Pd-list February 2003

pd-list@lists.iem.at

127 participants
210 discussions

Re: [PD-announce] PiDiP 0.8.2 [ EARLY STREAMING ]
by Yves Degoyon 11 Feb '03

11 Feb '03

hi, again, i'm also posting the ffserver configuration file i've used for testing with Windows Media Player, it might help. cheers, sevy/yves Yves Degoyon wrote: > hi, > > i've released a new version of PiDiP that includes > the new pdp_ffmpeg~ object that lets you stream > video and audio to an ffmpeg server. > > well, in fact, i do not recommend to stream the audio > using this object because PDP is somewhat asynchronous > and you cannot guarantee the audio will be streamed steadily. > > so, better stick to the former solution and use mp3cast~ > to stream audio. > > 0.8.2 > added pdp_ffmpeg~ : stream to a ffmpeg server with possibly several > formats ( mpeg, asf, ... ) > NOTE : although there is an experimental audio streaming possibility, > there are BIG synchronization issues and it's recommended to use > mp3cast~ for audio streaming. > added a ratio action in pdp_ascii > added a planes number action in pdp_quark and pdp_nervous ( plays on > speed of switching ) > fixed index bug in pdp_ctrack, pdp_cmap > > enjoy !! > > sevy/yves > > PS : the installation of PiDiP is now getting rather tricky, you need : > imlib2 > aalib > ffmeg : the sources > > > _______________________________________________ > PD-announce mailing list > PD-announce(a)iem.kug.ac.at > http://iem.kug.ac.at/cgi-bin/mailman/listinfo/pd-announce > > # Port on which the server is listening. You must select a different # port from your standard http web server if it is running on the same # computer. Port 8090 # Address on which the server is bound. Only useful if you have # several network interfaces. BindAddress 0.0.0.0 # Number of simultaneous requests that can be handled. Since FFServer # is very fast, it is more likely that you will want to leave this high # and use MaxBandwidth, below. MaxClients 1000 # This the maximum amount of kbit/sec that you are prepared to # consume when streaming to clients MaxBandwidth 1000 # Access Log file (uses standard Apache log file format) # '-' is the standard output CustomLog - # Suppress that if you want to launch ffserver as a daemon NoDaemon ################################################################## # Definition of the live feeds. Each live feed contains one video # and/or audio sequence coming from an ffmpeg encoder or another # ffserver. This sequence may be encoded simultaneously with several # codecs at several resolutions. <Feed feed1.ffm> # You must use 'ffmpeg' to send a live feed to ffserver. In this # example, you can type: # # ffmpeg http://localhost:8090/feed1.ffm # ffserver can also do time shifting. It means that it can stream any # previously recorded live stream. The request should contain: # "http://xxxx?date=[YYYY-MM-DDT][[HH:]MM:]SS[.m...]".You must specify # a path where the feed is stored on disk. You also specify the # maximum size of the feed (100M bytes here). Default: # File=/tmp/feed_name.ffm FileMaxSize=5M File /tmp/feed1.ffm FileMaxSize 200K # Specify launch in order to start ffmpeg automatically #Launch # Only allow connections from localhost to the feed ACL allow 127.0.0.1 </Feed> ################################################################## # Now you can define each stream which will be generated from the # original audio and video stream. Each format has a filename (here # 'test1.mpg'). FFServer will send this stream when answering a # request containing this filename. #<Stream test1.mpg> # coming from live feed 'feed1' #Feed feed1.ffm # Format of the stream : you can choose among: # mpeg : MPEG1 multiplexed video and audio # mpegvideo : only MPEG1 video # mp2 : MPEG2 audio (use AudioCodec to select layer 2 and 3 codec) # ogg : Ogg format (Vorbis audio codec) # rm : Real Networks compatible stream. Multiplexed audio and video. # ra : Real Networks compatible stream. Audio only. # mpjpeg : Multipart JPEG (works with Netscape without any plugin) # jpeg : Generate a single JPEG image. # asf : ASF compatible stream (Windows Media Player format). # swf : Macromedia flash(tm) compatible stream # avi : AVI format (open divx video, mpeg audio sound) # master : special ffmpeg stream used to duplicate a server #Format mpeg # Bitrate for the audio stream. Codecs usually support only a few # different bitrates. #AudioBitRate 32 # Number of audio channels : 1 = mono, 2 = stereo #AudioChannels 1 # Sampling frequency for audio. When using low bitrates, you should # lower this frequency to 22050 or 11025. The supported frequencies # depend on the selected audio codec. #AudioSampleRate 44100 # Bitrate for the video stream. #VideoBitRate 64 # Number of frames per second #VideoFrameRate 10 # Size of the video frame : WxH (default: 160x128) # The following abbreviation are defined : sqcif, qcif, cif, 4cif #VideoSize 160x128 # transmit only intra frames (useful for low bitrates, but kills frame rate) #VideoIntraOnly # If non intra only, an intra frame is transmitted every VideoGopSize # frames Video synchronization can only begin at an I frames. #VideoGopSize 12 # Choose your codecs: #AudioCodec mp2 #VideoCodec mpeg1video # Suppress audio #NoAudio # Suppress video #NoVideo #VideoQMin 3 #VideoQMax 31 # Set this to the number of seconds backwards in time to start. Note that # most players will buffer 5-10 seconds of video, and also you need to allow # for a key frame to appear in the data stream. #PreRoll 15 StartSendOnKey # ACL: # You can allow ranges of addresses (or single addresses) #ACL ALLOW <first address> <last address> # You can deny ranges of addresses (or single addresses) #ACL DENY <first address> <last address> # You can repeat the ACL allow/deny as often as you like. It is on a per # stream basis. The first match defines the action. If there are no matches, # then the default is the inverse of the last ACL statement. # # Thus 'ACL allow localhost' only allows access from localhost. # 'ACL deny 1.0.0.0 1.255.255.255' would deny the whole of network 1 and # allow everybody else. #</Stream> ################################################################## # Example streams # Multipart JPEG #<Stream test1.mjpg> #Feed feed1.ffm #Format mpjpeg #VideoFrameRate 2 #VideoIntraOnly #NoAudio #</Stream> # AVI #<Stream test1.avi> #Feed feed1.ffm #Format avi #VideoFrameRate 2 #VideoIntraOnly #</Stream> # Single JPEG #<Stream test1.jpg> #Feed feed1.ffm #Format jpeg #VideoFrameRate 2 #VideoIntraOnly ##VideoSize 352x240 #NoAudio #</Stream> # Flash #<Stream test1.swf> #Feed feed1.ffm #Format swf #VideoFrameRate 2 #VideoIntraOnly #NoAudio #</Stream> # MPG4 compatible #<Stream test1.mpg> #Feed feed1.ffm #Format mpeg #VideoFrameRate 10 #VideoSize 192x160 #VideoBitRate 256 #VideoGopSize 5 #StartSendOnKey #NoAudio #NoVideo #AudioBitRate 64 #</Stream> # ASF compatible <Stream test1.asf> Feed feed1.ffm Format asf VideoFrameRate 10 VideoSize 192x160 VideoBitRate 64 VideoGopSize 5 StartSendOnKey NoAudio AudioBitRate 64 </Stream> # MP3 audio #<Stream test1.mp3> #Feed feed1.ffm #Format mp2 #AudioCodec mp3 #AudioBitRate 64 #AudioChannels 1 #AudioSampleRate 44100 #NoVideo #</Stream> # Ogg Vorbis audio #<Stream test1.ogg> #Feed feed1.ffm #Title "Stream title" #AudioBitRate 64 #AudioChannels 2 #AudioSampleRate 44100 #NoVideo #</Stream> # Real with audio only at 32 kbits #<Stream test1.ra> #Feed feed1.ffm #Format rm #AudioBitRate 32 #NoVideo #NoAudio #</Stream> # Real with audio and video at 64 kbits #<Stream test1.rm> #Feed feed1.ffm #Format rm #AudioBitRate 32 #VideoBitRate 128 #VideoFrameRate 25 #VideoGopSize 25 #</Stream> ################################################################## # A stream coming from a file : you only need to set the input # filename and optionnally a new format. Supported conversions: # avi -> asf #<Stream file.rm> #File "/usr/local/httpd/htdocs/tlive.rm" #NoAudio #</Stream> #<Stream file.asf> #File "/usr/local/httpd/htdocs/test.asf" #NoAudio #Author "Me" #Copyright "Super MegaCorp" #Title "Test stream from disk" #Comment "Test comment" #</Stream> ################################################################## # RTSP examples # # You can access to this stream with the RTSP URL: # rtsp://localhost:5454/test1-rtsp.mpg # # A non standard RTSP redirector is also created. Its URL is: # http://localhost:8090/test1-rtsp.rtsp #<Stream test1-rtsp.mpg> #Format rtp #File "/usr/local/httpd/htdocs/test1.mpg" #</Stream> ################################################################## # SDP/multicast examples # # If you want to send your stream in multicast, you must set the # multicast address with MulticastAddress. The port and the TTL can # also be set. # # An SDP file is automatically generated by ffserver by adding the # 'sdp' extension to the stream name (here # http://localhost:8090/test1-sdp.sdp). You should usually give this # file to your player to play the stream. # # The 'NoLoop' option can be used to avoid looping when the stream is # terminated. #<Stream test1-sdp.mpg> #Format rtp #File "/usr/local/httpd/htdocs/test1.mpg" #MulticastAddress 224.124.0.1 #MulticastPort 5000 #MulticastTTL 16 #NoLoop #</Stream> ################################################################## # Special streams # Server status <Stream stat.html> Format status # Only allow local people to get to the status ACL allow localhost ACL allow 192.168.0.0 192.168.255.255 #FaviconURL http://pond1.gladstonefamily.net:8080/favicon.ico </Stream> # Redirect index.html to the appropriate site <Redirect index.html> URL http://ffmpeg.sourceforge.net/ </Redirect>

