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mkvtoolnix/mkvinfo.cpp
Moritz Bunkus ebde1c63e8 Started an optional GUI for mkvinfo.
2003-05-28 07:39:45 +00:00

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/*
mkvinfo -- utility for gathering information about Matroska files
mkvinfo.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: mkvinfo.cpp,v 1.49 2003/05/28 07:39:45 mosu Exp $
\brief retrieves and displays information about a Matroska file
\author Moritz Bunkus <moritz@bunkus.org>
*/
#include <errno.h>
#include <ctype.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
//SLM
#ifdef WIN32
#include <assert.h>
#else
#include <unistd.h>
#endif
#include <iostream>
#ifdef LIBEBML_GCC2
#include <typeinfo>
#endif
extern "C" {
#include "avilib/avilib.h"
}
#include "EbmlHead.h"
#include "EbmlSubHead.h"
#include "EbmlStream.h"
#include "EbmlVoid.h"
#include "FileKax.h"
#include "KaxAttachements.h"
#include "KaxBlock.h"
#include "KaxBlockData.h"
#include "KaxChapters.h"
#include "KaxCluster.h"
#include "KaxClusterData.h"
#include "KaxCues.h"
#include "KaxCuesData.h"
#include "KaxInfo.h"
#include "KaxInfoData.h"
#include "KaxSeekHead.h"
#include "KaxSegment.h"
#include "KaxTags.h"
#include "KaxTracks.h"
#include "KaxTrackEntryData.h"
#include "KaxTrackAudio.h"
#include "KaxTrackVideo.h"
#include "mkvinfo.h"
#include "common.h"
#include "matroska.h"
#include "mm_io.h"
using namespace LIBMATROSKA_NAMESPACE;
using namespace std;
typedef struct {
unsigned int tnum, tuid;
char type;
int64_t size;
} mkv_track_t;
mkv_track_t **tracks = NULL;
int num_tracks = 0;
void add_track(mkv_track_t *s) {
tracks = (mkv_track_t **)saferealloc(tracks, sizeof(mkv_track_t *) *
(num_tracks + 1));
tracks[num_tracks] = s;
num_tracks++;
}
mkv_track_t *find_track(int tnum) {
int i;
for (i = 0; i < num_tracks; i++)
if (tracks[i]->tnum == tnum)
return tracks[i];
return NULL;
}
mkv_track_t *find_track_by_uid(int tuid) {
int i;
for (i = 0; i < num_tracks; i++)
if (tracks[i]->tuid == tuid)
return tracks[i];
return NULL;
}
void usage() {
fprintf(stdout,
"Usage: mkvinfo [options] inname\n\n"
" options:\n"
#ifdef HAVE_WXWINDOWS
" -g, --gui Start the GUI. All other options are ignored.\n"
#endif
" inname Use 'inname' as the source.\n"
" -v, --verbose Increase verbosity. See the man page for a detailed\n"
" description of what mkvinfo outputs.\n"
" -h, --help Show this help.\n"
" -V, --version Show version information.\n");
}
#define ARGS_BUFFER_LEN (200 * 1024) // Ok let's be ridiculous here :)
static char args_buffer[ARGS_BUFFER_LEN];
void show_error(const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
args_buffer[ARGS_BUFFER_LEN - 1] = 0;
vsnprintf(args_buffer, ARGS_BUFFER_LEN - 1, fmt, ap);
va_end(ap);
// Now this is where the future GUI code will add this entry to the
// tree view or whatever. For now just dump the stuff to stdout.
fprintf(stdout, "(%s) %s\n", NAME, args_buffer);
}
void show_element(EbmlElement *l, int level, const char *fmt, ...) {
va_list ap;
char level_buffer[10];
if (level > 9)
die("level > 9: %d", level);
va_start(ap, fmt);
args_buffer[ARGS_BUFFER_LEN - 1] = 0;
vsnprintf(args_buffer, ARGS_BUFFER_LEN - 1, fmt, ap);
va_end(ap);
// Now this is where the future GUI code will add this entry to the
// tree view or whatever. For now just dump the stuff to stdout.
