
Recherche avancée
Médias (39)
-
Stereo master soundtrack
17 octobre 2011, par
Mis à jour : Octobre 2011
Langue : English
Type : Audio
-
ED-ME-5 1-DVD
11 octobre 2011, par
Mis à jour : Octobre 2011
Langue : English
Type : Audio
-
1,000,000
27 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
-
Demon Seed
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
-
The Four of Us are Dying
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
-
Corona Radiata
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Audio
Autres articles (65)
-
Personnaliser en ajoutant son logo, sa bannière ou son image de fond
5 septembre 2013, parCertains thèmes prennent en compte trois éléments de personnalisation : l’ajout d’un logo ; l’ajout d’une bannière l’ajout d’une image de fond ;
-
Publier sur MédiaSpip
13 juin 2013Puis-je poster des contenus à partir d’une tablette Ipad ?
Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir -
Ajouter des informations spécifiques aux utilisateurs et autres modifications de comportement liées aux auteurs
12 avril 2011, parLa manière la plus simple d’ajouter des informations aux auteurs est d’installer le plugin Inscription3. Il permet également de modifier certains comportements liés aux utilisateurs (référez-vous à sa documentation pour plus d’informations).
Il est également possible d’ajouter des champs aux auteurs en installant les plugins champs extras 2 et Interface pour champs extras.
Sur d’autres sites (13422)
-
AWS Lambda execution time for FFMPEG transcoding
4 janvier 2023, par FlamingMoeI'm using AWS Lambda for converting files from WEBM to MP4


I'm using ffmpeg version 4.3.1-static https://johnvansickle.com/ffmpeg/ (I have done the following tests also with the ffmpeg in serverless AWS ffmpeg layer (that includes de 4.1.3), but results are even worse (about 25% slower)


I'm using Node 10x as container.


WEBM size Time to convert. Memory Lambda. Memory used (as shown in log)

80Mb ~44s 3008 410
40Mb ~44s 3008 375

80Mb ~70s 1024 321
40Mb ~70s 1024 279



All videos are 80s length. So as far as I can see, it does not matter the size of the WEBM, if the length of the video is the same, it takes the same to convert. So ffmpeg takes more time if the video length is higher, not if the file size is higher ... curious ;-)


But in the other hand, I'm confused with Lambda memory. I know memory and CPU comes together in Lambda ... the more memory you choose, the more CPU is assigned.


But...


- 

- Why ffmpeg just take about 300/400Mb if it has more to run ?
- How can I tell ffmpeg to use more memory ?
- Is there any option to accelerate the process in Lambda ?








Btw, In all tests, all ffmpeg are the same, and


cpu-used paramenter)


- 

- I added to ffmpeg parameters cpu-used=100, and it does not matter at all if I put cpu-used=5 ... times are the same, so I guess that parameter is useless (i don't know why)




threads parameter)


- 

- Also I did some tests with "threads" parameters, but it's useless also.




I know it's not a good comparison, but same files takes about 5 seconds to be converted in a simple dedicated server (8 vCores and 8GB RAM in OVH Centos VPS).


Btw, Amazon Elastic Transcoder is not an option :
a) it's extremely more expensive
b) it has just his profiles to convert, and my ffmpeg commands are very complex (watermarks, effects, etc ...)


-
ffmpeg UDP stream error (subtitles)
9 septembre 2020, par PecaI have HTTP stream which I like to convert to UDP :



http://192.168.1.44:8001/1:0:1:1F8:1B:2C0:E080000:0:0:0:




The Video, Audio and Subtitle work perfectly If I try to open this stream in VLC n Ubuntu.
so far, so good



