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Autres articles (44)

  • Demande de création d’un canal

    12 mars 2010, par

    En fonction de la configuration de la plateforme, l’utilisateur peu avoir à sa disposition deux méthodes différentes de demande de création de canal. La première est au moment de son inscription, la seconde, après son inscription en remplissant un formulaire de demande.
    Les deux manières demandent les mêmes choses fonctionnent à peu près de la même manière, le futur utilisateur doit remplir une série de champ de formulaire permettant tout d’abord aux administrateurs d’avoir des informations quant à (...)

  • De l’upload à la vidéo finale [version standalone]

    31 janvier 2010, par

    Le chemin d’un document audio ou vidéo dans SPIPMotion est divisé en trois étapes distinctes.
    Upload et récupération d’informations de la vidéo source
    Dans un premier temps, il est nécessaire de créer un article SPIP et de lui joindre le document vidéo "source".
    Au moment où ce document est joint à l’article, deux actions supplémentaires au comportement normal sont exécutées : La récupération des informations techniques des flux audio et video du fichier ; La génération d’une vignette : extraction d’une (...)

  • Librairies et binaires spécifiques au traitement vidéo et sonore

    31 janvier 2010, par

    Les logiciels et librairies suivantes sont utilisées par SPIPmotion d’une manière ou d’une autre.
    Binaires obligatoires FFMpeg : encodeur principal, permet de transcoder presque tous les types de fichiers vidéo et sonores dans les formats lisibles sur Internet. CF ce tutoriel pour son installation ; Oggz-tools : outils d’inspection de fichiers ogg ; Mediainfo : récupération d’informations depuis la plupart des formats vidéos et sonores ;
    Binaires complémentaires et facultatifs flvtool2 : (...)

Sur d’autres sites (5620)

  • how to explain this C language code from ffmpeg remuxing

    20 avril 2017, par Fidona

    can someone help me what the meaning of this code ? this is a code from ffmpeg remuxing code.

    static void log_packet(const AVFormatContext *fmt_ctx, const AVPacket *pkt, const char *tag, int hours, int mins, int secs, int us, int *time )
    
{
    
    AVRational *time_base = &fmt_ctx->streams[pkt->stream_index]->time_base;
    
    total = total + pkt->duration;
    
  //  printf( "%d:%d:%d.%d \n", hours,  mins,  secs, us );
    
    *time = av_q2d(*time_base) * pkt->pts ;
    
}

    I’m kind of new to C language. thank you !

  • Streaming RTP packets using SDP to ffmpeg

    4 avril 2017, par Johnathan Kanarek

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

    SDP :

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

    Command :

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

    Same with RTMP

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

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

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

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

    What is wrong with my SDP ?

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

    I also tried to use RTSP server, see log :

    ffmpeg version 3.2 Copyright (c) 2000-2016 the FFmpeg developers
    
  built with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-11)
    
  configuration: --prefix=/opt/kaltura/ffmpeg-3.2 --libdir=/opt/kaltura/ffmpeg-3.2/lib --shlibdir=/opt/kaltura/ffmpeg-3.2/lib --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC' --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC -I/opt/kaltura/include' --extra-ldflags=-L/opt/kaltura/lib --disable-devices --enable-bzlib --enable-libgsm --enable-libmp3lame --enable-libschroedinger --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libx265 --enable-avisynth --enable-libxvid --enable-filter=movie --enable-avfilter --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libvpx --enable-libspeex --enable-libass --enable-postproc --enable-pthreads --enable-static --enable-shared --enable-gpl --disable-debug --disable-optimizations --enable-gpl --enable-pthreads --enable-swscale --enable-vdpau --enable-bzlib --disable-devices --enable-filter=movie --enable-version3 --enable-indev=lavfi --enable-x11grab
    
  libavutil      55. 34.100 / 55. 34.100
    
  libavcodec     57. 64.100 / 57. 64.100
    
  libavformat    57. 56.100 / 57. 56.100
    
  libavdevice    57.  1.100 / 57.  1.100
    
  libavfilter     6. 65.100 /  6. 65.100
    
  libswscale      4.  2.100 /  4.  2.100
    
  libswresample   2.  3.100 /  2.  3.100
    
  libpostproc    54.  1.100 / 54.  1.100
    
Splitting the commandline.
    
