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  • Les formats acceptés

    28 janvier 2010, par

    Les 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 (...)

  • List of compatible distributions

    26 avril 2011, par

    The table below is the list of Linux distributions compatible with the automated installation script of MediaSPIP. Distribution nameVersion nameVersion number Debian Squeeze 6.x.x Debian Weezy 7.x.x Debian Jessie 8.x.x Ubuntu The Precise Pangolin 12.04 LTS Ubuntu The Trusty Tahr 14.04
    If you want to help us improve this list, you can provide us access to a machine whose distribution is not mentioned above or send the necessary fixes to add (...)

Sur d’autres sites (3719)

  • 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)

  • close the running application in vb.net from background

    22 janvier 2016, par TOM

    i want to stop the running (ffmpeg) process from background . i use the

      process.kill()  

    i wrote the code . but in this process the output file is getting corrupted.

    Dim pProcess() As Process = Process.GetProcesses
    
  For Each p As Process In pProcess
    
   If p.ProcessName = "ffmpeg" Then
    
    p.WaitForExit(1000)
    
    p.Kill()      
    
    p.Close()
    
  End If
    
Next

    is there any other method to terminate the process without file being corrupt

    thanks

  • ffmpeg video conversion from webm to mp4 is adding lag to the video

    21 janvier 2016, par Hemant Kumar

    Hi I am trying to convert video from .webm extension to .mp4 extension and it is adding lags to the video, also not showing me the full video.

    I am using following video conversion command.

    "ffmpeg -i {$input} -strict -2 -vcodec libx264 -preset slow -vb 500k -maxrate 500k -bufsize 1000k -vf 'scale=-1:480 ".fix_video_orientation($input)."' -threads 0 -ab 64k -s {$resolution}  -movflags faststart -metadata:s:v:0 rotate=0 {$output}";

    "fix_video_orientation" function is given below. It rotate the resulting video if video while recording is rotated to certain angle.

    function fix_video_orientation($input){
    

    
$return= ", transpose=1 ";
    

    
$dd= exec("ffprobe -of json -show_streams  {$input}   | grep rotate");
    

    
if(!empty($dd)){
    

    
$dd=explode(":",$dd);
    
$rotate=str_replace(",","",str_replace('"',"",$dd[1]));
    

    
if($rotate=="90")return $return;
    

    
else if ($rotate=="180") return ", transpose=2,transpose=2 ";
    

    
else if($rotate == "270") return ", transpose=2 ";
    
}

    Currently above script is supporting "flv","avi","mp4","mkv","mpg","wmv","asf","webm","mov","3gp","3gpp" extensions, also the script is supporting the resulting .mp4 file to play on all browsers and devices.

    For query :

    ffmpeg -i <server path="path">/g9zyy2qg54qp1l5spo2-mergedFile.webm -strict -2 -vcodec libx264 -preset slow -vb 500k -maxrate 500k -bufsize 1000k -vf 'scale=-1:480 ' -threads 0 -ab 64k -s 640x480 -movflags faststart -metadata:s:v:0 rotate=0 <server path="path">/g9zyy2qg54qp1l5spo2-mergedFile5.mp4
    
</server></server>

    Console output :

    ffmpeg version 2.2.5 Copyright (c) 2000-2014 the FFmpeg developers
    
  built on Aug  1 2014 09:24:02 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
    
  configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-libtheora --enable-libx264 --enable-libvpx --enable-libmp3lame
    
  libavutil      52. 66.100 / 52. 66.100
    
  libavcodec     55. 52.102 / 55. 52.102
    
  libavformat    55. 33.100 / 55. 33.100
    
  libavdevice    55. 10.100 / 55. 10.100
    
  libavfilter     4.  2.100 /  4.  2.100
    
  libswscale      2.  5.102 /  2.  5.102
    
  libswresample   0. 18.100 /  0. 18.100
    
  libpostproc    52.  3.100 / 52.  3.100
    
Input #0, matroska,webm, from '<server path="path">/g9zyy2qg54qp1l5spo2-mergedFile.webm':
    
