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• Is there any possibility to transcode a h264 hls/m3u8 live stream into another HEVC (h265) hls/m3u8 live stream using FFmpeg in real time ?

  2 septembre 2024, par Ghenadie Pripa

  The command I used :

  


  ffmpeg -i  https://tezaurtv.md/wp-content/uploads/live/index.m3u8 -c:v libx265 -b:v 1500k -tag:v hvc1 -c:a aac -b:a 128k -f hls -hls_time 10 -hls_list_size 10 -hls_flags delete_segments+append_list+program_date_time -hls_playlist_type event -hls_segment_type mpegts -hls_segment_filename "D:/BRUT/HLS/test/stream_%d.ts" -vsync 2 -rtbufsize 500M -loglevel debug D:/BRUT/HLS/test/stream.m3u8


  


  I tried a lot of commands and parameters but nothing helps. The experiment is on local Windows. Transcode with ffmpeg and play with FFplay.

  


  The problem is the following : After I start stream.m3u8 to play after a few seconds the picture and sound stops. What is wrong in the FFmpeg command ?

  


  ffmpeg version 7.0.2-full_build-www.gyan.dev Copyright (c) 2000-2024 the FFmpeg developers
  built with gcc 13.2.0 (Rev5, Built by MSYS2 project)


  


  ffplay version 7.0.2-full_build-www.gyan.dev Copyright (c) 2003-2024 the FFmpeg developers
  built with gcc 13.2.0 (Rev5, Built by MSYS2 project)


  


  An error from FFplay :

  


  [hevc @ 0000023d8c320940] Output frame with POC 239.
[hevc @ 0000023d8c320940] Decoded frame with POC 241.
[hevc @ 0000023d8c320e40] nal_unit_type: 35(AUD), nuh_layer_id: 0, temporal_id: 0
[hevc @ 0000023d8c320e40] nal_unit_type: 0(TRAIL_N), nuh_layer_id: 0, temporal_id: 0
[hevc @ 0000023d8c320e40] Output frame with POC 240.
[hevc @ 0000023d8c320e40] Decoded frame with POC 240.
[hevc @ 0000023d855aae80] nal_unit_type: 35(AUD), nuh_layer_id: 0, temporal_id: 0
[hevc @ 0000023d855aae80] nal_unit_type: 0(TRAIL_N), nuh_layer_id: 0, temporal_id: 0
[hevc @ 0000023d855aae80] Output frame with POC 241.
[hevc @ 0000023d855aae80] Decoded frame with POC 242.
[hevc @ 0000023d8c2cab40] nal_unit_type: 35(AUD), nuh_layer_id: 0, temporal_id: 0
[hevc @ 0000023d8c2cab40] nal_unit_type: 1(TRAIL_R), nuh_layer_id: 0, temporal_id: 0
[hevc @ 0000023d8c2cab40] Output frame with POC 242.
[hevc @ 0000023d8c2cab40] Decoded frame with POC 247.
[hevc @ 0000023d8c2da9c0] nal_unit_type: 35(AUD), nuh_layer_id: 0, temporal_id: 0
[hevc @ 0000023d8c2da9c0] nal_unit_type: 1(TRAIL_R), nuh_layer_id: 0, temporal_id: 0
[hevc @ 0000023d8c2da9c0] Output frame with POC 243.
[hevc @ 0000023d8c2da9c0] Decoded frame with POC 245.
[hls @ 0000023d85544b80] Opening 'D:\BRUT\HLS\test\stream.m3u8' for reading
[hls @ 0000023d85544b80] Skip ('#EXT-X-VERSION:3')
[hls @ 0000023d85544b80] Skip ('#EXT-X-DISCONTINUITY')
[hls @ 0000023d85544b80] Skip ('#EXT-X-PROGRAM-DATE-TIME:2024-08-30T16:29:28.175+0300')
[AVIOContext @ 0000023d8c327040] Statistics: 207 bytes read, 0 seeks
[hls @ 0000023d85544b80] Opening 'D:\BRUT\HLS\test\stream.m3u8' for reading
[hls @ 0000023d85544b80] Skip ('#EXT-X-VERSION:3')sq=    0B
[hls @ 0000023d85544b80] Skip ('#EXT-X-DISCONTINUITY')
[hls @ 0000023d85544b80] Skip ('#EXT-X-PROGRAM-DATE-TIME:2024-08-30T16:29:28.175+0300')
[AVIOContext @ 0000023d8c326980] Statistics: 207 bytes read, 0 seeks
[hls @ 0000023d85544b80] Opening 'D:\BRUT\HLS\test\stream.m3u8' for reading
[hls @ 0000023d85544b80] Skip ('#EXT-X-VERSION:3')
[hls @ 0000023d85544b80] Skip ('#EXT-X-DISCONTINUITY')
[hls @ 0000023d85544b80] Skip ('#EXT-X-PROGRAM-DATE-TIME:2024-08-30T16:29:28.175+0300')
[AVIOContext @ 0000023d8c326f00] Statistics: 207 bytes read, 0 seeks
  11.30 A-V:-18.499 fd=   3 aq=    0KB vq=    0KB sq=    0B


  


  I tried to transcode in real time hls h264 to hls 265.