if (level >= 0) {
memset(&level_buffer[1], ' ', 9);
level_buffer[0] = '|';
level_buffer[level] = 0;
fprintf(stdout, "(%s) %s+ %s", NAME, level_buffer, args_buffer);
if ((verbose > 1) && (l != NULL))
fprintf(stdout, " at %llu", l->GetElementPosition());
fprintf(stdout, "\n");
} else
fprintf(stdout, "(%s) + %s\n", NAME, args_buffer);
}
#define show_info(f, args...) show_element(NULL, -1, f, ## args)
#define show_warning(l, f, args...) show_element(NULL, l, f, ## args)
#define show_unknown_element(e, l) \
show_element(e, l, "Unknown element: %s", typeid(*e).name())
void parse_args(int argc, char **argv, char *&file_name, bool &use_gui) {
int i;
verbose = 0;
file_name = NULL;
use_gui = false;
for (i = 1; i < argc; i++)
if (!strcmp(argv[i], "-g") || !strcmp(argv[i], "--gui")) {
#ifndef HAVE_WXWINDOWS
fprintf(stderr, "Error: mkvinfo was compiled without GUI support.\n");
exit(1);
#else // HAVE_WXWINDOWS
use_gui = true;
#endif // HAVE_WXWINDOWS
} else if (!strcmp(argv[i], "-V") || !strcmp(argv[i], "--version")) {
fprintf(stdout, "mkvinfo v" VERSION "\n");
exit(0);
} else if (!strcmp(argv[i], "-v") || ! strcmp(argv[i], "--verbose"))
verbose++;
else if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "-?") ||
!strcmp(argv[i], "--help")) {
usage();
exit(0);
} else if (file_name != NULL) {
fprintf(stderr, "Error: Only one input file is allowed.\n");
exit(1);
} else
file_name = argv[i];
}
int is_ebmlvoid(EbmlElement *l, int level) {
if (EbmlId(*l) == EbmlVoid::ClassInfos.GlobalId) {
show_element(l, level, "EbmlVoid");
return 1;
}
return 0;
}
bool process_file(const char *file_name) {
int upper_lvl_el, i;
// Elements for different levels
EbmlElement *l0 = NULL, *l1 = NULL, *l2 = NULL, *l3 = NULL, *l4 = NULL;
EbmlElement *l5 = NULL;
EbmlStream *es;
KaxCluster *cluster;
uint64_t cluster_tc, tc_scale = TIMECODE_SCALE;
char mkv_track_type;
bool ms_compat;
mm_io_c *in;
// open input file
try {
in = new mm_io_c(file_name, MODE_READ);
} catch (std::exception &ex) {
show_error("Error: Couldn't open input file %s (%s).\n", file_name,
strerror(errno));
return false;
}
try {
es = new EbmlStream(*in);
// Find the EbmlHead element. Must be the first one.
l0 = es->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
if (l0 == NULL) {
show_error("No EBML head found.");
delete es;
return false;
}
show_element(l0, 0, "EBML head");
// Don't verify its data for now.
l0->SkipData(*es, l0->Generic().Context);
delete l0;
while (1) {
// Next element must be a segment
l0 = es->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
if (l0 == NULL) {
show_error("No segment/level 0 element found.");
return false;
}
if (EbmlId(*l0) == KaxSegment::ClassInfos.GlobalId) {
show_element(l0, 0, "segment");
break;
}
show_element(l0, 0, "Next level 0 element is not a segment but %s",
typeid(*l0).name());
l0->SkipData(*es, l0->Generic().Context);
delete l0;
}
upper_lvl_el = 0;
// We've got our segment, so let's find the tracks
l1 = es->FindNextElement(l0->Generic().Context, upper_lvl_el, 0xFFFFFFFFL,
true, 1);
while (l1 != NULL) {
if (upper_lvl_el != 0)
break;
if (EbmlId(*l1) == KaxInfo::ClassInfos.GlobalId) {
// General info about this Matroska file
show_element(l1, 1, "Segment information");
l2 = es->FindNextElement(l1->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
while (l2 != NULL) {
if (upper_lvl_el != 0)
break;
