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Autres articles (70)
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HTML5 audio and video support
13 avril 2011, parMediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
For older browsers the Flowplayer flash fallback is used.
MediaSPIP allows for media playback on major mobile platforms with the above (...) -
Support audio et vidéo HTML5
10 avril 2011MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...) -
Librairies et binaires spécifiques au traitement vidéo et sonore
31 janvier 2010, parLes logiciels et librairies suivantes sont utilisées par SPIPmotion d’une manière ou d’une autre.
Binaires obligatoires FFMpeg : encodeur principal, permet de transcoder presque tous les types de fichiers vidéo et sonores dans les formats lisibles sur Internet. CF ce tutoriel pour son installation ; Oggz-tools : outils d’inspection de fichiers ogg ; Mediainfo : récupération d’informations depuis la plupart des formats vidéos et sonores ;
Binaires complémentaires et facultatifs flvtool2 : (...)
Sur d’autres sites (4709)
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avformat/mpegts : add scan_all_pmts option
4 novembre 2014, par Michael Niedermayeravformat/mpegts : add scan_all_pmts option
This allows selecting if the demuxer should consider all streams to be
found after the first PMT and add further streams during decoding or if it rather
should scan all that are within the analyze-duration and other limitsFixes Ticket3762
Signed-off-by : Michael Niedermayer <michaelni@gmx.at>
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ffmpeg - merge mp3 and mp4 (duration difference)
8 décembre 2017, par dfionovI’m trying to merge mp4 and mp3 files with ffmpeg.
mp4 duration - 9.800 sec, mp3 - 58.540 sec. So i using -shortest key.
Code :ffmpeg -i video.mp4 -i audio.mp3 -c:v libx264 -c:a aac -strict experimental -shortest output.mp4After that i got output.mp4 with duration 9.846. Where is my error ? Why output video longer than source ? (9.846 sec and 9.800 sec).
Source mp4 MediaInfo :
General
Complete name : F:\video test\video.mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : iso5 (iso5/dash)
File size : 3.19 MiB
Duration : 9 s 800 ms
Overall bit rate : 2 732 kb/s
Encoded date : UTC 2017-11-24 20:53:53
Tagged date : UTC 2017-11-24 20:53:53
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L3.1
Format settings : CABAC / 4 Ref Frames
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 9 s 800 ms
Bit rate : 2 729 kb/s
Maximum bit rate : 3 766 kb/s
Width : 1 280 pixels
Height : 720 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 25.000 FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.118
Stream size : 3.19 MiB (100%)
Writing library : x264 core 146
Encoding settings : 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
Tagged date : UTC 2017-11-24 20:53:53Source mp3 Mediainfo :
General
Complete name : F:\video test\audio.mp3
Format : MPEG Audio
File size : 1.19 MiB
Duration : 58 s 540 ms
Overall bit rate mode : Variable
Overall bit rate : 170 kb/s
Writing library : LAME3.99r
Audio
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 3
Format settings : Joint stereo / MS Stereo
Duration : 58 s 540 ms
Bit rate mode : Variable
Bit rate : 170 kb/s
Minimum bit rate : 32.0 kb/s
Channel(s) : 2 channels
Sampling rate : 44.1 kHz
Frame rate : 38.281 FPS (1152 SPF)
Compression mode : Lossy
Stream size : 1.19 MiB (100%)
Writing library : LAME3.99r
Encoding settings : -m j -V 2 -q 0 -lowpass 18.5 --vbr-new -b 32Console output :
ffmpeg version 3.4 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-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-cuda --enable-cuvid --enable-d3d11va --enable-nvenc --enable-dxva2 --enable-avisynth --enable-libmfx
libavutil 55. 78.100 / 55. 78.100
libavcodec 57.107.100 / 57.107.100
libavformat 57. 83.100 / 57. 83.100
libavdevice 57. 10.100 / 57. 10.100
libavfilter 6.107.100 / 6.107.100
libswscale 4. 8.100 / 4. 8.100
libswresample 2. 9.100 / 2. 9.100
libpostproc 54. 7.100 / 54. 7.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'video.mp4':
Metadata:
major_brand : iso5
minor_version : 1
compatible_brands: iso5dash
creation_time : 2017-11-24T20:53:53.000000Z
Duration: 00:00:09.80, start: 0.000000, bitrate: 2732 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 2259 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
