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Sur d’autres sites (7628)

  • Cut video command producing only audio

    12 février 2018, par Sandeep

    I am using ffmpeg in Android app and my command code looks like :

          final String[] command=new String[]{"-i",inputFileName , "-ss",
    
 String.valueOf(duration) , "-codec","copy", "-t",String.valueOf(start) , outputFileName};

    The logcat contains following ffmpeg output which shows video as 0kB in last line. Where should I look for fixing this because the final output file is a mp4 file but the video content is missing and only audio is present for the trimmed duration :

    02-12 17:22:43.837 25335-25335/service D/FFmpeg: Started command : ffmpeg ffmpeg version n3.4.1 Copyright (c) 2000-2017 the FFmpeg developers
    
02-12 17:22:43.837 25335-25335/service D/FFmpeg: Started command : ffmpeg   built with gcc 4.9.x (GCC) 20150123 (prerelease)
    
02-12 17:22:43.837 25335-25335/service D/FFmpeg: Started command : ffmpeg   configuration: --target-os=linux --cross-prefix=/root/bravobit/ffmpeg-android/toolchain-android/bin/i686-linux-android- --arch=x86 --cpu=i686 --enable-runtime-cpudetect --sysroot=/root/bravobit/ffmpeg-android/toolchain-android/sysroot --disable-asm --enable-pic --enable-libx264 --enable-libfreetype --enable-libmp3lame --enable-libvorbis --enable-libvpx --enable-libopus --enable-pthreads --disable-debug --disable-ffserver --enable-version3 --enable-hardcoded-tables --disable-ffplay --disable-linux-perf --disable-doc --disable-shared --enable-static --enable-runtime-cpudetect --enable-nonfree --enable-network --enable-avresample --enable-avformat --enable-avcodec --enable-indev=lavfi --enable-hwaccels --enable-ffmpeg --enable-zlib --enable-gpl --enable-small --disable-asm --pkg-config=/root/bravobit/ffmpeg-android/ffmpeg-pkg-config --prefix=/root/bravobit/ffmpeg-android/build/x86 --extra-cflags='-I/root/bravobit/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all -march=i686' --extra-ldflags='-L/root/bravobit/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-cxxflags= --extra-libs='-lpng -lx264 -lm -logg'
    
02-12 17:22:43.837 25335-25335/service D/FFmpeg: Started command : ffmpeg   libavutil      55. 78.100 / 55. 78.100
    
02-12 17:22:43.837 25335-25335/service D/FFmpeg: Started command : ffmpeg   libavcodec     57.107.100 / 57.107.100
    
02-12 17:22:43.837 25335-25335/service D/FFmpeg: Started command : ffmpeg   libavformat    57. 83.100 / 57. 83.100
    
02-12 17:22:43.837 25335-25335/service D/FFmpeg: Started command : ffmpeg   libavdevice    57. 10.100 / 57. 10.100
    
02-12 17:22:43.837 25335-25335/service D/FFmpeg: Started command : ffmpeg   libavfilter     6.107.100 /  6.107.100
    
02-12 17:22:43.838 25335-25335/service D/FFmpeg: Started command : ffmpeg   libavresample   3.  7.  0 /  3.  7.  0
    
02-12 17:22:43.838 25335-25335/service D/FFmpeg: Started command : ffmpeg   libswscale      4.  8.100 /  4.  8.100
    
02-12 17:22:43.838 25335-25335/service D/FFmpeg: Started command : ffmpeg   libswresample   2.  9.100 /  2.  9.100
    
02-12 17:22:43.838 25335-25335/service D/FFmpeg: Started command : ffmpeg   libpostproc    54.  7.100 / 54.  7.100
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/storage/emulated/0/DCIM/SampleVideo_1280x720_1mb.mp4':
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg   Metadata:
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg     major_brand     : isom
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg     minor_version   : 512
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg     compatible_brands: isomiso2avc1mp41
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg     creation_time   : 1970-01-01T00:00:00.000000Z
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg     encoder         : Lavf53.24.2
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg   Duration: 00:00:05.31, start: 0.000000, bitrate: 1589 kb/s
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg     Stream #0:0(und): Video: h264 (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 1205 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg     Metadata:
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg       creation_time   : 1970-01-01T00:00:00.000000Z
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg       handler_name    : VideoHandler
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg     Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 48000 Hz, 5.1, fltp, 384 kb/s (default)
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg     Metadata:
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg       creation_time   : 1970-01-01T00:00:00.000000Z
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg       handler_name    : SoundHandler
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg Output #0, mp4, to '/storage/emulated/0/VideoTriming/20180212_172243SampleVideo_1280x720_1mb.mp4':
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg   Metadata:
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg     major_brand     : isom
    
