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    13 avril 2011, par

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    While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
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    MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...)

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    31 mai 2013, par

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    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 (...)

Sur d’autres sites (9826)

  • Retrieving RTP time from an IP camera programatically using FFMPEG

    22 novembre 2013, par Dídac Pérez

    I am using the ffmpeg C/C++ library to get the video stream from an IP camera using methods such as avformat_open_input(), av_read_frame(), etc... I would like to get the RTP time from the camera. pts and dts values give me the relative timestamp to the first frame, but I need the absolute date (i.e. 2013/11/22 12:40:30.123) and time since as I read, at the RTP layer the time is sent by the camera, and I have also configured the camera to use the dime from an NTP server.

    Please, I am really confused and I have tried everything without success, I am not able to find this date and time. Any help will be really appreciated, thank you so much.

  • Android FFmpeg sometimes works and sometimes crashes

    20 novembre 2013, par Pawel Cala

    I compiled FFmpeg for Android ( https://gitorious.org/android-ffmpeg ) but when I'm trying to do some operations ( f.e filters cropping, transpose, trim etc ) it crashes in 5 on 10 cases.
    Error logs are not the same so I assume that it might be caused by memory issues.
    I'm using OSX, NDK android-ndk-r9b : darwing x86_64.
    Native ffmpeg method is passing args to ffmpeg.c main method. It's executed in AsyncTask in Activity.
    Thanks in advance

    EDIT :
    I forgot to mention that programs algorithm runs like that :
    Press Button - > Open Camera Intent - > Start recording - > After recording copy file to project folder ( on SD card ) - > Open edit activity + Start asynctask

    EDIT2 :
    Tested on HTC ONE with different video resolutions

    Version and config of ffmpeg

    11-20 12:15:23.001: I/ff-log(19091): ffmpeg version 0.10.2.git
    
11-20 12:15:23.001: I/ff-log(19091):  Copyright (c) 2000-2012 the FFmpeg developers
    
11-20 12:15:23.001: I/ff-log(19091):   built on Nov 20 2013 12:12:46 with gcc 4.6 20120106 (prerelease)
    
11-20 12:15:23.001: I/ff-log(19091):   configuration: --target-os=linux --cross-prefix=arm-linux-androideabi- --arch=arm --cpu=armv7-a --disable-ffplay --disable-ffserver --disable-network --disable-avdevice --enable-protocol=file --enable-hwaccel=mpeg4_vaapi --enable-hwaccel=h264_vaapi --sysroot=/Users/dpc/Developer/android-ndk-r9b/platforms/android-9/arch-arm --disable-decoder=h264_vdpau --prefix=build/armv7-a --disable-asm --enable-small --disable-everything --enable-decoder=mjpeg --enable-parser=mjpeg --enable-muxer=mp4 --enable-muxer=h264 --enable-muxer=h263 --enable-muxer=yuv4mpegpipe --enable-muxer=mov --enable-demuxer=mpegvideo --enable-demuxer=mjpeg --enable-demuxer=image2 --enable-demuxer=mp4 --enable-demuxer=aac --enable-demuxer=ac3 --enable-demuxer=mp3 --enable-demuxer=yuv4mpegpipe --enable-demuxer=mov --enable-decoder=mpegvideo --enable-decoder=mpeg4 --enable-decoder=mp3 --enable-decoder=ac3 --enable-decoder=aac --enable-decoder=h264 --enable-decoder=h263 --enable-decoder=rawvideo --enable-decoder=yuv4 --enable-decoder=png --enable

    Sample comand :

    1-20 12:15:22.991: I/FFMPEG(19091): CMD:-i file:/storage/emulated/0/.project/videos/mac_video_tmp.mp4 -vf crop=1079:1079:0:420 -vcodec mpeg4 -sameq -acodec copy file:/storage/emulated/0/.project/videos/croppedVid.mp4

    Some output errors :

    1st type :

       11-20 12:15:23.011: I/ff-log(19091):   libavutil      51. 46.100 / 51. 46.100
    
11-20 12:15:23.011: I/ff-log(19091):   libavcodec     54. 14.101 / 54. 14.101
    
11-20 12:15:23.011: I/ff-log(19091):   libavformat    54.  3.100 / 54.  3.100
    
11-20 12:15:23.011: I/ff-log(19091):   libavfilter     2. 70.100 /  2. 70.100
    
11-20 12:15:23.011: I/ff-log(19091):   libswscale      2.  1.100 /  2.  1.100
    
11-20 12:15:23.011: I/ff-log(19091):   libswresample   0. 11.100 /  0. 11.100
    
11-20 12:15:23.011: I/ff-log(19091): before parsing options
    
11-20 12:15:23.011: I/ff-log(19091): before parsing options
    
11-20 12:15:23.011: I/ff-log(19091): parse options
    
11-20 12:15:23.011: I/ff-log(19091): prepare app arguments !!! NOT defined(_WIN32) && !defined(__MINGW32CE__) !
    
