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Support for the libebml 0.4.3 style of writing the segment header and KaxInfos.

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This commit is contained in:
Moritz Bunkus 2003-05-21 19:55:49 +00:00
parent 42f4ebe72e
commit d43d4fe6c4
1 changed files with 35 additions and 12 deletions
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47
mkvmerge.cpp
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@ -13,7 +13,7 @@
/*!
\file
\version \$Id: mkvmerge.cpp,v 1.69 2003/05/20 06:30:24 mosu Exp $
\version \$Id: mkvmerge.cpp,v 1.70 2003/05/21 19:55:49 mosu Exp $
\brief command line parameter parsing, looping, output handling
\author Moritz Bunkus <moritz@bunkus.org>
*/
@ -41,6 +41,7 @@
#include "EbmlHead.h"
#include "EbmlSubHead.h"
#include "EbmlVersion.h"
#include "EbmlVoid.h"
#include "FileKax.h"
@ -78,6 +79,11 @@
using namespace LIBMATROSKA_NAMESPACE;
using namespace std;
// #ifndef LIBEBML_VERSION
// // 0.4.3 was the first libebml version with this definition.
// #define LIBEBML_VERSION 000402
// #endif
typedef struct {
char *ext;
int type;
@ -577,7 +583,16 @@ static void render_headers(mm_io_callback *out) {
kax_duration = &GetChild<KaxDuration>(*kax_infos);
*(static_cast<EbmlFloat *>(kax_duration)) = 0.0;
kax_segment->Render(static_cast<IOCallback &>(*out));
*((EbmlUnicodeString *)&GetChild<KaxMuxingApp>(*kax_infos)) =
L"libmatroska 0.4.3";
*((EbmlUnicodeString *)&GetChild<KaxWritingApp>(*kax_infos)) =
L"mkvmerge 0.3.4";
#if LIBEBML_VERSION >= 000403
kax_segment->WriteHead(*out, 5);
#else
kax_segment->Render(*out);
#endif
// Reserve some space for the meta seek stuff.
if (write_cues && write_meta_seek) {
@ -589,6 +604,10 @@ static void render_headers(mm_io_callback *out) {
kax_seekhead_void->Render(static_cast<IOCallback &>(*out));
}
#if LIBEBML_VERSION >= 000403
kax_infos->Render(*out);
#endif
kax_tracks = &GetChild<KaxTracks>(*kax_segment);
kax_last_entry = NULL;
@ -1104,7 +1123,7 @@ int main(int argc, char **argv) {
int i;
packetizer_t *ptzr, *winner;
filelist_t *file;
KaxTags *kax_tags;
int64_t old_pos;
nice(2);
@ -1193,16 +1212,11 @@ int main(int argc, char **argv) {
fprintf(stdout, "\n");
}
// Render a dummy KaxTags element for now.
kax_tags = &GetChild<KaxTags>(*kax_segment);
kax_tags->Render(*static_cast<mm_io_callback *>(out));
// Write meta seek information if it is not disabled.
if (write_meta_seek) {
if (write_cues && cue_writing_requested)
kax_seekhead->IndexThis(*kax_cues, *kax_segment);
kax_seekhead->IndexThis(*kax_tags, *kax_segment);
kax_seekhead->UpdateSize();
if (kax_seekhead_void->ReplaceWith(*kax_seekhead,
*static_cast<mm_io_callback *>(out),
@ -1218,7 +1232,6 @@ int main(int argc, char **argv) {
if (write_cues && cue_writing_requested)
kax_seekhead->IndexThis(*kax_cues, *kax_segment);
kax_seekhead->IndexThis(*kax_tags, *kax_segment);
kax_seekhead->UpdateSize();
kax_seekhead_void->ReplaceWith(*kax_seekhead,
*static_cast<mm_io_callback *>(out),
@ -1226,13 +1239,23 @@ int main(int argc, char **argv) {
}
}
// Now re-render the kax_infos and fill in the biggest timecode
// Now re-render the kax_duration and fill in the biggest timecode
// as the file's duration.
old_pos = out->getFilePointer();
out->setFilePointer(kax_duration->GetElementPosition());
*(static_cast<EbmlFloat *>(kax_duration)) =
cluster_helper->get_max_timecode() * 1000000.0 / TIMECODE_SCALE;
out->setFilePointer(kax_infos->GetElementPosition());
kax_infos->Render(*out);
kax_duration->Render(*out);
out->setFilePointer(old_pos);
#if LIBEBML_VERSION >= 000403
// Set the correct size for the segment.
if (kax_segment->ForceSize(out->getFilePointer() -
kax_segment->GetElementPosition() -
kax_segment->HeadSize()))
kax_segment->OverwriteHead(*out);
#endif
delete cluster_helper;
file = input;