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• How can I compress or change the resolution of the video very fast with FFmpeg ?

  28 mai 2017, par Rares

  I would like to compress or change the resolution of the video before sending it to server but I don’t want to take too long. For example for the following code a video with size 100MB it takes 2-3 min to resize it to 10MB. Can I do it faster without losing too much quality ?

               String[] command = {"-i", filePath, "-vf", "scale=640:360", "-c:a", "copy", "-preset", "ultrafast", dest.getAbsolutePath()};

  Console output for above command :

      05-28 11:50:22.131 23323-23323/com.example.rares.peoplecounterapp D/TestFFmpeg: SUCCESS with output : ffmpeg version n3.0.1 Copyright (c) 2000-2016 the FFmpeg developers
  
                                                                                    built with gcc 4.8 (GCC)
  
                                                                                    configuration: --target-os=linux --cross-prefix=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-libass --enable-libfreetype --enable-libfribidi --enable-libmp3lame --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/vagrant/SourceCode/ffmpeg-android/ffmpeg-pkg-config --prefix=/home/vagrant/SourceCode/ffmpeg-android/build/armeabi-v7a --extra-cflags='-I/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all' --extra-ldflags='-L/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs='-lpng -lexpat -lm' --extra-cxxflags=
  
                                                                                    libavutil      55. 17.103 / 55. 17.103
  
                                                                                    libavcodec     57. 24.102 / 57. 24.102
  
                                                                                    libavformat    57. 25.100 / 57. 25.100
  
                                                                                    libavdevice    57.  0.101 / 57.  0.101
  
                                                                                    libavfilter     6. 31.100 /  6. 31.100
  
                                                                                    libswscale      4.  0.100 /  4.  0.100
  
                                                                                    libswresample   2.  0.101 /  2.  0.101
  
                                                                                    libpostproc    54.  0.100 / 54.  0.100
  
                                                                                  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/storage/emulated/0/DCIM/Camera/20170501_212606.mp4':
  
                                                                                    Metadata:
  
                                                                                      major_brand     : mp42
  
                                                                                      minor_version   : 0
  
                                                                                      compatible_brands: isommp42
  
                                                                                      creation_time   : 2017-05-01 18:26:46
  
                                                                                      com.android.version: 6.0
  
                                                                                    Duration: 00:00:38.70, start: 0.000000, bitrate: 17203 kb/s
  
                                                                                      Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080, 17007 kb/s, SAR 1:1 DAR 16:9, 29.98 fps, 29.92 tbr, 90k tbn, 180k tbc (default)
  
                                                                                      Metadata:
  
                                                                                        creation_time   : 2017-05-01 18:26:46
  
                                                                                        handler_name    : VideoHandle
  
                                                                                      Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 155 kb/s (default)
  
                                                                                      Metadata:
  
                                                                                        creation_time   : 2017-05-01 18:26:46
  
                                                                                        handler_name    : SoundHandle
  
                                                                                  [libx264 @ 0xf7344400] using SAR=1/1
  
                                                                                  [libx264 @ 0xf7344400] using cpu capabilities: none!
  
                                                                                  [libx264 @ 0xf7344400] profile Constrained Baseline, level 3.0
  
                                                                                  [libx264 @ 0xf7344400] 264 - core 148 - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - http://www.videolan.org/x264.html - options: cabac=0 ref=1 deblock=0:0:0 analyse=0:0 me=dia subme=0 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=9 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=250 keyint_min=25 scenecut=0 intra_refresh=0 rc=crf mbtree=0 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=0
  
                                                                                  Output #0, mp4, to '/storage/emulated/0/DCIM/Camera/20170501_212606_compressed97.mp4':
  
                                                                                    Metadata:
  
                                                                                      major_brand     : mp42
  
                                                                                      minor_version   : 0
  
                                                                                      compatible_brands: isommp42
  
                                                                                      com.android.version: 6.0
  
                                                                                      encoder         : Lavf57.25.100
  
                                                                                      Stream #0:0(eng): Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 640x360 [SAR 1:1 DAR 16:9], q=-1--1, 29.92 fps, 11488 tbn, 29.92 tbc (default)
  
                                                                                      Metadata:
  
                                                                                        creation_time   : 2017-05-01 18:26:46
  
                                                                                        handler_name    : VideoHandle
  
                                                                                        encoder         : Lavc57.24.102 libx264
  
                                                                                      Side data:
  
