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mkvtoolnix/mkvmerge.cpp
Moritz Bunkus 509608be2a added doxygen header
2003-02-16 12:17:11 +00:00

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/*
mkvmerge -- utility for splicing together matroska files
from component media subtypes
mkvmerge.cpp
Written by Moritz Bunkus <moritz@bunkus.org>
Distributed under the GPL
see the file COPYING for details
or visit http://www.gnu.org/copyleft/gpl.html
*/
/*!
\file
\version \$Id: mkvmerge.cpp,v 1.4 2003/02/16 12:17:10 mosu Exp $
\brief command line parameter parsing, looping, output handling
\author Moritz Bunkus <moritz @ bunkus.org>
*/
#include <errno.h>
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <iostream>
#include "StdIOCallback.h"
#include "EbmlHead.h"
#include "EbmlSubHead.h"
#include "FileKax.h"
#include "KaxSegment.h"
#include "KaxTracks.h"
#include "KaxTrackEntryData.h"
#include "KaxTrackAudio.h"
#include "KaxTrackVideo.h"
#include "KaxCluster.h"
#include "KaxClusterData.h"
#include "KaxBlock.h"
#include "KaxBlockAdditional.h"
#include "common.h"
#include "queue.h"
#include "r_avi.h"
#ifdef DMALLOC
#include <dmalloc.h>
#endif
using namespace LIBMATROSKA_NAMESPACE;
typedef struct {
char *ext;
int type;
char *desc;
} file_type_t;
typedef struct filelist_tag {
char *name;
FILE *fp;
int type;
int status;
packet_t *pack;
generic_reader_c *reader;
struct filelist_tag *next;
} filelist_t;
char *outfile = NULL;
filelist_t *input;
int create_index = 0;
int force_flushing = 0;
float video_fps = -1.0;
/*int idx_num = 0;
int *idx_serials = NULL;
int *idx_num_entries = NULL;
idx_entry **idx_entries = NULL;
index_packetizer_c **idx_packetizers = NULL;*/
file_type_t file_types[] =
{{"---", TYPEUNKNOWN, "<unknown>"},
{"demultiplexers:", -1, ""},
{"ogg", TYPEOGM, "general OGG media stream, Vorbis audio embedded in OGG"},
{"avi", TYPEAVI, "AVI (Audio/Video Interleaved)"},
{"wav", TYPEWAV, "WAVE (uncompressed PCM)"},
{"srt", TYPEWAV, "SRT text subtitles"},
{" ", TYPEMICRODVD, "MicroDVD text subtitles"},
{"idx", TYPEVOBSUB, "VobSub subtitles"},
{"mp3", TYPEMP3, "MPEG1 layer III audio (CBR and VBR/ABR)"},
{"ac3", TYPEAC3, "A/52 (aka AC3)"},
{"output modules:", -1, ""},
{" ", -1, "Vorbis audio"},
{" ", -1, "Video (not MPEG1/2)"},
{" ", -1, "uncompressed PCM audio"},
{" ", -1, "text subtitles"},
{" ", -1, "VobSub subtitles"},
{" ", -1, "MP3 audio"},
{" ", -1, "AC3 audio"},
{NULL, -1, NULL}};
static void usage(void) {
fprintf(stdout,
"mkvmerge -o out [global options] [options] <file1> [[options] <file2> ...]"
