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  • Gestion des droits de création et d’édition des objets

    8 février 2011, par

    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 ;

  • Des sites réalisés avec MediaSPIP

    2 mai 2011, par

    Cette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
    Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page.

  • Supporting all media types

    13 avril 2011, par

    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 (...)

Sur d’autres sites (9151)

  • Simple ffmpeg cutting of videos and storing in specific location

    18 octobre 2013, par Akash Deshpande

    How to cut a small segment from a video in ffmpeg

    ffmpeg.exe -i F:\\Ims\\144\\TestRun\\12907\\144151__cam144__10-10-2013 8.32.36 PM__10-10-2013 8.52.55 PM.avi -ss 00:00:01 -t 00:01:00 -vcodec -acodec -o F:\\IMS_Analysis\\cam144_0.avi

    Gives an error that the option "-o" is not know. How do I ask ffmpeg create the output file called cam144_o.avi ? what is the switch for this ?

  • Unable to stream file onto localhost - ffmpeg

    18 octobre 2013, par trueblue

    I am new to ffmpeg/ffserver. I am trying to stream a local file named Trial onto a localhost using ffserver. I want to run the file in browser as http://localhost:8090/feed1.ffm
    I am executing the below command in Ubuntu(Trial is a Mpeg TS file) :

      ffmpeg -i Trial http://localhost:8090/feed1.ffm

    Upon execution of above command I am getting below error :

    FFmpeg version SVN-r0.5.9-4:0.5.9-0ubuntu0.10.04.3, Copyright (c) 2000-2009 Fabrice Bellard, et al.
    
  configuration: --extra-version=4:0.5.9-0ubuntu0.10.04.3 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --disable-stripping --disable-vhook --enable-runtime-cpudetect --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --enable-shared --disable-static
    
  libavutil     49.15. 0 / 49.15. 0
    
  libavcodec    52.20. 1 / 52.20. 1
    
  libavformat   52.31. 0 / 52.31. 0
    
  libavdevice   52. 1. 0 / 52. 1. 0
    
  libavfilter    0. 4. 0 /  0. 4. 0
    
  libswscale     0. 7. 1 /  0. 7. 1
    
  libpostproc   51. 2. 0 / 51. 2. 0
    
  built on Jan 24 2013 19:42:59, gcc: 4.4.3
    

    
Seems stream 0 codec frame rate differs from container frame rate: 119.88 (120000/1001) -> 59.94 (60000/1001)
    
Input #0, mpegts, from 'Trial':
    
  Duration: 00:00:04.22, start: 0.177633, bitrate: 40368 kb/s
    
  Program 2 
    
    Stream #0.0[0x21]: Video: mpeg2video, yuv420p, 1280x720 [PAR 1:1 DAR 16:9], 45000 kb/s, 59.94 tbr, 90k tbn, 119.88 tbc
    
Output #0, ffm, to 'http://localhost:8090/feed1.ffm':
    
    Stream #0.0: Video: flv, yuv420p, 352x288, q=1-5, 100 kb/s, 1000k tbn, 15 tbc
    
    Stream #0.1: Audio: mp2, 44100 Hz, mono, s16, 32 kb/s
    
    Stream #0.2: Video: mpeg1video, yuv420p, 160x128, q=3-31, 64 kb/s, 1000k tbn, 3 tbc
    
    Stream #0.3: Audio: mp2, 22050 Hz, mono, s16, 64 kb/s
    
    Stream #0.4: Video: msmpeg4, yuv420p, 352x240, q=3-31, 256 kb/s, 1000k tbn, 15 tbc
    
Could not find input stream matching output stream #0.1

    My ffserver.conf file goes like this :

