Merge branch 'master' into alsa

1 files changed, 531 insertions, 531 deletions

diff --git a/mot-encoder.c b/mot-encoder.c
index 7325cee..a60a39a 100644
--- a/mot-encoder.c
+++ b/mot-encoder.c
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2014 CSP Innovazione nelle ICT s.c.a r.l. (http://www.csp.it/)
+    Copyright (C) 2014 CSP Innovazione nelle ICT s.c.a r.l. (http://rd.csp.it/)
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -43,40 +43,40 @@ typedef unsigned char UCHAR;
 typedef unsigned short int USHORT;
 
 typedef struct {
-	// MSC Data Group Header (extension field not supported)
-	unsigned char extflag;		//  1 bit
-	unsigned char crcflag;		//  1 bit
-	unsigned char segflag;		//  1 bit
-	unsigned char accflag;		//  1 bit
-	unsigned char dgtype;		//  4 bits
-	unsigned char cindex;		//  4 bits
-	unsigned char rindex;		//  4 bits
-	/// Session header - Segment field
-	unsigned char last;			//  1 bit
-	unsigned short int segnum;		// 16 bits
-	// Session header - User access field
-	unsigned char rfa;			//  3 bits
-	unsigned char tidflag;		//  1 bit
-	unsigned char lenid;		//  4 bits - Fixed to value 2 in this implemntation
-	unsigned short int tid;		// 16 bits
-	// MSC data group data field
-	//  Mot Segmentation header
-	unsigned char rcount;		//  3 bits
-	unsigned short int seglen;		// 13 bits
-	// Mot segment
-	unsigned char* segdata;
-	// MSC data group CRC
-	unsigned short int crc;		// 16 bits
+    // MSC Data Group Header (extension field not supported)
+    unsigned char extflag;      //  1 bit
+    unsigned char crcflag;      //  1 bit
+    unsigned char segflag;      //  1 bit
+    unsigned char accflag;      //  1 bit
+    unsigned char dgtype;       //  4 bits
+    unsigned char cindex;       //  4 bits
+    unsigned char rindex;       //  4 bits
+    /// Session header - Segment field
+    unsigned char last;         //  1 bit
+    unsigned short int segnum;      // 16 bits
+    // Session header - User access field
+    unsigned char rfa;          //  3 bits
+    unsigned char tidflag;      //  1 bit
+    unsigned char lenid;        //  4 bits - Fixed to value 2 in this implemntation
+    unsigned short int tid;     // 16 bits
+    // MSC data group data field
+    //  Mot Segmentation header
+    unsigned char rcount;       //  3 bits
+    unsigned short int seglen;      // 13 bits
+    // Mot segment
+    unsigned char* segdata;
+    // MSC data group CRC
+    unsigned short int crc;     // 16 bits
 } MSCDG;
 /*
    typedef struct {
 // MOT HEADER CUSTOMIZED FOR SLIDESHOW APP
-unsigned int bodysize;		// 28 bits
-unsigned short int headsize;	// 13 bits
-unsigned char ctype;		//  6 bits
-unsigned char sctype;		//  9 bits
-unsigned char triggertime[5];	// 0x85 0x00 0x00 0x00 0x00 => NOW
-unsigned char contname[14];		// 0xCC 0x0C 0x00 imgXXXX.jpg
+unsigned int bodysize;      // 28 bits
+unsigned short int headsize;    // 13 bits
+unsigned char ctype;        //  6 bits
+unsigned char sctype;       //  9 bits
+unsigned char triggertime[5];   // 0x85 0x00 0x00 0x00 0x00 => NOW
+unsigned char contname[14];     // 0xCC 0x0C 0x00 imgXXXX.jpg
 } MOTSLIDEHDR;
 */
 int encodeFile (char* fname, int fidx, int padlen);
@@ -89,550 +89,550 @@ void writeDLS(int padlen);
 
 void usage(char* name)
 {
-	fprintf(stderr, "DAB MOT encoder\n"
-					"for slideshow and DLS\n\n"
-					"By CSP Innovazione nelle ICT s.c.a r.l. (http://www.csp.it/)\n\n"
-					"Reads image data from the specified directory, and outputs PAD data\n"
-					"on standard output\n"
-					"Reads DLS from /tmp/dls.file\n");
-	fprintf(stderr, "Usage: %s <dirname>\n", name);
+    fprintf(stderr, "DAB MOT encoder\n"
+                    "for slideshow and DLS\n\n"
+                    "By CSP Innovazione nelle ICT s.c.a r.l. (http://rd.csp.it/)\n\n"
+                    "Reads image data from the specified directory, and outputs PAD data\n"
+                    "on standard output\n"
+                    "Reads DLS from /tmp/dls.file\n");
+    fprintf(stderr, "Usage: %s <dirname>\n", name);
 }
 
 int main (int argc, char *argv[])
 {
-	int len,fidx,ret;
-	struct dirent *pDirent;
-	DIR *pDir;
-	char imagepath[128];
-	char dlstext[MAXDLS],dlstextprev[MAXDLS];
-	int padlen=53;
-
-
-	if (argc < 2) {
-		usage(argv[0]);
-		return 0;
-	}
-
-	MagickWandGenesis();
-
-	fidx=0;
-	while(1) {
-		pDir = opendir (argv[1]);
-		if (pDir == NULL) {
-			printf ("Cannot open directory '%s'\n", argv[1]);
-			return 1;
-		}
-		if (fidx == 9999) fidx=0;
-		while ((pDirent = readdir(pDir)) != NULL) {
-			if (pDirent->d_name[0]!='.') {
-				sprintf (imagepath,"%s/%s",argv[1],pDirent->d_name);
-				ret=encodeFile(imagepath, fidx, padlen);
-				if (ret!=1) {
-					fprintf(stderr,"Error - Cannot encode file %s\n",pDirent->d_name);
-				} else {
-					fidx++;
-					writeDLS(padlen);
-					sleep(10);
-				}
-			}
-		}
-		closedir (pDir);
-	}
-	return 1;
+    int len,fidx,ret;
+    struct dirent *pDirent;
+    DIR *pDir;
+    char imagepath[128];
+    char dlstext[MAXDLS],dlstextprev[MAXDLS];
+    int padlen=53;
+
+
+    if (argc < 2) {
+        usage(argv[0]);
+        return 0;
+    }
+
+    MagickWandGenesis();
+
+    fidx=0;
+    while(1) {
+        pDir = opendir (argv[1]);
+        if (pDir == NULL) {
+            printf ("Cannot open directory '%s'\n", argv[1]);
+            return 1;
+        }
+        if (fidx == 9999) fidx=0;
+        while ((pDirent = readdir(pDir)) != NULL) {
+            if (pDirent->d_name[0]!='.') {
+                sprintf (imagepath,"%s/%s",argv[1],pDirent->d_name);
+                ret=encodeFile(imagepath, fidx, padlen);
+                if (ret!=1) {
+                    fprintf(stderr,"Error - Cannot encode file %s\n",pDirent->d_name);
+                } else {
+                    fidx++;
+                    writeDLS(padlen);
+                    sleep(10);
+                }
+            }
+        }
+        closedir (pDir);
+    }
+    return 1;
 }
 
