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/*************************************************************
* mpgtx an mpeg toolbox *
* by Laurent Alacoque <laureck@users.sourceforge.net> *
* (c) 2001 *
* You may copy, modify and redistribute this *
* source file under the terms of the GNU Public License *
************************************************************/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "mpeg.hh"
#include "mpegOut.hh"
#include "chunkTab.hh"
// declared in id3command.hh
extern int ParseID3Command(int argc, char** argv, int argc_offset);
// philipp
bool desperate_mode = false;
bool preserve_header = false;
bool print_progress = true;
// [L] ifdef the endMessage
#ifdef NEED_END_MESSAGE
void endMessage(void);
#endif
bool aspect_correction = false;
byte forced_sequence_header = 0;
char* progname;
#ifndef NOSIGNAL_H
// for bug report
#include <signal.h>
#include <stdlib.h>
// for bug report
char** myargv;
int myargc;
c_char mpgtx_stack[mpgtx_stack_count];
int mpgtx_stack_current=0;
/*!
* Callback for SIGSEGV, SIGBUS and SIGFPE.
* prints a formated bug report, warns user and opens the bug report file
*
* @param signum catched signal: SIGSEGV, SIGBUS or SIGFPE
*/
void CatchBug(int signum)
{
//print a formated bug report and warn user
//open the bug report file
FILE* bugreport;
bugreport=fopen("bug.report","w+");
//warn user
fprintf(stderr,"BUG: Sorry you shouldn't read this...\n");
fprintf(stderr,"Please help me to correct this and send a bug report\n");
fprintf(stderr,"To send a bug report go to http://mpgtx.sourceforge.net\n");
fprintf(stderr,"and click the submit new bug link (top right)\n");
fprintf(stderr,"you can send it to <laureck@users.sourceforge.net> either\n");
if (!bugreport) {
bugreport=stderr;
fprintf(stderr,"Please Include the following lines and the program output in the bug report\n");
fprintf(stderr, "---------------------------------------------------------------------------\n");
}else{
fprintf(stderr,"Please include the file \"bug.report\" and the program output in the bug report\n");
}
//start of bug report
//version
fprintf(bugreport,"%s version %s\n",progname,MPGTX_VERSION);
// arguments to the program
fprintf(bugreport,"args : ");
for (int i=0; i < myargc; i++){
fprintf (bugreport,"%s ",myargv[i]);
}
fprintf(bugreport,"\n");
//what killed me
switch(signum){
case SIGSEGV: fprintf(bugreport,"SIGSEGV");break;
case SIGBUS: fprintf(bugreport,"SIGBUS");break;
case SIGFPE: fprintf(bugreport,"SIGFPE");break;
}
fprintf(bugreport," received\n");
//print the calling stack
fprintf(bugreport,"stack : ");
for (int j=0; j <mpgtx_stack_count; j++){
if (mpgtx_stack[(mpgtx_stack_current+j)%mpgtx_stack_count]!=0)
fprintf(bugreport,"[%s] ",mpgtx_stack[(mpgtx_stack_current+j)%mpgtx_stack_count]);
}
fprintf(bugreport,"\nstack current: %d\n",mpgtx_stack_current);
fclose(bugreport);
exit(1);
}
/*!
* Callback for SIGINT.