if (EbmlId(*l2) == KaxTimecodeScale::ClassInfos.GlobalId) {
KaxTimecodeScale &ktc_scale = *static_cast<KaxTimecodeScale *>(l2);
ktc_scale.ReadData(es->I_O());
tc_scale = uint64(ktc_scale);
show_element(l2, 2, "Timecode scale: %llu", tc_scale);
} else if (EbmlId(*l2) == KaxDuration::ClassInfos.GlobalId) {
KaxDuration &duration = *static_cast<KaxDuration *>(l2);
duration.ReadData(es->I_O());
show_element(l2, 2, "Duration: %.3fs",
float(duration) * tc_scale / 1000000000.0);
} else if (EbmlId(*l2) == KaxMuxingApp::ClassInfos.GlobalId) {
KaxMuxingApp &muxingapp = *static_cast<KaxMuxingApp *>(l2);
muxingapp.ReadData(es->I_O());
#ifdef NO_WSTRING
show_element(l2, 2, "Muxing application: %s",
UTFstring(muxingapp).c_str());
#else
show_element(l2, 2, "Muxing application: %ls",
UTFstring(muxingapp).c_str());
#endif
} else if (EbmlId(*l2) == KaxWritingApp::ClassInfos.GlobalId) {
KaxWritingApp &writingapp = *static_cast<KaxWritingApp *>(l2);
writingapp.ReadData(es->I_O());
#ifdef NO_WSTRING
show_element(l2, 2, "Writing application: %s",
UTFstring(writingapp).c_str());
#else
show_element(l2, 2, "Writing application: %ls",
UTFstring(writingapp).c_str());
#endif
} else if (!is_ebmlvoid(l2, 2))
show_unknown_element(l2, 2);
if (upper_lvl_el > 0) { // we're coming from l3
upper_lvl_el--;
delete l2;
l2 = l3;
if (upper_lvl_el > 0)
break;
} else {
l2->SkipData(*es,
l2->Generic().Context);
delete l2;
l2 = es->FindNextElement(l1->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
}
}
} else if (EbmlId(*l1) == KaxTracks::ClassInfos.GlobalId) {
// Yep, we've found our KaxTracks element. Now find all tracks
// contained in this segment.
show_element(l1, 1, "Segment tracks");
l2 = es->FindNextElement(l1->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
while (l2 != NULL) {
if (upper_lvl_el != 0)
break;
if (EbmlId(*l2) == KaxTrackEntry::ClassInfos.GlobalId) {
// We actually found a track entry :) We're happy now.
show_element(l2, 2, "A track");
mkv_track_type = '?';
ms_compat = false;
l3 = es->FindNextElement(l2->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
while (l3 != NULL) {
if (upper_lvl_el != 0)
break;
// Now evaluate the data belonging to this track
if (EbmlId(*l3) == KaxTrackNumber::ClassInfos.GlobalId) {
KaxTrackNumber &tnum = *static_cast<KaxTrackNumber *>(l3);
tnum.ReadData(es->I_O());
show_element(l3, 3, "Track number: %u", uint32(tnum));
if (find_track(uint32(tnum)) != NULL)
show_warning(3, "Warning: There's more than one "
"track with the number %u.", uint32(tnum));
} else if (EbmlId(*l3) == KaxTrackUID::ClassInfos.GlobalId) {
KaxTrackUID &tuid = *static_cast<KaxTrackUID *>(l3);
tuid.ReadData(es->I_O());
fprintf(stdout, "(%s) | + Track UID: %u", NAME, uint32(tuid));
if (verbose > 1)
fprintf(stdout, " at %llu", l3->GetElementPosition());
fprintf(stdout, "\n");
if (find_track_by_uid(uint32(tuid)) != NULL)
fprintf(stdout, "(%s) | + Warning: There's more than one "
"track with the UID %u.\n", NAME, uint32(tuid));
} else if (EbmlId(*l3) == KaxTrackType::ClassInfos.GlobalId) {
KaxTrackType &ttype = *static_cast<KaxTrackType *>(l3);
ttype.ReadData(es->I_O());
switch (uint8(ttype)) {
case track_audio:
mkv_track_type = 'a';
break;
case track_video:
mkv_track_type = 'v';
break;
case track_subtitle:
mkv_track_type = 's';
break;
default:
mkv_track_type = '?';
break;
}
show_element(l3, 3, "Track type: %s",
