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    28 novembre 2010, par

    Une file d’attente stockée dans la base de donnée
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  • Contribute to documentation

    13 avril 2011

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    To contribute, register to the project users’ mailing (...)

  • Selection of projects using MediaSPIP

    2 mai 2011, par

    The examples below are representative elements of MediaSPIP specific uses for specific projects.
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  • Converting Real Media with ffmpeg

    22 avril 2018, par Eric Arenson

    I have a number of old crusty Real Media files I need to convert and was hoping to write a script to batch process them. I’m able to do a Real Media -> AVI conversion with FFMpegX, but when I try to replicate the conversion with ffmpeg, it always errors out with something like :

    [avi @ 0x10084fa00] Too large number of skipped frames 117425 > 60000

    It may have something to do with the funky format of these Real Media files :

    Duration: 01:28:23.42, start: 0.000000, bitrate: 448 kb/s
    
    Stream #0:0: Data: none, 32 kb/s
    
    Stream #0:1: Data: none, 192 kb/s
    
    Stream #0:2: Audio: sipr (sipr / 0x72706973), 8000 Hz, mono, flt, 6 kb/s
    
    Stream #0:3: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 13 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
    
    Stream #0:4: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 8 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
    
    Stream #0:5: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 5 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
    
    Stream #0:6: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 27 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
    
    Stream #0:7: Audio: cook (cook / 0x6B6F6F63), 22050 Hz, mono, fltp, 32 kb/s
    
    Stream #0:8: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 192 kb/s, 30 fps, 30 tbr, 1k tbn, 1k tbc
    
    Stream #0:9: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 136 kb/s, 30 fps, 30 tbr, 1k tbn, 1k tbc
    
    Stream #0:10: Audio: sipr (sipr / 0x72706973), 8000 Hz, mono, flt, 6 kb/s
    
    Stream #0:11: Audio: sipr (sipr / 0x72706973), 8000 Hz, mono, flt, 6 kb/s
    
    Stream #0:12: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 13 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
    
    Stream #0:13: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 13 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
    
    Stream #0:14: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 13 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
    
    Stream #0:15: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 5 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc

    Does anyone have any tips on either how to find out what FFMpegX is doing to make the conversion work, or a better way to go about using ffmpeg to do this ?

    EDIT

    Including the ffmpeg command (thank you to @Mondain for teaching me about the stream mapping !) and output :

    Command :

    ffmpeg -i cc121307pm.rm -map 0:8 -map 0:7 -c:v libx264 -c:a libfaac -b:a 32k test.avi

    Output :

    ffmpeg version 1.2.1 Copyright (c) 2000-2013 the FFmpeg developers
    
  built on Aug  7 2013 12:29:30 with gcc 4.2.1 (GCC) (Apple Inc. build 5664)
    
  configuration: --prefix=/usr/local/Cellar/ffmpeg/1.2.1 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --enable-vda --cc=/usr/bin/gcc-4.2 --host-cflags='-Os -w -pipe -march=core2 -msse4.1 -mmacosx-version-min=10.6' --host-ldflags=-L/usr/local/lib --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid
    
  libavutil      52. 18.100 / 52. 18.100
    
  libavcodec     54. 92.100 / 54. 92.100
    
  libavformat    54. 63.104 / 54. 63.104
    
  libavdevice    54.  3.103 / 54.  3.103
    
  libavfilter     3. 42.103 /  3. 42.103
    
  libswscale      2.  2.100 /  2.  2.100
    
  libswresample   0. 17.102 /  0. 17.102
    
  libpostproc    52.  2.100 / 52.  2.100
    
[rm @ 0x10180f200] Unsupported stream type 00000265
    
[rm @ 0x10180f200] Unsupported stream type 00000652
    
[rm @ 0x10180f200] max_analyze_duration 5000000 reached at 5004000 microseconds
    
Input #0, rm, from 'input.rm':
    
  Metadata:
    
    File ID         : 41deac0f-94fb-3595-325c-c717943bc532
    
    Content Rating  : (PICS-1.1 "http://www.classify.org/safesurf" labels comment "RealProducer Plus 8.5.0.200 Windows" ratings (SS~~000 1))
    
    Modification Date: 12/13/2007 16:26:16
    
    Generated By    : RealProducer Plus 8.5.0.200 Windows
    
    Keywords        : 
    
    Abstract        : 
    
    Target Audiences: 28K Modem (20 Kbps);56K Modem (34 Kbps);256K DSL/Cable Modem (225 Kbps);
    
