On Sunday, November 21, 2021, Terje J. Hanssen via Cin < cin@lists.cinelerra-gg.org> wrote:
> > > Den 20.11.2021 09:40, skrev Andrea paz: > >> By adding extra codecs after the official distro installation: >>> ffmpeg -v quiet -codecs | grep aac >>> DEAIL. aac AAC (Advanced Audio Coding) (decoders: aac >>> aac_fixed libfdk_aac ) (encoders: aac libfdk_aac ) >>> D.AIL. aac_latm AAC LATM (Advanced Audio Coding LATM >>> syntax) >>> >> Good to know! So if ffmpeg present in CinGG supports AAC, just make >> presets to be able to use them. >> > > Yes, I think so. The output above was from my openSUSE system's ffmpeg > after adding multimedia codecs and enabled applications following the > unofficial guide: > https://opensuse-guide.org/codecs.php > > Where did you see the latter preset? (I think it is DV SD on Blu-ray). >>> >> Sorry for my ignorance on Blu Ray and DV/HDV. The presets I found are >> in the attached bluray-DV.jpg image. >> Instead, the presets of Andrew that you have indicated, are perhaps >> those in the image bluray-HDV.jpg? >> > > Yes, FHD, HDV and SD DV are identified here by their standard pixel > resolution, frame rate and interlaced or progressive video. > ref: > https://en.wikipedia.org/wiki/Blu-ray#Video > https://en.wikipedia.org/wiki/Pixel_aspect_ratio#Pixel_aspec > t_ratios_of_common_video_formats > > I can't find any HDV or similar. >> > > Compare also with Settings>Format window's Presets up to the left (where > HDV and DV are listed for the Import video) > > Do you only use "Create BD" or "Create DVD" to make a BD/DVD, and not >> the presets found in the rendering window? [FFMPEG --> mt2s --> >> "wrench" --> bluray_dv_pal(ntsc).mt2s] >> What is the purpose of the latter? >> > I think format presets used by bluray/dvd gui internally.. > > I think I have tested both methods, mostly in 2016/201, and just a few > later. (Beside I have digitized several analog S-video to DV video files > and recorded them to BD-R data discs as backup. I have at least 20-30 of > each Hi8 and HDV tapes left). > > I could not find manual documentation for the presets. So possibly Andrew > with better knowledge may step in here and explain better? https://cinelerra-gg.org/download/CinelerraGG_Manual/How_Create_FFmpeg_Options_F.html basically I just started with muxer codec pair in new options file, and then played with parameters.. > > I will just add that It possible to render various .m2ts files, test > mediainfo and playback using a media player like VLC. Note: vlc or other software player may tolerate streams hw player will choke on.. As known a Blu-ray player device need a standard Blu-ray disc directory > structure (bdwrite) for playback, i.e > > tree -h bd_20161216-153642 > > bd_20161216-153642 > ├── [183M] bd.m2ts > ├── [ 394] bd.sh > ├── [191M] bd.udfs > ├── [5.3K] bd.xml > └── [4.0K] udfs > > 1 directory, 4 files > > > While DVD use MPEG-2, I cannot see MPEG-2 with high bitrate for SD DV (or > HDV) on Blu-ray is possible? well, you can try to create mpeg2 m2ts profile and temporarily replace usual h264-based ones.. if this experiment resulted in working BD disk - we probably can add checkbox or menu selecting specific codec. Just bitrate for mpeg2 must be much higher for same quality at given resolution (saw 40 mbit/s fullhd file) , and blu-ray has hard limit on bitrates it can handle (from memory: around 25 mbit/s) .. > > Terje J. H > > > -- > Cin mailing list > Cin@lists.cinelerra-gg.org > https://lists.cinelerra-gg.org/mailman/listinfo/cin >
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