Recherche avancée

Médias (5)

Mot : - Tags -/open film making

Autres articles (94)

  • Des sites réalisés avec MediaSPIP

    2 mai 2011, par

    Cette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
    Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page.

  • Personnaliser en ajoutant son logo, sa bannière ou son image de fond

    5 septembre 2013, par

    Certains thèmes prennent en compte trois éléments de personnalisation : l’ajout d’un logo ; l’ajout d’une bannière l’ajout d’une image de fond ;

  • Gestion des droits de création et d’édition des objets

    8 février 2011, par

    Par défaut, beaucoup de fonctionnalités sont limitées aux administrateurs mais restent configurables indépendamment pour modifier leur statut minimal d’utilisation notamment : la rédaction de contenus sur le site modifiables dans la gestion des templates de formulaires ; l’ajout de notes aux articles ; l’ajout de légendes et d’annotations sur les images ;

Sur d’autres sites (11153)

  • ffmpeg pipe webcam stream input to two outputs image and video with audio included

    23 septembre 2017, par Arianna Gomez Vargas

    I have the next command :

    sudo ffmpeg -ar 44100 -ac 2 -f alsa -i hw:1,0 -f v4l2 -codec:v h264       -codec:a aac -ab 128k -framerate 30 -video_size hd720 -itsoffset 0.5 -i /dev/video0 -vf fps=1 snapsh%d.png -f mpeg -b:v 5000k -copyinkf -codec:v copy -codec:a aac -ab 128k -g 10 - | sudo ffmpeg -y -i - out.mp4

    and the objetive it is record audio and video simultaneously, and pipe the output to be capable to take screnshots of the output video. I’m using a logitech webcam, raspberry pi 3, the last version of ffmpeg with h264 and alsa support.

    But it is not working for me :(, I think that the problem it is enconding the audio stream, but I can find a solution yet.
    Someone have any suggest ? Thanks

