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• Apply filters to video while preview and save it with applied filter and original audio in android

  27 novembre 2019, par FreakInDroid

  I am new to video processing. I want to apply a filter to a video at runtime, and I want to save that video after filter applied.

  Regarding this I’m doing a research. I has gone through many libraries but I’m struggling to achieve my aim.

  Developement environment

  Migw-64 with windows 7 64 bit
  
  Android Studio 2.1 preview 5
  
  heap space 4GB 
  
  com.android.tools.build:gradle:2.1.0
  
  android-ndk-r12-win-x86_64
  
  com.android.tools.build:gradle-experimental:0.7.0  --> to build NDK

  I have tried

  1. AndroidFastImageprocessingLibrary

     Chrisbatt -> AndroidFastImageProcessing in github

     This library use GLSurfaceview to display filters but we could not save it to mp4 file.

     So I found another implementation of it icmobilelab -> AndroidFastImageProcessing in github

     This library use JavaCV with ffmpeg compiled. But it failed.

  2. JavaCV

     JavaCV use outdated ffmpeg and it is abandoned.

  3. Grafika -> on github

     I tried Android Fast Image Processing with RecordFBOActivity in grafika. But i have failed. This library use MediaRecorder to record the contents of GLSurfaceView. But it records video without audio (I have tested the RecordFBOActivity and analyze the code).

  4. filter packs in platform_frameworks

     github.com/android/platform_frameworks_base/blob/master/media/mca/filterpacks/java/android/filterpacks/videosink/MediaEncoderFilter.java
     its android 4.2 edited core. I can’t run this code because too many jni dependencies.

  5. ffmpeg

     github.com/guardianproject/android-ffmpeg
     I tried ffmpeg3.1 compilation procedure implemented by guardianproject. it successfullay built a static library but i cannot build dynamic library (so files). I’m stuck with a linker error. I think the linking order matters. I tried the linking order specified in below link
     https://fritzone.wordpress.com/2010/05/11/link-with-static-ffmpeg/
     but it won’t help. the following error occurs

     [armeabi-v7a] SharedLibrary  : libffmpeg.so
     
     jni/ffmpeg.c:200: error: undefined reference to 'av_frame_alloc'
     
     jni/ffmpeg.c:201: error: undefined reference to 'av_frame_alloc'
     
     jni/ffmpeg.c:209: error: undefined reference to 'av_register_all'
     
     jni/ffmpeg.c:210: error: undefined reference to 'avfilter_register_all'
     
     jni/ffmpeg.c:45: error: undefined reference to 'avformat_open_input'
     
     jni/ffmpeg.c:50: error: undefined reference to 'avformat_find_stream_info'
     
     jni/ffmpeg.c:56: error: undefined reference to 'av_find_best_stream'
     
     jni/ffmpeg.c:63: error: undefined reference to 'av_opt_set_int'
     
     jni/ffmpeg.c:66: error: undefined reference to 'avcodec_open2'
     
     jni/ffmpeg.c:67: error: undefined reference to 'av_log'
     
     jni/ffmpeg.c:78: error: undefined reference to 'avfilter_get_by_name'
     
     jni/ffmpeg.c:79: error: undefined reference to 'avfilter_get_by_name'
     
     jni/ffmpeg.c:80: error: undefined reference to 'avfilter_inout_alloc'
     
     jni/ffmpeg.c:81: error: undefined reference to 'avfilter_inout_alloc'
     
     jni/ffmpeg.c:85: error: undefined reference to 'avfilter_graph_alloc'
     
     jni/ffmpeg.c:98: error: undefined reference to 'avfilter_graph_create_filter'
     
     jni/ffmpeg.c:106: error: undefined reference to 'avfilter_graph_create_filter'
     
     jni/ffmpeg.c:113: error: undefined reference to 'av_int_list_length_for_size'
     
     jni/ffmpeg.c:113: error: undefined reference to 'av_opt_set_bin'
     