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
    
Reading option '-max_delay' ... matched as AVOption 'max_delay' with argument '500000'.
    
Reading option '-reorder_queue_size' ... matched as AVOption 'reorder_queue_size' with argument '16384'.
    
Reading option '-analyzeduration' ... matched as AVOption 'analyzeduration' with argument '2147483647'.
    
Reading option '-probesize' ... matched as AVOption 'probesize' with argument '2147483647'.
    
Reading option '-protocol_whitelist' ... matched as AVOption 'protocol_whitelist' with argument 'file,crypto,tcp,udp,rtp'.
    
Reading option '-re' ... matched as option 're' (read input at native frame rate) with argument '1'.
    
Reading option '-i' ... matched as input file with argument 'rtsp://192.168.193.182:5000/IcL8tHJdU9oWEK3rAAAA.sdp'.
    
Reading option '-vcodec' ... matched as option 'vcodec' (force video codec ('copy' to copy stream)) with argument 'h264'.
    
Reading option '-acodec' ... matched as option 'acodec' (force audio codec ('copy' to copy stream)) with argument 'aac'.
    
Reading option '-max_interleave_delta' ... matched as AVOption 'max_interleave_delta' with argument '30000000'.
    
Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
    
Reading option '/opt/mediasoup_sample/recordings/IcL8tHJdU9oWEK3rAAAA.mp4' ... matched as output file.
    
Finished splitting the commandline.
    
Parsing a group of options: global .
    
Applying option loglevel (set logging level) with argument debug.
    
Applying option y (overwrite output files) with argument 1.
    
Successfully parsed a group of options.
    
Parsing a group of options: input file rtsp://192.168.193.182:5000/IcL8tHJdU9oWEK3rAAAA.sdp.
    
Applying option re (read input at native frame rate) with argument 1.
    
Successfully parsed a group of options.
    
Opening an input file: rtsp://192.168.193.182:5000/IcL8tHJdU9oWEK3rAAAA.sdp.
    
[rtsp @ 0x19b4fa0] SDP:
    