                                                                                        unknown side data type 10 (24 bytes)
  
                                                                                      Stream #0:1(eng): Audio: aac (LC) ([64][0][0][0] / 0x0040), 48000 Hz, stereo, 155 kb/s (default)
  
                                                                                      Metadata:
  
                                                                                        creation_time   : 2017-05-01 18:26:46
  
                                                                                        handler_name    : SoundHandle
  
                                                                                  Stream mapping:
  
                                                                                    Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
  
                                                                                    Stream #0:1 -> #0:1 (copy)
  
                                                                                  Press [q] to stop, [?] for help
  
                                                                                  frame=    6 fps=0.0 q=0.0 size=       0kB time=00:00:01.04 bitrate=   0.4kbits/s speed=1.96x    
  
                                                                                  frame=   15 fps=
  
  05-28 11:50:22.132 23323-23323/com.example.rares.peoplecounterapp D/TestFFmpeg: Finished command :ffmpeg [Ljava.lang.String;@d8854f

• OpenCV VideoWriter using ffmpeg with "Could not open codec 'libx264'" Error

  19 avril, par user2262504

  I am new to OpenCV, and I want write Mat images into video using VideoWriter on Ubuntu 12.04. But when constructing VideoWriter, errors came out.

  



  It seems that OpenCV invoke ffmpeg API using default parameters and ffmpeg invoke x264 using its default parameters. Then these setting is broken for libx264. Thus the "Could not open codec 'libx264'" error.

  



  Anyone has ideas to solve this problem ?

  



  More specifically :

  



  

  1. anyone knows where and how OpenCV invoke ffmpeg API ?

  


  2. how to change ffmpeg default settings using code, hopefull, can be easily embeded into OpenCV ?

  


  3. will changes of default in ffmpeg be carried to libx264 ?

  


  



  Errors :

  



  1. Uising CV_FOURCC(&#x27;H&#x27;, &#x27;2&#x27;, &#x27;6&#x27;, &#x27;4&#x27;)&#xA;[libx264 @ 0x255de40] broken ffmpeg default settings detected&#xA;[libx264 @ 0x255de40] use an encoding preset (e.g. -vpre medium)&#xA;[libx264 @ 0x255de40] preset usage: -vpre <speed> -vpre <profile>&#xA;[libx264 @ 0x255de40] speed presets are listed in x264 --help&#xA;[libx264 @ 0x255de40] profile is optional; x264 defaults to high&#xA;Could not open codec &#x27;libx264&#x27;: Unspecified error&#xA;&#xA;2. Using FOURCC = -1 to invoke user customized codec&#xA;OpenCV Error: Unsupported format or combination of formats (Gstreamer Opencv &#xA;backend doesn&#x27;t support this codec acutally.) in CvVideoWriter_GStreamer::open, &#xA;file /home/XXX/Downloads/opencv-2.4.8/modules/highgui/src/cap_gstreamer.cpp, &#xA;line 505 terminate called after throwing an instance of &#x27;cv::Exception&#x27;&#xA;what():  /home/XXX/Downloads/opencv-2.4.8/modules/highgui/src/cap_gstreamer.cpp:&#xA;505: error: (-210) Gstreamer Opencv backend doesn&#x27;t support this codec acutally.&#xA;in function CvVideoWriter_GStreamer::open&#xA;</profile></speed>

  



  Codes :

  



  int main(int argc, char *argv[])
{
    VideoWriter outputVideo;
    bool fourcc_on = true; //switch on / off different error
    if (fourcc_on)
        outputVideo.open("outVideo.avi", CV_FOURCC('H', '2', '6', '4'), 25, Size(100, 100), true);
    else
        outputVideo.open("outVideo.avi", -1, 25, Size(100, 100), true);

    if (!outputVideo.isOpened())
    {
        cout  << "Could not open the output video for write" << endl;
        return -1;
    }
    return 0;
}


  



  OpenCV Configuration :

  



