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    <div class="moz-cite-prefix">Den 20.12.2024 17:27, skrev Андрей
      Спицын via Cin:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAEHHY6L+2CLY62NnEQ7Mit5Ohr6qxBDERNTC3YYczJg1VuAECg@mail.gmail.com">
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          <div>><span style="font-size:12.8px">Cingg then should
              supports NVENC via some dynamic linked external Nvidia lib</span></div>
          <div><br>
          </div>
          <div dir="auto">Nvenc supported in ffmpeg, but you need to add
            nvidia headers and add a flag during ffmpeg configuration
            step.</div>
          <div dir="auto"><br>
          </div>
          <div dir="auto">The friend of mine tested davinci and ffmpeg
            encoding on nvidia card on windows. The davinci is 7 times
            faster compared to ffmpeg. In both cases nvenc is used and
            card used by 100%. I don't know the reason of this.</div>
        </div>
      </div>
    </blockquote>
    <br>
    Not sure why h264_nvenc works and not h265_nvenc in Cingg.<br>
    <br>
    Quality/speed may differ with different profiles/presets in use,
    though 7x was much<br>
    .<br>
    <br>
    <blockquote type="cite"
cite="mid:CAEHHY6L+2CLY62NnEQ7Mit5Ohr6qxBDERNTC3YYczJg1VuAECg@mail.gmail.com">
      <div dir="auto">
        <div>
          <div data-smartmail="gmail_signature"><br>
          </div>
          <br>
          <div class="gmail_quote gmail_quote_container">
            <div dir="ltr" class="gmail_attr">пт, 20 дек. 2024 г., 19:20
              Terje J. Hanssen via Cin <<a
                href="mailto:cin@lists.cinelerra-gg.org"
                moz-do-not-send="true" class="moz-txt-link-freetext">cin@lists.cinelerra-gg.org</a>>:<br>
            </div>
            <blockquote class="gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
              <div> Continued and extracted from <br>
                [Cin] Video accelerators support, builds and use<br>
                <a
href="https://lists.cinelerra-gg.org/pipermail/cin/2024-December/009226.html"
                  target="_blank" rel="noreferrer"
                  moz-do-not-send="true" class="moz-txt-link-freetext">https://lists.cinelerra-gg.org/pipermail/cin/2024-December/009226.html</a><br>
                <br>
                <div>Den 12.12.2024 00:54, skrev Terje J. Hanssen:<br>
                </div>
                <blockquote type="cite"> <br>
                  <div>Den 11.12.2024 23:56, skrev Andrew Randrianasulu:<br>
                  </div>
                  <blockquote type="cite">
                    <div dir="auto">
                      <div><br>
                        <div class="gmail_quote">
                          <div dir="ltr" class="gmail_attr">чт, 12 дек.
                            2024 г., 00:43 Terje J. Hanssen via Cin <<a
                              href="mailto:cin@lists.cinelerra-gg.org"
                              target="_blank" rel="noreferrer"
                              moz-do-not-send="true"
                              class="moz-txt-link-freetext">cin@lists.cinelerra-gg.org</a>>:<br>
                          </div>
                          <blockquote class="gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
                            <div> To clarify some pieces once again, I
                              put up some basic statements or questions:<br>
                              <br>
                            </div>
                          </blockquote>
                        </div>
                      </div>
                    </div>
                  </blockquote>
                </blockquote>
                ..........snip<br>
                <blockquote type="cite">
                  <blockquote type="cite">
                    <div dir="auto">
                      <div>
                        <div class="gmail_quote">
                          <blockquote class="gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
                            <div>
                              <div dir="auto">
                                <div class="gmail_quote">
                                  <blockquote class="gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
                                    <div> <br>
                                      So what happened when adding
                                      oneVPL (qsv) support to the build
                                      system; dynamic linked to system
                                      or static added embedded into the
                                      build?<br>
                                    </div>
                                  </blockquote>
                                </div>
                              </div>
                              <div dir="auto"><br>
                              </div>
                              <div dir="auto">dynamic</div>
                              <div dir="auto"><br>
