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Autres articles (73)

Gestion des droits de création et d’édition des objets

8 février 2011, par kent1

Par défaut, beaucoup de fonctionnalités sont limitées aux administrateurs mais restent configurables indépendamment pour modifier leur statut minimal d’utilisation notamment : la rédaction de contenus sur le site modifiables dans la gestion des templates de formulaires ; l’ajout de notes aux articles ; l’ajout de légendes et d’annotations sur les images ;
Supporting all media types

13 avril 2011, par kent1

Unlike 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 (...)
Dépôt de média et thèmes par FTP

31 mai 2013, par etalarma

L’outil MédiaSPIP traite aussi les média transférés par la voie FTP. Si vous préférez déposer par cette voie, récupérez les identifiants d’accès vers votre site MédiaSPIP et utilisez votre client FTP favori.
Vous trouverez dès le départ les dossiers suivants dans votre espace FTP : config/ : dossier de configuration du site IMG/ : dossier des média déjà traités et en ligne sur le site local/ : répertoire cache du site web themes/ : les thèmes ou les feuilles de style personnalisées tmp/ : dossier de travail (...)

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ... | 25

Sur d’autres sites (7291)

Retranslating video stream using ffmpeg

6 mai 2014, par zdimon77
I want to redirect video stream from rtmp to hls format using nginx rtmp-module.

This my nginx config
```
    server {

    exec_options on;

    listen 1936;

    chunk_size 4000;





    application myapp {

     live on;

     exec /usr/bin/avconv -loglevel verbose -re -i rtmp://localhost:1936/myapp/$name -vcodec libx264 -vprofile baseline -acodec libmp3lame -ar 44100 -ac 1 -f flv rtmp://localhost:1935/hls/$name;





}





}



server {



   listen 1935;

    chunk_size 4000;



    application hls {

        live on;

        hls on;

        hls_path /tmp/hls;

    }







}
```
But it doesnt work.
When I try to publish my stream in console (without exec command in nginx.conf)
```
ffmpeg -loglevel debug -re -i rtmp://localhost:1936/myapp/test -vcodec libx264 -vprofile baseline -acodec libmp3lame -ar 44100 -ac 1 -f flv rtmp://localhost:1935/hls/test
```
I see this in console

root@dcv23 :/usr/share/nginx/html# avconv -i rtmp ://localhost:1935/myapp/testname -vcodec copy -an -f flv rtmp ://localhost:1936/hls/testname

avconv version 0.8.10-6:0.8.10-1, Copyright (c) 2000-2013 the Libav developers

built on Feb 5 2014 17:15:30 with gcc 4.7.2

[flv @ 0x98a3800] invalid stream

[flv @ 0x98a3800] Estimating duration from bitrate, this may be inaccurate

Input #0, flv, from ’rtmp ://localhost:1935/myapp/testname’ :

Duration : N/A, start : 448.536000, bitrate : N/A
```
Stream #0.0: Audio: nellymoser, 8000 Hz, mono, s16



Stream #0.1: Video: flv, yuv420p, 800x600, 1k tbr, 1k tbn
```
Output #0, flv, to ’rtmp ://localhost:1936/hls/testname’ :

Metadata :
```
encoder         : Lavf53.21.1



Stream #0.0: Video: flv, yuv420p, 800x600, q=2-31, 1k tbn, 1k tbc
```
Stream mapping :

Stream #0:1 -> #0:0 (copy)

Press ctrl-c to stop encoding

^Cframe= 200 fps= 7 q=-1.0 Lsize= 1031kB time=35.44 bitrate= 238.2kbits/s

And process going but m3u8 files dont create.
Can someone help me please ?
Thank you.

VLC command line : RTSP to mp4 file (video + audio)

8 février 2016, par Dmitriy Gerashenko

Win 7 x64.

When I watch this link in VLC player all is fine :

rtsp ://184.72.239.149/vod/mp4:BigBuckBunny_175k.mov

When I try to capture link to file and to display :

There is video without sound on display.
Created file is not playable.

Command :

vlc.exe -vvv "rtsp://184.72.239.149/vod/mp4:BigBuckBunny_175k.mov" --sout="#transcode{venc=ffmpeg,vcodec=mp4v,vfilter=canvas{width=800,height=600},aenc=ffmpeg{strict=-2},acodec=mp4a}:duplicate{dst=display,dst=standard{access=file,mux=mp4,dst=video.mp4}"

There are some errors in log, for example : MPEG4GenericRTPSource Warning: Unknown or unsupported "mode": AAC-hbr. Is it cause of my problems ? How to solve my issue ?