  -- Detected version of GNU GCC: 46 (406)
-- Found OpenEXR: /usr/lib/libIlmImf.so
-- Looking for linux/videodev.h
-- Looking for linux/videodev.h - not found
-- Looking for linux/videodev2.h
-- Looking for linux/videodev2.h - found
-- Looking for sys/videoio.h
-- Looking for sys/videoio.h - not found
-- Looking for libavformat/avformat.h
-- Looking for libavformat/avformat.h - found
-- Looking for ffmpeg/avformat.h
-- Looking for ffmpeg/avformat.h - not found
-- Could NOT find JNI (missing:  JAVA_INCLUDE_PATH JAVA_INCLUDE_PATH2 JAVA_AWT_INCLUDE_PATH) 
-- 
-- General configuration for OpenCV 2.4.8 =====================================
--   Version control:               unknown
-- 
--   Platform:
--     Host:                        Linux 3.8.0-38-generic x86_64
--     CMake:                       2.8.7
--     CMake generator:             Unix Makefiles
--     CMake build tool:            /usr/bin/make
--     Configuration:               RELEASE
-- 
--   C/C++:
--     Built as dynamic libs?:      YES
--     C++ Compiler:                /usr/bin/c++  (ver 4.6)
--     C++ flags (Release):         -fsigned-char -W -Wall -Werror=return-type -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -msse -msse2 -msse3 -ffunction-sections -O3 -DNDEBUG  -DNDEBUG
--     C++ flags (Debug):           -fsigned-char -W -Wall -Werror=return-type -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -msse -msse2 -msse3 -ffunction-sections -g  -O0 -DDEBUG -D_DEBUG
--     C Compiler:                  /usr/bin/gcc
--     C flags (Release):           -fsigned-char -W -Wall -Werror=return-type -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -msse -msse2 -msse3 -ffunction-sections -O3 -DNDEBUG  -DNDEBUG
--     C flags (Debug):             -fsigned-char -W -Wall -Werror=return-type -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -msse -msse2 -msse3 -ffunction-sections -g  -O0 -DDEBUG -D_DEBUG
--     Linker flags (Release):      
--     Linker flags (Debug):        
--     Precompiled headers:         YES
-- 
--   OpenCV modules:
--     To be built:                 core flann imgproc highgui features2d calib3d ml video legacy objdetect photo gpu ocl nonfree contrib python stitching superres ts videostab
--     Disabled:                    world
--     Disabled by dependency:      -
--     Unavailable:                 androidcamera dynamicuda java
-- 
--   GUI: 
--     QT:                          NO
--     GTK+ 2.x:                    YES (ver 2.24.10)
--     GThread :                    YES (ver 2.32.4)
--     GtkGlExt:                    NO
--     OpenGL support:              NO
-- 
--   Media I/O: 
--     ZLib:                        /usr/lib/x86_64-linux-gnu/libz.so (ver 1.2.3.4)
--     JPEG:                        /usr/lib/x86_64-linux-gnu/libjpeg.so (ver )
--     PNG:                         /usr/lib/x86_64-linux-gnu/libpng.so (ver 1.2.46)
--     TIFF:                        /usr/lib/x86_64-linux-gnu/libtiff.so (ver 42 - 3.9.5)
--     JPEG 2000:                   /usr/lib/x86_64-linux-gnu/libjasper.so (ver 1.900.1)
--     OpenEXR:                     /usr/lib/libImath.so /usr/lib/libIlmImf.so /usr/lib/libIex.so /usr/lib/libHalf.so /usr/lib/libIlmThread.so (ver 1.6.1)
-- 
--   Video I/O:
--     DC1394 1.x:                  NO
--     DC1394 2.x:                  YES (ver 2.2.0)
--     FFMPEG:                      YES
--       codec:                     YES (ver 55.58.105)
--       format:                    YES (ver 55.37.101)
--       util:                      YES (ver 52.78.100)
--       swscale:                   YES (ver 2.6.100)
--       gentoo-style:              YES
--     GStreamer:                   
--       base:                      YES (ver 0.10.36)
--       app:                       YES (ver 0.10.36)
--       video:                     YES (ver 0.10.36)
--     OpenNI:                      NO
--     OpenNI PrimeSensor Modules:  NO
--     PvAPI:                       NO
--     GigEVisionSDK:               NO
--     UniCap:                      NO
--     UniCap ucil:                 NO
--     V4L/V4L2:                    Using libv4l (ver 1.0.1)
--     XIMEA:                       NO
--     Xine:                        NO
-- 
--   Other third-party libraries:
--     Use IPP:                     NO
--     Use Eigen:                   NO
--     Use TBB:                     NO
--     Use OpenMP:                  NO
--     Use GCD                      NO
--     Use Concurrency              NO
--     Use C=:                      NO
--     Use Cuda:                    NO
--     Use OpenCL:                  YES
-- 
--   OpenCL:
--     Version:                     dynamic
--     Include path:                /home/shixudongleo/Downloads/opencv-2.4.8/3rdparty/include/opencl/1.2
--     Use AMD FFT:                 NO
--     Use AMD BLAS:                NO
-- 
--   Python:
--     Interpreter:                 /usr/bin/python (ver 2.7.3)
--     Libraries:                   /usr/lib/libpython2.7.so
--     numpy:                       /usr/lib/python2.7/dist-packages/numpy/core/include (ver 1.6.1)
--     packages path:               lib/python2.7/dist-packages
-- 
--   Java:
--     ant:                         NO
--     JNI:                         NO
--     Java tests:                  NO
-- 
--   Documentation:
--     Build Documentation:         NO
--     Sphinx:                      NO
--     PdfLaTeX compiler:           /usr/bin/pdflatex
-- 
--   Tests and samples:
--     Tests:                       YES
--     Performance tests:           YES
--     C/C++ Examples:              NO
-- 
--   Install path:                  /usr/local
-- 
--   cvconfig.h is in:              /home/shixudongleo/Downloads/opencv-2.4.8/build
-- -----------------------------------------------------------------
-- 
-- Configuring done
-- Generating done
-- Build files have been written to: /home/XXX/Downloads/opencv-2.4.8/build