     jni/ffmpeg.c:116: error: undefined reference to 'av_log'
     
     jni/ffmpeg.c:131: error: undefined reference to 'av_strdup'
     
     jni/ffmpeg.c:142: error: undefined reference to 'av_strdup'
     
     jni/ffmpeg.c:147: error: undefined reference to 'avfilter_graph_parse_ptr'
     
     jni/ffmpeg.c:151: error: undefined reference to 'avfilter_graph_config'
     
     jni/ffmpeg.c:155: error: undefined reference to 'avfilter_inout_free'
     
     jni/ffmpeg.c:156: error: undefined reference to 'avfilter_inout_free'
     
     jni/ffmpeg.c:218: error: undefined reference to 'av_read_frame'
     
     jni/ffmpeg.c:223: error: undefined reference to 'avcodec_decode_video2'
     
     jni/ffmpeg.c:230: error: undefined reference to 'av_frame_get_best_effort_timestamp'
     
     jni/ffmpeg.c:233: error: undefined reference to 'av_buffersrc_add_frame_flags'
     
     jni/ffmpeg.c:234: error: undefined reference to 'av_log'
     
     jni/ffmpeg.c:240: error: undefined reference to 'av_buffersink_get_frame'
     
     jni/ffmpeg.c:171: error: undefined reference to 'av_rescale_q'
     
     jni/ffmpeg.c:246: error: undefined reference to 'av_frame_unref'
     
     jni/ffmpeg.c:248: error: undefined reference to 'av_frame_unref'
     
     jni/ffmpeg.c:251: error: undefined reference to 'av_packet_unref'
     
     jni/ffmpeg.c:254: error: undefined reference to 'avfilter_graph_free'
     
     jni/ffmpeg.c:255: error: undefined reference to 'avcodec_close'
     
     jni/ffmpeg.c:256: error: undefined reference to 'avformat_close_input'
     
     jni/ffmpeg.c:257: error: undefined reference to 'av_frame_free'
     
     jni/ffmpeg.c:258: error: undefined reference to 'av_frame_free'
     
     jni/include/libavutil/error.h:111: error: undefined reference to 'av_strerror'
     
     collect2.exe: error: ld returned 1 exit status
     
     make: *** [obj/local/armeabi/libffmpeg.so] Error 1

  6. MediaCodec, MediaExtractor,MediaRecord,MediaMuxer

     Finally I planned to combine AndroidFastImageProcessing with MediaCodec, MediaExtractor,MediaRecord,MediaMuxer.

     So I try to Extract audio from video using mediamuxer
     https://gist.github.com/sayan801/9a39ccad0818d2b3499a.
     I use mp4 video (MIME Type video/avc that have 2 tracks audio and video) to extract audio but the resultant file is corrupted (just 4 kb)

  I think this question is another view of the existing problem if anybody experienced this problem please guide me.

• Problems with video length when join video file using ffmpeg concat [migrated]

  27 décembre 2013, par nhanpt

  I have 3 videos, open.avi :duration 0:46:37.885933 , middle.avi : 0:02:56.991927, fin.avi : 0:02:48.199268.
  I try to concat 3 videos using command :

  ffmpeg -i "concat:fin.avi|open.avi|middle.avi" -preset ultrafast -c copy -y vide.avi