"\n\n Global options:\n"
" -v, --verbose verbose status\n"
" -q, --quiet suppress status output\n"
" -o, --output out Write to the file 'out'.\n"
" -i, --index Create index for the video streams.\n"
"\n Options for each input file:\n"
" -a, --astreams <n,m,...> Copy the n'th audio stream, NOT the stream with"
"\n the serial number n. Default: copy all audio\n"
" streams.\n"
" -d, --vstreams <n,m,...> Copy the n'th video stream, NOT the stream with"
"\n the serial number n. Default: copy all video\n"
" streams.\n"
" -t, --tstreams <n,m,...> Copy the n'th text stream, NOT the stream with"
"\n the serial number n. Default: copy all text\n"
" streams.\n"
" -A, --noaudio Don't copy any audio stream from this file.\n"
" -D, --novideo Don't copy any video stream from this file.\n"
" -T, --notext Don't copy any text stream from this file.\n"
" -s, --sync <d[,o[/p]]> Ssynchronize, delay the audio stream by d ms.\n"
" d > 0: Pad with silent samples.\n"
" d < 0: Remove samples from the beginning.\n"
" o/p: Adjust the timestamps by o/p to fix\n"
" linear drifts. p defaults to 1000 if\n"
" omitted. Both o and p can be floating point\n"
" numbers.\n"
" -r, --range <s-e> Only process from start to end. Both values\n"
" take the form 'HH:MM:SS.mmm' or 'SS.mmm',\n"
" e.g. '00:01:00.500' or '60.500'. If one of\n"
" s or e is omitted then it defaults to 0 or\n"
" to end of the file respectively.\n"
" -c, --comment 'A=B#C=D' Set additional comment fields for the\n"
" streams. Sesitive values would be\n"
" 'LANGUAGE=English' or 'TITLE=Ally McBeal'.\n"
" -f, --fourcc <FOURCC> Forces the FourCC to the specified value.\n"
" Works only for video streams.\n"
"\n"
" Other options:\n"
" -l, --list-types Lists supported input file types.\n"
" -h, --help Show this help.\n"
" -V, --version Show version information.\n"
);
}
static void set_defaults(void) {
/* set defaults */
outfile = NULL;
input = NULL;
verbose = 1;
}
static int get_type(char *filename) {
FILE *f = fopen(filename, "r");
u_int64_t size;
if (f == NULL) {
fprintf(stderr, "Error: could not open source file (%s).\n", filename);
exit(1);
}
if (fseek(f, 0, SEEK_END) != 0) {
fprintf(stderr, "Error: could not seek to end of file (%s).\n", filename);
exit(1);
}
size = ftell(f);
if (fseek(f, 0, SEEK_SET) != 0) {
fprintf(stderr, "Error: could not seek to beginning of file (%s).\n",
filename);
exit(1);
}
if (avi_reader_c::probe_file(f, size))
return TYPEAVI;
/* else if (wav_reader_c::probe_file(f, size))
return TYPEWAV;
else if (ogm_reader_c::probe_file(f, size))
return TYPEOGM;
else if (srt_reader_c::probe_file(f, size))
return TYPESRT;
else if (mp3_reader_c::probe_file(f, size))
return TYPEMP3;
else if (ac3_reader_c::probe_file(f, size))
return TYPEAC3;
else if (microdvd_reader_c::probe_file(f, size))
return TYPEMICRODVD;
else if (vobsub_reader_c::probe_file(f, size))
return TYPEVOBSUB;
else if (chapter_information_probe(f, size))
return TYPECHAPTERS;
else*/
return TYPEUNKNOWN;
}
static void add_file(filelist_t *file) {
filelist_t *temp;
if (input == NULL) {
input = file;
} else {
temp = input;
while (temp->next) temp = temp->next;
temp->next = file;
}
}
static int display_counter = 1;
void display_progress(int force) {