    # Port on which the server is listening. You must select a different
    
# port from your standard HTTP web server if it is running on the same
    
# computer.
    
Port 8090
    

    
# Address on which the server is bound. Only useful if you have
    
# several network interfaces.
    
BindAddress 0.0.0.0
    

    
# Number of simultaneous HTTP connections that can be handled. It has
    
# to be defined *before* the MaxClients parameter, since it defines the
    
# MaxClients maximum limit.
    
MaxHTTPConnections 2000
    

    
# Number of simultaneous requests that can be handled. Since FFServer
    
# is very fast, it is more likely that you will want to leave this high
    
# and use MaxBandwidth, below.
    
MaxClients 1000
    

    
# This the maximum amount of kbit/sec that you are prepared to
    
# consume when streaming to clients.
    
MaxBandwidth 1000
    

    
# Access log file (uses standard Apache log file format)
    
# '-' is the standard output.
    
CustomLog -
    

    
# Suppress that if you want to launch ffserver as a daemon.
    
NoDaemon
    

    

    
##################################################################
    
# Definition of the live feeds. Each live feed contains one video
    
# and/or audio sequence coming from an ffmpeg encoder or another
    
# ffserver. This sequence may be encoded simultaneously with several
    
# codecs at several resolutions.
    

    
<feed>
    

    
# You must use &#39;ffmpeg&#39; to send a live feed to ffserver. In this
    
# example, you can type:
    
#
    
# ffmpeg http://localhost:8090/feed1.ffm
    

    
# ffserver can also do time shifting. It means that it can stream any
    
# previously recorded live stream. The request should contain:
    
# "http://xxxx?date=[YYYY-MM-DDT][[HH:]MM:]SS[.m...]".You must specify
    
# a path where the feed is stored on disk. You also specify the
    
# maximum size of the feed, where zero means unlimited. Default:
    
# File=/tmp/feed_name.ffm FileMaxSize=5M
    
File /tmp/feed1.ffm
    
FileMaxSize 5M
    

    
# You could specify
    
# ReadOnlyFile /saved/specialvideo.ffm
    
# This marks the file as readonly and it will not be deleted or updated.
    

    
# Specify launch in order to start ffmpeg automatically.
    
# First ffmpeg must be defined with an appropriate path if needed,
    
# after that options can follow, but avoid adding the http:// field
    
#Launch ffmpeg
    

    
# Only allow connections from localhost to the feed.
    
ACL allow 127.0.0.1
    

    
</feed>
    

    

    

    
<stream>
    
Feed feed1.ffm
    
Format swf
    
VideoCodec flv
    
VideoFrameRate 15
    
VideoBufferSize 80000
    
VideoBitRate 100
    
VideoQMin 1
    
VideoQMax 5
    
VideoSize 352x288
    
PreRoll 0
    
Noaudio
    
</stream>
    

    
##################################################################
    
# Now you can define each stream which will be generated from the
    
# original audio and video stream. Each format has a filename (here
    
# &#39;test1.mpg&#39;). FFServer will send this stream when answering a
    
# request containing this filename.
    

    
<stream>
    

    
# coming from live feed &#39;feed1&#39;
    
Feed feed1.ffm
    

    
# Format of the stream : you can choose among:
    
# mpeg       : MPEG-1 multiplexed video and audio
    
# mpegvideo  : only MPEG-1 video
    
# mp2        : MPEG-2 audio (use AudioCodec to select layer 2 and 3 codec)
    
# ogg        : Ogg format (Vorbis audio codec)
    
# rm         : RealNetworks-compatible stream. Multiplexed audio and video.
    
# ra         : RealNetworks-compatible stream. Audio only.
    
# mpjpeg     : Multipart JPEG (works with Netscape without any plugin)
    
# jpeg       : Generate a single JPEG image.
    
# asf        : ASF compatible streaming (Windows Media Player format).
    
# swf        : Macromedia Flash compatible stream
    
# avi        : AVI format (MPEG-4 video, MPEG audio sound)
    
Format mpeg
    

    
# Bitrate for the audio stream. Codecs usually support only a few
    
# different bitrates.
    
AudioBitRate 32
    

    
# Number of audio channels: 1 = mono, 2 = stereo
    
AudioChannels 1
    

    
# Sampling frequency for audio. When using low bitrates, you should
    
# lower this frequency to 22050 or 11025. The supported frequencies
    
# depend on the selected audio codec.
    
AudioSampleRate 44100
    

    
# Bitrate for the video stream
    
VideoBitRate 64
    

    

