[FFmpeg-trac] #1447(avfilter:new): super2xsai does not work as expected in combination with other filters

[FFmpeg]

#1447: super2xsai does not work as expected in combination with other filters
-------------------------------------+-------------------------------------
               Reporter:  richardpl  |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  important  |              Component:  avfilter
                Version:  git-       |               Keywords:  super2xsai
  master                             |  crash
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 How to reproduce:
 {{{
 ffmpeg -i fate-suite/dxtory/dxtory_mic.avi -vf format=rgb555,super2xsai
 /tmp/out.pam
 ffmpeg version git-2012-06-13-4c5cd32 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Jun 13 2012 23:11:05 with clang 3.0 (tags/RELEASE_30/final
 145349)
   configuration: --cc=clang --as=clang --extra-cflags=-I/usr/local/include
 --extra-cflags=-analyze --extra-ldflags=-L/usr/local/lib --disable-debug
 --disable-static --disable-postproc --disable-indev=alsa --disable-
 indev=bktr --disable-indev=dshow --disable-indev=dv1394 --disable-
 indev=fbdev --disable-indev=jack --disable-indev=libcdio --disable-
 indev=libdc1394 --disable-indev=openal --disable-indev=pulse --disable-
 indev=sndio --disable-indev=vfwcap --disable-outdev=sndio --disable-
 outdev=alsa --disable-ou  libavutil      51. 58.100 / 51. 58.100
   libavcodec     54. 25.100 / 54. 25.100
   libavformat    54.  6.101 / 54.  6.101
   libavdevice    54.  0.100 / 54.  0.100
   libavfilter     2. 79.100 /  2. 79.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 15.100 /  0. 15.100
 Guessed Channel Layout for  Input Stream #0.1 : stereo
 Guessed Channel Layout for  Input Stream #0.2 : stereo
 Input #0, avi, from 'git/fate-suite/dxtory/dxtory_mic.avi':
   Metadata:
     encoder         : DxtoryCore ver2.0.0.109
     ISRC            : Video:YUV420 Audio0:Lautsprecher (Realtek High
 Definition Audio) Audio1:Mikrofon (Realtek High Definition Audio)
   Duration: 00:00:07.48, start: 0.000000, bitrate: 1496 kb/s
     Stream #0:0: Video: dxtory (xtor / 0x726F7478), yuv420p, 1280x720, 25
 tbr, 25 tbn, 25 tbc
     Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz,
 stereo, s16, 1536 kb/s
     Stream #0:2: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz,
 stereo, s16, 1536 kb/s
 [buffer @ 0x2980e380] w:1280 h:720 pixfmt:yuv420p tb:1/25 fr:25/1 sar:0/1
 sws_param:flags=2
 [ffmpeg_buffersink @ 0x2980e400] No opaque field provided
 [Parsed_format_0 @ 0x2980e200] auto-inserting filter 'auto-inserted scaler
 0' between the filter '(null)' and the filter 'Parsed_format_0'
 [format @ 0x2980e480] auto-inserting filter 'auto-inserted scaler 1'
 between the filter 'Parsed_super2xsai_1' and the filter 'format'
 [auto-inserted scaler 0 @ 0x2980e580] w:1280 h:720 fmt:yuv420p sar:0/1 ->
 w:1280 h:720 fmt:rgb555le sar:0/1 flags:0x4
 [Parsed_super2xsai_1 @ 0x2980e2c0] fmt:rgb555le size:1280x720 ->
 size:2560x1440
 [auto-inserted scaler 1 @ 0x2980e540] w:2560 h:1440 fmt:rgb555le sar:0/1
 -> w:2560 h:1440 fmt:rgb24 sar:0/1 flags:0x4
 Output #0, image2, to '/tmp/out.pam':
   Metadata:
     ISRC            : Video:YUV420 Audio0:Lautsprecher (Realtek High
 Definition Audio) Audio1:Mikrofon (Realtek High Definition Audio)
     encoder         : Lavf54.6.101
     Stream #0:0: Video: pam, rgb24, 2560x1440, q=2-31, 200 kb/s, 90k tbn,
 25 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (dxtory -> pam)
 Press [q] to stop, [?] for help
 [auto-inserted scaler 1 @ 0x2980e540] w:1280 h:720 fmt:rgb555le sar:0/1 ->
 w:2560 h:1440 fmt:rgb24 sar:0/1 flags:0x4
 frame=    1 fps=0.0 q=0.0 Lsize=       0kB time=00:00:00.04 bitrate=
 0.0kbits/s
 video:10800kB audio:0kB global headers:0kB muxing overhead -100.000000%
 }}}

 Output looks wrong or even SEGV happens with different filters
 combination.

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1447>
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