Norimasa Okamoto / BaseJpegDecode

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:
1:bfbc18000cca
Parent:
0:417b7ae90eff
Child:
2:5b1dd4e34857
--- a/BaseJpegDecode.h	Mon Oct 22 13:55:09 2012 +0000
+++ b/BaseJpegDecode.h	Thu Oct 25 11:00:05 2012 +0000
@@ -4,7 +4,6 @@
 #include "HuffmanDecode.h"
 #include "BitPattern.h"
 
-
 class BaseJpegDecode {
 public:
     BaseJpegDecode();
@@ -14,7 +13,18 @@
     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;
+    uint8_t* qt[2];
+    int width;
+    int height;
+    int m_yblocks;
+#ifdef JPEG_USE_REPORT_CODE
+    int report_scan_count;
+    int report_scan_dc_count;
+    int report_scan_ac_count;
+#endif //JPEG_USE_REPORT
 private:
+    void inputDQT(uint8_t c, int pos, int len);
+    void inputSOF(uint8_t c, int pos, int len);
     void inputScan(uint8_t c);
     void restart();
 protected:
@@ -25,9 +35,10 @@
     Huff* m_huff;
     int m_old_DC_value[2];
     BitPattern m_bitpat;
-    int m_skip;
     uint8_t m_mark;
     HuffmanDecode* pHD;
-    int m_yblocks;
+    int m_seg_pos;
+    int m_seg_len;
+    int m_param1;
 };
 #endif // BASE_JPEG_DECODE_H