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• Compile FFMPEG + x264 - undefined references

  18 juin 2013, par Tishu

  I have been trying to find a solution online for a couple of days with no luck. I am using Ubuntu and trying to compile the latest FFMPEG stable version (1.0.1) with x264 support. I made sure I uninstalled any existing x264 then I downloaded the latest x264 source and compiled it with the following config :

  ./configure --prefix=$PREFIX \
  
      --enable-shared \
  
      --enable-static \
  
      --disable-gpac \
  
      --extra-cflags=" -I$ARM_INC -fPIC -DANDROID -fpic -mthumb-interwork -ffunction-sections -funwind-tables -fno-short-enums -D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__ -Wno-psabi -march=armv5te -msoft-float -mthumb -Os -fomit-frame-pointer -fno-strict-aliasing -finline-limit=64 -DANDROID -Wa,--noexecstack -MMD -MP " \
  
      --extra-ldflags=" -nostdlib -Bdynamic -Wl,--no-undefined -Wl,-z,noexecstack -Wl,-z,nocopyreloc -Wl,-soname,/usr/lib/libz.so -Wl,-rpath-link=$ARM_LIB,-dynamic-linker=/system/bin/linker -L$ARM_LIB -lc -lm -ldl -lgcc" \
  
      --cross-prefix=${ARM_PRE}- \
  
      --disable-asm \
  
      --host=arm-linux \
  
  
  
      make clean
  
      make install

  All goes well, and I checked the installed version :

  x264 -V
  
      x264 0.129.x
  
      built on Dec 27 2012, gcc: 4.6.1
  
      configuration: --bit-depth=8 --chroma-format=all
  
      x264 license: GPL version 2 or later

  I then try to compile FFMPEG with the following options :

  ./configure --target-os=linux \
  
      --enable-libx264 \
  
      --enable-gpl \
  
      --prefix=$PREFIX \
  
      --extra-cflags="-I/home/tishu/Workspaces/ffmpeg/ffmpeg/jni/ffmpeg-1.0.1/android/armv7-a/include -I/home/tishu/Workspaces/ffmpeg/ffmpeg/jni/x264 -O3 -fpic -DANDROID -DHAVE_SYS_UIO_H=1 -Dipv6mr_interface=ipv6mr_ifindex -fasm -Wno-psabi -fno-short-enums  -fno-strict-aliasing -finline-limit=300 $OPTIMIZE_CFLAGS " \
  
      --extra-ldflags="-Wl,-rpath-link=$PLATFORM/usr/lib -L/home/tishu/Workspaces/ffmpeg/ffmpeg/jni/ffmpeg-1.0.1/android/armv7-a/lib -L$PLATFORM/usr/lib -nostdlib -lc -lm -ldl -llog" \
  
      --enable-cross-compile \
  
      --extra-libs="-lgcc" \
  
      --arch=arm \
  
      --cc=$PREBUILT/bin/arm-linux-androideabi-gcc \
  
      --cross-prefix=$PREBUILT/bin/arm-linux-androideabi- \
  
      --nm=$PREBUILT/bin/arm-linux-androideabi-nm \
  
      --sysroot=$PLATFORM \

  The configure and make clean/make install work well, but when I try to create the .so file the following command fails :

  /home/tishu/Apps/android-ndk-r8d/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86/bin/arm-linux-androideabi-ld 
  
      -rpath-link=./android/armv7-a/usr/lib -L/home/tishu/Apps/android-ndk-r8d/platforms/android-14/arch-arm/usr/lib -soname libffmpeg.so -shared -nostdlib  -z,noexecstack -Bsymbolic \
  
      --whole-archive --no-undefined -o ./android/armv7-a/libffmpeg.so libavcodec/libavcodec.a libavformat/libavformat.a libavutil/libavutil.a libswscale/libswscale.a -lc -lm -lz -ldl -llog  \
  
      --warn-once \
  
      --dynamic-linker=/system/bin/linker /home/tishu/Apps/android-ndk-r8d/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86/lib/gcc/arm-linux-androideabi/4.4.3/libgcc.a

  This fails with the following output :

  libavcodec/libavcodec.a(libx264.o): In function `X264_frame':
  
  /home/tishu/Workspaces/ffmpeg/ffmpeg/jni/ffmpeg-1.0.1/libavcodec/libx264.c:159: undefined reference to `x264_picture_init'
  
