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Autres articles (15)
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Personnaliser les catégories
21 juin 2013, parFormulaire de création d’une catégorie
Pour ceux qui connaissent bien SPIP, une catégorie peut être assimilée à une rubrique.
Dans le cas d’un document de type catégorie, les champs proposés par défaut sont : Texte
On peut modifier ce formulaire dans la partie :
Administration > Configuration des masques de formulaire.
Dans le cas d’un document de type média, les champs non affichés par défaut sont : Descriptif rapide
Par ailleurs, c’est dans cette partie configuration qu’on peut indiquer le (...) -
Les formats acceptés
28 janvier 2010, parLes commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
ffmpeg -codecs ffmpeg -formats
Les format videos acceptés en entrée
Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
Les formats vidéos de sortie possibles
Dans un premier temps on (...) -
Supporting all media types
13 avril 2011, parUnlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats : images : png, gif, jpg, bmp and more audio : MP3, Ogg, Wav and more video : AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data : OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)
Sur d’autres sites (4872)
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Problems with frame rate on video conversion using ffmpeg with libx264 [migrated]
29 mai 2013, par Lars SchroeterI have problems with transcoding some videos. I ran the most simple ffmpeg command and it takes very long time and the output file is about 10 times bigger. If I provide the frame rate parameter -r it works well (small file, fast transcoding). What is the problem and how can I solve it ? I don't want to set a fixed frame rate because I guess it's better to leave it the same as source, isn't it ?.
Maybe the problem is something else, because I found many examples in web where the -r option isn't used. Also transcoding to a different format or with a different source works well without -r option (I tried with ffmpeg 0.7.15 and also 1.2.1). The videos are provided by the users of my website and automatically converted to be suitable for the web. So I need the most general command for automatic conversion.
In the following ffmpeg output you will find this two suspicious messages :
- Frame rate very high for a muxer not effciciently supporting it. Please consider specifiying a lower framerate, a different muxer or -vsync 2
- MB rate (36000000) > level limit (983040)
The ffmpeg command and output (without -r option) :
ffmpeg -i '/tmp/standort_aquarium.mp4' -vcodec libx264 output.mp4
ffmpeg version 0.7.15, Copyright (c) 2000-2013 the FFmpeg developers built on Feb 22 2013 07:18:58 with gcc 4.4.5 configuration : —enable-libdc1394 —prefix=/usr —extra-cflags='-Wall -g ' —cc='ccache cc' —enable-shared —enable-libmp3lame —enable-gpl —enable-libvorbis —enable-pthreads —enable-libfaac —enable-libxvid —enable-postproc —enable-x11grab —enable-libgsm —enable-libtheora —enable-libopencore-amrnb —enable-libopencore-amrwb —enable-libx264 —enable-libspeex —enable-nonfree —disable-stripping —enable-avfilter —enable-libdirac —disable-decoder=libdirac —enable-libfreetype —enable-libschroedinger —disable-encoder=libschroedinger —enable-version3 —enable-libopenjpeg —enable-libvpx —enable-librtmp —extra-libs=-lgcrypt —disable-altivec —disable-armv5te —disable-armv6 —disable-vis
libavutil 50. 43. 0 / 50. 43. 0
libavcodec 52.123. 0 / 52.123. 0
libavformat 52.111. 0 / 52.111. 0
libavdevice 52. 5. 0 / 52. 5. 0
libavfilter 1. 80. 0 / 1. 80. 0
libswscale 0. 14. 1 / 0. 14. 1
libpostproc 51. 2. 0 / 51. 2. 0
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/tmp/standort_aquarium.mp4' :
Metadata :
major_brand : mp42
minor_version : 0
compatible_brands : mp423gp4isom
creation_time : 2013-04-19 15:04:05
Duration : 00:00:18.24, start : 0.000000, bitrate : 2095 kb/s
Stream #0.0(und) : Video : mpeg4, yuv420p, 640x480 [PAR 1:1 DAR 4:3], 2001 kb/s, 14.97 fps, 30k tbr, 30k tbn, 30k tbc
Metadata :
creation_time : 2013-04-19 15:04:05
Stream #0.1(und) : Audio : aac, 48000 Hz, mono, s16, 96 kb/s
Metadata :
creation_time : 2013-04-19 15:04:05
File 'output.mp4' already exists. Overwrite ? [y/N] y
[mp4 @ 0x20eed80] Frame rate very high for a muxer not effciciently supporting it.