 int encodeFile (char* fname, int fidx, int padlen)
 {
-	int fd=0,ret,mothdrlen,nseg,lastseglen,i,last,curseglen;
-	unsigned char mothdr[32];
-	MagickWand *m_wand = NULL;
-	PixelWand  *p_wand = NULL;
-	size_t blobsize,height,width;
-	unsigned char *blob = NULL, *curseg = NULL;
-	MagickBooleanType err;
-	MSCDG msc;
-	unsigned char mscblob[8200];
-	unsigned short int mscblobsize;
-	//float aspectRatio;
-
-
-	m_wand = NewMagickWand();
-	p_wand = NewPixelWand();
-	PixelSetColor(p_wand,"black");
-
-	err = MagickReadImage(m_wand,fname);
-	if (err==MagickFalse) {
-		fprintf(stderr,"Error - Unable to load image %s\n",fname);
-		ret=0;
-		goto RETURN;
-	}
-
-	height=MagickGetImageHeight(m_wand);
-	width=MagickGetImageWidth(m_wand);
-	//aspectRatio = (width * 1.0)/height;
-
-	fprintf(stderr,"Image: %s (id=%d). Original size: %d x %d. ",fname,fidx,width,height);
-
-	while (height>240 || width>320) {
-		if (height/240.0 > width/320.0) {
-			//width = height * aspectRatio;
-			width = width * 240.0 / height;
-			height = 240;
-		}
-		else {
-			//height = width * (1.0/aspectRatio);
-			height = height * 320.0 / width;
-			width = 320;
-		}
-		MagickResizeImage(m_wand,width,height,LanczosFilter,1);
-	}
-
-
-
-	height=MagickGetImageHeight(m_wand);
-	width=MagickGetImageWidth(m_wand);
-
-	MagickBorderImage(m_wand,p_wand,(320-width)/2,(240-height)/2);
-
-	MagickSetImageCompressionQuality(m_wand,75);
-	MagickSetImageFormat(m_wand,"jpg");
-	blob=MagickGetImagesBlob(m_wand, &blobsize);
-	fprintf(stderr,"Resized to %d x %d. Size after compression %d bytes\n",width,height,blobsize);
-
-	nseg=blobsize / MAXSEGLEN;
-	lastseglen=blobsize % MAXSEGLEN;
-	if (lastseglen !=0) nseg++;
-
-	createMotHeader(blobsize,fidx,mothdr,&mothdrlen);
-	// Create the MSC Data Group C-Structure
-	createMscDG(&msc,3,0,1,fidx,mothdr,mothdrlen);
-	// Generate the MSC DG frame (Figure 9 en 300 401)
-	packMscDG(mscblob,&msc,&mscblobsize);
-	writeMotPAD(mscblob,mscblobsize,padlen);
-
-	for (i=0;i<nseg;i++) {
-		curseg=blob+i*MAXSEGLEN;
-		if (i==nseg-1) {
-			curseglen=lastseglen;
-			last=1;
-		}
-		else { 
-			curseglen=MAXSEGLEN;
-			last=0;
-		}
-
-		createMscDG(&msc,4,i,last,fidx,curseg,curseglen);
-		packMscDG(mscblob,&msc,&mscblobsize);
-		writeMotPAD(mscblob,mscblobsize,padlen);
-	}
-
-	ret=1;
+    int fd=0,ret,mothdrlen,nseg,lastseglen,i,last,curseglen;
+    unsigned char mothdr[32];
+    MagickWand *m_wand = NULL;
+    PixelWand  *p_wand = NULL;
+    size_t blobsize,height,width;
+    unsigned char *blob = NULL, *curseg = NULL;
+    MagickBooleanType err;
+    MSCDG msc;
+    unsigned char mscblob[8200];
+    unsigned short int mscblobsize;
+    //float aspectRatio;
+
+
+    m_wand = NewMagickWand();
+    p_wand = NewPixelWand();
+    PixelSetColor(p_wand,"black");
+
+    err = MagickReadImage(m_wand,fname);
+    if (err==MagickFalse) {
+        fprintf(stderr,"Error - Unable to load image %s\n",fname);
+        ret=0;
+        goto RETURN;
+    }
+
+    height=MagickGetImageHeight(m_wand);
+    width=MagickGetImageWidth(m_wand);
+    //aspectRatio = (width * 1.0)/height;
+
+    fprintf(stderr,"Image: %s (id=%d). Original size: %d x %d. ",fname,fidx,width,height);
+
+    while (height>240 || width>320) {
+        if (height/240.0 > width/320.0) {
+            //width = height * aspectRatio;
+            width = width * 240.0 / height;
+            height = 240;
+        }
+        else {
+            //height = width * (1.0/aspectRatio);
+            height = height * 320.0 / width;
+            width = 320;
+        }
+        MagickResizeImage(m_wand,width,height,LanczosFilter,1);
+    }
+
+
+
+    height=MagickGetImageHeight(m_wand);
+    width=MagickGetImageWidth(m_wand);
+
+    MagickBorderImage(m_wand,p_wand,(320-width)/2,(240-height)/2);
+
+    MagickSetImageCompressionQuality(m_wand,75);
+    MagickSetImageFormat(m_wand,"jpg");
+    blob=MagickGetImagesBlob(m_wand, &blobsize);
+    fprintf(stderr,"Resized to %d x %d. Size after compression %d bytes\n",width,height,blobsize);
+
+    nseg=blobsize / MAXSEGLEN;
+    lastseglen=blobsize % MAXSEGLEN;
+    if (lastseglen !=0) nseg++;
+
+    createMotHeader(blobsize,fidx,mothdr,&mothdrlen);
+    // Create the MSC Data Group C-Structure
+    createMscDG(&msc,3,0,1,fidx,mothdr,mothdrlen);
+    // Generate the MSC DG frame (Figure 9 en 300 401)
+    packMscDG(mscblob,&msc,&mscblobsize);
+    writeMotPAD(mscblob,mscblobsize,padlen);
+
+    for (i=0;i<nseg;i++) {
+        curseg=blob+i*MAXSEGLEN;
+        if (i==nseg-1) {
+            curseglen=lastseglen;
+            last=1;
+        }
+        else { 
+            curseglen=MAXSEGLEN;
+            last=0;
+        }
+
+        createMscDG(&msc,4,i,last,fidx,curseg,curseglen);
+        packMscDG(mscblob,&msc,&mscblobsize);
+        writeMotPAD(mscblob,mscblobsize,padlen);
+    }
+
+    ret=1;
 