Complete log (from VLCJ) :

cd C:\Users\gda\Documents\NetBeansProjects\Video; "JAVA_HOME=C:\\Program Files (x86)\\Java\\jdk1.8.0_71" cmd /c "\"\"C:\\Users\\gda\\AppData\\Roaming\\NetBeans\\8.0.2\\maven\\bin\\mvn.bat\" -Dexec.args=\"-classpath %classpath ru.cherezweb.app.video.Video\" -Dexec.executable=\"C:\\Program Files (x86)\\Java\\jdk1.8.0_71\\bin\\java.exe\" -Dmaven.ext.class.path=C:\\Users\\gda\\AppData\\Roaming\\NetBeans\\8.0.2\\maven-nblib\\netbeans-eventspy.jar -Dfile.encoding=UTF-8 process-classes org.codehaus.mojo:exec-maven-plugin:1.2.1:exec\""

Scanning for projects...



------------------------------------------------------------------------

Building Video 1.0-SNAPSHOT

------------------------------------------------------------------------



--- maven-resources-plugin:2.5:resources (default-resources) @ Video ---

[debug] execute contextualize

Using 'UTF-8' encoding to copy filtered resources.

skip non existing resourceDirectory C:\Users\gda\Documents\NetBeansProjects\Video\src\main\resources



--- maven-compiler-plugin:2.3.2:compile (default-compile) @ Video ---

Nothing to compile - all classes are up to date



--- exec-maven-plugin:1.2.1:exec (default-cli) @ Video ---

20:37:29.097 [main] INFO  uk.co.caprica.vlcj.Info - vlcj: 3.10.1

20:37:29.101 [main] INFO  uk.co.caprica.vlcj.Info - java: 1.8.0_71 Oracle Corporation

20:37:29.101 [main] INFO  uk.co.caprica.vlcj.Info - java home: C:\Program Files (x86)\Java\jdk1.8.0_71\jre

20:37:29.101 [main] INFO  uk.co.caprica.vlcj.Info - os: Windows 10 10.0 x86

20:37:29.103 [main] DEBUG u.c.c.vlcj.discovery.NativeDiscovery - discover()

20:37:29.103 [main] DEBUG u.c.c.vlcj.discovery.NativeDiscovery - jnaLibraryPath=null

20:37:29.103 [main] DEBUG u.c.c.vlcj.discovery.NativeDiscovery - discoveryStrategy=uk.co.caprica.vlcj.discovery.linux.DefaultLinuxNativeDiscoveryStrategy@176c05c

20:37:29.104 [main] DEBUG u.c.c.vlcj.discovery.NativeDiscovery - supported=false

20:37:29.104 [main] DEBUG u.c.c.vlcj.discovery.NativeDiscovery - discoveryStrategy=uk.co.caprica.vlcj.discovery.windows.DefaultWindowsNativeDiscoveryStrategy@1eb6432

20:37:29.104 [main] DEBUG u.c.c.vlcj.discovery.NativeDiscovery - supported=true

20:37:29.104 [main] DEBUG u.c.c.v.d.AbstractNativeDiscoveryStrategy - discover()

20:37:29.105 [main] DEBUG u.c.c.v.r.windows.WindowsRuntimeUtil - getVlcInstallDir()

20:37:29.430 [main] DEBUG u.c.c.v.d.AbstractNativeDiscoveryStrategy - directoryNames=[C:\Program Files (x86)\VideoLAN\VLC, C:\Users\gda\Documents\NetBeansProjects\Video, C:\Program Files\Broadcom\Broadcom 802.11 Network Adapter, C:\Program Files (x86)\Intel\iCLS Client\, C:\Program Files\Intel\iCLS Client\, C:\PROGRAMDATA\ORACLE\JAVA\JAVAPATH, C:\Windows\SYSTEM32, C:\Windows, C:\Windows\SYSTEM32\WBEM, C:\Windows\SYSTEM32\WINDOWSPOWERSHELL\V1.0\, C:\PROGRAM FILES\INTEL\INTEL(R) MANAGEMENT ENGINE COMPONENTS\DAL, C:\PROGRAM FILES\INTEL\INTEL(R) MANAGEMENT ENGINE COMPONENTS\IPT, C:\PROGRAM FILES (X86)\INTEL\INTEL(R) MANAGEMENT ENGINE COMPONENTS\DAL, C:\PROGRAM FILES (X86)\INTEL\INTEL(R) MANAGEMENT ENGINE COMPONENTS\IPT, C:\Program Files\Intel\Intel(R) Management Engine Components\DAL, C:\Program Files\Intel\Intel(R) Management Engine Components\IPT, C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL, C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT, C:\Program Files\WIDCOMM\Bluetooth Software\, C:\Program Files\WIDCOMM\Bluetooth Software\syswow64, C:\Program Files\TortoiseSVN\bin, C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common, C:\Program Files\OpenVPN\bin, C:\WINDOWS\system32, C:\WINDOWS, C:\WINDOWS\System32\Wbem, C:\WINDOWS\System32\WindowsPowerShell\v1.0\, C:\Program Files\TortoiseGit\bin, C:\Program Files (x86)\Skype\Phone\]

