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Don't let the MKV parser crash on certain MKV's for which it cannot determine the filesize by itself. (Adaption of Myrsloik's similar fix for FFMS2.)

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Originally committed to SVN as r2891.
This commit is contained in:
Karl Blomster 2009-05-02 19:40:55 +00:00
parent 487dc50409
commit 45627548d6
1 changed files with 11 additions and 0 deletions
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11
aegisub/src/mkv_wrap.cpp
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@ -568,6 +568,16 @@ int StdIoProgress(InputStream *_st, ulonglong cur, ulonglong max) {
return 1;
}
longlong StdIoGetFileSize(InputStream *_st) {
MkvStdIO *st = (MkvStdIO *) _st;
longlong epos = 0;
longlong cpos = _ftelli64(st->fp);
_fseeki64(st->fp, 0, SEEK_END);
epos = _ftelli64(st->fp);
_fseeki64(st->fp, cpos, SEEK_SET);
return epos;
}
MkvStdIO::MkvStdIO(wxString filename) {
read = StdIoRead;
scan = StdIoScan;
@ -577,6 +587,7 @@ MkvStdIO::MkvStdIO(wxString filename) {
memrealloc = StdIoRealloc;
memfree = StdIoFree;
progress = StdIoProgress;
getfilesize = StdIoGetFileSize;
wxFileName fname(filename);
fp = fopen(fname.GetShortPath().mb_str(wxConvUTF8),"rb");
if (fp) {