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  • FFmpeg adding 0.05 seconds of silence to transcoded AAC file ?

    29 octobre 2015, par FTLRalph

    In Java, I’m using FFmpeg to convert a WAV file to AAC with the function :

    -i input.wav -ac 1 -ab 64000 -ar 22050 output.aac

    When I open these two files in Audacity, I can clearly see that the AAC file is 0.05 seconds longer, with 0.05 seconds of silence added to the beginning.

    This is an issue when I try to mux this AAC file with a video file - the audio doesn’t sync up.

    Is there some sort of parameter to prevent this behavior or another way to get around this issue ?

    Edit - Console output while running the function :

    10-28 17:47:10.845: I/System.out(14784): FFmpeg: Running the function: -i "input.wav" -ac 1 -ab 64000 -ar 22050 "output.aac"
    
10-28 17:47:10.845: I/System.out(14784): FFmpeg function: onStart()
    
10-28 17:47:10.865: D/FFmpeg(14784): Running publishing updates method
    
10-28 17:47:10.865: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.875: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.875: I/System.out(14784): ffmpeg version n2.4.2 Copyright (c) 2000-2014 the FFmpeg developers
    
10-28 17:47:10.875: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.875: I/System.out(14784):   built on Oct  7 2014 15:08:46 with gcc 4.8 (GCC)
    
10-28 17:47:10.875: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.875: I/System.out(14784):   configuration: --target-os=linux --cross-prefix=/home/sb/Source-Code/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/home/sb/Source-Code/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-libass --enable-libfreetype --enable-libfribidi --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/sb/Source-Code/ffmpeg-android/ffmpeg-pkg-config --prefix=/home/sb/Source-Code/ffmpeg-android/build/armeabi-v7a-neon --extra-cflags='-I/home/sb/Source-Code/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all -mfpu=neon' --extra-ldflags='-L/home/sb/Source-Code/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs='-lpng -lexpat -lm' --extra-cxxflags=
    
10-28 17:47:10.875: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.875: I/System.out(14784):   libavutil      54.  7.100 / 54.  7.100
    
10-28 17:47:10.875: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.875: I/System.out(14784):   libavcodec     56.  1.100 / 56.  1.100
    
10-28 17:47:10.875: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.875: I/System.out(14784):   libavformat    56.  4.101 / 56.  4.101
    
10-28 17:47:10.880: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.880: I/System.out(14784):   libavdevice    56.  0.100 / 56.  0.100
    
10-28 17:47:10.880: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.880: I/System.out(14784):   libavfilter     5.  1.100 /  5.  1.100
    
10-28 17:47:10.880: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.880: I/System.out(14784):   libswscale      3.  0.100 /  3.  0.100
    
10-28 17:47:10.880: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.880: I/System.out(14784):   libswresample   1.  1.100 /  1.  1.100
    
10-28 17:47:10.880: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.880: I/System.out(14784):   libpostproc    53.  0.100 / 53.  0.100
    
10-28 17:47:10.895: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.895: I/System.out(14784): Guessed Channel Layout for  Input Stream #0.0 : mono
    
10-28 17:47:10.895: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.895: I/System.out(14784): Input #0, wav, from 'input.wav':
    
10-28 17:47:10.895: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.900: I/System.out(14784):   Duration: 00:00:02.50, bitrate: 352 kb/s
    
10-28 17:47:10.900: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.900: I/System.out(14784):     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 22050 Hz, 1 channels, s16, 352 kb/s
    
10-28 17:47:10.935: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.935: I/System.out(14784): Output #0, adts, to 'output.aac':
    
10-28 17:47:10.935: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.935: I/System.out(14784):   Metadata:
    
10-28 17:47:10.935: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.935: I/System.out(14784):     encoder         : Lavf56.4.101
    
10-28 17:47:10.935: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.935: I/System.out(14784):     Stream #0:0: Audio: aac, 22050 Hz, mono, fltp, 64 kb/s
    
10-28 17:47:10.935: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.935: I/System.out(14784):     Metadata:
    