v=0
    
o=mediasoup IcL8tHJdU9oWEK3rAAAA 0 IN IP4 192.168.193.182
    
s=IcL8tHJdU9oWEK3rAAAA
    
c=IN IP4 192.168.193.182
    
t=0 0
    
a=group:LS audio video
    
m=audio 0 RTP/SAVPF 111
    
a=rtpmap:111 opus/48000
    
a=fmtp:111 minptime=10;useinbandfec=1
    
a=control:streamid=0
    
a=rtcp-fb:111 transport-cc 
    
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
    
a=mid:audio
    
a=sendrecv
    
a=rtcp-mux
    
m=video 0 RTP/SAVPF 107
    
a=rtpmap:107 H264/90000
    
a=fmtp:107 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
    
a=control:streamid=1
    
a=rtcp-fb:107 ccm fir
    
a=rtcp-fb:107 nack 
    
a=rtcp-fb:107 nack pli
    
a=rtcp-fb:107 goog-remb 
    
a=rtcp-fb:107 transport-cc 
    
a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
    
a=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
    
a=extmap:4 urn:3gpp:video-orientation
    
a=extmap:5 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
    
a=extmap:6 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay
    
a=mid:video
    
a=sendrecv
    
a=rtcp-mux
    

    
[rtsp @ 0x19b4fa0] audio codec set to: opus
    
[rtsp @ 0x19b4fa0] audio samplerate set to: 48000
    
[rtsp @ 0x19b4fa0] audio channels set to: 1
    
[rtsp @ 0x19b4fa0] video codec set to: h264
    
[rtsp @ 0x19b4fa0] RTP Packetization Mode: 1
    
[rtsp @ 0x19b4fa0] RTP Profile IDC: 42 Profile IOP: e0 Level: 1f
    
[udp @ 0x19b5d60] end receive buffer size reported is 131072
    
[udp @ 0x19ba020] end receive buffer size reported is 131072
    
[rtsp @ 0x19b4fa0] setting jitter buffer size to 16384
    
[udp @ 0x19b7a00] end receive buffer size reported is 131072
    
[udp @ 0x19daca0] end receive buffer size reported is 131072
    
[rtsp @ 0x19b4fa0] setting jitter buffer size to 16384
    
[rtsp @ 0x19b4fa0] hello state=0
    
[h264 @ 0x19b9ac0] non-existing PPS 0 referenced
    
[h264 @ 0x19b9ac0] nal_unit_type: 5, nal_ref_idc: 3
    
    Last message repeated 3 times
    
[h264 @ 0x19b9ac0] non-existing PPS 0 referenced
    
[h264 @ 0x19b9ac0] decode_slice_header error
    
[h264 @ 0x19b9ac0] non-existing PPS 0 referenced
    
[h264 @ 0x19b9ac0] decode_slice_header error
    
[h264 @ 0x19b9ac0] non-existing PPS 0 referenced
    
[h264 @ 0x19b9ac0] decode_slice_header error
    
[h264 @ 0x19b9ac0] non-existing PPS 0 referenced
    
[h264 @ 0x19b9ac0] decode_slice_header error
    
[h264 @ 0x19b9ac0] no frame!
    
[h264 @ 0x19b9ac0] non-existing PPS 0 referenced
    
[h264 @ 0x19b9ac0] nal_unit_type: 9, nal_ref_idc: 0
    
[h264 @ 0x19b9ac0] nal_unit_type: 1, nal_ref_idc: 3
    
    Last message repeated 3 times
    
[h264 @ 0x19b9ac0] non-existing PPS 0 referenced
    
[h264 @ 0x19b9ac0] decode_slice_header error
    
[h264 @ 0x19b9ac0] non-existing PPS 0 referenced
    
[h264 @ 0x19b9ac0] decode_slice_header error
    
[h264 @ 0x19b9ac0] non-existing PPS 0 referenced
    
[h264 @ 0x19b9ac0] decode_slice_header error
    
[h264 @ 0x19b9ac0] non-existing PPS 0 referenced
    
[h264 @ 0x19b9ac0] decode_slice_header error
    
[h264 @ 0x19b9ac0] no frame!
    
[h264 @ 0x19b9ac0] non-existing PPS 0 referenced
    
[h264 @ 0x19b9ac0] nal_unit_type: 9, nal_ref_idc: 0
    
[h264 @ 0x19b9ac0] nal_unit_type: 1, nal_ref_idc: 3
    
    Last message repeated 3 times
    

    
    ... a lot of the same ...
    

    
[h264 @ 0x19b9ac0] non-existing PPS 0 referenced
    
[h264 @ 0x19b9ac0] decode_slice_header error
    
[h264 @ 0x19b9ac0] non-existing PPS 0 referenced
    
[h264 @ 0x19b9ac0] decode_slice_header error
    
[h264 @ 0x19b9ac0] non-existing PPS 0 referenced
    
[h264 @ 0x19b9ac0] decode_slice_header error
    
[h264 @ 0x19b9ac0] non-existing PPS 0 referenced
    
[h264 @ 0x19b9ac0] decode_slice_header error
    
[h264 @ 0x19b9ac0] no frame!
    
