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  • FFMPEG concat 2 files of different resolution hangs

    6 octobre 2023, par knagode

    I am trying to concat 2 videos of different size and resize it to 426x240 :

    


    ffmpeg -y -i video_1.mp4 -i video_2.mp4 -filter_complex '[0]scale=426:240:force_original_aspect_ratio=decrease,pad=426:240:(ow-iw)/2:(oh-ih)/2,setsar=1[v0];[1]scale=426:240:force_original_aspect_ratio=decrease,pad=426:240:(ow-iw)/2:(oh-ih)/2,setsar=1[v1];[v0][0:a:0][v1][1:a:0]concat=n=2:v=1:a=1[v][a]' -map '[v]' -map '[a]' concatenated_video.mp4


    


    In the output I see :

    


    ffmpeg version 6.0 Copyright (c) 2000-2023 the FFmpeg developers
  built with Apple clang version 14.0.3 (clang-1403.0.22.14.1)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/6.0_1 --enable-shared --enable-pthreads --enable-version3 --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libaribb24 --enable-libbluray --enable-libdav1d --enable-libjxl --enable-libmp3lame --enable-libopus --enable-librav1e --enable-librist --enable-librubberband --enable-libsnappy --enable-libsrt --enable-libsvtav1 --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libspeex --enable-libsoxr --enable-libzmq --enable-libzimg --disable-libjack --disable-indev=jack --enable-videotoolbox --enable-audiotoolbox
  libavutil      58.  2.100 / 58.  2.100
  libavcodec     60.  3.100 / 60.  3.100
  libavformat    60.  3.100 / 60.  3.100
  libavdevice    60.  1.100 / 60.  1.100
  libavfilter     9.  3.100 /  9.  3.100
  libswscale      7.  1.100 /  7.  1.100
  libswresample   4. 10.100 /  4. 10.100
  libpostproc    57.  1.100 / 57.  1.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'video_1.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf60.3.100
  Duration: 00:00:05.76, start: 0.000000, bitrate: 1582 kb/s
  Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(progressive), 640x360 [SAR 1:1 DAR 16:9], 1473 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
    Metadata:
      handler_name    : ISO Media file produced by Google Inc. Created on: 08/17/2020.
      vendor_id       : [0][0][0][0]
      encoder         : Lavc60.3.100 libx264
  Stream #0:1[0x2](eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 112 kb/s (default)
    Metadata:
      handler_name    : ISO Media file produced by Google Inc. Created on: 08/17/2020.
      vendor_id       : [0][0][0][0]
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'video_2.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf60.3.100
  Duration: 00:00:16.40, start: 0.000000, bitrate: 383 kb/s
  Stream #1:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 426x240 [SAR 640:639 DAR 16:9], 245 kb/s, 29.97 fps, 29.97 tbr, 30k tbn (default)
    Metadata:
      handler_name    : Core Media Video
      vendor_id       : [0][0][0][0]
      encoder         : Lavc60.3.100 libx264
  Stream #1:1[0x2](eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
    Metadata:
      handler_name    : Core Media Audio
      vendor_id       : [0][0][0][0]
Stream mapping:
  Stream #0:0 (h264) -> scale:default
  Stream #0:1 (aac) -> concat
  Stream #1:0 (h264) -> scale:default
  Stream #1:1 (aac) -> concat
  concat -> Stream #0:0 (libx264)
  concat -> Stream #0:1 (aac)
Press [q] to stop, [?] for help
[vost#0:0/libx264 @ 0x7fc777006280] Frame rate very high for a muxer not efficiently supporting it.
Please consider specifying a lower framerate, a different muxer or setting vsync/fps_mode to vfr
[libx264 @ 0x7fc777006580] using SAR=1/1
[libx264 @ 0x7fc777006580] MB rate (405000000) > level limit (16711680)
[libx264 @ 0x7fc777006580] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x7fc777006580] profile High, level 6.2, 4:2:0, 8-bit
[libx264 @ 0x7fc777006580] 264 - core 164 r3095 baee400 - H.264/MPEG-4 AVC codec - Copyleft 2003-2022 - 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=7 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 'concatenated_video.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf60.3.100
  Stream #0:0: Video: h264 (avc1 / 0x31637661), yuv420p(tv, progressive), 426x240 [SAR 1:1 DAR 71:40], q=2-31, 1000k tbn
    Metadata:
      encoder         : Lavc60.3.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
  Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s
    Metadata:
      encoder         : Lavc60.3.100 aac
[vost#0:0/libx264 @ 0x7fc777006280] More than 1000 frames duplicated  1.1kbits/s speed=4.94x


    


    Process hangs and I see that ffmpeg uses 500% of the CPU. Any idea how to fix (deal with) this ?