    
# Ratecontrol buffer size
    
VideoBufferSize 40
    

    
# Number of frames per second
    
VideoFrameRate 3
    

    
# Size of the video frame: WxH (default: 160x128)
    
# The following abbreviations are defined: sqcif, qcif, cif, 4cif, qqvga,
    
# qvga, vga, svga, xga, uxga, qxga, sxga, qsxga, hsxga, wvga, wxga, wsxga,
    
# wuxga, woxga, wqsxga, wquxga, whsxga, whuxga, cga, ega, hd480, hd720,
    
# hd1080
    
VideoSize 160x128
    

    
# Transmit only intra frames (useful for low bitrates, but kills frame rate).
    
#VideoIntraOnly
    

    
# If non-intra only, an intra frame is transmitted every VideoGopSize
    
# frames. Video synchronization can only begin at an intra frame.
    
VideoGopSize 12
    

    
# More MPEG-4 parameters
    
# VideoHighQuality
    
# Video4MotionVector
    

    
# Choose your codecs:
    
#AudioCodec mp2
    
#VideoCodec mpeg1video
    

    
# Suppress audio
    
#NoAudio
    

    
# Suppress video
    
#NoVideo
    

    
#VideoQMin 3
    
#VideoQMax 31
    

    
# Set this to the number of seconds backwards in time to start. Note that
    
# most players will buffer 5-10 seconds of video, and also you need to allow
    
# for a keyframe to appear in the data stream.
    
#Preroll 15
    

    
# ACL:
    

    
# You can allow ranges of addresses (or single addresses)
    
#ACL ALLOW <first address="address"> <last address="address">
    

    
# You can deny ranges of addresses (or single addresses)
    
#ACL DENY <first address="address"> <last address="address">
    

    
# You can repeat the ACL allow/deny as often as you like. It is on a per
    
# stream basis. The first match defines the action. If there are no matches,
    
# then the default is the inverse of the last ACL statement.
    
#
    
# Thus &#39;ACL allow localhost&#39; only allows access from localhost.
    
# &#39;ACL deny 1.0.0.0 1.255.255.255&#39; would deny the whole of network 1 and
    
# allow everybody else.
    

    
</last></first></last></first></stream>
    

    

    
##################################################################
    
# Example streams
    

    

    
# Multipart JPEG
    

    
#<stream>
    
#Feed feed1.ffm
    
#Format mpjpeg
    
#VideoFrameRate 2
    
#VideoIntraOnly
    
#NoAudio
    
#Strict -1
    
#</stream>
    

    

    
# Single JPEG
    

    
#<stream>
    
#Feed feed1.ffm
    
#Format jpeg
    
#VideoFrameRate 2
    
#VideoIntraOnly
    
##VideoSize 352x240
    
#NoAudio
    
#Strict -1
    
#</stream>
    

    

    

    
# Flash
    

    
#<stream>
    
#Feed feed1.ffm
    
#Format swf
    
#VideoFrameRate 2
    
#VideoIntraOnly
    
#NoAudio
    
#</stream>
    

    

    
# ASF compatible
    

    
<stream>
    
Feed feed1.ffm
    
Format asf
    
VideoFrameRate 15
    
VideoSize 352x240
    
VideoBitRate 256
    
VideoBufferSize 40
    
VideoGopSize 30
    
AudioBitRate 64
    
StartSendOnKey
    
</stream>
    

    

    
# MP3 audio
    

    
#<stream>
    
#Feed feed1.ffm
    
#Format mp2
    
#AudioCodec mp3
    
#AudioBitRate 64
    
#AudioChannels 1
    
#AudioSampleRate 44100
    
#NoVideo
    
#</stream>
    

    

    
# Ogg Vorbis audio
    

    
#<stream>
    
#Feed feed1.ffm
    
#Title "Stream title"
    