20:37:29.430 [main] DEBUG u.c.c.v.d.AbstractNativeDiscoveryStrategy - directoryName=C:\Program Files (x86)\VideoLAN\VLC

20:37:29.430 [main] DEBUG u.c.c.v.d.AbstractNativeDiscoveryStrategy - Matched 'libvlc.dll' in 'C:\Program Files (x86)\VideoLAN\VLC'

20:37:29.430 [main] DEBUG u.c.c.v.d.AbstractNativeDiscoveryStrategy - Matched 'libvlccore.dll' in 'C:\Program Files (x86)\VideoLAN\VLC'

20:37:29.430 [main] DEBUG u.c.c.v.d.AbstractNativeDiscoveryStrategy - Matched all required files

20:37:29.430 [main] DEBUG u.c.c.v.d.AbstractNativeDiscoveryStrategy - result=C:\Program Files (x86)\VideoLAN\VLC

20:37:29.430 [main] DEBUG u.c.c.vlcj.discovery.NativeDiscovery - path=C:\Program Files (x86)\VideoLAN\VLC

20:37:29.431 [main] INFO  u.c.c.vlcj.discovery.NativeDiscovery - Discovery found libvlc at 'C:\Program Files (x86)\VideoLAN\VLC'

true

2.2.1 Terry Pratchett (Weatherwax)

20:37:29.490 [main] DEBUG u.c.c.vlcj.player.MediaPlayerFactory - initX=null

20:37:29.494 [main] INFO  u.c.c.vlcj.binding.LibVlcFactory - vlc: 2.2.1 Terry Pratchett (Weatherwax), changeset 2.2.1-0-ga425c42

20:37:29.494 [main] INFO  u.c.c.vlcj.binding.LibVlcFactory - libvlc: C:\Program Files (x86)\VideoLAN\VLC\libvlc.dll

20:37:29.494 [main] DEBUG u.c.c.vlcj.player.MediaPlayerFactory - MediaPlayerFactory(libvlc=Proxy interface to Native Library ,libvlcArgs=[])

20:37:29.494 [main] DEBUG u.c.c.vlcj.player.MediaPlayerFactory - jna.library.path=null

20:37:29.494 [main] DEBUG u.c.c.vlcj.player.MediaPlayerFactory - VLC_PLUGIN_PATH=null

20:37:29.529 [main] DEBUG u.c.c.vlcj.player.MediaPlayerFactory - instance=native@0x1195650 (uk.co.caprica.vlcj.binding.internal.libvlc_instance_t@1195650)

20:37:29.529 [main] DEBUG u.c.c.vlcj.player.MediaPlayerFactory - equalizerAvailable=true

20:37:29.529 [main] DEBUG u.c.c.vlcj.player.MediaPlayerFactory - createEqualizerBandFrequencies()

20:37:29.529 [main] DEBUG u.c.c.vlcj.player.MediaPlayerFactory - numBands=10

20:37:29.530 [main] DEBUG u.c.c.vlcj.player.MediaPlayerFactory - result=[31.25, 62.5, 125.0, 250.0, 500.0, 1000.0, 2000.0, 4000.0, 8000.0, 16000.0]

20:37:29.530 [main] DEBUG u.c.c.vlcj.player.MediaPlayerFactory - createEqualizerPresetNames()

