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  • ffmpeg cannot convert swf to video or gif

    6 octobre 2016, par KhiemNS

    I'trying to convert some swf files to video or gif using ffmpeg but the output is strange. it has only some images or nothing.

    Here is my swf files. It just a very simple swf and i think it could be converted.

    Can every swf files be converted to gif/video using ffmpeg? Which can and which cannot?

  • How can I analyze file and detect if the file is in H.264 video format ? [on hold]

    5 octobre 2016, par codeDom

    I write software C/C++ to recover deleted files, and I need to identify files according to their binary content, so my question is there a simple way to know if a particular file is H.264 format video? is H.264 has an signature?

    I saw the code of FFMPEG here, but can it help me, how?

  • ffmpeg | x265 VS ffmpeg

    5 octobre 2016, par Kdmeizk

    What are advantages (like a better result for example) to use

    ffmpeg -i input -pix_fmt yuv444p -f yuv4mpegpipe - | x265.exe --input - --y4m --output output

    instead of

    ffmpeg -i input -pix_fmt yuv444p -c:v libx265 output

    I saw often the first command, but with a bit of tests, the result is exactly the same for I/P/B frame numbers, and differ only of 20 B/s for I frame (plus, I assume this difference should not be taken into account).

  • Video HLS with AVPlayer

    5 octobre 2016, par Charlie227

    I've converted .MOV video using this command line :

    ffmpeg -re -i 123.mov -vcodec copy -map 0 -f segment -segment_list 123.m3u8 \-segment_list_flags +live -segment_time 3 123%03d.ts

    output :

