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Sur d’autres sites (6208)

  • FFMPEG android is processing slow

    25 août 2018, 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%

  • ffmpeg 2nd pass segfault [migrated]

    25 février 2014, par Mike Flynn

    I'm trying to get an old transcoding server up and running in a new environment and I'm experiencing some issues getting the well tested ffmpeg commands to work in the new environment.

    It's a 2 pass encoding strategy, and the first pass runs just fine every time, the 2nd pass consistently fails with the following :

    [libx264 @ 0x3925fc0] 2nd pass has more frames than 1st pass (1478)
    
[libx264 @ 0x3925fc0] continuing anyway, at constant QP=14
    
[libx264 @ 0x3925fc0] disabling adaptive B-frames
    
[libx264 @ 0x3925fc0] specified frame type is not compatible with max B-frames
    
Segmentation fault

    Here is the command we're using for each pass :

    Pass 1 :

    ffmpeg -y -i input.mp4 -pass 1 -b 774000 -ab 128000 -s 640x360 -passlogfile ffmpeglog -vcodec libx264 -g 90 -bf 3 -refs 1 -b_strategy 1 -coder 1 -qmin 10 -qmax 51 -sc_threshold 40 -flags +loop -cmp chroma -me_range 16 -me_method dia -subq 2 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -direct-pred 3 -trellis 0 -partitions -parti8x8-parti4x4-partp8x8-partb8x8 -r 30 -keyint_min 25 -wpredp 2 -rc_lookahead 50 -acodec libfaac -ar 44100 pass1.mp4

    Pass 2 :

    ffmpeg -y -i pass1.mp4 -pass 2 -b 774000 -ab 128000 -s 640x360 -passlogfile ffmpeglog -vcodec libx264 -g 90 -bf 3 -refs 8 -b_strategy 1 -coder 1 -qmin 10 -qmax 51 -sc_threshold 40 -flags +loop -cmp chroma -me_range 16 -me_method umh -subq 9 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -direct-pred 3 -trellis 2 -partitions +parti8x8+parti4x4+partp8x8+partp4x4+partb8x8 -r 30 -keyint_min 25 -wpredp 2 -rc_lookahead 60 -acodec libfaac -ar 44100 pass2.mp4

    ...and here is my ffmpeg configuration :

    ffmpeg version 2.1.4 Copyright (c) 2000-2014 the FFmpeg developers
    
  built on Feb 25 2014 19:23:21 with gcc 4.6.3 (GCC) 20120306 (Red Hat 4.6.3-2)
    
  configuration: --enable-gpl --enable-libmp3lame --enable-libtheora --enable-libvo-aacenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-version3 --enable-libfaac --enable-nonfree
    
  libavutil      52. 48.101 / 52. 48.101
    
  libavcodec     55. 39.101 / 55. 39.101
    
  libavformat    55. 19.104 / 55. 19.104
    
  libavdevice    55.  5.100 / 55.  5.100
    
  libavfilter     3. 90.100 /  3. 90.100
    
  libswscale      2.  5.101 /  2.  5.101
    
  libswresample   0. 17.104 /  0. 17.104
    
  libpostproc    52.  3.100 / 52.  3.100
    
Hyper fast Audio and Video encoder
    
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...

    Any ideas would be greatly appreciated !

  • ffmpeg 2nd pass segfault

    25 février 2014, par Mike Flynn

    I'm trying to get an old transcoding server up and running in a new environment and I'm experiencing some issues getting the well tested ffmpeg commands to work in the new environment.

    It's a 2 pass encoding strategy, and the first pass runs just fine every time, the 2nd pass consistently fails with the following :

    [libx264 @ 0x3925fc0] 2nd pass has more frames than 1st pass (1478)
    
[libx264 @ 0x3925fc0] continuing anyway, at constant QP=14
    
[libx264 @ 0x3925fc0] disabling adaptive B-frames
    
[libx264 @ 0x3925fc0] specified frame type is not compatible with max B-frames
    
Segmentation fault

    Here is the command we're using for each pass :

    Pass 1 :

    ffmpeg -y -i input.mp4 -pass 1 -b 774000 -ab 128000 -s 640x360 -passlogfile ffmpeglog -vcodec libx264 -g 90 -bf 3 -refs 1 -b_strategy 1 -coder 1 -qmin 10 -qmax 51 -sc_threshold 40 -flags +loop -cmp chroma -me_range 16 -me_method dia -subq 2 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -direct-pred 3 -trellis 0 -partitions -parti8x8-parti4x4-partp8x8-partb8x8 -r 30 -keyint_min 25 -wpredp 2 -rc_lookahead 50 -acodec libfaac -ar 44100 pass1.mp4

    Pass 2 :

    ffmpeg -y -i pass1.mp4 -pass 2 -b 774000 -ab 128000 -s 640x360 -passlogfile ffmpeglog -vcodec libx264 -g 90 -bf 3 -refs 8 -b_strategy 1 -coder 1 -qmin 10 -qmax 51 -sc_threshold 40 -flags +loop -cmp chroma -me_range 16 -me_method umh -subq 9 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -direct-pred 3 -trellis 2 -partitions +parti8x8+parti4x4+partp8x8+partp4x4+partb8x8 -r 30 -keyint_min 25 -wpredp 2 -rc_lookahead 60 -acodec libfaac -ar 44100 pass2.mp4

    ...and here is my ffmpeg configuration :

    ffmpeg version 2.1.4 Copyright (c) 2000-2014 the FFmpeg developers
    
  built on Feb 25 2014 19:23:21 with gcc 4.6.3 (GCC) 20120306 (Red Hat 4.6.3-2)
    
  configuration: --enable-gpl --enable-libmp3lame --enable-libtheora --enable-libvo-aacenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-version3 --enable-libfaac --enable-nonfree
    
  libavutil      52. 48.101 / 52. 48.101
    
  libavcodec     55. 39.101 / 55. 39.101
    
  libavformat    55. 19.104 / 55. 19.104
    
  libavdevice    55.  5.100 / 55.  5.100
    
  libavfilter     3. 90.100 /  3. 90.100
    
  libswscale      2.  5.101 /  2.  5.101
    
  libswresample   0. 17.104 /  0. 17.104
    
  libpostproc    52.  3.100 / 52.  3.100
    
Hyper fast Audio and Video encoder
    
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...

    Any ideas would be greatly appreciated !

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