mkv_track_type == 'a' ? "audio" :
mkv_track_type == 'v' ? "video" :
mkv_track_type == 's' ? "subtitles" :
"unknown");
} else if (EbmlId(*l3) == KaxTrackAudio::ClassInfos.GlobalId) {
show_element(l3, 3, "Audio track");
l4 = es->FindNextElement(l3->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
while (l4 != NULL) {
if (upper_lvl_el != 0)
break;
if (EbmlId(*l4) ==
KaxAudioSamplingFreq::ClassInfos.GlobalId) {
KaxAudioSamplingFreq &freq =
*static_cast<KaxAudioSamplingFreq*>(l4);
freq.ReadData(es->I_O());
show_element(l4, 4, "Sampling frequency: %f",
float(freq));
} else if (EbmlId(*l4) ==
KaxAudioChannels::ClassInfos.GlobalId) {
KaxAudioChannels &channels =
*static_cast<KaxAudioChannels*>(l4);
channels.ReadData(es->I_O());
show_element(l4, 4, "Channels: %u", uint8(channels));
} else if (EbmlId(*l4) ==
KaxAudioBitDepth::ClassInfos.GlobalId) {
KaxAudioBitDepth &bps =
*static_cast<KaxAudioBitDepth*>(l4);
bps.ReadData(es->I_O());
show_element(l4, 4, "Bit depth: %u", uint8(bps));
} else if (!is_ebmlvoid(l4, 4))
show_unknown_element(l4, 4);
l4->SkipData(*es,
l4->Generic().Context);
delete l4;
l4 = es->FindNextElement(l3->Generic().Context,
upper_lvl_el, 0xFFFFFFFFL, true, 1);
} // while (l4 != NULL)
} else if (EbmlId(*l3) == KaxTrackVideo::ClassInfos.GlobalId) {
show_element(l3, 3, "Video track");
l4 = es->FindNextElement(l3->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
while (l4 != NULL) {
if (upper_lvl_el != 0)
break;
if (EbmlId(*l4) == KaxVideoPixelWidth::ClassInfos.GlobalId) {
KaxVideoPixelWidth &width =
*static_cast<KaxVideoPixelWidth *>(l4);
width.ReadData(es->I_O());
show_element(l4, 4, "Pixel width: %u", uint16(width));
} else if (EbmlId(*l4) ==
KaxVideoPixelHeight::ClassInfos.GlobalId) {
KaxVideoPixelHeight &height =
*static_cast<KaxVideoPixelHeight *>(l4);
height.ReadData(es->I_O());
show_element(l4, 4, "Pixel height: %u", uint16(height));
} else if (EbmlId(*l4) ==
KaxVideoDisplayWidth::ClassInfos.GlobalId) {
KaxVideoDisplayWidth &width =
*static_cast<KaxVideoDisplayWidth *>(l4);
width.ReadData(es->I_O());
show_element(l4, 4, "Display width: %u", uint16(width));
} else if (EbmlId(*l4) ==
KaxVideoDisplayHeight::ClassInfos.GlobalId) {
KaxVideoDisplayHeight &height =
*static_cast<KaxVideoDisplayHeight *>(l4);
height.ReadData(es->I_O());
show_element(l4, 4, "Display height: %u", uint16(height));
} else if (EbmlId(*l4) ==
KaxVideoFrameRate::ClassInfos.GlobalId) {
KaxVideoFrameRate &framerate =
*static_cast<KaxVideoFrameRate *>(l4);
framerate.ReadData(es->I_O());
show_element(l4, 4, "Frame rate: %f", float(framerate));
} else if (!is_ebmlvoid(l4, 4))
show_unknown_element(l4, 4);
l4->SkipData(*es, l4->Generic().Context);
delete l4;
l4 = es->FindNextElement(l3->Generic().Context,
upper_lvl_el, 0xFFFFFFFFL, true, 1);
} // while (l4 != NULL)
} else if (EbmlId(*l3) == KaxCodecID::ClassInfos.GlobalId) {
KaxCodecID &codec_id = *static_cast<KaxCodecID*>(l3);
codec_id.ReadData(es->I_O());
show_element(l3, 3, "Codec ID: %s", &binary(codec_id));
if ((!strcmp((char *)&binary(codec_id), MKV_V_MSCOMP) &&
(mkv_track_type == 'v')) ||
(!strcmp((char *)&binary(codec_id), MKV_A_ACM) &&
(mkv_track_type == 'a')))
ms_compat = true;
} else if (EbmlId(*l3) == KaxCodecPrivate::ClassInfos.GlobalId) {
char pbuffer[100];
KaxCodecPrivate &c_priv = *static_cast<KaxCodecPrivate*>(l3);
c_priv.ReadData(es->I_O());