    


    I can open both videos on my computer and play them.

    


  • Live streaming Channel Multiview used ffmpeg X11grab and shaka packager

    18 août 2020, par jgkim0518

    I have been trying to live stream channel multiview used xvfb, firefox, vlc, ffmpeg and shaka packager.
1). Making virtual display used Xvfb.
2). Popping up a web page used fireforx on 1).
3). Drawing nine video(each channel) used vlc plugin on 2).
4). Capturing 2) used ffmpeg library, x11grab.
5). Transcoding 4) to FHD(HEVC)+10 Audio(each channel sound + dummy), FHD(H.264)+no sound, HD(H.264)+no sound, SD(H.264)+no sound, nHD(H.264)+no sound
6). packaging 5) used Shaka Packager

    


    This is my command. shell script

    


    function exec-xvfb () {
$XVFB :$display_port -br -noreset -nolisten tcp -screen 0 1920x1080x24 &}

function exec-firefox () {
    AUDIO_CTRL_PATH="$audio_ctrl_port:/TEST/vlcenv/.sync.dat" VLC_INFO_PATH=/TEST/vlcenv/vlc_info.dat AUDIO_SHARE_KEY="$AUDIO_SHARE_KEY" AUDIO_SHARE_PATH=/TEST/vlcenv/.share.shm MOSAIC_META_PATH=/TEST/meta_bin.dat DISPLAY=":$display_port" $FIREFOX --display=:$display_port --no remote --profile /TEST/browser -width 1920 -height 1080 http://127.0.0.1:8021/template/best_channel_9_1/page/index.html &
}

function transcoder () {
    AUDIO_CTRL_PATH="$audio_ctrl_port:/TEST/vlcenv/.sync.dat" VLC_INFO_PATH=/TEST/vlcenv/vlc_info.dat 
AUDIO_SHARE_KEY="$AUDIO_SHARE_KEY" AUDIO_SHARE_PATH=/TEST/vlcenv/.share.shm 
MOSAIC_META_PATH=/TEST/meta_bin.dat DISPLAY=":$display_port" 
LD_LIBRARY_PATH=/transcoder/lib:/transcoder/lib/cuda /transcoder/gpu/transcoder -y -re \
    -analyzeduration 0 -f s16le -ar 48000 -ac 2 -pkt_size 128000 -i syc://@:$trc_sync_port?dummy=1 \
    -analyzeduration 0 -f s16le -ar 48000 -ac 2 -pkt_size 128000 -i syc://@:$(($trc_sync_port+1)) \
    -analyzeduration 0 -f s16le -ar 48000 -ac 2 -pkt_size 128000 -i syc://@:$(($trc_sync_port+2)) \
    -analyzeduration 0 -f s16le -ar 48000 -ac 2 -pkt_size 128000 -i syc://@:$(($trc_sync_port+3)) \
    -analyzeduration 0 -f s16le -ar 48000 -ac 2 -pkt_size 128000 -i syc://@:$(($trc_sync_port+4)) \
    -analyzeduration 0 -f s16le -ar 48000 -ac 2 -pkt_size 128000 -i syc://@:$(($trc_sync_port+5)) \
    -analyzeduration 0 -f s16le -ar 48000 -ac 2 -pkt_size 128000 -i syc://@:$(($trc_sync_port+6)) \
    -analyzeduration 0 -f s16le -ar 48000 -ac 2 -pkt_size 128000 -i syc://@:$(($trc_sync_port+7)) \
    -analyzeduration 0 -f s16le -ar 48000 -ac 2 -pkt_size 128000 -i syc://@:$(($trc_sync_port+8)) \
    -analyzeduration 0 -f s16le -ar 48000 -ac 2 -pkt_size 128000 -i syc://@:$(($trc_sync_port+9)) \
    -analyzeduration 0 -f x11grab -draw_mouse 0 -video_size 1920x1080 -framerate 29.97 -i :$display_port.0+0,0,nomouse \
    -c:a libfdk_aac -ar:a 48000 -ac:a 2 -b:a 128000 -vf hwupload_cuda=device=$gpu_no,scale_npp=1920:1080:format=yuv420p -gpu $gpu_no -c:v hevc_nvenc -preset:v fast -profile:v main -r 29.97 -g 15 -b:v 6000000 -bufsize 14000000 -maxrate 7000000 \
    -map 0:a -map 1:a -map 2:a -map 3:a -map 4:a -map 5:a -map 6:a -map 7:a -map 8:a -map 9:a -map 10:v -f mpegts udp://127.0.0.1:$trc_output_port?pkt_size=1316 \
    -an -vf hwupload_cuda=device=$gpu_no,scale_npp=1920:1080:format=yuv420p -gpu $gpu_no -c:v h264_nvenc -preset:v fast -profile:v main -r 29.97 -g 15 -b:v 4000000 -bufsize 8000000 -maxrate 4000000 -f mpegts udp://127.0.0.1:$(($trc_output_port+1))?pkt_size=1316 \
    -an -vf hwupload_cuda=device=$gpu_no,scale_npp=1280:720:format=yuv420p -gpu $gpu_no -c:v h264_nvenc -preset:v fast -profile:v main -r 29.97 -g 15 -b:v 2000000 -bufsize 4000000 -maxrate 2000000 -f mpegts udp://127.0.0.1:$(($trc_output_port+2))?pkt_size=1316 \
    -an -vf hwupload_cuda=device=$gpu_no,scale_npp=720:480:format=yuv420p -gpu $gpu_no -c:v h264_nvenc -preset:v fast -profile:v main -r 29.97 -g 15 -b:v 1500000 -bufsize 3000000 -maxrate 1500000 -f mpegts udp://127.0.0.1:$(($trc_output_port+3))?pkt_size=1316 \
    -an -vf hwupload_cuda=device=$gpu_no,scale_npp=640:360:format=yuv420p -gpu $gpu_no -c:v h264_nvenc -preset:v fast -profile:v main -r 29.97 -g 15 -b:v 800000 -bufsize 1600000 -maxrate 800000 -f mpegts udp://127.0.0.1:$(($trc_output_port+4))?pkt_size=1316 \main &
}

