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• FFmpeg - Merge two images (.png) to video (.mp4) doesn't work

  12 juin 2019, par Jokoe

  I want to merge two images (names are not numbered in a sequence) to a video, but the result includes only a video of the first image.

  I would appreciate any kind of help !

  ffmpeg.exe -r 1/5 -i image_x.png -r 1/5 -i image_y.png -codec:v libx264 -vf fps=50 video.mp4

  Output :

  Input #0, png_pipe, from
  ’C :\Users\khj\Desktop\SpeakerLayoutTool\Images_video\iamge_x.png’ :
  Duration : N/A, bitrate : N/A
  Stream #0:0 : Video : png, rgba(pc), 3840x2160, 25 tbr, 25 tbn, 25 tbc Input #1, png_pipe, from
  ’C :\Users\khj\Desktop\SpeakerLayoutTool\Images_video\image_y.png’ :
  Duration : N/A, bitrate : N/A
  Stream #1:0 : Video : png, rgba(pc), 3840x2160, 25 tbr, 25 tbn, 25 tbc File ’C :\Users\khj\Desktop\SpeakerLayoutTool\video.mp4’ already
  exists. Overwrite ? [y/N] y Stream mapping : Stream #0:0 -> #0:0 (png
  (native) -> h264 (libx264)) Press [q] to stop, [?] for help [libx264 @
  0000016c2a46e000] using cpu capabilities : MMX2 SSE2Fast SSSE3 SSE4.2
  AVX FMA3 BMI2 AVX2 [libx264 @ 0000016c2a46e000] profile High 4:4:4
  Predictive, level 5.2, 4:4:4, 8-bit [libx264 @ 0000016c2a46e000] 264 -
  core 157 r2970 5493be8 - H.264/MPEG-4 AVC codec - Copyleft 2003-2019 -
  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=4 threads=12
  lookahead_threads=2 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=25 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
  ’C :\Users\khj\Desktop\SpeakerLayoutTool\video.mp4’ : Metadata :
  encoder : Lavf58.27.103
  Stream #0:0 : Video : h264 (libx264) (avc1 / 0x31637661), yuv444p, 3840x2160, q=-1—1, 50 fps, 12800 tbn, 50 tbc
  Metadata :
  encoder : Lavc58.52.100 libx264
  Side data :
  cpb : bitrate max/min/avg : 0/0/0 buffer size : 0 vbv_delay : -1 frame= 250 fps= 22 q=-1.0 Lsize= 162kB time=00:00:04.94 bitrate=
  268.1kbits/s speed=0.444x

• Converting 2-channel .mov file to .mp3 with ffmpeg

  29 mai 2019, par Josh Earl

  I use Skype Call Recorder to record Skype interviews. The app saves files in .mov format, with 2 audio channels.

  When I submit these files for transcription, they always come back with just one channel transcribed.

  I need to 1.) merge the tracks, and 2.) convert the .mov file to .mp3 format.

  Right now the command I’m working with is :

  ffmpeg -i input.mov -map 0:a output.mp3

  I get the following errors :

   Invalid audio stream. Exactly one MP3 audio stream is required.
  
   Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument

  What am I missing ?

  Here’s the full console output, if it helps :

  ffmpeg version 2.6.2 Copyright (c) 2000-2015 the FFmpeg developers
  
    built with Apple LLVM version 6.1.0 (clang-602.0.49) (based on LLVM 3.6.0svn)
  
    configuration: --prefix=/usr/local/Cellar/ffmpeg/2.6.2 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc --enable-libxvid --enable-vda
  
    libavutil      54. 20.100 / 54. 20.100
  
    libavcodec     56. 26.100 / 56. 26.100
  
    libavformat    56. 25.101 / 56. 25.101
  
    libavdevice    56.  4.100 / 56.  4.100
  
    libavfilter     5. 11.102 /  5. 11.102
  
    libavresample   2.  1.  0 /  2.  1.  0
  
    libswscale      3.  1.101 /  3.  1.101
  
    libswresample   1.  1.100 /  1.  1.100
  
    libpostproc    53.  3.100 / 53.  3.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'input.mov':
  
    Metadata:
  
      major_brand     : qt
  
      minor_version   : 537199360
  
      compatible_brands: qt
  
      creation_time   : 2019-05-18 15:00:59
  
    Duration: 00:11:41.82, start: 0.000000, bitrate: 120 kb/s
  
      Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 58 kb/s (default)
  
      Metadata:
  
        creation_time   : 2019-05-18 15:00:59
  
        handler_name    : Apple Alias Data Handler
  
      Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 58 kb/s (default)
  
      Metadata:
  
        creation_time   : 2019-05-18 15:00:59
  
        handler_name    : Apple Alias Data Handler
  
  [mp3 @ 0x7fd8b1003c00] Invalid audio stream. Exactly one MP3 audio stream is required.
  
  Output #0, mp3, to 'output.mp3':
  
    Metadata:
  
      major_brand     : qt
  
      minor_version   : 537199360
  
      compatible_brands: qt
  
      encoder         : Lavf56.25.101
  
      Stream #0:0(eng): Audio: mp3 (libmp3lame), 44100 Hz, mono, fltp (default)
  
      Metadata:
  
        creation_time   : 2019-05-18 15:00:59
  
        handler_name    : Apple Alias Data Handler
  
        encoder         : Lavc56.26.100 libmp3lame
  
      Stream #0:1(eng): Audio: mp3 (libmp3lame), 44100 Hz, mono, fltp (default)
  
      Metadata:
  
        creation_time   : 2019-05-18 15:00:59
  
        handler_name    : Apple Alias Data Handler
  
        encoder         : Lavc56.26.100 libmp3lame
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (aac (native) -> mp3 (libmp3lame))
  
    Stream #0:1 -> #0:1 (aac (native) -> mp3 (libmp3lame))
  
  Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument

• FFMPEG | How to attach a path URL for .ts chunks in m3u8 ?

  29 mai 2019, par mendy25

  What I need to do is to add a full path address inside the m3u8 for each .ts

  How to do it please ?

  Example :

  #EXTM3U
  
  #EXT-X-VERSION:3
  
  #EXT-X-TARGETDURATION:10
  
  #EXT-X-MEDIA-SEQUENCE:0
  
  #EXTINF:10.000000,
  
  http://...com/tsfiles/2019-05-29_12:40:41.ts
  
  #EXTINF:10.000000,
  
  http://...com/tsfiles/2019-05-29_12:40:45.ts
  
  #EXTINF:10.000000,
  
  http://...com/tsfiles/2019-05-29_12:40:51.ts

  The result / command right now :

  ffmpeg -y -user_agent 'VLC/2.1.4 LibVLC/2.1.4' -i *** -strftime 1 -strftime_mkdir 1 -force_key_frames expr:'gte(t,n_forced*10)' -hls_time 10 -hls_segment_filename /var/www/html/tsfiles/%Y-%m-%d_%H:%M:%S.ts /var/www/html/m3u8files/stream.m3u8
  
  
  
  
  
  #EXTM3U
  
  #EXT-X-VERSION:3
  
  #EXT-X-TARGETDURATION:10
  
  #EXT-X-MEDIA-SEQUENCE:0
  
  #EXTINF:10.000000,
  
  /var/www/html/tsfiles/2019-05-29_12:40:41.ts
  
  #EXTINF:10.000000,
  
  /var/www/html/tsfiles/2019-05-29_12:40:45.ts
  
  #EXTINF:10.000000,
  
  /var/www/html/tsfiles/2019-05-29_12:40:51.ts