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• How can I add custom metadata to an MXF using FFMPEG ?

  15 septembre 2021, par Zak44

  I am trying to add custom metadata to an MXF in FFMPEG. I can get the syntax to go through and then my metadata to be listed during the command output, but when I later run FFMPEG on the file to check the metadata is not there. Only the material_package_name will stick. Is this not possible with MXF ?

  


  Command :

  


  ffmpeg -i Test.mp4 -vf scale=1920:1080 -an -metadata project="TEST PROJECT" -metadata comment="Test Comment" -metadata artist="Test" -metadata material_package_name="TEST VID CLIP" -b:v 36M -f mxf_opatom "TEST_VID_CLIP.mxf"


  


  Output from command :

  


      Output #0, mxf_opatom, to 'TEST_VID_CLIP.mxf':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42mp41
    project         : TEST PROJECT
    comment         : Test Comment
    artist          : Test
    material_package_name: TEST VID CLIP
    encoder         : Lavf58.76.100
  Stream #0:0(eng): Video: dnxhd (DNXHD), yuv422p(tv, progressive), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 36000 kb/s, 24 fps, 24 tbn (default)
    Metadata:
      creation_time   : 2021-07-01T17:19:54.000000Z
      handler_name    : ?Mainconcept Video Media Handler
      vendor_id       : [0][0][0][0]
      encoder         : Lavc58.134.100 dnxhd


  


  Output running a check on file :

  


  ffmpeg -i TEST_VID_CLIP.mxf 
Input #0, mxf, from 'TEST_VID_CLIP.mxf':
  Metadata:
    operational_pattern_ul: 060e2b34.04010102.0d010201.10030000
    uid             : adab4424-2f25-4dc7-92ff-29bd000c0000
    generation_uid  : adab4424-2f25-4dc7-92ff-29bd000c0001
    company_name    : FFmpeg
    product_name    : OPAtom Muxer
    product_version_num: 58.76.100.0.0
    product_version : 58.76.100
    application_platform: Lavf (darwin)
    product_uid     : adab4424-2f25-4dc7-92ff-29bd000c0002
    toolkit_version_num: 58.76.100.0.0
    material_package_umid: 0x060A2B340101010501010D00136428C052947134A46428C00052947134A46400
    material_package_name: TEST VID CLIP
    timecode        : 00:00:00:00
  Duration: 00:01:05.71, start: 0.000000, bitrate: 36176 kb/s
  Stream #0:0: Video: dnxhd (DNXHD), yuv422p(tv, bt709/unknown/unknown, progressive), 1920x1080, SAR 1:1 DAR 16:9, 24 fps, 24 tbr, 24 tbn, 24 tbc
    Metadata:
      file_package_umid: 0x060A2B340101010501010D00136428C052947134A46428C00052947134A46401
At least one output file must be specified


  


• ffmpeg - Audio Issues with TS File

  5 décembre 2020, par MeaningOfLife

  I am new to the world of ffmpeg, so I apologize in advance if this is a stupid question or request.

  


  I'm in the process of trying to convert a .ts file to a h264/mp4. I was able to successfully convert the video, however whenever I go to play the output file, the audio is weird. Most of the audio is only coming through the left channel. I noticed that the audio has multiple channels - 6 to be exact. And there are two audio streams as well. I'm assuming that this has something to do with it, but I am not sure what exactly to put in the command line to fix it.

  


  I was hoping there would be a way to copy the video stream from the mp4 I had already made with ffmpeg, and then replace the audio from that mp4 with the audio from the source ts file - preferably mixed down into regular stereo audio. It is quite a big file, so I would like to not have to convert the video stream again if I don't have to.

  


  Here is the media information from the source video.

  


  General
ID : 1 (0x1)
Complete name : D:\88th Annual Christmas in Rockefeller Center.ts
Format : MPEG-TS
File size : 9.80 GiB
Duration : 2 h 7 min
Overall bit rate mode : Variable
Overall bit rate : 11.0 Mb/s
Law rating : None

Video
ID : 101 (0x65)
Menu ID : 1 (0x1)
Format : MPEG Video
Format version : Version 2
Format profile : Main@High
Format settings : BVOP
Format settings, BVOP : Yes
Format settings, Matrix : Default
Format settings, GOP : Variable
Format settings, picture structure : Frame
Codec ID : 2
Duration : 2 h 7 min
Bit rate mode : Variable
Bit rate : 9 851 kb/s
Maximum bit rate : 80.0 Mb/s
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Active Format Description : Full frame 16:9 image
Frame rate : 29.970 (30000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Interlaced
Scan order : Top Field First
Compression mode : Lossy
Bits/(Pixel*Frame) : 0.159
Time code of first frame : 00:00:00;00
Time code source : Group of pictures header
Stream size : 8.80 GiB (90%)

Audio #1
ID : 102 (0x66)
Menu ID : 1 (0x1)
Format : AC-3
Format/Info : Audio Coding 3
Commercial name : Dolby Digital
Codec ID : 129
Duration : 2 h 7 min
Bit rate mode : Constant
Bit rate : 384 kb/s
Channel(s) : 6 channels
Channel layout : L R C LFE Ls Rs
Sampling rate : 48.0 kHz
Frame rate : 31.250 FPS (1536 SPF)
Compression mode : Lossy
Delay relative to video : 32 ms
Stream size : 351 MiB (3%)
Language : English
Service kind : Complete Main

Audio #2
ID : 7543 (0x1D77)
Menu ID : 1 (0x1)
Format : AC-3
Format/Info : Audio Coding 3
Commercial name : Dolby Digital
Codec ID : 129
Duration : 2 h 7 min
Bit rate mode : Constant
Bit rate : 192 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Frame rate : 31.250 FPS (1536 SPF)
Compression mode : Lossy
Delay relative to video : 11 ms
Stream size : 176 MiB (2%)
Language : Spanish
Service kind : Complete Main

Text #1
ID : 101 (0x65)-CC1
Menu ID : 1 (0x1)
Format : EIA-608
Muxing mode : A/53 / DTVCC Transport
Muxing mode, more info : Muxed in Video #1
Duration : 2 h 7 min
Bit rate mode : Constant
Stream size : 0.00 Byte (0%)
CaptionServiceName : CC1

Text #2
ID : 101 (0x65)-1
Menu ID : 1 (0x1)
Format : EIA-708
Muxing mode : A/53 / DTVCC Transport
Muxing mode, more info : Muxed in Video #1
Duration : 2 h 7 min
Bit rate mode : Constant
Stream size : 0.00 Byte (0%)


  


• Anomalie #2065 : Liste de travaux - page vide

  4 mai 2011, par Teddy Payet

  Le titre de la page (ainsi que dans le menu) est "Liste de travaux". Ça ne serait pas mieux "Liste des travaux" ("des" à la place "de").