filelist_t *winner, *current;
if (((display_counter % 500) == 0) || force) {
display_counter = 0;
winner = input;
current = winner->next;
while (current) {
if (current->reader->display_priority() >
winner->reader->display_priority())
winner = current;
current = current->next;
}
winner->reader->display_progress();
}
display_counter++;
}
static unsigned char *parse_streams(char *s) {
char *c = s;
char *nstart;
int n, nstreams;
unsigned char *streams;
nstart = NULL;
streams = NULL;
nstreams = 0;
while (*c) {
if ((*c >= '0') && (*c <= '9')) {
if (nstart == NULL)
nstart = c;
} else if (*c == ',') {
*c = 0;
if (nstart != NULL) {
n = atoi(nstart);
if ((n <= 0) || (n > 255)) {
fprintf(stderr, "Error: stream number out of range (1..255): %d\n",
n);
exit(1);
}
streams = (unsigned char *)realloc(streams, nstreams + 2);
if (streams == NULL)
die("malloc");
streams[nstreams] = (unsigned char)n;
streams[nstreams + 1] = 0;
nstart = NULL;
nstreams++;
} else
fprintf(stderr, "Warning: useless use of ','\n");
} else if (!isspace(*c)) {
fprintf(stderr, "Error: unrecognized character in stream list: '%c'\n",
*c);
exit(1);
}
c++;
}
if (nstart != NULL) {
n = atoi(nstart);
if ((n <= 0) || (n > 255)) {
fprintf(stderr, "Error: stream number out of range (1..255): %d\n",
n);
exit(1);
}
streams = (unsigned char *)realloc(streams, nstreams + 2);
if (streams == NULL)
die("malloc");
streams[nstreams] = (unsigned char)n;
streams[nstreams + 1] = 0;
nstart = NULL;
nstreams++;
}
return streams;
}
static void parse_sync(char *s, audio_sync_t *async) {
char *linear, *div;
double d1, d2;
if ((linear = strchr(s, ',')) != NULL) {
*linear = 0;
linear++;
div = strchr(linear, '/');
if (div == NULL)
async->linear = strtod(linear, NULL) / 1000.0;
else {
*div = 0;
div++;
d1 = strtod(linear, NULL);
d2 = strtod(div, NULL);
if (d2 == 0.0) {
fprintf(stderr, "Error: linear sync: division by zero?\n");
exit(1);
}
async->linear = d1 / d2;
}
if (async->linear <= 0.0) {
fprintf(stderr, "Error: linear sync value may not be <= 0.\n");
exit(1);
}
} else
async->linear = 1.0;
async->displacement = atoi(s);
}
static double parse_time(char *s) {
char *c, *a, *dot;
int num_colons;
double seconds;
dot = strchr(s, '.');
if (dot != NULL) {
*dot = 0;
dot++;
}
for (c = s, num_colons = 0; *c; c++) {
if (*c == ':')
num_colons++;
else if ((*c < '0') || (*c > '9')) {
fprintf(stderr, "ERROR: illegal character '%c' in time range.\n", *c);
exit(1);
}
}
if (num_colons > 2) {
fprintf(stderr, "ERROR: illegal time range: %s.\n", s);
exit(1);
}
if (num_colons == 0) {
seconds = strtod(s, NULL);
if (dot != NULL)
seconds += strtod(dot, NULL) / 1000.0;
}
for (a = s, c = s, seconds = 0; *c; c++) {
if (*c == ':') {
*c = 0;
seconds *= 60;
seconds += atoi(a);
a = c + 1;
}
}
seconds *= 60;
seconds += atoi(a);
if (dot != NULL)
seconds += strtod(dot, NULL) / 1000.0;
return seconds;
}
static void parse_range(char *s, range_t *range) {
char *end;
end = strchr(s, '-');
if (end != NULL) {
*end = 0;
end++;
range->end = parse_time(end);
} else
range->end = 0;
range->start = parse_time(s);
if ((range->end != 0) && (range->end < range->start)) {
fprintf(stderr, "ERROR: end time is set before start time.\n");
exit(1);
}
}
static void parse_args(int argc, char **argv) {
