Hans-Christoph Steiner a écrit : > On Nov 14, 2008, at 7:41 AM, cyrille henry wrote: > >> Hans-Christoph Steiner a écrit : >>> That seems like a lot more work, converting from message to DSP >>> and back to messages. >> work for patching or work for the CPU? >> i think both are negligible. >> >>> Do you think that the timing of [metro] is not accurate enough? >> since pd does the timing for both clock, it should work. >> >> but having a master clock at 25Hz, and over-sample it at 44100Hz is >> somthing that hurt my sens of logic. > > In this case, it was 30fps and 48000Hz, so it is an even multiple. I > guess it seems odd to me to be using ~ objects for the frame clock, > but I suppose it could be not so weird. But if this is all in Pd, > then the timing should be coming from the same place either way, right? yes, in this case, it should work.
c > > .hc > >> cyrille >> >>> I basically created a [line] that is driven by the frame numbers, >>> then feed that to [line~] when needed. Seemed to work pretty >>> well. See attached patch. >>> .hc >>> On Nov 12, 2008, at 5:55 AM, cyrille henry wrote: >>>> hello, >>>> >>>> you can use frame number as a trigger, that's not incompatible >>>> with a sync from audio to video. >>>> >>>> see attachement patch. >>>> >>>> cyrille >>>> >>>> >>>> Hans-Christoph Steiner a écrit : >>>>> What I am working on are tools for composing audio to someone >>>>> else's video. I've worked on a couple projects like this, I am >>>>> in the midst of one know. Basically, think sound design for a >>>>> movie and things like it. They generate the movie, and so far, >>>>> I have found the easiest way to communicate with the people >>>>> making the video is to use frame numbers. >>>>> Therefore, to compose my sound, I need to frame numbers as a >>>>> reference. Therefore, I need to generate line data from video >>>>> frame numbers, unless someone has a better idea. If the video >>>>> guys tell me, "this animation starts on frame 1234 and ends on >>>>> 1623", then it seems to me that I want to be using frame numbers >>>>> as my triggers. >>>>> .hc >>>>> On Oct 31, 2008, at 11:08 AM, chris clepper wrote: >>>>>> Cyrille points out the correct method of syncing video to an >>>>>> audio clock. All hardware devices and professional software >>>>>> use the audio to clock the video. >>>>>> >>>>>> On Fri, Oct 31, 2008 at 4:48 AM, cyrille henry >>>>>> <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED] >>>>>> kitchen.fr>> wrote: >>>>>> >>>>>> hello, >>>>>> >>>>>> i'm wondering why did you sync audio on video : i think it is >>>>>> easier to sync the video on the audio. >>>>>> just make all the line~ as you wish for the audio, then >>>>>> snapshot~ >>>>>> periodically and convert audio position to frame number... >>>>>> >>>>>> cyrille >>>>>> >>>>>> >>>>>> Hans-Christoph Steiner a écrit : >>>>>> > I am trying to make a version of [line~] that gives me a >>>>>> line based >>>>>> > on the frame numbers I give it. Basically, I give it a >>>>>> frame >>>>>> counter >>>>>> > in the first inlet, then start frame and stop frame as >>>>>> arguments. >>>>>> > The hard part is that I want it to behave like [line] in >>>>>> that the >>>>>> > last value stays in effect until something else overrides >>>>>> it. >>>>>> > >>>>>> > How do I do that with DSP data? If I use [switch~], then >>>>>> the >>>>>> > [outlet~] will just retain its last value. >>>>>> > >>>>>> > .hc >>>>>> > >>>>>> > >>>>>> > >>>>>> >>>>>> ------------------------------------------------------------------ >>>>>> ------ >>>>>> > ---- >>>>>> > >>>>>> > 'You people have such restrictive dress for women,' she >>>>>> said, >>>>>> > hobbling away in three inch heels and panty hose to >>>>>> finish out >>>>>> > another pink-collar temp pool day. - "Hijab Scene #2", >>>>>> by Mohja >>>>>> Kahf >>>>>> > >>>>>> > >>>>>> > >>>>>> > _______________________________________________ >>>>>> > Pd-list@iem.at <mailto:Pd-list@iem.at> mailing list >>>>>> > UNSUBSCRIBE and account-management -> >>>>>> http://lists.puredata.info/listinfo/pd-list >>>>>> > >>>>>> >>>>>> _______________________________________________ >>>>>> Pd-list@iem.at <mailto:Pd-list@iem.at> mailing list >>>>>> UNSUBSCRIBE and account-management -> >>>>>> http://lists.puredata.info/listinfo/pd-list >>>>>> >>>>>> >>>>> ------------------------------------------------------------------- >>>>> --------- >>>>> If you are not part of the solution, you are part of the problem. >>>> #N canvas 64 128 625 478 10; >>>> #X obj 79 193 line~; >>>> #X floatatom 79 25 5 0 0 0 - - -; >>>> #X text 130 25 frame number; >>>> #X obj 79 45 / 25; >>>> #X text 135 45 time in s; >>>> #X obj 79 73 * 1000; >>>> #X text 143 73 time in ms; >>>> #X obj 79 97 t f f; >>>> #X obj 79 146 pack f f; >>>> #X obj 111 119 + 100000; >>>> #X msg 79 169 \$1 \, \$2 100000; >>>> #X text 186 169 go to 100 0 ms latter \, in 100 000ms; >>>> #X text 126 194 master time for everything (in ms since beggining of >>>> files); >>>> #X obj 215 236 *~ 44.1; >>>> #X text 280 237 position in the audio file; >>>> #X obj 79 314 snapshot~; >>>> #X obj 100 288 metro 1; >>>> #X obj 100 265 loadbang; >>>> #X text 170 289 1ms precision for video is ok; >>>> #X obj 79 340 / 40; >>>> #X text 125 343 time of each frame; >>>> #X obj 79 363 i; >>>> #X obj 79 384 change; >>>> #X text 146 386 frame number; >>>> #X floatatom 92 409 5 0 0 0 - - -; >>>> #X connect 0 0 13 0; >>>> #X connect 0 0 15 0; >>>> #X connect 1 0 3 0; >>>> #X connect 3 0 5 0; >>>> #X connect 5 0 7 0; >>>> #X connect 7 0 8 0; >>>> #X connect 7 1 9 0; >>>> #X connect 8 0 10 0; >>>> #X connect 9 0 8 1; >>>> #X connect 10 0 0 0; >>>> #X connect 15 0 19 0; >>>> #X connect 16 0 15 0; >>>> #X connect 17 0 16 0; >>>> #X connect 19 0 21 0; >>>> #X connect 21 0 22 0; >>>> #X connect 22 0 24 0; >>> --------------------------------------------------------------------- >>> ------- Mistrust authority - promote decentralization. - the >>> hacker ethic >>> --------------------------------------------------------------------- >>> --- >>> _______________________________________________ >>> Pd-list@iem.at mailing list >>> UNSUBSCRIBE and account-management -> http://lists.puredata.info/ >>> listinfo/pd-list > > > > > > ------------------------------------------------------------------------ > ---- > > "[T]he greatest purveyor of violence in the world today [is] my own > government." - Martin Luther King, Jr. > > > > > _______________________________________________ > Pd-list@iem.at mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > _______________________________________________ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list