  



  FFMPEG

  



  ffmpeg is enable to support OpenCV and libx264 is enabled when compiling ffmpeg.
By using ffmpeg command line, libx264 is running normally.

  



  $ ffmpeg -i test.avi -vcodec libx264 test.mp4
ffmpeg -i test.avi -vcodec libx264 test.mp4 > ~/Downloads/ffmpeg_log.txt
ffmpeg version 2.2.git Copyright (c) 2000-2014 the FFmpeg developers
  built on Apr 24 2014 16:39:51 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
  configuration: --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-nonfree --enable-postproc --enable-version3 --enable-x11grab --enable-shared --enable-pic
  libavutil      52. 78.100 / 52. 78.100
  libavcodec     55. 58.105 / 55. 58.105
  libavformat    55. 37.101 / 55. 37.101
  libavdevice    55. 13.100 / 55. 13.100
  libavfilter     4.  4.100 /  4.  4.100
  libswscale      2.  6.100 /  2.  6.100
  libswresample   0. 18.100 /  0. 18.100
  libpostproc    52.  3.100 / 52.  3.100
Input #0, avi, from 'test.avi':
  Duration: 00:00:03.73, start: 0.000000, bitrate: 1757 kb/s
    Stream #0:0: Video: msvideo1 (CRAM / 0x4D415243), rgb555le, 320x240, 1781 kb/s, 15 tbr, 15 tbn, 15 tbc
    Metadata:
      title           : julius.avi Video #1
File 'test.mp4' already exists. Overwrite ? [y/N] y
No pixel format specified, yuv444p for H.264 encoding chosen.
Use -pix_fmt yuv420p for compatibility with outdated media players.
[libx264 @ 0x25d08e0] using cpu capabilities: none!
[libx264 @ 0x25d08e0] profile High 4:4:4 Predictive, level 1.2, 4:4:4 8-bit
[libx264 @ 0x25d08e0] 264 - core 142 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - 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=4 threads=12 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=15 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
Output #0, mp4, to 'test.mp4':
  Metadata:
    encoder         : Lavf55.37.101
    Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv444p, 320x240, q=-1--1, 15360 tbn, 15 tbc
    Metadata:
      title           : julius.avi Video #1
Stream mapping:
  Stream #0:0 -> #0:0 (msvideo1 -> libx264)
Press [q] to stop, [?] for help
frame=   56 fps=0.0 q=-1.0 Lsize=     321kB time=00:00:03.60 bitrate= 731.0kbits/s    
video:320kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.409949%
[libx264 @ 0x25d08e0] frame I:3     Avg QP:15.36  size:  7975
[libx264 @ 0x25d08e0] frame P:38    Avg QP:26.05  size:  6230
[libx264 @ 0x25d08e0] frame B:15    Avg QP:28.25  size:  4418
[libx264 @ 0x25d08e0] consecutive B-frames: 46.4% 53.6%  0.0%  0.0%
[libx264 @ 0x25d08e0] mb I  I16..4:  1.4% 72.8% 25.8%
[libx264 @ 0x25d08e0] mb P  I16..4:  1.6%  5.7% 15.1%  P16..4:  7.6%  6.3%  7.4%  0.0%  0.0%    skip:56.3%
[libx264 @ 0x25d08e0] mb B  I16..4:  0.2%  1.0%  2.0%  B16..8: 13.3%  7.8%  8.7%  direct: 8.3%  skip:58.8%  L0:34.9% L1:36.6% BI:28.5%
[libx264 @ 0x25d08e0] 8x8 transform intra:37.7% inter:2.3%
[libx264 @ 0x25d08e0] coded y,u,v intra: 52.1% 42.1% 30.1% inter: 19.6% 9.2% 5.2%
[libx264 @ 0x25d08e0] i16 v,h,dc,p: 56% 17% 24%  2%
[libx264 @ 0x25d08e0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 10% 16% 68%  1%  1%  1%  1%  1%  1%
[libx264 @ 0x25d08e0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 18% 28%  5%  6%  5%  7%  5%  6%
[libx264 @ 0x25d08e0] Weighted P-Frames: Y:31.6% UV:21.1%
[libx264 @ 0x25d08e0] ref P L0: 70.5%  9.0% 12.1%  6.5%  2.0%
[libx264 @ 0x25d08e0] ref B L0: 91.3%  8.7%
[libx264 @ 0x25d08e0] kb/s:700.56