Metadata:
handler_name : VideoHandler
Input #1, mp3, from 'audio.mp3':
Duration: 00:00:58.54, start: 0.025057, bitrate: 170 kb/s
Stream #1:0: Audio: mp3, 44100 Hz, stereo, s16p, 170 kb/s
Metadata:
encoder : LAME3.99r
Side data:
replaygain: track gain - -2.200000, track peak - unknown, album gain - unknown, album peak - unknown,
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Stream #1:0 -> #0:1 (mp3 (native) -> aac (native))
Press [q] to stop, [?] for help
[libx264 @ 00000000005ab440] using SAR=1/1
[libx264 @ 00000000005ab440] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
[libx264 @ 00000000005ab440] profile High, level 3.1
[libx264 @ 00000000005ab440] 264 - core 152 r2851 ba24899 - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - 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, mp4, to 'output.mp4':
Metadata:
major_brand : iso5
minor_version : 1
compatible_brands: iso5dash
encoder : Lavf57.83.100
Stream #0:0(und): Video: h264 (libx264) (avc1 / 0x31637661), yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], q=-1--1, 25 fps, 12800 tbn, 25 tbc (default)
Metadata:
handler_name : VideoHandler
encoder : Lavc57.107.100 libx264
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s
Metadata:
encoder : Lavc57.107.100 aac
Side data:
replaygain: track gain - -2.200000, track peak - unknown, album gain - unknown, album peak - unknown,
frame= 54 fps=0.0 q=28.0 size= 0kB time=00:00:00.04 bitrate= 8.3kbits/s speed=0.0927x
frame= 80 fps= 80 q=28.0 size= 0kB time=00:00:01.09 bitrate= 0.4kbits/s speed=1.09x
frame= 98 fps= 65 q=28.0 size= 256kB time=00:00:01.83 bitrate=1143.5kbits/s speed=1.21x
frame= 119 fps= 59 q=28.0 size= 512kB time=00:00:02.67 bitrate=1570.9kbits/s speed=1.32x
frame= 144 fps= 56 q=28.0 size= 768kB time=00:00:03.66 bitrate=1715.0kbits/s speed=1.42x
frame= 167 fps= 52 q=28.0 size= 1024kB time=00:00:04.57 bitrate=1833.9kbits/s speed=1.44x
frame= 190 fps= 51 q=28.0 size= 1280kB time=00:00:05.50 bitrate=1905.5kbits/s speed=1.47x
frame= 218 fps= 51 q=28.0 size= 1792kB time=00:00:06.64 bitrate=2210.6kbits/s speed=1.56x
frame= 242 fps= 50 q=28.0 size= 2048kB time=00:00:07.56 bitrate=2216.4kbits/s speed=1.58x
frame= 245 fps= 41 q=-1.0 Lsize= 3045kB time=00:00:09.82 bitrate=2539.6kbits/s speed=1.65x
video:2880kB audio:156kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.298058%
[libx264 @ 00000000005ab440] frame I:14 Avg QP:20.01 size: 39750
[libx264 @ 00000000005ab440] frame P:106 Avg QP:23.85 size: 14578
[libx264 @ 00000000005ab440] frame B:125 Avg QP:24.63 size: 6770
[libx264 @ 00000000005ab440] consecutive B-frames: 22.9% 22.0% 15.9% 39.2%
[libx264 @ 00000000005ab440] mb I I16..4: 16.7% 80.3% 3.0%
[libx264 @ 00000000005ab440] mb P I16..4: 10.2% 36.2% 1.1% P16..4: 25.0% 7.9% 2.5% 0.0% 0.0% skip:17.1%
[libx264 @ 00000000005ab440] mb B I16..4: 2.3% 5.8% 0.2% B16..8: 31.4% 6.5% 0.9% direct: 3.7% skip:49.2% L0:51.8% L1:44.5% BI: 3.7%
[libx264 @ 00000000005ab440] 8x8 transform intra:76.1% inter:86.3%
[libx264 @ 00000000005ab440] coded y,uvDC,uvAC intra: 38.3% 52.1% 9.0% inter: 12.3% 20.1% 0.2%
[libx264 @ 00000000005ab440] i16 v,h,dc,p: 30% 28% 9% 33%
[libx264 @ 00000000005ab440] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 36% 23% 19% 3% 3% 4% 4% 4% 4%
[libx264 @ 00000000005ab440] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 33% 21% 14% 5% 7% 7% 6% 5% 3%
[libx264 @ 00000000005ab440] i8c dc,h,v,p: 45% 24% 25% 6%
[libx264 @ 00000000005ab440] Weighted P-Frames: Y:13.2% UV:6.6%
[libx264 @ 00000000005ab440] ref P L0: 71.7% 12.5% 12.9% 2.7% 0.2%
[libx264 @ 00000000005ab440] ref B L0: 92.8% 6.3% 0.9%
[libx264 @ 00000000005ab440] ref B L1: 98.3% 1.7%
[libx264 @ 00000000005ab440] kb/s:2406.56
[aac @ 00000000005adde0] Qavg: 511.420ffprobe -show_packets output too big, so I loaded to pastebin
https://pastebin.com/TYSMdceS -
Codec issue ? Mp4 video flashing during play via JW Player (and same issue with mac computer)
19 décembre 2017, par janosdupaiI have a linux based server online. It has Mp4 videos. I try to play these video with JW Player. I had any problems with them, but some files has the following problem : https://www.video.match-meeting.com/drive/5a350a6700bc4.mp4
If I download this file to a windows computer, it plays without problem. Is that a codec problem with my server (and on my mac) ?
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