Please consider specifiying a lower framerate, a different muxer or -vsync 2
[buffer @ 0x20f8820] w:640 h:480 pixfmt:yuv420p tb:1/1000000 sar:1/1 sws_param :
[libx264 @ 0x20efde0] Default settings detected, using medium profile
[libx264 @ 0x20efde0] using SAR=1/1
[libx264 @ 0x20efde0] MB rate (36000000) > level limit (983040)
[libx264 @ 0x20efde0] using cpu capabilities : MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2
[libx264 @ 0x20efde0] profile High, level 5.1
[libx264 @ 0x20efde0] 264 - core 118 - H.264/MPEG-4 AVC codec - Copyleft 2003-2011 - 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=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, mp4, to 'output.mp4' :
Metadata :
major_brand : mp42
minor_version : 0
compatible_brands : mp423gp4isom
creation_time : 2013-04-19 15:04:05
encoder : Lavf52.111.0
Stream #0.0(und) : Video : libx264, yuv420p, 640x480 [PAR 1:1 DAR 4:3], q=2-31, 200 kb/s, 30k tbn, 30k tbc
Metadata :
creation_time : 2013-04-19 15:04:05
Stream #0.1(und) : Audio : libfaac, 48000 Hz, mono, s16, 64 kb/s
Metadata :
creation_time : 2013-04-19 15:04:05
Stream mapping :
Stream #0.0 -> #0.0
Stream #0.1 -> #0.1
Press [q] to stop, [?] for help
frame=542630 fps=132 q=33.0 Lsize= 77226kB time=00:00:18.08 bitrate=34976.2kbits/s dup=542358 drop=0
video:68604kB audio:143kB global headers:0kB muxing overhead 12.333275%
frame I:2174 Avg QP:18.72 size : 25040
[libx264 @ 0x20efde0] frame P:136846 Avg QP:25.27 size : 56
[libx264 @ 0x20efde0] frame B:403610 Avg QP:32.99 size : 20
[libx264 @ 0x20efde0] consecutive B-frames : 0.8% 0.0% 0.1% 99.1%
[libx264 @ 0x20efde0] mb I I16..4 : 5.5% 83.3% 11.1%
[libx264 @ 0x20efde0] mb P I16..4 : 0.0% 0.0% 0.0% P16..4 : 0.5% 0.0% 0.0% 0.0% 0.0% skip:99.4%
[libx264 @ 0x20efde0] mb B I16..4 : 0.0% 0.0% 0.0% B16..8 : 0.0% 0.0% 0.0% direct : 0.0% skip:100.0% L0:21.2% L1:78.8% BI : 0.0%
[libx264 @ 0x20efde0] 8x8 transform intra:83.1% inter:85.2%
[libx264 @ 0x20efde0] coded y,uvDC,uvAC intra : 91.2% 95.8% 80.7% inter : 0.0% 0.1% 0.0%
[libx264 @ 0x20efde0] i16 v,h,dc,p : 13% 40% 12% 35%
[libx264 @ 0x20efde0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu : 19% 34% 15% 4% 4% 5% 6% 7% 8%
[libx264 @ 0x20efde0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu : 20% 38% 6% 4% 6% 6% 8% 6% 6%
[libx264 @ 0x20efde0] i8c dc,h,v,p : 39% 32% 19% 10%
[libx264 @ 0x20efde0] Weighted P-Frames : Y:0.0% UV:0.0%
[libx264 @ 0x20efde0] ref P L0 : 91.5% 5.2% 2.8% 0.4% 0.0%
[libx264 @ 0x20efde0] ref B L0 : 55.7% 43.5% 0.8%
[libx264 @ 0x20efde0] ref B L1 : 97.9% 2.1%
[libx264 @ 0x20efde0] kb/s:31071.04The ffmpeg command and output with the -r 24 option :
ffmpeg -i '/tmp/standort_aquarium.mp4' -r 30000/1001 -vcodec libx264 output.mp4
ffmpeg version 0.7.15, Copyright (c) 2000-2013 the FFmpeg developers
built on Feb 22 2013 07:18:58 with gcc 4.4.5
configuration : —enable-libdc1394 —prefix=/usr —extra-cflags='-Wall -g ' —cc='ccache cc' —enable-shared —enable-libmp3lame —enable-gpl —enable-libvorbis —enable-pthreads —enable-libfaac —enable-libxvid —enable-postproc —enable-x11grab —enable-libgsm —enable-libtheora —enable-libopencore-amrnb —enable-libopencore-amrwb —enable-libx264 —enable-libspeex —enable-nonfree —disable-stripping —enable-avfilter —enable-libdirac —disable-decoder=libdirac —enable-libfreetype —enable-libschroedinger —disable-encoder=libschroedinger —enable-version3 —enable-libopenjpeg —enable-libvpx —enable-librtmp —extra-libs=-lgcrypt —disable-altivec —disable-armv5te —disable-armv6 —disable-vis
