[FFmpeg-trac] #5303(avcodec:new): Support float in tiff

[FFmpeg]

#5303: Support float in tiff
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               Reporter:  cehoyos      |                  Owner:
                   Type:  enhancement  |                 Status:  new
               Priority:  wish         |              Component:  avcodec
                Version:  git-master   |               Keywords:  tif
             Blocked By:               |               Blocking:
Reproduced by developer:  0            |  Analyzed by developer:  0
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 http://samples.ffmpeg.org/image-samples/building.tif
 ​http://thread.gmane.org/gmane.comp.video.ffmpeg.libav.user/15090/focus=15110
 Gonzalo kindly provided a tiff image containing floating point values.
 Depends on ticket #3657
 {{{
 $ ffmpeg -i building.tif
 ffmpeg version 3.0.git-dev-dev-486-g6f5048f Copyright (c) 2000-2016 the
 FFmpeg developers
   built with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      55. 19.100 / 55. 19.100
   libavcodec     57. 27.101 / 57. 27.101
   libavformat    57. 28.100 / 57. 28.100
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 39.100 /  6. 39.100
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 [tiff @ 0x3d19820] This format is not supported (bpp=128, 4 components)
 [tiff_pipe @ 0x3d18280] decoding for stream 0 failed
 [tiff_pipe @ 0x3d18280] Could not find codec parameters for stream 0
 (Video: tiff, none): unspecified size
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 building.tif: could not find codec parameters
 Input #0, tiff_pipe, from 'building.tif':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: tiff, none, 25 tbr, 25 tbn, 25 tbc
 At least one output file must be specified
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/5303>
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