[FFmpeg-trac] #3977(undetermined:closed): PNG / watermark files do not work with -vf filter

[FFmpeg]

#3977: PNG / watermark files do not work with -vf filter
-------------------------------------+-------------------------------------
             Reporter:               |                    Owner:
  SeventhCycle                       |                   Status:  closed
                 Type:  defect       |                Component:
             Priority:  normal       |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:               |  worksforme
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------
Changes (by cehoyos):

 * keywords:  png =>
 * status:  new => closed
 * resolution:   => worksforme


Comment:

 Works fine here, what is the problem with the output file?
 {{{
 $ ffmpeg -i BigBuckBunny_640x360.m4v -vf
 movie=sample-128.png[o],[in][o]overlay -qscale 2 -strict -2 -vcodec mpeg4
 -acodec aac out.mov
 ffmpeg version N-66454-ge113692 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Sep 25 2014 19:02:01 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      54.  7.101 / 54.  7.101
   libavcodec     56.  1.101 / 56.  1.101
   libavformat    56.  5.100 / 56.  5.100
   libavdevice    56.  1.100 / 56.  1.100
   libavfilter     5.  1.102 /  5.  1.102
   libswscale      3.  1.100 /  3.  1.100
   libswresample   1.  1.100 /  1.  1.100
   libpostproc    53.  1.100 / 53.  1.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'BigBuckBunny_640x360.m4v':
   Metadata:
     major_brand     : M4V
     minor_version   : 1
     compatible_brands: M4V M4A mp42isom
     creation_time   : 2008-06-03 05:23:28
     copyright       : © 2008 Blender Foundation | www.bigbuckbunny.org
     title           : Big Buck Bunny
     artist          : Peach Open Movie Team
     composer        : Sacha Goedegebure / Ton Roosendaal
     date            : 2008
   Duration: 00:09:56.46, start: 0.000000, bitrate: 1626 kb/s
     Stream #0:0(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo,
 fltp, 127 kb/s (default)
     Metadata:
       creation_time   : 2008-06-03 05:23:28
       handler_name    : Apple Sound Media Handler
     Stream #0:1(eng): Video: h264 (Constrained Baseline) (avc1 /
 0x31637661), yuv420p(tv, smpte170m), 640x360, 1495 kb/s, 24 fps, 24 tbr,
 2400 tbn, 4800 tbc (default)
     Metadata:
       creation_time   : 2008-06-03 05:23:28
       handler_name    : Apple Video Media Handler
 Please use -q:a or -q:v, -qscale is ambiguous
 Output #0, mov, to 'out.mov':
   Metadata:
     major_brand     : M4V
     minor_version   : 1
     compatible_brands: M4V M4A mp42isom
     date            : 2008
     copyright       : © 2008 Blender Foundation | www.bigbuckbunny.org
     title           : Big Buck Bunny
     artist          : Peach Open Movie Team
     composer        : Sacha Goedegebure / Ton Roosendaal
     encoder         : Lavf56.5.100
     Stream #0:0(eng): Video: mpeg4 (mp4v / 0x7634706D), yuv420p, 640x360,
 q=2-31, 200 kb/s, 24 fps, 12288 tbn, 24 tbc (default)
     Metadata:
       creation_time   : 2008-06-03 05:23:28
       handler_name    : Apple Video Media Handler
       encoder         : Lavc56.1.101 mpeg4
     Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo,
 fltp, 128 kb/s (default)
     Metadata:
       creation_time   : 2008-06-03 05:23:28
       handler_name    : Apple Sound Media Handler
       encoder         : Lavc56.1.101 aac
 Stream mapping:
   Stream #0:1 -> #0:0 (h264 (native) -> mpeg4 (native))
   Stream #0:0 -> #0:1 (aac (native) -> aac (native))
 Press [q] to stop, [?] for help
 frame=14316 fps=644 q=2.0 Lsize=  204186kB time=00:09:56.50
 bitrate=2804.2kbits/s
 video:194504kB audio:9339kB subtitle:0kB other streams:0kB global
 headers:0kB muxing overhead: 0.168398%
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/3977#comment:3>
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