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• ffmpeg - continuous file streaming over RTMP

  1er mai 2013, par Sébastien Renauld

  I've been looking around for a simple (or perhaps not-so-simple) walkaround for a problem I am having in my set up for a simple test case : video streaming over red5 media server.

  I have built a small-ish library of FLV files scraped from YouTube and managed to play them in succession with the following perl script :

  use Cwd;
  
  use strict;
  
  use warnings;
  
  use DBI;
  
  use DBD::mysql;
  
  
  
  our $db = DBI->connect();
  
  my $dst = "/home/seb/youtube/";
  
  sub streamFile {
  
      my $r = $db->prepare("SELECT name FROM music_flvs ORDER BY RAND() LIMIT 1");
  
      $r->execute();
  
      my @data = $r->fetchrow_array();
  
      my $filename = $data[0]
  
      my $t = `ffmpeg -re -i '${dst}${filename}' -ab 48k -ac 1 -vcodec libx264 -crf 30 -s "640x480" -acodec libfaac -ar 44100 -threads 4 -f flv 'rtmp://server/oflaDemo/music'`;
  
      return 1;
  
  }
  
  while (&streamFile()) {
  
  }

  This script does its purpose extremely well : it plays files one by one through ffmpeg. However, it does so with a crucial problem : it causes an Unpublish event every time it swaps songs, which causes all the clients to disconnect. I would like to prevent this. The event manifests itself in ActionScript as this :

   16:33:54:209 - Playback - NetStream.Play.UnpublishNotify
  
   16:33:54:209 - Playback - NetStream.Play.PublishNotify

  I have seen the concat demuxer and believe that it might somewhat help me. The question is pretty simple : what is the best way to make ffmpeg stream a playlist to a RTMP server without ever causing an Unpublish event ?

• FFMpeg attach two mp3 file to eachother, length and metadata not correct

  12 mars 2017, par pocek

  Is there any way to attach two mp3 or ogg or mp4 files to eachother using ffmpeg ?

  I mean for example i have 2 mp3 files, the output i need is to listen the first one and after it finished, second file plays.

  so duration for output would be the duration for first + second file.

  I’ve tried this code but the output is not correct

  ffmpeg -i "concat:file1.mp3|file2.mp3" -acodec copy output.mp3

  the metadata is not new for this output file and plays just first file !

• Streaming RTP packets using SDP to ffmpeg

  4 avril 2017, par Johnathan Kanarek

  I have RTP packets in node.js server and I want to forward them to ffmpeg.
  I generate SDP files in the node.js server side and execute ffmpeg with the SDP as input.

  SDP :

  v=0
  
  o=mediasoup 21881725401d4e8d56cbd79694c7e2b6e6cacb4a 0 IN IP4 192.168.193.182
  
  s=21881725401d4e8d56cbd79694c7e2b6e6cacb4a
  
  c=IN IP4 192.168.193.182
  
  t=0 0
  
  a=group:LS video audio
  
  m=video 33404 RTP/SAVPF 107
  
  a=rtpmap:107 H264/90000
  
  a=fmtp:107 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
  
  a=control:track0
  
  a=rtcp-fb:107 ccm fir
  
  a=rtcp-fb:107 nack 
  
  a=rtcp-fb:107 nack pli
  
  a=rtcp-fb:107 goog-remb 
  
  a=rtcp-fb:107 transport-cc 
  
  a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
  
  a=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
  
  a=extmap:4 urn:3gpp:video-orientation
  
  a=extmap:5 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
  
  a=extmap:6 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay
  
  a=mid:video
  
  a=sendrecv
  
  m=audio 33402 RTP/SAVPF 111
  
  a=rtpmap:111 opus/48000
  
  a=fmtp:111 minptime=10;useinbandfec=1
  
  a=control:track1
  
  a=rtcp-fb:111 transport-cc 
  
  a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
  
  a=mid:audio
  
  a=sendrecv

  Command :

  ffmpeg -max_delay 5000 -reorder_queue_size 16384 -protocol_whitelist file,crypto,udp,rtp -re -i input.sdp -vcodec copy -acodec aac -y output.mp4

  Same with RTMP

  ffmpeg -max_delay 5000 -reorder_queue_size 16384 -protocol_whitelist file,crypto,udp,rtp -re -i input.sdp -vcodec copy -acodec aac -f flv rtmp://127.0.0.1:1935/live/myStream

  I get weird video that plays some vidoe, then get stuck, then plays some audio, back to video and so on, it never plays both video and audio together.