  /home/tishu/Workspaces/ffmpeg/ffmpeg/jni/ffmpeg-1.0.1/libavcodec/libx264.c:179: undefined reference to `x264_encoder_reconfig'
  
  /home/tishu/Workspaces/ffmpeg/ffmpeg/jni/ffmpeg-1.0.1/libavcodec/libx264.c:190: undefined reference to `x264_encoder_encode'
  
  /home/tishu/Workspaces/ffmpeg/ffmpeg/jni/ffmpeg-1.0.1/libavcodec/libx264.c:196: undefined reference to `x264_encoder_delayed_frames'
  
  libavcodec/libavcodec.a(libx264.o): In function `encode_nals':
  
  /home/tishu/Workspaces/ffmpeg/ffmpeg/jni/ffmpeg-1.0.1/libavcodec/libx264.c:101: undefined reference to `x264_bit_depth'
  
  libavcodec/libavcodec.a(libx264.o): In function `X264_close':
  
  /home/tishu/Workspaces/ffmpeg/ffmpeg/jni/ffmpeg-1.0.1/libavcodec/libx264.c:231: undefined reference to `x264_encoder_close'
  
  libavcodec/libavcodec.a(libx264.o): In function `X264_init':
  
  /home/tishu/Workspaces/ffmpeg/ffmpeg/jni/ffmpeg-1.0.1/libavcodec/libx264.c:284: undefined reference to `x264_param_default'
  
  /home/tishu/Workspaces/ffmpeg/ffmpeg/jni/ffmpeg-1.0.1/libavcodec/libx264.c:292: undefined reference to `x264_param_default_preset'
  
  /home/tishu/Workspaces/ffmpeg/ffmpeg/jni/ffmpeg-1.0.1/libavcodec/libx264.c:314: undefined reference to `x264_param_parse'
  
  /home/tishu/Workspaces/ffmpeg/ffmpeg/jni/ffmpeg-1.0.1/libavcodec/libx264.c:459: undefined reference to `x264_param_apply_fastfirstpass'
  
  /home/tishu/Workspaces/ffmpeg/ffmpeg/jni/ffmpeg-1.0.1/libavcodec/libx264.c:490: undefined reference to `x264_param_apply_profile'
  
  /home/tishu/Workspaces/ffmpeg/ffmpeg/jni/ffmpeg-1.0.1/libavcodec/libx264.c:533: undefined reference to `x264_encoder_open_129'
  
  /home/tishu/Workspaces/ffmpeg/ffmpeg/jni/ffmpeg-1.0.1/libavcodec/libx264.c:544: undefined reference to `x264_encoder_headers'

  The x264 version it is looking for (129) is the one installed and compiled succesfully with —eanable-shared. Obviously all compiles fine when I do not include libx64.

  Question : How can I specify the include path for the last command ? I tried adding the path to $PATH and also adding this as an argument with no luck : -I/home/tishu/Workspaces/ffmpeg/ffmpeg/jni/x264

  Thanks

• ffmpeg pipe webcam stream input to two outputs image and video with audio included

  23 septembre 2017, par Arianna Gomez Vargas

  I have the next command :

  sudo ffmpeg -ar 44100 -ac 2 -f alsa -i hw:1,0 -f v4l2 -codec:v h264       -codec:a aac -ab 128k -framerate 30 -video_size hd720 -itsoffset 0.5 -i /dev/video0 -vf fps=1 snapsh%d.png -f mpeg -b:v 5000k -copyinkf -codec:v copy -codec:a aac -ab 128k -g 10 - | sudo ffmpeg -y -i - out.mp4

  and the objetive it is record audio and video simultaneously, and pipe the output to be capable to take screnshots of the output video. I’m using a logitech webcam, raspberry pi 3, the last version of ffmpeg with h264 and alsa support.

