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Médias (2)
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Exemple de boutons d’action pour une collection collaborative
27 février 2013, par
Mis à jour : Mars 2013
Langue : français
Type : Image
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Exemple de boutons d’action pour une collection personnelle
27 février 2013, par
Mis à jour : Février 2013
Langue : English
Type : Image
Autres articles (69)
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Participer à sa documentation
10 avril 2011La documentation est un des travaux les plus importants et les plus contraignants lors de la réalisation d’un outil technique.
Tout apport extérieur à ce sujet est primordial : la critique de l’existant ; la participation à la rédaction d’articles orientés : utilisateur (administrateur de MediaSPIP ou simplement producteur de contenu) ; développeur ; la création de screencasts d’explication ; la traduction de la documentation dans une nouvelle langue ;
Pour ce faire, vous pouvez vous inscrire sur (...) -
Modifier la date de publication
21 juin 2013, parComment changer la date de publication d’un média ?
Il faut au préalable rajouter un champ "Date de publication" dans le masque de formulaire adéquat :
Administrer > Configuration des masques de formulaires > Sélectionner "Un média"
Dans la rubrique "Champs à ajouter, cocher "Date de publication "
Cliquer en bas de la page sur Enregistrer -
L’agrémenter visuellement
10 avril 2011MediaSPIP est basé sur un système de thèmes et de squelettes. Les squelettes définissent le placement des informations dans la page, définissant un usage spécifique de la plateforme, et les thèmes l’habillage graphique général.
Chacun peut proposer un nouveau thème graphique ou un squelette et le mettre à disposition de la communauté.
Sur d’autres sites (6689)
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Merge two MP3 files and maintain high bitrate and original properties of MP3s
19 juillet 2019, par sigur7I have two MP3 files that were created from the same source, with different audio within them. Here are the properties from
ffprobe
Duration: 00:00:08.86, bitrate: 384 kb/s
Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 24000 Hz, 1 channels, s16, 384 kb/sNOTE : Even though the file is an MP3 it shows as pcm_s16le
When I try and join the two files together using
ffmpeg -i download.mp3 -i download1.mp3 -filter_complex [0:a:0][1:a:0]concat=n=2:v=0:a=1[outa] -map [outa] joineddownloads.mp3
I get the following result and a big drop in bitrate(quality)
Duration: 00:00:10.42, start: 0.046042, bitrate: 32 kb/s
Stream #0:0: Audio: mp3, 24000 Hz, mono, fltp, 32 kb/sHow can I maintain the high 320kbs bitrate and all the other properties that were present before I created the joined file ?
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ffmpeg send video to ffserver without reencode, CPU usage still very high.How ?
3 septembre 2019, par Wayne ChenI’m using ffmpeg to send H.264 video to ffserver. Command looks like this :
ffmpeg -re -stream_loop -1 -i test.mp4 -c copy http://localhost:8090/feed1.ffm
I thought with
-c copy
option, the CPU usage of ffmpeg should be very low, but it actually used 99% of CPU.Please help cutdown the usage of CPU.
Thanks----------------------
ffserver.conf :
<feed>
File /tmp/feed1.ffm
FileMaxSize 5M
ACL allow 127.0.0.1
ACL allow 192.168.1.250
</feed>
<stream>
Feed feed1.ffm
Format rtp
VideoCodec libx264
VideoFrameRate 25
VideoBufferSize 80000
VideoSize 1920x1080
PreRoll 15
NoDefaults
NoAudio
</stream>ffserver log:
ffserver -d -f /etc/ffserver.conf
ffserver version 3.3.9 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.11) 20160609
configuration: --enable-gpl --enable-nonfree --enable-pthreads --enable-libmp3lame --enable-libtheora --enable-libx264 --enable-version3 --enable-ffplay --enable-ffserver --enable-shared
libavutil 55. 58.100 / 55. 58.100
libavcodec 57. 89.100 / 57. 89.100
libavformat 57. 71.100 / 57. 71.100
libavdevice 57. 6.100 / 57. 6.100
libavfilter 6. 82.100 / 6. 82.100
libswscale 4. 6.100 / 4. 6.100
libswresample 2. 7.100 / 2. 7.100
libpostproc 54. 5.100 / 54. 5.100
Tue Sep 3 09:45:38 2019 Codecs do not match for stream 0
Tue Sep 3 09:45:38 2019 [ffm @ 0x1072d80]Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
Tue Sep 3 09:45:38 2019 Codecs do not match for stream 0
Tue Sep 3 09:45:38 2019 [ffm @ 0x10695e0]Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
Tue Sep 3 09:45:38 2019 FFserver started.