10-28 17:47:10.935: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.935: I/System.out(14784):       encoder         : Lavc56.1.100 aac
    
10-28 17:47:10.940: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.940: I/System.out(14784): Stream mapping:
    
10-28 17:47:10.940: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.940: I/System.out(14784):   Stream #0:0 -> #0:0 (pcm_s16le (native) -> aac (native))
    
10-28 17:47:10.940: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:10.940: I/System.out(14784): Press [q] to stop, [?] for help
    
10-28 17:47:11.395: D/dalvikvm(14784): JIT unchain all for threadid=16
    
10-28 17:47:11.420: D/dalvikvm(14784): GC_FOR_ALLOC freed 4698K, 40% free 7190K/11964K, paused 271ms, total 272ms
    
10-28 17:47:11.420: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:11.420: I/System.out(14784): size=      12kB time=00:00:02.50 bitrate=  37.7kbits/s    
    
10-28 17:47:11.455: I/System.out(14784): FFmpeg function: onProgress()...
    
10-28 17:47:11.455: I/System.out(14784): video:0kB audio:11kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 3.363914%
    
10-28 17:47:11.470: I/System.out(14784): FFmpeg function: onSuccess(), message:
    
10-28 17:47:11.470: I/System.out(14784): ffmpeg version n2.4.2 Copyright (c) 2000-2014 the FFmpeg developers
    
10-28 17:47:11.470: I/System.out(14784):   built on Oct  7 2014 15:08:46 with gcc 4.8 (GCC)
    
10-28 17:47:11.470: I/System.out(14784):   configuration: --target-os=linux --cross-prefix=/home/sb/Source-Code/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/home/sb/Source-Code/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-libass --enable-libfreetype --enable-libfribidi --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/sb/Source-Code/ffmpeg-android/ffmpeg-pkg-config --prefix=/home/sb/Source-Code/ffmpeg-android/build/armeabi-v7a-neon --extra-cflags='-I/home/sb/Source-Code/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all -mfpu=neon' --extra-ldflags='-L/home/sb/Source-Code/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs='-lpng -lexpat -lm' --extra-cxxflags=
    
10-28 17:47:11.470: I/System.out(14784):   libavutil      54.  7.100 / 54.  7.100
    
10-28 17:47:11.470: I/System.out(14784):   libavcodec     56.  1.100 / 56.  1.100
    
10-28 17:47:11.470: I/System.out(14784):   libavformat    56.  4.101 / 56.  4.101
    
10-28 17:47:11.470: I/System.out(14784):   libavdevice    56.  0.100 / 56.  0.100
    
10-28 17:47:11.470: I/System.out(14784):   libavfilter     5.  1.100 /  5.  1.100
    
10-28 17:47:11.470: I/System.out(14784):   libswscale      3.  0.100 /  3.  0.100
    
10-28 17:47:11.470: I/System.out(14784):   libswresample   1.  1.100 /  1.  1.100
    
10-28 17:47:11.470: I/System.out(14784):   libpostproc    53.  0.100 / 53.  0.100
    
10-28 17:47:11.470: I/System.out(14784): Guessed Channel Layout for  Input Stream #0.0 : mono
    
10-28 17:47:11.470: I/System.out(14784): Input #0, wav, from 'input.wav':
    
10-28 17:47:11.470: I/System.out(14784):   Duration: 00:00:02.50, bitrate: 352 kb/s
    
10-28 17:47:11.475: I/System.out(14784):     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 22050 Hz, 1 channels, s16, 352 kb/s
    
10-28 17:47:11.475: I/System.out(14784): Output #0, adts, to 'output.aac':
    
10-28 17:47:11.475: I/System.out(14784):   Metadata:
    
10-28 17:47:11.475: I/System.out(14784):     encoder         : Lavf56.4.101
    
10-28 17:47:11.475: I/System.out(14784):     Stream #0:0: Audio: aac, 22050 Hz, mono, fltp, 64 kb/s
    
10-28 17:47:11.475: I/System.out(14784):     Metadata:
    
