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• Nginx rtmp module - on_publish fires multiple time instead of once

  29 juillet 2017, par Stephen Wright

  This is copy and pasted from the bug report I created on the rtmp-module by Arut, I am not completely sure if it is a bug or me not understanding how the module works, I have read the whole directives of module as from https://github.com/arut/nginx-rtmp-module/wiki/Directives

  Proper explanation, if code is not displayed properly I will edit and fix

  Hi, been using the module and finding it very very good !

  Think I have found a issue though, although it may be me misunderstanding the directives.

  Essentially I wish to fire a script (/usr/local/bin/make_thumbnail.sh) which creates a thumbnail automatically from a stream (using ffmpeg), the idea is to have this done for every stream as soon as it is published in order to create a function a bit like twitch tv where the streamer will not have to specify any thumbnail image, authenticated users simply start a stream (which will later be authenticated but is not yet) The script does also write data into the database however this stage works fine and I don’t believe the issue is related, if I comment out these lines then the thumbnail creation still works and my issue continues.

  Initially this was done using the "exec" command as I believe I mis-read the documentation and I believe the exec command doesn’t work for my problem as ". When publishing stops the process is terminated." does this mean it will continually execute until stream stops ?

  I have started using the exec_publish command to try and fix this issue however the same issue seems to occur. The entire script repeats approximately every 15-17 seconds, a new thumbnail is created and a new database entry is create with all the correct information.

  Below is the nginx.conf line. Please ignore if indentation is incorrect couldn’t see a way to indent blocks of code and it’s late here, assume all code is indented correctly unless you believe that could be the issue in which case I will post it indented as early as I can.

  application live {
  
  allow play all;
  
  live on;
  
  record all;
  
  record_path /var/stream/video_recordings/;
  
  record_unique on; 
  
  hls on;
  
  hls_nested on;
  
  hls_path /var/stream/HLS/live;
  
  hls_fragment 10s;
  
  
  
  #on publish create thumbnail using first second of stream and save in 
  
  /var/stream/video_recordings/thumbnails
  
  exec_publish usr/local/bin/make_thumbnail.sh $name;

  The rest can be pasted or attached if needed but is working nginx config for rtmp + website

  The most simple version of the make_thumbnail..sh is pasted below, I have omitted the variables that I have used for database entryys obviously but as the script works without fail from terminal I believe this to be an nginx issue (if I run the command manually under the nginx user e.g. sudo -u nginx /usr/local/bin/make_thumbnail.sh with a name the same as any running stream, it works and only executes once as would expect, all permissions in script are ok and tested.

  make_thumbnail.sh

  #!/bin/bash
  
  
  
  TIME=$(date +%s)
  
  NAME=$1 
  
  echo "time: "
  
  FILENAME=${TIME}_${NAME}
  
  
  
  ffmpeg -i rtmp://192.168.0.98:1935/live/$1 -vframes 1 -s 150x150 -ss 10 -
  
  strftime 1 /var/stream/video_recordings/thumbnails/"$FILENAME.jpg";
  
  
  
  #Writes path to video into database
  
  mysql --user=$DB_USER --password=$DB_PASSWD $DB_NAME << EOF
  
  INSERT INTO $TABLE3 (thumbnailfile) VALUES ('$FILENAME');
  
  set @last_id_in_thumbnails = LAST_INSERT_ID();
  
  INSERT INTO $TABLE (created_at, updated_at, thumnailID) VALUES 
  
  (NOW(),NOW(),@last_id_in_thumbnails);
  
  SET @last_id_in_livestreams = LAST_INSERT_ID();
  
  INSERT INTO $TABLE2 (created_at, updated_at, filename,liveID) VALUES 
  
  (NOW(),NOW(),'$FILENAME',@last_id_in_livestreams); 
  
  EOF

  I have not got the nginx rtmp logs installed, I can obviously do this however some of the logs appear in the nginx error.log, strangely the latest stream I tried did not update in the access log, however I think this is because I did not attempt to connect to it via any method. I don’t fully understand the error.log, in my stupidity I decided to use nginx with which I am quite inexperienced and I am finding it very difficult to troubleshoot this issue, it appears to me that as part of the RTMP protocol or my streaming software (OBS) is either directly pinging the rtmp stream or is being pinged by the server to ensure the connection is still there. And this ping is