  But it is not working for me :(, I think that the problem it is enconding the audio stream, but I can find a solution yet.
  Someone have any suggest ? Thanks

  This is the output

  ffmpeg version N-86204-g8794cfb Copyright (c) 2000-2017 the FFmpeg developers
  
  built with gcc 4.9.2 (Raspbian 4.9.2-10)
  
  configuration: --enable-nonfree --enable-gpl --enable-libx264 --enable-libfdk-aac
  
  libavutil 55. 63.100 / 55. 63.100
  
  libavcodec 57. 96.101 / 57. 96.101
  
  libavformat 57. 72.101 / 57. 72.101
  
  libavdevice 57. 7.100 / 57. 7.100
  
  libavfilter 6. 90.100 / 6. 90.100
  
  libswscale 4. 7.101 / 4. 7.101
  
  libswresample 2. 8.100 / 2. 8.100
  
  libpostproc 54. 6.100 / 54. 6.100
  
  Guessed Channel Layout for Input Stream #0.0 : stereo
  
  Input #0, alsa, from 'hw:1,0':
  
  Duration: N/A, start: 1506129856.832380, bitrate: 1024 kb/s
  
  Stream #0:0: Audio: pcm_s16le, 32000 Hz, stereo, s16, 1024 kb/s
  
  Input #1, video4linux2,v4l2, from '/dev/video0':
  
  Duration: N/A, start: 1821.745623, bitrate: N/A
  
  Stream #1:0: Video: h264 (Constrained Baseline), yuvj420p(pc, progressive), 1280x720 [SAR 1:1 DAR 16:9], 30 fps, 30 tbr, 1000k tbn, 60 tbc
  
  Stream mapping:
  
  Stream #1:0 -> #0:0 (h264 (native) -> png (native))
  
  Stream #1:0 -> #1:0 (copy)
  
  Stream #0:0 -> #1:1 (pcm_s16le (native) -> aac (native))
  
  Press [q] to stop, [?] for help
  
  [video4linux2,v4l2 @ 0x23a2710] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
  
  [swscaler @ 0x25d4f40] deprecated pixel format used, make sure you did set range correctly
  
  [swscaler @ 0x25d4f40] No accelerated colorspace conversion found from yuv420p to rgb24.
  
  Output #0, image2, to '/home/pi/proyecto-aula-master/Videos/snapsh%d.png':
  
  Metadata:
  
  encoder : Lavf57.72.101
  
  Stream #0:0: Video: png, rgb24, 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 1 fps, 1 tbn, 1 tbc
  
  Metadata:
  
  encoder : Lavc57.96.101 png
  
  [alsa @ 0x23904f0] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
  
  [mpeg @ 0x23a48d0] VBV buffer size not set, using default size of 130KB
  
  If you want the mpeg file to be compliant to some specification
  
  Like DVD, VCD or others, make sure you set the correct buffer size
  
  Output #1, mpeg, to 'pipe:':
  
  Metadata:
  
  encoder : Lavf57.72.101
  
  Stream #1:0: Video: h264 (Constrained Baseline), yuvj420p(pc, progressive), 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 5000 kb/s, 30 fps, 30 tbr, 90k tbn, 30 tbc
  
  Stream #1:1: Audio: aac (LC), 32000 Hz, stereo, fltp, 128 kb/s
  
  Metadata:
  
  encoder : Lavc57.96.101 aac
  
  [mpeg @ 0x23a48d0] Non-monotonous DTS in output stream 1:0; previous: 45000, current: 29998; changing to 45001. This may result in incorrect timestamps in the output file.
  
  [mpeg @ 0x23a48d0] Non-monotonous DTS in output stream 1:0; previous: 45001, current: 32879; changing to 45002. This may result in incorrect timestamps in the output file.
  
  [mpeg @ 0x23a48d0] Non-monotonous DTS in output stream 1:0; previous: 45002, current: 35759; changing to 45003. This may result in incorrect timestamps in the output file.
  
  [mpeg @ 0x23a48d0] Non-monotonous DTS in output stream 1:0; previous: 45003, current: 38999; changing to 45004. This may result in incorrect timestamps in the output file.
  
  [mpeg @ 0x23a48d0] Non-monotonous DTS in output stream 1:0; previous: 45004, current: 41880; changing to 45005. This may result in incorrect timestamps in the output file.
  