    This is the output

    ffmpeg version N-86204-g8794cfb Copyright (c) 2000-2017 the FFmpeg developers
    built with gcc 4.9.2 (Raspbian 4.9.2-10)
    configuration: --enable-nonfree --enable-gpl --enable-libx264 --enable-libfdk-aac
    libavutil 55. 63.100 / 55. 63.100
    libavcodec 57. 96.101 / 57. 96.101
    libavformat 57. 72.101 / 57. 72.101
    libavdevice 57. 7.100 / 57. 7.100
    libavfilter 6. 90.100 / 6. 90.100
    libswscale 4. 7.101 / 4. 7.101
    libswresample 2. 8.100 / 2. 8.100
    libpostproc 54. 6.100 / 54. 6.100
    Guessed Channel Layout for Input Stream #0.0 : stereo
    Input #0, alsa, from 'hw:1,0':
    Duration: N/A, start: 1506129856.832380, bitrate: 1024 kb/s
    Stream #0:0: Audio: pcm_s16le, 32000 Hz, stereo, s16, 1024 kb/s
    Input #1, video4linux2,v4l2, from '/dev/video0':
    Duration: N/A, start: 1821.745623, bitrate: N/A
    Stream #1:0: Video: h264 (Constrained Baseline), yuvj420p(pc, progressive), 1280x720 [SAR 1:1 DAR 16:9], 30 fps, 30 tbr, 1000k tbn, 60 tbc
    Stream mapping:
    Stream #1:0 -> #0:0 (h264 (native) -> png (native))
    Stream #1:0 -> #1:0 (copy)
    Stream #0:0 -> #1:1 (pcm_s16le (native) -> aac (native))
    Press [q] to stop, [?] for help
    [video4linux2,v4l2 @ 0x23a2710] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
    [swscaler @ 0x25d4f40] deprecated pixel format used, make sure you did set range correctly
    [swscaler @ 0x25d4f40] No accelerated colorspace conversion found from yuv420p to rgb24.
    Output #0, image2, to '/home/pi/proyecto-aula-master/Videos/snapsh%d.png':
    Metadata:
    encoder : Lavf57.72.101
    Stream #0:0: Video: png, rgb24, 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 1 fps, 1 tbn, 1 tbc
    Metadata:
    encoder : Lavc57.96.101 png
    [alsa @ 0x23904f0] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
    [mpeg @ 0x23a48d0] VBV buffer size not set, using default size of 130KB
    If you want the mpeg file to be compliant to some specification
    Like DVD, VCD or others, make sure you set the correct buffer size
    Output #1, mpeg, to 'pipe:':
    Metadata:
    encoder : Lavf57.72.101
    Stream #1:0: Video: h264 (Constrained Baseline), yuvj420p(pc, progressive), 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 5000 kb/s, 30 fps, 30 tbr, 90k tbn, 30 tbc
    Stream #1:1: Audio: aac (LC), 32000 Hz, stereo, fltp, 128 kb/s
    Metadata:
    encoder : Lavc57.96.101 aac
    [mpeg @ 0x23a48d0] Non-monotonous DTS in output stream 1:0; previous: 45000, current: 29998; changing to 45001. This may result in incorrect timestamps in the output file.
    [mpeg @ 0x23a48d0] Non-monotonous DTS in output stream 1:0; previous: 45001, current: 32879; changing to 45002. This may result in incorrect timestamps in the output file.
    [mpeg @ 0x23a48d0] Non-monotonous DTS in output stream 1:0; previous: 45002, current: 35759; changing to 45003. This may result in incorrect timestamps in the output file.
    [mpeg @ 0x23a48d0] Non-monotonous DTS in output stream 1:0; previous: 45003, current: 38999; changing to 45004. This may result in incorrect timestamps in the output file.
    [mpeg @ 0x23a48d0] Non-monotonous DTS in output stream 1:0; previous: 45004, current: 41880; changing to 45005. This may result in incorrect timestamps in the output file.
    [mpeg @ 0x23a48d0] Non-monotonous DTS in output stream 1:0; previous: 45005, current: 44759; changing to 45006. This may result in incorrect timestamps in the output file.
    frame= 0 fps=0.0 q=0.0 q=-1.0 size=N/A time=00:00:01.09 bitrate=N/A speed=2.0frame= 2 fps=1.8 q=0.0 q=-1.0 size=N/A time=00:00:01.76 bitrate=N/A dup=1 dro[alsa @ 0x23904f0] ALSA buffer xrun.
    frame= 3 fps=1.8 q=-0.0 q=-1.0 size=N/A time=00:00:02.19 bitrate=N/A dup=1 drframe= 3 fps=1.4 q=-0.0 q=-1.0 size=N/A time=00:00:02.86 bitrate=N/A dup=1 drframe= 4 fps=1.5 q=-0.0 q=-1.0 size=N/A time=00:00:03.36 bitrate=N/A dup=1 drframe= 4 fps=1.3 q=-0.0 q=-1.0 size=N/A time=00:00:03.86 bitrate=N/A dup=1 drframe= 5 fps=1.4 q=-0.0 q=-1.0 size=N/A time=00:00:04.36 bitrate=N/A dup=1 drframe= 5 fps=1.2 q=-0.0 q=-1.0 size=N/A time=00:00:04.86 bitrate=N/A dup=1 dr[alsa @ 0x23904f0] ALSA buffer xrun.
    [mp2 @ 0x262b660] Header missing
    frame= 6 fps=1.2 q=-0.0 q=-1.0 size=N/A time=00:00:05.38 bitrate=N/A dup=1 drframe= 7 fps=1.3 q=-0.0 q=-1.0 size=N/A time=00:00:06.16 bitrate=N/A dup=1 drframe= 7 fps=1.2 q=-0.0 q=-1.0 size=N/A time=00:00:06.79 bitrate=N/A dup=1 drframe= 8 fps=1.2 q=-0.0 q=-1.0 size=N/A time=00:00:07.29 bitrate=N/A dup=1 drframe= 8 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:07.79 bitrate=N/A dup=1 dr[alsa @ 0x23904f0] ALSA buffer xrun.
    frame= 9 fps=1.2 q=-0.0 q=-1.0 size=N/A time=00:00:08.16 bitrate=N/A dup=1 dr[mpeg @ 0x262a1c0] DTS discontinuity in stream 1: packet 6 with DTS 92886, packet 7 with DTS 95880
    frame= 9 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:08.38 bitrate=N/A dup=1 drframe= 10 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:09.19 bitrate=N/A dup=1 drframe= 10 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:09.96 bitrate=N/A dup=1 drframe= 11 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:10.39 bitrate=N/A dup=1 drframe= 11 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:10.96 bitrate=N/A dup=1 dr[alsa @ 0x23904f0] ALSA buffer xrun.