*
* @param signum unused
*/
void CatchBreak(int signum) {
fprintf(stderr,"\nHave a Nice Day\n");
exit(1);
}
#endif
#ifdef ENABLE_OPTIMIZATION
#include <sys/time.h>
#include <unistd.h>
#include <stdlib.h>
struct timeval tv;
struct timezone tz;
double MainClockStart;
double Clock_Now(){
double time_now;
gettimeofday(&tv,&tz);
time_now=tv.tv_sec + 0.000001 * tv.tv_usec;
gettimeofday(&tv,&tz);
functions_cummulated_time[SELF]+=2*((tv.tv_sec + 0.000001 * tv.tv_usec)-time_now);
return tv.tv_sec + 0.000001 * tv.tv_usec;
}
void AddTime(double timestart, int function){
functions_cummulated_time[function]+= Clock_Now()-timestart;
}
double functions_cummulated_time[N_FUNCTIONS];
void init_cummulated_time(){
MainClockStart=Clock_Now();
atexit(PrintTime);
for (int i=0; i <N_FUNCTIONS; i++){
functions_cummulated_time[i]=0.0;
}
}
void PrintTime(){
AddTime(MainClockStart,MAIN);
printf("-------------------------\n");
printf("Time passed in main %.4f s\n",functions_cummulated_time[MAIN]);
printf("\t(f)printf : %.4f s [%.2f%%]\n",
functions_cummulated_time[PRINTF],
functions_cummulated_time[PRINTF]*100.0/functions_cummulated_time[MAIN]);
printf("\t GetByte : %.4f s [%.2f%%]\n",
functions_cummulated_time[GETBYTE],
functions_cummulated_time[GETBYTE]*100.0/functions_cummulated_time[MAIN]);
printf("\t Copy : %.4f s [%.2f%%]\n",
functions_cummulated_time[COPY],
functions_cummulated_time[COPY]*100.0/functions_cummulated_time[MAIN]);
printf("\tProfiling Time approx : %.4f [%.2f%%]\n",
functions_cummulated_time[SELF],
functions_cummulated_time[SELF]*100.0/functions_cummulated_time[MAIN]);
}
#endif
typedef enum argtype {file,option,range,none};
typedef enum programname {mpgsplit,mpgcat,mpgjoin,mpginfo,mpgdemux,other,mp3tag};
void print_help(programname invocation){
BTRACK;
switch(invocation)
{
case mpgsplit:
printf("mpgsplit : split mpeg files into playable chunks\n");
break;
case mpgcat:
printf("mpgcat : cat mpeg files to standard output\n");
break;
case mpgjoin:
printf("mpgjoin : join compatible mpeg files into one\n");
break;
case mpgdemux:
printf("mpgdemux : demultiplex elementary streams from a composite mpeg file\n");
printf("Usage : mpgdemux [options] composite_file \n");
break;
case mpginfo:
printf("mpginfo : print informations about mpeg files\n");
printf("Usage : mpginfo file [file...]\n");
printf("Options :\n");
printf(" -N Do not check timeline (save some time).\n");
return;
break;
default :
printf("%s : manipulate mpeg files\n",progname);
break;
}
if (invocation != mpgdemux)
printf("Usage : %s [command] [options] [mpegfile [mpegfile | range]...\n",progname);
printf("Commands :\n");
if(invocation==other)
{
printf(" -i print infos about following files.\n");
printf(" -s split following files according to the specified ranges.\n");
printf(" -j join following files (ranges may be specified).\n");
printf(" -d demultiplex elementary streams from following file\n");
printf(" -T modify id3 tag.\n");
}
printf(" -h print this help screen.\n");
printf(" -v print version informations.\n");
if (invocation==other || invocation == mpgsplit)
printf(" -# where # is a number, split the following file in #.\n");
if (invocation != mpgcat){
printf("Options :\n");
printf(" -N Do not print out excessive information while processing\n");
printf(" If you use MacOS Classic, this is RECOMMENDED\n");
printf(" Otherwise mpgtx will be dead slow!\n");
printf(" -f force overwriting of files, don't ask for confirmation\n");
printf(" -P keep headers of mpegs which sometimes is usefull\n");
printf(" -X Try to search for a valid PACK header in the whole file.\n");
printf(" Additionally option -N suppress output during search.\n");
printf(" This may result in an endless loop if not successfull!\n");