libavutil 50. 43. 0 / 50. 43. 0
libavcodec 52.123. 0 / 52.123. 0
libavformat 52.111. 0 / 52.111. 0
libavdevice 52. 5. 0 / 52. 5. 0
libavfilter 1. 80. 0 / 1. 80. 0
libswscale 0. 14. 1 / 0. 14. 1
libpostproc 51. 2. 0 / 51. 2. 0
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/tmp/standort_aquarium.mp4' :
Metadata :
major_brand : mp42
minor_version : 0
compatible_brands : mp423gp4isom
creation_time : 2013-04-19 15:04:05
Duration : 00:00:18.24, start : 0.000000, bitrate : 2095 kb/s
Stream #0.0(und) : Video : mpeg4, yuv420p, 640x480 [PAR 1:1 DAR 4:3], 2001 kb/s, 14.97 fps, 30k tbr, 30k tbn, 30k tbc
Metadata :
creation_time : 2013-04-19 15:04:05
Stream #0.1(und) : Audio : aac, 48000 Hz, mono, s16, 96 kb/s
Metadata :
creation_time : 2013-04-19 15:04:05
File 'output.mp4' already exists. Overwrite ? [y/N] y
[buffer @ 0x132e820] w:640 h:480 pixfmt:yuv420p tb:1/1000000 sar:1/1 sws_param :
[libx264 @ 0x1325de0] Default settings detected, using medium profile
[libx264 @ 0x1325de0] using SAR=1/1
[libx264 @ 0x1325de0] using cpu capabilities : MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2
[libx264 @ 0x1325de0] profile High, level 3.0
[libx264 @ 0x1325de0] 264 - core 118 - H.264/MPEG-4 AVC codec - Copyleft 2003-2011 - 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=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, mp4, to 'output.mp4' :
Metadata :
major_brand : mp42
minor_version : 0
compatible_brands : mp423gp4isom
creation_time : 2013-04-19 15:04:05
encoder : Lavf52.111.0
Stream #0.0(und) : Video : libx264, yuv420p, 640x480 [PAR 1:1 DAR 4:3], q=2-31, 200 kb/s, 30k tbn, 29.97 tbc
Metadata :
creation_time : 2013-04-19 15:04:05
Stream #0.1(und) : Audio : libfaac, 48000 Hz, mono, s16, 64 kb/s
Metadata :
creation_time : 2013-04-19 15:04:05
Stream mapping :
Stream #0.0 -> #0.0
Stream #0.1 -> #0.1
Press [q] to stop, [?] for help
frame= 542 fps= 36 q=29.0 Lsize= 2059kB time=00:00:18.01 bitrate= 936.3kbits/s dup=270 drop=0
video:1904kB audio:143kB global headers:0kB muxing overhead 0.609224%
frame I:3 Avg QP:22.39 size : 14773
[libx264 @ 0x1325de0] frame P:514 Avg QP:23.98 size : 3675
[libx264 @ 0x1325de0] frame B:25 Avg QP:27.44 size : 643
[libx264 @ 0x1325de0] consecutive B-frames : 93.7% 0.0% 1.1% 5.2%
[libx264 @ 0x1325de0] mb I I16..4 : 16.4% 78.3% 5.3%
[libx264 @ 0x1325de0] mb P I16..4 : 1.6% 6.3% 0.3% P16..4 : 30.8% 8.6% 3.1% 0.0% 0.0% skip:49.4%
[libx264 @ 0x1325de0] mb B I16..4 : 0.4% 0.7% 0.0% B16..8 : 13.2% 1.6% 0.2% direct : 0.3% skip:83.6% L0:50.0% L1:47.1% BI : 2.9%
[libx264 @ 0x1325de0] 8x8 transform intra:77.1% inter:83.1%
[libx264 @ 0x1325de0] coded y,uvDC,uvAC intra : 62.0% 76.4% 24.4% inter : 17.9% 26.3% 2.3%
[libx264 @ 0x1325de0] i16 v,h,dc,p : 14% 60% 13% 13%
[libx264 @ 0x1325de0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu : 15% 35% 33% 2% 3% 3% 3% 3% 4%
[libx264 @ 0x1325de0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu : 15% 40% 12% 4% 7% 7% 7% 5% 4%
[libx264 @ 0x1325de0] i8c dc,h,v,p : 46% 34% 16% 4%
[libx264 @ 0x1325de0] Weighted P-Frames : Y:8.0% UV:4.5%
[libx264 @ 0x1325de0] ref P L0 : 65.6% 16.7% 8.8% 7.9% 0.9%
[libx264 @ 0x1325de0] ref B L0 : 85.9% 13.3% 0.8%
