AN2121 Freescale Semiconductor / Motorola, AN2121 Datasheet - Page 30

• Manufacturer Part Number: AN2121
• Description: JPEG2000 Arithmetic Encoding on StarCore SC140
• Manufacturer: Freescale Semiconductor / Motorola

/* ======================================================================== */
/* Define these inputs to have different data types */
static uint32 Qe[47] =
{
0x5601UL, 0x3401UL, 0x1801UL, 0x0ac1UL, 0x0521UL, 0x0221UL, 0x5601UL,
0x5401UL, 0x4801UL, 0x3801UL, 0x3001UL, 0x2401UL, 0x1c01UL, 0x1601UL,
0x5601UL, 0x5401UL, 0x5101UL, 0x4801UL, 0x3801UL, 0x3401UL, 0x3001UL,
0x2801UL, 0x2401UL, 0x2201UL, 0x1c01UL, 0x1801UL, 0x1601UL, 0x1401UL,
0x1201UL, 0x1101UL, 0x0ac1UL, 0x09c1UL, 0x08a1UL, 0x0521UL, 0x0441UL,
0x02a1UL, 0x0221UL, 0x0141UL, 0x0111UL, 0x0085UL, 0x0049UL, 0x0025UL,
0x0015UL, 0x0009UL, 0x0005UL, 0x0001UL, 0x5601UL
};
static uint32 SWITCH[47] =
{
};
static uint32 NMPS[47] =
{
};
static uint32 NLPS[47] =
{
};
/* ======================================================================== */
/*
*/
void ArithEncInit()
{
26
Initialize the arithmetic encoder.
See Section C.2.8 and Figure C-10.
param: file - The file to write the output bytes to.
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firstByte = 1;
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int i;
A = 0x8000u;
C = 0;
B = 0;
CT = 12;
/* Initialize all of the contexts (see Table C-6) */
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JPEG2000 Arithmetic Encoding on the StarCore SC140
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/* Assume that the byte prior to starting is 0 */
Freescale Semiconductor, Inc.
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