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Lib ogg added new function

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This commit is contained in:
Oswald de Bruin 2013-06-17 15:55:29 +02:00 • committed by Erik Zandvliet
parent 8cae5f1fc6
commit 04500e4694
2 changed files with 24 additions and 2 deletions
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20
lib/theora.cpp
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@ -33,6 +33,19 @@ namespace theora{
memcpy((char*) &result, data + index, 4);
return ntohl(result);
}
uint16_t header::getInt16(size_t index){
/*if (index + 3 >= datasize){
if ( !reserve(index, 0, 4)){
return 0;
}
setInt32(0, index);
}*/
uint16_t result;
memcpy((char*) &result, data + index, 2);
return ntohs(result);
}
header::header(){
data = NULL;
@ -83,6 +96,13 @@ namespace theora{
};
}
char header::getKFGShift(){
if (getHeaderType() == 0){
return (getInt16(40) >> 5) & 0x1F;
}
return 0;
}
long unsigned int header::getFRN(){
if (getHeaderType() == 0){
return getInt32(22);

6
lib/theora.h
View file

@ -7,10 +7,12 @@ namespace theora{
header();
bool read(char* newData, unsigned int length);
int getHeaderType();
long unsigned int getFRN();
long unsigned int getFRD();
char getKFGShift();
long unsigned int getFRN();//frame rate numerator
long unsigned int getFRD();//frame rate denominator
protected:
uint32_t getInt32(size_t index);
uint16_t getInt16(size_t index);
private:
char* data;
unsigned int datasize;