diff options
Diffstat (limited to 'media')
| -rw-r--r-- | media/libstagefright/MPEG4Writer.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp index 2f1b6ac..f5e0fbf 100644 --- a/media/libstagefright/MPEG4Writer.cpp +++ b/media/libstagefright/MPEG4Writer.cpp @@ -1023,7 +1023,11 @@ uint32_t MPEG4Writer::getMpeg4Time() { // MP4 file uses time counting seconds since midnight, Jan. 1, 1904 // while time function returns Unix epoch values which starts // at 1970-01-01. Lets add the number of seconds between them - uint32_t mpeg4Time = now + (66 * 365 + 17) * (24 * 60 * 60); + static const uint32_t delta = (66 * 365 + 17) * (24 * 60 * 60); + if (now < 0 || uint32_t(now) > UINT32_MAX - delta) { + return 0; + } + uint32_t mpeg4Time = uint32_t(now) + delta; return mpeg4Time; } |