[libx264 @ 0x1325de0] ref B L1 : 88.7% 11.3%
[libx264 @ 0x1325de0] kb/s:862.28The video source is temporarily available under : https://www.dropbox.com/s/4xg147z77u40g87/standort_aquarium.mp4
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how to play video with an Image onit in ffmpeg [closed]
22 mai 2020, par Naveen Kumarhttps://i.stack.imgur.com/Yqt2i.jpg



Need to play a video with an image over it in ffmpeg



i have tried



ffmpeg -i s.mp4 -i l.png -filter_complex 'overlay=10:main_h-overlay_h-10' avi - | ffplay -



but giving "Error initializing complex filters" even though i am using exact sysntax in ffmpeg documentation





ffmpeg version 4.2.2 Copyright (c) 2000-2019 the FFmpeg developers
 built with gcc 9.2.1 (GCC) 20200122
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --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 --enable-libopenmpt
 libavutil 56. 31.100 / 56. 31.100
 libavcodec 58. 54.100 / 58. 54.100
 libavformat 58. 29.100 / 58. 29.100
 libavdevice 58. 8.100 / 58. 8.100
 libavfilter 7. 57.100 / 7. 57.100
 libswscale 5. 5.100 / 5. 5.100
 libswresample 3. 5.100 / 3. 5.100
 libpostproc 55. 5.100 / 55. 5.100
ffplay version 4.2.2 Copyright (c) 2003-2019 the FFmpeg developers
 built with gcc 9.2.1 (GCC) 20200122
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --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 --enable-libopenmpt
 libavutil 56. 31.100 / 56. 31.100
 libavcodec 58. 54.100 / 58. 54.100
 libavformat 58. 29.100 / 58. 29.100
 libavdevice 58. 8.100 / 58. 8.100
 libavfilter 7. 57.100 / 7. 57.100
 libswscale 5. 5.100 / 5. 5.100
 libswresample 3. 5.100 / 3. 5.100
 libpostproc 55. 5.100 / 55. 5.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 's.mp4':
 Metadata:
 major_brand : mp42
 minor_version : 0
 compatible_brands: isommp42
 creation_time : 2020-01-19T02:20:09.000000Z
 Duration: 00:00:05.29, start: 0.000000, bitrate: 1252 kb/s
 Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709), 1280x720 [SAR 1:1 DAR 16:9], 1120 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
 Metadata:
 creation_time : 2020-01-19T02:20:09.000000Z
 handler_name : ISO Media file produced by Google Inc. Created on: 01/18/2020.
 Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
 Metadata:
 creation_time : 2020-01-19T02:20:09.000000Z
 handler_name : ISO Media file produced by Google Inc. Created on: 01/18/2020. nan : 0.000 fd= 0 aq= 0KB vq= 0KB sq= 0B f=0/0
Input #1, png_pipe, from 'l.png': 0KB vq= 0KB sq= 0B f=0/0
 Duration: N/A, bitrate: N/A
 Stream #1:0: Video: png, rgba(pc), 2000x2000 [SAR 3779:3779 DAR 1:1], 25 tbr, 25 tbn, 25 tbc
[AVFilterGraph @ 000001584ea4c180] No such filter: 'overlay=10:main_h-overlay_h-10'
Error initializing complex filters.
Invalid argument
pipe:: Invalid data found when processing input


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FFmpeg recording works on one laptop but not the other
30 novembre 2019, par Jason TThe following command :
ffmpeg -f dshow -framerate 30 -video_size 640x480 -i video="HD Pro Webcam C920" out.mp4works on one laptop (with C920 LogiTech camera) (Im calling it GOOD LAPTOP). It outputs a recorded video. But it will fail on another laptop (called BAD LAPTOP) and by fail on another I mean - it doesnt output a video (see below for output).