10-28 17:47:11.475: I/System.out(14784):       encoder         : Lavc56.1.100 aac
    
10-28 17:47:11.475: I/System.out(14784): Stream mapping:
    
10-28 17:47:11.475: I/System.out(14784):   Stream #0:0 -> #0:0 (pcm_s16le (native) -> aac (native))
    
10-28 17:47:11.475: I/System.out(14784): Press [q] to stop, [?] for help
    
10-28 17:47:11.475: I/System.out(14784): size=      12kB time=00:00:02.50 bitrate=  37.7kbits/s    
    
10-28 17:47:11.475: I/System.out(14784): video:0kB audio:11kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 3.363914%
    
10-28 17:47:11.475: I/System.out(14784): FFmpeg function: onFinish()

  • Convert video by ffmpeg not working in chrome

    18 novembre 2015, par Ducthien

    I used command :

      $ ffmpeg -y -i "E:\SharingVideo\src\main\webapp\resources\video\input\input.mp4" -an -c:a libfdk_aac -ac 2 -ab 128k -c:v libx264 -x264opts 'keyint=24:min-keyint=24:no-scenecut' -b:v 1500k -maxrate 1500k -bufsize 1000k -vf "scale=-1:720" "E:\SharingVideo\src\main\webapp\resources\video\input\input_an.mp4"

    to get only video with format h264 (without sound). Cmd result :

    ffmpeg version N-76224-ga7c5005 Copyright (c) 2000-2015 the FFmpeg developers
    
  built with gcc 5.2.0 (GCC)
    
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enable-zlib
    
  libavutil      55.  4.100 / 55.  4.100
    
  libavcodec     57.  9.100 / 57.  9.100
    
  libavformat    57. 10.101 / 57. 10.101
    
  libavdevice    57.  0.100 / 57.  0.100
    
  libavfilter     6. 12.100 /  6. 12.100
    
  libswscale      4.  0.100 /  4.  0.100
    
  libswresample   2.  0.100 /  2.  0.100
    
  libpostproc    54.  0.100 / 54.  0.100
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'E:\SharingVideo\src\main\webapp\resources\video\input\input.mp4':
    
  Metadata:
    
    major_brand     : isom
    
    minor_version   : 512
    
    compatible_brands: isomiso2avc1mp41
    
    creation_time   : 1970-01-01 00:00:00
    
    encoder         : Lavf52.94.0
    
  Duration: 00:02:29.95, start: 0.000000, bitrate: 1787 kb/s
    
    Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 1629 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
    
    Metadata:
    
      creation_time   : 1970-01-01 00:00:00
    
      handler_name    : VideoHandler
    
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 151 kb/s (default)
    
    Metadata:
    
      creation_time   : 1970-01-01 00:00:00
    
      handler_name    : SoundHandler
    
[libx264 @ 000000821f5fbe40] using SAR=1/1
    
[libx264 @ 000000821f5fbe40] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
    
[libx264 @ 000000821f5fbe40] profile High, level 3.1
    
[libx264 @ 000000821f5fbe40] 264 - core 148 r2638 7599210 - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - 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=24 keyint_min=13 scenecut=0 intra_refresh=0 rc_lookahead=24 rc=cbr mbtree=1 bitrate=1500 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=1500 vbv_bufsize=1000 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
    
Output #0, mp4, to 'E:\SharingVideo\src\main\webapp\resources\video\input\input_an.mp4':
    
  Metadata:
    
    major_brand     : isom
    
    minor_version   : 512
    
    compatible_brands: isomiso2avc1mp41
    
    encoder         : Lavf57.10.101
    
    Stream #0:0(und): Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=-1--1, 1500 kb/s, 29.97 fps, 30k tbn, 29.97 tbc (default)
    
    Metadata:
    
      creation_time   : 1970-01-01 00:00:00
    
      handler_name    : VideoHandler
    
      encoder         : Lavc57.9.100 libx264
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
    