if (ms_compat && (mkv_track_type == 'v') &&
(c_priv.GetSize() >= sizeof(BITMAPINFOHEADER))) {
BITMAPINFOHEADER *bih = (BITMAPINFOHEADER *)&binary(c_priv);
unsigned char *fcc = (unsigned char *)&bih->bi_compression;
sprintf(pbuffer, " (FourCC: %c%c%c%c, 0x%08x)",
fcc[0], fcc[1], fcc[2], fcc[3],
get_uint32(&bih->bi_compression));
} else if (ms_compat && (mkv_track_type == 'a') &&
(c_priv.GetSize() >= sizeof(WAVEFORMATEX))) {
WAVEFORMATEX *wfe = (WAVEFORMATEX *)&binary(c_priv);
sprintf(pbuffer, " (format tag: 0x%04x)",
get_uint16(&wfe->w_format_tag));
} else
pbuffer[0] = 0;
show_element(l3, 3, "CodecPrivate, length %llu%s",
c_priv.GetSize(), pbuffer);
} else if (EbmlId(*l3) ==
KaxTrackMinCache::ClassInfos.GlobalId) {
KaxTrackMinCache &min_cache =
*static_cast<KaxTrackMinCache*>(l3);
min_cache.ReadData(es->I_O());
show_element(l3, 3, "MinCache: %u", uint32(min_cache));
} else if (EbmlId(*l3) ==
KaxTrackMaxCache::ClassInfos.GlobalId) {
KaxTrackMaxCache &max_cache =
*static_cast<KaxTrackMaxCache*>(l3);
max_cache.ReadData(es->I_O());
show_element(l3, 3, "MaxCache: %u", uint32(max_cache));
} else if (EbmlId(*l3) ==
KaxTrackFlagLacing::ClassInfos.GlobalId) {
KaxTrackFlagLacing &f_lacing =
*static_cast<KaxTrackFlagLacing *>(l3);
f_lacing.ReadData(es->I_O());
show_element(l3, 3, "Lacing flag: %d", uint32(f_lacing));
} else if (EbmlId(*l3) ==
KaxTrackFlagDefault::ClassInfos.GlobalId) {
KaxTrackFlagDefault &f_default =
*static_cast<KaxTrackFlagDefault *>(l3);
f_default.ReadData(es->I_O());
show_element(l3, 3, "Default flag: %d", uint32(f_default));
} else if (EbmlId(*l3) ==
KaxTrackLanguage::ClassInfos.GlobalId) {
KaxTrackLanguage &language =
*static_cast<KaxTrackLanguage *>(l3);
language.ReadData(es->I_O());
show_element(l3, 3, "Language: %s", string(language).c_str());
} else if (!is_ebmlvoid(l3, 3))
show_unknown_element(l3, 3);
if (upper_lvl_el > 0) { // we're coming from l4
upper_lvl_el--;
delete l3;
l3 = l4;
if (upper_lvl_el > 0)
break;
} else {
l3->SkipData(*es,
l3->Generic().Context);
delete l3;
l3 = es->FindNextElement(l2->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
}
} // while (l3 != NULL)
} else if (!is_ebmlvoid(l2, 2))
show_unknown_element(l2, 2);
if (upper_lvl_el > 0) { // we're coming from l3
upper_lvl_el--;
delete l2;
l2 = l3;
if (upper_lvl_el > 0)
break;
} else {
l2->SkipData(*es,
l2->Generic().Context);
delete l2;
l2 = es->FindNextElement(l1->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
}
} // while (l2 != NULL)
} else if (EbmlId(*l1) == KaxSeekHead::ClassInfos.GlobalId) {
show_element(l1, 1, "Seek head");
l2 = es->FindNextElement(l1->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
while (l2 != NULL) {
if (upper_lvl_el != 0)
break;
if (EbmlId(*l2) == KaxSeek::ClassInfos.GlobalId) {
show_element(l2, 2, "Seek entry");
l3 = es->FindNextElement(l2->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
while (l3 != NULL) {
if (upper_lvl_el != 0)
break;
if (EbmlId(*l3) == KaxSeekID::ClassInfos.GlobalId) {
binary *b;
int s;
char pbuffer[100];
KaxSeekID &seek_id = static_cast<KaxSeekID &>(*l3);
seek_id.ReadData(es->I_O());
b = seek_id.GetBuffer();
s = seek_id.GetSize();
EbmlId id(b, s);
pbuffer[0] = 0;
for (i = 0; i < s; i++)
sprintf(&pbuffer[strlen(pbuffer)], "0x%02x ",
((unsigned char *)b)[i]);
show_element(l3, 3, "Seek ID: %s (%s)", pbuffer,
(id == KaxInfo::ClassInfos.GlobalId) ?