02-12 17:22:43.902 25335-25335/service D/FFmpeg: Started command : ffmpeg     minor_version   : 512
    
02-12 17:22:43.903 25335-25335/service D/FFmpeg: Started command : ffmpeg     compatible_brands: isomiso2avc1mp41
    
02-12 17:22:43.903 25335-25335/service D/FFmpeg: Started command : ffmpeg     encoder         : Lavf57.83.100
    
02-12 17:22:43.903 25335-25335/service D/FFmpeg: Started command : ffmpeg     Stream #0:0(und): Video: h264 (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 1205 kb/s, 25 fps, 25 tbr, 12800 tbn, 12800 tbc (default)
    
02-12 17:22:43.903 25335-25335/service D/FFmpeg: Started command : ffmpeg     Metadata:
    
02-12 17:22:43.903 25335-25335/service D/FFmpeg: Started command : ffmpeg       creation_time   : 1970-01-01T00:00:00.000000Z
    
02-12 17:22:43.903 25335-25335/service D/FFmpeg: Started command : ffmpeg       handler_name    : VideoHandler
    
02-12 17:22:43.903 25335-25335/service D/FFmpeg: Started command : ffmpeg     Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 48000 Hz, 5.1, fltp, 384 kb/s (default)
    
02-12 17:22:43.903 25335-25335/service D/FFmpeg: Started command : ffmpeg     Metadata:
    
02-12 17:22:43.903 25335-25335/service D/FFmpeg: Started command : ffmpeg       creation_time   : 1970-01-01T00:00:00.000000Z
    
02-12 17:22:43.903 25335-25335/service D/FFmpeg: Started command : ffmpeg       handler_name    : SoundHandler
    
02-12 17:22:43.903 25335-25335/service D/FFmpeg: Started command : ffmpeg Stream mapping:
    
02-12 17:22:43.903 25335-25335/service D/FFmpeg: Started command : ffmpeg   Stream #0:0 -> #0:0 (copy)
    
02-12 17:22:43.903 25335-25335/service D/FFmpeg: Started command : ffmpeg   Stream #0:1 -> #0:1 (copy)
    
02-12 17:22:43.903 25335-25335/service D/FFmpeg: Started command : ffmpeg Press [q] to stop, [?] for help
    
02-12 17:22:43.910 25335-25335/service D/FFmpeg: Started command : ffmpeg frame=    0 fps=0.0 q=-1.0 Lsize=      46kB time=00:00:00.98 bitrate= 387.1kbits/s speed= 115x    
    
02-12 17:22:43.910 25335-25335/service D/FFmpeg: Started command : ffmpeg video:0kB audio:46kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 2.145508%

    My input file is the first 1MB mp4 sample video downloaded from following website :

    http://www.sample-videos.com/

  • ffmpeg first segment does not have audio

    5 mars 2018, par Giorgi Peikrishvili

    I’m recording http stream using ffmpeg. Here is my command :

    ffmpeg -i https://tv-tbs-silk-front 1.adjara.com/4w/rustavi2hd/index.m3u8\?token\=376d9f864d81c7f85410ac5d3d0bde3dd6574daf-Hog86dAubE-1522939917-1520175117 -c copy -map 0 -bsf:a aac_adtstoasc -flags +global_header -f segment -segment_time 10 -force_key_frames 10 -segment_format_options movflags=+faststart -reset_timestamps 1 -strftime 1 %Y-%m-%d_%H-%M-%S.mov

    It makes segments as should be, but the only first segment does not have sound, others does.
    Any ideas about that ?

    Update as suggested in comments :
    Here is full output

    ffmpeg -i  -c copy -map 0 -g 10 -bsf:a aac_adtstoasc -flags 
    
+global_header -f segment -segment_time 10 -force_key_frames 10 -
    
segment_format_options movflags=+faststart -reset_timestamps 1 -
    
strftime 1 %Y-%m-%d_%H-%M-%S.mov
    
ffmpeg version 3.2.4 Copyright (c) 2000-2017 the FFmpeg developers 
    
built with Apple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM 
    
3.6.0svn) configuration: --prefix=/Users/Cipusha/anaconda2 
    
--disable-doc --enable-shared --enable-static --extra-cflags='-Wall -g 
    
-m64 -pipe -O3 -march=x86-64 -fPIC -I/Users/Cipusha/anaconda2/include' 
    