Press [q] to stop, [?] for help
    
frame= 4494 fps= 38 q=-1.0 Lsize=   25050kB time=00:02:29.88 bitrate=1369.1kbits/s
    
video:25003kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.188374%
    
[libx264 @ 000000821f5fbe40] frame I:188   Avg QP:17.73  size: 40170
    
[libx264 @ 000000821f5fbe40] frame P:2060  Avg QP:23.64  size:  7302
    
[libx264 @ 000000821f5fbe40] frame B:2246  Avg QP:24.03  size:  1339
    
[libx264 @ 000000821f5fbe40] consecutive B-frames: 29.6%  8.4%  8.9% 53.1%
    
[libx264 @ 000000821f5fbe40] mb I  I16..4: 27.8% 64.1%  8.1%
    
[libx264 @ 000000821f5fbe40] mb P  I16..4:  5.4% 12.4%  0.3%  P16..4: 26.4%  4.3%  2.0%  0.0%  0.0%    skip:49.3%
    
[libx264 @ 000000821f5fbe40] mb B  I16..4:  0.2%  0.4%  0.0%  B16..8: 17.5%  0.7%  0.1%  direct: 0.9%  skip:80.2%  L0:41.5% L1:55.9% BI: 2.7%
    
[libx264 @ 000000821f5fbe40] 8x8 transform intra:66.9% inter:89.7%
    
[libx264 @ 000000821f5fbe40] coded y,uvDC,uvAC intra: 39.1% 57.7% 20.9% inter: 4.7% 10.1% 0.3%
    
[libx264 @ 000000821f5fbe40] i16 v,h,dc,p: 43% 29%  8% 20%
    
[libx264 @ 000000821f5fbe40] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 27% 23% 21%  4%  5%  5%  5%  5%  5%
    
[libx264 @ 000000821f5fbe40] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 29% 26%  9%  4%  8%  7%  7%  5%  4%
    
[libx264 @ 000000821f5fbe40] i8c dc,h,v,p: 49% 24% 20%  7%
    
[libx264 @ 000000821f5fbe40] Weighted P-Frames: Y:9.1% UV:8.9%
    
[libx264 @ 000000821f5fbe40] ref P L0: 74.5% 11.1% 11.0%  3.3%  0.1%
    
[libx264 @ 000000821f5fbe40] ref B L0: 91.0%  7.9%  1.1%
    
[libx264 @ 000000821f5fbe40] ref B L1: 96.4%  3.6%
    
[libx264 @ 000000821f5fbe40] kb/s:1365.92

    then i get audio from mp4 file :

    ffmpeg -i "E:\SharingVideo\src\main\webapp\resources\video\input\input.mp4" -vn -acodec copy "E:\SharingVideo\src\main\webapp\resources\video\input\audio.mp4"

    cmd result :

    $ ffmpeg -i "E:\SharingVideo\src\main\webapp\resources\video\input\input.mp4" -vn -acodec copy "E:\SharingVideo\src\mai
    
n\webapp\resources\video\input\audio.mp4"
    
ffmpeg version N-76224-ga7c5005 Copyright (c) 2000-2015 the FFmpeg developers
    
  built with gcc 5.2.0 (GCC)
    
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enable-zlib
    
  libavutil      55.  4.100 / 55.  4.100
    
  libavcodec     57.  9.100 / 57.  9.100
    
  libavformat    57. 10.101 / 57. 10.101
    
  libavdevice    57.  0.100 / 57.  0.100
    
  libavfilter     6. 12.100 /  6. 12.100
    
  libswscale      4.  0.100 /  4.  0.100
    
  libswresample   2.  0.100 /  2.  0.100
    
  libpostproc    54.  0.100 / 54.  0.100
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'E:\SharingVideo\src\main\webapp\resources\video\input\input.mp4':
    
  Metadata:
    
    major_brand     : isom
    
    minor_version   : 512
    
    compatible_brands: isomiso2avc1mp41
    
    creation_time   : 1970-01-01 00:00:00
    
    encoder         : Lavf52.94.0
    
  Duration: 00:02:29.95, start: 0.000000, bitrate: 1787 kb/s
    
    Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 1629 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
    
