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Initial matroska support

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This commit is contained in:
complexlogic
2023-09-19 13:55:31 -07:00
committed by Urs Fleisch
parent 8c7d3368da
commit 47e9b9a17c
24 changed files with 1567 additions and 2 deletions
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52
examples/matroskareader.cpp Normal file
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#include <cstdio>
#include "matroskafile.h"
#include "matroskatag.h"
#include "matroskasimpletag.h"
#include "tstring.h"
#include "tutils.h"
#include "tbytevector.h"
#define GREEN_TEXT(s) "" s ""
#define PRINT_PRETTY(label, value) printf("" GREEN_TEXT(label) ": %s\n", value)
int main(int argc, char *argv[])
{
if (argc != 2) {
printf("Usage: matroskareader FILE\n");
return 1;
}
TagLib::Matroska::File file(argv[1]);
if (!file.isValid()) {
printf("File is not valid\n");
return 1;
}
auto tag = dynamic_cast<TagLib::Matroska::Tag*>(file.tag());
if (!tag) {
printf("File has no tag\n");
return 0;
}
const TagLib::Matroska::SimpleTagsList &list = tag->simpleTagsList();
printf("Found %i tags:\n\n", list.size());
for (TagLib::Matroska::SimpleTag *t : list) {
PRINT_PRETTY("Tag Name", t->name().toCString(true));
TagLib::Matroska::SimpleTagString *tString = nullptr;
TagLib::Matroska::SimpleTagBinary *tBinary = nullptr;
if ((tString = dynamic_cast<TagLib::Matroska::SimpleTagString*>(t)))
PRINT_PRETTY("Tag Value", tString->value().toCString(true));
else if ((tBinary = dynamic_cast<TagLib::Matroska::SimpleTagBinary*>(t)))
PRINT_PRETTY("Tag Value",
TagLib::Utils::formatString("Binary with size %i", tBinary->value().size()).toCString(false)
);
auto targetTypeValue = static_cast<unsigned int>(t->targetTypeValue());
PRINT_PRETTY("Target Type Value",
targetTypeValue == 0 ? "None" : TagLib::Utils::formatString("%i", targetTypeValue).toCString(false)
);
printf("\n");
}
return 0;
}