  


• Scroll one image top to bottom

  17 septembre 2018, par Cyber

  I am trying to scroll an image top to bottom like this video :
  https://youtu.be/8GCrrsiBLzs

  And here’s what I tried

  ffmpeg -loop 1 -t 24 -i "image.jpg" -filter_complex "color=000000:s=640x360[bg]; [bg][0]overlay=shortest=1:y='min(0,-(t)*26)'" -y out6.mp4

  But video didn’t created, ffmpeg close immediately and returns following results :

  ffmpeg version N-91960-g63c69d51c7 Copyright (c) 2000-2018 the FFmpeg developers
  
    built with gcc 8.2.1 (GCC) 20180813
  
    configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
  
    libavutil      56. 19.101 / 56. 19.101
  
    libavcodec     58. 30.100 / 58. 30.100
  
    libavformat    58. 18.101 / 58. 18.101
  
    libavdevice    58.  4.103 / 58.  4.103
  
    libavfilter     7. 31.100 /  7. 31.100
  
    libswscale      5.  2.100 /  5.  2.100
  
    libswresample   3.  2.100 /  3.  2.100
  
    libpostproc    55.  2.100 / 55.  2.100
  
  Input #0, image2, from 'image.jpg':
  
    Duration: 00:00:00.04, start: 0.000000, bitrate: 134122 kb/s
  
      Stream #0:0: Video: mjpeg, yuvj420p(pc, bt470bg/unknown/unknown), 1280x1920 [SAR 96:96 DAR 2:3], 25 fps, 25 tbr, 25 tbn, 25 tbc
  
  Stream mapping:
  
    Stream #0:0 (mjpeg) -> overlay:overlay
  
    overlay -> Stream #0:0 (libx264)
  
  Press [q] to stop, [?] for help
  
  [swscaler @ 000001a855f90100] deprecated pixel format used, make sure you did set range correctly
  
  [libx264 @ 000001a856483200] using SAR=1/1
  
  [libx264 @ 000001a856483200] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
  
  [libx264 @ 000001a856483200] profile High, level 3.0, 4:2:0, 8-bit
  
  [libx264 @ 000001a856483200] 264 - core 157 r2932 303c484 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - 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=11 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 'out6.mp4':
  
    Metadata:
  
      encoder         : Lavf58.18.101
  
      Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], q=-1--1, 25 fps, 12800 tbn, 25 tbc
  
      Metadata:
  
        encoder         : Lavc58.30.100 libx264
  
      Side data:
  
        cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1

• G.I. Joe Custom Multimedia

  30 mars 2012, par Multimedia Mike — General

  I received this 3-disc set of G.I. Joe CD-ROMs today :

  
  
  

  Copyright 2003, and labeled as PC ONLY. Each disc claims to have 2 episodes. So are these some sort of video discs ? Any gaming elements ? I dove in to investigate.

  So, it turns out that there are some games on these discs, done in Flash Player (which tells me that these were probably available on the web at some point). Here’s a shooting gallery game from the first disc :

  
  
  

  As promised by the CD-ROM copy, the menu does grant access to 2 classic G.I. Joe episodes. Selecting either one launches this :

  
  
  

  Powered by C-ezy ? Am I interpreting that correctly ? Anyway, the video player goes fullscreen and looks fine (given the source material). I can’t capture screenshots and controls are limited to : space for pause, ESC to exit player, and up/down to control volume. No seeking and certainly no onscreen controls. Pretty awful player.

  Studying the first disc, I find a 550 MB file with the name 5859Hasbro.egm. Coupled with ep58.cfg and ep59.cfg files in the same directory, I gather that the disc has G.I. Joe episodes 58 and 59 (though the exact episodes, “There’s No Place Like Springfield” parts 1 and 2, are listed on Wikipedia as being episodes 154 and 155 ; but who’s counting ?). The cfg files contain this text :

  ep58.cfg :
  EGM_GIJOE.exe
  5859Hasbro.egm /noend /track:0 /singletrack
  ep59.cfg :
  
  EGM_GIJOE.exe
  
  5859Hasbro.egm /noend /track:1 /singletrack
  

  The big EGM file starts with the string “Egenie Player”. After that, I see absolutely no clues. The supporting EGM_GIJOE.exe file has some interesting strings : “Decore Bits Per Pixel” (I know I have seen “Decore” used to mean “decoding core” in some libraries), “Egenie Player – %s, Version :%s”, “4th June 2002″, a list of common FourCC tags seen in AVI files, “Brought to you by Martin, Patrick Bob and Bren” (do you suppose “Patrick Bob” is one person’s name ?), a list of command line options…

  Aha ! A URL : http:\www.e-genie.tv (yep, backslashes, not forward slashes). e-genie.tv seems to redirect to mygenie.tv, which… doesn’t appear to be strictly related to video technology these days.