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src/Source/LibOpenJPEG/mqc.c  view on Meta::CPAN

@param mqc MQC handle
*/
static void opj_mqc_codelps(opj_mqc_t *mqc);
/**
Fill mqc->c with 1's for flushing
@param mqc MQC handle
*/
static void opj_mqc_setbits(opj_mqc_t *mqc);
/**
FIXME DOC
@param mqc MQC handle
@return 
*/
static INLINE OPJ_INT32 opj_mqc_mpsexchange(opj_mqc_t *const mqc);
/**
FIXME DOC
@param mqc MQC handle
@return 
*/
static INLINE OPJ_INT32 opj_mqc_lpsexchange(opj_mqc_t *const mqc);
/**
Input a byte
@param mqc MQC handle
*/
static INLINE void opj_mqc_bytein(opj_mqc_t *const mqc);
/**
Renormalize mqc->a and mqc->c while decoding
@param mqc MQC handle
*/
static INLINE void opj_mqc_renormd(opj_mqc_t *const mqc);
/*@}*/

/*@}*/

/* <summary> */
/* This array defines all the possible states for a context. */
/* </summary> */
static opj_mqc_state_t mqc_states[47 * 2] = {
	{0x5601, 0, &mqc_states[2], &mqc_states[3]},
	{0x5601, 1, &mqc_states[3], &mqc_states[2]},
	{0x3401, 0, &mqc_states[4], &mqc_states[12]},
	{0x3401, 1, &mqc_states[5], &mqc_states[13]},
	{0x1801, 0, &mqc_states[6], &mqc_states[18]},
	{0x1801, 1, &mqc_states[7], &mqc_states[19]},
	{0x0ac1, 0, &mqc_states[8], &mqc_states[24]},
	{0x0ac1, 1, &mqc_states[9], &mqc_states[25]},
	{0x0521, 0, &mqc_states[10], &mqc_states[58]},
	{0x0521, 1, &mqc_states[11], &mqc_states[59]},
	{0x0221, 0, &mqc_states[76], &mqc_states[66]},
	{0x0221, 1, &mqc_states[77], &mqc_states[67]},
	{0x5601, 0, &mqc_states[14], &mqc_states[13]},
	{0x5601, 1, &mqc_states[15], &mqc_states[12]},
	{0x5401, 0, &mqc_states[16], &mqc_states[28]},
	{0x5401, 1, &mqc_states[17], &mqc_states[29]},
	{0x4801, 0, &mqc_states[18], &mqc_states[28]},
	{0x4801, 1, &mqc_states[19], &mqc_states[29]},
	{0x3801, 0, &mqc_states[20], &mqc_states[28]},
	{0x3801, 1, &mqc_states[21], &mqc_states[29]},
	{0x3001, 0, &mqc_states[22], &mqc_states[34]},
	{0x3001, 1, &mqc_states[23], &mqc_states[35]},
	{0x2401, 0, &mqc_states[24], &mqc_states[36]},
	{0x2401, 1, &mqc_states[25], &mqc_states[37]},
	{0x1c01, 0, &mqc_states[26], &mqc_states[40]},
	{0x1c01, 1, &mqc_states[27], &mqc_states[41]},
	{0x1601, 0, &mqc_states[58], &mqc_states[42]},
	{0x1601, 1, &mqc_states[59], &mqc_states[43]},
	{0x5601, 0, &mqc_states[30], &mqc_states[29]},
	{0x5601, 1, &mqc_states[31], &mqc_states[28]},
	{0x5401, 0, &mqc_states[32], &mqc_states[28]},
	{0x5401, 1, &mqc_states[33], &mqc_states[29]},
	{0x5101, 0, &mqc_states[34], &mqc_states[30]},
	{0x5101, 1, &mqc_states[35], &mqc_states[31]},
	{0x4801, 0, &mqc_states[36], &mqc_states[32]},
	{0x4801, 1, &mqc_states[37], &mqc_states[33]},
	{0x3801, 0, &mqc_states[38], &mqc_states[34]},
	{0x3801, 1, &mqc_states[39], &mqc_states[35]},
	{0x3401, 0, &mqc_states[40], &mqc_states[36]},
	{0x3401, 1, &mqc_states[41], &mqc_states[37]},