  


• Launching ffmpeg from inside my C code doesn't convert video stream from fifo

  13 mai 2017, par abraxas1

  (Beaglebone Black, ubuntu 16.04 linux 4.4.62-ti-r99)

  I have a raw h264 feed coming into my C program (into a callback from a custom API) and then I named-piped the raw h264 to a file and this CLI command converts that file successfully.

  ffmpeg -report -re -framerate 30 -y -f h264 -i orbi_0148.cam1.h264 -c:v copy -an -video_size 1920x1080 -f mp4 orbi_0148.cam1-1.mp4

  I then try to launch this command from my program with the same options using execv(),

  first mkfifo the fifo’s,

  then launch ffmpeg (shown below) starts the streaming form the cameras to my callback function, and out to the fifos.

  I close the fifos at the end of video recording, and don’t get any file created and get this output, which I don’t understand at all.
  (the successful command line output follows below this output generated from execv())
  thanks, any help much appreciated.
  hardware has come in now and the spot light is on me.

  (execv output with options -report -y -i /tmp/fifocam3.h264 -c:v copy -an -video_size 1920x1080 -f mp4 /media/sd-card/orbi_0140.cam3.mp4)

  root@arm:/home/orbi# cat ffmpeg-20170511-001941.log 
  
  ffmpeg started on 2017-05-11 at 00:19:41
  
  Report written to "ffmpeg-20170511-001941.log"
  
  Command line:
  
  /usr/bin/ffmpeg -report -y -i /tmp/fifocam3.h264 -c:v copy -an -video_size 1920x1080 -f mp4 /media/sd-card/orbi_0140.cam3.mp4
  
  ffmpeg version 2.8.11-0ubuntu0.16.04.1 Copyright (c) 2000-2017 the FFmpeg developers
  
  
  
    built with gcc 5.4.0 (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.4) 20160609
  
    configuration: --prefix=/usr --extra-version=0ubuntu0.16.04.1 --build-suffix=-ffmpeg --toolchain=hardened --libdir=/usr/lib/arm-linux-gnueabihf --incdir=/usr/include/arm-linux-gnueabihf --cc=cc --cxx=g++ --enable-gpl --enable-shared --disable-stripping --disable-decoder=libopenjpeg --disable-decoder=libschroedinger --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librtmp --enable-libschroedinger --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzvbi --enable-openal --enable-opengl --enable-x11gr  libavutil      54. 31.100 / 54. 31.100
  
    libavcodec     56. 60.100 / 56. 60.100
  
    libavformat    56. 40.101 / 56. 40.101
  
    libavdevice    56.  4.100 / 56.  4.100
  
    libavfilter     5. 40.101 /  5. 40.101
  
    libavresample   2.  1.  0 /  2.  1.  0
  
    libswscale      3.  1.101 /  3.  1.101
  
    libswresample   1.  2.101 /  1.  2.101
  
    libpostproc    53.  3.100 / 53.  3.100
  
  Splitting the commandline.
  