 RETURN:
-	if (m_wand) {
-		m_wand = DestroyMagickWand(m_wand);
-	}
-	if (blob) {
-		free(blob);
-	}
-	return ret;
+    if (m_wand) {
+        m_wand = DestroyMagickWand(m_wand);
+    }
+    if (blob) {
+        free(blob);
+    }
+    return ret;
 }
 
 
 void createMotHeader(size_t blobsize, int fidx, char* mothdr,int* mothdrlen)
 {
-	int ret;
-	struct stat s;
-	char MotHeaderCore[7]= {0x00,0x00,0x00,0x00,0x0D,0x04,0x01};
-	char MotHeaderExt[19]= {0x85,0x00,0x00,0x00,0x00,0xcc,0x0c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
-	char cntemp[12];
-	int i;
-
-	MotHeaderCore[0]=(blobsize<<4 & 0xFF000000)>>24;
-	MotHeaderCore[1]=(blobsize<<4 & 0x00FF0000)>>16;
-	MotHeaderCore[2]=(blobsize<<4 & 0x0000FF00)>>8;
-	MotHeaderCore[3]=(blobsize<<4 & 0x000000FF);
-
-	sprintf(cntemp,"img%04d.jpg",fidx);
-	for (i=0; i<sizeof(cntemp); i++) {
-		MotHeaderExt[8+i]=cntemp[i];
-	}
-	*mothdrlen=26;
-	for (i=0;i<7;i++)
-		mothdr[i]=MotHeaderCore[i];
-	for (i=0;i<19;i++)
-		mothdr[7+i]=MotHeaderExt[i];
-
-	return;
+    int ret;
+    struct stat s;
+    char MotHeaderCore[7]= {0x00,0x00,0x00,0x00,0x0D,0x04,0x01};
+    char MotHeaderExt[19]= {0x85,0x00,0x00,0x00,0x00,0xcc,0x0c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+    char cntemp[12];
+    int i;
+
+    MotHeaderCore[0]=(blobsize<<4 & 0xFF000000)>>24;
+    MotHeaderCore[1]=(blobsize<<4 & 0x00FF0000)>>16;
+    MotHeaderCore[2]=(blobsize<<4 & 0x0000FF00)>>8;
+    MotHeaderCore[3]=(blobsize<<4 & 0x000000FF);
+
+    sprintf(cntemp,"img%04d.jpg",fidx);
+    for (i=0; i<sizeof(cntemp); i++) {
+        MotHeaderExt[8+i]=cntemp[i];
+    }
+    *mothdrlen=26;
+    for (i=0;i<7;i++)
+        mothdr[i]=MotHeaderCore[i];
+    for (i=0;i<19;i++)
+        mothdr[7+i]=MotHeaderExt[i];
+
+    return;
 }
 
 void createMscDG(MSCDG* msc, unsigned short int dgtype, unsigned short int cindex, unsigned short int lastseg, unsigned short int tid, unsigned char* data, unsigned short int datalen)
 {
-	msc->extflag=0;
-	msc->crcflag=1;
-	msc->segflag=1;
-	msc->accflag=1;
-	msc->dgtype=dgtype; 
-	msc->cindex=cindex;
-	msc->rindex=0;
-	msc->last=lastseg;
-	msc->segnum=cindex;
-	msc->rfa=0;
-	msc->tidflag=1;
-	msc->lenid=2;
-	msc->tid=tid;
-	msc->segdata=data;
-	msc->rcount=0;
-	msc->seglen=datalen;
-
-	return;
+    msc->extflag=0;
+    msc->crcflag=1;
+    msc->segflag=1;
+    msc->accflag=1;
+    msc->dgtype=dgtype; 
+    msc->cindex=cindex;
+    msc->rindex=0;
+    msc->last=lastseg;
+    msc->segnum=cindex;
+    msc->rfa=0;
+    msc->tidflag=1;
+    msc->lenid=2;
+    msc->tid=tid;
+    msc->segdata=data;
+    msc->rcount=0;
+    msc->seglen=datalen;
+
+    return;
 }
 
 
 void packMscDG(unsigned char* b, MSCDG* msc, unsigned short int* bsize) {
 
-	int i;
-	unsigned short int crc=0xFFFF;
+    int i;
+    unsigned short int crc=0xFFFF;
 
