[libav-bugs] [Bug 613] New: Fails to properly decode er_eld1001np_44_ep0.mp4

bugzilla at libav.org bugzilla at libav.org
Mon Dec 23 22:19:59 CET 2013


https://bugzilla.libav.org/show_bug.cgi?id=613

           Summary: Fails to properly decode er_eld1001np_44_ep0.mp4
           Product: Libav
           Version: git HEAD
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: libavcodec
        AssignedTo: bugzilla at libav.org
        ReportedBy: alex.converse at gmail.com


Created attachment 445
  --> https://bugzilla.libav.org/attachment.cgi?id=445
Screenshot

Libav fails to properly decode standard AAC conformance vector
er_eld1001np_44_ep0.mp4

$ ./avconv -i ~/video/er_eld1001np_44_ep0.mp4 -f s16le test.s16
avconv version v10_alpha1-24-g10d9824, Copyright (c) 2000-2013 the Libav
developers
  built on Dec 23 2013 11:28:06 with Apple LLVM version 5.0 (clang-500.2.79)
(based on LLVM 3.3svn)
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
'/Users/aconverse/video/er_eld1001np_44_ep0.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42isom
    creation_time   : 2009-10-12 13:51:08
  Duration: 00:00:35.58, start: 0.000000, bitrate: 67 kb/s
    Stream #0.0(und): Audio: aac, 44100 Hz, mono, fltp, 64 kb/s (default)
    Metadata:
      creation_time   : 2009-10-12 13:51:08
Output #0, s16le, to 'test.s16':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42isom
    creation_time   : 2009-10-12 13:51:08
    encoder         : Lavf55.10.1
    Stream #0.0(und): Audio: pcm_s16le, 44100 Hz, mono, s16, 705 kb/s (default)
    Metadata:
      creation_time   : 2009-10-12 13:51:08
Stream mapping:
  Stream #0:0 -> #0:0 (aac -> pcm_s16le)
Press ctrl-c to stop encoding
size=    3065kB time=35.58 bitrate= 705.6kbits/s    
video:0kB audio:3065kB global headers:0kB muxing overhead 0.000000%
aconverse at aconverse-macbookpro:~/libav/build$ ./tests/tiny_psnr re

$ ./tests/tiny_psnr ref.s16 test.s16 2
stddev:   31.08 PSNR: 66.48 MAXDIFF: 7842 bytes:  3138560/  3138560

There is a large spike in the error at one point in time.

Some experts have suggest the problem lies in the TNS implementation.

-- 
Configure bugmail: https://bugzilla.libav.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are watching all bug changes.


More information about the libav-bugs mailing list