printf(" -An While joining or splitting, aspect ratio will be forced to:\n");
printf(" n=1 -> 1:1, n=2 -> 4:3, n=3 -> 16:9, n=4 -> 2.21:1 \n");
printf(" All Numbers from 0 - 16 will be accepted but the above are valid!\n");
if (invocation != mpgjoin)
printf(" -b NAME set the basename for the output files\n");
if (invocation != mpgsplit && invocation != mpgdemux){
printf(" -o FILE set the output file name (join implied)\n");
printf(" if FILE is - , standard output will be used\n");
printf(" --force force joining of incompatible files\n");
}
printf(" --no-parachute don't try to catch SIGSEGV (usefull for debugging)\n");
}
if (invocation==mpgdemux) return;
printf("Ranges :\n");
printf(" Ranges must follow an mpeg file\n");
printf(" [a-b] from 'a' inclusive to 'b' inclusive. If you want half opened\n");
printf(" ranges, you may want to use ]a-b], [a-b[ or ]a-b[ instead\n");
printf(" [num/total] the 'num' part if the mpeg file was split in 'total'.\n");
printf(" [1/4] would result in the first quarter of the mpeg file.\n");
if (invocation !=mpgjoin){
printf(" {a-b-...} where 'a', 'b', ... are in ascending order. Split the file\n");
printf(" at given values. {700M} is therefore equivalent to ranges\n");
printf(" [-700M] ]700M-]\n");
}
printf("Values :\n");
printf(" Values can be time or offsets in the mpeg file\n");
printf(" Time Format HH:MM:SS where the HH: part can be omited\n");
printf(" Offset Format a number optionally followed by:\n");
printf(" M : offset is in Megabytes\n");
printf(" k : offset is in Kilobytes\n");
printf(" An empty value means the corresponding file boundary:\n");
printf(" [-10M] the first 10 Megabytes of file\n");
printf(" [500M-] from 500 Megabytes to the end of file\n");
return;
}
// added 22 March 2001 to get rid of unistd (portability)
int mpgtx_access(char* filename){
BTRACK;
// returns 0 if file exist (readable)
// returns 1 if not.
FILE* test_file = fopen(filename,"r+");
if (test_file == NULL) {
return 1;
}
else {
fclose(test_file);
return 0;
}
}
int main (int argc,char** argv){
#ifndef NOSIGNAL_H
signal(SIGBUS,CatchBug);
signal(SIGSEGV,CatchBug);
signal(SIGFPE,CatchBug);
signal(SIGINT,CatchBreak);
for (int k=0; k < mpgtx_stack_count; k++) mpgtx_stack[k]=0;
BTRACK;
myargv=argv;
myargc=argc;
#endif
#ifdef ENABLE_OPTIMIZATION
init_cummulated_time();
#endif
mpegOutFactory TheFac;
chunkTab Tab(20);
//char* current_filename=0;
mpegOut* current_out;
char* number;
char* mybasename=0;
char* myoutfile=0;
chunk** ChunkTab;
int ChunkCount;
int nparts;
char answer;
bool want_info=false;
bool basename_specified=false;
bool joined=false;
bool inparts=false;
bool opresent=false;
bool confirm_files=true;
bool Id3Tag=false;
bool force_option=false;
bool catch_sigsegv=true;
argtype lastarg=none;
programname invocation;
bool demux=false;
int tmp_seq;
////////////////////////////////////////
// Parse the program name //
////////////////////////////////////////
ATRACK("parse progname");
int i;
int length=strlen(argv[0]);
int start=0;
for ( i = length-1; i >= 0; i--)
{
if((argv[0][i] == '/') || (argv[0][i] == '\\'))
{
start = i + 1;
break;
}
}
progname=new char[length-start+1];
strcpy(progname,&argv[0][start]);
if (!strcmp(progname,"mpgsplit")){
invocation=mpgsplit;
inparts=true;
} else {
if (!strcmp(progname,"mpgcat"))
{
invocation=mpgcat;
joined=true;
opresent=true;
myoutfile=new char[2];
myoutfile[0]='-';
myoutfile[1]=0;
}
else {
if (!strcmp(progname,"mpgjoin")){
invocation=mpgjoin;
joined=true;
}
else{
if (!strcmp(progname,"mpginfo")){
invocation=mpginfo;
want_info=true;
}
else {
if (!strcmp(progname,"mpgdemux")){
invocation=mpgdemux;
demux=true;
}
else{
if (!strcmp(progname,"tagmp3")){
return ParseID3Command(argc,argv,1);
}
else{
invocation=other;
}
}
}
}
}
}
// Warn user.