"KaxInfo" :
(id == KaxCluster::ClassInfos.GlobalId) ?
"KaxCluster" :
(id == KaxTracks::ClassInfos.GlobalId) ?
"KaxTracks" :
(id == KaxCues::ClassInfos.GlobalId) ?
"KaxCues" :
(id == KaxAttachements::ClassInfos.GlobalId) ?
"KaxAttachements" :
(id == KaxChapters::ClassInfos.GlobalId) ?
"KaxChapters" :
(id == KaxTags::ClassInfos.GlobalId) ?
"KaxTags" :
"unknown");
} else if (EbmlId(*l3) == KaxSeekPosition::ClassInfos.GlobalId) {
KaxSeekPosition &seek_pos =
static_cast<KaxSeekPosition &>(*l3);
seek_pos.ReadData(es->I_O());
show_element(l3, 3, "Seek position: %llu", uint64(seek_pos));
} else if (!is_ebmlvoid(l3, 3))
show_unknown_element(l3, 3);
l3->SkipData(*es,
l3->Generic().Context);
delete l3;
l3 = es->FindNextElement(l2->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
} // while (l3 != NULL)
} else if (!is_ebmlvoid(l2, 2))
show_unknown_element(l2, 2);
if (upper_lvl_el > 0) { // we're coming from l3
upper_lvl_el--;
delete l2;
l2 = l3;
if (upper_lvl_el > 0)
break;
} else {
l2->SkipData(*es,
l2->Generic().Context);
delete l2;
l2 = es->FindNextElement(l1->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
}
} // while (l2 != NULL)
} else if (EbmlId(*l1) == KaxCluster::ClassInfos.GlobalId) {
show_element(l1, 1, "Cluster");
if (verbose == 0) {
delete l1;
delete l0;
delete es;
delete in;
return true;
}
cluster = (KaxCluster *)l1;
l2 = es->FindNextElement(l1->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
while (l2 != NULL) {
if (upper_lvl_el != 0)
break;
if (EbmlId(*l2) == KaxClusterTimecode::ClassInfos.GlobalId) {
KaxClusterTimecode &ctc = *static_cast<KaxClusterTimecode *>(l2);
ctc.ReadData(es->I_O());
cluster_tc = uint64(ctc);
show_element(l2, 2, "Cluster timecode: %.3fs",
(float)cluster_tc * (float)tc_scale / 1000000000.0);
cluster->InitTimecode(cluster_tc);
} else if (EbmlId(*l2) == KaxBlockGroup::ClassInfos.GlobalId) {
show_element(l2, 2, "Block group");
l3 = es->FindNextElement(l2->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, false, 1);
while (l3 != NULL) {
if (upper_lvl_el > 0)
break;
if (EbmlId(*l3) == KaxBlock::ClassInfos.GlobalId) {
KaxBlock &block = *static_cast<KaxBlock *>(l3);
block.ReadData(es->I_O());
block.SetParent(*cluster);
show_element(l3, 3, "Block (track number %u, %d frame(s), "
"timecode %.3fs)", block.TrackNum(),
block.NumberFrames(),
(float)block.GlobalTimecode() / 1000000000.0);
for (i = 0; i < (int)block.NumberFrames(); i++) {
DataBuffer &data = block.GetBuffer(i);
show_element(NULL, 4, "Frame with size %u", data.Size());
}
} else if (EbmlId(*l3) ==
KaxBlockDuration::ClassInfos.GlobalId) {
KaxBlockDuration &duration =
*static_cast<KaxBlockDuration *>(l3);
duration.ReadData(es->I_O());
show_element(l3, 3, "Block duration: %.3fms",
((float)uint64(duration)) * tc_scale / 1000000.0);
} else if (EbmlId(*l3) ==
KaxReferenceBlock::ClassInfos.GlobalId) {
KaxReferenceBlock &reference =
*static_cast<KaxReferenceBlock *>(l3);
reference.ReadData(es->I_O());
show_element(l3, 3, "Reference block: %.3fms",