-	b[0]=(msc->extflag<<7)|(msc->crcflag<<6)|(msc->segflag<<5)|(msc->accflag<<4)|msc->dgtype;
-	b[1]=(msc->cindex<<4)|msc->rindex;
-	b[2]=(msc->last<<7)|((msc->segnum & 0x7F00)>>8);
-	b[3]=msc->segnum & 0x00FF;
-	b[4]=0;
-	b[4]=(msc->rfa<<5)|(msc->tidflag<<4)|msc->lenid;
-	b[5]=(msc->tid & 0xFF00)>>8;
-	b[6]=msc->tid & 0x00FF;
-	b[7]=(msc->rcount<<5)|((msc->seglen & 0x1F00)>>8);
-	b[8]=msc->seglen & 0x00FF;
+    b[0]=(msc->extflag<<7)|(msc->crcflag<<6)|(msc->segflag<<5)|(msc->accflag<<4)|msc->dgtype;
+    b[1]=(msc->cindex<<4)|msc->rindex;
+    b[2]=(msc->last<<7)|((msc->segnum & 0x7F00)>>8);
+    b[3]=msc->segnum & 0x00FF;
+    b[4]=0;
+    b[4]=(msc->rfa<<5)|(msc->tidflag<<4)|msc->lenid;
+    b[5]=(msc->tid & 0xFF00)>>8;
+    b[6]=msc->tid & 0x00FF;
+    b[7]=(msc->rcount<<5)|((msc->seglen & 0x1F00)>>8);
+    b[8]=msc->seglen & 0x00FF;
 
-	for (i=0;i<9;i++)
-		crc = update_crc_ccitt(crc, b[i]);
+    for (i=0;i<9;i++)
+        crc = update_crc_ccitt(crc, b[i]);
 
-	for(i=0;i<msc->seglen;i++) {
-		b[i+9]=(msc->segdata)[i];
-		crc = update_crc_ccitt(crc, b[i+9]);
-	}
+    for(i=0;i<msc->seglen;i++) {
+        b[i+9]=(msc->segdata)[i];
+        crc = update_crc_ccitt(crc, b[i+9]);
+    }
 
-	crc=~crc;
-	b[9+msc->seglen] = (crc & 0xFF00) >> 8;     // HI CRC
-	b[9+msc->seglen+1] = crc & 0x00FF;          // LO CRC
+    crc=~crc;
+    b[9+msc->seglen] = (crc & 0xFF00) >> 8;     // HI CRC
+    b[9+msc->seglen+1] = crc & 0x00FF;          // LO CRC
 
-	*bsize=9+msc->seglen+1+1;
+    *bsize=9+msc->seglen+1+1;
 
-	//write(1,b,9+msc->seglen+1+1);
+    //write(1,b,9+msc->seglen+1+1);
 
 }
 
 
 void writeMotPAD(unsigned char* mscdg, unsigned short int mscdgsize, unsigned short int padlen) {
 
