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• Rotate 360 video with ffmpeg

  9 septembre 2019, par Leos Literak

  I have 360° video and I want to fine tune its orientation with ffmpeg. I need to rotate it by 90° clockwise horizontally (turn it left). I found some helpful resources stating that the rotate filter would do the trick. So I tried :

  ffmpeg -i Petr_doskok.mp4 -vf "scale=2048x1024,rotate=-PI/2"  -r 30 -c:v libx265 -b:v 15M -pix_fmt yuv420p -c:a aac -b:a 192K Petr_doskok_rotated.mp4
  
  ffmpeg version 4.1.3 Copyright (c) 2000-2019 the FFmpeg developers
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Petr_doskok.mp4':
  
  Metadata:
  
  major_brand     : isom
  
  minor_version   : 512
  
  compatible_brands: isomiso2avc1mp41
  
  encoder         : Lavf58.20.100
  
  Duration: 00:00:29.06, start: 0.000000, bitrate: 58095 kb/s
  
  Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 4096x2048, 57948 kb/s, SAR 1:1 DAR 2:1, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
  
  Metadata:
  
    handler_name    : VideoHandler
  
  Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 184 kb/s (default)
  
  Metadata:
  
    handler_name    : SoundHandler
  
  Stream mapping:
  
   Stream #0:0 -> #0:0 (h264 (native) -> hevc (libx265))
  
   Stream #0:1 -> #0:1 (aac (native) -> aac (native))
  
  x265 [info]: Slices                              : 1
  
  x265 [info]: Residual QT: max TU size, max depth : 32 / 1 inter / 1 intra
  
  x265 [info]: ME / range / subpel / merge         : hex / 57 / 2 / 2
  
  x265 [info]: Keyframe min / max / scenecut / bias: 25 / 250 / 40 / 5.00
  
  x265 [info]: Lookahead / bframes / badapt        : 20 / 4 / 2
  
  x265 [info]: b-pyramid / weightp / weightb       : 1 / 1 / 0
  
  x265 [info]: References / ref-limit  cu / depth  : 3 / on / on
  
  x265 [info]: AQ: mode / str / qg-size / cu-tree  : 2 / 1.0 / 32 / 1
  
  x265 [info]: Rate Control / qCompress            : ABR-15000 kbps / 0.60
  
  x265 [info]: tools: rd=3 psy-rd=2.00 rskip signhide tmvp strong-intra-smoothing
  
  x265 [info]: tools: lslices=6 deblock sao
  
  Output #0, mp4, to 'Petr_doskok_rotated.mp4':
  
  Metadata:
  
  major_brand     : isom
  
  minor_version   : 512
  
  compatible_brands: isomiso2avc1mp41
  
  encoder         : Lavf58.20.100
  
  Stream #0:0(und): Video: hevc (libx265) (hev1 / 0x31766568), yuv420p, 2048x1024 [SAR 1:1 DAR 2:1], q=2-31, 15000 kb/s, 30 fps, 15360 tbn, 30 tbc (default)
  
  Metadata:
  
    handler_name    : VideoHandler
  
    encoder         : Lavc58.35.100 libx265
  
  Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 192 kb/s (default)
  
  Metadata:
  
    handler_name    : SoundHandler
  
    encoder         : Lavc58.35.100 aac
  
  frame=  841 fps=9.8 q=-0.0 Lsize=   54721kB time=00:00:28.03     bitrate=15991.5kbits/s speed=0.326x
  
  video:54028kB audio:659kB subtitle:0kB other streams:0kB global headers:2kB muxing overhead: 0.062856%
  
  x265 [info]: frame I:      4, Avg QP:15.99  kb/s: 39026.34
  
  x265 [info]: frame P:    214, Avg QP:16.15  kb/s: 30083.41
  
  x265 [info]: frame B:    623, Avg QP:19.72  kb/s: 10727.28
  
  x265 [info]: Weighted P-Frames: Y:0.0% UV:0.0%
  
  x265 [info]: consecutive B-frames: 0.5% 0.9% 17.9% 73.9% 6.9%
  
  
  
  encoded 841 frames in 86.02s (9.78 fps), 15787.22 kb/s, Avg QP:18.80
  
  [aac @ 000001faa3ead7c0] Qavg: 289.921

  Well, the video was really rotated - vertically ! The documentation does not reference the 360° video production : http://ffmpeg.org/ffmpeg-filters.html#rotate. What is the correct parameter value for my case ?

• FFMPEG Streaming webcam on Windows 10 to RTP

  23 juillet 2019, par gdogg371

  I am still trying to figure out exactly what I am doing with ffmpeg and dshow. However I am trying to stream a 4k capture device I have, so that I can use this as an IPTV server downstream.

