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MP4 reader: skip cover art images of unknown type instead of assuming JPEG

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Moritz Bunkus 2019-11-08 16:52:39 +01:00
parent 2a7becf502
commit 0a045837a5
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2 changed files with 5 additions and 0 deletions
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2
NEWS.md
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@ -15,6 +15,8 @@
art images. This could cause file identification to fail when the cover art
was located at the end of the MP4 file. Even if it succeeded, this meant too
much data present in the attachment. Fixes #2650.
* mkvmerge: MP4 reader: covert art images with unknown image types will be
skipped instead of treated as JPEG images.
## Build system changes

3
src/input/r_qtmp4.cpp
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@ -1052,6 +1052,9 @@ qtmp4_reader_c::handle_covr_atom(qt_atom_t parent,
try {
auto type = m_in->read_uint32_be();
if (!mtx::included_in<int>(type, MP4ADT_BMP, MP4ADT_JPEG, MP4ADT_PNG))
return;
m_in->skip(4);
data_size -= 8;