    frame= 12 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:11.40 bitrate=N/A dup=1 drframe= 12 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:12.06 bitrate=N/A dup=1 drframe= 13 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:12.56 bitrate=N/A dup=1 drframe= 13 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:13.06 bitrate=N/A dup=1 drframe= 14 fps=1.1 q=-0.0 q=-1.0 size=N/A time=00:00:13.56 bitrate=N/A dup=1 drframe= 14 fps=1.0 q=-0.0 q=-1.0 size=N/A time=00:00:14.06 bitrate=N/A dup=1 dr[alsa @ 0x23904f0] ALSA buffer xrun.
    [mpeg @ 0x262a1c0] decoding for stream 0 failed
    [mpeg @ 0x262a1c0] Could not find codec parameters for stream 0 (Audio: mp2, 0 channels, s16p): unspecified frame size
    Consider increasing the value for the 'analyzeduration' and 'probesize' options
    Input #0, mpeg, from 'pipe:':
    Duration: N/A, start: 0.500000, bitrate: N/A
    Stream #0:0[0x1c0]: Audio: mp2, 0 channels, s16p
    Stream #0:1[0x1e2]: Video: h264 (Constrained Baseline), yuvj420p(pc, progressive), 1280x720 [SAR 1:1 DAR 16:9], 30 fps, 30 tbr, 90k tbn, 60 tbc
    Stream mapping:
    Stream #0:1 -> #0:0 (h264 (native) -> h264 (libx264))
    Stream #0:0 -> #0:1 (mp2 (native) -> aac (native))
    [mp2 @ 0x262cde0] Header missing
    Error while decoding stream #0:0: Invalid data found when processing input
    No pixel format specified, yuvj420p for H.264 encoding chosen.
    Use -pix_fmt yuv420p for compatibility with outdated media players.
    [libx264 @ 0x26417d0] using SAR=1/1
    [libx264 @ 0x26417d0] using cpu capabilities: ARMv6 NEON
    [libx264 @ 0x26417d0] profile High, level 3.1
    [libx264 @ 0x26417d0] 264 - core 150 r2833 df79067 - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - 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
    frame= 19 fps=0.0 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 36 fps= 34 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 47 fps=9.5 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 52 fps=9.2 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 56 fps=9.0 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 60 fps=8.8 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 64 fps=8.6 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 69 fps=7.2 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 71 fps=7.0 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 73 fps=6.9 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 76 fps=6.2 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 80 fps=6.3 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 82 fps=5.8 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 85 fps=5.8 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 87 fps=5.7 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 89 fps=5.4 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 90 fps=5.3 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 93 fps=5.3 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 95 fps=5.2 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 97 fps=5.0 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 99 fps=5.0 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 102 fps=5.0 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 103 fps=4.9 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 105 fps=4.7 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 108 fps=4.7 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 110 fps=4.7 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 112 fps=4.6 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 114 fps=4.5 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 117 fps=4.5 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 120 fps=4.5 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 122 fps=4.4 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 123 fps=4.4 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 126 fps=4.3 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 128 fps=4.3 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 130 fps=4.2 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 132 fps=4.2 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 135 fps=4.2 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbframe= 138 fps=4.2 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbToo many packets buffered for output stream 0:0.
    [libx264 @ 0x26417d0] frame I:1 Avg QP:16.64 size: 29761
    [libx264 @ 0x26417d0] frame P:36 Avg QP:21.71 size: 9196
    [libx264 @ 0x26417d0] frame B:92 Avg QP:24.13 size: 4641
    [libx264 @ 0x26417d0] consecutive B-frames: 0.8% 0.0% 32.1% 67.2%
    [libx264 @ 0x26417d0] mb I I16..4: 24.3% 49.7% 25.9%
    [libx264 @ 0x26417d0] mb P I16..4: 11.2% 10.0% 0.2% P16..4: 41.0% 6.2% 3.7% 0.0% 0.0% skip:27.7%
    [libx264 @ 0x26417d0] mb B I16..4: 5.0% 5.5% 0.0% B16..8: 40.1% 3.0% 0.2% direct: 1.6% skip:44.6% L0:59.9% L1:38.4% BI: 1.7%
    [libx264 @ 0x26417d0] 8x8 transform intra:49.7% inter:79.4%
    [libx264 @ 0x26417d0] coded y,uvDC,uvAC intra: 10.0% 13.9% 0.3% inter: 8.6% 11.3% 0.0%
    [libx264 @ 0x26417d0] i16 v,h,dc,p: 43% 24% 16% 16%
    [libx264 @ 0x26417d0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 42% 18% 36% 1% 0% 0% 1% 0% 1%
    [libx264 @ 0x26417d0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 50% 19% 16% 3% 2% 2% 3% 3% 3%
    [libx264 @ 0x26417d0] i8c dc,h,v,p: 70% 14% 16% 0%
    [libx264 @ 0x26417d0] Weighted P-Frames: Y:2.8% UV:0.0%
    [libx264 @ 0x26417d0] ref P L0: 39.8% 7.3% 42.5% 10.4% 0.0%
    [libx264 @ 0x26417d0] ref B L0: 44.7% 41.0% 14.2%
    [libx264 @ 0x26417d0] ref B L1: 70.0% 30.0%
    [libx264 @ 0x26417d0] kb/s:1465.58
    Exiting normally, received signal 2.
  • Rematrix is needed between 10 channels and mono but there is not enough information to do it