  I have left a stream running from approx 4 minutes without interacting with the server, streaming software, computer running the stream, I have ensured the internet connection is constant as my first though was the connection dropped, however on inspecting the database the executing is done always after at least 11 seconds however usually this is 16, I can’t seem to figure out how to select the closest dates from the database however there has been at least a few 17 second differences (potentially when
  I am unsure if this is an issue or if it is intended behavior but I do require this to finish a university degree, I’m not asking for answers but if it is a legitimate issue then I would be happy to spend as much time I can commit to it if some insight into what is causing it, or if there is a workaround I believe it should be documented somewhere, I have googled into making any exec commands run only once on publish

  I can’t seem to pinpoint where in the log the issue is happening however think it is something to do with the below exceprts I would attach the file but can’t seem to select all lines after the timestamp upon starting a stream

  2017/07/26 18:17:35 [info] 1451#0: *2229 exec: starting managed child 
  
  'ffmpeg', client: 192.168.0.78, server: 0.0.0.0:1935
  
  2017/07/26 18:17:35 [info] 1451#0: *2412 client connected '192.168.0.98'
  
  2017/07/26 18:17:35 [info] 1451#0: *2412 connect: app='live' args='' 
  
  flashver='LNX 9,0,124,2' swf_url='' tc_url='rtmp://192.168.0.98:1935/live' 
  
  page_url='' acodecs=4071 vcodecs=252 object_encoding=0, client: 
  
  192.168.0.98, server: 0.0.0.0:1935
  
  2017/07/26 18:17:35 [info] 1451#0: *2412 createStream, client: 192.168.0.98, 
  
  server: 0.0.0.0:1935
  
  2017/07/26 18:17:35 [info] 1451#0: *2412 play: name='newname' args='' 
  
  start=-2000 duration=0 reset=0 silent=0, client: 192.168.0.98, server:  
  
  0.0.0.0:1935
  
  2017/07/26 18:17:36 [info] 1451#0: *2410 recv() failed (104: Connection  
  
  reset by peer), client: 192.168.0.98, server: 0.0.0.0:1935
  
  2017/07/26 18:17:36 [info] 1451#0: *2410 disconnect, client: 192.168.0.98, 
  
  server: 0.0.0.0:1935
  
  2017/07/26 18:17:36 [info] 1451#0: *2410 deleteStream, client: 192.168.0.98, 
  
  server: 0.0.0.0:1935
  
  2017/07/26 18:17:36 [notice] 1451#0: signal 17 (SIGCHLD) received
  
  2017/07/26 18:17:36 [notice] 1451#0: unknown process 10487 exited with code 
  
  0
  
  2017/07/26 18:17:36 [info] 1451#0: *2229 exec: child 10487 exited; ignoring, 
  
  client: 192.168.0.78, server: 0.0.0.0:1935
  
  
  
  ver: 0.0.0.0:1935
  
  2017/07/26 18:17:41 [info] 1451#0: *2229 exec: starting managed child 
  
  'usr/local/bin/make_thumbnail.sh', client: 192.168.0.78, server:  
  
  0.0.0.0:1935
  
  2017/07/26 18:17:41 [info] 1451#0: *2413 client connected '192.168.0.98'
  
  2017/07/26 18:17:41 [info] 1451#0: *2413 connect: app='live' args='' 
  
  flashver='LNX 9,0,124,2' swf_url='' tc_url='rtmp://192.168.0.98:1935/live' 
  
  page_url='' acodecs=4071 vcodecs=252 object_encoding=0, client: 
  
  192.168.0.98, 
  
  server: 0.0.0.0:1935
  
  2017/07/26 18:17:41 [info] 1451#0: *2413 createStream, client: 192.168.0.98, 
  
  server: 0.0.0.0:1935
  
  2017/07/26 18:17:41 [info] 1451#0: *2413 play: name='newname' args='' 
  
  start=-2000 duration=0 reset=0 silent=0, client: 192.168.0.98, server: 
  