The suggestions are to change parameters based on the specific error that occur on BAD LAPTOP. I have tried many different suggestions but they dont seem to work. Furthermore, they dont provide much insight into the underlying cause of the problem.
Ive used the same camera on both laptops. Im using static windows binaries downloaded from FFmpeg web-site (veranoe). Please note the versions used below were different but that doesnt appear to matter.
Trying to diagnose. Anyone have an idea of where the problem may lie. It seems to indicate a problem at the level of the system / camera setup.
Please note that I’ve updated BAD LAPTOP but still no dice. Also please note that Ive tried this on several systems already and it seems to run ok (i.e., produce an output video)
BAD LAPTOP :
$ ffmpeg -y -f dshow -framerate 30 -video_size 640x480 -t 10 -i video="HD Pro Webcam C920" out.mp4
ffmpeg version git-2019-11-26-59d264b Copyright (c) 2000-2019 the FFmpeg developers
built with gcc 9.2.1 (GCC) 20191125
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --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-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
libavutil 56. 36.100 / 56. 36.100
libavcodec 58. 62.100 / 58. 62.100
libavformat 58. 35.100 / 58. 35.100
libavdevice 58. 9.101 / 58. 9.101
libavfilter 7. 67.100 / 7. 67.100
libswscale 5. 6.100 / 5. 6.100
libswresample 3. 6.100 / 3. 6.100
libpostproc 55. 6.100 / 55. 6.100
Input #0, dshow, from 'video=HD Pro Webcam C920':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 640x480, 30 fps, 30 tbr, 10000k tbn, 10000k tbc
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
Press [q] to stop, [?] for help
video=HD Pro Webcam C920: I/O error
[libx264 @ 06cb7a00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 06cb7a00] profile High 4:2:2, level 3.0, 4:2:2, 8-bit
[libx264 @ 06cb7a00] 264 - core 158 - H.264/MPEG-4 AVC codec - Copyleft 2003-2019 - 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=12 lookahead_threads=2 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, mp4, to 'out.mp4':
Metadata:
encoder : Lavf58.35.100
Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv422p, 640x480, q=-1--1, 30 fps, 10000k tbn, 30 tbc
Metadata:
encoder : Lavc58.62.100 libx264
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
frame= 0 fps=0.0 q=0.0 Lsize= 0kB time=00:00:00.00 bitrate=N/A speed= 0x
video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknownGOOD LAPTOP :
$ ffmpeg -y -f dshow -framerate 30 -video_size 640x480 -t 10 -i video="Logitech HD Pro Webcam C920" out.mp4
ffmpeg version N-92780-gbb586a9703 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 8.2.1 (GCC) 20181201
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-ico
nv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --en
able-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-lib
soxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx
264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvi
dstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enabl
e-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enab
le-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt
libavutil 56. 25.100 / 56. 25.100
libavcodec 58. 42.104 / 58. 42.104
libavformat 58. 25.100 / 58. 25.100
libavdevice 58. 6.101 / 58. 6.101
libavfilter 7. 46.101 / 7. 46.101
libswscale 5. 4.100 / 5. 4.100
libswresample 3. 4.100 / 3. 4.100
libpostproc 55. 4.100 / 55. 4.100
Input #0, dshow, from 'video=Logitech HD Pro Webcam C920':
Duration: N/A, start: 35609.500000, bitrate: N/A
Stream #0:0: Video: mjpeg (Baseline) (MJPG / 0x47504A4D), yuvj422p(pc, bt470bg/unknown/unknown), 640x480,
30 fps, 30 tbr, 10000k tbn, 10000k tbc
Stream mapping:
Stream #0:0 -> #0:0 (mjpeg (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[libx264 @ 000001ec0b750100] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 000001ec0b750100] profile High 4:2:2, level 3.0, 4:2:2, 8-bit
[libx264 @ 000001ec0b750100] 264 - core 157 r2935 545de2f - 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 ps
y_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=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 con
strained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 k
eyint_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, mp4, to 'out.mp4':
Metadata:
encoder : Lavf58.25.100
Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuvj422p(pc), 640x480, q=-1--1, 30 fps, 10000k tbn
, 30 tbc
Metadata:
encoder : Lavc58.42.104 libx264
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
frame= 62 fps= 31 q=29.0 size= 0kB time=00:00:00.10 bitrate= 3.8kbits/s dup=1 drop=0 speed=0.0495x
frame= 77 fps= 30 q=29.0 size= 0kB time=00:00:00.60 bitrate= 0.6kbits/s dup=1 drop=0 speed=0.237x
frame= 92 fps= 30 q=29.0 size= 0kB time=00:00:01.09 bitrate= 0.3kbits/s dup=1 drop=0 speed=0.363x
frame= 107 fps= 30 q=29.0 size= 0kB time=00:00:01.59 bitrate= 0.2kbits/s dup=1 drop=0 speed=0.453x
frame= 168 fps= 30 q=29.0 size= 256kB time=00:00:03.63 bitrate= 577.3kbits/s dup=1 drop=0 speed=0.654x
frame= 183 fps= 30 q=29.0 size= 256kB time=00:00:04.13 bitrate= 507.5kbits/s dup=1 drop=0 speed=0.683x
frame= 198 fps= 30 q=29.0 size= 256kB time=00:00:04.63 bitrate= 452.7kbits/s dup=1 drop=0 speed=0.706x
frame= 213 fps= 30 q=29.0 size= 512kB time=00:00:05.13 bitrate= 817.1kbits/s dup=1 drop=0 speed=0.727x
frame= 228 fps= 30 q=29.0 size= 512kB time=00:00:05.63 bitrate= 744.6kbits/s dup=1 drop=0 speed=0.744x
frame= 243 fps= 30 q=29.0 size= 512kB time=00:00:06.13 bitrate= 683.9kbits/s dup=1 drop=0 speed=0.759x
frame= 259 fps= 30 q=29.0 size= 512kB time=00:00:06.66 bitrate= 629.2kbits/s dup=1 drop=0 speed=0.777x
frame= 274 fps= 30 q=29.0 size= 512kB time=00:00:07.16 bitrate= 585.3kbits/s dup=1 drop=0 speed=0.789x
frame= 289 fps= 30 q=29.0 size= 512kB time=00:00:07.66 bitrate= 547.1kbits/s dup=1 drop=0 speed=0.799x
frame= 301 fps= 30 q=-1.0 Lsize= 973kB time=00:00:09.93 bitrate= 802.7kbits/s dup=1 drop=0 speed=0.975x
video:969kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.445649%
[libx264 @ 000001ec0b750100] frame I:4 Avg QP:24.23 size: 13237
[libx264 @ 000001ec0b750100] frame P:77 Avg QP:24.67 size: 7807
[libx264 @ 000001ec0b750100] frame B:220 Avg QP:26.09 size: 1534
[libx264 @ 000001ec0b750100] consecutive B-frames: 2.3% 0.7% 0.0% 97.0%
[libx264 @ 000001ec0b750100] mb I I16..4: 19.6% 70.5% 9.9%
[libx264 @ 000001ec0b750100] mb P I16..4: 3.6% 3.3% 0.3% P16..4: 54.9% 11.7% 9.5% 0.0% 0.0% skip:16
.8%
[libx264 @ 000001ec0b750100] mb B I16..4: 0.1% 0.2% 0.0% B16..8: 28.2% 1.1% 0.2% direct: 7.9% skip:62
.2% L0:51.0% L1:45.9% BI: 3.1%
[libx264 @ 000001ec0b750100] 8x8 transform intra:56.1% inter:69.3%
[libx264 @ 000001ec0b750100] coded y,uvDC,uvAC intra: 35.2% 85.0% 30.8% inter: 9.3% 38.8% 1.5%
[libx264 @ 000001ec0b750100] i16 v,h,dc,p: 32% 34% 8% 27%
[libx264 @ 000001ec0b750100] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 33% 18% 28% 2% 3% 5% 3% 5% 3%
[libx264 @ 000001ec0b750100] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 40% 19% 8% 3% 6% 11% 4% 6% 3%
[libx264 @ 000001ec0b750100] i8c dc,h,v,p: 48% 16% 31% 5%
[libx264 @ 000001ec0b750100] Weighted P-Frames: Y:3.9% UV:1.3%
[libx264 @ 000001ec0b750100] ref P L0: 39.0% 6.6% 38.0% 16.3% 0.1%
[libx264 @ 000001ec0b750100] ref B L0: 61.8% 30.3% 7.9%
[libx264 @ 000001ec0b750100] ref B L1: 84.4% 15.6%
[libx264 @ 000001ec0b750100] kb/s:790.62
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