((float)int64(reference)) * tc_scale / 1000000.0);
} else if (!is_ebmlvoid(l3, 3))
show_unknown_element(l3, 3);
if (upper_lvl_el > 0) { // we're coming from l4
upper_lvl_el--;
delete l3;
l3 = l4;
if (upper_lvl_el > 0)
break;
} else {
l3->SkipData(*es,
l3->Generic().Context);
delete l3;
l3 = es->FindNextElement(l2->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
}
} // while (l3 != NULL)
} else if (!is_ebmlvoid(l2, 2))
show_unknown_element(l2, 2);
if (upper_lvl_el > 0) { // we're coming from l3
upper_lvl_el--;
delete l2;
l2 = l3;
if (upper_lvl_el > 0)
break;
} else {
l2->SkipData(*es,
l2->Generic().Context);
delete l2;
l2 = es->FindNextElement(l1->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
}
} // while (l2 != NULL)
} else if (EbmlId(*l1) == KaxCues::ClassInfos.GlobalId) {
show_element(l1, 1, "Cues");
l2 = es->FindNextElement(l1->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
while (l2 != NULL) {
if (upper_lvl_el != 0)
break;
if (EbmlId(*l2) == KaxCuePoint::ClassInfos.GlobalId) {
show_element(l2, 2, "Cue point");
l3 = es->FindNextElement(l2->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
while (l3 != NULL) {
if (upper_lvl_el != 0)
break;
if (EbmlId(*l3) == KaxCueTime::ClassInfos.GlobalId) {
KaxCueTime &cue_time = *static_cast<KaxCueTime *>(l3);
cue_time.ReadData(es->I_O());
show_element(l3, 3, "Cue time: %.3fs", tc_scale *
((float)uint64(cue_time)) / 1000000000.0);
} else if (EbmlId(*l3) ==
KaxCueTrackPositions::ClassInfos.GlobalId) {
show_element(l3, 3, "Cue track positions");
l4 = es->FindNextElement(l3->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
while (l4 != NULL) {
if (upper_lvl_el != 0)
break;
if (EbmlId(*l4) == KaxCueTrack::ClassInfos.GlobalId) {
KaxCueTrack &cue_track = *static_cast<KaxCueTrack *>(l4);
cue_track.ReadData(es->I_O());
show_element(l4, 4, "Cue track: %u", uint32(cue_track));
} else if (EbmlId(*l4) ==
KaxCueClusterPosition::ClassInfos.GlobalId) {
KaxCueClusterPosition &cue_cp =
*static_cast<KaxCueClusterPosition *>(l4);
cue_cp.ReadData(es->I_O());
show_element(l4, 4, "Cue cluster position: %llu",
uint64(cue_cp));
} else if (EbmlId(*l4) ==
KaxCueBlockNumber::ClassInfos.GlobalId) {
KaxCueBlockNumber &cue_bn =
*static_cast<KaxCueBlockNumber *>(l4);
cue_bn.ReadData(es->I_O());
show_element(l4, 4, "Cue block number: %llu",
uint64(cue_bn));
} else if (EbmlId(*l4) ==
KaxCueCodecState::ClassInfos.GlobalId) {
KaxCueCodecState &cue_cs =
*static_cast<KaxCueCodecState *>(l4);
cue_cs.ReadData(es->I_O());
show_element(l4, 4, "Cue codec state: %llu",
uint64(cue_cs));
} else if (EbmlId(*l4) ==
KaxCueReference::ClassInfos.GlobalId) {
show_element(l4, 4, "Cue reference");
l5 = es->FindNextElement(l4->Generic().Context,
upper_lvl_el, 0xFFFFFFFFL, true,
1);
while (l5 != NULL) {
if (upper_lvl_el != 0)
break;
if (EbmlId(*l5) == KaxCueRefTime::ClassInfos.GlobalId) {
KaxCueRefTime &cue_rt =
*static_cast<KaxCueRefTime *>(l5);
show_element(l5, 5, "Cue ref time: %.3fs", tc_scale,
