[FFmpeg-user] Capture 1080 50i from decklink

Maxim Kozlov rogat1y at gmail.com
Fri Apr 17 16:56:18 CEST 2015


Hi.

Is it possible to capture full hd 1920x1080 50i source?
-list_formats allows only 25 fps

$ ffmpeg -f decklink -list_formats 1 -i 'DeckLink SDI (1)'
ffmpeg version 2.6.git Copyright (c) 2000-2015 the FFmpeg developers
  built with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
  configuration: --disable-shared --enable-static --enable-gpl
--enable-nonfree --enable-fontconfig --enable-libfaac --enable-libfreetype
--enable-libmp3lame --enable-librtmp --enable-libvo-aacenc --enable-libx264
--enable-decklink --enable-version3 --enable-ffplay --disable-doc
--disable-ffserver --enable-pthreads --enable-filters --enable-libvorbis
--enable-libtheora --enable-runtime-cpudetect --enable-libass
--enable-libzmq --enable-bzlib --enable-zlib
--extra-cflags=-I/misc/encoder/ffmpeg_ubuntu/ffmpeg_src/BlackmagicDeckLinkSDK10_3_1/Linux/include
--prefix=/misc/encoder/ffmpeg_ubuntu/compiled14/ --extra-libs='-ldl -fPIC'
  libavutil      54. 20.100 / 54. 20.100
  libavcodec     56. 28.100 / 56. 28.100
  libavformat    56. 25.101 / 56. 25.101
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 12.100 /  5. 12.100
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  1.100 /  1.  1.100
  libpostproc    53.  3.100 / 53.  3.100
[decklink @ 0x1c643a0] Supported formats for 'DeckLink SDI (1)':
[decklink @ 0x1c643a0]     1    720x486 at 30000/1001 fps (interlaced,
lower field first)
[decklink @ 0x1c643a0]     2    720x486 at 24000/1001 fps
[decklink @ 0x1c643a0]     3    720x576 at 25000/1000 fps (interlaced,
upper field first)
[decklink @ 0x1c643a0]     4    1920x1080 at 24000/1001 fps
[decklink @ 0x1c643a0]     5    1920x1080 at 24000/1000 fps
[decklink @ 0x1c643a0]     6    1920x1080 at 25000/1000 fps
[decklink @ 0x1c643a0]     7    1920x1080 at 30000/1001 fps
[decklink @ 0x1c643a0]     8    1920x1080 at 30000/1000 fps
[decklink @ 0x1c643a0]     9    1920x1080 at 25000/1000 fps (interlaced,
upper field first)
[decklink @ 0x1c643a0]     10    1920x1080 at 30000/1001 fps (interlaced,
upper field first)
[decklink @ 0x1c643a0]     11    1920x1080 at 30000/1000 fps (interlaced,
upper field first)
[decklink @ 0x1c643a0]     12    1280x720 at 50000/1000 fps
[decklink @ 0x1c643a0]     13    1280x720 at 60000/1001 fps
[decklink @ 0x1c643a0]     14    1280x720 at 60000/1000 fps
DeckLink SDI (1): Immediate exit requested


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