  BTW, when I created separate SDP files for the video and the audio and stream them as two inputs into the same output, I get valid stream but the audio is not in sync (about a second offset).

  ffmpeg -max_delay 5000 -reorder_queue_size 16384 -protocol_whitelist file,crypto,udp,rtp -re -i video.0.sdp -max_delay 5000 -reorder_queue_size 16384 -protocol_whitelist file,crypto,udp,rtp -re -i audio.1.sdp -vcodec copy -acodec aac -shortest -y output.mp4

  What is wrong with my SDP ?

  I tried changing analyzeduration, probesize, rtbufsize, vsync, framerate,
  I even tried to remap the streams using -map 0:v -map 0:a,
  nothing helped

  I also tried to use RTSP server, see log :

  ffmpeg version 3.2 Copyright (c) 2000-2016 the FFmpeg developers
  
    built with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-11)
  
    configuration: --prefix=/opt/kaltura/ffmpeg-3.2 --libdir=/opt/kaltura/ffmpeg-3.2/lib --shlibdir=/opt/kaltura/ffmpeg-3.2/lib --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC' --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC -I/opt/kaltura/include' --extra-ldflags=-L/opt/kaltura/lib --disable-devices --enable-bzlib --enable-libgsm --enable-libmp3lame --enable-libschroedinger --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libx265 --enable-avisynth --enable-libxvid --enable-filter=movie --enable-avfilter --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libvpx --enable-libspeex --enable-libass --enable-postproc --enable-pthreads --enable-static --enable-shared --enable-gpl --disable-debug --disable-optimizations --enable-gpl --enable-pthreads --enable-swscale --enable-vdpau --enable-bzlib --disable-devices --enable-filter=movie --enable-version3 --enable-indev=lavfi --enable-x11grab
  
    libavutil      55. 34.100 / 55. 34.100
  
    libavcodec     57. 64.100 / 57. 64.100
  
    libavformat    57. 56.100 / 57. 56.100
  
    libavdevice    57.  1.100 / 57.  1.100
  
    libavfilter     6. 65.100 /  6. 65.100
  
    libswscale      4.  2.100 /  4.  2.100
  
    libswresample   2.  3.100 /  2.  3.100
  
    libpostproc    54.  1.100 / 54.  1.100
  
  Splitting the commandline.
  
  Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
  
  Reading option '-max_delay' ... matched as AVOption 'max_delay' with argument '500000'.
  
  Reading option '-reorder_queue_size' ... matched as AVOption 'reorder_queue_size' with argument '16384'.
  
  Reading option '-analyzeduration' ... matched as AVOption 'analyzeduration' with argument '2147483647'.
  
  Reading option '-probesize' ... matched as AVOption 'probesize' with argument '2147483647'.
  
  Reading option '-protocol_whitelist' ... matched as AVOption 'protocol_whitelist' with argument 'file,crypto,tcp,udp,rtp'.
  
  Reading option '-re' ... matched as option 're' (read input at native frame rate) with argument '1'.
  
  Reading option '-i' ... matched as input file with argument 'rtsp://192.168.193.182:5000/IcL8tHJdU9oWEK3rAAAA.sdp'.
  
  Reading option '-vcodec' ... matched as option 'vcodec' (force video codec ('copy' to copy stream)) with argument 'h264'.
  
  Reading option '-acodec' ... matched as option 'acodec' (force audio codec ('copy' to copy stream)) with argument 'aac'.
  
  Reading option '-max_interleave_delta' ... matched as AVOption 'max_interleave_delta' with argument '30000000'.
  
  Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
  
  Reading option '/opt/mediasoup_sample/recordings/IcL8tHJdU9oWEK3rAAAA.mp4' ... matched as output file.
  
  Finished splitting the commandline.
  
  Parsing a group of options: global .
  
  Applying option loglevel (set logging level) with argument debug.
  
  Applying option y (overwrite output files) with argument 1.
  
  Successfully parsed a group of options.
  
  Parsing a group of options: input file rtsp://192.168.193.182:5000/IcL8tHJdU9oWEK3rAAAA.sdp.
  
  Applying option re (read input at native frame rate) with argument 1.
  
  Successfully parsed a group of options.
  
  Opening an input file: rtsp://192.168.193.182:5000/IcL8tHJdU9oWEK3rAAAA.sdp.
  
