From 4673583e61c883e0b681bdb82d1e7afa12a27348 Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli" Date: Sun, 9 Mar 2014 16:41:25 +0100 Subject: Move sources to src, rename all programs --- mot-encoder.c | 638 ---------------------------------------------------------- 1 file changed, 638 deletions(-) delete mode 100644 mot-encoder.c (limited to 'mot-encoder.c') diff --git a/mot-encoder.c b/mot-encoder.c deleted file mode 100644 index a60a39a..0000000 --- a/mot-encoder.c +++ /dev/null @@ -1,638 +0,0 @@ -/* - 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 - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see . - - MotEncoder.c - Generete PAD data for MOT Slideshow and DLS - - Authors: - Sergio Sagliocco -*/ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "lib_crc.h" - -#define MIN(a,b) (((a)<(b))?(a):(b)) -#define MAX(a,b) (((a)>(b))?(a):(b)) - -#define MAXSEGLEN 8179 -#define MAXDLS 129 - -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 -} 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 -} MOTSLIDEHDR; -*/ -int encodeFile (char* fname, int fidx, int padlen); -void createMotHeader(size_t blobsize, int fidx, char* mothdr, int* mothdrlen); -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); -void packMscDG(unsigned char* mscblob, MSCDG* msc, unsigned short int *bsize); -void writeMotPAD(unsigned char* mscdg, unsigned short int mscdgsize, unsigned short int padlen); -void create_dls_datagroup (char* text, int padlen, unsigned char*** p_dlsdg, int* p_numdg); -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://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 \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 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>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; iextflag=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; - - 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;iseglen;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 - - *bsize=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 0) { - numseg++; // The last incomplete segment - } - - for (i=0;i 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=0;j--) - pad[j]=0x00; - - write(STDOUT_FILENO,pad,padlen); - //fprintf(stderr,"MSC Data Group - Segment %d: ",i); - //for (j=0;j= 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 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=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 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> 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