-	unsigned char pad[128];
-	int xpadlengthmask,i,j,numseg,lastseglen;
-	unsigned short int crc;
-
-
-	if (padlen==17)
-		xpadlengthmask=3;
-	else if (padlen==21)
-		xpadlengthmask=4;
-	else if (padlen==29)
-		xpadlengthmask=5;
-	else if (padlen==37)
-		xpadlengthmask=6;
-	else if (padlen==53)
-		xpadlengthmask=7;
-
-
-	// Write Data Group Length Indicator
-	crc = 0xffff;
-	pad[padlen-1]=0x02;                                                        // FF-PAD Byte L (CI=1)
-	pad[padlen-2]=0x20;                                                        // FF-PAD Byte L-1 (Variable size X_PAD)
-	pad[padlen-3]=(xpadlengthmask<<5) | 0x01;                                  // CI => data length = 12 (011) - Application Type=2 (DLS - start of X-PAD data group)
-	pad[padlen-4]=0x00;                                                        // End of CI list
-	pad[padlen-5]=(mscdgsize & 0x3F00)>>8;					   // RFA+HI Data group length
-	pad[padlen-6]=(mscdgsize & 0x00FF); 
-	crc = update_crc_ccitt(crc, pad[padlen-5]);
-	crc = update_crc_ccitt(crc, pad[padlen-6]);
-	crc = ~crc;
-	pad[padlen-7]=(crc & 0xFF00) >> 8;     					   // HI CRC
-	pad[padlen-8]=(crc & 0x00FF);                           	           // LO CRC
-	for (i=padlen-9;i>=0;i--) { 				                   // NULL PADDING
-		pad[i]=0x00;
-	}	
-	write(STDOUT_FILENO,pad,padlen);
-	//fprintf(stderr,"Data Group Length Indicator: ");
-	//for (i=0;i<padlen;i++) fprintf(stderr,"%02x ",pad[i]);
-	//fprintf(stderr,"\n");
-
-	// Write MSC Data Groupsd
-	numseg=mscdgsize / (padlen-5);
-	lastseglen=mscdgsize % (padlen-5);
-	if (lastseglen > 0) {
-		numseg++;              // The last incomplete segment
-	}
-
-	for (i=0;i<numseg;i++) {
-
-		char* curseg;
-		int curseglen;
-		UCHAR firstseg;
-
-		curseg = &mscdg[i*(padlen-5)];
-		//fprintf(stderr,"Segment number %d\n",i+1);
-
-		if (i==0)               // First segment
-			firstseg=1;
-		else
-			firstseg=0;
-
-		if (i==numseg-1) {      //Last segment
-			if (lastseglen!=0)
-				curseglen=lastseglen;
-			else
-				curseglen=padlen-5;
-		} else {
-			curseglen=padlen-5;
-		}
-
-		pad[padlen-1]=0x02;                                                        // FF-PAD Byte L (CI=1)
-		pad[padlen-2]=0x20;                                                        // FF-PAD Byte L-1 (Variable size X_PAD)
-		if (firstseg==1)
-			pad[padlen-3]=(xpadlengthmask<<5) | 12;                                  // CI => data length = 12 (011) - Application Type=12 (start of MOT)
-		else
-			pad[padlen-3]=(xpadlengthmask<<5) | 13;                                  // CI => data length = 12 (011) - Application Type=13 (MOT)
-
-		pad[padlen-4]=0x00;                                                        // End of CI list
-
-		for (j=0; j<curseglen; j++)
-			pad[padlen-5-j]=curseg[j];
-		for (j=padlen-5-curseglen;j>=0;j--)
-			pad[j]=0x00;
-
-		write(STDOUT_FILENO,pad,padlen);
-		//fprintf(stderr,"MSC Data Group - Segment %d: ",i);
-		//for (j=0;j<padlen;j++) fprintf(stderr,"%02x ",pad[j]);
-		//        fprintf(stderr,"\n");
-
-	}
+    unsigned char pad[128];
+    int xpadlengthmask,i,j,numseg,lastseglen;
+    unsigned short int crc;
+
+
+    if (padlen==17)
+        xpadlengthmask=3;
+    else if (padlen==21)
+        xpadlengthmask=4;
+    else if (padlen==29)
+        xpadlengthmask=5;
+    else if (padlen==37)
+        xpadlengthmask=6;
+    else if (padlen==53)
+        xpadlengthmask=7;
+
+
+    // Write Data Group Length Indicator
+    crc = 0xffff;
+    pad[padlen-1]=0x02;                                                        // FF-PAD Byte L (CI=1)
+    pad[padlen-2]=0x20;                                                        // FF-PAD Byte L-1 (Variable size X_PAD)
+    pad[padlen-3]=(xpadlengthmask<<5) | 0x01;                                  // CI => data length = 12 (011) - Application Type=2 (DLS - start of X-PAD data group)
+    pad[padlen-4]=0x00;                                                        // End of CI list
+    pad[padlen-5]=(mscdgsize & 0x3F00)>>8;                     // RFA+HI Data group length
+    pad[padlen-6]=(mscdgsize & 0x00FF); 
+    crc = update_crc_ccitt(crc, pad[padlen-5]);
+    crc = update_crc_ccitt(crc, pad[padlen-6]);
+    crc = ~crc;
+    pad[padlen-7]=(crc & 0xFF00) >> 8;                         // HI CRC
+    pad[padlen-8]=(crc & 0x00FF);                                          // LO CRC
+    for (i=padlen-9;i>=0;i--) {                                    // NULL PADDING
+        pad[i]=0x00;
+    }   
+    write(STDOUT_FILENO,pad,padlen);
+    //fprintf(stderr,"Data Group Length Indicator: ");
+    //for (i=0;i<padlen;i++) fprintf(stderr,"%02x ",pad[i]);
+    //fprintf(stderr,"\n");
+
+    // Write MSC Data Groupsd
+    numseg=mscdgsize / (padlen-5);
+    lastseglen=mscdgsize % (padlen-5);
+    if (lastseglen > 0) {
+        numseg++;              // The last incomplete segment
+    }
+
+    for (i=0;i<numseg;i++) {
+
+        char* curseg;
+        int curseglen;
+        UCHAR firstseg;
+
+        curseg = &mscdg[i*(padlen-5)];
+        //fprintf(stderr,"Segment number %d\n",i+1);
+
+        if (i==0)               // First segment
+            firstseg=1;
+        else
+            firstseg=0;
+
+        if (i==numseg-1) {      //Last segment
+            if (lastseglen!=0)
+                curseglen=lastseglen;
+            else
+                curseglen=padlen-5;
+        } else {
+            curseglen=padlen-5;
+        }
+
+        pad[padlen-1]=0x02;                                                        // FF-PAD Byte L (CI=1)
+        pad[padlen-2]=0x20;                                                        // FF-PAD Byte L-1 (Variable size X_PAD)
+        if (firstseg==1)
+            pad[padlen-3]=(xpadlengthmask<<5) | 12;                                  // CI => data length = 12 (011) - Application Type=12 (start of MOT)
+        else
+            pad[padlen-3]=(xpadlengthmask<<5) | 13;                                  // CI => data length = 12 (011) - Application Type=13 (MOT)
+
+        pad[padlen-4]=0x00;                                                        // End of CI list
+
+        for (j=0; j<curseglen; j++)
+            pad[padlen-5-j]=curseg[j];
+        for (j=padlen-5-curseglen;j>=0;j--)
+            pad[j]=0x00;
+
+        write(STDOUT_FILENO,pad,padlen);
+        //fprintf(stderr,"MSC Data Group - Segment %d: ",i);
+        //for (j=0;j<padlen;j++) fprintf(stderr,"%02x ",pad[j]);
+        //        fprintf(stderr,"\n");
+
+    }
 }
 
 
 void writeDLS(int padlen) {
-	char dlstext[MAXDLS];
-	static char dlstextprev[MAXDLS]; 
-	int dlslen,i;
-	static unsigned char** dlsdg;
-	static int numdg=0;
-
-	static int dlsfd=0;
-
-	if (dlsfd!=0) close(dlsfd);
-	dlsfd=open("/tmp/dls.file",O_RDONLY);
-	if (dlsfd==-1) {
-		fprintf(stderr,"Error - Cannot open dls file\n");
-		return;
-	}
-
-	dlslen=read(dlsfd, dlstext, MAXDLS);
-	dlstext[dlslen]=0x00;
-	//if (strcmp(dlstext,dlstextprev)!=0) {
-	create_dls_datagroup(dlstext,padlen,&dlsdg,&numdg);
-	strcpy(dlstextprev,dlstext);
-	//}
-	for (i=0;i<numdg;i++) {
-		write(STDOUT_FILENO,dlsdg[i],padlen);
-	}
+    char dlstext[MAXDLS];
+    static char dlstextprev[MAXDLS]; 
+    int dlslen,i;
+    static unsigned char** dlsdg;
+    static int numdg=0;
+
+    static int dlsfd=0;
+
+    if (dlsfd!=0) close(dlsfd);
+    dlsfd=open("/tmp/dls.file",O_RDONLY);
+    if (dlsfd==-1) {
+        fprintf(stderr,"Error - Cannot open dls file\n");
+        return;
+    }
+
+    dlslen=read(dlsfd, dlstext, MAXDLS);
+    dlstext[dlslen]=0x00;
+    //if (strcmp(dlstext,dlstextprev)!=0) {
+    create_dls_datagroup(dlstext,padlen,&dlsdg,&numdg);
+    strcpy(dlstextprev,dlstext);
+    //}
+    for (i=0;i<numdg;i++) {
+        write(STDOUT_FILENO,dlsdg[i],padlen);
+    }
 