--extra-cxxflags='=-Wall -g -m64 -pipe -O3 -march=x86-64 -fPIC' --
    
extra-libs='-L/Users/Cipusha/anaconda2/lib -lz' --enable-pic --enable-
    
gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --
    
enable-libx264
    

    
  libavutil      55. 34.101 / 55. 34.101
    
  libavcodec     57. 64.101 / 57. 64.101
    
  libavformat    57. 56.101 / 57. 56.101
    
  libavdevice    57.  1.100 / 57.  1.100
    
  libavfilter     6. 65.100 /  6. 65.100
    
  libavresample   3.  1.  0 /  3.  1.  0
    
  libswscale      4.  2.100 /  4.  2.100
    
  libswresample   2.  3.100 /  2.  3.100
    
  libpostproc    54.  1.100 / 54.  1.100
    

    
Input #0, hls,applehttp, from 'https://tv-tbs-silk-front-
    
1.adjara.com/4w/rustavi2hd/index.m3u8?
    
token=376d9f864d81c7f85410ac5d3d0bde3dd6574daf-Hog86dAubE-1522939917-
    
1520175117':
    
Duration: N/A, start: 58671.490378, bitrate: N/A
    
  Program 0 
    
    Metadata:
    
      variant_bitrate : 2953271
    
    Stream #0:0: Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz, 
    
stereo, fltp
    
Metadata:
    
      variant_bitrate : 2953271
    
    Stream #0:1: Video: h264 (Main) ([27][0][0][0] / 0x001B), yuv420p, 
    
720x576 [SAR 1:1 DAR 5:4], 25 fps, 25 tbr, 90k tbn, 50 tbc
    
    Metadata:
    
       variant_bitrate : 2953271
    
Output #0, segment, to '%Y-%m-%d_%H-%M-%S.mov':
    
  Metadata:
    
    encoder         : Lavf57.56.101
    
    Stream #0:0: Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz, 
    
stereo
    
    Metadata:
    
      variant_bitrate : 2953271
    
    Stream #0:1: Video: h264 (Main) ([27][0][0][0] / 0x001B), yuv420p, 
    
720x576 [SAR 1:1 DAR 5:4], q=2-31, 25 fps, 25 tbr, 12800 tbn, 25 tbc
    
    Metadata:
    
      variant_bitrate : 2953271
    
Stream mapping:
    
      Stream #0:0 -> #0:0 (copy)
    
      Stream #0:1 -> #0:1 (copy)
    
Press [q] to stop, [?] for help
    
[mov @ 0x7f9c97018e00] Starting second pass: moving the moov atom to the beginning of the file
    
[mov @ 0x7f9c96803200] Starting second pass: moving the moov atom to the beginning of the file
    
[mov @ 0x7f9c98000000] Starting second pass: moving the moov atom to the beginning of the file
    
frame=  581 fps= 38 q=-1.0 Lsize=N/A time=00:00:23.20 bitrate=N/A speed= 1.5x

    Thank you very much

  • How to swap package configuration for environment

    24 juillet 2018, par Finn Maunsell

    I’d like to change the location that I get ffmpeg from for my anaconda environment. The problem has occured because I want to use the ffmpeg configuration for my base system instead of the configuration meant for the environment.

    If I use ffmpeg in ubuntu bash then I get this for my active environment :

      ffmpeg version N-91510-gd134b8d Copyright (c) 2000-2018 the FFmpeg developers
    
  built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.10) 20160609
    
  configuration: --prefix=/home/notebook/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/home/notebook/ffmpeg_build/include --extra-ldflags=-L/home/notebook/ffmpeg_build/lib --extra-libs='-lpthread -lm' --bindir=/home/notebook/bin --enable-gpl --enable-libaom --enable-openssl --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-nonfree

    and for non-environment :

    ffmpeg version 3.4.1 Copyright (c) 2000-2017 the FFmpeg developers
    
  built with gcc 4.8.2 (GCC) 20140120 (Red Hat 4.8.2-15)
    
  configuration: --prefix=/home/notebook/anaconda2/envs/tensorflow --disable-doc --enable-shared --enable-static --extra-cflags='-Wall -g -m64 -pipe -O3 -march=x86-64 -fPIC -I/home/notebook/anaconda2/envs/tensorflow/include' --extra-cxxflags='=-Wall -g -m64 -pipe -O3 -march=x86-64 -fPIC' --extra-libs=
    
'-L/home/notebook/anaconda2/envs/tensorflow/lib -lz' --enable-pic --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --enable-libx264

    Solving this will allow me to use the 2nd ffmpeg installation in my conda environment.

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