  [mpeg @ 0x23a48d0] Non-monotonous DTS in output stream 1:0; previous: 45005, current: 44759; changing to 45006. This may result in incorrect timestamps in the output file.
  
  frame= 0 fps=0.0 q=0.0 q=-1.0 size=N/A time=00:00:01.09 bitrate=N/A speed=2.0frame= 2 fps=1.8 q=0.0 q=-1.0 size=N/A time=00:00:01.76 bitrate=N/A dup=1 dro[alsa @ 0x23904f0] ALSA buffer xrun.
  
  frame= 3 fps=1.8 q=-0.0 q=-1.0 size=N/A time=00:00:02.19 bitrate=N/A dup=1 drframe= 3 fps=1.4 q=-0.0 q=-1.0 size=N/A time=00:00:02.86 bitrate=N/A dup=1 drframe= 4 fps=1.5 q=-0.0 q=-1.0 size=N/A time=00:00:03.36 bitrate=N/A dup=1 drframe= 4 fps=1.3 q=-0.0 q=-1.0 size=N/A time=00:00:03.86 bitrate=N/A dup=1 drframe= 5 fps=1.4 q=-0.0 q=-1.0 size=N/A time=00:00:04.36 bitrate=N/A dup=1 drframe= 5 fps=1.2 q=-0.0 q=-1.0 size=N/A time=00:00:04.86 bitrate=N/A dup=1 dr[alsa @ 0x23904f0] ALSA buffer xrun.
  
  [mp2 @ 0x262b660] Header missing
  
  frame= 6 fps=1.2 q=-0.0 q=-1.0 size=N/A time=00:00:05.38 bitrate=N/A dup=1 drframe= 7 fps=1.3 q=-0.0 q=-1.0 size=N/A time=00:00:06.16 bitrate=N/A dup=1 drframe= 7 fps=1.2 q=-0.0 q=-1.0 size=N/A time=00:00:06.79 bitrate=N/A dup=1 drframe= 8 fps=1.2 q=-0.0 q=-1.0 size=N/A time=00:00:07.29 bitrate=N/A dup=1 drframe= 8 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:07.79 bitrate=N/A dup=1 dr[alsa @ 0x23904f0] ALSA buffer xrun.
  
  frame= 9 fps=1.2 q=-0.0 q=-1.0 size=N/A time=00:00:08.16 bitrate=N/A dup=1 dr[mpeg @ 0x262a1c0] DTS discontinuity in stream 1: packet 6 with DTS 92886, packet 7 with DTS 95880
  
  frame= 9 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:08.38 bitrate=N/A dup=1 drframe= 10 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:09.19 bitrate=N/A dup=1 drframe= 10 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:09.96 bitrate=N/A dup=1 drframe= 11 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:10.39 bitrate=N/A dup=1 drframe= 11 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:10.96 bitrate=N/A dup=1 dr[alsa @ 0x23904f0] ALSA buffer xrun.
  
  frame= 12 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:11.40 bitrate=N/A dup=1 drframe= 12 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:12.06 bitrate=N/A dup=1 drframe= 13 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:12.56 bitrate=N/A dup=1 drframe= 13 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:13.06 bitrate=N/A dup=1 drframe= 14 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:13.56 bitrate=N/A dup=1 drframe= 14 fps=1.0 q=-0.0 q=-1.0 size=N/A time=00:00:14.06 bitrate=N/A dup=1 dr[alsa @ 0x23904f0] ALSA buffer xrun.
  
  [mpeg @ 0x262a1c0] decoding for stream 0 failed
  
  [mpeg @ 0x262a1c0] Could not find codec parameters for stream 0 (Audio: mp2, 0 channels, s16p): unspecified frame size
  
  Consider increasing the value for the 'analyzeduration' and 'probesize' options
  
  Input #0, mpeg, from 'pipe:':
  
  Duration: N/A, start: 0.500000, bitrate: N/A
  
  Stream #0:0[0x1c0]: Audio: mp2, 0 channels, s16p
  
  Stream #0:1[0x1e2]: Video: h264 (Constrained Baseline), yuvj420p(pc, progressive), 1280x720 [SAR 1:1 DAR 16:9], 30 fps, 30 tbr, 90k tbn, 60 tbc
  
  Stream mapping:
  
  Stream #0:1 -> #0:0 (h264 (native) -> h264 (libx264))
  
  Stream #0:0 -> #0:1 (mp2 (native) -> aac (native))
  
  [mp2 @ 0x262cde0] Header missing
  
  Error while decoding stream #0:0: Invalid data found when processing input
  
  No pixel format specified, yuvj420p for H.264 encoding chosen.
  
