[FFmpeg-trac] #5888(avcodec:open): ffv1 rgb48le encode error

[FFmpeg]

#5888: ffv1 rgb48le encode error
------------------------------------+-----------------------------------
             Reporter:  LordHDL     |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  ffv1        |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
------------------------------------+-----------------------------------

Comment (by Zenitram):

 I think that it is the expected behavior: this is experimental and there
 is no " -strict experimental" on your command line; and behavior is
 different on my side if I set " -strict experimental" on the command line,
 examples:

 error if experimental flag is not present:
 {{{
 >ffmpeg -y -f lavfi -i mandelbrot=s=1920x1080 -r 25 -t 2 -c:v ffv1 -level
 3 -pix_fmt rgb48le rgb48.nut
 ffmpeg version N-81989-g7845c13 Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 5.4.0 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-
 bzlib --enable-libebur128 --enable-fontconfig --enable-frei0r --enable-
 gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b
 --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm
 --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-
 libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264
 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-
 libschroedinger --enable-libsnappy --enable-libsoxr --enable-libspeex
 --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-
 amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-
 libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-
 libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zlib
   libavutil      55. 32.100 / 55. 32.100
   libavcodec     57. 61.103 / 57. 61.103
   libavformat    57. 52.100 / 57. 52.100
   libavdevice    57.  0.102 / 57.  0.102
   libavfilter     6. 64.100 /  6. 64.100
   libswscale      4.  1.100 /  4.  1.100
   libswresample   2.  2.100 /  2.  2.100
   libpostproc    54.  0.100 / 54.  0.100
 Trailing options were found on the commandline.
 Input #0, lavfi, from 'mandelbrot=s=1920x1080':
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: rawvideo (RGB[0] / 0x424752), rgb0, 1920x1080 [SAR
 1:1 DAR 16:9], 25 tbr, 25 tbn, 25 tbc
 [ffv1 @ 00000000025b36e0] 16bit RGB is experimental and under development,
 only use it for experiments
 Stream mapping:
   Stream #0:0 -> #0:0 (rawvideo (native) -> ffv1 (native))
 Error while opening encoder for output stream #0:0 - maybe incorrect
 parameters such as bit_rate, rate, width or height
 }}}

 success if experimental flag is present:
 {{{
 >ffmpeg -y -f lavfi -i mandelbrot=s=1920x1080 -r 25 -t 2 -c:v ffv1 -level
 3 -pix_fmt rgb48le -strict experimental rgb48.nut
 ffmpeg version N-81989-g7845c13 Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 5.4.0 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-
 bzlib --enable-libebur128 --enable-fontconfig --enable-frei0r --enable-
 gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b
 --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm
 --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-
 libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264
 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-
 libschroedinger --enable-libsnappy --enable-libsoxr --enable-libspeex
 --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-
 amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-
 libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-
 libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zlib
   libavutil      55. 32.100 / 55. 32.100
   libavcodec     57. 61.103 / 57. 61.103
   libavformat    57. 52.100 / 57. 52.100
   libavdevice    57.  0.102 / 57.  0.102
   libavfilter     6. 64.100 /  6. 64.100
   libswscale      4.  1.100 /  4.  1.100
   libswresample   2.  2.100 /  2.  2.100
   libpostproc    54.  0.100 / 54.  0.100
 Input #0, lavfi, from 'mandelbrot=s=1920x1080':
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: rawvideo (RGB[0] / 0x424752), rgb0, 1920x1080 [SAR
 1:1 DAR 16:9], 25 tbr, 25 tbn, 25 tbc
 [ffv1 @ 0000000000e07440] bits_per_raw_sample > 8, forcing range coder
 Output #0, nut, to 'rgb48.nut':
   Metadata:
     encoder         : Lavf57.52.100
     Stream #0:0: Video: ffv1 (FFV1 / 0x31564646), rgb48le, 1920x1080 [SAR
 1:1 DAR 16:9], q=2-31, 200 kb/s, 25 fps, 51200 tbn, 25 tbc
     Metadata:
       encoder         : Lavc57.61.103 ffv1
 Stream mapping:
   Stream #0:0 -> #0:0 (rawvideo (native) -> ffv1 (native))
 Press [q] to stop, [?] for help
 frame=   50 fps=5.4 q=-0.0 Lsize=  211718kB time=00:00:01.96
 bitrate=884884.4kbits/s speed=0.213x
 video:211716kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.001012%
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5888#comment:3>
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