Windows 10

Intel i7-8700K

GTX 1050Ti

16GB DDR4

SATA Samsung Evo

 

I'm using a Yuan 4K60 capture card with the end goal of capturing the video
in a lossless format. I need it to be lossless as the clips will be used to
test hardware h264 encoders. 

 

Product page:
http://www.yuan.com.tw/products/capture/4k/sc560n1_lv_hdmi2.htm

Directshow is supported.

 

Command: ffmpeg -f dshow -video_size 3840x2160 -framerate 59.9 -rtbufsize
2100000000 -pixel_format bgr24 -i video="MZ0380 PCI, Analog 01 Capture" -c:v
libx265 -x265-params lossless=1 out1.avi

 

I have also tried writing to null: ffmpeg -f dshow -video_size 3840x2160
-framerate 59.9 -rtbufsize 2100000000 -pixel_format bgr24 -i video="MZ0380
PCI, Analog 01 Capture" -c:v libx265 -x265-params lossless=1 -f null -

 

I get the same error (see attatched) and I have to force quit by pressing
Ctrl-C a bunch. Error also occurs if I write to a RAM disk.

 

[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture]
[video input] too full or near too full (63% of size: 2100000000 [rtbufsize
parameter])! frame dropped!

 

Any help would be appreciated. 1080p capture right to rawvideo is perfect. I
would like to use NVENC in lossless mode if anyone has experience with that.

 

 

C:\Users\alex.p\Desktop\ffmpeg\bin>ffmpeg -f dshow -video_size 3840x2160 
-framerate 59.9 -rtbufsize 2100000000 -pixel_format bgr24 -i video="MZ0380 PCI, 
Analog 01 Capture" -c:v libx265 -x265-params lossless=1 -f null -
ffmpeg version git-2017-12-22-e3b2c85 Copyright (c) 2000-2017 the FFmpeg 
developers
  built with gcc 7.2.0 (GCC)
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib 
--enable-fontconfig --enable-gnutls --enable-iconv --enable-libass 
--enable-libbluray --enable-libfreetype --enable-libmp3lame 
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg 
--enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr 
--enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack 
--enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 
--enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab 
--enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex 
--enable-amf --enable-cuda --enable-cuvid --enable-d3d11va --enable-nvenc 
--enable-dxva2 --enable-avisynth --enable-libmfx
  libavutil      56.  6.100 / 56.  6.100
  libavcodec     58.  8.100 / 58.  8.100
  libavformat    58.  3.100 / 58.  3.100
  libavdevice    58.  0.100 / 58.  0.100
  libavfilter     7.  7.100 /  7.  7.100
  libswscale      5.  0.101 /  5.  0.101
  libswresample   3.  0.101 /  3.  0.101
  libpostproc    55.  0.100 / 55.  0.100
Input #0, dshow, from 'video=MZ0380 PCI, Analog 01 Capture':
  Duration: N/A, start: 433919.570000, bitrate: N/A
    Stream #0:0: Video: rawvideo, bgr24, 3840x2160, 59.90 fps, 59.90 tbr, 
10000k tbn, 10000k tbc
Stream mapping:
  Stream #0:0 -> #0:0 (rawvideo (native) -> hevc (libx265))
Press [q] to stop, [?] for help
x265 [info]: HEVC encoder version 2.6+13-6b079854e56e
x265 [info]: build info [Windows][GCC 7.2.0][64 bit] 8bit
x265 [info]: using cpu capabilities: MMX2 SSE2Fast LZCNT SSSE3 SSE4.2 AVX FMA3 
BMI2 AVX2
x265 [info]: Main 4:4:4 profile, Level-8.5 (Main tier)
x265 [info]: Thread pool created using 12 threads
x265 [info]: Slices                              : 1
x265 [info]: frame threads / pool features       : 3 / wpp(34 rows)
x265 [info]: Coding QT: max CU size, min CU size : 64 / 8
x265 [info]: Residual QT: max TU size, max depth : 32 / 1 inter / 1 intra
x265 [info]: ME / range / subpel / merge         : hex / 57 / 2 / 2
x265 [info]: Keyframe min / max / scenecut / bias: 25 / 250 / 40 / 5.00
x265 [info]: Cb/Cr QP Offset                     : 6 / 6
x265 [info]: Lookahead / bframes / badapt        : 20 / 4 / 2
x265 [info]: b-pyramid / weightp / weightb       : 1 / 1 / 0
x265 [info]: References / ref-limit  cu / depth  : 3 / on / on
x265 [info]: Rate Control                        : Lossless
x265 [info]: tools: rd=3 psy-rd=2.00 rskip signhide tmvp strong-intra-smoothing
x265 [info]: tools: lslices=8 deblock sao
Output #0, null, to 'pipe:':
  Metadata:
    encoder         : Lavf58.3.100
    Stream #0:0: Video: hevc (libx265), gbrp, 3840x2160, q=2-31, 59.90 fps, 
59.90 tbn, 59.90 tbc
    Metadata:
      encoder         : Lavc58.8.100 libx265
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (63% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (66% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (69% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (72% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (75% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (78% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 1 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (79% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 1 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (80% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (79% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (80% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 1 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (81% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 1 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (82% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 1 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (84% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 1 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (85% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 1 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (86% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 1 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (87% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 1 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (88% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (87% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 1 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (88% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (87% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 4 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (87% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 7 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (88% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 1 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (87% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (88% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (87% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 1 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (88% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (87% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 3 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (88% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (87% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 3 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (88% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (87% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 1 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (87% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 3 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (86% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (87% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 3 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (86% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (88% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (87% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 1 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (87% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 6 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (86% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (87% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (86% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (87% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (86% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (88% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (88% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 1 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (90% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 2 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (91% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 2 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (92% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 2 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (93% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 2 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (94% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 2 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (95% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 2 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (97% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 2 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (98% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 2 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (99% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 2 times
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (100% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 20 times
frame=   74 fps= 10 q=-0.0 Lsize=N/A time=00:00:01.43 bitrate=N/A speed=0.202x
video:841kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing 
overhead: unknown
x265 [info]: frame I:      1, Avg QP:4.00  kb/s: 81358.06
x265 [info]: frame P:     62, Avg QP:4.00  kb/s: 2495.44
x265 [info]: frame B:     11, Avg QP:4.00  kb/s: 15960.19
x265 [info]: Weighted P-Frames: Y:0.0% UV:0.0%
x265 [info]: consecutive B-frames: 84.1% 14.3% 1.6% 0.0% 0.0%
x265 [info]: lossless compression ratio 714.53::1

encoded 74 frames in 7.06s (10.47 fps), 5562.67 kb/s, Avg QP:4.00
[dshow @ 000001dda20ca3a0] real-time buffer [MZ0380 PCI, Analog 01 Capture] 
[video input] too full or near too full (100% of size: 2100000000 [rtbufsize 
parameter])! frame dropped!
    Last message repeated 23 times
Exiting normally, received signal 2.
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