[FFmpeg-trac] #4185(avcodec:new): hevc regression

FFmpeg trac at avcodec.org
Sun Dec 14 02:37:02 CET 2014


#4185: hevc regression
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  important  |              Component:  avcodec
                Version:  git-       |               Keywords:  hevc
  master                             |  regression
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 As reported by Hendrik on irc, some frames are skipped for the hevc sample
 in http://www.demo-uhd3d.com/fiche.php?cat=uhd&id=22 (very slow download).
 This is a regression since 2eddf3a6efd80aa6e9d7f42ad9a892a82c5ece70
 {{{
 $ ffmpeg -i UHD_ENT_Transformer_cut.hevc -f null -
 ffmpeg version N-68406-g5d0cfb5 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Dec 14 2014 02:32:20 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      54. 15.100 / 54. 15.100
   libavcodec     56. 14.100 / 56. 14.100
   libavformat    56. 15.104 / 56. 15.104
   libavdevice    56.  3.100 / 56.  3.100
   libavfilter     5.  3.101 /  5.  3.101
   libswscale      3.  1.101 /  3.  1.101
   libswresample   1.  1.100 /  1.  1.100
   libpostproc    53.  3.100 / 53.  3.100
 [hevc @ 0x275de00] Stream #0: not enough frames to estimate rate; consider
 increasing probesize
 Input #0, hevc, from 'UHD_ENT_Transformer_cut.hevc':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: hevc (Main 10), yuv420p10le(tv, bt709), 3840x2160
 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 1200k tbn, 23.98 tbc
 Output #0, null, to 'pipe:':
   Metadata:
     encoder         : Lavf56.15.104
     Stream #0:0: Video: rawvideo (Y3[11][10] / 0xA0B3359), yuv420p10le,
 3840x2160 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 23.98 fps, 23.98 tbn,
 23.98 tbc
     Metadata:
       encoder         : Lavc56.14.100 rawvideo
 Stream mapping:
   Stream #0:0 -> #0:0 (hevc (native) -> rawvideo (native))
 Press [q] to stop, [?] for help
 [null @ 0x2765480] Encoder did not produce proper pts, making some up.
 frame=  118 fps= 43 q=0.0 Lsize=N/A time=00:00:05.08 bitrate=N/A
 video:11kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 }}}
 Older versions of FFmpeg decoded 122 frames.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4185>
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