  Use -pix_fmt yuv420p for compatibility with outdated media players.
  
  [libx264 @ 0x26417d0] using SAR=1/1
  
  [libx264 @ 0x26417d0] using cpu capabilities: ARMv6 NEON
  
  [libx264 @ 0x26417d0] profile High, level 3.1
  
  [libx264 @ 0x26417d0] 264 - core 150 r2833 df79067 - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - 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=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
  
  frame= 19 fps=0.0 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 36 fps= 34 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 47 fps=9.5 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 52 fps=9.2 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 56 fps=9.0 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 60 fps=8.8 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 64 fps=8.6 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 69 fps=7.2 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 71 fps=7.0 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 73 fps=6.9 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 76 fps=6.2 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 80 fps=6.3 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 82 fps=5.8 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 85 fps=5.8 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 87 fps=5.7 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 89 fps=5.4 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 90 fps=5.3 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 93 fps=5.3 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 95 fps=5.2 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 97 fps=5.0 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 99 fps=5.0 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 102 fps=5.0 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 103 fps=4.9 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 105 fps=4.7 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 108 fps=4.7 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 110 fps=4.7 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 112 fps=4.6 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 114 fps=4.5 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 117 fps=4.5 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 120 fps=4.5 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 122 fps=4.4 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 123 fps=4.4 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 126 fps=4.3 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 128 fps=4.3 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 130 fps=4.2 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 132 fps=4.2 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 135 fps=4.2 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 138 fps=4.2 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbToo many packets buffered for output stream 0:0.
  
  [libx264 @ 0x26417d0] frame I:1 Avg QP:16.64 size: 29761
  
  [libx264 @ 0x26417d0] frame P:36 Avg QP:21.71 size: 9196
  
  [libx264 @ 0x26417d0] frame B:92 Avg QP:24.13 size: 4641
  
  [libx264 @ 0x26417d0] consecutive B-frames: 0.8% 0.0% 32.1% 67.2%
  
  [libx264 @ 0x26417d0] mb I I16..4: 24.3% 49.7% 25.9%
  
  [libx264 @ 0x26417d0] mb P I16..4: 11.2% 10.0% 0.2% P16..4: 41.0% 6.2% 3.7% 0.0% 0.0% skip:27.7%
  
  [libx264 @ 0x26417d0] mb B I16..4: 5.0% 5.5% 0.0% B16..8: 40.1% 3.0% 0.2% direct: 1.6% skip:44.6% L0:59.9% L1:38.4% BI: 1.7%
  
  [libx264 @ 0x26417d0] 8x8 transform intra:49.7% inter:79.4%
  
  [libx264 @ 0x26417d0] coded y,uvDC,uvAC intra: 10.0% 13.9% 0.3% inter: 8.6% 11.3% 0.0%
  
  [libx264 @ 0x26417d0] i16 v,h,dc,p: 43% 24% 16% 16%
  
  [libx264 @ 0x26417d0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 42% 18% 36% 1% 0% 0% 1% 0% 1%
  
  [libx264 @ 0x26417d0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 50% 19% 16% 3% 2% 2% 3% 3% 3%
  
  [libx264 @ 0x26417d0] i8c dc,h,v,p: 70% 14% 16% 0%
  
  [libx264 @ 0x26417d0] Weighted P-Frames: Y:2.8% UV:0.0%
  
  [libx264 @ 0x26417d0] ref P L0: 39.8% 7.3% 42.5% 10.4% 0.0%
  
  [libx264 @ 0x26417d0] ref B L0: 44.7% 41.0% 14.2%
  
  [libx264 @ 0x26417d0] ref B L1: 70.0% 30.0%
  
  [libx264 @ 0x26417d0] kb/s:1465.58
  
  Exiting normally, received signal 2.

• How to read ffmpeg response from java and use it to create a progress bar ?

  7 septembre 2017, par shalki

  I am working on creating a progress bar for ffmpeg in java. So for that I need to execute a command, then read all of the progress :

  String[] command = {"gnome-terminal", "-x", "/bin/sh", "-c","ffmpeg -i /home/tmp/F.webm /home/tmp/converted1.mp4"};
  
  
  
  Process process = Runtime.getRuntime().exec(command);

  This runs perfectly. However, I need to capture the all of the progress to make a progress bar. So how can I read that data from java ?