    Metadata:
    
      creation_time   : 1970-01-01 00:00:00
    
      handler_name    : VideoHandler
    
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 151 kb/s (default)
    
    Metadata:
    
      creation_time   : 1970-01-01 00:00:00
    
      handler_name    : SoundHandler
    
[mp4 @ 0000000b967e30a0] Codec for stream 0 does not use global headers but container format requires global headers
    
Output #0, mp4, to 'E:\SharingVideo\src\main\webapp\resources\video\input\audio.mp4':
    
  Metadata:
    
    major_brand     : isom
    
    minor_version   : 512
    
    compatible_brands: isomiso2avc1mp41
    
    encoder         : Lavf57.10.101
    
    Stream #0:0(und): Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, stereo, 151 kb/s (default)
    
    Metadata:
    
      creation_time   : 1970-01-01 00:00:00
    
      handler_name    : SoundHandler
    
Stream mapping:
    
  Stream #0:1 -> #0:0 (copy)
    
Press [q] to stop, [?] for help
    
size=    2806kB time=00:02:29.86 bitrate= 153.4kbits/s
    
video:0kB audio:2780kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.933710%

    after that. I create .mpd file by MP4box :

    MP4Box -dash 10000 -profile onDemand -rap -out "E:\SharingVideo\src\main\webapp\resources\video\input\input_dash.mpd" "E:\SharingVideo\src\main\webapp\resources\video\input\input_an.mp4"#video:id=video_2Mb "E:\SharingVideo\src\main\webapp\resources\video\input\audio.mp4"#audio:id=audio

    the video play fine in firefox and IE but in chrome it doesn’t working :

    VIDEOJS: ERROR: (CODE:3 MEDIA_ERR_DECODE) The video playback was aborted due to a corruption problem or because the video used features your browser did not support.
    
Video Element Error: MEDIA_ERR_DECODE
    
VIDEOJS: ERROR: (CODE:4 MEDIA_ERR_SRC_NOT_SUPPORTED) The video could not be loaded, either because the server or network failed or because the format is not supported.
    
Video Element Error: MEDIA_ERR_SRC_NOT_SUPPORTED

    I don’t know why it doesn’t work in chrome, please help me.What did I wrong something to display video in chrome ?

  • FFMPEG android is processing slow

    23 novembre 2015, par jpc

    I’m using https://github.com/WritingMinds/ffmpeg-android-java as my framework for FFMPEG

    I’m trying to convert an image to a video using this command

    ffmpeg -y -loop 1 -i input.jpg -strict -2 -vcodec mpeg4 -t 5 -pix_fmt yuv420p out.mp4

    It took about 32 seconds to finish the process which is very slow for my requirements.

    Is there a way to speed this up ? I’m thinking of something around 5 seconds, perhaps approximately equal to the specified length of the video

    here’s the log btw

    11-23 12:12:13.587 4228-4228/com.lo.and.dev W/com.lo.and.util: WARNING: linker: /data/data/com.lo.and.dev/files/ffmpeg has text relocations. This is wasting memory and prevents security hardening. Please fix.
    
11-23 12:12:13.607 4228-4228/com.lo.and.dev W/com.lo.and.util: ffmpeg version n2.4.2 Copyright (c) 2000-2014 the FFmpeg developers
    
11-23 12:12:13.607 4228-4228/com.lo.and.dev W/com.lo.and.util:   built on Oct  7 2014 15:08:46 with gcc 4.8 (GCC)
    
11-23 12:12:13.607 4228-4228/com.lo.and.dev W/com.lo.and.util:   configuration: --target-os=linux --cross-prefix=/home/sb/Source-Code/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/home/sb/Source-Code/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-libass --enable-libfreetype --enable-libfribidi --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/sb/Source-Code/ffmpeg-android/ffmpeg-pkg-config --prefix=/home/sb/Source-Code/ffmpeg-android/build/armeabi-v7a-neon --extra-cflags='-I/home/sb/Source-Code/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all -mfpu=neon' --extra-ldflags='-L/home/sb/Source-Code/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs='-lpng -lexpat -lm' --extra-cxxflags=
    
