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Aegisub
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Fixed loading of mkv files over 2 GB... hopefully, without destroying the posix ports. 

Originally committed to SVN as r1652.
This commit is contained in:
Rodrigo Braz Monteiro 2007-11-13 20:28:09 +00:00
parent e9c894a2e0
commit c57ab33467
1 changed files with 14 additions and 4 deletions
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18
aegisub/mkv_wrap.cpp
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@ -484,16 +484,26 @@ void MatroskaWrapper::GetSubtitles(AssFile *target) {
////////////////////////////// LOTS OF HAALI C CODE DOWN HERE ///////////////////////////////////////
#ifdef __VISUALC__
#define std_fread fread
#define std_fseek _fseeki64
#define std_ftell _ftelli64
#else
#define std_fread fread
#define std_fseek fseeko64
#define std_ftell ftello64
#endif
///////////////
// STDIO class
int StdIoRead(InputStream *_st, ulonglong pos, void *buffer, int count) {
MkvStdIO *st = (MkvStdIO *) _st;
size_t rd;
if (fseek(st->fp, pos, SEEK_SET)) {
if (std_fseek(st->fp, pos, SEEK_SET)) {
st->error = errno;
return -1;
}
rd = fread(buffer, 1, count, st->fp);
rd = std_fread(buffer, 1, count, st->fp);
if (rd == 0) {
if (feof(st->fp))
return 0;
@ -512,13 +522,13 @@ longlong StdIoScan(InputStream *_st, ulonglong start, unsigned signature) {
unsigned cmp = 0;
FILE *fp = st->fp;
if (fseek(fp, start, SEEK_SET))
if (std_fseek(fp, start, SEEK_SET))
return -1;
while ((c = getc(fp)) != EOF) {
cmp = ((cmp << 8) | c) & 0xffffffff;
if (cmp == signature)
return ftell(fp) - 4;
return std_ftell(fp) - 4;
}
return -1;