  [rtsp @ 0x19b4fa0] SDP:
  
  v=0
  
  o=mediasoup IcL8tHJdU9oWEK3rAAAA 0 IN IP4 192.168.193.182
  
  s=IcL8tHJdU9oWEK3rAAAA
  
  c=IN IP4 192.168.193.182
  
  t=0 0
  
  a=group:LS audio video
  
  m=audio 0 RTP/SAVPF 111
  
  a=rtpmap:111 opus/48000
  
  a=fmtp:111 minptime=10;useinbandfec=1
  
  a=control:streamid=0
  
  a=rtcp-fb:111 transport-cc 
  
  a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
  
  a=mid:audio
  
  a=sendrecv
  
  a=rtcp-mux
  
  m=video 0 RTP/SAVPF 107
  
  a=rtpmap:107 H264/90000
  
  a=fmtp:107 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
  
  a=control:streamid=1
  
  a=rtcp-fb:107 ccm fir
  
  a=rtcp-fb:107 nack 
  
  a=rtcp-fb:107 nack pli
  
  a=rtcp-fb:107 goog-remb 
  
  a=rtcp-fb:107 transport-cc 
  
  a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
  
  a=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
  
  a=extmap:4 urn:3gpp:video-orientation
  
  a=extmap:5 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
  
  a=extmap:6 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay
  
  a=mid:video
  
  a=sendrecv
  
  a=rtcp-mux
  
  
  
  [rtsp @ 0x19b4fa0] audio codec set to: opus
  
  [rtsp @ 0x19b4fa0] audio samplerate set to: 48000
  
  [rtsp @ 0x19b4fa0] audio channels set to: 1
  
  [rtsp @ 0x19b4fa0] video codec set to: h264
  
  [rtsp @ 0x19b4fa0] RTP Packetization Mode: 1
  
  [rtsp @ 0x19b4fa0] RTP Profile IDC: 42 Profile IOP: e0 Level: 1f
  
  [udp @ 0x19b5d60] end receive buffer size reported is 131072
  
  [udp @ 0x19ba020] end receive buffer size reported is 131072
  
  [rtsp @ 0x19b4fa0] setting jitter buffer size to 16384
  
  [udp @ 0x19b7a00] end receive buffer size reported is 131072
  
  [udp @ 0x19daca0] end receive buffer size reported is 131072
  
  [rtsp @ 0x19b4fa0] setting jitter buffer size to 16384
  
  [rtsp @ 0x19b4fa0] hello state=0
  
  [h264 @ 0x19b9ac0] non-existing PPS 0 referenced
  
  [h264 @ 0x19b9ac0] nal_unit_type: 5, nal_ref_idc: 3
  
      Last message repeated 3 times
  
  [h264 @ 0x19b9ac0] non-existing PPS 0 referenced
  
  [h264 @ 0x19b9ac0] decode_slice_header error
  
  [h264 @ 0x19b9ac0] non-existing PPS 0 referenced
  
  [h264 @ 0x19b9ac0] decode_slice_header error
  
  [h264 @ 0x19b9ac0] non-existing PPS 0 referenced
  
  [h264 @ 0x19b9ac0] decode_slice_header error
  
  [h264 @ 0x19b9ac0] non-existing PPS 0 referenced
  
  [h264 @ 0x19b9ac0] decode_slice_header error
  
  [h264 @ 0x19b9ac0] no frame!
  
  [h264 @ 0x19b9ac0] non-existing PPS 0 referenced
  
  [h264 @ 0x19b9ac0] nal_unit_type: 9, nal_ref_idc: 0
  
  [h264 @ 0x19b9ac0] nal_unit_type: 1, nal_ref_idc: 3
  
      Last message repeated 3 times
  
  [h264 @ 0x19b9ac0] non-existing PPS 0 referenced
  
  [h264 @ 0x19b9ac0] decode_slice_header error
  
  [h264 @ 0x19b9ac0] non-existing PPS 0 referenced
  
  [h264 @ 0x19b9ac0] decode_slice_header error
  
  [h264 @ 0x19b9ac0] non-existing PPS 0 referenced
  
  [h264 @ 0x19b9ac0] decode_slice_header error
  
  [h264 @ 0x19b9ac0] non-existing PPS 0 referenced
  
  [h264 @ 0x19b9ac0] decode_slice_header error
  
  [h264 @ 0x19b9ac0] no frame!
  