11-23 12:12:13.607 4228-4228/com.lo.and.dev W/com.lo.and.util:   libavutil      54.  7.100 / 54.  7.100
    
11-23 12:12:13.607 4228-4228/com.lo.and.dev W/com.lo.and.util:   libavcodec     56.  1.100 / 56.  1.100
    
11-23 12:12:13.607 4228-4228/com.lo.and.dev W/com.lo.and.util:   libavformat    56.  4.101 / 56.  4.101
    
11-23 12:12:13.607 4228-4228/com.lo.and.dev W/com.lo.and.util:   libavdevice    56.  0.100 / 56.  0.100
    
11-23 12:12:13.607 4228-4228/com.lo.and.dev W/com.lo.and.util:   libavfilter     5.  1.100 /  5.  1.100
    
11-23 12:12:13.617 4228-4228/com.lo.and.dev W/com.lo.and.util:   libswscale      3.  0.100 /  3.  0.100
    
11-23 12:12:13.617 4228-4228/com.lo.and.dev W/com.lo.and.util:   libswresample   1.  1.100 /  1.  1.100
    
11-23 12:12:13.617 4228-4228/com.lo.and.dev W/com.lo.and.util:   libpostproc    53.  0.100 / 53.  0.100
    
11-23 12:12:13.707 4228-4228/com.lo.and.dev W/com.lo.and.util: Input #0, image2, from '/storage/emulated/0/DCIM/Camera/20151122_172809.jpg':
    
11-23 12:12:13.707 4228-4228/com.lo.and.dev W/com.lo.and.util:   Duration: 00:00:00.04, start: 0.000000, bitrate: 95165 kb/s
    
11-23 12:12:13.717 4228-4228/com.lo.and.dev W/com.lo.and.util:     Stream #0:0: Video: mjpeg, yuvj422p(pc, bt470bg), 1920x1080 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 25 tbn, 25 tbc
    
11-23 12:12:13.727 4228-4228/com.lo.and.dev W/com.lo.and.util: [swscaler @ 0xb5d89000] deprecated pixel format used, make sure you did set range correctly
    
11-23 12:12:13.777 4228-4228/com.lo.and.dev W/com.lo.and.util: Output #0, mp4, to '/storage/emulated/0/DCIM/out.mp4':
    
11-23 12:12:13.777 4228-4228/com.lo.and.dev W/com.lo.and.util:   Metadata:
    
11-23 12:12:13.777 4228-4228/com.lo.and.dev W/com.lo.and.util:     encoder         : Lavf56.4.101
    
11-23 12:12:13.777 4228-4228/com.lo.and.dev W/com.lo.and.util:     Stream #0:0: Video: mpeg4 ( [0][0][0] / 0x0020), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 25 fps, 12800 tbn, 25 tbc
    
11-23 12:12:13.777 4228-4228/com.lo.and.dev W/com.lo.and.util:     Metadata:
    
11-23 12:12:13.777 4228-4228/com.lo.and.dev W/com.lo.and.util:       encoder         : Lavc56.1.100 mpeg4
    
11-23 12:12:13.777 4228-4228/com.lo.and.dev W/com.lo.and.util: Stream mapping:
    
11-23 12:12:13.777 4228-4228/com.lo.and.dev W/com.lo.and.util:   Stream #0:0 -> #0:0 (mjpeg (native) -> mpeg4 (native))
    
11-23 12:12:13.777 4228-4228/com.lo.and.dev W/com.lo.and.util: Press [q] to stop, [?] for help
    
11-23 12:12:14.707 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=    3 fps=0.0 q=2.0 size=     343kB time=00:00:00.12 bitrate=23400.5kbits/s    
    
11-23 12:12:15.247 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=    5 fps=4.2 q=4.9 size=     345kB time=00:00:00.20 bitrate=14125.9kbits/s    
    
11-23 12:12:15.737 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=    7 fps=4.0 q=10.2 size=     347kB time=00:00:00.28 bitrate=10149.8kbits/s    
    