    8 octobre 2017, par siriele

    I’ve been fighting for a number of days now trying to get FFmpeg working with combining several audio files at specific times into one file. So my idea was to generate silence up to the time i want to play a sound.Then merge the audio together with a filter. The below code works when I have five or less files, but seems to fall apart. What I’m trying

    ffmpeg \
       -i "tutorial_bass/C-maj/TutorialBassJR.wav" \
       -i "tutorial_drums/TutorialDrumsJR.wav" \
       -i "tutorial_drums/TutorialDrumsTU.wav" \
       -i "tutorial_bass/C-maj/TutorialBassTU.wav" \
       -i "tutorial_drums/TutorialDrumsTU.wav" \
       -i "tutorial_drums/TutorialDrumsTD.wav" \
       -i "tutorial_bass/C-maj/TutorialBassTD.wav" \
       -i "tutorial_drums/TutorialDrumsTD.wav" \
       -i "tutorial_drums/TutorialDrumsTR.wav" \
       -i "tutorial_bass/C-maj/TutorialBassTR.wav" \
       -i "tutorial_drums/TutorialDrumsTR.wav" \
       -i "tutorial_drums/TutorialDrumsWL.wav" \
       -i "tutorial_bass/C-maj/TutorialBassWL.wav" \
       -i "tutorial_drums/TutorialDrumsWL.wav" \
       -i "tutorial_drums/TutorialDrumsWU.wav" \
       -i "tutorial_bass/C-maj/TutorialBassWU.wav" \
       -i "tutorial_drums/TutorialDrumsWU.wav" \
       -i "tutorial_drums/TutorialDrumsWD.wav" \
       -i "tutorial_bass/C-maj/TutorialBassWD.wav" \
       -i "tutorial_drums/TutorialDrumsWD.wav" \
       -i "tutorial_drums/TutorialDrumsJL.wav" \
       -i "tutorial_bass/C-maj/TutorialBassJL.wav" \
       -i "tutorial_drums/TutorialDrumsJL.wav" \
       -i "tutorial_drums/TutorialDrumsJR.wav" \
       -i "tutorial_bass/C-maj/TutorialBassJR.wav" \
       -i "tutorial_drums/TutorialDrumsJR.wav" \
       -i "tutorial_drums/TutorialDrumsJU.wav" \
       -i "tutorial_bass/C-maj/TutorialBassJU.wav" \
       -i "tutorial_drums/TutorialDrumsJU.wav" \
       -i "tutorial_drums/TutorialDrumsJD.wav" \
       -i "tutorial_bass/C-maj/TutorialBassJD.wav" \
       -i "tutorial_drums/TutorialDrumsJD.wav" \
       -i "tutorial_drums/TutorialDrumsTL.wav" \
       -i "tutorial_bass/C-maj/TutorialBassTL.wav" \
       -i "tutorial_drums/TutorialDrumsTL.wav" \
       -i "tutorial_drums/TutorialDrumsTR.wav" \
       -i "tutorial_bass/C-maj/TutorialBassTR.wav" \
       -i "tutorial_drums/TutorialDrumsTR.wav" \
       -i "tutorial_drums/TutorialDrumsTU.wav" \
       -i "tutorial_bass/C-maj/TutorialBassTU.wav" \
       -i "tutorial_drums/TutorialDrumsTU.wav" \
       -i "tutorial_drums/TutorialDrumsTD.wav" \
       -i "tutorial_bass/C-maj/TutorialBassTD.wav" \
       -i "tutorial_drums/TutorialDrumsTD.wav" \
       -filter_complex "\
       aevalsrc=0:d=3.0  [d0];\
       aevalsrc=0:d=3.0  [d1];\
       aevalsrc=0:d=4.5  [d2];\
       aevalsrc=0:d=4.5  [d3];\
       aevalsrc=0:d=4.5  [d4];\
       aevalsrc=0:d=6.0  [d5];\
       aevalsrc=0:d=6.0  [d6];\
       aevalsrc=0:d=6.0  [d7];\
       aevalsrc=0:d=7.5  [d8];\
       aevalsrc=0:d=7.5  [d9];\
       aevalsrc=0:d=7.5  [d10];\
       aevalsrc=0:d=9.0  [d11];\
       aevalsrc=0:d=9.0  [d12];\
       aevalsrc=0:d=9.0  [d13];\
       aevalsrc=0:d=10.5 [d14];\
       aevalsrc=0:d=10.5 [d15];\
       aevalsrc=0:d=10.5 [d16];\
       aevalsrc=0:d=12.0 [d17];\
       aevalsrc=0:d=12.0 [d18];\
