/* </summary> */
static const double mct_norms_real[3] = { 1.732, 1.805, 1.573 };
+const OPJ_FLOAT64 * get_mct_norms ()
+{
+ return mct_norms;
+}
+
+const OPJ_FLOAT64 * get_mct_norms_real ()
+{
+ return mct_norms_real;
+}
+
/* <summary> */
/* Foward reversible MCT. */
/* </summary> */
double mct_getnorm_real(int compno) {
return mct_norms_real[compno];
}
+
+
+opj_bool mct_encode_custom(
+ // MCT data
+ OPJ_BYTE * pCodingdata,
+ // size of components
+ OPJ_UINT32 n,
+ // components
+ OPJ_BYTE ** pData,
+ // nb of components (i.e. size of pData)
+ OPJ_UINT32 pNbComp,
+ // tells if the data is signed
+ OPJ_UINT32 isSigned)
+{
+ OPJ_FLOAT32 * lMct = (OPJ_FLOAT32 *) pCodingdata;
+ OPJ_UINT32 i;
+ OPJ_UINT32 j;
+ OPJ_UINT32 k;
+ OPJ_UINT32 lNbMatCoeff = pNbComp * pNbComp;
+ OPJ_INT32 * lCurrentData = 00;
+ OPJ_INT32 * lCurrentMatrix = 00;
+ OPJ_INT32 ** lData = (OPJ_INT32 **) pData;
+ OPJ_UINT32 lMultiplicator = 1 << 13;
+ OPJ_INT32 * lMctPtr;
+
+ lCurrentData = (OPJ_INT32 *) opj_malloc((pNbComp + lNbMatCoeff) * sizeof(OPJ_INT32));
+ if (! lCurrentData) {
+ return OPJ_FALSE;
+ }
+
+ lCurrentMatrix = lCurrentData + pNbComp;
+
+ for (i =0;i<lNbMatCoeff;++i) {
+ lCurrentMatrix[i] = (OPJ_INT32) (*(lMct++) * lMultiplicator);
+ }
+
+ for (i = 0; i < n; ++i) {
+ lMctPtr = lCurrentMatrix;
+ for (j=0;j<pNbComp;++j) {
+ lCurrentData[j] = (*(lData[j]));
+ }
+
+ for (j=0;j<pNbComp;++j) {
+ *(lData[j]) = 0;
+ for (k=0;k<pNbComp;++k) {
+ *(lData[j]) += fix_mul(*lMctPtr, lCurrentData[k]);
+ ++lMctPtr;
+ }
+
+ ++lData[j];
+ }
+ }
+
+ opj_free(lCurrentData);
+
+ return OPJ_TRUE;
+}
+
+opj_bool mct_decode_custom(
+ /* MCT data */
+ OPJ_BYTE * pDecodingData,
+ /* size of components */
+ OPJ_UINT32 n,
+ /* components */
+ OPJ_BYTE ** pData,
+ /* nb of components (i.e. size of pData) */
+ OPJ_UINT32 pNbComp,
+ /* tells if the data is signed */
+ OPJ_UINT32 isSigned)
+{
+ OPJ_FLOAT32 * lMct;
+ OPJ_UINT32 i;
+ OPJ_UINT32 j;
+ OPJ_UINT32 k;
+
+ OPJ_FLOAT32 * lCurrentData = 00;
+ OPJ_FLOAT32 * lCurrentResult = 00;
+ OPJ_FLOAT32 ** lData = (OPJ_FLOAT32 **) pData;
+
+ lCurrentData = (OPJ_FLOAT32 *) opj_malloc (2 * pNbComp * sizeof(OPJ_FLOAT32));
+ if
+ (! lCurrentData)
+ {
+ return OPJ_FALSE;
+ }
+ lCurrentResult = lCurrentData + pNbComp;
+
+ for
+ (i = 0; i < n; ++i)
+ {
+ lMct = (OPJ_FLOAT32 *) pDecodingData;
+ for
+ (j=0;j<pNbComp;++j)
+ {
+ lCurrentData[j] = (OPJ_FLOAT32) (*(lData[j]));
+ }
+ for
+ (j=0;j<pNbComp;++j)
+ {
+ lCurrentResult[j] = 0;
+ for
+ (k=0;k<pNbComp;++k)
+ {
+ lCurrentResult[j] += *(lMct++) * lCurrentData[k];
+ }
+ *(lData[j]++) = (OPJ_FLOAT32) (lCurrentResult[j]);
+ }
+ }
+ opj_free(lCurrentData);
+ return OPJ_TRUE;
+}