[FFmpeg-trac] #3760(undetermined:new): support for animated webp images

[FFmpeg]

#3760: support for animated webp images
-------------------------------------+-------------------------------------
             Reporter:  triune       |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:  webp         |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by triune):

 $ ffmpeg -i spinner4.mp4 spinner4.webp
 ffmpeg version N-64303-g3f42434 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Jun 29 2014 10:23:15 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
   configuration: --enable-libvpx --enable-libopus --enable-gpl --enable-
 libx264 --extra-libs=-ldl --enable-libmp3lame --enable-x11grab --enable-
 libwebp
   libavutil      52. 90.101 / 52. 90.101
   libavcodec     55. 68.100 / 55. 68.100
   libavformat    55. 44.100 / 55. 44.100
   libavdevice    55. 13.101 / 55. 13.101
   libavfilter     4.  9.100 /  4.  9.100
   libswscale      2.  6.100 /  2.  6.100
   libswresample   0. 19.100 /  0. 19.100
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'spinner4.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2mp41
     encoder         : Lavf54.20.4
   Duration: 00:00:02.68, start: 0.000000, bitrate: 5482 kb/s
     Stream #0:0(und): Video: mpeg4 (Advanced Simple Profile) (mp4v /
 0x7634706D), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 5477 kb/s, 25 fps, 25
 tbr, 25 tbn, 25 tbc (default)
     Metadata:
       handler_name    : VideoHandler
 [image2 @ 0x356ae40] Using AVStream.codec.time_base as a timebase hint to
 the muxer is deprecated. Set AVStream.time_base instead.
 Output #0, image2, to 'spinner4.webp':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2mp41
     encoder         : Lavf55.44.100
     Stream #0:0(und): Video: webp (libwebp), yuv420p, 1920x1080 [SAR 1:1
 DAR 16:9], q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc (default)
     Metadata:
       handler_name    : VideoHandler
       encoder         : Lavc55.68.100 libwebp
 Stream mapping:
   Stream #0:0 -> #0:0 (mpeg4 (native) -> webp (libwebp))
 Press [q] to stop, [?] for help
 [image2 @ 0x356ae40] Could not get frame filename number 2 from pattern
 'spinner4.webp' (either set updatefirst or use a pattern like %03d within
 the filename pattern)
 av_interleaved_write_frame(): Invalid argument
 frame=    2 fps=0.0 q=-1.0 Lsize=N/A time=00:00:00.08 bitrate=N/A
 video:85kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 Conversion failed!

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3760#comment:3>
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