  So far I have :

  ffmpeg -rtbufsize 2100M -y -loglevel warning -f dshow -i video="Video (00 Pro Capture HDMI 4K+)" -s 3840x2160 -vcodec v410 -f rtp rtp://192.168.1.31:8554

  ...however this is throwing up the following errors :

  C:\Program Files\VideoLAN\VLC>ffmpeg -rtbufsize 2100M -y -loglevel warning -f dshow -i video="Video (00 Pro Capture HDMI 4K+)" -s 3840x2160 -vcodec libx265 -f rtp rtp://192.168.1.31:8554
  
  [udp @ 000002c207a7d080] 'circular_buffer_size' option was set but it is not supported on this build (pthread support is required)
  
  [udp @ 000002c207a8d380] 'circular_buffer_size' option was set but it is not supported on this build (pthread support is required)
  
  x265 [info]: HEVC encoder version 3.1b36c03e4e771
  
  x265 [info]: build info [Windows][GCC 9.1.1][64 bit] 8bit+10bit
  
  x265 [info]: using cpu capabilities: MMX2 SSE2Fast LZCNT SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
  
  x265 [info]: Main 4:2:2 10 profile, Level-5.1 (Main tier)
  
  x265 [info]: Thread pool created using 8 threads
  
  x265 [info]: Slices                              : 1
  
  x265 [info]: frame threads / pool features       : 3 / wpp(34 rows)
  
  x265 [info]: Coding QT: max CU size, min CU size : 64 / 8
  
  x265 [info]: Residual QT: max TU size, max depth : 32 / 1 inter / 1 intra
  
  x265 [info]: ME / range / subpel / merge         : hex / 57 / 2 / 3
  
  x265 [info]: Keyframe min / max / scenecut / bias: 25 / 250 / 40 / 5.00
  
  x265 [info]: Lookahead / bframes / badapt        : 20 / 4 / 2
  
  x265 [info]: b-pyramid / weightp / weightb       : 1 / 1 / 0
  
  x265 [info]: References / ref-limit  cu / depth  : 3 / off / on
  
  x265 [info]: AQ: mode / str / qg-size / cu-tree  : 2 / 1.0 / 32 / 1
  
  x265 [info]: Rate Control / qCompress            : CRF-28.0 / 0.60
  
  x265 [info]: tools: rd=3 psy-rd=2.00 early-skip rskip signhide tmvp b-intra
  
  x265 [info]: tools: strong-intra-smoothing lslices=8 deblock sao
  
  SDP:
  
  v=0
  
  o=- 0 0 IN IP4 127.0.0.1
  
  s=No Name
  
  c=IN IP4 192.168.1.31
  
  t=0 0
  
  a=tool:libavformat 58.28.100
  
  m=video 8554 RTP/AVP 96
  
  a=rtpmap:96 H265/90000
  
  
  
  [dshow @ 000002c207a69f80] real-time buffer [Video (00 Pro Capture HDMI 4K+)] [video input] too full or near too full (62% of size: 2100000000 [rtbufsize parameter])! frame dropped!
  
  [dshow @ 000002c207a69f80] real-time buffer [Video (00 Pro Capture HDMI 4K+)] [video input] too full or near too full (64% of size: 2100000000 [rtbufsize parameter])! frame dropped!
  
  [dshow @ 000002c207a69f80] real-time buffer [Video (00 Pro Capture HDMI 4K+)] [video input] too full or near too full (67% of size: 2100000000 [rtbufsize parameter])! frame dropped!
  
  ...
  
  ...
  
  ...
  
  [dshow @ 000002c207a69f80] real-time buffer [Video (00 Pro Capture HDMI 4K+)] [video input] too full or near too full (99% of size: 2100000000 [rtbufsize parameter])! frame dropped!
  
      Last message repeated 1 times
  
  [dshow @ 000002c207a69f80] real-time buffer [Video (00 Pro Capture HDMI 4K+)] [video input] too full or near too full (100% of size: 2100000000 [rtbufsize parameter])! frame dropped!
  
      Last message repeated 149 times
  
  [dshow @ 000002c207a69f80] real-time buffer [Video (00 Pro Capture HDMI 4K+)] [video input] too full or near too full (99% of size: 2100000000 [rtbufsize parameter])! frame dropped!
  
  [dshow @ 000002c207a69f80] real-time buffer [Video (00 Pro Capture HDMI 4K+)] [video input] too full or near too full (100% of size: 2100000000 [rtbufsize parameter])! frame dropped!

  I am unsure why this occurring, as the buffer size is pretty much at the maximum permitted by dshow.

  Can anyone suggest a remedy ?

  Thanks

• Revision 30796 : On passe en version 0.6 avec tout le code revu et plus ou moins corrigé

  10 août 2009, par kent1@… — Log

  On passe en version 0.6 avec tout le code revu et plus ou moins corrigé