 }
 
 void create_dls_datagroup (char* text, int padlen, UCHAR*** p_dlsdg, int* p_numdg) {
 
-	UCHAR dlsseg[8][16];                            // max 8 segments, each max 16 chars
-	UCHAR** dlsdg;                                  // Array od datagroups composing dls text;
-
-
-	int numseg;                                     // Number of DSL segments
-	int lastseglen;                                 // Length of the last segment
-	int numdg;                                      // Number of data group
-	int xpadlengthmask;
-	int i,j,k,z,idx_start_crc,idx_stop_crc;
-	USHORT dlscrc;
-	static UCHAR toggle=0;
-
-	if (toggle==0)
-		toggle=1;
-	else
-		toggle=0;
-
-	numseg=strlen(text) / 16;
-	lastseglen=strlen(text) % 16;
-	if (padlen-9 >= 16) {
-		if (lastseglen > 0) numseg++;           // The last incomplete segment
-		numdg=numseg;           // The PAD can contain the full segmnet and overhead (9 bytes)
-	} else {
-		numdg=numseg*2;         // Each 16 char segment span over 2 dg
-		if (lastseglen > 0) {
-			numseg++;              // The last incomplete segment
-			if (lastseglen <= padlen-9)
-				numdg+=1;
-			else
-				numdg+=2;
-
-		}
-	}
-	*p_numdg=numdg;
-	fprintf(stderr,"PAD Length: %d\n",padlen);
-	fprintf(stderr,"DLS text: %s\n",text);
-	fprintf(stderr,"Number od DLS segments: %d\n",numseg);
-	fprintf(stderr,"Number od DLS data grupus: %d\n",numdg);
-
-	if (padlen==17)
-		xpadlengthmask=3;
-	else if (padlen==21)
-		xpadlengthmask=4;
-	else if (padlen==29)
-		xpadlengthmask=5;
-	else if (padlen==37)
-		xpadlengthmask=6;
-	else if (padlen==53)
-		xpadlengthmask=7;
-
-	*p_dlsdg = (UCHAR**) malloc(numdg*sizeof(UCHAR*));
-	dlsdg=*p_dlsdg;
-
-	i=0;
-	for (z=0;z<numseg;z++) {
-
-		char* curseg;
-		int curseglen;
-		UCHAR firstseg,lastseg;
-
-		curseg = &text[z*16];
-		fprintf(stderr,"Segment number %d\n",z+1);
-
-		if (z==0)               // First segment
-			firstseg=1;
-		else
-			firstseg=0;
-
-		if (z==numseg-1) {      //Last segment
-			if (lastseglen!=0)
-				curseglen=lastseglen;
-			else
-				curseglen=16;
-			lastseg=1;
-		} else {
-			curseglen=16;
-			lastseg=0;
-		}
-
-		if (curseglen<=padlen-9) {                                                              // Segment is composed by 1 data group
-			dlsdg[i]=(UCHAR*) malloc(padlen*sizeof(UCHAR));
-			dlsdg[i][padlen-1]=0x02;                                                        // FF-PAD Byte L (CI=1)
-			dlsdg[i][padlen-2]=0x20;                                                        // FF-PAD Byte L-1 (Variable size X_PAD)
-			dlsdg[i][padlen-3]=(xpadlengthmask<<5) | 0x02;                                  // CI => data length = 12 (011) - Application Type=2 (DLS - start of X-PAD data group)
-			dlsdg[i][padlen-4]=0x00;                                                        // End of CI list
-
-			dlsdg[i][padlen-5]=((toggle*8+firstseg*4+lastseg*2+0)<<4) | (curseglen-1);      // DLS Prefix (T=1,Only one segment,segment length-1)
-
-			if (firstseg==1)
-				dlsdg[i][padlen-6]=0x00;                                                 // DLS Prefix (Charset standard)
-			else
-				dlsdg[i][padlen-6]=z<<4;                                                // DLS SegNum
-
-			idx_start_crc = padlen-5;                                                       // CRC start from prefix
-			for (j=0;j<curseglen;j++) {                                                      // DLS text
-				dlsdg[i][padlen-7-j]=curseg[j];
-			}
-
-			idx_stop_crc = padlen-7-curseglen+1;
-
-			dlscrc = 0xffff;
-			for (j=idx_start_crc;j>=idx_stop_crc;j--) {
-				dlscrc = update_crc_ccitt(dlscrc, dlsdg[i][j]);
-			}
-
-			dlscrc = ~dlscrc;
-			fprintf(stderr,"crc=%x ~crc=%x\n",~dlscrc,dlscrc);
-
-			dlsdg[i][padlen-7-curseglen] = (dlscrc & 0xFF00) >> 8;     // HI CRC
-			dlsdg[i][padlen-7-curseglen-1] = dlscrc & 0x00FF;          // LO CRC
-
-			for (j=padlen-7-curseglen-2;j>=0;j--) {                    // NULL PADDING
-				dlsdg[i][j]=0x00;
-			}
-			fprintf(stderr,"Data group: ");
-			for (j=0;j<padlen;j++) fprintf(stderr,"%x ",dlsdg[i][j]);
-			fprintf(stderr,"\n");
-			i++;
-
-		} else {                        // Segment is composed by 2 data groups
-
-			// FIRST DG (NO CRC)
-			dlscrc = 0xffff;
-
-			dlsdg[i]=(UCHAR*) malloc(padlen*sizeof(UCHAR));
-			dlsdg[i][padlen-1]=0x02;                                // FF-PAD Byte L (CI=1)
-			dlsdg[i][padlen-2]=0x20;                                // FF-PAD Byte L-1 (Variable size X_PAD)
-			dlsdg[i][padlen-3]=(xpadlengthmask<<5) | 0x02;          // CI => data length = 12 (011) - Application Type=2 (DLS - start of X-PAD data group)
-			dlsdg[i][padlen-4]=0x00;                                // End of CI list
-			dlsdg[i][padlen-5]=((toggle*8+firstseg*4+lastseg*2+0)<<4) | (curseglen-1);      // DLS Prefix (T=1,Only one segment,segment length-1)
-
-			if (firstseg==1)
-				dlsdg[i][padlen-6]=0x00;                                                 // DLS Prefix (Charset standard)
-			else
-				dlsdg[i][padlen-6]=(i-1)<<4;                                            // DLS SegNum
-
