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• How to download part of videojs live stream with ffmpeg ?

  13 octobre 2022, par CptanPanic

  I would like to be able to save 10-20 seconds of a livestream site that uses videojs, but due to it using videojs, it isn't as simple as finding the m3u8 file to stream. Any ideas ?

  


  An example stream is https://www.cityoffortpierce.com/823/Jetty-Inlet-Webcam

  


• Download M3U8 That Is Playable

  15 octobre 2022, par Devin Dixon

  I am trying to download a livestream from this traffic camera source : https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/playlist.m3u8

  


  The ffmpeg I am using is :

  


  ffmpeg -i https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/playlist.m3u8 -preset slow -codec:a libfdk_aac -b:a 128k -codec:v libx264 -pix_fmt yuv420p -b:v 4500k -minrate 4500k -maxrate 9000k -bufsize 9000k -vf scale=-1:720 test.mp4


  


  And here are the logs when I quit the recording :

  


  ffmpeg version 5.0.1 Copyright (c) 2000-2022 the FFmpeg developers
  built with Apple clang version 13.1.6 (clang-1316.0.21.2)
  configuration: --prefix=/opt/homebrew/Cellar/ffmpeg/5.0.1 --enable-shared --enable-pthreads --enable-version3 --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libdav1d --enable-libmp3lame --enable-libopus --enable-librav1e --enable-librist --enable-librubberband --enable-libsnappy --enable-libsrt --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-neon
  libavutil      57. 17.100 / 57. 17.100
  libavcodec     59. 18.100 / 59. 18.100
  libavformat    59. 16.100 / 59. 16.100
  libavdevice    59.  4.100 / 59.  4.100
  libavfilter     8. 24.100 /  8. 24.100
  libswscale      6.  4.100 /  6.  4.100
  libswresample   4.  3.100 /  4.  3.100
  libpostproc    56.  3.100 / 56.  3.100
[hls @ 0x1417050e0] Skip ('#EXT-X-VERSION:3')
[hls @ 0x1417050e0] Opening 'https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/chunklist_w259023283.m3u8' for reading
[hls @ 0x1417050e0] Skip ('#EXT-X-VERSION:3')
[hls @ 0x1417050e0] Skip ('#EXT-X-DISCONTINUITY-SEQUENCE:0')
[hls @ 0x1417050e0] Opening 'https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/media_w259023283_61526.ts' for reading
[hls @ 0x1417050e0] Opening 'https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/media_w259023283_61527.ts' for reading
Input #0, hls, from 'https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/playlist.m3u8':
  Duration: N/A, start: 65276.905822, bitrate: N/A
  Program 0 
    Metadata:
      variant_bitrate : 142637
  Stream #0:0: Data: timed_id3 (ID3  / 0x20334449)
    Metadata:
      variant_bitrate : 142637
  Stream #0:1: Video: h264 (Baseline) ([27][0][0][0] / 0x001B), yuvj420p(pc, bt709), 480x270 [SAR 1:1 DAR 16:9], 15 fps, 15 tbr, 90k tbn
    Metadata:
      variant_bitrate : 142637
Stream mapping:
  Stream #0:1 -> #0:0 (h264 (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[swscaler @ 0x120248000] [swscaler @ 0x120258000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x120278000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x120288000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x120298000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x1202a8000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x1202b8000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x1202c8000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x1202d8000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x1202e8000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x1202f8000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x120308000] deprecated pixel format used, make sure you did set range correctly
[libx264 @ 0x14169ff30] using SAR=1/1
[libx264 @ 0x14169ff30] using cpu capabilities: ARMv8 NEON
[libx264 @ 0x14169ff30] profile High, level 3.1, 4:2:0, 8-bit
[libx264 @ 0x14169ff30] 264 - core 163 r3060 5db6aa6 - H.264/MPEG-4 AVC codec - Copyleft 2003-2021 - http://www.videolan.org/x264.html - options: cabac=1 ref=5 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=8 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=2 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=15 lookahead_threads=2 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=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=15 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=abr mbtree=1 bitrate=4500 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=9000 vbv_bufsize=9000 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'test.mp4':
  Metadata:
    encoder         : Lavf59.16.100
  Stream #0:0: Video: h264 (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 4500 kb/s, 15 fps, 15360 tbn
    Metadata:
      variant_bitrate : 142637
      encoder         : Lavc59.18.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 9000000/0/4500000 buffer size: 9000000 vbv_delay: N/A
[https @ 0x13201ce00] Opening 'https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/media_w259023283_61528.ts' for reading
[https @ 0x131814200] Opening 'https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/chunklist_w259023283.m3u8' for reading
[hls @ 0x1417050e0] Skip ('#EXT-X-VERSION:3')
[hls @ 0x1417050e0] Skip ('#EXT-X-DISCONTINUITY-SEQUENCE:0')
[https @ 0x131814200] Opening 'https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/chunklist_w259023283.m3u8' for reading
[hls @ 0x1417050e0] Skip ('#EXT-X-VERSION:3')
[hls @ 0x1417050e0] Skip ('#EXT-X-DISCONTINUITY-SEQUENCE:0')
[https @ 0x13201ce00] Opening 'https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/media_w259023283_61529.ts' for reading
[tls @ 0x131606060] Error in the pull function.
[tls @ 0x131606060] IO error: End of file
[hls @ 0x1417050e0] Opening 'https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/media_w259023283_61529.ts' for reading
^Cav_interleaved_write_frame(): Immediate exit requested93 bitrate=4697.0kbits/s speed=1.77x    
Error writing trailer of test.mp4: Immediate exit requested
frame=  610 fps= 23 q=4.0 Lsize=   20224kB time=00:00:36.13 bitrate=4585.1kbits/s speed=1.35x    
video:20500kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
Error closing file test.mp4: Immediate exit requested
[libx264 @ 0x14169ff30] frame I:3     Avg QP: 2.13  size:192240
[libx264 @ 0x14169ff30] frame P:156   Avg QP: 0.44  size: 66488
[libx264 @ 0x14169ff30] frame B:451   Avg QP: 1.32  size: 28629
[libx264 @ 0x14169ff30] consecutive B-frames:  1.1%  0.3%  1.5% 97.0%
[libx264 @ 0x14169ff30] mb I  I16..4: 21.7% 26.6% 51.7%
[libx264 @ 0x14169ff30] mb P  I16..4:  2.9%  3.1% 11.0%  P16..4:  9.3%  4.1%  3.4%  0.0%  0.0%    skip:66.1%
[libx264 @ 0x14169ff30] mb B  I16..4:  0.1%  0.4%  1.6%  B16..8: 14.6%  4.0%  2.1%  direct: 3.2%  skip:73.9%  L0:53.1% L1:41.6% BI: 5.3%
[libx264 @ 0x14169ff30] final ratefactor: -0.00
[libx264 @ 0x14169ff30] 8x8 transform intra:19.0% inter:11.1%
[libx264 @ 0x14169ff30] direct mvs  spatial:98.2% temporal:1.8%
[libx264 @ 0x14169ff30] coded y,uvDC,uvAC intra: 91.5% 77.2% 76.6% inter: 11.8% 12.2% 11.9%
[libx264 @ 0x14169ff30] i16 v,h,dc,p: 17% 54% 10% 19%
[libx264 @ 0x14169ff30] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 42% 15%  3%  5%  3%  7%  3%  6%
[libx264 @ 0x14169ff30] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 32% 13%  5%  9%  5%  9%  4%  7%
[libx264 @ 0x14169ff30] i8c dc,h,v,p: 38% 44% 13%  5%
[libx264 @ 0x14169ff30] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x14169ff30] ref P L0: 83.7%  3.3%  8.8%  2.4%  1.8%  0.0%
[libx264 @ 0x14169ff30] ref B L0: 79.9% 19.0%  0.8%  0.3%
[libx264 @ 0x14169ff30] ref B L1: 99.0%  1.0%
[libx264 @ 0x14169ff30] kb/s:4693.84
Exiting normally, received signal 2.


  


  Except the video doesn't seem to be playable by VLC or Quicktime. Given that the stream can end at any moment thus ending the file, how do I make the file actually playable ?

  


• How to download an https live stream m3u8 file on mac ?

  16 octobre 2022, par Raghav

  How do I download an m3u8 file from live streaming source on a mac. I do not want to lose any frame or bitrate or compromise on quality at all. I want audio and video to be in perfect sync like they are on the browser and want to save file as mkv or mpv extension. I browsed the internet and found out about ffmpeg but I do not know the exact way to do that without compromising on quality

  


  Would really love any help here