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ATTN: admin [OTHERWISE: test - ignore]
by Derek Holzer 10 Feb '03

10 Feb '03

sorry, but i can't seem to post to the list. just testing to see if i receive acknowledgement now that i turned that option on... d. -------------------------------------------------

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RE: [PD] MIDI controller question
by Matthew Allen 10 Feb '03

10 Feb '03

I actually had the same problem, And couldn't find a work around in pd. What I ended up doing is having the 16 buttons send notes I normally don't use (note #s 111 to 127) and setting up a small abstraction that converts the note on and note off for these guys to just a labeled on and off value. I just needed them to trigger things, so the whole toggle bit I never really dealt with. m. > -----Original Message----- > From: Stephen Martin [mailto:squaw@lollygagger.org] > Sent: Sunday, February 09, 2003 8:04 PM > To: pd-list(a)iem.kug.ac.at > Subject: [PD] MIDI controller question > > I have a feeling this question is more general > than specific to a piece of hardware, so here goes... > I've checked all the peavey documentation... > Is there a certain way that PD recognizes MIDI/HEX data, > so that I could have each button toggle between, say, > 0 and 1, and thusly trigger a toggle button? > > I hope I explained that properly?! ;)

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Re: [PD] Pd>midi
by derek 10 Feb '03

10 Feb '03

ken, i think the problem in the email you are referring to is a hardware/confgiuration problem. i use a Hammerfall under Win2000Pro, with very large buffer settings even, and notice no appreciable lag or latency in my MIDI controller messages [from Doepfer pocket controller and Kaos Pad]. but that is a Hammerfall... maybe some other MIDI I/O device would do it different. one thing we don't know wanything about is the machine in question. RME has an advisory about USB MIDI in the technical section of their site, warning away from it in certain motherboard/chipset combinations, for example. so, more info is needed to settle that particular problem. in general, PD MIDI shouldn't be any problem at all, as long as your hardware is sorted out proper. best, derek Quoting Ken <renueden(a)earthlink.net>: > Are you saying that you/we cannot play pd synths in real-time with a midi > controller? I'm just getting around to installing pd for curiousity coming > from the Csound camp, but my plans were/are to set up real-time playable > midi machines. Is this possible in pd or am I misunderstanding? > Thanks, >

