Norimasa Okamoto
huffmancode to decode in real-time for motion-jpeg
Dependents: BaseJpegDecode_example SimpleJpegDecode_example Dumb_box_rev2
example code:
Import programBaseJpegDecode_example
BaseJpegDeocde exampe program
Last commit 27 Jan 2013 by 
Norimasa Okamoto
Import programSimpleJpegDecode_example
convert JPEG stream data to bitmap, BaseJpegDecode example program
Last commit 02 Feb 2013 by Norimasa Okamoto
Diff: BaseJpegDecode.h
- Revision:
- 0:417b7ae90eff
- Child:
- 1:bfbc18000cca
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/BaseJpegDecode.h Mon Oct 22 13:55:09 2012 +0000
@@ -0,0 +1,33 @@
+#ifndef BASE_JPEG_DECODE_H
+#define BASE_JPEG_DECODE_H
+#include "bjd_config.h"
+#include "HuffmanDecode.h"
+#include "BitPattern.h"
+
+
+class BaseJpegDecode {
+public:
+ BaseJpegDecode();
+ void clear();
+ void input(uint8_t c);
+ void input(uint8_t* buf, int len);
+ virtual void outputDC(int mcu, int block, int value) = 0;
+ virtual void outputAC(int mcu, int block, int scan, int value) = 0;
+ virtual void outputMARK(uint8_t c) = 0;
+private:
+ void inputScan(uint8_t c);
+ void restart();
+protected:
+ int m_seq;
+ int m_mcu;
+ int m_block;
+ int m_scan;
+ Huff* m_huff;
+ int m_old_DC_value[2];
+ BitPattern m_bitpat;
+ int m_skip;
+ uint8_t m_mark;
+ HuffmanDecode* pHD;
+ int m_yblocks;
+};
+#endif // BASE_JPEG_DECODE_H