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• RTP packets detected as UDP

  28 février 2017, par user3172852

  Here is what I am trying to do :

  WebRTC endpoint > RTP Endpoint > ffmpeg > RTMP server.

  This is what my SDP file looks like.

  var cm_offer = "v=0\n" +
  
                "o=- 3641290734 3641290734 IN IP4 127.0.0.1\n" +
  
                "s=nginx\n" +
  
                "c=IN IP4 127.0.0.1\n" +
  
                "t=0 0\n" +
  
                "m=audio 60820 RTP/AVP 0\n" +
  
                "a=rtpmap:0 PCMU/8000\n" +
  
                "a=recvonly\n" +
  
                "m=video 59618 RTP/AVP 101\n" +
  
                "a=rtpmap:101 H264/90000\n" +
  
                "a=recvonly\n";

  What’s happening is that wireshark can detect the incoming packets at port 59618, but not as RTP packets but UDP packets. I am trying to capture the packets using ffmpeg with the following command :

  ubuntu@ip-132-31-40-100:~$ ffmpeg -i udp://127.0.0.1:59618 -vcodec copy stream.mp4
  
  ffmpeg version git-2017-01-22-f1214ad Copyright (c) 2000-2017 the FFmpeg developers
  
    built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.3)
  
    configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --mandir=/usr/share/man --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libfreetype --enable-gnutls --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvidstab --enable-libwavpack --enable-nvenc
  
    libavutil      55. 44.100 / 55. 44.100
  
    libavcodec     57. 75.100 / 57. 75.100
  
    libavformat    57. 63.100 / 57. 63.100
  
    libavdevice    57.  2.100 / 57.  2.100
  
    libavfilter     6. 69.100 /  6. 69.100
  
    libavresample   3.  2.  0 /  3.  2.  0
  
    libswscale      4.  3.101 /  4.  3.101
  
    libswresample   2.  4.100 /  2.  4.100
  
    libpostproc    54.  2.100 / 54.  2.100 

  All I get is a blinking cursor and The stream.mp4 file is not written to disk after I exit (ctrl+c).

  So can you help me figure out :

  1. why wireshark cannot detect the packets as RTP (I suspect it has something to do with SDP)
  2. How to handle SDP answer when the RTP endpoint is pushing to ffmpeg which doesn’t send an answer back.

  Here is the entire code (hello world tutorial modified)

  /*
  
       * (C) Copyright 2014-2015 Kurento (http://kurento.org/)
  
       *
  
       * Licensed under the Apache License, Version 2.0 (the "License");
  
       * you may not use this file except in compliance with the License.
  
       * You may obtain a copy of the License at
  
       *
  
       *   http://www.apache.org/licenses/LICENSE-2.0
  
       *
  
       * Unless required by applicable law or agreed to in writing, software
  
       * distributed under the License is distributed on an "AS IS" BASIS,
  
       * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  
       * See the License for the specific language governing permissions and
  
       * limitations under the License.
  
       */
  
  
  
      function getopts(args, opts)
  
      {
  
        var result = opts.default || {};
  
        args.replace(
  
            new RegExp("([^?=&]+)(=([^&]*))?", "g"),
  
            function($0, $1, $2, $3) { result[$1] = decodeURI($3); });
  
  
  
        return result;
  
      };
  
  
  
      var args = getopts(location.search,
  
      {
  
        default:
  
        {
  
          ws_uri: 'wss://' + location.hostname + ':8433/kurento',
  
          ice_servers: undefined
  
        }
  
      });
  
  
  
      function setIceCandidateCallbacks(webRtcPeer, webRtcEp, onerror)
  
      {
  
        webRtcPeer.on('icecandidate', function(candidate) {
  
          console.log("Local candidate:",candidate);
  
  
  
          candidate = kurentoClient.getComplexType('IceCandidate')(candidate);
  
  
  
          webRtcEp.addIceCandidate(candidate, onerror)
  
        });
  