-			dlscrc = update_crc_ccitt(dlscrc, dlsdg[i][padlen-5]);
-			dlscrc = update_crc_ccitt(dlscrc, dlsdg[i][padlen-6]);
-
-			for (j=0;j < MIN(curseglen,padlen-7); j++) {                                // DLS text
-				dlsdg[i][padlen-7-j]=curseg[j];
-				dlscrc = update_crc_ccitt(dlscrc, dlsdg[i][padlen-7-j]);
-			}
-			k=j;
-			if (curseglen==padlen-8) {                                      // end of segment
-				dlscrc = ~dlscrc;
-				dlsdg[i][1] = (dlscrc & 0xFF00) >> 8;     // HI CRC
-				fprintf(stderr,"crc=%x ~crc=%x\n",~dlscrc,dlscrc);
-			} else if (curseglen==padlen-7) {
-				dlscrc = ~dlscrc;
-				fprintf(stderr,"crc=%x ~crc=%x\n",~dlscrc,dlscrc);
-			}
-			dlsdg[i][0]=0x00;
-
-			fprintf(stderr,"First Data group: ");
-			for (j=0;j<padlen;j++) fprintf(stderr,"%x ",dlsdg[i][j]);
-			fprintf(stderr,"\n");
-
-			// SECOND DG (NO CI, NO PREFIX)
-			i++;
-
-			dlsdg[i]=(UCHAR*) malloc(padlen*sizeof(UCHAR));
-			dlsdg[i][padlen-1]=0x00;                                // FF-PAD Byte L (CI=0)
-			dlsdg[i][padlen-2]=0x20;                                // FF-PAD Byte L-1 (Variable size X_PAD)
-			if (curseglen==padlen-8) {
-				dlsdg[i][padlen-3] = dlscrc & 0x00FF;          // LO CRC
-			} else if (curseglen==padlen-7) {
-				dlsdg[i][padlen-3] = (dlscrc & 0xFF00) >> 8;     // HI CRC
-				dlsdg[i][padlen-4] = dlscrc & 0x00FF;          // LO CRC
-			} else {
-				for (j=0;j < curseglen-k; j++) {                                // DLS text
-					dlsdg[i][padlen-3-j]=curseg[k+j];
-					dlscrc = update_crc_ccitt(dlscrc, dlsdg[i][padlen-3-j]);
-				}
-				dlscrc = ~dlscrc;
-				dlsdg[i][padlen-3-curseglen+k]=(dlscrc & 0xFF00) >> 8;     // HI CRC
-				dlsdg[i][padlen-3-curseglen+k-1]=dlscrc & 0x00FF;          // LO CRC
-			}
-
-			fprintf(stderr,"Second Data group: ");
-			for (j=0;j<padlen;j++) fprintf(stderr,"%x ",dlsdg[i][j]);
-			fprintf(stderr,"\n");
-			fprintf(stderr,"**** crc=%x ~crc=%x\n",~dlscrc,dlscrc);
-			i++;
-		}
-
-	}
+    UCHAR dlsseg[8][16];                            // max 8 segments, each max 16 chars
+    UCHAR** dlsdg;                                  // Array od datagroups composing dls text;
+
+
+    int numseg;                                     // Number of DSL segments
+    int lastseglen;                                 // Length of the last segment
+    int numdg;                                      // Number of data group
+    int xpadlengthmask;
+    int i,j,k,z,idx_start_crc,idx_stop_crc;
+    USHORT dlscrc;
+    static UCHAR toggle=0;
+
+    if (toggle==0)
+        toggle=1;
+    else
+        toggle=0;
+
+    numseg=strlen(text) / 16;
+    lastseglen=strlen(text) % 16;
+    if (padlen-9 >= 16) {
+        if (lastseglen > 0) numseg++;           // The last incomplete segment
+        numdg=numseg;           // The PAD can contain the full segmnet and overhead (9 bytes)
+    } else {
+        numdg=numseg*2;         // Each 16 char segment span over 2 dg
+        if (lastseglen > 0) {
+            numseg++;              // The last incomplete segment
+            if (lastseglen <= padlen-9)
+                numdg+=1;
+            else
+                numdg+=2;
+
+        }
+    }
+    *p_numdg=numdg;
+    fprintf(stderr,"PAD Length: %d\n",padlen);
+    fprintf(stderr,"DLS text: %s\n",text);
+    fprintf(stderr,"Number od DLS segments: %d\n",numseg);
+    fprintf(stderr,"Number od DLS data grupus: %d\n",numdg);
+
+    if (padlen==17)
+        xpadlengthmask=3;
+    else if (padlen==21)
+        xpadlengthmask=4;
+    else if (padlen==29)
+        xpadlengthmask=5;
+    else if (padlen==37)
+        xpadlengthmask=6;
+    else if (padlen==53)
+        xpadlengthmask=7;
+
+    *p_dlsdg = (UCHAR**) malloc(numdg*sizeof(UCHAR*));
+    dlsdg=*p_dlsdg;
+
+    i=0;
+    for (z=0;z<numseg;z++) {
+
+        char* curseg;
+        int curseglen;
+        UCHAR firstseg,lastseg;
+
+        curseg = &text[z*16];
+        fprintf(stderr,"Segment number %d\n",z+1);
+
+        if (z==0)               // First segment
+            firstseg=1;
+        else
+            firstseg=0;
+
+        if (z==numseg-1) {      //Last segment
+            if (lastseglen!=0)
+                curseglen=lastseglen;
+            else
+                curseglen=16;
+            lastseg=1;
+        } else {
+            curseglen=16;
+            lastseg=0;
+        }
+
+        if (curseglen<=padlen-9) {                                                              // Segment is composed by 1 data group
+            dlsdg[i]=(UCHAR*) malloc(padlen*sizeof(UCHAR));
+            dlsdg[i][padlen-1]=0x02;                                                        // FF-PAD Byte L (CI=1)
+            dlsdg[i][padlen-2]=0x20;                                                        // FF-PAD Byte L-1 (Variable size X_PAD)
+            dlsdg[i][padlen-3]=(xpadlengthmask<<5) | 0x02;                                  // CI => data length = 12 (011) - Application Type=2 (DLS - start of X-PAD data group)
+            dlsdg[i][padlen-4]=0x00;                                                        // End of CI list