       aevalsrc=0:d=12.0 [d19];\
       aevalsrc=0:d=13.5 [d20];\
       aevalsrc=0:d=13.5 [d21];\
       aevalsrc=0:d=13.5 [d22];\
       aevalsrc=0:d=15.0 [d23];\
       aevalsrc=0:d=15.0 [d24];\
       aevalsrc=0:d=15.0 [d25];\
       aevalsrc=0:d=16.5 [d26];\
       aevalsrc=0:d=16.5 [d27];\
       aevalsrc=0:d=16.5 [d28];\
       aevalsrc=0:d=18.0 [d29];\
       aevalsrc=0:d=18.0 [d30];\
       aevalsrc=0:d=18.0 [d31];\
       aevalsrc=0:d=19.5 [d32];\
       aevalsrc=0:d=19.5 [d33];\
       aevalsrc=0:d=19.5 [d34];\
       aevalsrc=0:d=21.0 [d35];\
       aevalsrc=0:d=21.0 [d36];\
       aevalsrc=0:d=21.0 [d37];\
       aevalsrc=0:d=22.5 [d38];\
       aevalsrc=0:d=22.5 [d39];\
       aevalsrc=0:d=22.5 [d40];\
       aevalsrc=0:d=24.0 [d41];\
       aevalsrc=0:d=24.0 [d42];\
       aevalsrc=0:d=24.0 [d43];\
       [d0][0:a]concat=n=2:v=0:a=1   [a0];\
       [d1][1:a]concat=n=2:v=0:a=1   [a1];\
       [d2][2:a]concat=n=2:v=0:a=1   [a2];\
       [d3][3:a]concat=n=2:v=0:a=1   [a3];\
       [d4][4:a]concat=n=2:v=0:a=1   [a4];\
       [d5][5:a]concat=n=2:v=0:a=1   [a5];\
       [d6][6:a]concat=n=2:v=0:a=1   [a6];\
       [d7][7:a]concat=n=2:v=0:a=1   [a7];\
       [d8][8:a]concat=n=2:v=0:a=1   [a8];\
       [d9][9:a]concat=n=2:v=0:a=1   [a9];\
       [d10][10:a]concat=n=2:v=0:a=1 [a10];\
       [d11][11:a]concat=n=2:v=0:a=1 [a11];\
       [d12][12:a]concat=n=2:v=0:a=1 [a12];\
       [d13][13:a]concat=n=2:v=0:a=1 [a13];\
       [d14][14:a]concat=n=2:v=0:a=1 [a14];\
       [d15][15:a]concat=n=2:v=0:a=1 [a15];\
       [d16][16:a]concat=n=2:v=0:a=1 [a16];\
       [d17][17:a]concat=n=2:v=0:a=1 [a17];\
       [d18][18:a]concat=n=2:v=0:a=1 [a18];\
       [d19][19:a]concat=n=2:v=0:a=1 [a19];\
       [d20][20:a]concat=n=2:v=0:a=1 [a20];\
       [d21][21:a]concat=n=2:v=0:a=1 [a21];\
       [d22][22:a]concat=n=2:v=0:a=1 [a22];\
       [d23][23:a]concat=n=2:v=0:a=1 [a23];\
       [d24][24:a]concat=n=2:v=0:a=1 [a24];\
       [d25][25:a]concat=n=2:v=0:a=1 [a25];\
       [d26][26:a]concat=n=2:v=0:a=1 [a26];\
       [d27][27:a]concat=n=2:v=0:a=1 [a27];\
       [d28][28:a]concat=n=2:v=0:a=1 [a28];\
       [d29][29:a]concat=n=2:v=0:a=1 [a29];\
       [d30][30:a]concat=n=2:v=0:a=1 [a30];\
       [d31][31:a]concat=n=2:v=0:a=1 [a31];\
       [d32][32:a]concat=n=2:v=0:a=1 [a32];\
       [d33][33:a]concat=n=2:v=0:a=1 [a33];\
       [d34][34:a]concat=n=2:v=0:a=1 [a34];\
       [d35][35:a]concat=n=2:v=0:a=1 [a35];\
       [d36][36:a]concat=n=2:v=0:a=1 [a36];\
       [d37][37:a]concat=n=2:v=0:a=1 [a37];\
       [d38][38:a]concat=n=2:v=0:a=1 [a38];\
       [d39][39:a]concat=n=2:v=0:a=1 [a39];\
       [d40][40:a]concat=n=2:v=0:a=1 [a40];\
       [d41][41:a]concat=n=2:v=0:a=1 [a41];\
       [d42][42:a]concat=n=2:v=0:a=1 [a42];\
       [d43][43:a]concat=n=2:v=0:a=1 [a43];\
       [a0][a1][a2][a3][a4][a5][a6][a7][a8][a9][a10][a11][a12][a13][a14][a15][a16][a17][a18][a19]amix=inputs=20:duration=longest [a0-a19];\
       [a20][a21][a22][a23][a24][a25][a26][a27][a28][a29][a30][a31][a32][a33][a34][a35][a36][a37][a38][a39]amix=inputs=20:duration=longest [a20-a39];\
       [a40][a41][a42][a43]amix=inputs=4:duration=longest [a40-a43];
       [a0-a19][a20-a39][a40-a43]amix=inputs=3:duration=longest"  -codec:a libmp3lame output.mp3