Tue Sep 3 09:45:39 2019 192.168.1.240 - - [] " " 200 0
Tue Sep 3 09:45:39 2019 192.168.1.240 - - [] " " 200 0
Tue Sep 3 09:45:39 2019 192.168.1.240:0 - - "PLAY test2-rtsp/streamid=0 RTP/TCP"
Tue Sep 3 09:45:39 2019 192.168.1.240:0 - - "PLAY test1-rtsp/streamid=0 RTP/TCP"
Tue Sep 3 09:45:39 2019 192.168.1.240:0 - - "PLAY test2-rtsp/streamid=0 RTP/TCP"
Tue Sep 3 09:45:39 2019 192.168.1.240:0 - - "PLAY test1-rtsp/streamid=0 RTP/TCP"FFmpeg log:
wayne@ubuntu:~$ ffmpeg -re -stream_loop -1 -i test_main.mp4 -c copy http://localhost:8090/feed1.ffm & ffmpeg -re -stream_loop -1 -i test_minor.mp4
4 -c copy http://localsudffmpeg -re -stream_loop -1 -i test_main.mp4 -c copy http://localhost:8090/feed1.ffm & ffmpm
ffmpeg version 3.3.9 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.11) 20160609
configuration: --enable-gpl --enable-nonfree --enable-pthreads --enable-libmp3lame --enable-libtheora --enable-libx264 --enable-version3 --enable-ffplay --enable-ffserver --enable-shared
libavutil 55. 58.100 / 55. 58.100
libavcodec 57. 89.100 / 57. 89.100
libavformat 57. 71.100 / 57. 71.100
libavdevice 57. 6.100 / 57. 6.100
libavfilter 6. 82.100 / 6. 82.100
libswscale 4. 6.100 / 4. 6.100
libswresample 2. 7.100 / 2. 7.100
libpostproc 54. 5.100 / 54. 5.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test_main.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf56.40.101
Duration: 00:00:51.60, start: 0.000000, bitrate: 987 kb/s
Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 985 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
Metadata:
handler_name : VideoHandler
[tcp @ 0x19ca600] Connection to tcp://localhost:8090 failed (Connection refused), trying next address
[tcp @ 0x19d58a0] Connection to tcp://localhost:8090 failed (Connection refused), trying next address
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[libx264 @ 0x19d67c0] VBV bufsize set but maxrate unspecified, ignored
[libx264 @ 0x19d67c0] using SAR=1/1
[libx264 @ 0x19d67c0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x19d67c0] profile Progressive High, level 4.0, 4:2:0, 8-bit
Output #0, ffm, to 'http://localhost:8090/feed1.ffm':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
creation_time : now
encoder : Lavf57.71.100
Stream #0:0(eng): Video: h264 (libx264), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=-1--1, 25 fps, 1000k tbn, 25 tbc (default)
Metadata:
handler_name : VideoHandler
encoder : Lavc57.89.100 libx264
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 655360000 vbv_delay: -1
frame= 13 fps=0.0 q=0.0 size= 4kB time=00:00:00.00 bitrate=N/A speed= 0x
frame= 26 fps= 26 q=0.0 size= 4kB time=00:00:00.00 bitrate=N/A speed= 0x
frame= 38 fps= 25 q=0.0 size= 4kB time=00:00:00.00 bitrate=N/A speed= 0x
frame= 43 fps= 18 q=28.0 size= 4kB time=-00:00:00.03 bitrate=N/A speed=N/A
frame= 55 fps= 19 q=28.0 size= 16kB time=00:00:00.44 bitrate= 297.9kbits/s speed=0.151x
frame= 59 fps= 17 q=28.0 size= 44kB time=00:00:00.60 bitrate= 600.7kbits/s speed=0.171x -
ffmpeg convert from H.264 (High 4:4:4 Profile) to H.264 (Main Profile)
15 novembre 2019, par MiladHow can I convert a video from H.264 (High 4:4:4 Profile) to H.264 (Main Profile) using ffmpeg ?
I can’t do that with this command :
ffmpeg -i 1/25359.mp4 -profile:v main out.mp4
.That’d return an error :
...
That'd return an error:
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '1/25359.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf56.40.101
Duration: 00:00:06.08, start: 0.000000, bitrate: 1059 kb/s
Stream #0:0(und): Video: h264 (High 4:4:4 Predictive) (avc1 / 0x31637661), yuv444p, 351x297, 1057 kb/s, 12.50 fps, 12.50 tbr, 12800 tbn, 25 tbc (default)
Metadata:
handler_name : VideoHandler
No pixel format specified, yuv444p for H.264 encoding chosen.
Use -pix_fmt yuv420p for compatibility with outdated media players.
x264 [error]: main profile doesn't support 4:4:4
[libx264 @ 0x8fa9640] Error setting profile main.
[libx264 @ 0x8fa9640] Possible profiles: baseline main high high10 high422 high444
Output #0, mp4, to '1/24545.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf56.40.101
Stream #0:0(und): Video: h264, none, q=2-31, 128 kb/s, 12.50 fps (default)
Metadata:
handler_name : VideoHandler
encoder : Lavc56.60.100 libx264
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height