20:37:29.530 [main] DEBUG u.c.c.vlcj.player.MediaPlayerFactory - numPresets=18

20:37:29.530 [main] DEBUG u.c.c.vlcj.player.MediaPlayerFactory - result=[Flat, Classical, Club, Dance, Full bass, Full bass and treble, Full treble, Headphones, Large Hall, Live, Party, Pop, Reggae, Rock, Ska, Soft, Soft rock, Techno]

20:37:29.530 [main] DEBUG u.c.c.vlcj.player.MediaPlayerFactory - newHeadlessMediaPlayer()

20:37:29.538 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - DefaultMediaPlayer(libvlc=Proxy interface to Native Library , instance=native@0x1195650 (uk.co.caprica.vlcj.binding.internal.libvlc_instance_t@1195650))

20:37:29.538 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - createInstance()

20:37:29.543 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - mediaPlayerInstance=native@0x16853ac4 (uk.co.caprica.vlcj.binding.internal.libvlc_media_player_t@16853ac4)

20:37:29.544 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - mediaPlayerEventManager=native@0x16878818 (uk.co.caprica.vlcj.binding.internal.libvlc_event_manager_t@16878818)

20:37:29.544 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - registerEventListener()

20:37:29.546 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerMediaChanged

20:37:29.567 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.567 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerNothingSpecial

20:37:29.567 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.567 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerOpening

20:37:29.567 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.567 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerBuffering

20:37:29.567 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.567 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerPlaying

20:37:29.567 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.567 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerPaused

20:37:29.568 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.568 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerStopped

20:37:29.568 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.568 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerForward

20:37:29.568 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.568 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerBackward

20:37:29.568 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.568 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerEndReached

20:37:29.568 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.569 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerEncounteredError

20:37:29.569 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.569 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerTimeChanged

20:37:29.569 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.569 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerPositionChanged

20:37:29.569 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.569 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerSeekableChanged

20:37:29.569 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.569 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerPausableChanged

20:37:29.569 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.569 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerTitleChanged

20:37:29.569 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.569 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerSnapshotTaken

20:37:29.570 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.570 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerLengthChanged

20:37:29.570 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.570 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerVout

20:37:29.570 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.570 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaPlayerScrambledChanged

20:37:29.570 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.572 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - playMedia(mrl=rtsp://184.72.239.149/vod/mp4:BigBuckBunny_175k.mov,mediaOptions=[:sout=#transcode{venc=ffmpeg,vcodec=mp4v,vfilter=canvas{width=800,height=600},aenc=ffmpeg{strict=-2},acodec=mp4a}:duplicate{dst=display,dst=standard{access=file,mux=mp4,dst=yahoo.m4v}}])

20:37:29.573 [main] DEBUG u.c.c.v.player.MediaResourceLocator - encodeMrl(mrl=rtsp://184.72.239.149/vod/mp4:BigBuckBunny_175k.mov)

20:37:29.573 [main] DEBUG u.c.c.v.player.MediaResourceLocator - MRL does not contain any Unicode characters

20:37:29.573 [main] DEBUG u.c.c.v.player.MediaResourceLocator - result=rtsp://184.72.239.149/vod/mp4:BigBuckBunny_175k.mov

20:37:29.574 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - playMedia(media=SimpleMedia[mrl=rtsp://184.72.239.149/vod/mp4:BigBuckBunny_175k.mov,mediaOptions=[Ljava.lang.String;@17c74e5])

20:37:29.574 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - prepareMedia(media=SimpleMedia[mrl=rtsp://184.72.239.149/vod/mp4:BigBuckBunny_175k.mov,mediaOptions=[Ljava.lang.String;@17c74e5])

20:37:29.574 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - setMedia(media=SimpleMedia[mrl=rtsp://184.72.239.149/vod/mp4:BigBuckBunny_175k.mov,mediaOptions=[Ljava.lang.String;@17c74e5])

20:37:29.574 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - createMediaInstance(media=SimpleMedia[mrl=rtsp://184.72.239.149/vod/mp4:BigBuckBunny_175k.mov,mediaOptions=[Ljava.lang.String;@17c74e5])

20:37:29.574 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - Treating mrl as a location

20:37:29.574 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - mediaInstance=native@0x16876500 (uk.co.caprica.vlcj.binding.internal.libvlc_media_t@16876500)

20:37:29.574 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - mediaOption=:sout=#transcode{venc=ffmpeg,vcodec=mp4v,vfilter=canvas{width=800,height=600},aenc=ffmpeg{strict=-2},acodec=mp4a}:duplicate{dst=display,dst=standard{access=file,mux=mp4,dst=yahoo.m4v}}