/*fprintf(stderr,"%s version %s\n"
"THIS IS *BETA* SOFTWARE I really need your help to correct all remaining bugs.\n"
"If you find any bug in this program you are encouraged to post a bug report on\n"
"mpgtx homepage <http://mpgtx.sourceforge.net>.Thanks in advance for your help.\n\n"
,progname,MPGTX_VERSION);
*/
///////////////////////////////////////
// Parse remaining args //
/////////////////////////////////////
ATRACK("Parse Args");
for ( i=1; i<argc; i++){
switch(argv[i][0])
{
case '-':
// this is an option
if (lastarg==file && (!want_info)){
// an option following a filename
// appy range [0-100%]
Tab.ParseRange("]0-]");
}
lastarg=option;
if((argv[i][1] > '0')&&(argv[i][1]<='9')) {
number=&argv[i][1];
sscanf(number,"%d",&nparts);
if(i+1>=argc){
fprintf(stderr,"%s option used without a filename\n",argv[i]);
return 1;
}
if(!Tab.AddFile(argv[++i])){
fprintf(stderr,"%s is not a valid mpeg file\n",argv[i-1]);
if(!want_info) return 1;
}
Tab.Nchunks(nparts);
inparts=true;
}
else {
switch (argv[i][1]){
case 'd' :
demux=true;
break;
case 'X' :
desperate_mode =true;
break;
case 'P' :
preserve_header = true;
break;
case 'N':
print_progress = false;
break;
case 'A':
aspect_correction = true;
tmp_seq = -1;
sscanf(&(argv[i][2]),"%d",&tmp_seq);
if ((tmp_seq < 0 ) || (tmp_seq > 15))
{
fprintf(stderr,"invalid Value for aspect correction %d, exit!\n",tmp_seq);
exit(1);
}
forced_sequence_header = tmp_seq << 4;
break;
case 'h' : print_help(invocation);
return 0;
break;
case 'i' :
want_info=true;
break;
case 'f' :
confirm_files=false;
break;
case 's' :
inparts=true;
break;
case 'j' :
joined=true;
if(!myoutfile) myoutfile="output.mpg";
break;
case 'T' :
Id3Tag=true;
return ParseID3Command(argc,argv,i+1);
break;
case 'b' :
inparts=true;
if (joined) {
fprintf(stderr,"-o and -b options are mutually exclusive\n");
return 1;
} else { if (basename_specified) {
fprintf(stderr,"only one basename is allowed\n");
return 1;
}
basename_specified=true;
if(i+1>=argc){
fprintf(stderr,"-b option used without basename\n");
return 1;
}
else {
//TODO copy basename
i++;
// fprintf(stderr,"option -b read, basename : %s\n",argv[i]);
mybasename=new char [strlen(argv[i])+1];
strcpy(mybasename,argv[i]);
}
}
break;
case 'o' :
if (basename_specified) {
fprintf(stderr,"-b and -o options are mutually exclusive\n");
return 1;
}
else
{
if (opresent){
fprintf(stderr,"only one -o option allowed\n");
return 1;
}
opresent=true;
if(i+1>=argc){
fprintf(stderr,"-o option used without outfile name\n");
return 1;
}
else {
i++;
// fprintf(stderr,"option -o read, will join all in file : %s\n",argv[i]);
myoutfile=new char [strlen(argv[i])+1];
strcpy(myoutfile,argv[i]);
}
}
break;
case 'v':
printf("%s Version %s\n",progname,MPGTX_VERSION);
printf("Copyleft 2001 Laurent Alacoque <laureck@users.sourceforge.net>\n");
printf("Partial work 2002 by Philipp Biermann <mpegcut@biermann.org>\n");
printf("updates, bugs, patch, money : http://mpgtx.sourceforge.net\n");
return 0;
break;
case '-':
// this is a long option (--xxxx)
if (strcmp(argv[i],"--force")==0) force_option=true;
if (strcmp(argv[i],"--no-parachute")==0) catch_sigsegv=false;
break;
default:
fprintf(stderr,"unrecognized option %s\n",argv[i]);
return 1;
break;
}
}
break;
case ']':
case '[':
// this is a range
lastarg=range;
if(!Tab.ParseRange(argv[i])){
return 1;
}
break;
case '{':
// comma separated list of boundaries
lastarg=range;
if(!Tab.ParseBoundaries(argv[i])){
return 1;
}
break;
default:
// might be an input file, check!