int i, j;
int noaudio, novideo, notext;
unsigned char *astreams, *vstreams, *tstreams;
filelist_t *file;
audio_sync_t async;
range_t range;
char **comments, *fourcc;
// vorbis_comment *chapters;
noaudio = 0;
novideo = 0;
notext = 0;
astreams = NULL;
vstreams = NULL;
tstreams = NULL;
memset(&range, 0, sizeof(range_t));
async.displacement = 0;
async.linear = 1.0;
comments = NULL;
fourcc = NULL;
// chapters = NULL;
for (i = 1; i < argc; i++)
if (!strcmp(argv[i], "-V") || !strcmp(argv[i], "--version")) {
fprintf(stdout, "mkvmerge v" VERSION "\n");
exit(0);
} else if (!strcmp(argv[i], "-i") || !strcmp(argv[i], "--index"))
create_index = 1;
for (i = 1; i < argc; i++) {
if (!strcmp(argv[i], "-q"))
verbose = 0;
else if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--verbose"))
verbose = 2;
else if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "-?") ||
!strcmp(argv[i], "--help")) {
usage();
exit(0);
} else if (!strcmp(argv[i], "-o") || !strcmp(argv[i], "--output")) {
if ((i + 1) >= argc) {
fprintf(stderr, "Error: -o lacks a file name.\n");
exit(1);
} else if (outfile != NULL) {
fprintf(stderr, "Error: only one output file allowed.\n");
exit(1);
}
outfile = (char *)strdup(argv[i + 1]);
i++;
} else if (!strcmp(argv[i], "-l") || !strcmp(argv[i], "--list-types")) {
fprintf(stdout, "Known file types:\n ext description\n" \
" --- --------------------------\n");
for (j = 1; file_types[j].ext; j++)
fprintf(stdout, " %s %s\n", file_types[j].ext, file_types[j].desc);
exit(0);
} else if (!strcmp(argv[i], "-A") || !strcmp(argv[i], "--noaudio"))
noaudio = 1;
else if (!strcmp(argv[i], "-D") || !strcmp(argv[i], "--novideo"))
novideo = 1;
else if (!strcmp(argv[i], "-T") || !strcmp(argv[i], "--notext"))
notext = 1;
else if (!strcmp(argv[i], "-a") || !strcmp(argv[i], "--astreams")) {
if ((i + 1) >= argc) {
fprintf(stderr, "Error: -a lacks the stream number(s).\n");
exit(1);
}
if (astreams != NULL)
free(astreams);
astreams = parse_streams(argv[i + 1]);
i++;
} else if (!strcmp(argv[i], "-d") || !strcmp(argv[i], "--vstreams")) {
if ((i + 1) >= argc) {
fprintf(stderr, "Error: -d lacks the stream number(s).\n");
exit(1);
}
if (astreams != NULL)
free(vstreams);
vstreams = parse_streams(argv[i + 1]);
i++;
} else if (!strcmp(argv[i], "-t") || !strcmp(argv[i], "--tstreams")) {
if ((i + 1) >= argc) {
fprintf(stderr, "Error: -t lacks the stream number(s).\n");
exit(1);
}
if (tstreams != NULL)
free(tstreams);
tstreams = parse_streams(argv[i + 1]);
i++;
/* } else if (!strcmp(argv[i], "-c") || !strcmp(argv[i], "--comments")) {
if ((i + 1) >= argc) {
fprintf(stderr, "Error: -c lacks the comments.\n");
exit(1);
}
if (argv[i + 1][0] == '@')
comments = append_comments_from_file(argv[i + 1], comments);
else
comments = unpack_append_comments(argv[i + 1], comments);
#ifdef DEBUG
dump_comments(comments);
#endif // DEBUG
i++;*/
} else if (!strcmp(argv[i], "-f") || !strcmp(argv[i], "--fourcc")) {
if ((i + 1) >= argc) {
fprintf(stderr, "Error: -f lacks the FourCC.\n");
exit(1);
}
fourcc = argv[i + 1];
if (strlen(fourcc) != 4) {
fprintf(stderr, "Error: The FourCC must be exactly four chars long.\n");
exit(1);
}
i++;
} else if (!strcmp(argv[i], "-s") || !strcmp(argv[i], "--sync")) {
