uint32_t getVersion();
void setFlags(uint32_t newFlags);
uint32_t getFlags();
void setFragmentCount(uint32_t newCount);
uint32_t getFragmentCount();
void setTime(size_t num, uint64_t newTime);
uint64_t getTime(size_t num);
void setDuration(size_t num, uint64_t newDuration);
uint64_t getDuration(size_t num);
std::string toPrettyString(uint32_t indent = 0);
};
} }