[h264 @ 0x19b9ac0] nal_unit_type: 9, nal_ref_idc: 0
    
[h264 @ 0x19b9ac0] nal_unit_type: 7, nal_ref_idc: 3
    
[h264 @ 0x19b9ac0] nal_unit_type: 8, nal_ref_idc: 3
    
[h264 @ 0x19b9ac0] nal_unit_type: 5, nal_ref_idc: 3
    
    Last message repeated 3 times
    
[h264 @ 0x19b9ac0] Reinit context to 640x480, pix_fmt: yuv420p
    
[h264 @ 0x19b9ac0] nal_unit_type: 9, nal_ref_idc: 0
    
[h264 @ 0x19b9ac0] nal_unit_type: 1, nal_ref_idc: 3
    
    Last message repeated 3 times
    
[h264 @ 0x19b9ac0] nal_unit_type: 9, nal_ref_idc: 0
    
[h264 @ 0x19b9ac0] nal_unit_type: 1, nal_ref_idc: 3
    
    Last message repeated 3 times
    
[h264 @ 0x19b9ac0] nal_unit_type: 9, nal_ref_idc: 0
    
[h264 @ 0x19b9ac0] nal_unit_type: 1, nal_ref_idc: 3
    
    Last message repeated 3 times
    
[h264 @ 0x19b9ac0] nal_unit_type: 9, nal_ref_idc: 0
    
[h264 @ 0x19b9ac0] nal_unit_type: 1, nal_ref_idc: 3
    
    Last message repeated 3 times
    
[h264 @ 0x19b9ac0] nal_unit_type: 9, nal_ref_idc: 0
    
[h264 @ 0x19b9ac0] nal_unit_type: 1, nal_ref_idc: 3
    
    Last message repeated 3 times
    
[h264 @ 0x19b9ac0] nal_unit_type: 9, nal_ref_idc: 0
    
[h264 @ 0x19b9ac0] nal_unit_type: 1, nal_ref_idc: 3
    
    Last message repeated 3 times
    
[rtsp @ 0x19b4fa0] All info found
    
Input #0, rtsp, from 'rtsp://192.168.193.182:5000/IcL8tHJdU9oWEK3rAAAA.sdp':
    
  Metadata:
    
    title           : IcL8tHJdU9oWEK3rAAAA
    
  Duration: N/A, start: 0.000000, bitrate: N/A
    
    Stream #0:0, 146, 1/48000: Audio: opus, 48000 Hz, mono, fltp
    
    Stream #0:1, 88, 1/90000: Video: h264 (Constrained Baseline), 1 reference frame, yuv420p(progressive, left), 640x480, 0/1, 30 fps, 30 tbr, 90k tbn, 60 tbc
    
Successfully opened the file.
    
Parsing a group of options: output file /opt/mediasoup_sample/recordings/IcL8tHJdU9oWEK3rAAAA.mp4.
    
Applying option vcodec (force video codec ('copy' to copy stream)) with argument h264.
    
Applying option acodec (force audio codec ('copy' to copy stream)) with argument aac.
    
Successfully parsed a group of options.
    
Opening an output file: /opt/mediasoup_sample/recordings/IcL8tHJdU9oWEK3rAAAA.mp4.
    
Matched encoder 'libx264' for codec 'h264'.
    
[file @ 0x1b7bb80] Setting default whitelist 'file,crypto'
    
Successfully opened the file.
    
detected 1 logical cores
    
[graph 0 input from stream 0:1 @ 0x1b788c0] Setting 'video_size' to value '640x480'
    
[graph 0 input from stream 0:1 @ 0x1b788c0] Setting 'pix_fmt' to value '0'
    
[graph 0 input from stream 0:1 @ 0x1b788c0] Setting 'time_base' to value '1/90000'
    
[graph 0 input from stream 0:1 @ 0x1b788c0] Setting 'pixel_aspect' to value '0/1'
    
[graph 0 input from stream 0:1 @ 0x1b788c0] Setting 'sws_param' to value 'flags=2'
    
[graph 0 input from stream 0:1 @ 0x1b788c0] Setting 'frame_rate' to value '30/1'
    
[graph 0 input from stream 0:1 @ 0x1b788c0] w:640 h:480 pixfmt:yuv420p tb:1/90000 fr:30/1 sar:0/1 sws_param:flags=2
    
[format @ 0x1a78e00] compat: called with args=[yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16]
    
[format @ 0x1a78e00] Setting 'pix_fmts' to value 'yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16'
    