  [h264 @ 0x19b9ac0] non-existing PPS 0 referenced
  
  [h264 @ 0x19b9ac0] nal_unit_type: 9, nal_ref_idc: 0
  
  [h264 @ 0x19b9ac0] nal_unit_type: 1, nal_ref_idc: 3
  
      Last message repeated 3 times
  
  
  
      ... a lot of the same ...
  
  
  
  [h264 @ 0x19b9ac0] non-existing PPS 0 referenced
  
  [h264 @ 0x19b9ac0] decode_slice_header error
  
  [h264 @ 0x19b9ac0] non-existing PPS 0 referenced
  
  [h264 @ 0x19b9ac0] decode_slice_header error
  
  [h264 @ 0x19b9ac0] non-existing PPS 0 referenced
  
  [h264 @ 0x19b9ac0] decode_slice_header error
  
  [h264 @ 0x19b9ac0] non-existing PPS 0 referenced
  
  [h264 @ 0x19b9ac0] decode_slice_header error
  
  [h264 @ 0x19b9ac0] no frame!
  
  [h264 @ 0x19b9ac0] nal_unit_type: 9, nal_ref_idc: 0
  
  [h264 @ 0x19b9ac0] nal_unit_type: 7, nal_ref_idc: 3
  
  [h264 @ 0x19b9ac0] nal_unit_type: 8, nal_ref_idc: 3
  
  [h264 @ 0x19b9ac0] nal_unit_type: 5, nal_ref_idc: 3
  
      Last message repeated 3 times
  
  [h264 @ 0x19b9ac0] Reinit context to 640x480, pix_fmt: yuv420p
  
  [h264 @ 0x19b9ac0] nal_unit_type: 9, nal_ref_idc: 0
  
  [h264 @ 0x19b9ac0] nal_unit_type: 1, nal_ref_idc: 3
  
      Last message repeated 3 times
  
  [h264 @ 0x19b9ac0] nal_unit_type: 9, nal_ref_idc: 0
  
  [h264 @ 0x19b9ac0] nal_unit_type: 1, nal_ref_idc: 3
  
      Last message repeated 3 times
  
  [h264 @ 0x19b9ac0] nal_unit_type: 9, nal_ref_idc: 0
  
  [h264 @ 0x19b9ac0] nal_unit_type: 1, nal_ref_idc: 3
  
      Last message repeated 3 times
  
  [h264 @ 0x19b9ac0] nal_unit_type: 9, nal_ref_idc: 0
  
  [h264 @ 0x19b9ac0] nal_unit_type: 1, nal_ref_idc: 3
  
      Last message repeated 3 times
  
  [h264 @ 0x19b9ac0] nal_unit_type: 9, nal_ref_idc: 0
  
  [h264 @ 0x19b9ac0] nal_unit_type: 1, nal_ref_idc: 3
  
      Last message repeated 3 times
  
  [h264 @ 0x19b9ac0] nal_unit_type: 9, nal_ref_idc: 0
  
  [h264 @ 0x19b9ac0] nal_unit_type: 1, nal_ref_idc: 3
  
      Last message repeated 3 times
  
  [rtsp @ 0x19b4fa0] All info found
  
  Input #0, rtsp, from 'rtsp://192.168.193.182:5000/IcL8tHJdU9oWEK3rAAAA.sdp':
  
    Metadata:
  
      title           : IcL8tHJdU9oWEK3rAAAA
  
    Duration: N/A, start: 0.000000, bitrate: N/A
  
      Stream #0:0, 146, 1/48000: Audio: opus, 48000 Hz, mono, fltp
  
      Stream #0:1, 88, 1/90000: Video: h264 (Constrained Baseline), 1 reference frame, yuv420p(progressive, left), 640x480, 0/1, 30 fps, 30 tbr, 90k tbn, 60 tbc
  
  Successfully opened the file.
  
  Parsing a group of options: output file /opt/mediasoup_sample/recordings/IcL8tHJdU9oWEK3rAAAA.mp4.
  
  Applying option vcodec (force video codec ('copy' to copy stream)) with argument h264.
  
  Applying option acodec (force audio codec ('copy' to copy stream)) with argument aac.
  
  Successfully parsed a group of options.
  
  Opening an output file: /opt/mediasoup_sample/recordings/IcL8tHJdU9oWEK3rAAAA.mp4.
  
