# Pastebin nznU3jDP $ ./ffmpeg.exe -f dshow -s 1280x720 -framerate 33 -i video="HD 720P Webcam":audio="Microphone (6- USB Microphone)" -c:v libx264 -c:a aac -vf "drawtext=fontfile='droid-sans-mono.ttf': text='%{localtime}': fontcolor=white@0.8: x=1080: y=695" -rtbufsize 1024M 20180821T021055.mkv ffmpeg version N-91414-g3b10bb8772 Copyright (c) 2000-2018 the FFmpeg developers built with gcc 7.3.0 (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-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth libavutil 56. 18.102 / 56. 18.102 libavcodec 58. 21.104 / 58. 21.104 libavformat 58. 17.101 / 58. 17.101 libavdevice 58. 4.101 / 58. 4.101 libavfilter 7. 25.100 / 7. 25.100 libswscale 5. 2.100 / 5. 2.100 libswresample 3. 2.100 / 3. 2.100 libpostproc 55. 2.100 / 55. 2.100 Guessed Channel Layout for Input Stream #0.1 : stereo Input #0, dshow, from 'video=HD 720P Webcam:audio=Microphone (6- USB Microphone)': Duration: N/A, start: 283719.395000, bitrate: 1411 kb/s Stream #0:0: Video: mjpeg (MJPG / 0x47504A4D), yuvj422p(pc, bt470bg/unknown/unknown), 1280x720, 33 fps, 33 tbr, 10000k tbn, 10000k tbc Stream #0:1: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s File '20180821T021055.mkv' already exists. Overwrite ? [y/N] y Stream mapping: Stream #0:0 -> #0:0 (mjpeg (native) -> h264 (libx264)) Stream #0:1 -> #0:1 (pcm_s16le (native) -> aac (native)) Press [q] to stop, [?] for help [libx264 @ 0000024c18b68d00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2 [libx264 @ 0000024c18b68d00] profile High 4:2:2, level 3.2, 4:2:2 8-bit [libx264 @ 0000024c18b68d00] 264 - core 155 r2901 7d0ff22 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00 Output #0, matroska, to '20180821T021055.mkv': Metadata: encoder : Lavf58.17.101 Stream #0:0: Video: h264 (libx264) (H264 / 0x34363248), yuvj422p(pc), 1280x720, q=-1--1, 33 fps, 1k tbn, 33 tbc Metadata: encoder : Lavc58.21.104 libx264 Side data: cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1 Stream #0:1: Audio: aac (LC) ([255][0][0][0] / 0x00FF), 44100 Hz, stereo, fltp, 128 kb/s Metadata: encoder : Lavc58.21.104 aac [mjpeg @ 0000024c18b03e00] EOI missing, emulating Last message repeated 18 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating:00:01.95 bitrate= 3.8kbits/s speed=3.91x Last message repeated 6 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating:00:02.95 bitrate= 2.5kbits/s speed=2.93x Last message repeated 6 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating:00:03.44 bitrate= 2.2kbits/s speed=2.28x Last message repeated 6 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating:00:03.44 bitrate= 2.2kbits/s speed= 1.7x Last message repeated 8 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating0:00:04.44 bitrate= 34.0kbits/s speed=1.74x Last message repeated 7 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating0:00:04.95 bitrate= 30.5kbits/s speed=1.62x Last message repeated 4 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating0:00:05.44 bitrate= 27.8kbits/s speed=1.53x Last message repeated 8 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating0:00:05.95 bitrate= 25.4kbits/s speed=1.46x Last message repeated 4 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating0:00:06.43 bitrate= 23.5kbits/s speed=1.41x Last message repeated 3 times Error while decoding stream #0:0: Invalid data found when processing input [mjpeg @ 0000024c18b03e00] EOI missing, emulating Last message repeated 1 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating0:00:06.95 bitrate= 21.7kbits/s speed=1.37x Last message repeated 3 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating0:00:07.43 bitrate= 20.3kbits/s speed=1.33x Last message repeated 3 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating0:00:07.94 bitrate= 19.0kbits/s speed= 1.3x Last message repeated 3 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating0:00:08.46 bitrate= 17.9kbits/s speed=1.28x Last message repeated 4 times [dshow @ 0000024c18afb500] real-time buffer [HD 720P Webcam] [video input] too full or near too full (80% of size: 3041280 [rtbufsize parameter])! frame dropped! Last message repeated 1 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating [dshow @ 0000024c18afb500] real-time buffer [HD 720P Webcam] [video input] too full or near too full (89% of size: 3041280 [rtbufsize parameter])! frame dropped! Last message repeated 1 times [dshow @ 0000024c18afb500] real-time buffer [HD 720P Webcam] [video input] too full or near too full (94% of size: 3041280 [rtbufsize parameter])! frame dropped! [dshow @ 0000024c18afb500] real-time buffer [HD 720P Webcam] [video input] too full or near too full (89% of size: 3041280 [rtbufsize parameter])! frame dropped! [mjpeg @ 0000024c18b03e00] EOI missing, emulating Last message repeated 6 times [dshow @ 0000024c18afb500] real-time buffer [HD 720P Webcam] [video input] too full or near too full (71% of size: 3041280 [rtbufsize parameter])! frame dropped! [mjpeg @ 0000024c18b03e00] EOI missing, emulating Last message repeated 2 times [dshow @ 0000024c18afb500] real-time buffer [HD 720P Webcam] [video input] too full or near too full (67% of size: 3041280 [rtbufsize parameter])! frame dropped! [mjpeg @ 0000024c18b03e00] EOI missing, emulating [mjpeg @ 0000024c18b03e00] EOI missing, emulating0:00:09.45 bitrate=2088.4kbits/s speed=0.23x Last message repeated 8 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating0:00:11.94 bitrate=1653.8kbits/s dup=0 drop=2 speed=0.287x Last message repeated 8 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating0:00:12.45 bitrate=1586.1kbits/s dup=0 drop=2 speed=0.295x Last message repeated 2 times [mjpeg @ 0000024c18b03e00] mjpeg: unsupported coding type (ca) [mjpeg @ 0000024c18b03e00] EOI missing, emulating Last message repeated 3 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating0:00:44.02 bitrate= 642.6kbits/s dup=0 drop=2 speed=1.03x Last message repeated 1 times [mjpeg @ 0000024c18b03e00] unable to decode APP fields: Invalid data found when processing input [mjpeg @ 0000024c18b03e00] EOI missing, emulating Last message repeated 6 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating0:00:44.51 bitrate= 635.5kbits/s dup=0 drop=2 speed=1.03x Last message repeated 6 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating0:00:45.51 bitrate= 800.6kbits/s dup=0 drop=2 speed=1.04x Last message repeated 5 times [mjpeg @ 0000024c18b03e00] EOI missing, emulating0:00:46.02 bitrate= 791.8kbits/s dup=0 drop=2 speed=1.04x