[AVFilterGraph @ 0x19ba180] query_formats: 4 queried, 3 merged, 0 already done, 0 delayed
    
[graph 1 input from stream 0:0 @ 0x1b89ae0] Setting 'time_base' to value '1/48000'
    
[graph 1 input from stream 0:0 @ 0x1b89ae0] Setting 'sample_rate' to value '48000'
    
[graph 1 input from stream 0:0 @ 0x1b89ae0] Setting 'sample_fmt' to value 'fltp'
    
[graph 1 input from stream 0:0 @ 0x1b89ae0] Setting 'channel_layout' to value '0x4'
    
[graph 1 input from stream 0:0 @ 0x1b89ae0] tb:1/48000 samplefmt:fltp samplerate:48000 chlayout:0x4
    
[audio format for output stream 0:1 @ 0x1a7aa00] Setting 'sample_fmts' to value 'fltp'
    
[audio format for output stream 0:1 @ 0x1a7aa00] Setting 'sample_rates' to value '96000|88200|64000|48000|44100|32000|24000|22050|16000|12000|11025|8000|7350'
    
[AVFilterGraph @ 0x1a7a6e0] query_formats: 4 queried, 9 merged, 0 already done, 0 delayed
    
[h264 @ 0x1b779a0] nal_unit_type: 9, nal_ref_idc: 0
    
[h264 @ 0x1b779a0] nal_unit_type: 7, nal_ref_idc: 3
    
[h264 @ 0x1b779a0] nal_unit_type: 8, nal_ref_idc: 3
    
[h264 @ 0x1b779a0] Ignoring NAL type 9 in extradata
    
[libx264 @ 0x1a6b5e0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
    
[libx264 @ 0x1a6b5e0] profile High, level 3.0
    
[libx264 @ 0x1a6b5e0] 264 - core 140 - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=1 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
    
Output #0, mp4, to '/opt/mediasoup_sample/recordings/IcL8tHJdU9oWEK3rAAAA.mp4':
    
  Metadata:
    
    title           : IcL8tHJdU9oWEK3rAAAA
    
    encoder         : Lavf57.56.100
    
    Stream #0:0, 0, 1/15360: Video: h264 (libx264), 1 reference frame ([33][0][0][0] / 0x0021), yuv420p(left), 640x480, 0/1, q=-1--1, 30 fps, 15360 tbn, 30 tbc
    
    Metadata:
    
      encoder         : Lavc57.64.100 libx264
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    
    Stream #0:1, 0, 1/48000: Audio: aac (LC) ([64][0][0][0] / 0x0040), 48000 Hz, mono, fltp, delay 1024, 69 kb/s
    
    Metadata:
    
      encoder         : Lavc57.64.100 aac
    
Stream mapping:
    
  Stream #0:1 -> #0:0 (h264 (native) -> h264 (libx264))
    
  Stream #0:0 -> #0:1 (opus (native) -> aac (native))
    
Press [q] to stop, [?] for help
    
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
    
    Last message repeated 1 times
    
[SWR @ 0x1af80a0] Using fltp internally between filters
    
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
    
    Last message repeated 48 times
    
[h264 @ 0x1b779a0] nal_unit_type: 5, nal_ref_idc: 3
    
    Last message repeated 3 times
    
[h264 @ 0x1b779a0] Reinit context to 640x480, pix_fmt: yuv420p
    
*** 67 dup!
    
[libx264 @ 0x1a6b5e0] frame=   0 QP=16.76 NAL=3 Slice:I Poc:0   I:1200 P:0    SKIP:0    size=29147 bytes
    
[libx264 @ 0x1a6b5e0] frame=   1 QP=15.49 NAL=2 Slice:P Poc:8   I:1    P:198  SKIP:1001 size=588 bytes
    

    
    ... a lot of the same ...
    