  0.0.0.0:1935
  
  2017/07/26 18:17:43 [info] 1451#0: *2229 exec: starting managed child 
  
  'ffmpeg', 
  
  client: 192.168.0.78, server: 0.0.0.0:1935
  
  2017/07/26 18:17:43 [info] 1451#0: *2414 client connected '192.168.0.98'
  
  2017/07/26 18:17:43 [info] 1451#0: *2414 connect: app='live' args='' 
  
  flashver='LNX 9,0,124,2' swf_url='' tc_url='rtmp://192.168.0.98:1935/live' 
  
  page_url='' acodecs=4071 vcodecs=252 object_encoding=0, client: 
  
  192.168.0.98, 
  
  server: 0.0.0.0:1935
  
  @

• ffmpeg - splitting, overlaying and selecting frame range in multiple input/outputs with complex video filter producing empty output

  11 octobre 2017, par Josep Carner

  I am trying to use ffmpeg to apply multiple filters -single input, multiple outputs-. In concrete, I am splitting the output in two, then applying an overlaying patch to one of those streams, split again and select a time range. The command I am using is :

     ffmpeg \
  
      -i ./dataset_test/videos/jz_10_huron_barstow.mkv \
  
      -an \
  
      -sn \
  
      -loglevel error \
  
      -filter_complex \
  
          "[0:v]split=2[L_in][F_in];
  
           [L_in]
  
              crop=226:307:21:74,scale=200x200,setdar=200:200,split=2\
  
           [L_in_0][L_in_1];\
  
           color=#808080:226x307,setpts=PTS-STARTPTS[L_PATCH];\
  
           [F_in][L_PATCH]
  
              overlay=21:74:shortest=1,scale=200x200,setdar=200:200,split=2\
  
           [F_in_0][F_in_1];\
  
           [F_in_0]select='between(t\,32\,212)',select='not(mod(n\,20))',setpts=(PTS-STARTPTS)/20[F_0];\
  
           [F_in_1]select='between(t\,213\,393)',select='not(mod(n\,20))',setpts=(PTS-STARTPTS)/20[F_1];\
  
           [L_in_0]select='between(t\,32\,212)',select='not(mod(n\,20))',setpts=(PTS-STARTPTS)/20[L_0];\
  
           [L_in_1]select='between(t\,213\,393)',select='not(mod(n\,20))',setpts=(PTS-STARTPTS)/20[L_1]\
  
           "\
  
      -map [F_0] -an -sn ./out/jz_10_huron_barstow/F/0_F.mp4\
  
      -map [F_1] -an -sn ./out/jz_10_huron_barstow/F/1_F.mp4\
  
      -map [L_0] -an -sn ./out/jz_10_huron_barstow/L/0_L.mp4\
  
      -map [L_1] -an -sn ./out/jz_10_huron_barstow/L/1_L.mp4\

  For some reason, 0_F.mp4 is empty and 1_F.mp4 is cropped. My intuition is that it has something to do with applying splitting + overlaying + selecting. I think at some point some filter before select is changing the PTS of the frames in some way select is not properly discarding them, but I honestly don’t know how to solve it. Some insights :

  1. L_0 and L_1 are fine (no overlay is used in those two)

  2. If I suppress L outputs everything works fine (no "split" is needed at the beginning)

  Could someone provide some light ? I don’t really know what else to try.
  The logs with loglevel 40 are (some repeated lines ommited) :

  ffmpeg version 2.8.1 Copyright (c) 2000-2015 the FFmpeg developers
  
    built with Apple LLVM version 9.0.0 (clang-900.0.37)
  
    configuration: --prefix=/usr/local/Cellar/ffmpeg/2.8.1_1 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-opencl --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc --enable-libxvid --enable-vda
  
    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
  
  Input #0, matroska,webm, from './dataset_test/videos/jz_10_huron_barstow.mkv':
  
    Metadata:
  