  Reading option '-report' ... matched as option 'report' (generate a report) with argument '1'.
  
  Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
  
  Reading option '-i' ... matched as input url with argument '/tmp/fifocam3.h264'.
  
  Reading option '-c:v' ... matched as option 'c' (codec name) with argument 'copy'.
  
  Reading option '-an' ... matched as option 'an' (disable audio) with argument '1'.
  
  Reading option '-video_size' ... matched as AVOption 'video_size' with argument '1920x1080'.
  
  Reading option '-f' ... matched as option 'f' (force format) with argument 'mp4'.
  
  Reading option '/media/sd-card/orbi_0140.cam3.mp4' ... matched as output url.
  
  Finished splitting the commandline.
  
  Parsing a group of options: global .
  
  Applying option report (generate a report) with argument 1.
  
  Applying option y (overwrite output files) with argument 1.
  
  …
  
  Successfully parsed a group of options.
  
  Parsing a group of options: input url /tmp/fifocam3.h264.
  
  …
  
  Successfully parsed a group of options.
  
  Opening an input file: /tmp/fifocam3.h264.
  
  [h264 @ 0xf249a0] Format h264 probed with size=2048 and score=51
  
  [h264 @ 0xf249a0] Before avformat_find_stream_info() pos: 0 bytes read:32768 seeks:0
  
  [h264 @ 0xf25460] Current profile doesn't provide more RBSP data in PPS, skipping
  
  [h264 @ 0xf25460] bytestream overread -4
  
  [h264 @ 0xf25460] bytestream overread -4
  
  [h264 @ 0xf25460] bytestream overread -4
  
  [h264 @ 0xf25460] bytestream overread -4
  
  [h264 @ 0xf25460] bytestream overread -10
  
  [h264 @ 0xf25460] error while decoding MB 112 28, bytestream -10
  
  [h264 @ 0xf25460] concealing 4737 DC, 4737 AC, 4737 MV errors in P frame
  
  [h264 @ 0xf25460] Frame num gap 7 5
  
  
  
  
  
  /////// successful command line run  \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
  
  root@arm:/home/orbi# ffmpeg -report -re -framerate 30 -y -f h264 -i orbi_0148.cam1.h264 -c:v copy -an -video_size 1920x1080 -f mp4 orbi_0148.cam1-1.mp4
  
  
  
  root@arm:/home/orbi# cat ffmpeg-20170511-002629.log 
  
  ffmpeg started on 2017-05-11 at 00:26:29
  
  Report written to "ffmpeg-20170511-002629.log"
  
  Command line:
  
  ffmpeg -report -re -framerate 30 -y -f h264 -i orbi_0148.cam1.h264 -c:v copy -an -video_size 1920x1080 -f mp4 orbi_0148.cam1-1.mp4
  
  ffmpeg version 2.8.11-0ubuntu0.16.04.1 Copyright (c) 2000-2017 the FFmpeg developers
  
    built with gcc 5.4.0 (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.4) 20160609
  
    configuration: --prefix=/usr --extra-version=0ubuntu0.16.04.1 --build-suffix=-ffmpeg --toolchain=hardened --libdir=/usr/lib/arm-linux-gnueabihf --incdir=/usr/include/arm-linux-gnueabihf --cc=cc --cxx=g++ --enable-gpl --enable-shared --disable-stripping --disable-decoder=libopenjpeg --disable-decoder=libschroedinger --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librtmp --enable-libschroedinger --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzvbi --enable-openal --enable-opengl --enable-x11gr  libavutil      54. 31.100 / 54. 31.100
  
    libavcodec     56. 60.100 / 56. 60.100
  
    libavformat    56. 40.101 / 56. 40.101
  
    libavdevice    56.  4.100 / 56.  4.100
  
    libavfilter     5. 40.101 /  5. 40.101
  
    libavresample   2.  1.  0 /  2.  1.  0
  
    libswscale      3.  1.101 /  3.  1.101
  
    libswresample   1.  2.101 /  1.  2.101
  
    libpostproc    53.  3.100 / 53.  3.100
  
  Splitting the commandline.
  
  Reading option '-report' ... matched as option 'report' (generate a report) with argument '1'.
  
