diff options
| author | Christophe Grenier <[email protected]> | 2009-10-25 18:27:20 +0100 |
|---|---|---|
| committer | Christophe Grenier <[email protected]> | 2009-10-25 18:27:20 +0100 |
| commit | a4c75d5c74f31aa09d8dd270b09dee00973a54c3 (patch) | |
| tree | d664e081e2ddb9909b8e8232ce4cbb0915e48b40 /src/file_mpg.c | |
| parent | 7cf77194c393f45d4e47c355a4400f4225108931 (diff) | |
PhotoRec: fix MPEG-1 system header start code detection
Diffstat (limited to 'src/file_mpg.c')
| -rw-r--r-- | src/file_mpg.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/file_mpg.c b/src/file_mpg.c index 9ed55855..6b2ae7fa 100644 --- a/src/file_mpg.c +++ b/src/file_mpg.c @@ -103,7 +103,10 @@ static int header_check_mpg(const unsigned char *buffer, const unsigned int buff /* MPEG-1 system header start code */ (buffer[3]==0xBB && (buffer[6]&0x80)==0x80 && (buffer[8]&0x01)==0x01) || /* MPEG-1 sequence header code, horizontal size>0 && vertical size>0, bitrate!=0 */ - (buffer[3]==0xB3 && (buffer[4]<<8)+(buffer[5]>>8)>0 && (buffer[5]<<8)+buffer[6]>0 && buffer[8]!=0) || + (buffer[3]==0xB3 && + (buffer[4]<<4)+(buffer[5]>>4)>0 && + ((buffer[5]&&0x0f)<<4)+buffer[6]>0 && + buffer[8]!=0) || /* ISO/IEC 14496-2 (MPEG-4 video) ELEMENTARY VIDEO HEADER - visual object sequence start code */ (buffer[3]==0xB0) || /* ISO/IEC 14496-2 (MPEG-4 video) ELEMENTARY VIDEO HEADER - visual object start code */ |