      ENCODER         : Lavf57.66.104
  
    Duration: 00:24:04.14, start: 0.000000, bitrate: 2117 kb/s
  
      Stream #0:0: Video: h264 (Main), 1 reference frame, yuv420p, 1440x900 (1440x912) [SAR 1:1 DAR 8:5], 30 fps, 30 tbr, 1k tbn, 60 tbc (default)
  
      Metadata:
  
        ENCODER         : Lavc57.83.100 h264_nvenc
  
        DURATION        : 00:24:04.102000000
  
      Stream #0:1: Audio: ac3, 48000 Hz, stereo, fltp, 192 kb/s (default)
  
      Metadata:
  
        ENCODER         : Lavc57.83.100 ac3
  
        DURATION        : 00:24:04.135000000
  
  [Parsed_scale_2 @ 0x7fdfd2403d20] w:200 h:200 flags:'bilinear' interl:0
  
  [Parsed_setdar_3 @ 0x7fdfd240ad80] num:den syntax is deprecated, please use num/den or named options instead
  
  [Parsed_color_5 @ 0x7fdfd24096a0] size:226x307 rate:25/1 duration:-1.000000 sar:1/1
  
  [Parsed_scale_8 @ 0x7fdfd24092c0] w:200 h:200 flags:'bilinear' interl:0
  
  [Parsed_setdar_9 @ 0x7fdfd240b360] num:den syntax is deprecated, please use num/den or named options instead
  
  [Parsed_scale_2 @ 0x7fdfd2509b00] w:200 h:200 flags:'bilinear' interl:0
  
  [Parsed_setdar_3 @ 0x7fdfd25092c0] num:den syntax is deprecated, please use num/den or named options instead
  
  [Parsed_color_5 @ 0x7fdfd250a520] size:226x307 rate:25/1 duration:-1.000000 sar:1/1
  
  [Parsed_scale_8 @ 0x7fdfd250b620] w:200 h:200 flags:'bilinear' interl:0
  
  [Parsed_setdar_9 @ 0x7fdfd250a960] num:den syntax is deprecated, please use num/den or named options instead
  
  [graph 0 input from stream 0:0 @ 0x7fdfd2511360] w:1440 h:900 pixfmt:yuv420p tb:1/1000 fr:30/1 sar:1/1 sws_param:flags=2
  
  [Parsed_crop_1 @ 0x7fdfd2509c80] w:1440 h:900 sar:1/1 -> w:226 h:306 sar:1/1
  
  [Parsed_scale_2 @ 0x7fdfd2509b00] w:226 h:306 fmt:yuv420p sar:1/1 -> w:200 h:200 fmt:yuv420p sar:113/153 flags:0x2
  
  [Parsed_setdar_3 @ 0x7fdfd25092c0] w:200 h:200 dar:113/153 sar:113/153 -> dar:1/1 sar:1/1
  
  [Parsed_select_21 @ 0x7fdfd250a760] TB:0.001000 FRAME_RATE:30.000000 SAMPLE_RATE:nan
  
  [Parsed_select_18 @ 0x7fdfd250a080] TB:0.001000 FRAME_RATE:30.000000 SAMPLE_RATE:nan
  
  [Parsed_color_5 @ 0x7fdfd250a520] TB:0.040000 FRAME_RATE:25.000000 SAMPLE_RATE:nan
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] main w:1440 h:900 fmt:yuv420p overlay w:226 h:306 fmt:yuva420p eof_action:endall
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Selected 1/1000 time base
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Sync level 2
  
  [Parsed_scale_8 @ 0x7fdfd250b620] w:1440 h:900 fmt:yuv420p sar:1/1 -> w:200 h:200 fmt:yuv420p sar:8/5 flags:0x2
  
  [Parsed_setdar_9 @ 0x7fdfd250a960] w:200 h:200 dar:8/5 sar:8/5 -> dar:1/1 sar:1/1
  
  [Parsed_select_15 @ 0x7fdfd250dd00] TB:0.001000 FRAME_RATE:30.000000 SAMPLE_RATE:nan
  
