1 files changed, 48 insertions, 0 deletions

diff --git a/common/stream.cpp b/common/stream.cpp
index e151c058ce..11cce2a4cd 100644
--- a/common/stream.cpp
+++ b/common/stream.cpp
@@ -34,12 +34,24 @@ byte ReadStream::readByte() {
 	return b;
 }
 
+int8 ReadStream::readSByte() {
+	int8 b = 0;
+	read(&b, 1);
+	return b;
+}
+
 uint16 ReadStream::readUint16LE() {
 	uint16 a = readByte();
 	uint16 b = readByte();
 	return a | (b << 8);
 }
 
+uint32 ReadStream::readUint24LE() {
+	uint32 a = readUint16LE();
+	uint32 b = readByte();
+	return (b << 16) | a;
+}
+
 uint32 ReadStream::readUint32LE() {
 	uint32 a = readUint16LE();
 	uint32 b = readUint16LE();
@@ -52,6 +64,12 @@ uint16 ReadStream::readUint16BE() {
 	return a | (b << 8);
 }
 
+uint32 ReadStream::readUint24BE() {
+	uint32 b = readByte();
+	uint32 a = readUint16BE();
+	return (b << 16) | a;
+}
+
 uint32 ReadStream::readUint32BE() {
 	uint32 b = readUint16BE();
 	uint32 a = readUint16BE();
@@ -63,6 +81,10 @@ int16 ReadStream::readSint16LE() {
 	return (int16)readUint16LE();
 }
 
+int32 ReadStream::readSint24LE() {
+	return (int32)readUint24LE();
+}
+
 int32 ReadStream::readSint32LE() {
 	return (int32)readUint32LE();
 }
@@ -71,6 +93,10 @@ int16 ReadStream::readSint16BE() {
 	return (int16)readUint16BE();
 }
 
+int32 ReadStream::readSint24BE() {
+	return (int32)readUint24BE();
+}
+
 int32 ReadStream::readSint32BE() {
 	return (int32)readUint32BE();
 }
@@ -81,11 +107,20 @@ void WriteStream::writeByte(byte value) {
 	write(&value, 1);
 }
 
+void WriteStream::writeSByte(int8 value) {
+	write(&value, 1);
+}
+
 void WriteStream::writeUint16LE(uint16 value) {
 	writeByte((byte)(value & 0xff));
 	writeByte((byte)(value >> 8));
 }
 
+void WriteStream::writeUint24LE(uint32 value) {
+	writeUint16LE((uint16)(value & 0xffff));
+	writeByte((byte)(value >> 16));
+}
+
 void WriteStream::writeUint32LE(uint32 value) {
 	writeUint16LE((uint16)(value & 0xffff));
 	writeUint16LE((uint16)(value >> 16));
@@ -96,6 +131,11 @@ void WriteStream::writeUint16BE(uint16 value) {
 	writeByte((byte)(value & 0xff));
 }
 
+void WriteStream::writeUint24BE(uint32 value) {
+	writeByte((byte)(value >> 16));
+	writeUint16BE((uint16)(value & 0xffff));
+}
+
 void WriteStream::writeUint32BE(uint32 value) {
 	writeUint16BE((uint16)(value >> 16));
 	writeUint16BE((uint16)(value & 0xffff));
@@ -106,6 +146,10 @@ void WriteStream::writeSint16LE(int16 value) {
 	writeUint16LE((uint16)value);
 }
 
+void WriteStream::writeSint24LE(int32 value) {
+	writeUint24LE((uint32)value);
+}
+
 void WriteStream::writeSint32LE(int32 value) {
 	writeUint32LE((uint32)value);
 }
@@ -114,6 +158,10 @@ void WriteStream::writeSint16BE(int16 value) {
 	writeUint16BE((uint16)value);
 }
 
+void WriteStream::writeSint24BE(int32 value) {
+	writeUint24BE((uint32)value);
+}
+
 void WriteStream::writeSint32BE(int32 value) {
 	writeUint32BE((uint32)value);
 }