  Reading option '-re' ... matched as option 're' (read input at native frame rate) with argument '1'.
  
  Reading option '-framerate' ... matched as AVOption 'framerate' with argument '30'.
  
  Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
  
  Reading option '-f' ... matched as option 'f' (force format) with argument 'h264'.
  
  Reading option '-i' ... matched as input url with argument 'orbi_0148.cam1.h264'.
  
  Reading option '-c:v' ... matched as option 'c' (codec name) with argument 'copy'.
  
  Reading option '-an' ... matched as option 'an' (disable audio) with argument '1'.
  
  Reading option '-video_size' ... matched as AVOption 'video_size' with argument '1920x1080'.
  
  Reading option '-f' ... matched as option 'f' (force format) with argument 'mp4'.
  
  Reading option 'orbi_0148.cam1-1.mp4' ... matched as output url.
  
  Finished splitting the commandline.
  
  Parsing a group of options: global .
  
  Applying option report (generate a report) with argument 1.
  
  Applying option y (overwrite output files) with argument 1.
  
  …
  
  Successfully parsed a group of options.
  
  Parsing a group of options: input url orbi_0148.cam1.h264.
  
  Applying option re (read input at native frame rate) with argument 1.
  
  Applying option f (force format) with argument h264.
  
  …
  
  Successfully parsed a group of options.
  
  Opening an input file: orbi_0148.cam1.h264.
  
  [h264 @ 0x848a20] Before avformat_find_stream_info() pos: 0 bytes read:32768 seeks:0
  
  [h264 @ 0x8515b0] Current profile doesn't provide more RBSP data in PPS, skipping
  
  [h264 @ 0x8515b0] Current profile doesn't provide more RBSP data in PPS, skipping
  
  [h264 @ 0x848a20] max_analyze_duration 5000000 reached at 5005000 microseconds st:0
  
  [h264 @ 0x848a20] After avformat_find_stream_info() pos: 3773440 bytes read:3801088 seeks:0 frames:152
  
  Input #0, h264, from 'orbi_0148.cam1.h264':
  
    Duration: N/A, bitrate: N/A
  
      Stream #0:0, 152, 1/1200000: Video: h264 (Main), yuv420p(tv), 1920x1080, 29.97 fps, 29.97 tbr, 1200k tbn, 59.94 tbc
  
  Successfully opened the file.
  
  Parsing a group of options: output url orbi_0148.cam1-1.mp4.
  
  …
  
  Applying option c:v (codec name) with argument copy.
  
  Applying option an (disable audio) with argument 1.
  
  Applying option f (force format) with argument mp4.
  
  Successfully parsed a group of options.
  
  Opening an output file: orbi_0148.cam1-1.mp4.
  
  Successfully opened the file.
  
  [mp4 @ 0x8fb230] Codec for stream 0 does not use global headers but container format requires global headers
  
  Output #0, mp4, to 'orbi_0148.cam1-1.mp4':
  
    Metadata:
  
      encoder         : Lavf56.40.101
  
      Stream #0:0, 0, 1/1200000: Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 1920x1080, q=2-31, 29.97 fps, 29.97 tbr, 1200k tbn, 1200k tbc
  
  …
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (copy)
  
  Press [q] to stop, [?] for help
  
  [NULL @ 0x8515b0] Current profile doesn't provide more RBSP data in PPS, skipping    
  
  No more output streams to write to, finishing.e=00:00:08.64 bitrate=5887.7kbits/s    
  
  frame=  270 fps= 30 q=-1.0 Lsize=    6443kB time=00:00:08.97 bitrate=5880.6kbits/s    
  
  video:6440kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.056839%
  
  Input file #0 (orbi_0148.cam1.h264):
  
    Input stream #0:0 (video): 270 packets read (6594052 bytes); 
  
    Total: 270 packets (6594052 bytes) demuxed
  
  Output file #0 (orbi_0148.cam1-1.mp4):
  
    Output stream #0:0 (video): 270 packets muxed (6594052 bytes); 
  
    Total: 270 packets (6594052 bytes) muxed
  
  0 frames successfully decoded, 0 decoding errors
  
  [AVIOContext @ 0x931650] Statistics: 34 seeks, 308 writeouts
  
  [AVIOContext @ 0x851190] Statistics: 6594052 bytes read, 0 seeks