  [Parsed_select_12 @ 0x7fdfd250ca60] TB:0.001000 FRAME_RATE:30.000000 SAMPLE_RATE:nan
  
  [libx264 @ 0x7fdfd4005e00] using SAR=1/1
  
  [libx264 @ 0x7fdfd4005e00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
  
  [libx264 @ 0x7fdfd4005e00] profile High, level 1.2
  
  [libx264 @ 0x7fdfd4005e00] 264 - core 148 r2601 a0cd7d3 - 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=6 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
  
  [libx264 @ 0x7fdfd400f600] using SAR=1/1
  
  [libx264 @ 0x7fdfd400f600] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
  
  [libx264 @ 0x7fdfd400f600] profile High, level 1.2
  
  [libx264 @ 0x7fdfd400f600] 264 - core 148 r2601 a0cd7d3 - 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=6 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
  
  [libx264 @ 0x7fdfd4018e00] using SAR=1/1
  
  [libx264 @ 0x7fdfd4018e00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
  
  [libx264 @ 0x7fdfd4018e00] profile High, level 1.2
  
  [libx264 @ 0x7fdfd4018e00] 264 - core 148 r2601 a0cd7d3 - 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=6 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
  
  [libx264 @ 0x7fdfd4022600] using SAR=1/1
  
  [libx264 @ 0x7fdfd4022600] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
  
  [libx264 @ 0x7fdfd4022600] profile High, level 1.2
  
  [libx264 @ 0x7fdfd4022600] 264 - core 148 r2601 a0cd7d3 - 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=6 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 './out/jz_10_huron_barstow/F/0_F.mp4':
  
    Metadata:
  
      encoder         : Lavf56.40.101
  
      Stream #0:0: Video: h264 (libx264), -1 reference frame ([33][0][0][0] / 0x0021), yuv420p, 200x200 [SAR 1:1 DAR 1:1], q=-1--1, 30 fps, 15360 tbn, 30 tbc (default)
  
      Metadata:
  
        encoder         : Lavc56.60.100 libx264
  
  Output #1, mp4, to './out/jz_10_huron_barstow/F/1_F.mp4':
  
    Metadata:
  
      encoder         : Lavf56.40.101
  
      Stream #1:0: Video: h264 (libx264), -1 reference frame ([33][0][0][0] / 0x0021), yuv420p, 200x200 [SAR 1:1 DAR 1:1], q=-1--1, 30 fps, 15360 tbn, 30 tbc (default)
  
      Metadata:
  
        encoder         : Lavc56.60.100 libx264
  
  Output #2, mp4, to './out/jz_10_huron_barstow/L/0_L.mp4':
  
    Metadata:
  
      encoder         : Lavf56.40.101
  
      Stream #2:0: Video: h264 (libx264), -1 reference frame ([33][0][0][0] / 0x0021), yuv420p, 200x200 [SAR 1:1 DAR 1:1], q=-1--1, 30 fps, 15360 tbn, 30 tbc (default)
  
      Metadata:
  
        encoder         : Lavc56.60.100 libx264
  
  Output #3, mp4, to './out/jz_10_huron_barstow/L/1_L.mp4':
  
    Metadata:
  
      encoder         : Lavf56.40.101
  
      Stream #3:0: Video: h264 (libx264), -1 reference frame ([33][0][0][0] / 0x0021), yuv420p, 200x200 [SAR 1:1 DAR 1:1], q=-1--1, 30 fps, 15360 tbn, 30 tbc (default)
  
      Metadata:
  
        encoder         : Lavc56.60.100 libx264
  
  Stream mapping:
  
    Stream #0:0 (h264) -> split
  
    setpts -> Stream #0:0 (libx264)
  
    setpts -> Stream #1:0 (libx264)
  
    setpts -> Stream #2:0 (libx264)
  
    setpts -> Stream #3:0 (libx264)
  