function packager () { 
    rm -rf $OUTPUT/*
    /packager/packager \ 

    "in=udp://127.0.0.1:$trc_output_port,stream=0,init_segment=$OUTPUT/audio/0/audio_4.mp4,segment_template=$OUTPUT/audio/0/\$Time\$.m4s" \                 "in=udp://127.0.0.1:$trc_output_port,stream=1,init_segment=$OUTPUT/audio/1/audio_4.mp4,segment_template=$OUTPUT/audio/1/\$Time\$.m4s" \
    "in=udp://127.0.0.1:$trc_output_port,stream=2,init_segment=$OUTPUT/audio/2/audio_4.mp4,segment_template=$OUTPUT/audio/2/\$Time\$.m4s" \
    "in=udp://127.0.0.1:$trc_output_port,stream=3,init_segment=$OUTPUT/audio/3/audio_4.mp4,segment_template=$OUTPUT/audio/3/\$Time\$.m4s" \
    "in=udp://127.0.0.1:$trc_output_port,stream=4,init_segment=$OUTPUT/audio/4/audio_4.mp4,segment_template=$OUTPUT/audio/4/\$Time\$.m4s" \
    "in=udp://127.0.0.1:$trc_output_port,stream=5,init_segment=$OUTPUT/audio/5/audio_4.mp4,segment_template=$OUTPUT/audio/5/\$Time\$.m4s" \
    "in=udp://127.0.0.1:$trc_output_port,stream=6,init_segment=$OUTPUT/audio/6/audio_4.mp4,segment_template=$OUTPUT/audio/6/\$Time\$.m4s" \
    "in=udp://127.0.0.1:$trc_output_port,stream=7,init_segment=$OUTPUT/audio/7/audio_4.mp4,segment_template=$OUTPUT/audio/7/\$Time\$.m4s" \
    "in=udp://127.0.0.1:$trc_output_port,stream=8,init_segment=$OUTPUT/audio/8/audio_4.mp4,segment_template=$OUTPUT/audio/8/\$Time\$.m4s" \
    "in=udp://127.0.0.1:$trc_output_port,stream=9,init_segment=$OUTPUT/audio/9/audio_4.mp4,segment_template=$OUTPUT/audio/9/\$Time\$.m4s" \
    "in=udp://127.0.0.1:$trc_output_port,stream=video,init_segment=$OUTPUT/video/0/video_4.mp4,segment_template=$OUTPUT/video/0/\$Time\$.m4s" \
    "in=udp://127.0.0.1:$(($trc_output_port+1)),stream=video,init_segment=$OUTPUT/video/1/video_4.mp4,segment_template=$OUTPUT/video/1/\$Time\$.m4s" \
    "in=udp://127.0.0.1:$(($trc_output_port+2)),stream=video,init_segment=$OUTPUT/video/2/video_4.mp4,segment_template=$OUTPUT/video/2/\$Time\$.m4s" \
    "in=udp://127.0.0.1:$(($trc_output_port+3)),stream=video,init_segment=$OUTPUT/video/3/video_4.mp4,segment_template=$OUTPUT/video/3/\$Time\$.m4s" \
    "in=udp://127.0.0.1:$(($trc_output_port+4)),stream=video,init_segment=$OUTPUT/video/4/video_4.mp4,segment_template=$OUTPUT/video/4/\$Time\$.m4s" \
    --segment_duration 10 --fragment_duration 10 --minimum_update_period 10 --allow_codec_switching --preserved_segments_outside_live_window 24 --time_shift_buffer_depth 40 \
    --mpd_output $OUTPUT/$output_mpd.mpd
}


