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• ffmpeg duration is not accurate at the result [closed]

  22 octobre 2020, par Veno

  I Got this from Here ! Superuser Example

  


  ffmpeg -f concat -safe 0 -i file.txt -codec copy test.mp4


  


  The Error am Getting is

  


  [...]
[mp4 @ 0x561235967b00] Non-monotonous DTS in output stream 0:0; previous: 479243642, current: 1580032; changing to 479243643. This may result in incorrect timestamps in the output file.
[mp4 @ 0x561235967b00] Non-monotonous DTS in output stream 0:0; previous: 479243643, current: 1580544; changing to 479243644. This may result in incorrect timestamps in the output file.
[mp4 @ 0x561235967b00] Non-monotonous DTS in output stream 0:0; previous: 479243644, current: 1581056; changing to 479243645. This may result in incorrect timestamps in the output file.
[mp4 @ 0x561235967b00] Non-monotonous DTS in output stream 0:0; previous: 479243645, current: 1581568; changing to 479243646. This may result in incorrect timestamps in the output file.
[mp4 @ 0x561235967b00] Non-monotonous DTS in output stream 0:0; previous: 479243646, current: 1582080; changing to 479243647. This may result in incorrect timestamps in the output file.
[mp4 @ 0x561235967b00] Non-monotonous DTS in output stream 0:0; previous: 479243647, current: 1582592; changing to 479243648. This may result in incorrect timestamps in the output file.
[mp4 @ 0x561235967b00] Non-monotonous DTS in output stream 0:0; previous: 479243648, current: 1583104; changing to 479243649. This may result in incorrect timestamps in the output file.
[mp4 @ 0x561235967b00] Non-monotonous DTS in output stream 0:0; previous: 479243649, current: 1583616; changing to 479243650. This may result in incorrect timestamps in the output file.
[mp4 @ 0x561235967b00] Non-monotonous DTS in output stream 0:0; previous: 479243650, current: 1584128; changing to 479243651. This may result in incorrect timestamps in the output file.
[mp4 @ 0x561235967b00] Non-monotonous DTS in output stream 0:0; previous: 479243651, current: 1584640; changing to 479243652. This may result in incorrect timestamps in the output file.
[mp4 @ 0x561235967b00] Non-monotonous DTS in output stream 0:0; previous: 479243652, current: 1585152; changing to 479243653. This may result in incorrect timestamps in the output file.
[...]


  


  Text File Content

  


  file '/home/user/video/Sample01.mp4'
file '/home/user/video/Sample02.mp4'
file '/home/user/video/Sample03.mp4'
file '/home/user/video/Sample04.mp4'
file '/home/user/video/Sample05.mp4'


  


• ffmpeg sometimes not working for splitted videos-moov atom not found

  19 novembre 2018, par varmashrivastava

  I am using below command to reverse video-

  {"-i", files[i].getAbsolutePath(), "-vf", "reverse", "-af", "areverse", dest.getAbsolutePath()};

  I occasionally gets below error-

  ffmpeg version n3.0.1 Copyright (c) 2000-2016 the FFmpeg developers\n
  built with gcc 4.8 (GCC)\n configuration : —target-os=linux
  —cross-prefix=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi-
  —arch=arm —cpu=cortex-a8 —enable-runtime-cpudetect —sysroot=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/sysroot
  —enable-pic —enable-libx264 —enable-libass —enable-libfreetype —enable-libfribidi —enable-libmp3lame —enable-fontconfig —enable-pthreads —disable-debug —disable-ffserver —enable-version3 —enable-hardcoded-tables —disable-ffplay —disable-ffprobe —enable-gpl —enable-yasm —disable-doc —disable-shared —enable-static —pkg-config=/home/vagrant/SourceCode/ffmpeg-android/ffmpeg-pkg-config —prefix=/home/vagrant/SourceCode/ffmpeg-android/build/armeabi-v7a —extra-cflags=’-I/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/include
  -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all’ —extra-ldflags=’-L/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/lib
  -Wl,-z,relro -Wl,-z,now -pie’ —extra-libs=’-lpng -lexpat -lm’ —extra-cxxflags=\n libavutil 55. 17.103 / 55. 17.103\n libavcodec 57. 24.102 / 57. 24.102\n libavformat 57. 25.100 /
  57. 25.100\n libavdevice 57. 0.101 / 57. 0.101\n libavfilter 6. 31.100 / 6. 31.100\n libswscale 4. 0.100 / 4. 0.100\n libswresample 2. 0.101 / 2. 0.101\n libpostproc 54. 0.100 /
  54. 0.100\n[mov,mp4,m4a,3gp,3g2,mj2 @ 0xec427000] moov atom not found\n/storage/emulated/0/Movies/.VideoSplit/split_video010.mp4 :
  Invalid data found when processing input

  By what i have researched-

  moov atom is a container for the information that describes a movie’s
  data...Generally speaking, only metadata is stored in a movie atom.
  Sample data for the movie, such as audio or video samples, are
  referenced in the movie atom, but are not contained in it.

  The videos which I am reversing are splitted videos from a main video which I have splitted using below command-

  { "-i", inputFilePath, "-c:v", "libx264", "-crf", "22", "-map", "0", "-segment_time", "6", "-g", "9", "-sc_threshold", "0", "-force_key_frames", "expr:gte(t,n_forced*6)", "-f", "segment", outputFilePath};

  How can i resolve this error ?

• ffmpeg Permission denied on java

  3 mai 2018, par dijo francis

  Getting an error :

  "java.io.IOException: Cannot run program
  
  "/home/dijo/ffmpeg_sources/ffmpeg": error=13, Permission denied"

  When I use

  FFmpeg ffmpeg = new FFmpeg("/home/dijo/ffmpeg_sources/ffmpeg") 

  Does anyone know how to solve this ?