return curpos - pos;
}
+static int co64_required(const MOVTrack *track)
+{
+ if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
+ return 1;
+ return 0;
+}
+
/* Chunk offset atom */
static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
{
int i;
- int mode64 = 0; // use 32 bit size variant if possible
+ int mode64 = co64_required(track); // use 32 bit size variant if possible
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0); /* size */
- if (pos > UINT32_MAX) {
- mode64 = 1;
+ if (mode64) {
ffio_wfourcc(pb, "co64");
} else
ffio_wfourcc(pb, "stco");