  Press [q] to stop, [?] for help
  
  [swscaler @ 0x7fdfd3800000] Warning: data is not aligned! This can lead to a speedloss
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 210 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 262 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 239 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 195 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 211 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 255 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 148 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 174 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 182 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 193 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:00.26 bitrate=   1.4kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 156 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:00.53 bitrate=   0.7kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 154 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:00.76 bitrate=   0.5kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 155 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:01.03 bitrate=   0.4kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 231 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:01.43 bitrate=   0.3kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 260 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:01.86 bitrate=   0.2kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 256 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:02.30 bitrate=   0.2kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 209 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:02.63 bitrate=   0.1kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 253 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:03.06 bitrate=   0.1kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 160 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:03.33 bitrate=   0.1kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 189 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:03.63 bitrate=   0.1kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 201 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:03.96 bitrate=   0.1kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 251 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:04.40 bitrate=   0.1kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 246 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:04.80 bitrate=   0.1kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 257 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:05.23 bitrate=   0.1kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 258 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:05.66 bitrate=   0.1kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 251 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:06.10 bitrate=   0.1kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 274 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:06.56 bitrate=   0.1kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 282 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:07.03 bitrate=   0.1kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Buffer queue overflow, dropping.
  
      Last message repeated 185 times
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:07.26 bitrate=   0.1kbits/s    
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:07.26 bitrate=   0.1kbits/s    
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:07.26 bitrate=   0.1kbits/s    
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:07.26 bitrate=   0.1kbits/s    
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:07.26 bitrate=   0.1kbits/s    
  
  frame=    0 fps=0.0 q=0.0 q=0.0 q=29.0 q=0.0 size=       0kB time=00:00:07.26 bitrate=   0.1kbits/s    
  
  frame=    0 fps=0.0 q=0.0 q=29.0 q=29.0 q=29.0 size=       0kB time=00:00:07.26 bitrate=   0.1kbits/s    
  
  frame=    0 fps=0.0 q=0.0 q=29.0 q=29.0 q=29.0 size=       0kB time=00:00:07.26 bitrate=   0.1kbits/s    
  
  frame=    0 fps=0.0 q=0.0 q=29.0 q=29.0 q=29.0 size=       0kB time=00:00:07.26 bitrate=   0.1kbits/s    
  
  frame=    0 fps=0.0 q=0.0 q=29.0 q=29.0 q=29.0 size=       0kB time=00:00:07.26 bitrate=   0.1kbits/s    
  
  frame=    0 fps=0.0 q=0.0 q=29.0 q=29.0 q=29.0 size=       0kB time=00:00:07.26 bitrate=   0.1kbits/s    
  
  […]   
  
  frame=    0 fps=0.0 q=0.0 q=29.0 q=29.0 q=29.0 size=       0kB time=00:00:07.26 bitrate=   0.1kbits/s    
  
  [Parsed_overlay_7 @ 0x7fdfd250b020] [framesync @ 0x7fdfd250b708] Sync level 1
  
  No more output streams to write to, finishing.
  
  frame=    0 fps=0.0 q=0.0 Lq=-1.0 q=-1.0 q=-1.0 size=       0kB time=00:00:08.93 bitrate=   0.2kbits/s    
  
  video:620kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
  
  Input file #0 (./dataset_test/videos/jz_10_huron_barstow.mkv):
  
    Input stream #0:0 (video): 43323 packets read (347030822 bytes); 43323 frames decoded; 
  
    Input stream #0:1 (audio): 4 packets read (3072 bytes); 
  
    Total: 43327 packets (347033894 bytes) demuxed
  
  Output file #0 (./out/jz_10_huron_barstow/F/0_F.mp4):
  
    Output stream #0:0 (video): 0 frames encoded; 0 packets muxed (0 bytes); 
  
    Total: 0 packets (0 bytes) muxed
  
  Output file #1 (./out/jz_10_huron_barstow/F/1_F.mp4):
  
    Output stream #1:0 (video): 270 frames encoded; 270 packets muxed (309743 bytes); 
  
    Total: 270 packets (309743 bytes) muxed
  
  Output file #2 (./out/jz_10_huron_barstow/L/0_L.mp4):
  
    Output stream #2:0 (video): 270 frames encoded; 270 packets muxed (169687 bytes); 
  