  ffmpeg version 1.2.4 Copyright (c) 2000-2013 the FFmpeg developers
  built on Oct 16 2013 22:38:01 with gcc 4.8.1 (GCC) 20130603 (Red Hat 4.8.1-1)
  configuration : —prefix=/usr —bindir=/usr/bin —datadir=/usr/share/ffmpeg —incdir=/usr/include/ffmpeg —libdir=/usr/lib —mandir=/usr/share/man —arch=i686 —optflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector —param=ssp-buffer-size=4 -grecord-gcc-switches -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables' —enable-bzlib —disable-crystalhd —enable-frei0r —enable-gnutls —enable-libass —enable-libcelt —enable-libdc1394 —disable-indev=jack —enable-libfreetype —enable-libgsm —enable-libmp3lame —enable-openal —enable-libopencv —enable-libopenjpeg —enable-libopus —enable-libpulse —enable-libschroedinger —enable-libspeex —enable-libtheora —enable-libvorbis —enable-libv4l2 —enable-libvpx —enable-libx264 —enable-libxvid —enable-x11grab —enable-avfilter —enable-avresample —enable-postproc —enable-pthreads —disable-static —enable-shared —enable-gpl —disable-debug —disable-stripping —shlibdir=/usr/lib —cpu=i686 —enable-runtime-cpudetect
  libavutil 52. 18.100 / 52. 18.100
  libavcodec 54. 92.100 / 54. 92.100
  libavformat 54. 63.104 / 54. 63.104
  libavdevice 54. 3.103 / 54. 3.103
  libavfilter 3. 42.103 / 3. 42.103
  libswscale 2. 2.100 / 2. 2.100
  libswresample 0. 17.102 / 0. 17.102
  libpostproc 52. 2.100 / 52. 2.100
  Input #0, avi, from 'concat:fin.avi|open.avi|middle.avi' :
  Duration : 00:02:48.20, start : 0.000000, bitrate : 28159 kb/s
  Stream #0:0 : Video : mjpeg (MJPG / 0x47504A4D), yuvj422p, 640x480, 11.20 tbr, 11.20 tbn, 11.20 tbc
  Output #0, avi, to 'vide.avi' :
  Metadata :
  ISFT : Lavf54.63.104
  Stream #0:0 : Video : mjpeg (MJPG / 0x47504A4D), yuvj422p, 640x480, q=2-31, 11.20 tbn, 11.20 tbc
  Stream mapping :
  Stream #0:0 -> #0:0 (copy)
  Press [q] to stop, [?] for help
  frame=27988 fps=2386 q=-1.0 Lsize= 578159kB time=00:41:38.70 bitrate=1895.5kbits/s
  video:577498kB audio:0kB subtitle:0 global headers:0kB muxing overhead 0.114549%

  When I change the oder of input video :

  Input #0, avi, from 'concat:open.avi|middle.avi|fin.avi':

  Duration : 00:46:37.89, start : 0.000000, bitrate : 1692 kb/s
  Stream #0:0 : Video : mjpeg (MJPG / 0x47504A4D), yuvj422p, 640x480, 8.61 tbr, 8.61 tbn, 8.61 tbc
  Output #0, avi, to 'vide.avi' :
  Metadata :
  ISFT : Lavf54.63.104
  Stream #0:0 : Video : mjpeg (MJPG / 0x47504A4D), yuvj422p, 640x480, q=2-31, 8.61 tbn, 8.61 tbc
  Stream mapping :
  Stream #0:0 -> #0:0 (copy)
  Press [q] to stop, [?] for help
  frame=27988 fps=2343 q=-1.0 Lsize= 578159kB time=00:54:11.01 bitrate=1456.9kbits/s
  video:577498kB audio:0kB subtitle:0 global headers:0kB muxing overhead 0.114549%

  What can I do to fix it ?

• PHP ffmpeg conversion error

  6 mars 2016, par Enn Fenn

  I tried to convert some videos with ffmpeg and PHP.