  
  
        webRtcEp.on('OnIceCandidate', function(event) {
  
          var candidate = event.candidate;
  
  
  
          console.log("Remote candidate:",candidate);
  
  
  
          webRtcPeer.addIceCandidate(candidate, onerror);
  
        });
  
      }
  
  
  
  
  
      function setIceCandidateCallbacks2(webRtcPeer, rtpEp, onerror)
  
      {
  
        webRtcPeer.on('icecandidate', function(candidate) {
  
          console.log("Localr candidate:",candidate);
  
  
  
          candidate = kurentoClient.getComplexType('IceCandidate')(candidate);
  
  
  
          rtpEp.addIceCandidate(candidate, onerror)
  
        });
  
      }
  
  
  
  
  
      window.addEventListener('load', function()
  
      {
  
        console = new Console();
  
  
  
        var webRtcPeer;
  
        var pipeline;
  
        var webRtcEpt;
  
  
  
        var videoInput = document.getElementById('videoInput');
  
        var videoOutput = document.getElementById('videoOutput');
  
  
  
        var startButton = document.getElementById("start");
  
        var stopButton = document.getElementById("stop");
  
  
  
        startButton.addEventListener("click", function()
  
        {
  
          showSpinner(videoInput, videoOutput);
  
  
  
          var options = {
  
            localVideo: videoInput,
  
            remoteVideo: videoOutput
  
          };
  
  
  
  
  
          if (args.ice_servers) {
  
           console.log("Use ICE servers: " + args.ice_servers);
  
           options.configuration = {
  
             iceServers : JSON.parse(args.ice_servers)
  
           };
  
          } else {
  
           console.log("Use freeice")
  
          }
  
  
  
          webRtcPeer = kurentoUtils.WebRtcPeer.WebRtcPeerSendrecv(options, function(error)
  
          {
  
            if(error) return onError(error)
  
  
  
            this.generateOffer(onOffer)
  
          });
  
  
  
          function onOffer(error, sdpOffer)
  
          {
  
            if(error) return onError(error)
  
  
  
            kurentoClient(args.ws_uri, function(error, client)
  
            {
  
              if(error) return onError(error);
  
  
  
              client.create("MediaPipeline", function(error, _pipeline)
  
              {
  
                if(error) return onError(error);
  
  
  
                pipeline = _pipeline;
  
  
  
                pipeline.create("WebRtcEndpoint", function(error, webRtc){
  
                  if(error) return onError(error);
  
  
  
                  webRtcEpt = webRtc;
  
  
  
                  setIceCandidateCallbacks(webRtcPeer, webRtc, onError)
  
  
  
                  webRtc.processOffer(sdpOffer, function(error, sdpAnswer){
  
                    if(error) return onError(error);
  
  
  
                    webRtcPeer.processAnswer(sdpAnswer, onError);
  
                  });
  
                  webRtc.gatherCandidates(onError);
  
  
  
                  webRtc.connect(webRtc, function(error){
  
                    if(error) return onError(error);
  
  
  
                    console.log("Loopback established");
  
                  });
  
                });
  
  
  
  
  
  
  
              pipeline.create("RtpEndpoint", function(error, rtp){
  
                  if(error) return onError(error);
  
  
  
                  //setIceCandidateCallbacks2(webRtcPeer, rtp, onError)
  
  
  
  
  
                  var cm_offer = "v=0\n" +
  
                        "o=- 3641290734 3641290734 IN IP4 127.0.0.1\n" +
  
                        "s=nginx\n" +
  
                        "c=IN IP4 127.0.0.1\n" +
  
                        "t=0 0\n" +
  
                        "m=audio 60820 RTP/AVP 0\n" +
  
                        "a=rtpmap:0 PCMU/8000\n" +
  
                        "a=recvonly\n" +
  
                        "m=video 59618 RTP/AVP 101\n" +
  
                        "a=rtpmap:101 H264/90000\n" +
  
                        "a=recvonly\n";
  
  
  
  
  
  
  
                  rtp.processOffer(cm_offer, function(error, cm_sdpAnswer){
  
                    if(error) return onError(error);
  
  
  
                    //webRtcPeer.processAnswer(cm_sdpAnswer, onError);
  
                  });
  
                  //rtp.gatherCandidates(onError);
  
  
  
                  webRtcEpt.connect(rtp, function(error){
  
                    if(error) return onError(error);
  
  
  
                    console.log("RTP endpoint connected to webRTC");
  
                  });
  
                });
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
              });
  
            });
  
          }
  
        });
  
        stopButton.addEventListener("click", stop);
  
  
  
  
  
        function stop() {
  
          if (webRtcPeer) {
  
            webRtcPeer.dispose();
  
            webRtcPeer = null;
  
          }
  
  
  
          if(pipeline){
  
            pipeline.release();
  
            pipeline = null;
  
          }
  
  
  
          hideSpinner(videoInput, videoOutput);
  
        }
  
  
  
        function onError(error) {
  
          if(error)
  
          {
  
            console.error(error);
  
            stop();
  
          }
  
        }
  
      })
  
  
  
  
  
      function showSpinner() {
  
        for (var i = 0; i < arguments.length; i++) {
  
          arguments[i].poster = 'img/transparent-1px.png';
  
          arguments[i].style.background = "center transparent url('img/spinner.gif') no-repeat";
  
        }
  
      }
  
  
  
      function hideSpinner() {
  
        for (var i = 0; i < arguments.length; i++) {
  
          arguments[i].src = '';
  
          arguments[i].poster = 'img/webrtc.png';
  
          arguments[i].style.background = '';
  
        }
  
      }
  
  
  
      /**
  
       * Lightbox utility (to display media pipeline image in a modal dialog)
  
       */
  
      $(document).delegate('*[data-toggle="lightbox"]', 'click', function(event) {
  
        event.preventDefault();
  
        $(this).ekkoLightbox();
  
      });

• Resize and overlay image on video in android efficiently

  29 décembre 2016, par Bhushan Ladhe

  I want to resize image and video(2160 x 3840) to a same resolution(540 × 960) and then overlay image on video for whole time. This whole process is similar to capturing video and adding caption to it like snap-chat and saving it.

  Since i am successful in doing so using FFMPEG library but it consumes considerable amount of time in processing.

  I have searched the internet for other faster operations but no luck. I will post commands that i am using.

  //1st command (video size from 59MB to 4MB, about time 110secs)
  
  -i sdcard/VID_20161228_174315.mp4 -vf scale=540:960 sdcard/output540.mp4
  
  //2nd command (image file , size done, time : a sec hence ignored)
  
  -i sdcard/capture.jpg -vf scale=540:960 sdcard/capture540.png
  
  //3rd command (time 80sec)
  
  -i sdcard/output540.mp4 -i sdcard/capture540.png -filter_complex overlay=0:0 -r 30 sdcard/output_overlay.mp4

  So here using -preset and copying same audio from source did not work as expected.

  Questions :

  1) Should i use specific codec ?

  2) How to achieve Minimum time for processing ?

  3) Will applying multiple threads help ? If yes then how ? I want this process to work in background even if app is closed.

  4) All other options that can combine to make an efficient solution ?

  Log for 3rd command :

   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 'sdcard/output540.mp4':
  
                                                                        Metadata:
  
                                                                          major_brand     : isom
  
                                                                          minor_version   : 512
  
                                                                          compatible_brands: isomiso2avc1mp41
  
                                                                          encoder         : Lavf57.25.100
  
                                                                        Duration: 00:00:10.09, start: 0.021333, bitrate: 2055 kb/s
  
                                                                          Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 540x960 [SAR 1:1 DAR 9:16], 1930 kb/s, 16.75 fps, 16.75 tbr, 17152 tbn, 33.50 tbc (default)
  
                                                                          Metadata:
  
                                                                            handler_name    : VideoHandler
  
                                                                          Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 119 kb/s (default)
  
                                                                          Metadata:
  
                                                                            handler_name    : SoundHandler
  
                                                                      Input #1, png_pipe, from 'sdcard/output_540.png':
  
                                                                        Duration: N/A, bitrate: N/A
  
                                                                          Stream #1:0: Video: png, rgba(pc), 540x960, 25 tbr, 25 tbn, 25 tbc
  
                                                                      [libx264 @ 0xaca425f0] using SAR=1/1
  
                                                                      [libx264 @ 0xaca425f0] using cpu capabilities: none!
  
