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fix(video) bmffimage can not currently handle mp42 files so skip those

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This commit is contained in:
Christoph Hasse 2022-08-19 10:48:59 +02:00
parent 71dc04ebb1
commit 30dbd13982
1 changed files with 2 additions and 1 deletions
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src/bmffimage.cpp
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@ -684,7 +684,8 @@ bool isBmffType(BasicIo& iIo, bool advance) {
// MOV(quicktime) files seem to also start with ftyp, but we don't want to process them
// so check that we don't encounter "qt "
// FIXME what others types can we abort early here?
bool const is_video = (buf[8] == 'q' && buf[9] == 't' && buf[10] == ' ' && buf[11] == ' ');
bool const is_video = (buf[8] == 'm' && buf[9] == 'p' && buf[10] == '4' && buf[11] == '2') ||
(buf[8] == 'q' && buf[9] == 't' && buf[10] == ' ' && buf[11] == ' ');
bool matched = is_jxl || (is_ftyp && !is_video);
if (!advance || !matched) {
iIo.seek(0, BasicIo::beg);