if ((i + 1) >= argc) {
fprintf(stderr, "Error: -s lacks the audio delay.\n");
exit(1);
}
parse_sync(argv[i + 1], &async);
i++;
} else if (!strcmp(argv[i], "-r") || !strcmp(argv[i], "--range")) {
if ((i + 1) >= argc) {
fprintf(stderr, "Error: -r lacks the range.\n");
exit(1);
}
parse_range(argv[i + 1], &range);
i++;
} else if (!strcmp(argv[i], "-i") || !strcmp(argv[i], "--index"))
create_index = 1;
else {
if ((astreams != NULL) && noaudio) {
fprintf(stderr, "Error: -A and -a used on the same source file.\n");
exit(1);
}
if ((vstreams != NULL) && novideo) {
fprintf(stderr, "Error: -D and -d used on the same source file.\n");
exit(1);
}
if ((tstreams != NULL) && notext) {
fprintf(stderr, "Error: -T and -t used on the same source file.\n");
exit(1);
}
if (noaudio) {
astreams = (unsigned char *)malloc(1);
if (astreams == NULL)
die("malloc");
*astreams = 0;
}
if (novideo) {
vstreams = (unsigned char *)malloc(1);
if (vstreams == NULL)
die("malloc");
*vstreams = 0;
}
if (notext) {
tstreams = (unsigned char *)malloc(1);
if (tstreams == NULL)
die("malloc");
*tstreams = 0;
}
file = (filelist_t *)malloc(sizeof(filelist_t));
if (file == NULL)
die("malloc");
file->name = argv[i];
file->type = get_type(file->name);
if (file->type == TYPEUNKNOWN) {
fprintf(stderr, "Error: File %s has unknown type. Please have a look "
"at the supported file types ('mkvmerge --list-types') and "
"contact me at moritz@bunkus.org if your file type is "
"supported but not recognized properly.\n", file->name);
exit(1);
}
file->fp = NULL;
try {
switch (file->type) {
/* case TYPEOGM:
file->reader = new ogm_reader_c(file->name, astreams, vstreams,
tstreams, &async, &range,
comments, fourcc);
break;*/
case TYPEAVI:
if (tstreams != NULL)
fprintf(stderr, "Warning: -t/-T are ignored for AVI files.\n");
file->reader = new avi_reader_c(file->name);/*, astreams, vstreams,
&async, &range, comments, fourcc);*/
break;
/* case TYPEWAV:
if ((astreams != NULL) || (vstreams != NULL) ||
(tstreams != NULL))
fprintf(stderr, "Warning: -a/-A/-d/-D/-t/-T are ignored for " \
"WAVE files.\n");
file->reader = new wav_reader_c(file->name, &async, &range,
comments);
break;
case TYPESRT:
if ((astreams != NULL) || (vstreams != NULL) ||
(tstreams != NULL))
fprintf(stderr, "Warning: -a/-A/-d/-D/-t/-T are ignored for " \
"SRT files.\n");
file->reader = new srt_reader_c(file->name, &async, &range,
comments);
break;
case TYPEMP3:
if ((astreams != NULL) || (vstreams != NULL) ||
(tstreams != NULL))
fprintf(stderr, "Warning: -a/-A/-d/-D/-t/-T are ignored for " \
"MP3 files.\n");
file->reader = new mp3_reader_c(file->name, &async, &range,
comments);
break;
case TYPEAC3:
if ((astreams != NULL) || (vstreams != NULL) ||
(tstreams != NULL))
fprintf(stderr, "Warning: -a/-A/-d/-D/-t/-T are ignored for " \
"AC3 files.\n");
file->reader = new ac3_reader_c(file->name, &async, &range,
comments);
break;
case TYPECHAPTERS:
if (chapters != NULL) {
fprintf(stderr, "Error: only one chapter file allowed.\n");
exit(1);
}
chapters = chapter_information_read(file->name);
break;
case TYPEMICRODVD:
if ((astreams != NULL) || (vstreams != NULL) ||
(tstreams != NULL))
fprintf(stderr, "Warning: -a/-A/-d/-D/-t/-T are ignored for " \
"MicroDVD files.\n");
