[FFmpeg-trac] #1040(avfilter:open): yadif filter with movie source causes assertion failure

[FFmpeg]

#1040: yadif filter with movie source causes assertion failure
------------------------------------+------------------------------------
             Reporter:  ls          |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  avfilter
              Version:  git-master  |               Resolution:
             Keywords:  yadif       |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
------------------------------------+------------------------------------
Changes (by cehoyos):

 * keywords:   => yadif
 * status:  new => open
 * reproduced:  0 => 1


Comment:

 {{{
 $ ./ffmpeg -i tests/lena.pnm -vf
 movie=tests/lena.pnm,yadif[mov],[in][mov]overlay -f null -
 ffmpeg version N-38562-g1879400 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Mar  6 2012 08:52:40 with gcc 4.3.2
   configuration: --cc=/usr/local/gcc-4.3.2/bin/gcc --enable-gpl
   libavutil      51. 41.100 / 51. 41.100
   libavcodec     54.  8.100 / 54.  8.100
   libavformat    54.  2.100 / 54.  2.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 63.100 /  2. 63.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0.  7.100 /  0.  7.100
   libpostproc    52.  0.100 / 52.  0.100
 Input #0, image2, from 'tests/lena.pnm':
   Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: ppm, rgb24, 256x256, 25 tbr, 25 tbn, 25 tbc
 [buffer @ 0x8ebb9e0] w:256 h:256 pixfmt:rgb24 tb:1/1000000 sar:0/1
 sws_param:
 [movie @ 0x8eb0440] seek_point:0 format_name:(null)
 file_name:tests/lena.pnm stream_index:0
 [yadif @ 0x8eb1be0] mode:0 parity:-1 auto_enable:0
 [buffersink @ 0x8eaff20] auto-inserting filter 'auto-inserted scale 0'
 between the filter 'Parsed_overlay_2' and the filter 'out'
 [yadif @ 0x8eb1be0] auto-inserting filter 'auto-inserted scale 1' between
 the filter 'Parsed_movie_0' and the filter 'Parsed_yadif_1'
 [overlay @ 0x8eb1ee0] auto-inserting filter 'auto-inserted scale 2'
 between the filter 'src' and the filter 'Parsed_overlay_2'
 [scale @ 0x8eb1ba0] w:256 h:256 fmt:rgb24 -> w:256 h:256 fmt:yuv420p
 flags:0x4
 [scale @ 0x8eb1e20] w:256 h:256 fmt:rgb24 -> w:256 h:256 fmt:yuva420p
 flags:0x4
 [overlay @ 0x8eb1ee0] main w:256 h:256 fmt:yuv420p overlay x:0 y:0 w:256
 h:256 fmt:yuva420p
 [overlay @ 0x8eb1ee0] main_tb:1/1000000 overlay_tb:1/25 -> tb:1/1000000
 exact:1
 [scale @ 0x8eb28e0] w:256 h:256 fmt:yuv420p -> w:256 h:256 fmt:rgb24
 flags:0x4
 Output #0, null, to 'pipe:':
   Metadata:
     encoder         : Lavf54.2.100
     Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24, 256x256,
 q=2-31, 200 kb/s, 90k tbn, 25 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (ppm -> rawvideo)
 Press [q] to stop, [?] for help
 ffmpeg: libavfilter/vf_yadif.c:323: poll_frame: Assertion `yadif->next ||
 !val' failed.
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1040#comment:1>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker