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• Passing FileInputStream and FileOutputStream to ffmpeg to transcode(using JAVE-Java Audio Video Encoding)

  17 février 2014, par Jagan S

  I am trying to transcode a *.mov file into a *.mp4 file using JAVE, which calls ffmpeg.
  Both input file and output file are in InputStream and OutputStream forms.
  That means I need to pass InputStream and OutputStream as -i and -y parematers for ffmpeg.
  How do I do that ?

      //Read a movfile.mov converted into a FileInputStream  
  
      InputStream fileInputStream = getFileInputStream();  
  
      OutputStream fileOutputStream = new FileOutputStrea(outputMP4File) //Output        
  
      Process p = Runtime.exec("ffmpeg -i - -y -");  
  
      InputStream pInStrm = p.getInputStream();  
  
      OutputStream pOutStrm = p.getOutputStream();  
  
      int vin = 0, vout = 0;   
  
  
  
      Thread read = new Thread() {  
  
           byte[] buff = new byte[4096];  
  
            void run() {   
  
              while ((vin=fileInputStream.read(buf))!=-1) {   
  
                   pOutStrm.write(buf, 0, vin);   
  
              }   
  
           }   
  
        }; read.start();
  
  
  
      Thread write = new Thread() {  
  
          byte[] buff = new byte[4096];  
  
          void run() {  
  
               while ((vout=pInStrm.read(buf))!=-1) {  
  
                   fileOutputStream.write(buf, 0, vout);  
  
              }  
  
           }  
  
        }; write.start();  

  But I keep getting "IOException : pipe is closed" error. Could somebody help me out ?
  Alternatively if there is any JAVA API that could do this transcoding(on Windows and RedHat Linux), that would be very helpful

  Thanks

• Converting Real Media with ffmpeg

  7 août 2013, par Eric Arenson

  I have a number of old crusty Real Media files I need to convert and was hoping to write a script to batch process them. I'm able to do a Real Media -> AVI conversion with FFMpegX, but when I try to replicate the conversion with ffmpeg, it always errors out with something like :

  [avi @ 0x10084fa00] Too large number of skipped frames 117425 > 60000

  It may have something to do with the funky format of these Real Media files :

  Duration: 01:28:23.42, start: 0.000000, bitrate: 448 kb/s
  
      Stream #0:0: Data: none, 32 kb/s
  
      Stream #0:1: Data: none, 192 kb/s
  
      Stream #0:2: Audio: sipr (sipr / 0x72706973), 8000 Hz, mono, flt, 6 kb/s
  
      Stream #0:3: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 13 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
  
      Stream #0:4: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 8 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
  
      Stream #0:5: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 5 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
  
      Stream #0:6: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 27 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
  
      Stream #0:7: Audio: cook (cook / 0x6B6F6F63), 22050 Hz, mono, fltp, 32 kb/s
  
      Stream #0:8: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 192 kb/s, 30 fps, 30 tbr, 1k tbn, 1k tbc
  
      Stream #0:9: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 136 kb/s, 30 fps, 30 tbr, 1k tbn, 1k tbc
  
      Stream #0:10: Audio: sipr (sipr / 0x72706973), 8000 Hz, mono, flt, 6 kb/s
  
      Stream #0:11: Audio: sipr (sipr / 0x72706973), 8000 Hz, mono, flt, 6 kb/s
  
      Stream #0:12: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 13 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
  
      Stream #0:13: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 13 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
  
      Stream #0:14: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 13 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
  
      Stream #0:15: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 5 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc

  Does anyone have any tips on either how to find out what FFMpegX is doing to make the conversion work, or a better way to go about using ffmpeg to do this ?

  EDIT

  Including the ffmpeg command (thank you to @Mondain for teaching me about the stream mapping !) and output :

  Command :

  ffmpeg -i cc121307pm.rm -map 0:8 -map 0:7 -c:v libx264 -c:a libfaac -b:a 32k test.avi

  Output :

  ffmpeg version 1.2.1 Copyright (c) 2000-2013 the FFmpeg developers
  
    built on Aug  7 2013 12:29:30 with gcc 4.2.1 (GCC) (Apple Inc. build 5664)
  
    configuration: --prefix=/usr/local/Cellar/ffmpeg/1.2.1 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --enable-vda --cc=/usr/bin/gcc-4.2 --host-cflags='-Os -w -pipe -march=core2 -msse4.1 -mmacosx-version-min=10.6' --host-ldflags=-L/usr/local/lib --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid
  
    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
  
  [rm @ 0x10180f200] Unsupported stream type 00000265
  
  [rm @ 0x10180f200] Unsupported stream type 00000652
  
  [rm @ 0x10180f200] max_analyze_duration 5000000 reached at 5004000 microseconds
  
  Input #0, rm, from 'input.rm':
  
    Metadata:
  
      File ID         : 41deac0f-94fb-3595-325c-c717943bc532
  
      Content Rating  : (PICS-1.1 "http://www.classify.org/safesurf" labels comment "RealProducer Plus 8.5.0.200 Windows" ratings (SS~~000 1))
  
      Modification Date: 12/13/2007 16:26:16
  
      Generated By    : RealProducer Plus 8.5.0.200 Windows
  
      Keywords        : 
  
      Abstract        : 
  
      Target Audiences: 28K Modem (20 Kbps);56K Modem (34 Kbps);256K DSL/Cable Modem (225 Kbps);
  
      Video Quality   : Normal Motion Video
  
      Audio Format    : Voice Only
  
      Creation Date   : 12/13/2007 14:57:49
  
      ASMRuleBook     : #($Bandwidth < 15000),Stream2Bandwidth = 6500, Stream3Bandwidth = 5499;#($Bandwidth >= 15000) && ($Bandwidth < 20000),Stream2Ba
  
      title           : 
  
      author          : 
  
      copyright       : ?2007
  
      comment         : 
  
    Duration: 01:28:23.42, start: 0.000000, bitrate: 448 kb/s
  
      Stream #0:0: Data: none, 32 kb/s
  
      Stream #0:1: Data: none, 192 kb/s
  
      Stream #0:2: Audio: sipr (sipr / 0x72706973), 8000 Hz, mono, flt, 6 kb/s
  
      Stream #0:3: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 13 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
  
      Stream #0:4: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 8 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
  
      Stream #0:5: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 5 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
  
      Stream #0:6: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 27 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
  
      Stream #0:7: Audio: cook (cook / 0x6B6F6F63), 22050 Hz, mono, fltp, 32 kb/s
  
      Stream #0:8: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 192 kb/s, 30 fps, 30 tbr, 1k tbn, 1k tbc
  
      Stream #0:9: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 136 kb/s, 30 fps, 30 tbr, 1k tbn, 1k tbc
  
      Stream #0:10: Audio: sipr (sipr / 0x72706973), 8000 Hz, mono, flt, 6 kb/s
  
      Stream #0:11: Audio: sipr (sipr / 0x72706973), 8000 Hz, mono, flt, 6 kb/s
  
      Stream #0:12: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 13 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
  
      Stream #0:13: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 13 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
  
      Stream #0:14: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 13 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
  
      Stream #0:15: Video: rv20 (RV20 / 0x30325652), yuv420p, 320x240, 5 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
  
  [libx264 @ 0x101889c00] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.1 Cache64
  
  [libx264 @ 0x101889c00] profile High, level 1.3
  
  Output #0, avi, to 'test.avi':
  
    Metadata:
  
      File ID         : 41deac0f-94fb-3595-325c-c717943bc532
  
      Content Rating  : (PICS-1.1 "http://www.classify.org/safesurf" labels comment "RealProducer Plus 8.5.0.200 Windows" ratings (SS~~000 1))
  
      Modification Date: 12/13/2007 16:26:16
  
      Generated By    : RealProducer Plus 8.5.0.200 Windows
  
      Keywords        : 
  
      Abstract        : 
  
      Target Audiences: 28K Modem (20 Kbps);56K Modem (34 Kbps);256K DSL/Cable Modem (225 Kbps);
  
      Video Quality   : Normal Motion Video
  
      Audio Format    : Voice Only
  
      Creation Date   : 12/13/2007 14:57:49
  
      ASMRuleBook     : #($Bandwidth < 15000),Stream2Bandwidth = 6500, Stream3Bandwidth = 5499;#($Bandwidth >= 15000) && ($Bandwidth < 20000),Stream2Ba
  
      INAM            : 
  
      author          : 
  
      ICOP            : ?2007
  
      ICMT            : 
  
      ISFT            : Lavf54.63.104
  
      Stream #0:0: Video: h264 (H264 / 0x34363248), yuv420p, 320x240, q=-1--1, 30 tbn, 30 tbc
  
      Stream #0:1: Audio: aac ([255][0][0][0] / 0x00FF), 22050 Hz, mono, s16, 32 kb/s
  
  Stream mapping:
  
    Stream #0:8 -> #0:0 (rv20 -> libx264)
  
    Stream #0:7 -> #0:1 (cook -> libfaac)
  
  Press [q] to stop, [?] for help
  
  [rm @ 0x10180f200] DATA tag in middle of chunk, file may be broken.
  
  Truncating packet of size 775215378 to 283607526
  
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  input.rm: Input/output error
  
  frame=    0 fps=0.0 q=0.0 Lsize=      10kB time=00:00:00.00 bitrate=N/A    
  
  video:0kB audio:0kB subtitle:0 global headers:0kB muxing overhead inf%
  
  Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)

• Crossdevice encoding static file to stream in browser using FFMPEG (segmented h264 ?)

  20 mars 2014, par Vprnl

  I'm building a mediacenter application in NodeJS which is going pretty ok.
  (you can check it out on Github : https://github.com/jansmolders86/mediacenterjs )

  I'm using FFMPEG to transcode local (static) movies to a stream which I then send to the browser.

  At first I used h264 with Flash which worked in browsers, but I really need it to work on Android an iOS (so no Flash) and preferably working on a Raspberry Pi.

  But getting it to play on all devices is driving me absolutely insane !

  I have all these bits of the puzzle I've gathered from countless hours reading articles, tutorials and stack overflow posts, which led me to the conclusion that I need to produce the following :

  • Use video codec H264 to transcode to MP4
  • Move the moovatom '-movflags' to make a MP4 streamable
  • Segment the stream so Apple can play the stream as well.

  But getting nowhere with this. Every time I produce a series of FFMPEG settings that either don't work, or work on some devices rather than all.

  Some of my failed attempt where :

  My flash attempt -> Main problem (not running in IOS) :

      '-y','-ss 0','-b 800k','-vcodec libx264','-acodec mp3'\ 
  
      '-ab 128','-ar 44100','-bufsize 62000', '-maxrate 620k'\
  
      metaDuration,tDuration,'-f flv

  my HLS attempt -> Main problem (not running in browser) :

          '-r 15','-b:v 128k','-c:v libx264','-x264opts level=41'\
  
          '-threads 4','-s 640x480','-map 0:v','-map 0:a:0','-c:a mp3'\
  
          '-b:a 160000','-ac 2','-f hls','-hls_time 10','-hls_list_size 6'\
  
          '-hls_wrap 18','-start_number 1'

  My MP4 attempt -> Main problem (duration is shortened and the later part of the video is speeding by)

         '-y','-ss 0','-b 800k','-vcodec libx264','-acodec mp3'\
  
         '-ab 128','-ar 44100','-bufsize 62000', '-maxrate 620k'\
  
         metaDuration,tDuration,'-f mp4','-movflags','frag_keyframe+empty_moov'

  Second MP4 attempt : -> Main problem (duration is shortened and the later part of the video is speeding by)

      '-y','-vcodec libx264','-pix_fmt yuv420p','-b 1200k','-flags +loop+mv4'\
  
      '-cmp 256','-partitions +parti4x4+parti8x8+partp4x4+partp8x8+partb8x8'\
  
      '-me_method hex','-subq 7','-trellis 1','-refs 5','-bf 3','-coder 1'\
  
      '-me_range 16','-g 150','-keyint_min 25','-sc_threshold 40'\
  
      '-i_qfactor 0.71','-acodec mp3','-qmin 10','-qdiff 4','-qmax 51'\
  
      '-ab 128k','-ar 44100','-threads 2','-f mp4','-movflags','frag_keyframe+empty_moov'])

  Here is an example of the FFMPEG log running with these settings :

          file conversion error ffmpeg version N-52458-gaa96439 Copyright (c) 2000-2013 the FFmpeg developers
  
            built on Apr 24 2013 22:19:32 with gcc 4.8.0 (GCC)
  
            configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --e
  
          nable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable
  
          -libgsm --enable-libilbc --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --ena
  
          ble-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwola
  
          me --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enabl
  
          e-libxvid --enable-zlib
  
            libavutil      52. 27.101 / 52. 27.101
  
            libavcodec     55.  6.100 / 55.  6.100
  
            libavformat    55.  3.100 / 55.  3.100
  
            libavdevice    55.  0.100 / 55.  0.100
  
            libavfilter     3. 60.101 /  3. 60.101
  
            libswscale      2.  2.100 /  2.  2.100
  
            libswresample   0. 17.102 /  0. 17.102
  
            libpostproc    52.  3.100 / 52.  3.100
  
          [avi @ 02427900] non-interleaved AVI
  
          Guessed Channel Layout for  Input Stream #0.1 : mono
  
          Input #0, avi, from 'C:/temp/the avengers.avi':
  
            Duration: 00:00:34.00, start: 0.000000, bitrate: 1433 kb/s
  
              Stream #0:0: Video: cinepak (cvid / 0x64697663), rgb24, 320x240, 15 tbr, 15 tbn, 15 tbc
  
              Stream #0:1: Audio: pcm_u8 ([1][0][0][0] / 0x0001), 22050 Hz, mono, u8, 176 kb/s
  
          Please use -b:a or -b:v, -b is ambiguous
  
          [libx264 @ 02527c60] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
  
          [libx264 @ 02527c60] profile High, level 2.0
  
          [libx264 @ 02527c60] 264 - core 130 r2274 c832fe9 - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - http://www.videolan.org/x26
  
          4.html - options: cabac=1 ref=5 deblock=1:0:0 analyse=0x3:0x133 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=2 lookahead_threads=1 sliced_th
  
          reads=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 we
  
          ightb=1 open_gop=0 weightp=2 keyint=150 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=120
  
          0 ratetol=1.0 qcomp=0.60 qpmin=10 qpmax=51 qpstep=4 ip_ratio=1.41 aq=1:1.00
  
          Output #0, mp4, to 'pipe:1':
  
            Metadata:
  
              encoder         : Lavf55.3.100
  
              Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 320x240, q=10-51, 1200 kb/s, 15360 tbn, 15 tbc
  
              Stream #0:1: Audio: mp3 (i[0][0][0] / 0x0069), 44100 Hz, mono, s16p, 128 kb/s
  
          Stream mapping:
  
            Stream #0:0 -> #0:0 (cinepak -> libx264)
  
            Stream #0:1 -> #0:1 (pcm_u8 -> libmp3lame)
  
          Press [q] to stop, [?] for help
  
          frame=  106 fps=0.0 q=10.0 size=       1kB time=00:00:06.94 bitrate=   1.4kbits/s
  
          frame=  150 fps=149 q=14.0 size=       1kB time=00:00:09.87 bitrate=   1.0kbits/s
  
          frame=  191 fps=126 q=16.0 size=       1kB time=00:00:12.61 bitrate=   0.8kbits/s
  
          frame=  244 fps=121 q=16.0 size=    2262kB time=00:00:16.14 bitrate=1147.6kbits/s
  
          frame=  303 fps=120 q=14.0 size=    2262kB time=00:00:20.08 bitrate= 922.2kbits/s
  
          frame=  354 fps=117 q=15.0 size=    3035kB time=00:00:23.48 bitrate=1058.6kbits/s
  
          frame=  402 fps=113 q=15.0 size=    3035kB time=00:00:26.67 bitrate= 932.1kbits/s
  
          frame=  459 fps=113 q=16.0 size=    4041kB time=00:00:30.43 bitrate=1087.7kbits/s
  
          frame=  510 fps=103 q=2686559.0 Lsize=    5755kB time=00:00:33.93 bitrate=1389.3kbits/s
  