                                                                      [libx264 @ 0xaca425f0] profile High, level 3.1
  
                                                                      [libx264 @ 0xaca425f0] 264 - core 148 - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - 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=9 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
  
                                                                      Output #0, mp4, to 'sdcard/output_overlay_forlog.mp4':
  
                                                                        Metadata:
  
                                                                          major_brand     : isom
  
                                                                          minor_version   : 512
  
                                                                          compatible_brands: isomiso2avc1mp41
  
                                                                          encoder         : Lavf57.25.100
  
                                                                          Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 540x960 [SAR 1:1 DAR 9:16], q=-1--1, 30 fps, 15360 tbn, 30 tbc (default)
  
                                                                          Metadata:
  
                                                                            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, fltp, 128 kb/s (default)
  
                                                                          Metadata:
  
                                                                            handler_name    : SoundHandler
  
                                                                            encoder         : Lavc57.24.102 aac
  
                                                                      Stream mapping:
  
                                                                        Stream #0:0 (h264) -> overlay:main (graph 0)
  
                                                                        Stream #1:0 (png) -> overlay:overlay (graph 0)
  
                                                                        overlay (graph 0) -> Stream #0:0 (libx264)
  
                                                                        Stream #0:1 -> #0:1 (aac (native) -> aac (native))
  
                                                                      Press [q] to stop, [?] for help
  
                                                                      frame=   19 fps=0.0 q=0.0 size=       0kB time=00:00:00.88 bit
  
  12-29 02:20:37.914 19213-19213/in.techzilla.happenning_client D/Ffmpeg: Finished command : ffmpeg [Ljava.lang.String;@1a223d4

  here one more txt file for full output

  https://drive.google.com/file/d/0B60iSiCrzaVkUXFpYVFpdGdKN2M/view?usp=drivesdk

• h.264 lossless video in python with ffmpeg

  7 mars 2015, par Ojtwist

  I have raw video files which I encoded via ffmpeg (lossless) :

  ffmpeg -i test.avi -c:v libx264 -preset veryslow -crf 0 output.mkv

  Now I tried to read these in python :

      FFMPEG_BIN = "ffmpeg"
  
  
  
      command = [FFMPEG_BIN,
  
                     '-i',path,
  
                     '-f', 'image2pipe',
  
                     '-pix_fmt','yuv444p',
  
                     '-r',framerate,
  
                     '-ss',startposition,
  
                     '-vcodec','rawvideo','-']
  
  
  
      pipe = sp.Popen(command,stdout=sp.PIPE,bufsize=10**8)
  
  
  
      while True:
  
          raw_image = pipe.stdout.read(640*480*3)
  
  
  
          image = np.fromstring(raw_image,dtype='uint8')
  
  
  
          image = image.reshape((480,640,3))

  I can’t find the good command to get the video lossless in python. If I try it as mentioned above and show it with matplotlib, I get :
  

  If I set -vcodec to libx264 I get noise.

  

  If i set -pix_fmt to rgb24, I get a normal looking image, but I can see some artifact due to the color conversion.

  What is the command I am looking for ?

