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.