Here is otput of
FFPROBE



ffprobe -i http://192.168.1.44:8001/1:0:1:1F8:1B:2C0:E080000:0:0:0:
ffprobe version git-2017-01-22-f1214ad Copyright (c) 2007-2017 the FFmpeg developers
 built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.3)
 configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --mandir=/usr/share/man --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libfreetype --enable-gnutls --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvidstab --enable-libwavpack --enable-nvenc
 libavutil 55. 44.100 / 55. 44.100
 libavcodec 57. 75.100 / 57. 75.100
 libavformat 57. 63.100 / 57. 63.100
 libavdevice 57. 2.100 / 57. 2.100
 libavfilter 6. 69.100 / 6. 69.100
 libavresample 3. 2. 0 / 3. 2. 0
 libswscale 4. 3.101 / 4. 3.101
 libswresample 2. 4.100 / 2. 4.100
 libpostproc 54. 2.100 / 54. 2.100
[mpeg2video @ 0xa56fde0] Invalid frame dimensions 0x0.
 Last message repeated 2 times
Input #0, mpegts, from 'ht tp://192.168.1.44:8001/1:0:1:1F8:1B:2C0:E080000:0:0:0:': 
 Duration: N/A, start: 35782.514200, bitrate: N/A 
 Program 501 
 Program 502 
 Program 503 
 Program 504 
 Stream #0:0[0x13b1]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p(tv, top first), 720x576 [SAR 64:45 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc 
 Stream #0:1[0x13b2]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 256 kb/s 
 Stream #0:2[0x1541](srp): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006) 
 Stream #0:3[0x1542](slv): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006) 
 Stream #0:4[0x1543](hrv): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006) 
 Stream #0:5[0x1544](cze): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006) 
 Stream #0:6[0x1545](hun): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006) 
 Stream #0:7[0x1546](ron): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006) 
 Stream #0:8[0x1547](alb): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006) 
 Stream #0:9[0x1548](bul): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006) 
 Stream #0:10[0x13b9](eng): Subtitle: dvb_teletext ([6][0][0][0] / 0x0006) 
 Program 505 
 Program 506
 Program 507
 Program 508
 Program 509
 Program 510
 Program 511
 Program 515
 Program 516
 Program 517
 Program 518
 Program 519
 Program 520
 Program 521
Unsupported codec with id 94215 for input stream 10




So I decide to use FFMPEG to stream to UDP, and filter out unwanted SUB's



Here is FFMPEG cmd



ffmpeg -reconnect 1 -reconnect_at_eof 1 -reconnect_streamed 1 -reconnect_delay_max 2048 \
 -i "http://192.168.1.44:8001/1:0:1:1F8:1B:2C0:E080000:0:0:0:" \
 -map 0:0 -vcodec copy \
 -map 0:1 -acodec copy \
 -map 0:2 -map 0:6 -scodec copy \
 -f mpegts udp://239.0.10.3:40000?pkt_size=1316




And the output is :



Output #0, mpegts, to 'udp://239.0.10.3:40000?pkt_size=1316':
 Metadata:
 encoder : Lavf57.63.100
 Stream #0:0: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p(tv, top first), 720x576 [SAR 64:45 DAR 16:9], q=2-31, 25 fps, 25 tbr, 90k tbn, 90k tbc
 Stream #0:1: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 256 kb/s
 Stream #0:2(srp): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
 Stream #0:3(hun): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
Stream mapping:
 Stream #0:0 -> #0:0 (copy)
 Stream #0:1 -> #0:1 (copy)
 Stream #0:2 -> #0:2 (copy)
 Stream #0:6 -> #0:3 (copy)




And the resulting stream is DISASTER ... audio is choppy, video fall apart etc etc



If I try same thing WITHOUT sub's (map 2 and 6) the video and audio is crystal clear and stream work well



But I need this two sub's.



To narrow down the problem, if I try to capture incoming stream into file :



ffmpeg -reconnect 1 -reconnect_at_eof 1 -reconnect_streamed 1 -reconnect_delay_max 2048 \
-i "http://192.168.1.44:8001/1:0:1:1F8:1B:2C0:E080000:0:0:0:" \
-map 0:0 -map 0:1 -map 0:2 -map 0:6 \
-codec copy \
-y -f mpegts /tmp/tst.ts




The resulting file is playable, sound OK, video OK, subtitles OK.



Looks like problem is with OUTPUT to UDP ???



Any solution for this ?