    When I run this command I get :

    ffmpeg version 3.3.4 Copyright (c) 2000-2017 the FFmpeg developers
     built with Apple LLVM version 8.1.0 (clang-802.0.42)
     configuration: --prefix=/usr/local/Cellar/ffmpeg/3.3.4 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-frei0r --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-opencl --enable-videotoolbox --disable-lzma --enable-libopenjpeg --disable-decoder=jpeg2000 --extra-cflags=-I/usr/local/Cellar/openjpeg/2.2.0/include/openjpeg-2.2 --enable-nonfree --enable-vda
     libavutil      55. 58.100 / 55. 58.100
     libavcodec     57. 89.100 / 57. 89.100
     libavformat    57. 71.100 / 57. 71.100
     libavdevice    57.  6.100 / 57.  6.100
     libavfilter     6. 82.100 /  6. 82.100
     libavresample   3.  5.  0 /  3.  5.  0
     libswscale      4.  6.100 /  4.  6.100
     libswresample   2.  7.100 /  2.  7.100
     libpostproc    54.  5.100 / 54.  5.100
    Guessed Channel Layout for Input Stream #0.0 : stereo
    Input #0, wav, from 'tutorial_bass/C-maj/TutorialBassJR.wav':
     Duration: 00:00:01.50, bitrate: 2822 kb/s
       Stream #0:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #1.0 : stereo
    Input #1, wav, from 'tutorial_drums/TutorialDrumsJR.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #1:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #2.0 : stereo
    Input #2, wav, from 'tutorial_drums/TutorialDrumsTU.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #2:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #3.0 : stereo
    Input #3, wav, from 'tutorial_bass/C-maj/TutorialBassTU.wav':
     Duration: 00:00:01.50, bitrate: 2822 kb/s
       Stream #3:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #4.0 : stereo
    Input #4, wav, from 'tutorial_drums/TutorialDrumsTU.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #4:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Input #5, wav, from 'tutorial_drums/TutorialDrumsTD.wav':
     Duration: 00:00:04.50, bitrate: 14112 kb/s
       Stream #5:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, 10 channels, flt, 14112 kb/s
    Guessed Channel Layout for Input Stream #6.0 : stereo
    Input #6, wav, from 'tutorial_bass/C-maj/TutorialBassTD.wav':
     Duration: 00:00:01.50, bitrate: 2822 kb/s
       Stream #6:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Input #7, wav, from 'tutorial_drums/TutorialDrumsTD.wav':
     Duration: 00:00:04.50, bitrate: 14112 kb/s
       Stream #7:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, 10 channels, flt, 14112 kb/s
    Guessed Channel Layout for Input Stream #8.0 : stereo
    Input #8, wav, from 'tutorial_drums/TutorialDrumsTR.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #8:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #9.0 : stereo
    Input #9, wav, from 'tutorial_bass/C-maj/TutorialBassTR.wav':
     Duration: 00:00:01.50, bitrate: 2822 kb/s
       Stream #9:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #10.0 : stereo
    Input #10, wav, from 'tutorial_drums/TutorialDrumsTR.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #10:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #11.0 : stereo
    Input #11, wav, from 'tutorial_drums/TutorialDrumsWL.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #11:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #12.0 : stereo
    Input #12, wav, from 'tutorial_bass/C-maj/TutorialBassWL.wav':
     Duration: 00:00:01.50, bitrate: 2822 kb/s
       Stream #12:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #13.0 : stereo
    Input #13, wav, from 'tutorial_drums/TutorialDrumsWL.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #13:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #14.0 : stereo
    Input #14, wav, from 'tutorial_drums/TutorialDrumsWU.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #14:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #15.0 : stereo
    Input #15, wav, from 'tutorial_bass/C-maj/TutorialBassWU.wav':
     Duration: 00:00:01.50, bitrate: 2822 kb/s
       Stream #15:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #16.0 : stereo