    


    vlc warning and error messages when duration 7

    


    ...
adaptive debug: Timeline
adaptive debug: Element #1 d=669670 r=0 @t=6321195
adaptive debug: Element #2 d=576576 r=0 @t=6990865
adaptive debug: Element #3 d=669670 r=0 @t=7567441
adaptive debug: Element #4 d=672673 r=0 @t=8237111
adaptive debug: Element #5 d=561561 r=0 @t=8909784
adaptive debug: Element #6 d=654655 r=0 @t=9471345
adaptive debug: Element #7 d=630631 r=0 @t=10126000
adaptive debug: Updated MPD, next update in 7s
main warning: picture is too late to be displayed (missing 223 ms)
main warning: picture is too late to be displayed (missing 157 ms)
main warning: picture is too late to be displayed (missing 91 ms)
main warning: picture is too late to be displayed (missing 24 ms)
adaptive debug: Retrieving http://192.168.0.181:81/300/audio/5/9451440.m4s @0
adaptive debug: Retrieving http://192.168.0.181:81/300/video/0/9475185.m4s @0
adaptive debug: Retrieving http://192.168.0.181:81/300/300.mpd @0
main debug: creating access: http://192.168.0.181:81/300/300.mpd
main debug: (path: \\192.168.0.181:81\300\300.mpd)
main debug: looking for access module matching "http": 26 candidates
http debug: resolving 192.168.0.181 ...
http debug: outgoing request: GET /300/300.mpd HTTP/1.1 Host:192.168.0.181:81 Accept: */* Accept-Language: en_US User-Agent: VLC/3.0.11 LibVLC/3.0.11 Range: bytes=0- 
http debug: incoming response: HTTP/1.1 206 Partial Content Server: nginx Date: Mon, 17 Aug 2020 09:10:08 GMT Content-Type: application/octet-stream Content-Length: 10406 Last-Modified: Mon, 17 Aug 2020 09:10:08 GMT Connection: keep-alive ETag: "5f3a4970-28a6" Content-Range: bytes 0-10405/10406 
main debug: using access module "access"
main debug: looking for stream_filter module matching "prefetch,cache_block": 24 candidates
prefetch debug: using 10406 bytes buffer, 10406 bytes read
main debug: using stream_filter module "prefetch"
main debug: looking for stream_filter module matching "any": 24 candidates
main debug: no stream_filter modules matched
main debug: looking for stream_filter module matching "inflate": 24 candidates
main debug: no stream_filter modules matched
prefetch debug: end of stream
main debug: removing module "prefetch"
main debug: removing module "access"
main debug: looking for xml reader module matching "any": 1 candidates
main debug: using xml reader module "xml"
adaptive debug: MPD profile=urn:mpeg:dash:profile:isoff-live:2011 mediaPresentationDuration=0 minBufferTime=2
adaptive debug: BaseUrl=http://192.168.0.181:81/300/
adaptive debug: Period
adaptive debug: BaseAdaptationSet 0
adaptive debug: Representation 0 [mp4a]
adaptive debug: InitSegmentTemplate #0 url=http://192.168.0.181:81/300/audio/0/audio_4.mp4 duration 0
adaptive debug: SegmentTemplate #12 url=http://192.168.0.181:81/300/audio/0/$Time$.m4s duration 0
adaptive debug: Timeline
adaptive debug: Element #1 d=629760 r=1 @t=6930480
adaptive debug: Element #3 d=631680 r=0 @t=8190000
adaptive debug: Element #4 d=629760 r=3 @t=8821680
adaptive debug: Representation 1 [mp4a]
adaptive debug: InitSegmentTemplate #0 url=http://192.168.0.181:81/300/audio/1/audio_4.mp4 duration 0
