Added IrixCLJpegCompressor class which will support JPEG compression via the Irix Compression Library. This version of IrixCLJpegCompressor is just a stub.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2375 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/rfb/IrixCLJpegCompressor.cxx b/common/rfb/IrixCLJpegCompressor.cxx
new file mode 100644
index 0000000..636c333
--- /dev/null
+++ b/common/rfb/IrixCLJpegCompressor.cxx
@@ -0,0 +1,67 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/poll.h>
+
+#include <rfb/IrixCLJpegCompressor.h>
+
+using namespace rfb;
+
+const int IrixCLJpegCompressor::DEFAULT_QUALITY = 75;
+
+//
+// Constructor and destructor.
+//
+
+IrixCLJpegCompressor::IrixCLJpegCompressor()
+ : m_quality(DEFAULT_QUALITY),
+ m_compressedData(0),
+ m_compressedLength(0)
+{
+}
+
+IrixCLJpegCompressor::~IrixCLJpegCompressor()
+{
+ if (m_compressedData)
+ delete[] m_compressedData;
+}
+
+//
+// Set JPEG quality level (1..99)
+//
+
+void
+IrixCLJpegCompressor::setQuality(int level)
+{
+ if (level < 1) {
+ level = 1;
+ } else if (level > 99) {
+ level = 99;
+ }
+ if (level != m_quality) {
+ m_quality = level;
+ }
+}
+
+//
+// Perform JPEG compression.
+//
+// FIXME: This function assumes that pixel format is 32-bit XBGR
+// (depth 24), compatible with IRIX Digital Media libraries.
+//
+
+void
+IrixCLJpegCompressor::compress(const rdr::U32 *buf,
+ const PixelFormat *fmt,
+ int w, int h, int stride)
+{
+ // Discard previous compression results.
+ if (m_compressedData) {
+ delete[] m_compressedData;
+ m_compressedData = 0;
+ }
+ m_compressedLength = 0;
+
+ // FIXME: Do something.
+}
+