if (lastarg==file && !(want_info)){
// two file arguments encountered, apply 100% range to the first
//one
Tab.ParseRange("]0-]");
}
lastarg=file;
if(!Tab.AddFile(argv[i])) {
fprintf(stderr,"%s is not a valid mpeg file\n",argv[i]);
if(!want_info) return 1;
}
}
}//for
if (lastarg==file && (!want_info)){
//range's missing
Tab.ParseRange("]0-]");
}
///////////////////////////////////////////////////////////////////
// Args are parsed
///////////////////////////////////////////////////////////////////
#ifndef NOSIGNAL_H
if (!catch_sigsegv){
// if the --no-parachute was used, restore the default behaviour
signal(SIGBUS,SIG_DFL);
signal(SIGSEGV,SIG_DFL);
signal(SIGFPE,SIG_DFL);
signal(SIGINT,SIG_DFL);
}
#endif
ChunkTab = Tab.GetChunks(&ChunkCount);
#ifdef _DEBUG_
Tab.PrintTab();
#endif
ATRACK("handling info mode");
/////////////////////////////////////////////////////////////////
// Handle Info mode
/////////////////////////////////////////////////////////////////
if (want_info){
Tab.PrintInfos();
#ifdef NEED_END_MESSAGE
endMessage();
#endif
return 0;
}
ChunkTab=Tab.GetChunks(&ChunkCount);
// from here we need at least one chunk
if (ChunkCount==0){
fprintf(stderr,"nothing to do \n");
return 0;
}
RTRACK;
ATRACK("demux mode");
/////////////////////////////////////////////////////////////////
// Handle demux mode
/////////////////////////////////////////////////////////////////
if (demux){
if (ChunkCount!=1){
fprintf(stderr,"demux currently requires exactly one mpeg file\n");
return 1;
}
if (!basename_specified){
fprintf(stderr,"No base name specified, defaulting to basename : chunk\n");
mybasename="chunk";
}
demuxer Dmux(ChunkTab[0]->mpegfile, mybasename,confirm_files);
Dmux.Process();
//check the errors!
#ifdef NEED_END_MESSAGE
endMessage();
#endif
return 0;
}
// from here we need at least one chunk
if (ChunkCount==0){
fprintf(stderr,"nothing to do \n");
return 0;
}
// Tab.PrintTab();
RTRACK;
ATRACK("join mode");
/////////////////////////////////////////////////////////////////
// All files are joined
/////////////////////////////////////////////////////////////////
if (joined) {
if (!opresent) {
myoutfile = new char[500];
if (ChunkTab[0]->mpegfile->has_video() == false)
sprintf(myoutfile, "chunk.mp3");
else
sprintf(myoutfile, "chunk.mpg");
}
if (ChunkCount >1) {
for ( i = 1; i < ChunkCount ; i++)
{
if(!ChunkTab[0]->mpegfile->Match(ChunkTab[i]->mpegfile))
{
if (force_option)
fprintf(stderr, "Specified files don't seem to be compatible\n");
else {
fprintf(stderr, "Specified files are not compatible, if you still want to join them use --force switch\n");
return 1;
}
}
//okay they match
}
}
if (!strcmp(myoutfile,"-")){
//output to stdout
current_out=TheFac.NewMpegFrom(ChunkTab[0]->mpegfile,stdout);
if (!current_out){
fprintf(stderr,"\nFatal : could not process file\n");
}
}
else {
//output to myoutfile
// if (!force_action)
if (confirm_files && !mpgtx_access(myoutfile))
{
fprintf(stderr,"file %s already exist. erase ? [n/y/a]:", myoutfile);
fflush(stderr);
answer=getchar();
while (getchar() != '\n'); //flush the leading \n
if (answer!='y' && answer !='Y' && answer != 'a' && answer != 'A') {
fprintf(stderr,"Aborted\n");
return 0;
}
