Quad 2 no video

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Sergey Gubanov

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Quad 2 no video

PostThu Mar 31, 2016 7:00 am

Hello,
we have workstation with linux ubuntu on board, with 3 "Decklink SDI Quad" cards and one "Decklink Quad 2"
Whe are using ffmpeg to get video from Decklink cards, and with Decklink SDI Quad it works fine, but with new "Quad 2" card whe get only sound, but no video.

comand whe run:
ffmpeg -f decklink -i 'DeckLink Quad (6)@6' decklink_quad.avi

Is need to send more options to card, to get video?

ffmpeg -f decklink -i 'DeckLink Quad (6)@6' decklink_quad.avi
ffmpeg version N-79103-gd4773c9 Copyright (c) 2000-2016 the FFmpeg developers
built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.1)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-encoder=aac --enable-libx264 --enable-nonfree --enable-postproc --enable-version3 --enable-x11grab --enable-decklink --enable-libvpx --extra-ldflags=-ldl --extra-libs=-ldl
libavutil 55. 19.100 / 55. 19.100
libavcodec 57. 28.103 / 57. 28.103
libavformat 57. 28.102 / 57. 28.102
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 39.102 / 6. 39.102
libswscale 4. 0.100 / 4. 0.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
[decklink @ 0x20da420] Found Decklink mode 1920 x 1080 with rate 29.97
[decklink @ 0x20da420] Frame received (#1) - No input signal detected - Frames dropped 1
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, decklink, from 'DeckLink Quad (6)@6':
Duration: N/A, start: 0.000000, bitrate: 1536 kb/s
Stream #0:0: Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
Stream #0:1: Video: rawvideo (UYVY / 0x59565955), uyvy422, 1920x1080, -5 kb/s, 29.97 tbr, 1000k tbn, 29.97 tbc
File 'decklink_quad.avi' already exists. Overwrite ? [y/N] y
Output #0, avi, to 'decklink_quad.avi':
Metadata:
ISFT : Lavf57.28.102
Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 1920x1080, q=2-31, 200 kb/s, 29.97 fps, 29.97 tbn, 29.97 tbc
Metadata:
encoder : Lavc57.28.103 mpeg4
Side data:
cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1
Stream #0:1: Audio: ac3 ([0] [0][0] / 0x2000), 48000 Hz, stereo, fltp, 192 kb/s
Metadata:
encoder : Lavc57.28.103 ac3
Stream mapping:
Stream #0:1 -> #0:0 (rawvideo (native) -> mpeg4 (native))
Stream #0:0 -> #0:1 (pcm_s16le (native) -> ac3 (native))
Press [q] to stop, [?] for help
frame= 167 fps= 48 q=2.0 Lsize= 627kB time=00:00:05.57 bitrate= 922.0kbits/s speed=1.62x
video:480kB audio:130kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 2.898453%
Exiting normally, received signal 2.


ffmpeg -f decklink -list_devices 1 -i dummy :
[decklink @ 0x2cad400] 'DeckLink SDI (1)'
[decklink @ 0x2cad400] 'DeckLink SDI (2)'
[decklink @ 0x2cad400] 'DeckLink SDI (3)'
[decklink @ 0x2cad400] 'DeckLink SDI (4)'
[decklink @ 0x2cad400] 'DeckLink SDI (5)'
[decklink @ 0x2cad400] 'DeckLink SDI (6)'
[decklink @ 0x2cad400] 'DeckLink SDI (7)'
[decklink @ 0x2cad400] 'DeckLink SDI (8)'
[decklink @ 0x2cad400] 'DeckLink SDI (9)'
[decklink @ 0x2cad400] 'DeckLink SDI (10)'
[decklink @ 0x2cad400] 'DeckLink SDI (11)'
[decklink @ 0x2cad400] 'DeckLink SDI (12)'
[decklink @ 0x2cad400] 'DeckLink Quad (1)'
[decklink @ 0x2cad400] 'DeckLink Quad (2)'
[decklink @ 0x2cad400] 'DeckLink Quad (3)'
[decklink @ 0x2cad400] 'DeckLink Quad (4)'
[decklink @ 0x2cad400] 'DeckLink Quad (5)'
[decklink @ 0x2cad400] 'DeckLink Quad (6)'
[decklink @ 0x2cad400] 'DeckLink Quad (7)'
[decklink @ 0x2cad400] 'DeckLink Quad (8)'

ffmpeg -f decklink -list_formats 1 -i 'DeckLink Quad (6)@6'
[decklink @ 0x2789400] 1 720x486 at 30000/1001 fps (interlaced, lower field first)
[decklink @ 0x2789400] 2 720x576 at 25000/1000 fps (interlaced, upper field first)
[decklink @ 0x2789400] 3 1920x1080 at 24000/1001 fps
[decklink @ 0x2789400] 4 1920x1080 at 24000/1000 fps
[decklink @ 0x2789400] 5 1920x1080 at 25000/1000 fps
[decklink @ 0x2789400] 6 1920x1080 at 30000/1001 fps
[decklink @ 0x2789400] 7 1920x1080 at 30000/1000 fps
[decklink @ 0x2789400] 8 1920x1080 at 25000/1000 fps (interlaced, upper field first)
[decklink @ 0x2789400] 9 1920x1080 at 30000/1001 fps (interlaced, upper field first)
[decklink @ 0x2789400] 10 1920x1080 at 30000/1000 fps (interlaced, upper field first)
[decklink @ 0x2789400] 11 1920x1080 at 50000/1000 fps
[decklink @ 0x2789400] 12 1920x1080 at 60000/1001 fps
[decklink @ 0x2789400] 13 1920x1080 at 60000/1000 fps
[decklink @ 0x2789400] 14 1280x720 at 50000/1000 fps
[decklink @ 0x2789400] 15 1280x720 at 60000/1001 fps
[decklink @ 0x2789400] 16 1280x720 at 60000/1000 fps
Attachments
decklink_quad.png
decklink_quad.png (31.41 KiB) Viewed 745 times

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