  
  
          video:5211kB audio:531kB subtitle:0 global headers:0kB muxing overhead 0.235111%
  
          [libx264 @ 02527c60] frame I:6     Avg QP:10.55  size: 25921
  
          [libx264 @ 02527c60] frame P:245   Avg QP:12.15  size: 14543
  
          [libx264 @ 02527c60] frame B:259   Avg QP:15.55  size:  6242
  
          [libx264 @ 02527c60] consecutive B-frames:  6.1% 73.7% 14.7%  5.5%
  
          [libx264 @ 02527c60] mb I  I16..4: 19.9%  6.2% 73.9%
  
          [libx264 @ 02527c60] mb P  I16..4:  6.0%  0.2% 12.0%  P16..4: 35.4%  9.6% 16.3%  7.0%  5.6%    skip: 7.8%
  
          [libx264 @ 02527c60] mb B  I16..4:  0.7%  0.0%  4.3%  B16..8: 27.6% 17.2% 17.0%  direct:17.3%  skip:15.9%  L0:39.4% L1:43.2%
  
          BI:17.4%
  
          [libx264 @ 02527c60] final ratefactor: 11.41
  
          [libx264 @ 02527c60] 8x8 transform intra:1.6% inter:4.0%
  
          [libx264 @ 02527c60] coded y,uvDC,uvAC intra: 93.0% 97.0% 94.9% inter: 58.4% 58.7% 50.6%
  
          [libx264 @ 02527c60] i16 v,h,dc,p: 15% 26% 54%  5%
  
          [libx264 @ 02527c60] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 17% 39%  4%  4%  3%  1%  6%  9%
  
          [libx264 @ 02527c60] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 28% 34% 21%  4%  2%  2%  2%  2%  5%
  
          [libx264 @ 02527c60] i8c dc,h,v,p: 51% 24% 19%  6%
  
          [libx264 @ 02527c60] Weighted P-Frames: Y:4.1% UV:1.2%
  
          [libx264 @ 02527c60] ref P L0: 68.2%  9.8% 11.0%  5.6%  4.6%  0.8%  0.0%
  
          [libx264 @ 02527c60] ref B L0: 87.7%  8.0%  3.9%  0.4%
  
          [libx264 @ 02527c60] ref B L1: 97.8%  2.2%
  
          [libx264 @ 02527c60] kb/s:1255.36

  Lastly this is my node code fireing up FFMPEG. (I use the module Fluent-ffmpeg : https://github.com/schaermu/node-fluent-ffmpeg )

      var proc = new ffmpeg({ source: movie, nolog: true, timeout:15000})                         
  
          .addOptions(['-r 15','-b:v 128k','-c:v libx264','-x264opts level=41','-threads 4','-s 640x480','-map 0:v','-map 0:a:0','-c:a mp3','-b:a 160000','-ac 2','-f hls','-hls_time 10','-hls_list_size 6','-hls_wrap 18','-start_number 1 stream.m3u8'])
  
          .writeToStream(res, function(retcode, error){
  
              if (!error){
  
                  console.log('file has been converted succesfully',retcode .green);
  
              }else{
  
                  console.log('file conversion error',error .red);
  
              }
  
          });

  So to conclude this very long and code heavy question :

  I hope this does not come off as a lazy request, but could someone show/explain to me which FFMPEG settings could/should work on all platforms (modern browsers, Android and iOS) producing a stream of a static file which I can send to a HTML5 player.

  [EDIT] what I need if a generic option isn't available

  And if this is not possible as some posts might suggest, I would love to see a set of FFMPEG settings that get's the job done properly as far as mp4 streaming is concerned. (e.g encoding a streamable mp4).

  The streaming mp4 needs the following

  • A shifted moovAtom
  • It needs to be h264

  Thanks very much for your help !