                              </div>
                              .....snip
                              <div dir="auto"><br>
                              </div>
                              <div dir="auto">
                                <div class="gmail_quote">
                                  <blockquote class="gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
                                    <div> Could in principle similar
                                      methods be extended to include
                                      broader video acceleration support
                                      for AMD/amf and NVIDIA/nvenc?<br>
                                    </div>
                                  </blockquote>
                                </div>
                              </div>
                              <div dir="auto"><br>
                              </div>
                              <div dir="auto">nvenc already supported, I
                                think? At some point I tried it with
                                GF710 on livedvd and it was working for
                                me. try to test it if you have
                                proprietary nvidia drivers.</div>
                            </div>
                          </blockquote>
                        </div>
                      </div>
                    </div>
                  </blockquote>
                </blockquote>
                <br>
                Apparently Cingg then should supports NVENC via some
                dynamic linked external Nvidia lib, equivalent to what
                we did for for QSV via oneVPL support.<br>
                While h264_nvenc.mp4 rendering works, h265_nvenc.mp4
                fails with the following errors, see detail below:<br>
                <br>
                <font face="Courier New, Courier, monospace">[hevc_nvenc
                  @ 0x7ff79c015640] No capable devices found<br>
                  FFMPEG::open_encoder  err: Generic error in an
                  external library</font><br>
                <br>
                <br>
                <blockquote type="cite"><br>
                  Yes, seemingly:<br>
                  Cin/bin/ffmpeg/video> ls *nvenc*<br>
                  h264_nvenc.mp4  h264_nvenc.qt  h265_nvenc.mp4<br>
                </blockquote>
                <br>
                NVENC Presets<br>
                <br>
                <font face="Courier New, Courier, monospace">cat
                  h264_nvenc.mp4<br>
                  mp4 h264_nvenc<br>
                  # encode for nvidia graphics hw only<br>
                  preset medium<br>
                  profile main<br>
                  <br>
                  cat h265_nvenc.mp4<br>
                  mp4 hevc_nvenc<br>
                  # encode for nvidia graphics hw only<br>
                  preset medium<br>
                  profile main</font><br>
                <br>
                <blockquote type="cite"> <br>
                  Maybe I can do an attempt later, if I get life in the
                  old GeForce GTX 960 in my Skylake workstation.<br>
                  <br>
                </blockquote>
                <br>
                Setup<br>
                ----------<br>
                Booted BIOS and checked that the integrated Intel gpu
                and multimonitor setup were  enabled.  <br>
                Installed the suse-prime package for <font
                  face="Courier New, Courier, monospace">nvidia/intel
                  gpu selection (for NVIDIA optimus laptops with
                  bbswitch support) and could then run the command<br>
                  <br>
                  prime-select on-demand<br>
                  <br>
                  and verified that both the Intel and Nvidia drivers
                  were available<br>
                  <br>
                  inxi -G<br>
                  Graphics:<br>
                    Device-1: Intel HD Graphics 530 driver: i915 v:
                  kernel<br>
                    Device-2: NVIDIA GM206 [GeForce GTX 960] driver:
                  nvidia v: 550.135<br>
                    Display: wayland server: X.org v: 1.21.1.14 with:
                  Xwayland v: 24.1.4<br>
                      compositor: gnome-shell v: 47.2 driver: X: loaded:
                  modesetting,nvidia<br>
                      unloaded: fbdev,vesa dri: iris gpu: i915
                  resolution: 1920x1080~60Hz<br>
                    API: OpenGL v: 4.6 vendor: intel mesa v: 24.3.1
                  renderer: Mesa Intel HD<br>
                      Graphics 530 (SKL GT2)<br>
                    API: EGL Message: EGL data requires eglinfo. Check
                  --recommends.<br>
                  <br>
                  ==============<br>
                  <br>
                  <br>
                  Test h264_nvenc.mp4<br>
                  -------------------<br>
                  OK<br>
                  <br>