	{0x3001, 0, &mqc_states[42], &mqc_states[38]},
	{0x3001, 1, &mqc_states[43], &mqc_states[39]},
	{0x2801, 0, &mqc_states[44], &mqc_states[38]},
	{0x2801, 1, &mqc_states[45], &mqc_states[39]},
	{0x2401, 0, &mqc_states[46], &mqc_states[40]},
	{0x2401, 1, &mqc_states[47], &mqc_states[41]},
	{0x2201, 0, &mqc_states[48], &mqc_states[42]},
	{0x2201, 1, &mqc_states[49], &mqc_states[43]},
	{0x1c01, 0, &mqc_states[50], &mqc_states[44]},
	{0x1c01, 1, &mqc_states[51], &mqc_states[45]},
	{0x1801, 0, &mqc_states[52], &mqc_states[46]},
	{0x1801, 1, &mqc_states[53], &mqc_states[47]},
	{0x1601, 0, &mqc_states[54], &mqc_states[48]},
	{0x1601, 1, &mqc_states[55], &mqc_states[49]},
	{0x1401, 0, &mqc_states[56], &mqc_states[50]},
	{0x1401, 1, &mqc_states[57], &mqc_states[51]},
	{0x1201, 0, &mqc_states[58], &mqc_states[52]},
	{0x1201, 1, &mqc_states[59], &mqc_states[53]},
	{0x1101, 0, &mqc_states[60], &mqc_states[54]},
	{0x1101, 1, &mqc_states[61], &mqc_states[55]},
	{0x0ac1, 0, &mqc_states[62], &mqc_states[56]},
	{0x0ac1, 1, &mqc_states[63], &mqc_states[57]},
	{0x09c1, 0, &mqc_states[64], &mqc_states[58]},
	{0x09c1, 1, &mqc_states[65], &mqc_states[59]},
	{0x08a1, 0, &mqc_states[66], &mqc_states[60]},
	{0x08a1, 1, &mqc_states[67], &mqc_states[61]},
	{0x0521, 0, &mqc_states[68], &mqc_states[62]},
	{0x0521, 1, &mqc_states[69], &mqc_states[63]},
	{0x0441, 0, &mqc_states[70], &mqc_states[64]},
	{0x0441, 1, &mqc_states[71], &mqc_states[65]},
	{0x02a1, 0, &mqc_states[72], &mqc_states[66]},
	{0x02a1, 1, &mqc_states[73], &mqc_states[67]},
	{0x0221, 0, &mqc_states[74], &mqc_states[68]},
	{0x0221, 1, &mqc_states[75], &mqc_states[69]},
	{0x0141, 0, &mqc_states[76], &mqc_states[70]},
	{0x0141, 1, &mqc_states[77], &mqc_states[71]},
	{0x0111, 0, &mqc_states[78], &mqc_states[72]},
	{0x0111, 1, &mqc_states[79], &mqc_states[73]},
	{0x0085, 0, &mqc_states[80], &mqc_states[74]},
	{0x0085, 1, &mqc_states[81], &mqc_states[75]},
	{0x0049, 0, &mqc_states[82], &mqc_states[76]},
	{0x0049, 1, &mqc_states[83], &mqc_states[77]},
	{0x0025, 0, &mqc_states[84], &mqc_states[78]},
	{0x0025, 1, &mqc_states[85], &mqc_states[79]},
	{0x0015, 0, &mqc_states[86], &mqc_states[80]},
	{0x0015, 1, &mqc_states[87], &mqc_states[81]},
	{0x0009, 0, &mqc_states[88], &mqc_states[82]},
	{0x0009, 1, &mqc_states[89], &mqc_states[83]},
	{0x0005, 0, &mqc_states[90], &mqc_states[84]},
	{0x0005, 1, &mqc_states[91], &mqc_states[85]},
	{0x0001, 0, &mqc_states[90], &mqc_states[86]},
	{0x0001, 1, &mqc_states[91], &mqc_states[87]},
	{0x5601, 0, &mqc_states[92], &mqc_states[92]},
	{0x5601, 1, &mqc_states[93], &mqc_states[93]},
};

/* 
==========================================================
   local functions
==========================================================
*/

void opj_mqc_byteout(opj_mqc_t *mqc) {
	if (*mqc->bp == 0xff) {
		mqc->bp++;
		*mqc->bp = (OPJ_BYTE)(mqc->c >> 20);