adaptive debug: SegmentTemplate #12 url=http://192.168.0.181:81/300/audio/1/$Time$.m4s duration 0
...
adaptive debug: Timeline
adaptive debug: Element #1 d=576576 r=0 @t=6990865
adaptive debug: Element #2 d=669670 r=0 @t=7567441
adaptive debug: Element #3 d=672673 r=0 @t=8237111
adaptive debug: Element #4 d=561561 r=0 @t=8909784
adaptive debug: Element #5 d=654655 r=0 @t=9471345
adaptive debug: Element #6 d=630631 r=0 @t=10126000
adaptive debug: Element #7 d=666666 r=0 @t=10756631
adaptive debug: Updated MPD, next update in 7s
main error: ES_OUT_SET_(GROUP_)PCR is called too late (pts_delay increased to 2168 ms)
main debug: ES_OUT_RESET_PCR called
main debug: Buffering 0%
main debug: Buffering 1%
main debug: Buffering 2%
main debug: Received first picture
mmdevice debug: state changed: 0
main debug: Buffering 4%
...
main debug: Buffering 15%
wasapi debug: reset
main debug: Buffering 17%
...
main debug: Buffering 98%
main debug: Stream buffering done (2176 ms in 16 ms)
main debug: Decoder wait done in 0 ms
main warning: playback too early (-110003): down-sampling
mmdevice debug: state changed: 1
adaptive debug: Retrieving http://192.168.0.181:81/300/video/0/10129840.m4s @0
adaptive debug: Retrieving http://192.168.0.181:81/300/audio/5/10081200.m4s @0
adaptive debug: Retrieving http://192.168.0.181:81/300/300.mpd @0
main debug: creating access: http://192.168.0.181:81/300/300.mpd
main debug: (path: \\192.168.0.181:81\300\300.mpd)
main debug: looking for access module matching "http": 26 candidates
http debug: resolving 192.168.0.181 ...
http debug: outgoing request: GET /300/300.mpd HTTP/1.1 Host: 192.168.0.181:81 Accept: */* Accept-Language: en_US User-Agent: VLC/3.0.11 LibVLC/3.0.11 Range: bytes=0- 
http debug: incoming response: HTTP/1.1 206 Partial Content Server: nginx Date: Mon, 17 Aug 2020 09:10:15 GMT Content-Type: application/octet-stream Content-Length: 10387 Last-Modified: Mon, 17 Aug 2020 09:10:15 GMT Connection: keep-alive ETag: "5f3a4977-2893" Content-Range: bytes 0-10386/10387 
main debug: using access module "access"
main debug: looking for stream_filter module matching "prefetch,cache_block": 24 candidates
prefetch debug: using 10387 bytes buffer, 10387 bytes read
main debug: using stream_filter module "prefetch"
main debug: looking for stream_filter module matching "any": 24 candidates
main debug: no stream_filter modules matched
main debug: looking for stream_filter module matching "inflate": 24 candidates
main debug: no stream_filter modules matched
prefetch debug: end of stream
main debug: removing module "prefetch"
main debug: removing module "access"
main debug: looking for xml reader module matching "any": 1 candidates
main debug: using xml reader module "xml"
adaptive debug: MPD profile=urn:mpeg:dash:profile:isoff-live:2011 mediaPresentationDuration=0 minBufferTime=2
adaptive debug: BaseUrl=http://192.168.0.181:81/300/
adaptive debug: Period
adaptive debug: BaseAdaptationSet 0
adaptive debug: Representation 0 [mp4a]
adaptive debug: InitSegmentTemplate #0 url=http://192.168.0.181:81/300/audio/0/audio_4.mp4 duration 0
adaptive debug: SegmentTemplate #13 url=http://192.168.0.181:81/300/audio/0/$Time$.m4s duration 0
...


