More boxes

MP4/box_mdhd.cpp

@@ -0,0 +1,25 @@
+#include "box_mdhd.h"
+
+Box_mdhd::Box_mdhd( ) {
+  Container = new Box( 0x6D646864 );
+}
+
+Box_mdhd::~Box_mdhd() {
+  delete Container;
+}
+
+Box * Box_mdhd::GetBox() {
+  return Container;
+}
+
+void Box_mdhd::SetLanguage( uint8_t Firstchar, uint8_t Secondchar, uint8_t Thirdchar ) {
+  uint8_t FirstByte = 0;
+  uint8_t SecondByte = 0;
+  Firstchar -= 0x60;
+  Secondchar -= 0x60;
+  Thirdchar -= 0x60;
+  FirstByte += (Firstchar << 2);
+  FirstByte += (Secondchar >> 3);
+  SecondByte += (Secondchar << 5);
+  SecondByte += Thirdchar;
+}