  ---

  extra info, the output of the encoding (initial raw video ==> lossless h.264) :

  worker@worklati:~/data/DMG/test$ ffmpeg -i test.avi -c:v libx264 -preset veryslow -crf 0 output.mkv
  
  ffmpeg version 2.5.3 Copyright (c) 2000-2015 the FFmpeg developers
  
    built on Jan 11 2015 17:53:45 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
  
    configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libpulse --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvo-aacenc --enable-libvidstab
  
    libavutil      54. 15.100 / 54. 15.100
  
    libavcodec     56. 13.100 / 56. 13.100
  
    libavformat    56. 15.102 / 56. 15.102
  
    libavdevice    56.  3.100 / 56.  3.100
  
    libavfilter     5.  2.103 /  5.  2.103
  
    libavresample   2.  1.  0 /  2.  1.  0
  
    libswscale      3.  1.101 /  3.  1.101
  
    libswresample   1.  1.100 /  1.  1.100
  
    libpostproc    53.  3.100 / 53.  3.100
  
  Input #0, avi, from 'test.avi':
  
    Duration: 00:10:25.17, start: 0.000000, bitrate: 44237 kb/s
  
      Stream #0:0: Video: rawvideo, bgr24, 640x480, 6 fps, 6 tbr, 6 tbn, 6 tbc
  
  File 'output.mkv' 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 @ 0x1fd7160] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX AVX2 FMA3 LZCNT BMI2
  
  [libx264 @ 0x1fd7160] profile High 4:4:4 Predictive, level 3.2, 4:4:4 8-bit
  
  [libx264 @ 0x1fd7160] 264 - core 142 r2389 956c8d8 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1 ref=16 deblock=1:0:0 analyse=0x3:0x133 me=umh subme=9 psy=0 mixed_ref=1 me_range=24 chroma_me=1 trellis=0 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=0 chroma_qp_offset=0 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=2 keyint=250 keyint_min=6 scenecut=40 intra_refresh=0 rc=cqp mbtree=0 qp=0
  
  Output #0, matroska, to 'output.mkv':
  
    Metadata:
  
      encoder         : Lavf56.15.102
  
      Stream #0:0: Video: h264 (libx264) (H264 / 0x34363248), yuv444p, 640x480, q=-1--1, 6 fps, 1k tbn, 6 tbc
  
      Metadata:
  
        encoder         : Lavc56.13.100 libx264
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
  
  Press [q] to stop, [?] for help
  
  frame= 3751 fps= 40 q=-1.0 Lsize=  133724kB time=00:10:25.16 bitrate=1752.3kbits/s    
  
  video:133691kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.024307%
  
  [libx264 @ 0x1fd7160] frame I:16    Avg QP: 0.00  size: 58298
  
  [libx264 @ 0x1fd7160] frame P:3735  Avg QP: 0.00  size: 36403
  
  [libx264 @ 0x1fd7160] mb I  I16..4: 65.3%  6.9% 27.7%
  
  [libx264 @ 0x1fd7160] mb P  I16..4:  3.0%  2.1%  0.2%  P16..4: 71.2%  0.8% 22.4%  0.0%  0.0%    skip: 0.1%
  
  [libx264 @ 0x1fd7160] 8x8 transform intra:36.9% inter:49.5%
  
  [libx264 @ 0x1fd7160] coded y,u,v intra: 79.3% 0.0% 0.0% inter: 97.6% 0.0% 0.0%
  
  [libx264 @ 0x1fd7160] i16 v,h,dc,p: 20%  3% 76%  1%
  
  [libx264 @ 0x1fd7160] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu:  5%  8% 80%  1%  1%  2%  1%  1%  1%
  
  [libx264 @ 0x1fd7160] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 23% 28% 16%  5%  7%  8%  5%  4%  5%
  
  [libx264 @ 0x1fd7160] Weighted P-Frames: Y:0.2% UV:0.0%
  
  [libx264 @ 0x1fd7160] ref P L0: 63.2%  0.0% 14.2%  5.3%  4.0%  3.2%  2.6%  1.1%  1.0%  1.0%  0.9%  1.1%  0.7%  0.6%  0.6%  0.6%
  
  [libx264 @ 0x1fd7160] kb/s:1751.85