[FFmpeg-trac] #1493(undetermined:open): Transcoding MOV file from Rhozet Carbon Server creates video with double duration

[FFmpeg]

#1493: Transcoding MOV file from Rhozet Carbon Server creates video with double
duration
-------------------------------------+-------------------------------------
             Reporter:  kbreeman     |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  important    |                Component:
              Version:  git-master   |  undetermined
             Keywords:  mov          |               Resolution:
  regression                         |               Blocked By:
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by kbreeman):

 Using "ffmpeg -i infile.mov -an out.mp4" results in the same number of
 frames and the same video duration.


 mediainfo noaudio.mp4
 {{{
 General
 Complete name                            : noaudio.mp4
 Format                                   : MPEG-4
 Format profile                           : Base Media
 Codec ID                                 : isom
 File size                                : 30.4 MiB
 Duration                                 : 8mn 28s
 Overall bit rate                         : 502 Kbps
 Encoded date                             : UTC 2009-08-31 13:49:30
 Tagged date                              : UTC 2009-08-31 13:49:30
 Writing application                      : Lavf53.24.0

 Video
 ID                                       : 1
 Format                                   : AVC
 Format/Info                              : Advanced Video Codec
 Format profile                           : High at L3.1
 Format settings, CABAC                   : Yes
 Format settings, ReFrames                : 4 frames
 Codec ID                                 : avc1
 Codec ID/Info                            : Advanced Video Coding
 Duration                                 : 8mn 28s
 Bit rate                                 : 499 Kbps
 Width                                    : 1 024 pixels
 Height                                   : 574 pixels
 Display aspect ratio                     : 16:9
 Frame rate mode                          : Constant
 Frame rate                               : 25.000 fps
 Color space                              : YUV
 Chroma subsampling                       : 4:2:0
 Bit depth                                : 8 bits
 Scan type                                : Progressive
 Bits/(Pixel*Frame)                       : 0.034
 Stream size                              : 30.3 MiB (100%)
 Writing library                          : x264 core 118 r2085 8a62835
 Encoding settings                        : cabac=1 / ref=3 / deblock=1:0:0
 / analyse=0x3:0x113 / me=hex / subme=7 / psy=1 / psy_rd=1.00:0.00 /
 mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 /
 deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=6 /
 sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 /
 constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 /
 direct=1 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=25
 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=crf / mbtree=1 /
 crf=23.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / ip_ratio=1.40 /
 aq=1:1.00
 Language                                 : English
 Encoded date                             : UTC 2009-08-31 13:49:30
 Tagged date                              : UTC 2009-08-31 13:49:30
 }}}

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1493#comment:8>
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