    Input #16, wav, from 'tutorial_drums/TutorialDrumsWU.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #16:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #17.0 : stereo
    Input #17, wav, from 'tutorial_drums/TutorialDrumsWD.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #17:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #18.0 : stereo
    Input #18, wav, from 'tutorial_bass/C-maj/TutorialBassWD.wav':
     Duration: 00:00:01.50, bitrate: 2822 kb/s
       Stream #18:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #19.0 : stereo
    Input #19, wav, from 'tutorial_drums/TutorialDrumsWD.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #19:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #20.0 : stereo
    Input #20, wav, from 'tutorial_drums/TutorialDrumsJL.wav':
     Duration: 00:00:00.75, bitrate: 33869 kb/s
       Stream #20:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #21.0 : stereo
    Input #21, wav, from 'tutorial_bass/C-maj/TutorialBassJL.wav':
     Duration: 00:00:01.51, bitrate: 2822 kb/s
       Stream #21:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #22.0 : stereo
    Input #22, wav, from 'tutorial_drums/TutorialDrumsJL.wav':
     Duration: 00:00:00.75, bitrate: 33869 kb/s
       Stream #22:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #23.0 : stereo
    Input #23, wav, from 'tutorial_drums/TutorialDrumsJR.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #23:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #24.0 : stereo
    Input #24, wav, from 'tutorial_bass/C-maj/TutorialBassJR.wav':
     Duration: 00:00:01.50, bitrate: 2822 kb/s
       Stream #24:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #25.0 : stereo
    Input #25, wav, from 'tutorial_drums/TutorialDrumsJR.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #25:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #26.0 : stereo
    Input #26, wav, from 'tutorial_drums/TutorialDrumsJU.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #26:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #27.0 : stereo
    Input #27, wav, from 'tutorial_bass/C-maj/TutorialBassJU.wav':
     Duration: 00:00:01.50, bitrate: 2822 kb/s
       Stream #27:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #28.0 : stereo
    Input #28, wav, from 'tutorial_drums/TutorialDrumsJU.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #28:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #29.0 : stereo
    Input #29, wav, from 'tutorial_drums/TutorialDrumsJD.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #29:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #30.0 : stereo
    Input #30, wav, from 'tutorial_bass/C-maj/TutorialBassJD.wav':
     Duration: 00:00:01.50, bitrate: 2822 kb/s
       Stream #30:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #31.0 : stereo
    Input #31, wav, from 'tutorial_drums/TutorialDrumsJD.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #31:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #32.0 : stereo
    Input #32, wav, from 'tutorial_drums/TutorialDrumsTL.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #32:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #33.0 : stereo
    Input #33, wav, from 'tutorial_bass/C-maj/TutorialBassTL.wav':
     Duration: 00:00:01.50, bitrate: 2822 kb/s
       Stream #33:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #34.0 : stereo
    Input #34, wav, from 'tutorial_drums/TutorialDrumsTL.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #34:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #35.0 : stereo
    Input #35, wav, from 'tutorial_drums/TutorialDrumsTR.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #35:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #36.0 : stereo
    Input #36, wav, from 'tutorial_bass/C-maj/TutorialBassTR.wav':
     Duration: 00:00:01.50, bitrate: 2822 kb/s
       Stream #36:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #37.0 : stereo
    Input #37, wav, from 'tutorial_drums/TutorialDrumsTR.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #37:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #38.0 : stereo