  Metadata:
    
    encoder         : Lavf55.33.100
    
  Duration: 00:00:13.53, start: 0.000000, bitrate: 387 kb/s
    
    Stream #0:0: Audio: vorbis, 44100 Hz, stereo, fltp
    
    Stream #0:1: Video: vp8, yuv420p, 320x240, SAR 1:1 DAR 4:3, 1k fps, 1k tbr, 1k tbn, 1k tbc (default)
    
[libx264 @ 0x38fcf40] using SAR=1/1
    
[libx264 @ 0x38fcf40] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
    
[libx264 @ 0x38fcf40] profile High, level 5.2
    
[libx264 @ 0x38fcf40] 264 - core 142 r2453 ea0ca51 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1 ref=5 deblock=1:0:0 analyse=0x3:0x113 me=umh subme=8 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=24 lookahead_threads=3 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=cbr mbtree=1 bitrate=500 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=500 vbv_bufsize=1000 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
    
Output #0, mp4, to '<server path="path">/g9zyy2qg54qp1l5spo2-mergedFile5.mp4':
    
  Metadata:
    
    encoder         : Lavf55.33.100
    
    Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 640x480 [SAR 1:1 DAR 4:3], q=-1--1, 500 kb/s, 16k tbn, 1k tbc (default)
    
    Metadata:
    
      rotate          : 0
    
    Stream #0:1: Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, stereo, fltp, 64 kb/s
    
Stream mapping:
    
  Stream #0:1 -> #0:0 (vp8 -> libx264)
    
  Stream #0:0 -> #0:1 (vorbis -> aac)
    
Press [q] to stop, [?] for help
    
frame=  358 fps=0.0 q=39.0 size=      27kB time=00:00:00.74 bitrate= 295.4kbits/frame=  723 fps=691 q=41.0 size=      57kB time=00:00:01.39 bitrate= 335.1kbits/frame= 1410 fps=706 q=45.0 size=     108kB time=00:00:01.74 bitrate= 509.0kbits/frame= 1777 fps=710 q=45.0 size=     134kB time=00:00:02.13 bitrate= 512.7kbits/frame= 2126 fps=707 q=45.0 size=     164kB time=00:00:02.50 bitrate= 535.0kbits/frame= 2497 fps=710 q=45.0 size=     191kB time=00:00:02.85 bitrate= 547.8kbits/frame= 2869 fps=708 q=45.0 size=     225kB time=00:00:03.20 bitrate= 575.7kbits/frame= 3226 fps=707 q=45.0 size=     250kB time=00:00:03.59 bitrate= 568.2kbits/frame= 3586 fps=709 q=46.0 size=     282kB time=00:00:03.94 bitrate= 585.7kbits/frame= 3956 fps=710 q=45.0 size=     305kB time=00:00:04.59 bitrate= 543.8kbits/frame= 4358 fps=710 q=46.0 size=     340kB time=00:00:04.71 bitrate= 591.1kbits/frame= 4751 fps=712 q=45.0 size=     362kB time=00:00:05.10 bitrate= 581.3kbits/frame= 5133 fps=713 q=45.0 size=     393kB time=00:00:05.50 bitrate= 584.9kbits/frame= 5510 fps=715 q=45.0 size=     416kB time=00:00:05.89 bitrate= 578.5kbits/frame= 5880 fps=715 q=45.0 size=     448kB time=00:00:06.24 bitrate= 587.6kbits/frame= 6250 fps=715 q=45.0 size=     472kB time=00:00:06.64 bitrate= 582.3kbits/frame= 6651 fps=715 q=45.0 size=     501kB time=00:00:06.98 bitrate= 587.1kbits/frame= 7012 fps=713 q=50.0 size=     524kB time=00:00:07.68 bitrate= 559.0kbits/frame= 7396 fps=714 q=45.0 size=     551kB time=00:00:07.75 bitrate= 582.5kbits/frame= 7771 fps=714 q=47.0 size=     575kB time=00:00:08.10 bitrate= 581.1kbits/frame= 8139 fps=714 q=50.0 size=     604kB time=00:00:08.52 bitrate= 580.8kbits/frame= 8509 fps=715 q=46.0 size=     628kB time=00:00:08.87 bitrate= 580.4kbits/frame= 8885 fps=715 q=46.0 size=     655kB time=00:00:09.19 bitrate= 583.1kbits/frame= 9233 fps=714 q=46.0 size=     677kB time=00:00:09.54 bitrate= 581.2kbits/frame= 9603 fps=714 q=46.0 size=     706kB time=00:00:09.96 bitrate= 580.6kbits/frame= 9975 fps=714 q=46.0 size=     728kB time=00:00:10.65 bitrate= 559.8kbits/frame=10376 fps=715 q=46.0 size=     757kB time=00:00:10.75 bitrate= 577.0kbits/frame=10730 fps=714 q=46.0 size=     780kB time=00:00:11.07 bitrate= 577.1kbits/frame=11090 fps=713 q=47.0 size=     808kB time=00:00:11.42 bitrate= 579.7kbits/frame=11447 fps=713 q=46.0 size=     832kB time=00:00:11.79 bitrate= 578.0kbits/frame=11802 fps=712 q=48.0 size=     858kB time=00:00:12.14 bitrate= 578.5kbits/frame=12181 fps=713 q=46.0 size=     880kB time=00:00:12.51 bitrate= 576.3kbits/frame=12563 fps=713 q=46.0 size=     908kB time=00:00:12.95 bitrate= 573.9kbits/frame=13527 fps=715 q=46.0 size=     960kB time=-577014:-32:-22.-77 bitrate=N/A [mp4 @ 0x3912e00] Starting second pass: moving the moov atom to the beginning of the file
    