20:37:29.575 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - registerMediaEventListener()

20:37:29.575 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaMetaChanged

20:37:29.575 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.575 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaSubItemAdded

20:37:29.575 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.576 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaDurationChanged

20:37:29.576 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.576 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaParsedChanged

20:37:29.576 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.576 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaFreed

20:37:29.576 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.576 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaStateChanged

20:37:29.576 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.576 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - event=libvlc_MediaSubItemTreeAdded

20:37:29.576 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=0

20:37:29.585 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - mrl(mediaInstance=native@0x16876500 (uk.co.caprica.vlcj.binding.internal.libvlc_media_t@16876500))

20:37:29.587 [pool-2-thread-1] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - mediaChanged(mediaPlayer=uk.co.caprica.vlcj.player.headless.DefaultHeadlessMediaPlayer@1727f27,media=native@0x16876500 (uk.co.caprica.vlcj.binding.internal.libvlc_media_t@16876500),mrl=rtsp://184.72.239.149/vod/mp4:BigBuckBunny_175k.mov)

20:37:29.588 [pool-2-thread-1] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - Raising event for new media

20:37:29.588 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - result=true

20:37:29.588 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - play()

20:37:29.593 [main] DEBUG u.c.c.vlcj.player.DefaultMediaPlayer - after play

MPEG4GenericRTPSource Warning: Unknown or unsupported "mode": AAC-hbr

[1682c9cc] core input error: ES_OUT_RESET_PCR called

[16f79744] core decoder error: cannot continue streaming due to errors

[1682c9cc] core input error: ES_OUT_RESET_PCR called

[h264 @ 1702ba80] decode_slice_header error

[h264 @ 1702ba80] decode_slice_header error

[16828134] stream_out_transcode stream out: input interval 41666 (base 2)

[16828134] stream_out_transcode stream out: output interval 41666 (base 1)

Gstreamer AAC encoding no more supported ?

22 juillet 2016, par Gianks

i’d like to include AAC as one of the compatible formats in my app but i’m having troubles with its encoding.
FAAC seems to be missing in GStreamer-1.0 Debian-derived packages (see Ubuntu) and the main reason for that (if i got it correctly) is the presence of avenc_aac (Lunchpad bugreport) as a replacement.

I’ve tried the following :

gst-launch-1.0 filesrc location="src.avi" ! tee name=t  t.! queue ! decodebin ! progressreport ! x264enc ! mux. t.! queue ! decodebin ! audioconvert ! audioresample ! avenc_aac compliance=-2 ! mux. avmux_mpegts name=mux ! filesink location=/tmp/test.avi

It hangs prerolling with :

ERROR libav :0:: AAC bitstream not in ADTS format and extradata missing

Using mpegtsmux instead of avmux_mpegts seems to work since the file is created but it results with no working audio (with some players it’s completely unplayable).

This is the trace of mplayer :

Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders

[aac @ 0x7f2860d6c3c0]channel element 3.15 is not allocated

[aac @ 0x7f2860d6c3c0]Sample rate index in program config element does not match the sample rate index configured by the container.

[aac @ 0x7f2860d6c3c0]Inconsistent channel configuration.

[aac @ 0x7f2860d6c3c0]get_buffer() failed

[aac @ 0x7f2860d6c3c0]Assuming an incorrectly encoded 7.1 channel layout instead of a spec-compliant 7.1(wide) layout, use -strict 1 to decode according to the specification instead.

[aac @ 0x7f2860d6c3c0]Reserved bit set.

[aac @ 0x7f2860d6c3c0]Number of bands (20) exceeds limit (14).

[aac @ 0x7f2860d6c3c0]invalid band type

[aac @ 0x7f2860d6c3c0]More than one AAC RDB per ADTS frame is not implemented. Update your FFmpeg version to the newest one from Git. If the problem still occurs, it means that your file has a feature which has not been implemented.

[aac @ 0x7f2860d6c3c0]Reserved bit set.

[aac @ 0x7f2860d6c3c0]Number of bands (45) exceeds limit (28).

Unknown/missing audio format -> no sound

ADecoder init failed :(

Opening audio decoder: [faad] AAC (MPEG2/4 Advanced Audio Coding)

FAAD: compressed input bitrate missing, assuming 128kbit/s!