  Matched encoder 'libx264' for codec 'h264'.
  
  [file @ 0x1b7bb80] Setting default whitelist 'file,crypto'
  
  Successfully opened the file.
  
  detected 1 logical cores
  
  [graph 0 input from stream 0:1 @ 0x1b788c0] Setting 'video_size' to value '640x480'
  
  [graph 0 input from stream 0:1 @ 0x1b788c0] Setting 'pix_fmt' to value '0'
  
  [graph 0 input from stream 0:1 @ 0x1b788c0] Setting 'time_base' to value '1/90000'
  
  [graph 0 input from stream 0:1 @ 0x1b788c0] Setting 'pixel_aspect' to value '0/1'
  
  [graph 0 input from stream 0:1 @ 0x1b788c0] Setting 'sws_param' to value 'flags=2'
  
  [graph 0 input from stream 0:1 @ 0x1b788c0] Setting 'frame_rate' to value '30/1'
  
  [graph 0 input from stream 0:1 @ 0x1b788c0] w:640 h:480 pixfmt:yuv420p tb:1/90000 fr:30/1 sar:0/1 sws_param:flags=2
  
  [format @ 0x1a78e00] compat: called with args=[yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16]
  
  [format @ 0x1a78e00] Setting 'pix_fmts' to value 'yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16'
  
  [AVFilterGraph @ 0x19ba180] query_formats: 4 queried, 3 merged, 0 already done, 0 delayed
  
  [graph 1 input from stream 0:0 @ 0x1b89ae0] Setting 'time_base' to value '1/48000'
  
  [graph 1 input from stream 0:0 @ 0x1b89ae0] Setting 'sample_rate' to value '48000'
  
  [graph 1 input from stream 0:0 @ 0x1b89ae0] Setting 'sample_fmt' to value 'fltp'
  
  [graph 1 input from stream 0:0 @ 0x1b89ae0] Setting 'channel_layout' to value '0x4'
  
  [graph 1 input from stream 0:0 @ 0x1b89ae0] tb:1/48000 samplefmt:fltp samplerate:48000 chlayout:0x4
  
  [audio format for output stream 0:1 @ 0x1a7aa00] Setting 'sample_fmts' to value 'fltp'
  
  [audio format for output stream 0:1 @ 0x1a7aa00] Setting 'sample_rates' to value '96000|88200|64000|48000|44100|32000|24000|22050|16000|12000|11025|8000|7350'
  
  [AVFilterGraph @ 0x1a7a6e0] query_formats: 4 queried, 9 merged, 0 already done, 0 delayed
  
  [h264 @ 0x1b779a0] nal_unit_type: 9, nal_ref_idc: 0
  
  [h264 @ 0x1b779a0] nal_unit_type: 7, nal_ref_idc: 3
  
  [h264 @ 0x1b779a0] nal_unit_type: 8, nal_ref_idc: 3
  
  [h264 @ 0x1b779a0] Ignoring NAL type 9 in extradata
  
  [libx264 @ 0x1a6b5e0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
  
  [libx264 @ 0x1a6b5e0] profile High, level 3.0
  
  [libx264 @ 0x1a6b5e0] 264 - core 140 - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - 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=1 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 '/opt/mediasoup_sample/recordings/IcL8tHJdU9oWEK3rAAAA.mp4':
  
    Metadata:
  
      title           : IcL8tHJdU9oWEK3rAAAA
  
      encoder         : Lavf57.56.100
  
      Stream #0:0, 0, 1/15360: Video: h264 (libx264), 1 reference frame ([33][0][0][0] / 0x0021), yuv420p(left), 640x480, 0/1, q=-1--1, 30 fps, 15360 tbn, 30 tbc
  
      Metadata:
  
        encoder         : Lavc57.64.100 libx264
  
      Side data:
  
        cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
  
      Stream #0:1, 0, 1/48000: Audio: aac (LC) ([64][0][0][0] / 0x0040), 48000 Hz, mono, fltp, delay 1024, 69 kb/s
  
      Metadata:
  
        encoder         : Lavc57.64.100 aac
  
  Stream mapping:
  
    Stream #0:1 -> #0:0 (h264 (native) -> h264 (libx264))
  
    Stream #0:0 -> #0:1 (opus (native) -> aac (native))
  
  Press [q] to stop, [?] for help
  
  cur_dts is invalid (this is harmless if it occurs once at the start per stream)
  
