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Added new functions to OGG

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This commit is contained in:
Oswald de Bruin 2013-06-18 10:29:27 +02:00 • committed by Erik Zandvliet
parent 04500e4694
commit 4ea8fe0327
2 changed files with 32 additions and 0 deletions
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29
lib/theora.cpp
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@ -34,6 +34,21 @@ namespace theora{
return ntohl(result);
}
uint32_t header::getInt24(size_t index){
/*if (index + 3 >= datasize){
if ( !reserve(index, 0, 4)){
return 0;
}
setInt32(0, index);
}*/
uint32_t result = 0;
//memcpy(((char*) &result)+1, data + index, 3);
result += data[index] << 16;
result += data[index+1] << 8;
result += data[index+2];
return result;
}
uint16_t header::getInt16(size_t index){
/*if (index + 3 >= datasize){
if ( !reserve(index, 0, 4)){
@ -109,6 +124,20 @@ namespace theora{
}
return 0;
}
long unsigned int header::getPICH(){
if (getHeaderType() == 0){
return getInt24(17);
}
return 0;
}
long unsigned int header::getPICW(){
if (getHeaderType() == 0){
return getInt24(14);
}
return 0;
}
long unsigned int header::getFRD(){
if (getHeaderType() == 0){

3
lib/theora.h
View file

@ -8,10 +8,13 @@ namespace theora{
bool read(char* newData, unsigned int length);
int getHeaderType();
char getKFGShift();
long unsigned int getPICH();//movie height
long unsigned int getPICW();//movie width
long unsigned int getFRN();//frame rate numerator
long unsigned int getFRD();//frame rate denominator
protected:
uint32_t getInt32(size_t index);
uint32_t getInt24(size_t index);
uint16_t getInt16(size_t index);
private:
char* data;