#AudioBitRate 64
    
#AudioChannels 2
    
#AudioSampleRate 44100
    
#NoVideo
    
#</stream>
    

    

    
# Real with audio only at 32 kbits
    

    
#<stream>
    
#Feed feed1.ffm
    
#Format rm
    
#AudioBitRate 32
    
#NoVideo
    
#NoAudio
    
#</stream>
    

    

    
# Real with audio and video at 64 kbits
    

    
#<stream>
    
#Feed feed1.ffm
    
#Format rm
    
#AudioBitRate 32
    
#VideoBitRate 128
    
#VideoFrameRate 25
    
#VideoGopSize 25
    
#NoAudio
    
#</stream>
    

    

    
##################################################################
    
# A stream coming from a file: you only need to set the input
    
# filename and optionally a new format. Supported conversions:
    
#    AVI -> ASF
    

    
#<stream>
    
#File "/usr/local/httpd/htdocs/tlive.rm"
    
#NoAudio
    
#</stream>
    

    
#<stream>
    
#File "/usr/local/httpd/htdocs/test.asf"
    
#NoAudio
    
#Author "Me"
    
#Copyright "Super MegaCorp"
    
#Title "Test stream from disk"
    
#Comment "Test comment"
    
#</stream>
    

    

    
##################################################################
    
# RTSP examples
    
#
    
# You can access this stream with the RTSP URL:
    
#   rtsp://localhost:5454/test1-rtsp.mpg
    
#
    
# A non-standard RTSP redirector is also created. Its URL is:
    
#   http://localhost:8090/test1-rtsp.rtsp
    

    
#<stream>
    
#Format rtp
    
#File "/usr/local/httpd/htdocs/test1.mpg"
    
#</stream>
    

    

    
##################################################################
    
# SDP/multicast examples
    
#
    
# If you want to send your stream in multicast, you must set the
    
# multicast address with MulticastAddress. The port and the TTL can
    
# also be set.
    
#
    
# An SDP file is automatically generated by ffserver by adding the
    
# &#39;sdp&#39; extension to the stream name (here
    
# http://localhost:8090/test1-sdp.sdp). You should usually give this
    
# file to your player to play the stream.
    
#
    
# The &#39;NoLoop&#39; option can be used to avoid looping when the stream is
    
# terminated.
    

    
#<stream>
    
#Format rtp
    
#File "/usr/local/httpd/htdocs/test1.mpg"
    
#MulticastAddress 224.124.0.1
    
#MulticastPort 5000
    
#MulticastTTL 16
    
#NoLoop
    
#</stream>
    

    

    
##################################################################
    
# Special streams
    

    
# Server status
    

    
<stream>
    
Format status
    

    
# Only allow local people to get the status
    
ACL allow localhost
    
ACL allow 192.168.0.0 192.168.255.255
    

    
#FaviconURL http://pond1.gladstonefamily.net:8080/favicon.ico
    
</stream>
    

    

    
# Redirect index.html to the appropriate site
    

    
<redirect>
    
URL http://www.ffmpeg.org/
    
</redirect>

    Kindly anyone please assist me whether I am missing something or do i need to change my server.conf file ? I have referred many websites. But still I am unable to fix it. Thanks in advance.

  • Converting DVD image with subtitles to MKV using avconv

    16 janvier 2016, par Carlos Eugenio Thompson Pinzón

    This is the procedure I know to convert a DVD image to another videoformat (v.g. MP4) :

    1. concatenate the VTS_01_n.VOB files inside VIDEO_TS folder (for n >= 0) into a single VOB file.
    2. use avconv or ffmpeg in order to convert that VOB into another format.

    So far so good, however now I want to convert the DVD image with the subtitles. As far as I know the MKV format supports subtitles, so it seems an obvious choice. Alternatively I might use any other format with hard subtitles (subtitles as part of the video image).

    However, the subtitle encoding in the DVD image is dvdsub and I get the following error

    Only SUBTITLE_ASS type supported.
    