if (answer == 'a' || answer == 'A') confirm_files = false;
}
current_out = TheFac.NewMpegFrom(ChunkTab[0]->mpegfile, myoutfile);
if (!current_out)
fprintf(stderr,"\nFatal : could not process file %s\n",myoutfile);
}
if (!current_out){
//something went wrong
return 0;
}
for ( i=0;i<ChunkCount;i++)
{
fprintf(stderr,"Now processing %s %d/%d ... ",
ChunkTab[i]->mpegfile->FileName, i+1, ChunkCount);
fflush(stderr);
if (!current_out->WriteChunk(ChunkTab[i]->mpegfile, ChunkTab[i]->from,
ChunkTab[i]->from_included, ChunkTab[i]->to, ChunkTab[i]->to_included))
fprintf (stderr," failed, range results in an empty chunk\n");
else
fprintf(stderr,"\n");
}
current_out->Finish();
#ifdef NEED_END_MESSAGE
endMessage();
#endif
return 0;
}
if (inparts) {
RTRACK;
ATRACK("split mode");
/////////////////////////////////////////////////////////////////
// each chunk in one file
/////////////////////////////////////////////////////////////////
int myprec;
char sChunkCount[50];
//write ChunkCount as a string
sprintf(sChunkCount,"%d", ChunkCount + 1);
//now we now how many digits we need -> in myprec
myprec = strlen(sChunkCount);
if (!basename_specified) {
if (!opresent)
//neither -o nor -b, use default basename
mybasename="chunk";
else
{
if (ChunkCount >1){
fprintf(stderr,"-o option invalid for %d output files\n",ChunkCount);
return 1;
}
mybasename = new char[strlen(myoutfile)+1];
strcpy(mybasename, myoutfile);
}
}
myoutfile = new char[500];
for (i = 0;i < ChunkCount; i++)
{
//compute the name
if (ChunkTab[i]->mpegfile->has_video()==false)
{
if (opresent)
sprintf(myoutfile,"%s",mybasename);
else
{
if (ChunkCount==1)
sprintf(myoutfile,"%s.mp3",mybasename);
else
sprintf(myoutfile,"%s-%0*d.mp3",mybasename,myprec,i+1);
}
}
else
{
if (opresent)
sprintf(myoutfile,"%s",mybasename);
else
{
if (ChunkCount==1)
sprintf(myoutfile,"%s.mpg",mybasename);
else
sprintf(myoutfile,"%s-%0*d.mpg",mybasename,myprec,i+1);
}
}
if (confirm_files && !mpgtx_access(myoutfile))
{
fprintf(stderr,"file %s already exist. erase ?"
" [n/y/a]:",myoutfile);
fflush(stderr);
answer=getchar();
while (getchar() != '\n'); //flush the leading \n
if (answer != 'y' && answer != 'Y' && answer != 'a' && answer != 'A') {
fprintf(stderr,"Aborted\n");
return 0;
}
if (answer == 'a' || answer == 'A') confirm_files = false;
}
current_out = TheFac.NewMpegFrom(ChunkTab[0]->mpegfile, myoutfile);
if (!current_out) {
fprintf(stderr,"\nFatal : could not process %s\n", myoutfile);
return 1;
}
fprintf(stderr,"Now processing %s [%d/%d] ... ",
ChunkTab[i]->mpegfile->FileName, i+1, ChunkCount);
fflush(stderr);
if (!current_out->WriteChunk(ChunkTab[i]->mpegfile, ChunkTab[i]->from,
ChunkTab[i]->from_included, ChunkTab[i]->to, ChunkTab[i]->to_included))
fprintf (stderr," failed, range results in an empty chunk\n");
else
fprintf(stderr,"\n");
current_out->Finish();
} // for
delete [] myoutfile;
#ifdef NEED_END_MESSAGE
endMessage();
#endif
return 0;
}
//no action were taken
fprintf(stdout, "You must choose one options between -i -s -j\n");
fprintf(stdout, "Type %s -h for help\n", progname);
return 0;
}
#ifdef NEED_END_MESSAGE
void endMessage(void) {
fprintf(stderr,"-------Done--------\n");
}
#endif
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