11-23 12:12:16.467 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   10 fps=4.1 q=18.9 size=     350kB time=00:00:00.40 bitrate=7167.7kbits/s    
    
11-23 12:12:17.037 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   12 fps=4.0 q=24.8 size=     352kB time=00:00:00.48 bitrate=6007.9kbits/s    
    
11-23 12:12:17.567 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   14 fps=3.9 q=27.8 size=     403kB time=00:00:00.56 bitrate=5893.7kbits/s    
    
11-23 12:12:18.337 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   17 fps=4.0 q=31.0 size=     406kB time=00:00:00.68 bitrate=4891.5kbits/s    
    
11-23 12:12:18.847 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   19 fps=3.9 q=31.0 size=     408kB time=00:00:00.76 bitrate=4398.6kbits/s    
    
11-23 12:12:19.607 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   22 fps=3.9 q=31.0 size=     411kB time=00:00:00.88 bitrate=3827.4kbits/s    
    
11-23 12:12:20.107 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   24 fps=3.9 q=31.0 size=     413kB time=00:00:00.96 bitrate=3525.9kbits/s    
    
11-23 12:12:20.637 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   26 fps=3.9 q=31.0 size=     460kB time=00:00:01.04 bitrate=3624.3kbits/s    
    
11-23 12:12:21.157 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   28 fps=3.9 q=31.0 size=     462kB time=00:00:01.12 bitrate=3381.1kbits/s    
    
11-23 12:12:21.667 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   30 fps=3.9 q=31.0 size=     464kB time=00:00:01.20 bitrate=3169.7kbits/s    
    
11-23 12:12:22.167 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   32 fps=3.9 q=31.0 size=     466kB time=00:00:01.28 bitrate=2984.6kbits/s    
    
11-23 12:12:22.897 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   35 fps=3.9 q=31.0 size=     469kB time=00:00:01.40 bitrate=2746.8kbits/s    
    
11-23 12:12:23.657 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   38 fps=3.9 q=31.0 size=     517kB time=00:00:01.52 bitrate=2788.3kbits/s    
    
11-23 12:12:24.387 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   41 fps=4.0 q=31.0 size=     521kB time=00:00:01.64 bitrate=2600.1kbits/s    
    
11-23 12:12:24.887 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   43 fps=3.9 q=31.0 size=     523kB time=00:00:01.72 bitrate=2488.9kbits/s    
    
11-23 12:12:25.417 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   45 fps=3.9 q=31.0 size=     525kB time=00:00:01.80 bitrate=2387.6kbits/s    
    
11-23 12:12:25.967 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   47 fps=3.9 q=31.0 size=     527kB time=00:00:01.88 bitrate=2294.9kbits/s    
    
11-23 12:12:26.477 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   49 fps=3.9 q=24.8 size=     572kB time=00:00:01.96 bitrate=2390.0kbits/s    
    
11-23 12:12:27.297 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   52 fps=3.9 q=31.0 size=     577kB time=00:00:02.08 bitrate=2271.5kbits/s    
    
11-23 12:12:27.987 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   55 fps=3.9 q=31.0 size=     580kB time=00:00:02.20 bitrate=2159.1kbits/s    
    
11-23 12:12:28.737 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   58 fps=3.9 q=31.0 size=     583kB time=00:00:02.32 bitrate=2058.2kbits/s    
    
11-23 12:12:29.247 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   60 fps=3.9 q=31.0 size=     585kB time=00:00:02.40 bitrate=1996.6kbits/s    
    
11-23 12:12:30.017 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   63 fps=3.9 q=31.0 size=     633kB time=00:00:02.52 bitrate=2057.7kbits/s    
    
11-23 12:12:30.557 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   65 fps=3.9 q=31.0 size=     635kB time=00:00:02.60 bitrate=2000.8kbits/s    
    
11-23 12:12:31.057 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   67 fps=3.9 q=31.0 size=     637kB time=00:00:02.68 bitrate=1947.4kbits/s    
    
11-23 12:12:31.627 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   69 fps=3.9 q=31.0 size=     639kB time=00:00:02.76 bitrate=1897.0kbits/s    
    