Subtitle encoding failed

    However, when running avconv -codecs I get :

    ...
    
 DES    dvdsub          DVD subtitles
    
...

    And the -c:s copy switch, while it prevents the command to fail, it does not seem to produce a subtitle that the player can understand.

    So, how can I create ass subtitles from dvdsub using avconv ?

    My VOB file has eight subtitle channels and two audio channels. The Ubuntu video app does not show any subtitles, and only the first audio channel seems to be working, do the DVD image might be broken.

    Another file, for a double-layer DVD, displays the Subtitle encoding error, however when using the -c:s copy switch it further displays :

    Application provided invalid, non monotonically increasing dts to muxer in stream 2: 49 >= 49
    
av_interleaved_write_frame(): Invalid argument

    Thank you in advance for any ideas on how to solve these problems.

    (I am using Ubuntu where ffmpeg is an alias for avconv. I know it is possible to install the real ffmpeg but so far I have not done so.)

    update : commands and console outputs :

    commands

    cat VTS_01_1.VOB VTS_01_2.VOB VTS_01_3.VOB VTS_01_4.VOB VTS_01_5.VOB > ~/temp/mymovie.VOB
    
cd ~/temp
    
avconv -i mymovie.VOB

    output

    avconv version 0.8.6-6:0.8.6-1ubuntu2, Copyright (c) 2000-2013 the Libav developers
    
  built on Mar 30 2013 22:20:06 with gcc 4.7.2
    
[mpeg @ 0x1a64d40] max_analyze_duration reached
    
Input #0, mpeg, from 'mymovie.VOB':
    
  Duration: 00:00:01.95, start: 0.280633, bitrate: -2147483 kb/s
    
    Stream #0.0[0x1e0]: Video: mpeg2video (Main), yuv420p, 720x480 [PAR 8:9 DAR 4:3], 7500 kb/s, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    
    Stream #0.1[0x20]: Subtitle: dvdsub
    
    Stream #0.2[0x21]: Subtitle: dvdsub
    
    Stream #0.3[0x22]: Subtitle: dvdsub
    
    Stream #0.4[0x23]: Subtitle: dvdsub
    
    Stream #0.5[0x24]: Subtitle: dvdsub
    
    Stream #0.6[0x25]: Subtitle: dvdsub
    
    Stream #0.7[0x26]: Subtitle: dvdsub
    
    Stream #0.8[0x27]: Subtitle: dvdsub
    
    Stream #0.9[0x80]: Audio: ac3, 48000 Hz, 5.1, s16, 448 kb/s
    
    Stream #0.10[0x81]: Audio: ac3, 48000 Hz, 5.1, s16, 448 kb/s
    
At least one output file must be specified

    command

    avconv -i mymovie.VOB mymovie.mkv

    output

    avconv version 0.8.6-6:0.8.6-1ubuntu2, Copyright (c) 2000-2013 the Libav developers
    
  built on Mar 30 2013 22:20:06 with gcc 4.7.2
    
[mpeg @ 0x1cdad40] max_analyze_duration reached
    
Input #0, mpeg, from 'mymovie.VOB':
    
  Duration: 00:00:01.95, start: 0.280633, bitrate: -2147483 kb/s
    
    Stream #0.0[0x1e0]: Video: mpeg2video (Main), yuv420p, 720x480 [PAR 8:9 DAR 4:3], 7500 kb/s, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    
    Stream #0.1[0x20]: Subtitle: dvdsub
    
    Stream #0.2[0x21]: Subtitle: dvdsub
    
    Stream #0.3[0x22]: Subtitle: dvdsub
    
    Stream #0.4[0x23]: Subtitle: dvdsub
    
    Stream #0.5[0x24]: Subtitle: dvdsub
    
    Stream #0.6[0x25]: Subtitle: dvdsub
    
    Stream #0.7[0x26]: Subtitle: dvdsub
    
    Stream #0.8[0x27]: Subtitle: dvdsub
    
    Stream #0.9[0x80]: Audio: ac3, 48000 Hz, 5.1, s16, 448 kb/s
    
    Stream #0.10[0x81]: Audio: ac3, 48000 Hz, 5.1, s16, 448 kb/s
    
File 'mymovie.mkv' already exists. Overwrite ? [y/N] y
    
[buffer @ 0x1ce23c0] w:720 h:480 pixfmt:yuv420p
    
Output #0, matroska, to 'mymovie.mkv':
    
