Hi Andrew, Sorry, it took me some time to author DVDs to test this but I finally got around to it. DVD player # 1 (DVD only) -- pass for both 32k and 44.1k DVD player # 2 (4K/BD/DVD) -- pass for both 32k and 44.1k
Interestingly, DVD player # 2 OSD showed sample rate as 48k but anyways it played fine. So, I agree this is supported most likely transparently by the decoder chipset itself. WRT the patch itself. I noticed there is an indentation issue in the switch statement, and it did not apply automatically on latest master. I had to modify it to apply. I do not have permission to merge patches but I imagine this will be more likely to get merged with those 2 things fixed. out of curiosity, how did you get the constant values ? (44.1 = 2, 32 = 3). I would like to implement this as well in to the DVD demuxer, since apparently it is possible to do. Thanks for sharing. Respectfully, On Tue, Jan 30, 2024 at 11:41 PM Andrew Randrianasulu < randrianas...@gmail.com> wrote: > ср, 31 янв. 2024 г., 04:49 Andrew Randrianasulu <randrianas...@gmail.com>: > > > > > > > вт, 30 янв. 2024 г., 23:21 Marth64 <mart...@proxyid.net>: > > > >> Interesting, thanks. My thought was to see if this is allowed for > >> DVD-Video vs DVD-Audio only which are different application layer. I can > >> try to run a PS2 test with the real hardware out of curiosity later. > >> > > > > Thanks! > > > > > > I also found Cirrus Logic application note from 2001 that mentions 32khz > > pcm operation. Yet it looks more like external amplifier/decoder part, > not > > something integrated into dvd player itself? (input stream via S/PDIF) > > > > https://pdf.dzsc.com/88889/28162.pdf > > > > > https://tascam.com/downloads/tascam/78/DV-D01U_Manual.pdf > > also this pdf lists dvd pcm 44.1 in table at p. 30. > > No sights of 32khz, but surprizingly hdmi can carry such low frequency > sampled sounds! > > > > > > > > > > >> On Tue, Jan 30, 2024 at 2:17 PM Andrew Randrianasulu < > >> randrianas...@gmail.com> wrote: > >> > >> > пн, 29 янв. 2024 г., 22:08 Andrew Randrianasulu < > >> randrianas...@gmail.com>: > >> > > >> > > On Mon, Jan 29, 2024 at 8:16 PM Marth64 <mart...@proxyid.net> > wrote: > >> > > > > >> > > > Hi, out of curiosity, I did not know 44.1/32 is supported on DVD > >> PCM. > >> > > Does > >> > > > this type of output work on an actual DVD player? > >> > > > >> > > >> > > >> > At least this pdf brochure lists 44.1 under PCM: > >> > > >> > > >> > > >> > https://at.yamaha.com/files/download/other_assets/8/333768/DVD-S1500_e_U.pdf > >> > > >> > > >> > > We try to determinate this, but unfortunately new DVD players a bit > >> > > TOO flexible and forgiving? > >> > > > >> > > > https://lists.cinelerra-gg.org/pipermail/cin/2024-January/007907.html > >> > > > >> > > I even had idea to use PS2 emulator to check (DVD video supposed to > >> > > work there since some time) > >> > > but ran into qt6 being build dependency ... so I shelved this idea > >> for > >> > > now > >> > > > >> > > > >> > > > >> > > > >> > > Thank you > >> > > > > >> > > > On Mon, Jan 22, 2024 at 3:59 AM Andrew Randrianasulu < > >> > > > randrianas...@gmail.com> wrote: > >> > > > > >> > > > > ---------- Forwarded message --------- > >> > > > > От: Andrew Randrianasulu <randrianas...@gmail.com> > >> > > > > Date: вс, 21 янв. 2024 г., 06:49 > >> > > > > Subject: patch for 44.1/32 khz pcm input in pcm dvd encoder > >> > > > > To: FFmpeg user questions <ffmpeg-u...@ffmpeg.org>, > Cinelerra.GG > >> < > >> > > > > c...@lists.cinelerra-gg.org> > >> > > > > > >> > > > > > >> > > > > relative to ffmpeg.git commit > >> > 6c4388b468bf92c0c1e7733c6cfe4ff3f9ca9723 > >> > > > > > >> > > > > lightly tested with mpv and mediainfo like this: > >> > > > > > >> > > > > ./ffmpeg -i ~/f9518976.mp4 -target pal-dvd -ar 44100 -c:a > pcm_dvd > >> -f > >> > > dvd > >> > > > > t.mpg > >> > > > > > >> > > > > mpv plays sound correctly, mediainfo does not know those > >> frequencies > >> > > and > >> > > > > display 0khz. ;) > >> > > > > > >> > > > > > >> > > > > ==== > >> > > > > > >> > > > > forwarded to ffmpeg-devel as requested. > >> > > > > _______________________________________________ > >> > > > > ffmpeg-devel mailing list > >> > > > > ffmpeg-devel@ffmpeg.org > >> > > > > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > >> > > > > > >> > > > > To unsubscribe, visit link above, or email > >> > > > > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". > >> > > > > > >> > > > _______________________________________________ > >> > > > ffmpeg-devel mailing list > >> > > > ffmpeg-devel@ffmpeg.org > >> > > > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > >> > > > > >> > > > To unsubscribe, visit link above, or email > >> > > > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". > >> > > > >> > _______________________________________________ > >> > ffmpeg-devel mailing list > >> > ffmpeg-devel@ffmpeg.org > >> > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > >> > > >> > To unsubscribe, visit link above, or email > >> > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". > >> > > >> _______________________________________________ > >> ffmpeg-devel mailing list > >> ffmpeg-devel@ffmpeg.org > >> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > >> > >> To unsubscribe, visit link above, or email > >> ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". > >> > > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