    


    keep getting a similar message

    


    vlc warning and error messages when duration 5

    


    adaptive debug: Timeline
adaptive debug: Element #1 d=456457 r=0 @t=9501375
adaptive debug: Element #2 d=453453 r=0 @t=9957832
adaptive debug: Element #3 d=471472 r=0 @t=10411285
adaptive debug: Element #4 d=381381 r=0 @t=10882757
adaptive debug: Element #5 d=477478 r=0 @t=11264138
adaptive debug: Element #6 d=468468 r=0 @t=11741616
adaptive debug: Element #7 d=474475 r=0 @t=12210084
adaptive debug: Element #8 d=378378 r=0 @t=12684559
adaptive debug: Element #9 d=468468 r=0 @t=13062937
adaptive debug: Element #10 d=474475 r=0 @t=13531405
adaptive debug: Updated MPD, next update in 5s
adaptive debug: Retrieving http://192.168.0.181:81/300/audio/5/8101680.m4s @0
main error: ES_OUT_SET_(GROUP_)PCR is called too late (pts_delay increased to 4794 ms)
main warning: buffer too late (-588333 us): dropped
main debug: ES_OUT_RESET_PCR called
main debug: Buffering 0%
main debug: Buffering 1%
main debug: Buffering 2%
main debug: Buffering 3%
...
main debug: Buffering 15%
main debug: Received first picture
main debug: Buffering 16%
...
main debug: Buffering 99%
main debug: Stream buffering done (4804 ms in 122 ms)
main debug: Decoder wait done in 0 ms
main debug: inserting 3246 zeroes
mmdevice debug: state changed: 0
wasapi debug: reset
main warning: playback too early (-85958): down-sampling
mmdevice debug: state changed: 1
adaptive debug: Retrieving http://192.168.0.181:81/300/video/0/8114825.m4s @0
adaptive debug: Retrieving http://192.168.0.181:81/300/300.mpd @0
main debug: creating access: http://192.168.0.181:81/300/300.mpd
main debug: (path: \\192.168.0.181:81\300\300.mpd)
main debug: looking for access module matching "http": 26 candidates
http debug: resolving 192.168.0.181 ...
http debug: outgoing request: GET /300/300.mpd HTTP/1.1 Host: 192.168.0.181:81 Accept: */* Accept-Language: en_US User-Agent: VLC/3.0.11 LibVLC/3.0.11 Range: bytes=0- 
http debug: incoming response: HTTP/1.1 206 Partial Content Server: nginx Date: Mon, 17 Aug 2020 09:18:28 GMT Content-Type: application/octet-stream Content-Length: 12632 Last-Modified: Mon, 17 Aug 2020 09:18:28 GMT Connection: keep-alive ETag: "5f3a4b64-3158" Content-Range: bytes 0-12631/12632 
main debug: using access module "access"
main debug: looking for stream_filter module matching "prefetch,cache_block": 24 candidates
prefetch debug: using 12632 bytes buffer, 12632 bytes read
main debug: using stream_filter module "prefetch"
main debug: looking for stream_filter module matching "any": 24 candidates
main debug: no stream_filter modules matched
main debug: looking for stream_filter module matching "inflate": 24 candidates
main debug: no stream_filter modules matched
prefetch debug: end of stream
main debug: removing module "prefetch"
main debug: removing module "access"
main debug: looking for xml reader module matching "any": 1 candidates
main debug: using xml reader module "xml"
adaptive debug: MPD profile=urn:mpeg:dash:profile:isoff-live:2011 mediaPresentationDuration=0 minBufferTime=2
adaptive debug: BaseUrl=http://192.168.0.181:81/300/
adaptive debug: Period
adaptive debug: BaseAdaptationSet 0