        ffmpeg version N-81872-gbe1d324 Copyright (c) 2000-2016 the FFmpeg developers
      built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-4)
      configuration: --prefix=/usr/local --enable-gpl --enable-nonfree
      libavutil      55. 32.100 / 55. 32.100
      libavcodec     57. 60.101 / 57. 60.101
      libavformat    57. 51.102 / 57. 51.102
      libavdevice    57.  0.102 / 57.  0.102
      libavfilter     6. 63.100 /  6. 63.100
      libswscale      4.  1.100 /  4.  1.100
      libswresample   2.  2.100 /  2.  2.100
      libpostproc    54.  0.100 / 54.  0.100
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '123.mov':
      Metadata:
        major_brand     : qt  
        minor_version   : 0
        compatible_brands: qt  
        creation_time   : 2016-09-26T19:34:01.000000Z
      Duration: 00:00:20.00, start: 0.000000, bitrate: 1210 kb/s
        Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 540x960, 1088 kb/s, 30 fps, 30 tbr, 600 tbn, 1200 tbc (default)
        Metadata:
          creation_time   : 2016-09-26T19:34:01.000000Z
          handler_name    : Core Media Data Handler
          encoder         : H.264
        Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 114 kb/s (default)
        Metadata:
          creation_time   : 2016-09-26T19:34:01.000000Z
          handler_name    : Core Media Data Handler
    Output #0, segment, to '123%03d.ts':
      Metadata:
        major_brand     : qt  
        minor_version   : 0
        compatible_brands: qt  
        encoder         : Lavf57.51.102
        Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 540x960, q=2-31, 1088 kb/s, 30 fps, 30 tbr, 90k tbn, 600 tbc (default)
        Metadata:
          creation_time   : 2016-09-26T19:34:01.000000Z
          handler_name    : Core Media Data Handler
          encoder         : H.264
        Stream #0:1(und): Audio: mp2, 44100 Hz, stereo, s16, 384 kb/s (default)
        Metadata:
          creation_time   : 2016-09-26T19:34:01.000000Z
          handler_name    : Core Media Data Handler
          encoder         : Lavc57.60.101 mp2
    Stream mapping:
      Stream #0:0 -> #0:0 (copy)
      Stream #0:1 -> #0:1 (aac (native) -> mp2 (native))
    Press [q] to stop, [?] for help
    frame=    1 fps=1.0 q=-1.0 size=N/A time=00:00:01.00 bitrate=N/A speed=0.996x   
 frame=   32 fps= 16 q=-1.0 size=N/A time=00:00:02.00 bitrate=N/A speed=0.987x   
 frame=   47 fps= 19 q=-1.0 size=N/A time=00:00:02.52 bitrate=N/A speed=0.996x   
 frame=   63 fps= 21 q=-1.0 size=N/A time=00:00:03.01 bitrate=N/A speed=0.993x   
  frame=   77 fps= 22 q=-1.0 size=N/A time=00:00:03.54 bitrate=N/A speed=0.998x   
 frame=   93 fps= 23 q=-1.0 size=N/A time=00:00:04.03 bitrate=N/A speed=0.995x   
  frame=  108 fps= 24 q=-1.0 size=N/A time=00:00:04.56 bitrate=N/A speed=0.999x   
 frame=  123 fps= 24 q=-1.0 size=N/A time=00:00:05.05 bitrate=N/A speed=0.997x   
  frame=  139 fps= 25 q=-1.0 size=N/A time=00:00:05.55 bitrate=N/A speed=0.996x   
 frame=  154 fps= 25 q=-1.0 size=N/A time=00:00:06.04 bitrate=N/A speed=0.994x   
  frame=  169 fps= 26 q=-1.0 size=N/A time=00:00:06.57 bitrate=N/A speed=0.997x   
  frame=  184 fps= 26 q=-1.0 size=N/A time=00:00:07.09 bitrate=N/A speed=0.999x   
  frame=  199 fps= 26 q=-1.0 size=N/A time=00:00:07.59 bitrate=N/A speed=0.998x   
  frame=  230 fps= 27 q=-1.0 size=N/A time=00:00:08.58 bitrate=N/A speed=0.995x   
  frame=  261 fps= 27 q=-1.0 size=N/A time=00:00:09.60 bitrate=N/A speed=0.996x   
  frame=  275 fps= 27 q=-1.0 size=N/A time=00:00:10.12 bitrate=N/A speed=0.998x   
  frame=  306 fps= 27 q=-1.0 size=N/A time=00:00:11.14 bitrate=N/A speed=0.999x   
  frame=  337 fps= 28 q=-1.0 size=N/A time=00:00:12.13 bitrate=N/A speed=0.997x   
  frame=  352 fps= 28 q=-1.0 size=N/A time=00:00:12.65 bitrate=N/A speed=0.998x   
  frame=  367 fps= 28 q=-1.0 size=N/A time=00:00:13.15 bitrate=N/A speed=0.997x   
  frame=  382 fps= 28 q=-1.0 size=N/A time=00:00:13.67 bitrate=N/A speed=0.999x   
  frame=  412 fps= 28 q=-1.0 size=N/A time=00:00:14.69 bitrate=N/A speed=0.999x   
  frame=  428 fps= 28 q=-1.0 size=N/A time=00:00:15.19 bitrate=N/A speed=0.998x   
  frame=  443 fps= 28 q=-1.0 size=N/A time=00:00:15.68 bitrate=N/A speed=0.998x   
  frame=  473 fps= 28 q=-1.0 size=N/A time=00:00:16.70 bitrate=N/A speed=0.998x   
  frame=  488 fps= 28 q=-1.0 size=N/A time=00:00:17.22 bitrate=N/A speed=0.999x   
  frame=  519 fps= 28 q=-1.0 size=N/A time=00:00:18.24 bitrate=N/A speed=0.999x   
  frame=  550 fps= 29 q=-1.0 size=N/A time=00:00:19.24 bitrate=N/A speed=0.998x   
  frame=  565 fps= 29 q=-1.0 size=N/A time=00:00:19.76 bitrate=N/A speed=0.999x   
  frame=  601 fps= 30 q=-1.0 Lsize=N/A time=00:00:20.02 bitrate=N/A speed=   1x    
    video:2663kB audio:939kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown

    The final video is available here, i'm able to read it from Safari on Mac OS, but it doesn't work on iOS using AVPlayer or Safari.

    I also tried to play it using this sample code provided by Apple, however i get the following error : "The decoder required for this media cannot be found"

    Any help is appreciated

    edit 1

    I've edit the command line, and now i'm able to play the video using AVPlayer, but there is no sound...

    ffmpeg -i 123.mov -c:a libfdk_aac -profile:a aac_he -b:a 64k -c:v h264 -preset slow -map 0 -an -flags -global_header -f hls -hls_time 2 123%03d.ts