((float)uint64(cue_rt)) / 1000000000.0);
} else if (EbmlId(*l5) ==
KaxCueRefCluster::ClassInfos.GlobalId) {
KaxCueRefCluster &cue_rc =
*static_cast<KaxCueRefCluster *>(l5);
cue_rc.ReadData(es->I_O());
show_element(l5, 5, "Cue ref cluster: %llu",
uint64(cue_rc));
} else if (EbmlId(*l5) ==
KaxCueRefNumber::ClassInfos.GlobalId) {
KaxCueRefNumber &cue_rn =
*static_cast<KaxCueRefNumber *>(l5);
cue_rn.ReadData(es->I_O());
show_element(l5, 5, "Cue ref number: %llu",
uint64(cue_rn));
} else if (EbmlId(*l5) ==
KaxCueRefCodecState::ClassInfos.GlobalId) {
KaxCueRefCodecState &cue_rcs =
*static_cast<KaxCueRefCodecState *>(l5);
cue_rcs.ReadData(es->I_O());
show_element(l5, 5, "Cue ref codec state: %llu",
uint64(cue_rcs));
} else if (!is_ebmlvoid(l5, 5))
show_unknown_element(l5, 5);
l5->SkipData(*es,
l5->Generic().Context);
delete l5;
l5 = es->FindNextElement(l4->Generic().Context,
upper_lvl_el, 0xFFFFFFFFL,
true, 1);
} // while (l5 != NULL)
} else if (!is_ebmlvoid(l4, 4))
show_unknown_element(l4, 4);
if (upper_lvl_el > 0) { // we're coming from l5
upper_lvl_el--;
delete l4;
l4 = l5;
if (upper_lvl_el > 0)
break;
} else {
l4->SkipData(*es,
l4->Generic().Context);
delete l4;
l4 = es->FindNextElement(l3->Generic().Context,
upper_lvl_el, 0xFFFFFFFFL, true,
1);
}
} // while (l4 != NULL)
} else if (!is_ebmlvoid(l3, 3))
show_unknown_element(l3, 3);
if (upper_lvl_el > 0) { // we're coming from l4
upper_lvl_el--;
delete l3;
l3 = l4;
if (upper_lvl_el > 0)
break;
} else {
l3->SkipData(*es,
l3->Generic().Context);
delete l3;
l3 = es->FindNextElement(l2->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
}
} // while (l3 != NULL)
} else if (!is_ebmlvoid(l2, 2))
show_unknown_element(l2, 2);
if (upper_lvl_el > 0) { // we're coming from l3
upper_lvl_el--;
delete l2;
l2 = l3;
if (upper_lvl_el > 0)
break;
} else {
l2->SkipData(*es,
l2->Generic().Context);
delete l2;
l2 = es->FindNextElement(l1->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
}
} // while (l2 != NULL)
} else if (EbmlId(*l1) == KaxTags::ClassInfos.GlobalId) {
show_element(l1, 1, "Tags (skipping all subelements!)");
} else if (!is_ebmlvoid(l1, 1))
show_unknown_element(l1, 1);
if (upper_lvl_el > 0) { // we're coming from l2
upper_lvl_el--;
delete l1;
l1 = l2;
if (upper_lvl_el > 0)
break;
} else {
l1->SkipData(*es, l1->Generic().Context);
delete l1;
l1 = es->FindNextElement(l0->Generic().Context, upper_lvl_el,
0xFFFFFFFFL, true, 1);
}
} // while (l1 != NULL)
delete l0;
delete es;
delete in;
return true;
} catch (std::exception &ex) {
show_error("Caught exception: %s", ex.what());
delete in;
return false;
}
}
int console_main(int argc, char **argv) {
char *file_name;
bool dummy;
nice(2);
parse_args(argc, argv, file_name, dummy);
if (file_name == NULL) {
usage();
exit(1);
}
if (process_file(file_name))
return 0;
else
return 1;
}
#ifndef HAVE_WXWINDOWS
int main(int argc, char **argv) {
return console_main(argc, argv);
}
#endif // HAVE_WXWINDOWS
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