adaptive debug: Representation 0 [mp4a]
adaptive debug: InitSegmentTemplate #0 url=http://192.168.0.181:81/300/audio/0/audio_4.mp4 duration 0
adaptive debug: SegmentTemplate #12 url=http://192.168.0.181:81/300/audio/0/$Time$.m4s duration 0
...
adaptive debug: Timeline
adaptive debug: Element #1 d=453453 r=0 @t=9957832
adaptive debug: Element #2 d=471472 r=0 @t=10411285
adaptive debug: Element #3 d=381381 r=0 @t=10882757
adaptive debug: Element #4 d=477478 r=0 @t=11264138
adaptive debug: Element #5 d=468468 r=0 @t=11741616
adaptive debug: Element #6 d=474475 r=0 @t=12210084
adaptive debug: Element #7 d=378378 r=0 @t=12684559
adaptive debug: Element #8 d=468468 r=0 @t=13062937
adaptive debug: Element #9 d=474475 r=0 @t=13531405
adaptive debug: Element #10 d=459459 r=0 @t=14005880
adaptive debug: Updated MPD, next update in 5s
adaptive debug: Retrieving http://192.168.0.181:81/300/audio/5/8550960.m4s @0
main warning: picture is too late to be displayed (missing 383 ms)
main warning: picture is too late to be displayed (missing 317 ms)
main warning: picture is too late to be displayed (missing 251 ms)
main warning: picture is too late to be displayed (missing 184 ms)
main warning: picture is too late to be displayed (missing 117 ms)
adaptive debug: Retrieving http://192.168.0.181:81/300/300.mpd @0
main debug: creating access: http://192.168.0.181:81/300/300.mpd
main debug: (path: \\192.168.0.181:81\300\300.mpd)
main debug: looking for access module matching "http": 26 candidates
http debug: resolving 192.168.0.181 ...
http debug: outgoing request: GET /300/300.mpd HTTP/1.1 Host: 192.168.0.181:81 Accept: */* Accept-Language: en_US User-Agent: VLC/3.0.11 LibVLC/3.0.11 Range: bytes=0- 
http debug: incoming response: HTTP/1.1 206 Partial Content Server: nginx Date: Mon, 17 Aug 2020 09:18:33 GMT Content-Type: application/octet-stream Content-Length: 12596 Last-Modified: Mon, 17 Aug 2020 09:18:33 GMT Connection: keep-alive ETag: "5f3a4b69-3134" Content-Range: bytes 0-12595/12596 
main debug: using access module "access"
main debug: looking for stream_filter module matching "prefetch,cache_block": 24 candidates
prefetch debug: using 12596 bytes buffer, 12596 bytes read
main debug: using stream_filter module "prefetch"
main debug: looking for stream_filter module matching "any": 24 candidates
main debug: no stream_filter modules matched
main debug: looking for stream_filter module matching "inflate": 24 candidates
main debug: no stream_filter modules matched
prefetch debug: end of stream
main debug: removing module "prefetch"
main debug: removing module "access"
main debug: looking for xml reader module matching "any": 1 candidates
main debug: using xml reader module "xml"
adaptive debug: MPD profile=urn:mpeg:dash:profile:isoff-live:2011 mediaPresentationDuration=0 minBufferTime=2
adaptive debug: BaseUrl=http://192.168.0.181:81/300/
adaptive debug: Period
adaptive debug: BaseAdaptationSet 0
adaptive debug: Representation 0 [mp4a]
adaptive debug: InitSegmentTemplate #0 url=http://192.168.0.181:81/300/audio/0/audio_4.mp4 duration 0
adaptive debug: SegmentTemplate #13 url=http://192.168.0.181:81/300/audio/0/$Time$.m4s duration 0
...