frame=13527 fps=713 q=-1.0 Lsize=    1139kB time=00:00:13.52 bitrate= 689.8kbits/s dup=13036 drop=0    
    
video:863kB audio:107kB subtitle:0 data:0 global headers:0kB muxing overhead 17.479137%
    
[libx264 @ 0x38fcf40] frame I:55    Avg QP:33.13  size:  6072
    
[libx264 @ 0x38fcf40] frame P:3409  Avg QP:32.90  size:    95
    
[libx264 @ 0x38fcf40] frame B:10063 Avg QP:39.74  size:    22
    
[libx264 @ 0x38fcf40] consecutive B-frames:  0.8%  0.0%  0.0% 99.2%
    
[libx264 @ 0x38fcf40] mb I  I16..4: 25.7% 69.5%  4.8%
    
[libx264 @ 0x38fcf40] mb P  I16..4:  0.2%  0.2%  0.0%  P16..4:  1.4%  0.1%  0.4%  0.0%  0.0%    skip:97.7%
    
[libx264 @ 0x38fcf40] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.3%  0.0%  0.0%  direct: 0.0%  skip:99.7%  L0:41.0% L1:58.9% BI: 0.0%
    
[libx264 @ 0x38fcf40] 8x8 transform intra:67.9% inter:94.6%
    
[libx264 @ 0x38fcf40] direct mvs  spatial:86.6% temporal:13.4%
    
[libx264 @ 0x38fcf40] coded y,uvDC,uvAC intra: 36.1% 36.9% 1.7% inter: 0.1% 0.1% 0.0%
    
[libx264 @ 0x38fcf40] i16 v,h,dc,p: 32% 27%  9% 31%
    
[libx264 @ 0x38fcf40] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 21% 13% 18%  7%  7%  8%  8%  9%  8%
    
[libx264 @ 0x38fcf40] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 28% 16%  7%  7%  9% 10%  9%  7%  8%
    
[libx264 @ 0x38fcf40] i8c dc,h,v,p: 73% 14%  9%  4%
    
[libx264 @ 0x38fcf40] Weighted P-Frames: Y:0.6% UV:0.0%
    
[libx264 @ 0x38fcf40] ref P L0: 77.5% 12.2%  9.1%  0.9%  0.2%  0.0%
    
[libx264 @ 0x38fcf40] ref B L0: 86.6% 13.2%  0.2%  0.0%
    
[libx264 @ 0x38fcf40] ref B L1: 89.8% 10.2%
    
[libx264 @ 0x38fcf40] kb/s:522.05
    
</server></server>

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