-
ffmpeg UDP stream error (subtitles)
18 février 2017, par PecaI have HTTP stream which I like to convert to UDP :
http://192.168.1.44:8001/1:0:1:1F8:1B:2C0:E080000:0:0:0:
The Video, Audio and Subtitle work perfectly If I try to open this stream in VLC n Ubuntu.
so far, so goodHere is otput of
FFPROBE
ffprobe -i http://192.168.1.44:8001/1:0:1:1F8:1B:2C0:E080000:0:0:0:
ffprobe version git-2017-01-22-f1214ad Copyright (c) 2007-2017 the FFmpeg developers
built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.3)
configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --mandir=/usr/share/man --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libfreetype --enable-gnutls --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvidstab --enable-libwavpack --enable-nvenc
libavutil 55. 44.100 / 55. 44.100
libavcodec 57. 75.100 / 57. 75.100
libavformat 57. 63.100 / 57. 63.100
libavdevice 57. 2.100 / 57. 2.100
libavfilter 6. 69.100 / 6. 69.100
libavresample 3. 2. 0 / 3. 2. 0
libswscale 4. 3.101 / 4. 3.101
libswresample 2. 4.100 / 2. 4.100
libpostproc 54. 2.100 / 54. 2.100
[mpeg2video @ 0xa56fde0] Invalid frame dimensions 0x0.
Last message repeated 2 times
Input #0, mpegts, from 'ht tp://192.168.1.44:8001/1:0:1:1F8:1B:2C0:E080000:0:0:0:':
Duration: N/A, start: 35782.514200, bitrate: N/A
Program 501
Program 502
Program 503
Program 504
Stream #0:0[0x13b1]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p(tv, top first), 720x576 [SAR 64:45 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
Stream #0:1[0x13b2]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 256 kb/s
Stream #0:2[0x1541](srp): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
Stream #0:3[0x1542](slv): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
Stream #0:4[0x1543](hrv): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
Stream #0:5[0x1544](cze): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
Stream #0:6[0x1545](hun): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
Stream #0:7[0x1546](ron): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
Stream #0:8[0x1547](alb): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
Stream #0:9[0x1548](bul): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
Stream #0:10[0x13b9](eng): Subtitle: dvb_teletext ([6][0][0][0] / 0x0006)
Program 505
Program 506
Program 507
Program 508
Program 509
Program 510
Program 511
Program 515
Program 516
Program 517
Program 518
Program 519
Program 520
Program 521
Unsupported codec with id 94215 for input stream 10So I decide to use FFMPEG to stream to UDP, and filter out unwanted SUB’s
Here is FFMPEG cmd
ffmpeg -reconnect 1 -reconnect_at_eof 1 -reconnect_streamed 1 -reconnect_delay_max 2048 \
-i "http://192.168.1.44:8001/1:0:1:1F8:1B:2C0:E080000:0:0:0:" \
-map 0:0 -vcodec copy \
-map 0:1 -acodec copy \
-map 0:2 -map 0:6 -scodec copy \
-f mpegts udp://239.0.10.3:40000?pkt_size=1316And the output is :
Output #0, mpegts, to 'udp://239.0.10.3:40000?pkt_size=1316':
Metadata:
encoder : Lavf57.63.100
Stream #0:0: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p(tv, top first), 720x576 [SAR 64:45 DAR 16:9], q=2-31, 25 fps, 25 tbr, 90k tbn, 90k tbc
Stream #0:1: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 256 kb/s
Stream #0:2(srp): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
Stream #0:3(hun): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Stream #0:2 -> #0:2 (copy)
Stream #0:6 -> #0:3 (copy)And the resulting stream is DISASTER ... audio is choppy, video fall apart etc etc
If I try same thing WITHOUT sub’s (map 2 and 6) the video and audio is crystal clear and stream work well
But I need this two sub’s.
To narrow down the problem, if I try to capture incoming stream into file :
ffmpeg -reconnect 1 -reconnect_at_eof 1 -reconnect_streamed 1 -reconnect_delay_max 2048 \
-i "http://192.168.1.44:8001/1:0:1:1F8:1B:2C0:E080000:0:0:0:" \
-map 0:0 -map 0:1 -map 0:2 -map 0:6 \
-codec copy \
-y -f mpegts /tmp/tst.tsThe resulting file is playable, sound OK, video OK, subtitles OK.
Looks like problem is with OUTPUT to UDP ???
Any solution for this ?