[FFmpeg-trac] #370(undetermined:open): Unable to decode packet capture into .AVI.

FFmpeg trac at avcodec.org
Sat Jul 30 10:00:01 CEST 2011


#370: Unable to decode packet capture into .AVI.
------------------------+---------------------------
Reporter:  gogasca      |       Owner:  michael
    Type:  task         |      Status:  open
Priority:  normal       |   Component:  undetermined
 Version:  unspecified  |  Resolution:
Keywords:               |  Blocked By:
Blocking:               |  Reproduced:  0
Analyzed:  0            |
------------------------+---------------------------

Comment (by gogasca):

 Call flow:
 Cisco CTS --> CUCM -- SIP --> VCS -- H323 --> VCS-E --H323 --> BJN

 From CTS to Remote end:
 Media Attribute (a): fmtp:97 profile-level-id=42001F;packetization-mode=0
 ;max-mbps=108000;max-fs=3600;max-br=4000

 From Remote endto CTS:
 Media Attribute (a): fmtp:96 profile-level-id=428016;max-mbps=108500;max-
 fs=3840;max-smbps=108500

 From CTS: profile-level-id=42 00 1F
 From BJN: profile-level-id=42 80 16

 [PROFILE IDC]

 CTS:  42 = 66
 BJN:  42 = 66

 Each substring represents one byte in base16! So, if Profile IDC is 42,
 that means it is
 actually 66 in base10. (66=baseline, 77=main, 100=high)

 [PROFILE IOP]
 CTS: 0000 0000 = 00
 BJN: 1000 0000 = 80

 If bit 7 (the most significant bit), bit 6, or bit 5 of profile-iop is
 equal to 1, all constraints of the Baseline profile,
 the Main profile, or the Extended profile, respectively, are obeyed in the
 NAL unit stream.

 [LEVEL IDC]
 CTS: 1F = 31 = 3.1 = 720×480 at 80.0 (13) 720×576 at 66.7 (11) 1280×720 at 30.0 (5)
 BJN: 16 = 22 = 2.2 = 352×480 at 30.7(10)  352×576 at 25.6 (7)  720×480 at 15.0 (6)
 720×576 at 12.5 (5)

-- 
Ticket URL: <http://avcodec.org/trac/ffmpeg/ticket/370#comment:6>
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