[FFmpeg-trac] #6001(undetermined:open): ffprobe: incorrect determination of the number of reference frames

FFmpeg trac at avcodec.org
Wed Dec 7 13:06:37 EET 2016


#6001: ffprobe: incorrect determination of the number of reference frames
-------------------------------------+-------------------------------------
             Reporter:  alex2016     |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  important    |                Component:
              Version:  git-master   |  undetermined
             Keywords:  codecpar     |               Resolution:
  regression                         |               Blocked By:
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Changes (by cehoyos):

 * status:  new => open
 * component:  ffprobe => undetermined


Comment:

 {{{
 $ ffmpeg -loglevel verbose -i fate-suite/h264/twofields_packet.mp4
 ffmpeg version N-82785-g6b95da9 Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      55. 41.101 / 55. 41.101
   libavcodec     57. 66.109 / 57. 66.109
   libavformat    57. 58.101 / 57. 58.101
   libavdevice    57.  2.100 / 57.  2.100
   libavfilter     6. 68.100 /  6. 68.100
   libswscale      4.  3.101 /  4.  3.101
   libswresample   2.  4.100 /  2.  4.100
   libpostproc    54.  2.100 / 54.  2.100
 [h264 @ 0x2cf8340] Reinit context to 1920x1088, pix_fmt: yuv420p
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'fate-
 suite/h264/twofields_packet.mp4':
   Metadata:
     major_brand     : avc1
     minor_version   : 0
     compatible_brands: avc1isom
     creation_time   : 2008-01-01T00:01:58.000000Z
   Duration: 00:00:04.90, start: 0.000000, bitrate: 10785 kb/s
     Stream #0:0(eng): Video: h264 (Main), 1 reference frame (avc1 /
 0x31637661), yuv420p(left), 1920x1080 (1920x1088) [SAR 1:1 DAR 16:9],
 10603 kb/s, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc (default)
     Metadata:
       creation_time   : 2008-01-01T00:01:58.000000Z
       handler_name    :  Ambarella AVC
       encoder         : Ambarella AVC encoder
     Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz,
 stereo, fltp, 127 kb/s (default)
     Metadata:
       creation_time   : 2008-01-01T00:01:58.000000Z
       handler_name    :  Ambarella AAC
 At least one output file must be specified
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6001#comment:5>
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