AUDIO: 44100 Hz, 2 ch, floatle, 128.0 kbit/9.07% (ratio: 16000->176400)

Selected audio codec: [faad] afm: faad (FAAD AAC (MPEG-2/MPEG-4 Audio))

==========================================================================

AO: [pulse] 44100Hz 2ch floatle (4 bytes per sample)

Starting playback...

FAAD: error: Bitstream value not allowed by specification, trying to resync!

FAAD: error: Invalid number of channels, trying to resync!

FAAD: error: Invalid number of channels, trying to resync!

FAAD: error: Bitstream value not allowed by specification, trying to resync!

FAAD: error: Invalid number of channels, trying to resync!

FAAD: error: Bitstream value not allowed by specification, trying to resync!

FAAD: error: Channel coupling not yet implemented, trying to resync!

FAAD: error: Invalid number of channels, trying to resync!

FAAD: error: Invalid number of channels, trying to resync!

FAAD: error: Bitstream value not allowed by specification, trying to resync!

FAAD: Failed to decode frame: Bitstream value not allowed by specification 

Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.

VO: [vdpau] 640x480 => 640x480 Planar YV12 

A:3602.2 V:3600.0 A-V:  2.143 ct:  0.000   3/  3 ??% ??% ??,?% 0 0 

FAAD: error: Array index out of range, trying to resync!

FAAD: error: Bitstream value not allowed by specification, trying to resync!

FAAD: error: Bitstream value not allowed by specification, trying to resync!

FAAD: error: Unexpected fill element with SBR data, trying to resync!

FAAD: error: Bitstream value not allowed by specification, trying to resync!

FAAD: error: Bitstream value not allowed by specification, trying to resync!

FAAD: error: Channel coupling not yet implemented, trying to resync!

FAAD: error: Invalid number of channels, trying to resync!

FAAD: error: PCE shall be the first element in a frame, trying to resync!

FAAD: error: Invalid number of channels, trying to resync!

FAAD: Failed to decode frame: Invalid number of channels 

A:3602.2 V:3600.1 A-V:  2.063 ct:  0.000   4/  4 ??% ??% ??,?% 0 0

These the messages produced by VLC (10 seconds of playback) :

ts info: MPEG-4 descriptor not found for pid 0x42 type 0xf

core error: option sub-original-fps does not exist

subtitle warning: failed to recognize subtitle type

core error: no suitable demux module for `file/subtitle:///tmp//test.avi.idx'

avcodec info: Using NVIDIA VDPAU Driver Shared Library 361.42 Tue Mar 22 17:29:16 PDT 2016 for hardware decoding.

core warning: VoutDisplayEvent 'pictures invalid'

core warning: VoutDisplayEvent 'pictures invalid'

packetizer_mpeg4audio warning: Invalid ADTS header

packetizer_mpeg4audio warning: ADTS CRC not supported

packetizer_mpeg4audio warning: Invalid ADTS header

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio warning: Invalid ADTS header

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio warning: ADTS CRC not supported

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio warning: Invalid ADTS header

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio warning: Invalid ADTS header

packetizer_mpeg4audio warning: Invalid ADTS header

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio warning: Invalid ADTS header

packetizer_mpeg4audio warning: Invalid ADTS header

packetizer_mpeg4audio warning: Invalid ADTS header

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio warning: Invalid ADTS header

packetizer_mpeg4audio warning: Invalid ADTS header

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio warning: Invalid ADTS header

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio warning: Invalid ADTS header

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

packetizer_mpeg4audio error: Multiple blocks per frame in ADTS not supported

Using the error of the hanging pipeline I’ve finally discovered that avenc_aac should be told in such way to output the data NOT in RAW AAC but in ADTS AAC, the point is that i’ve no idea how to do that with Gstreamer. See here, bottom of the page : FFMPEG Ticket

At this point since i’ve found no documentation seems right to say we have no support for AAC encoding in GStreamer... which isn’t true, i guess ! (IMHO anyway seems strange the missing of FAAC if AVENC_AAC requires all the time to be set in experimental mode)

Can someone propose a working pipeline for this ?

UPDATE

After some more research i’ve found (via gst-inspect on avenc_aac) what i’m probably looking for but i don’t know how to setup it as needed.
Have a look at stream-format :

Pad Templates:

  SRC template: 'src'

    Availability: Always

    Capabilities:

      audio/mpeg

               channels: [ 1, 6 ]

                   rate: [ 4000, 96000 ]

            mpegversion: 4

          stream-format: raw

        base-profile: lc

Thanks

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