  Metadata:
    
    encoder         : Lavf53.21.1
    
    Stream #0.0: Video: mpeg4, yuv420p, 720x480 [PAR 8:9 DAR 4:3], q=2-31, 200 kb/s, 1k tbn, 29.97 tbc
    
    Stream #0.1: Audio: libvorbis, 48000 Hz, 5.1, s16
    
    Stream #0.2: Subtitle: ass, 200 kb/s
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (mpeg2video -> mpeg4)
    
  Stream #0:9 -> #0:1 (ac3 -> libvorbis)
    
  Stream #0:1 -> #0:2 (dvdsub -> ass)
    
Press ctrl-c to stop encoding
    
[ass @ 0x1ce0140] Only SUBTITLE_ASS type supported.
    
Subtitle encoding failed

    command

    avconv -i mymovie.VOB -c:s copy mymovie.mkv

    output omitted.

    command

    avconv -i mymovie.mkv

    output

    avconv version 0.8.6-6:0.8.6-1ubuntu2, Copyright (c) 2000-2013 the Libav developers
    
  built on Mar 30 2013 22:20:06 with gcc 4.7.2
    
[matroska,webm @ 0xbc1d40] Estimating duration from bitrate, this may be inaccurate
    
Input #0, matroska,webm, from 'mymovie.mkv':
    
  Metadata:
    
    ENCODER         : Lavf53.21.1
    
  Duration: 01:05:09.47, start: 0.000000, bitrate: N/A
    
    Stream #0.0: Video: mpeg4 (Simple Profile), yuv420p, 720x480 [PAR 8:9 DAR 4:3], 29.97 fps, 29.97 tbr, 1k tbn, 30k tbc (default)
    
    Stream #0.1: Audio: vorbis, 48000 Hz, 5.1, s16 (default)
    
    Stream #0.2: Subtitle: dvdsub (default)
    
At least one output file must be specified

    Now, for the double-layer :
    commands

    cat VTS_01_1.VOB VTS_01_2.VOB VTS_01_3.VOB VTS_01_4.VOB VTS_01_5.VOB VTS_01_6.VOB VTS_01_7.VOB VTS_01_8.VOB > ~/temp/mylongmovie.VOB
    
cd ~/temp
    
avconv -i mylongmovie.VOB mylongmovie.mkv

    output

    avconv version 0.8.6-6:0.8.6-1ubuntu2, Copyright (c) 2000-2013 the Libav developers
    
  built on Mar 30 2013 22:20:06 with gcc 4.7.2
    
[mpeg @ 0x13c2d40] max_analyze_duration reached
    
Input #0, mpeg, from 'Cosmos-0203.VOB':
    
  Duration: 00:00:30.24, start: 0.280633, bitrate: 2103365 kb/s
    
    Stream #0.0[0x1e0]: Video: mpeg2video (Main), yuv420p, 720x480 [PAR 8:9 DAR 4:3], 8000 kb/s, 27.46 fps, 59.94 tbr, 90k tbn, 59.94 tbc
    