    OUTPUT :

        ffmpeg version N-81883-gbeb877b Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-4)
  configuration: --enable-gpl --enable-nonfree --enable-shared --enable-libfdk-aac --enable-libx264 --extra-cflags=-I/usr/local/include --extra-ldflags=-L/usr/local/lib
  libavutil      55. 32.100 / 55. 32.100
  libavcodec     57. 60.101 / 57. 60.101
  libavformat    57. 51.102 / 57. 51.102
  libavdevice    57.  0.102 / 57.  0.102
  libavfilter     6. 63.100 /  6. 63.100
  libswscale      4.  1.100 /  4.  1.100
  libswresample   2.  2.100 /  2.  2.100
  libpostproc    54.  0.100 / 54.  0.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '123.mov':
  Metadata:
    major_brand     : qt  
    minor_version   : 0
    compatible_brands: qt  
    creation_time   : 2016-09-26T19:34:01.000000Z
  Duration: 00:00:20.00, start: 0.000000, bitrate: 1210 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 540x960, 1088 kb/s, 30 fps, 30 tbr, 600 tbn, 1200 tbc (default)
    Metadata:
      creation_time   : 2016-09-26T19:34:01.000000Z
      handler_name    : Core Media Data Handler
      encoder         : H.264
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 114 kb/s (default)
    Metadata:
      creation_time   : 2016-09-26T19:34:01.000000Z
      handler_name    : Core Media Data Handler
Codec AVOption b (set bitrate (in bits/s)) specified for output file #0 (123%03d.ts) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
Codec AVOption profile () specified for output file #0 (123%03d.ts) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
[libx264 @ 0x14ca8a0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
[libx264 @ 0x14ca8a0] profile High, level 3.1
Output #0, hls, to '123%03d.ts':
  Metadata:
    major_brand     : qt  
    minor_version   : 0
    compatible_brands: qt  
    encoder         : Lavf57.51.102
    Stream #0:0(und): Video: h264 (libx264), yuv420p, 540x960, q=-1--1, 30 fps, 90k tbn, 30 tbc (default)
    Metadata:
      creation_time   : 2016-09-26T19:34:01.000000Z
      handler_name    : Core Media Data Handler
      encoder         : Lavc57.60.101 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Press [q] to stop, [?] for help
frame=  600 fps= 79 q=-1.0 Lsize=N/A time=00:00:19.90 bitrate=N/A dup=1 drop=0 speed=2.63x    
video:3542kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
[libx264 @ 0x14ca8a0] frame I:18    Avg QP:21.70  size: 13958
[libx264 @ 0x14ca8a0] frame P:326   Avg QP:23.78  size:  7702
[libx264 @ 0x14ca8a0] frame B:256   Avg QP:24.83  size:  3380
[libx264 @ 0x14ca8a0] consecutive B-frames: 26.8% 46.0%  8.5% 18.7%
[libx264 @ 0x14ca8a0] mb I  I16..4: 21.5% 71.7%  6.9%
[libx264 @ 0x14ca8a0] mb P  I16..4: 14.9% 29.6%  1.5%  P16..4: 32.2%  5.4%  2.2%  0.0%  0.0%    skip:14.1%
[libx264 @ 0x14ca8a0] mb B  I16..4:  3.0%  4.4%  0.3%  B16..8: 37.9%  4.5%  0.4%  direct: 5.0%  skip:44.6%  L0:50.0% L1:47.1% BI: 2.9%
[libx264 @ 0x14ca8a0] 8x8 transform intra:64.3% inter:82.5%
[libx264 @ 0x14ca8a0] direct mvs  spatial:97.7% temporal:2.3%
[libx264 @ 0x14ca8a0] coded y,uvDC,uvAC intra: 30.0% 44.4% 4.9% inter: 10.1% 20.7% 0.4%
[libx264 @ 0x14ca8a0] i16 v,h,dc,p: 29% 33% 13% 26%
[libx264 @ 0x14ca8a0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 23% 24% 18%  4%  5%  6%  8%  5%  6%
[libx264 @ 0x14ca8a0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 35% 11%  4%  6%  5%  9%  4%  6%
[libx264 @ 0x14ca8a0] i8c dc,h,v,p: 36% 29% 23% 12%
[libx264 @ 0x14ca8a0] Weighted P-Frames: Y:0.9% UV:0.3%
[libx264 @ 0x14ca8a0] ref P L0: 80.5%  9.7%  6.1%  2.0%  1.3%  0.2%
[libx264 @ 0x14ca8a0] ref B L0: 92.2%  5.5%  2.0%  0.3%
[libx264 @ 0x14ca8a0] ref B L1: 99.0%  1.0%
[libx264 @ 0x14ca8a0] kb/s:1450.98

  • Java runtime not able to run command on mac

    5 octobre 2016, par sunder

    I installed ffmpeg on mac through brew install. When i run ffmpeg command from terminal, it is running fine. But when i create a program in java and execute command like

    Runtime.getRuntime().exec("ffmpeg");

    It is throwing IOException Cannot run program "ffmpeg":error=2, No such file or directory. Any idea how to resolve it?

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