11-23 12:12:32.167 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   71 fps=3.9 q=31.0 size=     641kB time=00:00:02.84 bitrate=1849.5kbits/s    
    
11-23 12:12:32.927 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   74 fps=3.9 q=31.0 size=     689kB time=00:00:02.96 bitrate=1907.2kbits/s    
    
11-23 12:12:33.407 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   76 fps=3.9 q=31.0 size=     691kB time=00:00:03.04 bitrate=1862.8kbits/s    
    
11-23 12:12:34.157 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   79 fps=3.9 q=31.0 size=     694kB time=00:00:03.16 bitrate=1800.0kbits/s    
    
11-23 12:12:34.657 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   81 fps=3.9 q=31.0 size=     696kB time=00:00:03.24 bitrate=1760.7kbits/s    
    
11-23 12:12:35.217 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   83 fps=3.9 q=31.0 size=     698kB time=00:00:03.32 bitrate=1723.3kbits/s    
    
11-23 12:12:35.777 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   85 fps=3.9 q=24.8 size=     744kB time=00:00:03.40 bitrate=1791.6kbits/s    
    
11-23 12:12:36.297 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   87 fps=3.9 q=31.0 size=     747kB time=00:00:03.48 bitrate=1759.6kbits/s    
    
11-23 12:12:36.827 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   89 fps=3.9 q=31.0 size=     750kB time=00:00:03.56 bitrate=1724.8kbits/s    
    
11-23 12:12:37.547 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   92 fps=3.9 q=31.0 size=     753kB time=00:00:03.68 bitrate=1675.4kbits/s    
    
11-23 12:12:38.297 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   95 fps=3.9 q=31.0 size=     756kB time=00:00:03.80 bitrate=1629.1kbits/s    
    
11-23 12:12:38.797 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=   97 fps=3.9 q=24.8 size=     801kB time=00:00:03.88 bitrate=1690.8kbits/s    
    
11-23 12:12:39.547 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  100 fps=3.9 q=31.0 size=     806kB time=00:00:04.00 bitrate=1650.2kbits/s    
    
11-23 12:12:40.047 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  102 fps=3.9 q=31.0 size=     808kB time=00:00:04.08 bitrate=1621.9kbits/s    
    
11-23 12:12:40.807 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  105 fps=3.9 q=31.0 size=     811kB time=00:00:04.20 bitrate=1581.6kbits/s    
    
11-23 12:12:41.267 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  107 fps=3.9 q=31.0 size=     813kB time=00:00:04.28 bitrate=1555.9kbits/s    
    
11-23 12:12:42.057 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  110 fps=3.9 q=31.0 size=     861kB time=00:00:04.40 bitrate=1602.8kbits/s    
    
11-23 12:12:42.557 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  112 fps=3.9 q=31.0 size=     863kB time=00:00:04.48 bitrate=1578.1kbits/s    
    
11-23 12:12:43.307 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  115 fps=3.9 q=31.0 size=     866kB time=00:00:04.60 bitrate=1542.4kbits/s    
    
11-23 12:12:43.817 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  117 fps=3.9 q=31.0 size=     868kB time=00:00:04.68 bitrate=1519.6kbits/s    
    
11-23 12:12:44.517 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  120 fps=3.9 q=31.0 size=     871kB time=00:00:04.80 bitrate=1486.8kbits/s    
    
11-23 12:12:45.277 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  123 fps=3.9 q=31.0 size=     919kB time=00:00:04.92 bitrate=1530.6kbits/s    
    
11-23 12:12:45.987 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  125 fps=3.9 q=31.0 size=     921kB time=00:00:05.00 bitrate=1509.4kbits/s    
    
11-23 12:12:45.987 4228-4228/com.lo.and.dev W/com.lo.and.util: frame=  125 fps=3.9 q=31.0 Lsize=     923kB time=00:00:05.00 bitrate=1511.6kbits/s    
    
11-23 12:12:45.987 4228-4228/com.lo.and.dev W/com.lo.and.util: video:921kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.148301%

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