    Stream #0.1[0x20]: Subtitle: dvdsub
    
    Stream #0.2[0x21]: Subtitle: dvdsub
    
    Stream #0.3[0x22]: Subtitle: dvdsub
    
    Stream #0.4[0x23]: Subtitle: dvdsub
    
    Stream #0.5[0x24]: Subtitle: dvdsub
    
    Stream #0.6[0x25]: Subtitle: dvdsub
    
    Stream #0.7[0x26]: Subtitle: dvdsub
    
    Stream #0.8[0x27]: Subtitle: dvdsub
    
    Stream #0.9[0x81]: Audio: ac3, 48000 Hz, 5.1, s16, 448 kb/s
    
    Stream #0.10[0x80]: Audio: ac3, 48000 Hz, 5.1, s16, 448 kb/s
    
File 'mylongmovie.mkv' already exists. Overwrite ? [y/N] y
    
[buffer @ 0x13ca3c0] w:720 h:480 pixfmt:yuv420p
    
Output #0, matroska, to 'mylongmovie.mkv':
    
  Metadata:
    
    encoder         : Lavf53.21.1
    
    Stream #0.0: Video: mpeg4, yuv420p, 720x480 [PAR 8:9 DAR 4:3], q=2-31, 200 kb/s, 1k tbn, 59.94 tbc
    
    Stream #0.1: Audio: libvorbis, 48000 Hz, 5.1, s16
    
    Stream #0.2: Subtitle: ass, 200 kb/s
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (mpeg2video -> mpeg4)
    
  Stream #0:9 -> #0:1 (ac3 -> libvorbis)
    
  Stream #0:1 -> #0:2 (dvdsub -> ass)
    
Press ctrl-c to stop encoding
    
[ass @ 0x13d19c0] Only SUBTITLE_ASS type supported.
    
Subtitle encoding failed

    command

    avconv -i mylongmovie.VOB -c:s copy mylongmovie.mkv

    output

    avconv version 0.8.6-6:0.8.6-1ubuntu2, Copyright (c) 2000-2013 the Libav developers
    
  built on Mar 30 2013 22:20:06 with gcc 4.7.2
    
[mpeg @ 0xce1d40] max_analyze_duration reached
    
Input #0, mpeg, from 'mylongmovie.VOB':
    
  Duration: 00:00:30.24, start: 0.280633, bitrate: 2103365 kb/s
    
    Stream #0.0[0x1e0]: Video: mpeg2video (Main), yuv420p, 720x480 [PAR 8:9 DAR 4:3], 8000 kb/s, 27.46 fps, 59.94 tbr, 90k tbn, 59.94 tbc
    
    Stream #0.1[0x20]: Subtitle: dvdsub
    
    Stream #0.2[0x21]: Subtitle: dvdsub
    
    Stream #0.3[0x22]: Subtitle: dvdsub
    
    Stream #0.4[0x23]: Subtitle: dvdsub
    
    Stream #0.5[0x24]: Subtitle: dvdsub
    
    Stream #0.6[0x25]: Subtitle: dvdsub
    
    Stream #0.7[0x26]: Subtitle: dvdsub
    
    Stream #0.8[0x27]: Subtitle: dvdsub
    
    Stream #0.9[0x81]: Audio: ac3, 48000 Hz, 5.1, s16, 448 kb/s
    
    Stream #0.10[0x80]: Audio: ac3, 48000 Hz, 5.1, s16, 448 kb/s
    
File 'mylongmovie.mkv' already exists. Overwrite ? [y/N] y
    
[buffer @ 0xce93c0] w:720 h:480 pixfmt:yuv420p
    
Output #0, matroska, to 'mylongmovie.mkv':
    
  Metadata:
    
    encoder         : Lavf53.21.1
    
    Stream #0.0: Video: mpeg4, yuv420p, 720x480 [PAR 8:9 DAR 4:3], q=2-31, 200 kb/s, 1k tbn, 59.94 tbc
    
    Stream #0.1: Audio: libvorbis, 48000 Hz, 5.1, s16
    
    Stream #0.2: Subtitle: dvdsub
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (mpeg2video -> mpeg4)
    
  Stream #0:9 -> #0:1 (ac3 -> libvorbis)
    
  Stream #0:1 -> #0:2 (copy)
    
Press ctrl-c to stop encoding
    
[matroska @ 0xce4b40] Application provided invalid, non monotonically increasing dts to muxer in stream 2: 49 >= 49
    
av_interleaved_write_frame(): Invalid argument

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