    Input #38, wav, from 'tutorial_drums/TutorialDrumsTU.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #38:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #39.0 : stereo
    Input #39, wav, from 'tutorial_bass/C-maj/TutorialBassTU.wav':
     Duration: 00:00:01.50, bitrate: 2822 kb/s
       Stream #39:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Guessed Channel Layout for Input Stream #40.0 : stereo
    Input #40, wav, from 'tutorial_drums/TutorialDrumsTU.wav':
     Duration: 00:00:00.75, bitrate: 2822 kb/s
       Stream #40:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Input #41, wav, from 'tutorial_drums/TutorialDrumsTD.wav':
     Duration: 00:00:04.50, bitrate: 14112 kb/s
       Stream #41:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, 10 channels, flt, 14112 kb/s
    Guessed Channel Layout for Input Stream #42.0 : stereo
    Input #42, wav, from 'tutorial_bass/C-maj/TutorialBassTD.wav':
     Duration: 00:00:01.50, bitrate: 2822 kb/s
       Stream #42:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    Input #43, wav, from 'tutorial_drums/TutorialDrumsTD.wav':
     Duration: 00:00:04.50, bitrate: 14112 kb/s
       Stream #43:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, 10 channels, flt, 14112 kb/s
    File 'output.mp3' already exists. Overwrite ? [y/N] y
    Stream mapping:
     Stream #0:0 (pcm_f32le) -> concat:in1:a0
     Stream #1:0 (pcm_f32le) -> concat:in1:a0
     Stream #2:0 (pcm_f32le) -> concat:in1:a0
     Stream #3:0 (pcm_f32le) -> concat:in1:a0
     Stream #4:0 (pcm_f32le) -> concat:in1:a0
     Stream #5:0 (pcm_f32le) -> concat:in1:a0
     Stream #6:0 (pcm_f32le) -> concat:in1:a0
     Stream #7:0 (pcm_f32le) -> concat:in1:a0
     Stream #8:0 (pcm_f32le) -> concat:in1:a0
     Stream #9:0 (pcm_f32le) -> concat:in1:a0
     Stream #10:0 (pcm_f32le) -> concat:in1:a0
     Stream #11:0 (pcm_f32le) -> concat:in1:a0
     Stream #12:0 (pcm_f32le) -> concat:in1:a0
     Stream #13:0 (pcm_f32le) -> concat:in1:a0
     Stream #14:0 (pcm_f32le) -> concat:in1:a0
     Stream #15:0 (pcm_f32le) -> concat:in1:a0
     Stream #16:0 (pcm_f32le) -> concat:in1:a0
     Stream #17:0 (pcm_f32le) -> concat:in1:a0
     Stream #18:0 (pcm_f32le) -> concat:in1:a0
     Stream #19:0 (pcm_f32le) -> concat:in1:a0
     Stream #20:0 (pcm_f32le) -> concat:in1:a0
     Stream #21:0 (pcm_f32le) -> concat:in1:a0
     Stream #22:0 (pcm_f32le) -> concat:in1:a0
     Stream #23:0 (pcm_f32le) -> concat:in1:a0
     Stream #24:0 (pcm_f32le) -> concat:in1:a0
     Stream #25:0 (pcm_f32le) -> concat:in1:a0
     Stream #26:0 (pcm_f32le) -> concat:in1:a0
     Stream #27:0 (pcm_f32le) -> concat:in1:a0
     Stream #28:0 (pcm_f32le) -> concat:in1:a0
     Stream #29:0 (pcm_f32le) -> concat:in1:a0
     Stream #30:0 (pcm_f32le) -> concat:in1:a0
     Stream #31:0 (pcm_f32le) -> concat:in1:a0
     Stream #32:0 (pcm_f32le) -> concat:in1:a0
     Stream #33:0 (pcm_f32le) -> concat:in1:a0
     Stream #34:0 (pcm_f32le) -> concat:in1:a0
     Stream #35:0 (pcm_f32le) -> concat:in1:a0
     Stream #36:0 (pcm_f32le) -> concat:in1:a0
     Stream #37:0 (pcm_f32le) -> concat:in1:a0
     Stream #38:0 (pcm_f32le) -> concat:in1:a0
     Stream #39:0 (pcm_f32le) -> concat:in1:a0
     Stream #40:0 (pcm_f32le) -> concat:in1:a0
     Stream #41:0 (pcm_f32le) -> concat:in1:a0
     Stream #42:0 (pcm_f32le) -> concat:in1:a0
     Stream #43:0 (pcm_f32le) -> concat:in1:a0
     amix -> Stream #0:0 (libmp3lame)
    Press [q] to stop, [?] for help
    [auto_resampler_5 @ 0x7fdc19641e00] [SWR @ 0x7fdc1c286e00] Rematrix is needed between 10 channels and mono but there is not enough information to do it
    [auto_resampler_5 @ 0x7fdc19641e00] Failed to configure output pad on auto_resampler_5
    Error reinitializing filters!
    Failed to inject frame into filter network: Invalid argument
    Error while processing the decoded data for stream #43:0
    Conversion failed!

    Any ideas what I’m doing wrong or other approaches I could take to do this ?

  • 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