    
[libx264 @ 0x1a6b5e0] frame=  25 QP=16.64 NAL=2 Slice:P Poc:56  I:0    P:15   SKIP:1185 size=72 bytes
    
[libx264 @ 0x1a6b5e0] frame=  26 QP=27.00 NAL=2 Slice:B Poc:52  I:0    P:18   SKIP:1182 size=44 bytes
    
frame=   68 fps= 38 q=29.0 size=      32kB time=00:00:00.80 bitrate= 332.6kbits/s dup=67 drop=0 speed=0.453x    
    
[h264 @ 0x1b779a0] nal_unit_type: 9, nal_ref_idc: 0
    
[h264 @ 0x1b779a0] nal_unit_type: 1, nal_ref_idc: 3
    
    Last message repeated 3 times
    
[h264 @ 0x1b779a0] nal_unit_type: 9, nal_ref_idc: 0
    
[h264 @ 0x1b779a0] nal_unit_type: 1, nal_ref_idc: 3
    
    Last message repeated 3 times
    

    
    ... a lot of the same ...
    

    
*** dropping frame 68 from stream 0 at ts 64
    
[h264 @ 0x1b779a0] nal_unit_type: 9, nal_ref_idc: 0
    
[h264 @ 0x1b779a0] nal_unit_type: 1, nal_ref_idc: 3
    
    Last message repeated 3 times
    
*** dropping frame 68 from stream 0 at ts 65
    
[libx264 @ 0x1a6b5e0] frame=  27 QP=29.00 NAL=0 Slice:B Poc:50  I:0    P:1    SKIP:1199 size=19 bytes
    
[h264 @ 0x1b779a0] nal_unit_type: 9, nal_ref_idc: 0
    
[h264 @ 0x1b779a0] nal_unit_type: 1, nal_ref_idc: 3
    
    Last message repeated 3 times
    

    
    ... a lot of the same ...
    

    
[libx264 @ 0x1a6b5e0] frame= 362 QP=24.00 NAL=2 Slice:B Poc:208 I:0    P:6    SKIP:1194 size=30 bytes
    
[libx264 @ 0x1a6b5e0] frame= 363 QP=26.00 NAL=0 Slice:B Poc:206 I:0    P:0    SKIP:1200 size=19 bytes
    
[h264 @ 0x1b779a0] nal_unit_type: 1, nal_ref_idc: 3
    
[h264 @ 0x1b779a0] concealing 880 DC, 880 AC, 880 MV errors in P frame
    
*** 1 dup!
    
[libx264 @ 0x1a6b5e0] frame= 364 QP=26.00 NAL=0 Slice:B Poc:210 I:0    P:0    SKIP:1200 size=19 bytes
    
[libx264 @ 0x1a6b5e0] frame= 365 QP=16.71 NAL=2 Slice:P Poc:220 I:0    P:8    SKIP:1192 size=51 bytes
    
frame=  407 fps= 16 q=29.0 size=     306kB time=00:00:17.48 bitrate= 143.2kbits/s dup=329 drop=65 speed=0.675x    
    
[rtsp @ 0x19b4fa0] max delay reached. need to consume packet
    
[rtsp @ 0x19b4fa0] RTP: missed 2 packets
    
[h264 @ 0x1b779a0] nal_unit_type: 9, nal_ref_idc: 0
    
[h264 @ 0x1b779a0] nal_unit_type: 1, nal_ref_idc: 3
    
[h264 @ 0x1b779a0] concealing 920 DC, 920 AC, 920 MV errors in P frame
    
*** 1 dup!
    

    
    ... a lot of the same ...
    

    
[libx264 @ 0x1a6b5e0] frame= 420 QP=25.50 NAL=0 Slice:B Poc:322 I:0    P:280  SKIP:920  size=282 bytes
    
[libx264 @ 0x1a6b5e0] frame= 421 QP=24.51 NAL=2 Slice:P Poc:326 I:0    P:43   SKIP:1157 size=112 bytes
    
[aac @ 0x1a79de0] Trying to remove 320 more samples than there are in the queue
    
frame=  422 fps=8.7 q=29.0 Lsize=     379kB time=00:00:17.54 bitrate= 176.7kbits/s dup=338 drop=65 speed=0.36x    
    
video:240kB audio:123kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 4.257356%
    