                  ./CinGG-20241120-x86_64.AppImage<br>
                  Cinelerra Infinity - built: Nov 20 2024 22:06:05<br>
                  <br>
                  Loads hdv09_04.m27<br>
                  Shift-R<br>
                  mp4<br>
                  h264_nvenc (video preset)<br>
                  pixels: yuv420p (default)<br>
                  <br>
                  ** rendered 5972 frames in 27.391 secs, 218.028 fps<br>
                  <br>
                  ffprobe -hide_banner hdv09_04_h264_nvenc_yuv420p.mp4<br>
                    Stream #0:0[0x1](und): Video: h264 (Main) (avc1 /
                  0x31637661), yuvj420p(pc, smpte170m/unknown/unknown),
                  1440x1080 [SAR 4:3 DAR 16:9], 2156 kb/s, 25 fps, 25
                  tbr, 12800 tbn (default)<br>
                  <br>
                  -------<br>
                  <br>
                  Tried also h264_nvenc with<br>
                  pixels: nv12<br>
                  which for slowed down to 45% speed !?<br>
                  <br>
                  Render::render_single: Session finished.<br>
                  ** rendered 5972 frames in 60.368 secs, 98.927 fps<br>
                  <br>
                  ffprobe -hide_banner hdv09_04_h264_nvenc_nv12.mp4<br>
                    Stream #0:0[0x1](und): Video: h264 (Main) (avc1 /
                  0x31637661), yuvj420p(pc, smpte170m/unknown/unknown),
                  1440x1080 [SAR 4:3 DAR 16:9], 2154 kb/s, 25 fps, 25
                  tbr, 12800 tbn (default)<br>
                  <br>
                  ===================<br>
                  <br>
                  Test h265_nvenc.mp4<br>
                  -------------------<br>
                  <br>
                  Did not render, neither with pixels yuv420p nor nv12:<br>
                </font><font face="Courier New, Courier, monospace">FFMPEG::open_encoder 
                  err: Generic error in an external library</font><br>
                <font face="Courier New, Courier, monospace"><br>
                  [hevc_nvenc @ 0x7ff79c015640] No capable devices found<br>
                  FFMPEG::open_encoder  err: Generic error in an
                  external library<br>
                  int FFMPEG::open_encoder(const char*, const char*):<br>
                  open failed
                  hevc_nvenc:/run/media/terje/video/hdv09_04_h265_nvenc_yuv420p.mp4<br>
                  Render::render_single: Session finished.<br>
                  <br>
                  ===================<br>
                  <br>
                  GeForce GTX 960 (GM206) should be capable to manage
                  NVENC h265/hevc YUV 420 encoding<br>
                  <a
href="https://en.wikipedia.org/wiki/Nvidia_NVENC#Third_generation,_Maxwell_GM20x"
                    target="_blank" rel="noreferrer"
                    moz-do-not-send="true" class="moz-txt-link-freetext">https://en.wikipedia.org/wiki/Nvidia_NVENC#Third_generation,_Maxwell_GM20x</a><br>
                  <a
href="https://developer.nvidia.com/video-encode-and-decode-gpu-support-matrix-new"
                    target="_blank" rel="noreferrer"
                    moz-do-not-send="true" class="moz-txt-link-freetext">https://developer.nvidia.com/video-encode-and-decode-gpu-support-matrix-new</a><br>
                  <br>
                  Tested hevc_nvenc full transcoding with FFmpeg 7.1<br>
                  <br>
                  ffmpeg -hide_banner -hwaccel cuda
                  -hwaccel_output_format cuda -i hdv09_04.m2t -c:v
                  hevc_nvenc hdv09_04_ff_hevc_nvenc.mp4<br>
                  <br>
                  frame= 5963 fps=270 q=34.0 Lsize=   64316KiB
                  time=00:03:58.77 bitrate=2206.6kbits/s speed=10.8x   
                  <br>
                  [aac @ 0x55a38d4c4d40] Qavg: 488.890<br>
                  <br>
                  ------------------<br>
                  <br>
                  ffprobe -hide_banner hdv09_04_ff_hevc_nvenc.mp4<br>
                  Stream #0:0[0x1](und): Video: hevc (Main) (hev1 /
                  0x31766568), yuv420p(tv, bt709, top coded first
                  (swapped)), 1440x1080 [SAR 4:3 DAR 16:9], 2074 kb/s,
                  24.99 fps, 25 tbr, 12800 tbn (default)<br>
                  <br>
                  <br>
                  <br>
                  <br>
                  <br>
                  <br>
                </font> </div>
              -- <br>
              Cin mailing list<br>
              <a href="mailto:Cin@lists.cinelerra-gg.org"
                target="_blank" rel="noreferrer" moz-do-not-send="true"
                class="moz-txt-link-freetext">Cin@lists.cinelerra-gg.org</a><br>
              <a
href="https://lists.cinelerra-gg.org/mailman/listinfo/cin"
                rel="noreferrer noreferrer" target="_blank"
                moz-do-not-send="true" class="moz-txt-link-freetext">https://lists.cinelerra-gg.org/mailman/listinfo/cin</a><br>
            </blockquote>
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