    Video Quality   : Normal Motion Video
    
    Audio Format    : Voice Only
    
    Creation Date   : 12/13/2007 14:57:49
    
    ASMRuleBook     : #($Bandwidth < 15000),Stream2Bandwidth = 6500, Stream3Bandwidth = 5499;#($Bandwidth >= 15000) && ($Bandwidth < 20000),Stream2Ba
    
    title           : 
    
    author          : 
    
    copyright       : ?2007
    
    comment         : 
    
  Duration: 01:28:23.42, start: 0.000000, bitrate: 448 kb/s
    
    Stream #0:0: Data: none, 32 kb/s
    
    Stream #0:1: Data: none, 192 kb/s
    
    Stream #0:2: Audio: sipr (sipr / 0x72706973), 8000 Hz, mono, flt, 6 kb/s
    
    Stream #0:3: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 13 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
    
    Stream #0:4: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 8 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
    
    Stream #0:5: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 5 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
    
    Stream #0:6: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 27 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
    
    Stream #0:7: Audio: cook (cook / 0x6B6F6F63), 22050 Hz, mono, fltp, 32 kb/s
    
    Stream #0:8: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 192 kb/s, 30 fps, 30 tbr, 1k tbn, 1k tbc
    
    Stream #0:9: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 136 kb/s, 30 fps, 30 tbr, 1k tbn, 1k tbc
    
    Stream #0:10: Audio: sipr (sipr / 0x72706973), 8000 Hz, mono, flt, 6 kb/s
    
    Stream #0:11: Audio: sipr (sipr / 0x72706973), 8000 Hz, mono, flt, 6 kb/s
    
    Stream #0:12: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 13 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
    
    Stream #0:13: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 13 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
    
    Stream #0:14: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 13 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
    
    Stream #0:15: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 5 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
    
[libx264 @ 0x101889c00] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.1 Cache64
    
[libx264 @ 0x101889c00] profile High, level 1.3
    
Output #0, avi, to 'test.avi':
    
  Metadata:
    
    File ID         : 41deac0f-94fb-3595-325c-c717943bc532
    
    Content Rating  : (PICS-1.1 "http://www.classify.org/safesurf" labels comment "RealProducer Plus 8.5.0.200 Windows" ratings (SS~~000 1))
    
    Modification Date: 12/13/2007 16:26:16
    
    Generated By    : RealProducer Plus 8.5.0.200 Windows
    
    Keywords        : 
    
    Abstract        : 
    
    Target Audiences: 28K Modem (20 Kbps);56K Modem (34 Kbps);256K DSL/Cable Modem (225 Kbps);
    
    Video Quality   : Normal Motion Video
    
    Audio Format    : Voice Only
    
    Creation Date   : 12/13/2007 14:57:49
    
    ASMRuleBook     : #($Bandwidth < 15000),Stream2Bandwidth = 6500, Stream3Bandwidth = 5499;#($Bandwidth >= 15000) && ($Bandwidth < 20000),Stream2Ba
    
    INAM            : 
    
    author          : 
    
    ICOP            : ?2007
    
    ICMT            : 
    
    ISFT            : Lavf54.63.104
    
    Stream #0:0: Video: h264 (H264 / 0x34363248), yuv420p, 320x240, q=-1--1, 30 tbn, 30 tbc
    
    Stream #0:1: Audio: aac ([255][0][0][0] / 0x00FF), 22050 Hz, mono, s16, 32 kb/s
    
Stream mapping:
    
  Stream #0:8 -> #0:0 (rv20 -> libx264)
    
  Stream #0:7 -> #0:1 (cook -> libfaac)
    
Press [q] to stop, [?] for help
    
[rm @ 0x10180f200] DATA tag in middle of chunk, file may be broken.
    
Truncating packet of size 775215378 to 283607526
    
[rm @ 0x10180f200] Impossibly sized packet
    
Truncating packet of size 686581284 to 279055389
    
[rm @ 0x10180f200] Impossibly sized packet
    
Truncating packet of size 845942319 to 279042877
    
[rm @ 0x10180f200] Impossibly sized packet
    
Truncating packet of size 519635011 to 279040757
    
[rm @ 0x10180f200] Impossibly sized packet
    
Truncating packet of size 302013449 to 260425302
    
[rm @ 0x10180f200] Impossibly sized packet
    
Truncating packet of size 671112232 to 260422550
    
[rm @ 0x10180f200] Impossibly sized packet
    
Truncating packet of size 670137329 to 260371048
    
[rm @ 0x10180f200] Impossibly sized packet
    
Truncating packet of size 674387680 to 260336787
    
[rm @ 0x10180f200] Impossibly sized packet
    
Truncating packet of size 698852899 to 260336757
    
[rm @ 0x10180f200] Impossibly sized packet
    
Truncating packet of size 881600768 to 260281240
    
[rm @ 0x10180f200] Impossibly sized packet
    
Truncating packet of size 623325768 to 241694111
    
[rm @ 0x10180f200] Impossibly sized packet
    
Truncating packet of size 273397034 to 241679920
    
[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
Truncating packet of size 264614026 to 220525004
    
[rm @ 0x10180f200] Impossibly sized packet
    
[rm @ 0x10180f200] DATA tag in middle of chunk, file may be broken.
    