      Last message repeated 1 times
  
  [SWR @ 0x1af80a0] Using fltp internally between filters
  
  cur_dts is invalid (this is harmless if it occurs once at the start per stream)
  
      Last message repeated 48 times
  
  [h264 @ 0x1b779a0] nal_unit_type: 5, nal_ref_idc: 3
  
      Last message repeated 3 times
  
  [h264 @ 0x1b779a0] Reinit context to 640x480, pix_fmt: yuv420p
  
  *** 67 dup!
  
  [libx264 @ 0x1a6b5e0] frame=   0 QP=16.76 NAL=3 Slice:I Poc:0   I:1200 P:0    SKIP:0    size=29147 bytes
  
  [libx264 @ 0x1a6b5e0] frame=   1 QP=15.49 NAL=2 Slice:P Poc:8   I:1    P:198  SKIP:1001 size=588 bytes
  
  
  
      ... a lot of the same ...
  
  
  
  [libx264 @ 0x1a6b5e0] frame=  25 QP=16.64 NAL=2 Slice:P Poc:56  I:0    P:15   SKIP:1185 size=72 bytes
  
  [libx264 @ 0x1a6b5e0] frame=  26 QP=27.00 NAL=2 Slice:B Poc:52  I:0    P:18   SKIP:1182 size=44 bytes
  
  frame=   68 fps= 38 q=29.0 size=      32kB time=00:00:00.80 bitrate= 332.6kbits/s dup=67 drop=0 speed=0.453x    
  
  [h264 @ 0x1b779a0] nal_unit_type: 9, nal_ref_idc: 0
  
  [h264 @ 0x1b779a0] nal_unit_type: 1, nal_ref_idc: 3
  
      Last message repeated 3 times
  
  [h264 @ 0x1b779a0] nal_unit_type: 9, nal_ref_idc: 0
  
  [h264 @ 0x1b779a0] nal_unit_type: 1, nal_ref_idc: 3
  
      Last message repeated 3 times
  
  
  
      ... a lot of the same ...
  
  
  
  *** dropping frame 68 from stream 0 at ts 64
  
  [h264 @ 0x1b779a0] nal_unit_type: 9, nal_ref_idc: 0
  
  [h264 @ 0x1b779a0] nal_unit_type: 1, nal_ref_idc: 3
  
      Last message repeated 3 times
  
  *** dropping frame 68 from stream 0 at ts 65
  
  [libx264 @ 0x1a6b5e0] frame=  27 QP=29.00 NAL=0 Slice:B Poc:50  I:0    P:1    SKIP:1199 size=19 bytes
  
  [h264 @ 0x1b779a0] nal_unit_type: 9, nal_ref_idc: 0
  
  [h264 @ 0x1b779a0] nal_unit_type: 1, nal_ref_idc: 3
  
      Last message repeated 3 times
  
  
  
      ... a lot of the same ...
  
  
  
  [libx264 @ 0x1a6b5e0] frame= 362 QP=24.00 NAL=2 Slice:B Poc:208 I:0    P:6    SKIP:1194 size=30 bytes
  
  [libx264 @ 0x1a6b5e0] frame= 363 QP=26.00 NAL=0 Slice:B Poc:206 I:0    P:0    SKIP:1200 size=19 bytes
  
  [h264 @ 0x1b779a0] nal_unit_type: 1, nal_ref_idc: 3
  
  [h264 @ 0x1b779a0] concealing 880 DC, 880 AC, 880 MV errors in P frame
  
  *** 1 dup!
  
  [libx264 @ 0x1a6b5e0] frame= 364 QP=26.00 NAL=0 Slice:B Poc:210 I:0    P:0    SKIP:1200 size=19 bytes
  
  [libx264 @ 0x1a6b5e0] frame= 365 QP=16.71 NAL=2 Slice:P Poc:220 I:0    P:8    SKIP:1192 size=51 bytes
  
  frame=  407 fps= 16 q=29.0 size=     306kB time=00:00:17.48 bitrate= 143.2kbits/s dup=329 drop=65 speed=0.675x    
  
  [rtsp @ 0x19b4fa0] max delay reached. need to consume packet
  
  [rtsp @ 0x19b4fa0] RTP: missed 2 packets
  
  [h264 @ 0x1b779a0] nal_unit_type: 9, nal_ref_idc: 0
  
  [h264 @ 0x1b779a0] nal_unit_type: 1, nal_ref_idc: 3
  
  [h264 @ 0x1b779a0] concealing 920 DC, 920 AC, 920 MV errors in P frame
  
  *** 1 dup!
  
  
  
      ... a lot of the same ...
  