11-20 12:15:23.011: I/ff-log(19091): after prepare app arguments
    
11-20 12:15:23.011: I/ff-log(19091): ffurl_open: file:/storage/emulated/0/.project/videos/mac_video_tmp.mp4, 1
    
11-20 12:15:23.011: I/ff-log(19091): ffurl_alloc: file:/storage/emulated/0/.project/videos/mac_video_tmp.mp4, 1
    
11-20 12:15:23.011: I/ff-log(19091): ffurl_alloc: file
    
11-20 12:15:23.011: I/ff-log(19091): ffurl_open alloc: 0
    
11-20 12:15:23.011: I/ff-log(19091): ffurl_connect
    
11-20 12:15:23.011: I/ff-log(19091): ffurl_open connect: 0
    
11-20 12:15:23.011: I/ff-log(19091): Format mov,mp4,m4a,3gp,3g2,mj2 probed with size=2048 and score=100
    
11-20 12:15:23.011: I/ff-log(19091): ISO: File Type Major Brand: isom
    
11-20 12:15:23.021: I/ff-log(19091): File position before avformat_find_stream_info() is 8458240
    
11-20 12:15:23.041: A/libc(19091): Fatal signal 11 (SIGSEGV) at 0x00000000 (code=1), thread 19091 (t.android.utils)

    Second type :

    11-20 12:17:04.800: I/ff-log(19632):   libavutil      51. 46.100 / 51. 46.100
    
11-20 12:17:04.800: I/ff-log(19632):   libavcodec     54. 14.101 / 54. 14.101
    
11-20 12:17:04.800: I/ff-log(19632):   libavformat    54.  3.100 / 54.  3.100
    
11-20 12:17:04.800: I/ff-log(19632):   libavfilter     2. 70.100 /  2. 70.100
    
11-20 12:17:04.800: I/ff-log(19632):   libswscale      2.  1.100 /  2.  1.100
    
11-20 12:17:04.800: I/ff-log(19632):   libswresample   0. 11.100 /  0. 11.100
    
11-20 12:17:04.800: I/ff-log(19632): before parsing options
    
11-20 12:17:04.800: I/ff-log(19632): before parsing options
    
11-20 12:17:04.800: I/ff-log(19632): parse options
    
11-20 12:17:04.800: I/ff-log(19632): prepare app arguments !!! NOT defined(_WIN32) && !defined(__MINGW32CE__) !
    
11-20 12:17:04.800: I/ff-log(19632): after prepare app arguments
    
11-20 12:17:04.800: I/ff-log(19632): opt_output_file ܞ�f��f��f��f���flated/0/.project/videos/mac_video_tmp.mp4
    
11-20 12:17:04.800: I/ff-log(19632): ffurl_alloc: ܞ�f��f��f��f���flated/0/.project/videos/mac_video_tmp.mp4, 0
    
11-20 12:17:04.800: I/ff-log(19632): ffurl_alloc: file
    
11-20 12:17:04.800: I/ff-log(19632): ffurl_open: ܞ�f��f��f��f���flated/0/.project/videos/mac_video_tmp.mp4, 2
    
11-20 12:17:04.800: I/ff-log(19632): ffurl_alloc: ܞ�f��f��f��f���flated/0/.project/videos/mac_video_tmp.mp4, 2
    
11-20 12:17:04.800: I/ff-log(19632): ffurl_alloc: file
    
11-20 12:17:04.800: I/ff-log(19632): ffurl_open alloc: 0
    
11-20 12:17:04.800: I/ff-log(19632): ffurl_connect
    
11-20 12:17:04.800: I/ff-log(19632): ffurl_open connect: -2
    
11-20 12:17:04.800: I/ff-log(19632): ffurl_open FAIL
    
11-20 12:17:04.800: I/ff-log(19632): ܞ�f��f��f��f���flated/0/.project/videos/mac_video_tmp.mp4: No such file or directory

    ( CHARSER IS AS IT'S IN OUTPUT LOGCAT )

    3rd type :