Input file #0 (rtsp://192.168.193.182:5000/IcL8tHJdU9oWEK3rAAAA.sdp):
    
  Input stream #0:0 (audio): 725 packets read (54182 bytes); 725 frames decoded (696000 samples); 
    
  Input stream #0:1 (video): 150 packets read (203332 bytes); 150 frames decoded; 
    
  Total: 875 packets (257514 bytes) demuxed
    
Output file #0 (/opt/mediasoup_sample/recordings/IcL8tHJdU9oWEK3rAAAA.mp4):
    
  Output stream #0:0 (video): 422 frames encoded; 422 packets muxed (245681 bytes); 
    
  Output stream #0:1 (audio): 680 frames encoded (696000 samples); 681 packets muxed (126146 bytes); 
    
  Total: 1103 packets (371827 bytes) muxed
    
875 frames successfully decoded, 0 decoding errors
    
[AVIOContext @ 0x1a6c4e0] Statistics: 60 seeks, 1148 writeouts
    
[libx264 @ 0x1a6b5e0] frame I:3     Avg QP:17.89  size: 17026
    
[libx264 @ 0x1a6b5e0] frame P:120   Avg QP:18.27  size:  1244
    
[libx264 @ 0x1a6b5e0] frame B:299   Avg QP:24.50  size:   149
    
[libx264 @ 0x1a6b5e0] consecutive B-frames:  4.7%  1.9%  1.4% 91.9%
    
[libx264 @ 0x1a6b5e0] mb I  I16..4: 19.9% 48.9% 31.1%
    
[libx264 @ 0x1a6b5e0] mb P  I16..4:  2.1%  5.2%  0.8%  P16..4: 10.3%  1.2%  0.6%  0.0%  0.0%    skip:79.7%
    
[libx264 @ 0x1a6b5e0] mb B  I16..4:  0.1%  0.1%  0.0%  B16..8:  5.4%  0.2%  0.0%  direct: 0.8%  skip:93.5%  L0:56.3% L1:43.1% BI: 0.5%
    
[libx264 @ 0x1a6b5e0] 8x8 transform intra:60.5% inter:62.3%
    
[libx264 @ 0x1a6b5e0] coded y,uvDC,uvAC intra: 40.2% 49.9% 19.0% inter: 0.7% 3.2% 0.1%
    
[libx264 @ 0x1a6b5e0] i16 v,h,dc,p: 26% 30%  9% 36%
    
[libx264 @ 0x1a6b5e0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 44% 27% 13%  3%  2%  2%  3%  3%  3%
    
[libx264 @ 0x1a6b5e0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 38% 28% 11%  3%  5%  4%  5%  4%  3%
    
[libx264 @ 0x1a6b5e0] i8c dc,h,v,p: 38% 28% 23% 12%
    
[libx264 @ 0x1a6b5e0] Weighted P-Frames: Y:2.5% UV:2.5%
    
[libx264 @ 0x1a6b5e0] ref P L0: 82.7%  3.3% 10.6%  3.3%  0.0%
    
[libx264 @ 0x1a6b5e0] ref B L0: 86.6% 12.6%  0.7%
    
[libx264 @ 0x1a6b5e0] ref B L1: 96.5%  3.5%
    
[libx264 @ 0x1a6b5e0] kb/s:139.34
    
[aac @ 0x1a79de0] Qavg: 212.691

    Thanks,
    Johnathan Kanarek

  • FFMpeg - Trimming out the video after removing duplicate frames

    19 mars 2017, par MarianD

    I removed many duplicate frames from video (and completely removed audio) by this command

    ffmpeg -i scene.mkv -vf mpdecimate,setpts=N/FRAME_RATE/TB -map:v 0  scene3.mp4

    (by an Mulvya’s answer, thanks again).

    The resulting video is OK but the total duration will not change - the last frame of original video is frozen to fill the remaining time (when playing back the video).

    Is there some way to trim the video so that it will finish at this last frame ?

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