Truncating packet of size 637535515 to 219973842
    
[rm @ 0x10180f200] Impossibly sized packet
    
Truncating packet of size 432193588 to 219973831
    
[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
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[rm @ 0x10180f200] Impossibly sized packet
    
Truncating packet of size 187973624 to 52762203
    
[rm @ 0x10180f200] Impossibly sized packet
    
Truncating packet of size 315276941 to 52762157
    
[rm @ 0x10180f200] Impossibly sized packet
    
Truncating packet of size 947559309 to 23894660
    
[rm @ 0x10180f200] Impossibly sized packet
    
Truncating packet of size 183681448 to 2582872
    
[rm @ 0x10180f200] Impossibly sized packet
    
input.rm: Input/output error
    
frame=    0 fps=0.0 q=0.0 Lsize=      10kB time=00:00:00.00 bitrate=N/A    
    
video:0kB audio:0kB subtitle:0 global headers:0kB muxing overhead inf%
    
Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)

  • FFmpeg performance on android devices

    14 juin 2017, par LemanRass

    I’m trying to make an app for android via Unity3D game engine which will basically
    be a video player.
    I decide to use FFmpeg library which i linked to my C++ plugin using Android NDK.
    I’m trying to play at least HD video and i stuck on performance problem.
    Retrieving each frame of HD resolution takes near than 40 milliseconds of time. 1000 / 40 = 25 fps which is already not good enough because i did n`t even wrote audio handling yet. But how about full hd videos ? Another video players on my device somehow playing full hd videos but i don’t even know how they do.

  • VP8 and WebM, not working in ffmpeg-php [migrated]

    6 octobre 2012, par Olaf Erlandsen

    I need a help with ffmpeg-php and Ffmpeg.

    Ffmpeg :

    ffmpeg version 1.0.git
    
built on Oct  6 2012 01:54:50 with gcc 4.4.6 (GCC) 20120305 (Red Hat 4.4.6-4)
    
configuration: --enable-gpl --enable-libmp3lame --enable-libtheora --enable-libvo-aacenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-version3
    
libavutil      51. 73.102 / 51. 73.102
    
libavcodec     54. 63.100 / 54. 63.100
    
libavformat    54. 29.105 / 54. 29.105
    
libavdevice    54.  3.100 / 54.  3.100
    
libavfilter     3. 19.102 /  3. 19.102
    
libswscale      2.  1.101 /  2.  1.101
    
libswresample   0. 16.100 /  0. 16.100
    
libpostproc    52.  1.100 / 52.  1.100

    Ffmpeg-PHP

    FFmpeg 0.6.5
    
libavutil     50.15. 1 / 50.15. 1
    
libavcodec    52.72. 2 / 52.72. 2
    
libavformat   52.64. 2 / 52.64. 2
    
libavdevice   52. 2. 0 / 52. 2. 0
    
libavfilter    1.19. 0 /  1.19. 0
    
libswscale     0.11. 0 /  0.11. 0
    
libpostproc   51. 2. 0 / 51. 2. 0

    FFMPEG-PHP Command :

    ffmpeg -y -i /f1ccd3a27d36270492ce660da358b436.mp4 -t 99 -f webm /f1ccd3a27d36270492ce660da358b436.webm

    FFMPEG(SSH) Command :

    ffmpeg -y -i /f1ccd3a27d36270492ce660da358b436.mp4 -t 99 -f webm /f1ccd3a27d36270492ce660da358b436.webm

    FFMPEG-PHP Output :

    FFmpeg version 0.6.5, Copyright (c) 2000-2010 the FFmpeg developers
    
  built on Jan 29 2012 17:52:15 with gcc 4.4.5 20110214 (Red Hat 4.4.5-6)
    
  configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --mandir=/usr/share/man --incdir=/usr/include --disable-avisynth --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC' --enable-avfilter --enable-avfilter-lavf --enable-libdc1394 --enable-libdirac --enable-libfaac --enable-libfaad --enable-libfaadbin --enable-libgsm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libx264 --enable-gpl --enable-nonfree --enable-postproc --enable-pthreads --enable-shared --enable-swscale --enable-vdpau --enable-version3 --enable-x11grab
    
  libavutil     50.15. 1 / 50.15. 1
    
  libavcodec    52.72. 2 / 52.72. 2
    
  libavformat   52.64. 2 / 52.64. 2
    
  libavdevice   52. 2. 0 / 52. 2. 0
    
  libavfilter    1.19. 0 /  1.19. 0
    
  libswscale     0.11. 0 /  0.11. 0
    
  libpostproc   51. 2. 0 / 51. 2. 0
    
Seems stream 1 codec frame rate differs from container frame rate: 59.94 (2997/50) -> 29.97 (30000/1001)
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/f1ccd3a27d36270492ce660da358b436.mp4':
    