  
  
  [libx264 @ 0x1a6b5e0] frame= 420 QP=25.50 NAL=0 Slice:B Poc:322 I:0    P:280  SKIP:920  size=282 bytes
  
  [libx264 @ 0x1a6b5e0] frame= 421 QP=24.51 NAL=2 Slice:P Poc:326 I:0    P:43   SKIP:1157 size=112 bytes
  
  [aac @ 0x1a79de0] Trying to remove 320 more samples than there are in the queue
  
  frame=  422 fps=8.7 q=29.0 Lsize=     379kB time=00:00:17.54 bitrate= 176.7kbits/s dup=338 drop=65 speed=0.36x    
  
  video:240kB audio:123kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 4.257356%
  
  Input file #0 (rtsp://192.168.193.182:5000/IcL8tHJdU9oWEK3rAAAA.sdp):
  
    Input stream #0:0 (audio): 725 packets read (54182 bytes); 725 frames decoded (696000 samples); 
  
    Input stream #0:1 (video): 150 packets read (203332 bytes); 150 frames decoded; 
  
    Total: 875 packets (257514 bytes) demuxed
  
  Output file #0 (/opt/mediasoup_sample/recordings/IcL8tHJdU9oWEK3rAAAA.mp4):
  
    Output stream #0:0 (video): 422 frames encoded; 422 packets muxed (245681 bytes); 
  
    Output stream #0:1 (audio): 680 frames encoded (696000 samples); 681 packets muxed (126146 bytes); 
  
    Total: 1103 packets (371827 bytes) muxed
  
  875 frames successfully decoded, 0 decoding errors
  
  [AVIOContext @ 0x1a6c4e0] Statistics: 60 seeks, 1148 writeouts
  
  [libx264 @ 0x1a6b5e0] frame I:3     Avg QP:17.89  size: 17026
  
  [libx264 @ 0x1a6b5e0] frame P:120   Avg QP:18.27  size:  1244
  
  [libx264 @ 0x1a6b5e0] frame B:299   Avg QP:24.50  size:   149
  
  [libx264 @ 0x1a6b5e0] consecutive B-frames:  4.7%  1.9%  1.4% 91.9%
  
  [libx264 @ 0x1a6b5e0] mb I  I16..4: 19.9% 48.9% 31.1%
  
  [libx264 @ 0x1a6b5e0] mb P  I16..4:  2.1%  5.2%  0.8%  P16..4: 10.3%  1.2%  0.6%  0.0%  0.0%    skip:79.7%
  
  [libx264 @ 0x1a6b5e0] mb B  I16..4:  0.1%  0.1%  0.0%  B16..8:  5.4%  0.2%  0.0%  direct: 0.8%  skip:93.5%  L0:56.3% L1:43.1% BI: 0.5%
  
  [libx264 @ 0x1a6b5e0] 8x8 transform intra:60.5% inter:62.3%
  
  [libx264 @ 0x1a6b5e0] coded y,uvDC,uvAC intra: 40.2% 49.9% 19.0% inter: 0.7% 3.2% 0.1%
  
  [libx264 @ 0x1a6b5e0] i16 v,h,dc,p: 26% 30%  9% 36%
  
  [libx264 @ 0x1a6b5e0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 44% 27% 13%  3%  2%  2%  3%  3%  3%
  
  [libx264 @ 0x1a6b5e0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 38% 28% 11%  3%  5%  4%  5%  4%  3%
  
  [libx264 @ 0x1a6b5e0] i8c dc,h,v,p: 38% 28% 23% 12%
  
  [libx264 @ 0x1a6b5e0] Weighted P-Frames: Y:2.5% UV:2.5%
  
  [libx264 @ 0x1a6b5e0] ref P L0: 82.7%  3.3% 10.6%  3.3%  0.0%
  
  [libx264 @ 0x1a6b5e0] ref B L0: 86.6% 12.6%  0.7%
  
  [libx264 @ 0x1a6b5e0] ref B L1: 96.5%  3.5%
  
  [libx264 @ 0x1a6b5e0] kb/s:139.34
  
  [aac @ 0x1a79de0] Qavg: 212.691

  Thanks,
  Johnathan Kanarek