    11-20 12:18:23.243: I/ff-log(19867):   libavutil      51. 46.100 / 51. 46.100
    
11-20 12:18:23.243: I/ff-log(19867):   libavcodec     54. 14.101 / 54. 14.101
    
11-20 12:18:23.243: I/ff-log(19867):   libavformat    54.  3.100 / 54.  3.100
    
11-20 12:18:23.243: I/ff-log(19867):   libavfilter     2. 70.100 /  2. 70.100
    
11-20 12:18:23.243: I/ff-log(19867):   libswscale      2.  1.100 /  2.  1.100
    
11-20 12:18:23.243: I/ff-log(19867):   libswresample   0. 11.100 /  0. 11.100
    
11-20 12:18:23.243: I/ff-log(19867): before parsing options
    
11-20 12:18:23.243: I/ff-log(19867): before parsing options
    
11-20 12:18:23.243: I/ff-log(19867): parse options
    
11-20 12:18:23.243: I/ff-log(19867): prepare app arguments !!! NOT defined(_WIN32) && !defined(__MINGW32CE__) !
    
11-20 12:18:23.243: I/ff-log(19867): after prepare app arguments
    
11-20 12:18:23.243: I/ff-log(19867): Unknown decoder '��f('
    
11-20 12:18:23.243: I/ff-log(19867): exit_program 1
    
11-20 12:18:23.243: I/ff-log(19867): exit_program 1
    
11-20 12:18:23.243: I/ff-log(19867): exit_program 2
    
11-20 12:18:23.253: A/libc(19867): @@@ ABORTING: invalid address or address of corrupt block 0x1d3422d passed to dlfree
    
11-20 12:18:23.253: A/libc(19867): Fatal signal 11 (SIGSEGV) at 0xdeadbaad (code=1), thread 20393 (AsyncTask #2)

    4th type :

    11-20 12:20:07.214: I/ff-log(20660):   libavutil      51. 46.100 / 51. 46.100
    
11-20 12:20:07.214: I/ff-log(20660):   libavcodec     54. 14.101 / 54. 14.101
    
11-20 12:20:07.214: I/ff-log(20660):   libavformat    54.  3.100 / 54.  3.100
    
11-20 12:20:07.214: I/ff-log(20660):   libavfilter     2. 70.100 /  2. 70.100
    
11-20 12:20:07.214: I/ff-log(20660):   libswscale      2.  1.100 /  2.  1.100
    
11-20 12:20:07.214: I/ff-log(20660):   libswresample   0. 11.100 /  0. 11.100
    
11-20 12:20:07.214: I/ff-log(20660): before parsing options
    
11-20 12:20:07.214: I/ff-log(20660): before parsing options
    
11-20 12:20:07.214: I/ff-log(20660): parse options
    
11-20 12:20:07.214: I/ff-log(20660): prepare app arguments !!! NOT defined(_WIN32) && !defined(__MINGW32CE__) !
    
11-20 12:20:07.214: I/ff-log(20660): after prepare app arguments
    
11-20 12:20:07.214: I/ff-log(20660): Unknown decoder ''
    
11-20 12:20:07.214: I/ff-log(20660): exit_program 1
    
11-20 12:20:07.214: A/libc(20660): Fatal signal 11 (SIGSEGV) at 0x2d007165 (code=1), thread 21017 (AsyncTask #2)

  • ffmpeg does not copy custom metadata

    20 juin 2015, par e110c0

    I’m trying to fix some videos made with an iDevice. The videos have a rotation in the metadata which is only understood by Apple and its software but noone else. Fixing this is quite simple, but I also would like to keep the other metadata in the files like the geolocation.

    I tried a couple of versions, all with the same result, e.g. :

    ffmpeg -i input.mov -vf vflip,hflip -map_metadata 0 -metadata:s:v:0 rotate=0  -acodec copy output.mp4

    This should work, it already gives the correct preview of metadata :

    ffmpeg version 1.1.2 Copyright (c) 2000-2013 the FFmpeg developers
    
built on Feb  8 2013 23:55:22 with Apple clang version 4.0 (tags/Apple/clang-421.0.60) (based on LLVM 3.1svn)
    
configuration: --prefix=/usr/local/Cellar/ffmpeg/1.1.2 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --cc=cc --host-cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid
    
libavutil      52. 13.100 / 52. 13.100
    
libavcodec     54. 86.100 / 54. 86.100
    
libavformat    54. 59.106 / 54. 59.106
    
libavdevice    54.  3.102 / 54.  3.102
    
libavfilter     3. 32.100 /  3. 32.100
    
libswscale      2.  1.103 /  2.  1.103
    
libswresample   0. 17.102 /  0. 17.102
    
libpostproc    52.  2.100 / 52.  2.100
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '2013-02-17 00.39.36.mov':
    
