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improve detection of quicktime and MPEG4 files

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27942 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
David McPaul
2008-10-09 12:11:43 +00:00
parent 64546f13ae
commit e978942c95
1 changed files with 4 additions and 1 deletions
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src/add-ons/media/plugins/mp3_reader/MP3ReaderPlugin.cpp
+4 -1
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@@ -861,9 +861,12 @@ mp3Reader::IsMp3File()
// Real Media
if (buf[0] == '.' && buf[1] == 'R' && buf[2] == 'M' && buf[3] == 'F')
return false;
// Quicktime
// Quicktime or MPEG4 (Not really a good way, moov could be anywhere)
if (buf[4] == 'm' && buf[5] == 'o' && buf[6] == 'o' && buf[7] == 'v')
return false;
// On newer quicktime and on MPEG4 files ftyp is likely to be first
if (buf[4] == 'f' && buf[5] == 't' && buf[6] == 'y' && buf[7] == 'p')
return false;
// ASF 1 (first few bytes of GUID)
if (buf[0] == 0x30 && buf[1] == 0x26 && buf[2] == 0xb2 && buf[3] == 0x75
&& buf[4] == 0x8e && buf[5] == 0x66 && buf[6] == 0xcf && buf[7] == 0x11)