    Total: 270 packets (169687 bytes) muxed
  
  Output file #3 (./out/jz_10_huron_barstow/L/1_L.mp4):
  
    Output stream #3:0 (video): 270 frames encoded; 270 packets muxed (155502 bytes); 
  
    Total: 270 packets (155502 bytes) muxed
  
  [libx264 @ 0x7fdfd400f600] frame I:2     Avg QP:25.08  size:  3204
  
  [libx264 @ 0x7fdfd400f600] frame P:140   Avg QP:26.63  size:  1426
  
  [libx264 @ 0x7fdfd400f600] frame B:128   Avg QP:28.64  size:   805
  
  [libx264 @ 0x7fdfd400f600] consecutive B-frames:  5.2% 94.8%  0.0%  0.0%
  
  [libx264 @ 0x7fdfd400f600] mb I  I16..4:  8.6% 62.7% 28.7%
  
  [libx264 @ 0x7fdfd400f600] mb P  I16..4:  2.5% 12.5%  3.4%  P16..4: 39.2% 21.4%  9.3%  0.0%  0.0%    skip:11.6%
  
  [libx264 @ 0x7fdfd400f600] mb B  I16..4:  0.5%  4.0%  1.0%  B16..8: 36.5% 16.7%  4.0%  direct: 5.5%  skip:31.8%  L0:43.4% L1:46.9% BI: 9.7%
  
  [libx264 @ 0x7fdfd400f600] 8x8 transform intra:68.6% inter:67.7%
  
  [libx264 @ 0x7fdfd400f600] coded y,uvDC,uvAC intra: 63.1% 48.6% 17.9% inter: 34.5% 21.1% 3.6%
  
  [libx264 @ 0x7fdfd400f600] i16 v,h,dc,p: 24% 23% 12% 41%
  
  [libx264 @ 0x7fdfd400f600] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 17% 19% 26%  7%  5%  5%  7%  6%  8%
  
  [libx264 @ 0x7fdfd400f600] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22% 29% 18%  6%  6%  5%  5%  4%  5%
  
  [libx264 @ 0x7fdfd400f600] i8c dc,h,v,p: 63% 21% 14%  3%
  
  [libx264 @ 0x7fdfd400f600] Weighted P-Frames: Y:14.3% UV:1.4%
  
  [libx264 @ 0x7fdfd400f600] ref P L0: 49.2% 20.4% 17.3% 11.2%  1.9%
  
  [libx264 @ 0x7fdfd400f600] ref B L0: 75.4% 24.6%
  
  [libx264 @ 0x7fdfd400f600] kb/s:274.71
  
  [libx264 @ 0x7fdfd4018e00] frame I:2     Avg QP:23.87  size:  2294
  
  [libx264 @ 0x7fdfd4018e00] frame P:133   Avg QP:25.45  size:   864
  
  [libx264 @ 0x7fdfd4018e00] frame B:135   Avg QP:28.99  size:   367
  
  [libx264 @ 0x7fdfd4018e00] consecutive B-frames: 17.4% 38.5% 27.8% 16.3%
  
  [libx264 @ 0x7fdfd4018e00] mb I  I16..4: 14.5% 54.1% 31.4%
  
  [libx264 @ 0x7fdfd4018e00] mb P  I16..4:  6.4%  9.6%  2.1%  P16..4: 33.3% 16.7%  5.9%  0.0%  0.0%    skip:26.0%
  
  [libx264 @ 0x7fdfd4018e00] mb B  I16..4:  1.6%  2.0%  0.3%  B16..8: 29.6%  9.3%  1.4%  direct: 2.2%  skip:53.6%  L0:41.9% L1:51.4% BI: 6.7%
  
  [libx264 @ 0x7fdfd4018e00] 8x8 transform intra:52.8% inter:73.8%
  
  [libx264 @ 0x7fdfd4018e00] coded y,uvDC,uvAC intra: 40.7% 41.7% 8.9% inter: 20.7% 16.6% 0.2%
  
  [libx264 @ 0x7fdfd4018e00] i16 v,h,dc,p: 22% 50%  8% 21%
  
  [libx264 @ 0x7fdfd4018e00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 18% 30% 23%  6%  2%  2%  5%  5%  9%
  
  [libx264 @ 0x7fdfd4018e00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 29% 29% 14%  5%  3%  4%  5%  6%  5%
  
  [libx264 @ 0x7fdfd4018e00] i8c dc,h,v,p: 62% 23% 12%  3%
  
  [libx264 @ 0x7fdfd4018e00] Weighted P-Frames: Y:1.5% UV:0.8%
  
  [libx264 @ 0x7fdfd4018e00] ref P L0: 56.1% 15.8% 17.7% 10.2%  0.1%
  
  [libx264 @ 0x7fdfd4018e00] ref B L0: 75.4% 20.8%  3.9%
  
  [libx264 @ 0x7fdfd4018e00] ref B L1: 92.6%  7.4%
  
  [libx264 @ 0x7fdfd4018e00] kb/s:150.22
  
  [libx264 @ 0x7fdfd4022600] frame I:2     Avg QP:23.86  size:  2208
  
  [libx264 @ 0x7fdfd4022600] frame P:139   Avg QP:24.90  size:   784
  
  [libx264 @ 0x7fdfd4022600] frame B:129   Avg QP:28.25  size:   322
  
  [libx264 @ 0x7fdfd4022600] consecutive B-frames: 17.8% 50.4% 15.6% 16.3%
  
  [libx264 @ 0x7fdfd4022600] mb I  I16..4: 15.7% 53.3% 31.1%
  
  [libx264 @ 0x7fdfd4022600] mb P  I16..4:  8.3%  9.9%  1.5%  P16..4: 33.8% 14.8%  5.0%  0.0%  0.0%    skip:26.7%
  
  [libx264 @ 0x7fdfd4022600] mb B  I16..4:  1.6%  1.8%  0.1%  B16..8: 28.8%  8.2%  1.1%  direct: 2.1%  skip:56.4%  L0:45.5% L1:47.6% BI: 6.9%
  
  [libx264 @ 0x7fdfd4022600] 8x8 transform intra:50.6% inter:75.8%
  
  [libx264 @ 0x7fdfd4022600] coded y,uvDC,uvAC intra: 34.0% 44.3% 10.0% inter: 18.8% 17.9% 0.4%
  
  [libx264 @ 0x7fdfd4022600] i16 v,h,dc,p: 18% 54%  8% 20%
  
  [libx264 @ 0x7fdfd4022600] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 28% 26%  6%  2%  2%  4%  5%  8%
  
  [libx264 @ 0x7fdfd4022600] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 32% 31% 14%  4%  2%  2%  3%  7%  5%
  
  [libx264 @ 0x7fdfd4022600] i8c dc,h,v,p: 60% 25% 13%  2%
  
  [libx264 @ 0x7fdfd4022600] Weighted P-Frames: Y:2.2% UV:0.7%
  
  [libx264 @ 0x7fdfd4022600] ref P L0: 57.9% 16.8% 16.1%  8.9%  0.2%
  
  [libx264 @ 0x7fdfd4022600] ref B L0: 76.5% 21.0%  2.5%
  
  [libx264 @ 0x7fdfd4022600] ref B L1: 95.0%  5.0%
  
  [libx264 @ 0x7fdfd4022600] kb/s:137.61

• FFMPEG : Muxing packet split into separate buffers

  12 avril 2018, par Embedded Android

  I’m using libavformat to write raw H265 frames from a hardware encoder to a .mov container.

  For some frames the hardware encoder outputs the frame split into multiple separate buffers. I’d like to write one frame using multiple av_write_frame() calls containing the split data buffers, but av_write_frame() and av_interleaved_write_frame() expect the DTS to increment on each call.

  Is there any way to use libavformat to make multiple av_write calls for a single packet ?

  The only solution (which isn’t very performant) appears to be to coalesce all the raw H265 bytes for a single frame into one pkt and making one av_write_frame() call.