file->reader = new microdvd_reader_c(file->name, &async, &range,
comments);
break;
case TYPEVOBSUB:
if ((astreams != NULL) || (vstreams != NULL) ||
(tstreams != NULL))
fprintf(stderr, "Warning: -a/-A/-d/-D/-t/-T are ignored for " \
"VobSub files.\n");
file->reader = new vobsub_reader_c(file->name, &async, &range,
comments);
break;*/
default:
fprintf(stderr, "EVIL internal bug! (unknown file type)\n");
exit(1);
break;
}
} catch (error_c error) {
fprintf(stderr, "Demultiplexer failed to initialize:\n%s\n",
error.get_error());
exit(1);
}
if (file->type != TYPECHAPTERS) {
file->status = EMOREDATA;
file->next = NULL;
file->pack = NULL;
add_file(file);
} else
free(file);
// free_comments(comments);
// comments = NULL;
fourcc = NULL;
noaudio = 0;
novideo = 0;
notext = 0;
if (astreams != NULL) {
free(astreams);
astreams = NULL;
}
if (vstreams != NULL) {
free(vstreams);
vstreams = NULL;
}
async.displacement = 0;
async.linear = 1.0;
memset(&range, 0, sizeof(range_t));
}
}
if (input == NULL) {
usage();
exit(1);
}
if (outfile == NULL) {
fprintf(stderr, "Error: no output files given.\n");
exit(1);
}
/* if (chapters != NULL) {
file = input;
while (file != NULL) {
file->reader->set_chapter_info(chapters);
file = file->next;
}
vorbis_comment_clear(chapters);
free(chapters);
chapters = NULL;
}*/
}
/*void add_index(int serial) {
int i, found = -1;
if (!create_index)
return;
for (i = 0; i < idx_num; i++)
if (idx_serials[i] == serial) {
found = i;
break;
}
if (found == -1) {
idx_serials = (int *)realloc(idx_serials, (idx_num + 1) * sizeof(int));
if (idx_serials == NULL)
die("realloc");
idx_num_entries = (int *)realloc(idx_num_entries, (idx_num + 1) *
sizeof(int));
if (idx_num_entries == NULL)
die("realloc");
idx_packetizers = (index_packetizer_c **)
realloc(idx_packetizers, (idx_num + 1) * sizeof(index_packetizer_c));
if (idx_packetizers == NULL)
die("realloc");
idx_entries = (idx_entry **)realloc(idx_entries, (idx_num + 1) *
sizeof(idx_entry));
if (idx_entries == NULL)
die("realloc");
i = idx_num;
idx_serials[i] = serial;
idx_num_entries[i] = 0;
idx_entries[i] = NULL;
idx_num++;
try {
idx_packetizers[i] = new index_packetizer_c(serial);
} catch (error_c error) {
}
}
}
void add_to_index(int serial, ogg_int64_t granulepos, int64_t filepos) {
int i, found = -1;
for (i = 0; i < idx_num; i++)
if (idx_serials[i] == serial) {
found = i;
break;
}
if (found == -1) {
fprintf(stderr, "Internal error: add_to_index for a serial without " \
"add_index for that serial.\n");
exit(1);
}
idx_entries[i] = (idx_entry *)realloc(idx_entries[i], sizeof(idx_entry) *
(idx_num_entries[i] + 1));
if (idx_entries[i] == NULL)
die("realloc");
idx_entries[i][idx_num_entries[i]].granulepos = granulepos;
idx_entries[i][idx_num_entries[i]].filepos = filepos;
idx_num_entries[i]++;
}*/
int write_packet(packet_t *pack, filelist_t *file) {
/* ogg_page *page;
off_t bytes;
page = mpage->og;
if (verbose > 1)
fprintf(stdout, "%f (timestamp) written %spage for %s\n",
mpage->timestamp, s, (file != NULL) ? file->name : "an index");
bytes = fwrite(page->header, 1, page->header_len, out);
if (bytes != page->header_len) {
fprintf(stderr, "Error: Output error writing to %s: %d (%s).\n",
outfile, errno, strerror(errno));
return 1;
}