  When I execute the following command in PHP exec()

  /usr/local/bin/ffmpeg -i /home/test/public_html/test.m4v -vcodec libx264 -acodec libmp3lame -r 30 -s 640x480 -b 100k /home/test/public_html/output_640x480_test.m4v

  Output :

  /usr/local/bin/ffmpeg: line 4: /var/log/ffmpeg.log: Permission denied
  
  FFmpeg version SVN-r26402, Copyright (c) 2000-2011 the FFmpeg developers
  
    built on Apr 18 2012 05:19:10 with gcc 4.1.2 20080704 (Red Hat 4.1.2-52)
  
    configuration: --prefix=/usr/local/src/ffmpeg --libdir=/usr/lib64 --shlibdir=/usr/lib64 --mandir=/usr/share/man --incdir=/usr/include --disable-avisynth --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC' --enable-avfilter --enable-libdirac --enable-libfaac --enable-libgsm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-gpl --enable-nonfree --enable-postproc --enable-pthreads --enable-shared --enable-swscale --enable-vdpau --enable-version3 --enable-x11grab --enable-libxvid --enable-libvorbis --enable-libtheora
  
    libavutil     50.36. 0 / 50.36. 0
  
    libavcore      0.16. 1 /  0.16. 1
  
    libavcodec    52.108. 0 / 52.108. 0
  
    libavformat   52.93. 0 / 52.93. 0
  
    libavdevice   52. 2. 3 / 52. 2. 3
  
    libavfilter    1.74. 0 /  1.74. 0
  
    libswscale     0.12. 0 /  0.12. 0
  
    libpostproc   51. 2. 0 / 51. 2. 0
  
  
  
  Seems stream 1 codec frame rate differs from container frame rate: 1200.00 (1200/1) -> 10.00 (10/1)
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/test/public_html/test.m4v':
  
    Metadata:
  
      major_brand     : M4VP
  
      minor_version   : 1
  
      compatible_brands: M4VPM4V M4A mp42isom
  
      creation_time   : 2013-03-14 10:08:25
  
      encoder         : Mac OS X v10.7.4 (CMA 891, CM 705.78, x86_64)
  
      date            : 2013-03-10T14:05:41+1100
  
    Duration: 00:00:02.30, start: 0.000000, bitrate: 245 kb/s
  
      Stream #0.0(und): Audio: aac, 32000 Hz, 2 channels (FC), s16, 31 kb/s
  
      Metadata:
  
        creation_time   : 2013-03-14 10:08:25
  
      Stream #0.1(und): Video: h264, yuv420p, 400x226 [PAR 1:1 DAR 200:113], 216 kb/s, 10.35 fps, 10 tbr, 600 tbn, 1200 tbc
  
      Metadata:
  
        creation_time   : 2013-03-14 10:08:25
  
  [buffer @ 0xf6093c0] w:400 h:226 pixfmt:yuv420p
  
  [scale @ 0xf609790] w:400 h:226 fmt:yuv420p -> w:640 h:480 fmt:yuv420p flags:0xa0000004
  
  [libx264 @ 0xf605cd0] broken ffmpeg default settings detected
  
  [libx264 @ 0xf605cd0] use an encoding preset (e.g. -vpre medium)
  
  [libx264 @ 0xf605cd0] preset usage: -vpre <speed> -vpre <profile>
  
  [libx264 @ 0xf605cd0] speed presets are listed in x264 --help
  
  [libx264 @ 0xf605cd0] profile is optional; x264 defaults to high
  
  Output #0, ipod, to '/home/test/public_html/output_640x480_test.m4v':
  
      Stream #0.0(und): Video: libx264, yuv420p, 640x480 [PAR 150:113 DAR 200:113], q=2-31, 800 kb/s, 90k tbn, 10 tbc
  
      Metadata:
  
        creation_time   : 2013-03-14 10:08:25
  
      Stream #0.1(und): Audio: libmp3lame, 32000 Hz, 2 channels, s16, 64 kb/s
  
      Metadata:
  
        creation_time   : 2013-03-14 10:08:25
  
  Stream mapping:
  
    Stream #0.1 -> #0.0
  
    Stream #0.0 -> #0.1
  
  Error while opening encoder for output stream #0.0 - maybe incorrect parameters such as bit_rate, rate, width or height
  
  </profile></speed>

  The same conversion is working fine in another server. But not in our current server. What should I do to get rid of this error ?