+
+            dlsdg[i][padlen-5]=((toggle*8+firstseg*4+lastseg*2+0)<<4) | (curseglen-1);      // DLS Prefix (T=1,Only one segment,segment length-1)
+
+            if (firstseg==1)
+                dlsdg[i][padlen-6]=0x00;                                                 // DLS Prefix (Charset standard)
+            else
+                dlsdg[i][padlen-6]=z<<4;                                                // DLS SegNum
+
+            idx_start_crc = padlen-5;                                                       // CRC start from prefix
+            for (j=0;j<curseglen;j++) {                                                      // DLS text
+                dlsdg[i][padlen-7-j]=curseg[j];
+            }
+
+            idx_stop_crc = padlen-7-curseglen+1;
+
+            dlscrc = 0xffff;
+            for (j=idx_start_crc;j>=idx_stop_crc;j--) {
+                dlscrc = update_crc_ccitt(dlscrc, dlsdg[i][j]);
+            }
+
+            dlscrc = ~dlscrc;
+            fprintf(stderr,"crc=%x ~crc=%x\n",~dlscrc,dlscrc);
+
+            dlsdg[i][padlen-7-curseglen] = (dlscrc & 0xFF00) >> 8;     // HI CRC
+            dlsdg[i][padlen-7-curseglen-1] = dlscrc & 0x00FF;          // LO CRC
+
+            for (j=padlen-7-curseglen-2;j>=0;j--) {                    // NULL PADDING
+                dlsdg[i][j]=0x00;
+            }
+            fprintf(stderr,"Data group: ");
+            for (j=0;j<padlen;j++) fprintf(stderr,"%x ",dlsdg[i][j]);
+            fprintf(stderr,"\n");
+            i++;
+
+        } else {                        // Segment is composed by 2 data groups
+
+            // FIRST DG (NO CRC)
+            dlscrc = 0xffff;
+
+            dlsdg[i]=(UCHAR*) malloc(padlen*sizeof(UCHAR));
+            dlsdg[i][padlen-1]=0x02;                                // FF-PAD Byte L (CI=1)
+            dlsdg[i][padlen-2]=0x20;                                // FF-PAD Byte L-1 (Variable size X_PAD)
+            dlsdg[i][padlen-3]=(xpadlengthmask<<5) | 0x02;          // CI => data length = 12 (011) - Application Type=2 (DLS - start of X-PAD data group)
+            dlsdg[i][padlen-4]=0x00;                                // End of CI list
+            dlsdg[i][padlen-5]=((toggle*8+firstseg*4+lastseg*2+0)<<4) | (curseglen-1);      // DLS Prefix (T=1,Only one segment,segment length-1)
+
+            if (firstseg==1)
+                dlsdg[i][padlen-6]=0x00;                                                 // DLS Prefix (Charset standard)
+            else
+                dlsdg[i][padlen-6]=(i-1)<<4;                                            // DLS SegNum
+
+            dlscrc = update_crc_ccitt(dlscrc, dlsdg[i][padlen-5]);
+            dlscrc = update_crc_ccitt(dlscrc, dlsdg[i][padlen-6]);
+
+            for (j=0;j < MIN(curseglen,padlen-7); j++) {                                // DLS text
+                dlsdg[i][padlen-7-j]=curseg[j];
+                dlscrc = update_crc_ccitt(dlscrc, dlsdg[i][padlen-7-j]);
+            }
+            k=j;
+            if (curseglen==padlen-8) {                                      // end of segment
+                dlscrc = ~dlscrc;
+                dlsdg[i][1] = (dlscrc & 0xFF00) >> 8;     // HI CRC
+                fprintf(stderr,"crc=%x ~crc=%x\n",~dlscrc,dlscrc);
+            } else if (curseglen==padlen-7) {
+                dlscrc = ~dlscrc;
+                fprintf(stderr,"crc=%x ~crc=%x\n",~dlscrc,dlscrc);
+            }
+            dlsdg[i][0]=0x00;
+
+            fprintf(stderr,"First Data group: ");
+            for (j=0;j<padlen;j++) fprintf(stderr,"%x ",dlsdg[i][j]);
+            fprintf(stderr,"\n");
+
+            // SECOND DG (NO CI, NO PREFIX)
+            i++;
+
+            dlsdg[i]=(UCHAR*) malloc(padlen*sizeof(UCHAR));
+            dlsdg[i][padlen-1]=0x00;                                // FF-PAD Byte L (CI=0)
+            dlsdg[i][padlen-2]=0x20;                                // FF-PAD Byte L-1 (Variable size X_PAD)
+            if (curseglen==padlen-8) {
+                dlsdg[i][padlen-3] = dlscrc & 0x00FF;          // LO CRC
+            } else if (curseglen==padlen-7) {
+                dlsdg[i][padlen-3] = (dlscrc & 0xFF00) >> 8;     // HI CRC
+                dlsdg[i][padlen-4] = dlscrc & 0x00FF;          // LO CRC
+            } else {
+                for (j=0;j < curseglen-k; j++) {                                // DLS text
+                    dlsdg[i][padlen-3-j]=curseg[k+j];
+                    dlscrc = update_crc_ccitt(dlscrc, dlsdg[i][padlen-3-j]);
+                }
+                dlscrc = ~dlscrc;
+                dlsdg[i][padlen-3-curseglen+k]=(dlscrc & 0xFF00) >> 8;     // HI CRC
+                dlsdg[i][padlen-3-curseglen+k-1]=dlscrc & 0x00FF;          // LO CRC
+            }
+
+            fprintf(stderr,"Second Data group: ");
+            for (j=0;j<padlen;j++) fprintf(stderr,"%x ",dlsdg[i][j]);
+            fprintf(stderr,"\n");
+            fprintf(stderr,"**** crc=%x ~crc=%x\n",~dlscrc,dlscrc);
+            i++;
+        }
+
+    }
 }