  Metadata:
    
    major_brand     : mp42
    
    minor_version   : 0
    
    compatible_brands: isomavc1mp42
    
  Duration: 00:04:16.32, start: 0.000000, bitrate: 650 kb/s
    
    Stream #0.0(und): Audio: aac, 44100 Hz, stereo, s16, 108 kb/s
    
    Stream #0.1(und): Video: h264, yuv420p, 480x360 [PAR 1:1 DAR 4:3], 539 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc
    
Output #0, webm, to '/f1ccd3a27d36270492ce660da358b436.webm':
    
    Stream #0.0(und): Video: 0x0000, yuv420p, 480x360 [PAR 1:1 DAR 4:3], q=2-31, 200 kb/s, 90k tbn, 29.97 tbc
    
    Stream #0.1(und): Audio: 0x0000, 44100 Hz, stereo, s16, 64 kb/s
    
Stream mapping:
    
  Stream #0.1 -> #0.0
    
  Stream #0.0 -> #0.1
    
Encoder (codec id 146) not found for output stream #0.0

    FFMPEG(SSH) Output :

    ffmpeg version 1.0.git Copyright (c) 2000-2012 the FFmpeg developers
    
  built on Oct  6 2012 01:54:50 with gcc 4.4.6 (GCC) 20120305 (Red Hat 4.4.6-4)
    
  configuration: --enable-gpl --enable-libmp3lame --enable-libtheora --enable-libvo-aacenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-version3
    
  libavutil      51. 73.102 / 51. 73.102
    
  libavcodec     54. 63.100 / 54. 63.100
    
  libavformat    54. 29.105 / 54. 29.105
    
  libavdevice    54.  3.100 / 54.  3.100
    
  libavfilter     3. 19.102 /  3. 19.102
    
  libswscale      2.  1.101 /  2.  1.101
    
  libswresample   0. 16.100 /  0. 16.100
    
  libpostproc    52.  1.100 / 52.  1.100
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/f1ccd3a27d36270492ce660da358b436.mp4':
    
  Metadata:
    
    major_brand     : mp42
    
    minor_version   : 0
    
    compatible_brands: isomavc1mp42
    
    creation_time   : 2009-12-23 02:00:55
    
  Duration: 00:04:16.32, start: 0.000000, bitrate: 650 kb/s
    
    Stream #0:0(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, s16, 108 kb/s
    
    Metadata:
    
      creation_time   : 2009-12-23 02:00:55
    
      handler_name    : (C) 2007 Google Inc. v08.13.2007.
    
    Stream #0:1(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 480x360 [SAR 1:1 DAR 4:3], 539 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc
    
    Metadata:
    
      creation_time   : 2009-12-23 02:00:55
    
      handler_name    : (C) 2007 Google Inc. v08.13.2007.
    
[libvpx @ 0x2166e00] v1.1.0
    
Output #0, webm, to '/f1ccd3a27d36270492ce660da358b436.webm':
    
  Metadata:
    
    major_brand     : mp42
    
    minor_version   : 0
    
    compatible_brands: isomavc1mp42
    
    encoder         : Lavf54.29.105
    
    Stream #0:0(und): Video: vp8, yuv420p, 480x360 [SAR 1:1 DAR 4:3], q=-1--1, 200 kb/s, 1k tbn, 29.97 tbc
    
    Metadata:
    
      creation_time   : 2009-12-23 02:00:55
    
      handler_name    : (C) 2007 Google Inc. v08.13.2007.
    
    Stream #0:1(und): Audio: vorbis, 44100 Hz, stereo, flt
    
    Metadata:
    
      creation_time   : 2009-12-23 02:00:55
    
      handler_name    : (C) 2007 Google Inc. v08.13.2007.
    
Stream mapping:
    
  Stream #0:1 -> #0:0 (h264 -> libvpx)
    
  Stream #0:0 -> #0:1 (aac -> libvorbis)
    
Press [q] to stop, [?] for help
    
[libvorbis @ 0x2167340] Que input is backward in time
    
frame= 2968 fps= 61 q=0.0 Lsize=    4464kB time=00:01:39.03 bitrate= 369.3kbits/s
    
video:3068kB audio:1319kB subtitle:0 global headers:4kB muxing overhead 1.662821%

    Error :

    Encoder (codec id 146) not found for output stream #0.0

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