    


    keep getting a similar message

    


    This is played on vlc. this is duration 10 sec. but I want to live streaming duration 5 under.
cuda, framerate, GOP size and bitrate are fixed.

    


    I know that is inefficient. but now, I have to live stream channel multiview duration 5 under. How can I achieve ? please help me.

    


  • CJEU rules US cloud servers don’t comply with GDPR and what this means for web analytics

    17 juillet 2020, par Jake Thornton

    Breaking news : On July 16, 2020, the Court of Justice of the European Union (CJEU) has ruled that any cloud services hosted in the US are incapable of complying with the GDPR and EU privacy laws.

    In August 2016, the EU-US Privacy Shield framework came into effect, which “protects the fundamental rights of anyone in the EU whose personal data is transferred to the United States for commercial purposes. It allows the free transfer of data to companies that are certified in the US under the Privacy Shield.” – European Commission website

    However after today’s CJEU ruling, this Privacy Shield framework became invalidated due to significant differences between EU and US privacy laws.

    European privacy law activist Max Schrems summarises with “The Court clarified for a second time now that there is a clash between EU privacy law and US surveillance law. As the EU will not change its fundamental rights to please the NSA, the only way to overcome this clash is for the US to introduce solid privacy rights for all people – including foreigners. Surveillance reform thereby becomes crucial for the business interests of Silicon Valley.” – noyb website

    Today’s ruling also continues to spark concern into the legitimacy of US privacy laws which doesn’t fully protect people’s personal data when hosted on cloud servers based in the US.

    Web analytics hosted on US cloud servers don’t comply with GDPR

    How will this affect you ?

    For any business operating a website in the EU or if you have traffic coming to your website from EU visitors, you need to know what data you’re capturing and where this data is being stored.

    Here’s what Maja Smoltczyk (Berlin’s Commissioner for Data Protection and Freedom of Information) says :

    Controllers who transfer personal data to the USA, especially when using cloud-based services, are now required to switch immediately to service providers based in the European Union or a country that can
    ensure an adequate level of data protection.     The CJEU has made it refreshingly clear that data exports are not just financial decisions, as people’s fundamental rights must also be considered as a matter of priority. This ruling will put
    an end to the transfer of personal data to the USA     for the sake of convenience or to cut costs.

    The controller is you (not Google) and by transferring data to the US you are at risk of being fined up to €20 million or 4% of your annual worldwide turnover for not being GDPR compliant. 

    It’s you who has to take action, not Google or other US companies. The court’s decision has immediate effect. While we assume there will be a grace period, companies should act now as finding and implementing alternatives solution can take a while. 

    Can no data be exported outside the EU anymore ?

    Data can still be exported outside the EU if an adequate level of data protection is guaranteed. This is the case for some trading partners of the EU such as New Zealand, Japan, Switzerland, and Canada. They have been certified by the EU as having a comparable level of privacy protection and therefore demonstrate adequacy at a country level.

    Necessary data can still flow to countries like the US too. This is for example the case when someone books a hotel in the US or when sending an email to someone in the US. Backups for disaster recovery and most other reasons don’t qualify as necessary.

    In all other cases you can still send data to countries like the US if you get explicit and informed consent from a user. Meaning the user has been informed about all possible risks of sending the data to the US and who can access the data (for example the US government).

    How this affects Google Analytics and Google Tag Manager users

    If your website is using Google Analytics, the safest bet is to deactivate it immediately. Otherwise, you must ask for consent from everyone who visits your website and inform them that the data will be processed in the United States under less strict privacy laws and all associated risks. If you don’t, you could be liable to privacy law infringements and face being fined for not complying with the GDPR. This also applies to Google Tag Manager as it transfers the IP address to the US which is considered personal data under the GDPR.

    Consent needs to be :

    • Freely given (the user must have a choice to not give consent and be able to opt out at any time) 
    • Informed (you need to disclose who is processing the data, what data is processed, where the data will be stored and how to opt out) 
    • Specific (consent is only valid for the specific informed purpose) 
    • Unambiguous (for example pre-ticked boxes or similar aren’t allowed)
    Web analytics that complies with GDPR

    If users don’t give you consent, you are not allowed to track them using Google Analytics or any other US based cloud solution.

    Update August 19, 2020

    A month after this ruling, over 100 complaints have been filed against websites for continuing to send data to the US via Google Analytics or Facebook, by the European privacy campaign group noyb. It’s clear Google and Facebook fall under US surveillance laws such as FISA 702 and the court clearly ruled these companies cannot rely on SCCs to transfer data to the US. Anyone still using Google Analytics is now at risk of facing fines and compensation damages. 

    How this affects Matomo users

    Our cloud servers are based in Germany.

    Matomo On-Premise users choose the location of their data themselves. If the servers are located in the EU nothing changes. If the servers are located outside the EU and the website targets EU users and tracks personal data, then you need to assess whether you are required to ask for tracking consent.

    If the data is stored inside the EU you can use Matomo without asking for any consent and you can continue tracking users even if they reject a consent screen which greatly increases the quality of your data.

    Want to avoid informing users about transferring their data to the US and all associated risks ?

    Try Matomo now for free ! No credit card required.

    Download Matomo

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