  Metadata:
    
    major_brand     : qt  
    
    minor_version   : 0
    
    compatible_brands: qt  
    
    creation_time   : 2013-02-16 23:39:25
    
    model           : iPhone 5
    
    model-deu       : iPhone 5
    
    encoder         : 6.1
    
    encoder-deu     : 6.1
    
    date            : 2013-02-17T00:39:25+0100
    
    date-deu        : 2013-02-17T00:39:25+0100
    
    location        : +48.2683+007.7205+172.710/
    
    location-deu    : +48.2683+007.7205+172.710/
    
    make            : Apple
    
    make-deu        : Apple
    
  Duration: 00:00:09.67, start: 0.000000, bitrate: 16764 kb/s
    
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080, 16696 kb/s, 24 fps, 24 tbr, 600 tbn, 1200 tbc
    
    Metadata:
    
      rotate          : 180
    
      creation_time   : 2013-02-16 23:39:25
    
      handler_name    : Core Media Data Handler
    
    Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 61 kb/s
    
    Metadata:
    
      creation_time   : 2013-02-16 23:39:25
    
      handler_name    : Core Media Data Handler
    
w:1920 h:1080 pixfmt:yuv420p tb:1/600 fr:24/1 sar:0/1 sws_param:flags=2
    
[libx264 @ 0x7fc248829a00] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 AVX
    
[libx264 @ 0x7fc248829a00] profile High, level 4.0
    
[libx264 @ 0x7fc248829a00] 264 - core 125 - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 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=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=24 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
    

    
Output #0, mp4, to 'output.mp4':
    
Metadata:
    
  major_brand     : qt  
    
  minor_version   : 0
    
  compatible_brands: qt  
    
  creation_time   : 2013-02-16 23:39:25
    
  model           : iPhone 5
    
  model-deu       : iPhone 5
    
  encoder-deu     : 6.1
    
  date            : 2013-02-17T00:39:25+0100
    
  date-deu        : 2013-02-17T00:39:25+0100
    
  location        : +48.2683+007.7205+172.710/
    
  location-deu    : +48.2683+007.7205+172.710/
    
  make            : Apple
    
  make-deu        : Apple
    
  encoder         : Lavf54.59.106
    
Stream #0:0(und): Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 1920x1080, q=-1--1, 12288 tbn, 24 tbc
    
Metadata:
    
  handler_name    : Core Media Data Handler
    
  creation_time   : 2013-02-16 23:39:25
    
  rotate          : 0
    
Stream #0:1(und): Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, mono, 61 kb/s
    
Metadata:
    
  creation_time   : 2013-02-16 23:39:25
    
  handler_name    : Core Media Data Handler
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (h264 -> libx264)
    
  Stream #0:1 -> #0:1 (copy)

    But the resulting file keeps only some of these metadata tags :

    ffmpeg -i output.mp4

    shows :

    fmpeg version 1.1.2 Copyright (c) 2000-2013 the FFmpeg developers
    
  built on Feb  8 2013 23:55:22 with Apple clang version 4.0 (tags/Apple/clang-421.0.60) (based on LLVM 3.1svn)
    
configuration: --prefix=/usr/local/Cellar/ffmpeg/1.1.2 --enable-shared --enable-pthreads -  -enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --cc=cc --host-cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid
    
libavutil      52. 13.100 / 52. 13.100
    
libavcodec     54. 86.100 / 54. 86.100
    
libavformat    54. 59.106 / 54. 59.106
    
libavdevice    54.  3.102 / 54.  3.102
    
libavfilter     3. 32.100 /  3. 32.100
    
libswscale      2.  1.103 /  2.  1.103
    
libswresample   0. 17.102 /  0. 17.102
    
libpostproc    52.  2.100 / 52.  2.100
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test.mp4':
    
Metadata:
    
  major_brand     : isom
    
  minor_version   : 512
    
  compatible_brands: isomiso2mp41
    
  creation_time   : 2013-02-16 23:39:25
    
  date            : 2013-02-17T00:39:25+0100
    
  encoder         : Lavf54.59.106
    
Duration: 00:00:09.67, start: 0.000000, bitrate: 3286 kb/s
    
  Stream #0:0(und): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 3219 kb/s, 24 fps, 24 tbr, 12288 tbn, 24 tbc
    
  Metadata:
    
    creation_time   : 2013-02-16 23:39:25
    
    handler_name    : VideoHandler
    
  Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 61 kb/s
    
  Metadata:
    
    creation_time   : 2013-02-16 23:39:25
    
    handler_name    : SoundHandler

    I also tried to add the one tag I’m interested in by hand with

    -metadata:g location=+48.2683+007.7205+172.710/

    with no change in the result.

    Output as .mov doesn’t change anything, neither.

    Is there any trick to add non-standard metadata ? How do I get the location back in there ?

    Thanks in advance to anyone who can give some insight on this.

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