bytes = fwrite(page->body, 1, page->body_len, out);
if (bytes != page->body_len) {
fprintf(stderr, "Error: Output error writing to %s: %d (%s).\n",
outfile, errno, strerror(errno));
return 1;
}*/
free(pack->data);
free(pack);
return 0;
}
void render_head(StdIOCallback *out) {
EbmlHead head;
EDocType &doc_type = GetChild<EDocType>(head);
*static_cast<EbmlString *>(&doc_type) = "matroska";
EDocTypeVersion &doc_type_ver = GetChild<EDocTypeVersion>(head);
*(static_cast<EbmlUInteger *>(&doc_type_ver)) = 1;
EDocTypeReadVersion &doc_type_read_ver =
GetChild<EDocTypeReadVersion>(head);
*(static_cast<EbmlUInteger *>(&doc_type_read_ver)) = 1;
head.Render(static_cast<StdIOCallback &>(*out));
}
int main(int argc, char **argv) {
KaxSegment kax_segment;
// KaxTracks &kax_tracks;
filelist_t *file, *winner;
int first_pages = 1;
packet_t *pack;
int i, result;
StdIOCallback *out;
nice(2);
set_defaults();
parse_args(argc, argv);
/* open output file */
try {
out = new StdIOCallback(outfile, MODE_CREATE);
} catch (std::exception &ex) {
fprintf(stderr, "Error: Couldn't open output file %s (%s).\n", outfile,
strerror(errno));
exit(1);
}
try {
render_head(out);
kax_segment.Render(static_cast<StdIOCallback &>(*out));
} catch (std::exception &ex) {
fprintf(stderr, "Error: Could not render the file header.\n");
exit(1);
}
/* let her rip! */
while (1) {
/* Step 1: make sure an ogg page is available for each input
** as long we havne't already processed the last one
*/
file = input;
while (file) {
if (file->status == EMOREDATA)
file->status = file->reader->read();
file = file->next;
}
file = input;
while (file) {
if (file->pack == NULL)
file->pack = file->reader->get_packet();
file = file->next;
}
/* Step 2: Pick the page with the lowest timestamp and
** stuff it into the Matroska file
*/
file = input;
winner = file;
file = file->next;
while (file) {
if (file->pack != NULL) {
if (winner->pack == NULL)
winner = file;
else if (file->pack &&
(file->pack->timestamp < winner->pack->timestamp))
winner = file;
}
file = file->next;
}
if (winner->pack != NULL)
pack = winner->pack;
else /* exit if there are no more packets */
break;
/* Step 3: Write out the winning packet */
/* if (create_index && (mpage->index_serial != -1))
add_to_index(mpage->index_serial, ogg_page_granulepos(page), ftell(out));
if ((result = write_ogg_page(mpage, "", file)) != 0)
exit(result);*/
if ((result = write_packet(pack, file)) != 0)
exit(result);
winner->pack = NULL;
/* display some progress information */
if (verbose == 1)
display_progress(0);
}
if (verbose == 1) {
display_progress(1);
fprintf(stdout, "\n");
}
file = input;
while (file) {
filelist_t *next = file->next;
if (file->reader)
delete file->reader;
free(file);
file = next;
}
/* if (create_index) {
for (i = 0; i < idx_num; i++) {
fprintf(stdout, "serial %d num_entries %d size %d\n", idx_serials[i],
idx_num_entries[i], idx_num_entries[i] * sizeof(idx_entry));
idx_packetizers[i]->process(&idx_entries[i][0], idx_num_entries[i]);
while ((mpage = idx_packetizers[i]->get_page()) != NULL)
if ((result = write_ogg_page(mpage, "", NULL)) != 0)
exit(result);
delete idx_packetizers[i];
}
}*/
delete out;
return 0;
}
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