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RE: [PD] MIDI controller question
by derek 10 Feb '03

10 Feb '03

yeah, i guess you wouldn't need all that other stuff i mentioned if you were using single-value buttons and not a gradiated control surface, huh? silly me... d. Quoting David McCallum <8dngm(a)qlink.queensu.ca>: > > Run your notein through a "select 37" (if you want note 37 to > trigger it). Have the select bang a toggle. Every time you press the > button/note it will change the value of the toggle. > > david Quoting derek <derek(a)x-i.net>: > stephen, > > i've been working on a patch that divides my Kaos pad into sectors for > this express purpose. the basic scheme is: > > [ctlin]------[>36]-------[<38]-------[select 1]----[bang]------[toggle] > > with a [metro 100] sending "0" to the [>n] to reset it. use the logic > output of the [<n] object to trigger the [select 1]. [snip!]

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Pd>midi
by Ken 10 Feb '03

10 Feb '03

Are you saying that you/we cannot play pd synths in real-time with a midi controller? I'm just getting around to installing pd for curiousity coming from the Csound camp, but my plans were/are to set up real-time playable midi machines. Is this possible in pd or am I misunderstanding? Thanks, Ken Locarnini

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RE: [PD] MIDI controller question
by derek 10 Feb '03

10 Feb '03

stephen, i've been working on a patch that divides my Kaos pad into sectors for this express purpose. the basic scheme is: [ctlin]------[>36]-------[<38]-------[select 1]----[bang]------[toggle] with a [metro 100] sending "0" to the [>n] to reset it. use the logic output of the [<n] object to trigger the [select 1]. the constant stream of zeros will reset the whole patch correctly, as long as you dont need to touch your button twice in 100 ms.... then every time it gets your value, say "37" in this case, it will "bang" the toggle. the Kaos pad patch does this for 30 different toggle boxes, depending on where i touch the pad, so the number filtering is more complex [and isn't quite finished yet :-) ]. but this is a good place to start. mail me offlist if you don't quite grok this and want to see my spaghetti... derek Quoting Stephen Martin <squaw(a)lollygagger.org>: > > I can get input from the buttons, but (like matthew said) it's not a toggle, > so I can only get a positive value for as long as my finger is on the > button. It goes back to zero when I lift my finger off. > > so, here's what I think would work, but I don't know PD well enough to do > it... and this is where I need the quick help... it seems simple in > theory... > > is there a way to have a toggle triggered with, say, a value of 37, but not > go off when it receives a value of 0... and THEN, go off when it receives > the 37 value again - basically every time this value is passed, the toggle > goes off or on, but by only using one value, not a zero and a positive > integer... > > help? > > STEVE

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NRPN 14-bit controllers
by David McCallum 10 Feb '03

10 Feb '03

Due to the low mention of NRPNs in the archives of the list I assume that no one here really uses them. I did manage to find an NRPN out patch here http://www.iua.upf.es/~sergi/download/cursos/MAD/Interactsystems2001-2/clas…. But that's about it. I'm writing an NRPN parser abstraction (to control values in Pd) if anyone's interested. If this has already been done then please let me know! David . . David McCallum . Music wants to be free . http://mentalfloss.ca/sintheta/ .

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RE: [PD] Windows + Creameware Triple-DAT
by mark 10 Feb '03

10 Feb '03

I had a very brief go at connecting PD to my creamware pulsar (0.35) using ASIO however something (drivers?) crashed. Must admit gave up very quickly at the time - Midi connects fine though and I think the ordinary wave driver worked fine. cheers mark _________________________________________ junklight - dark experimental electronics http://www.junklight.com -----Original Message----- From: pd-list-admin(a)iem.kug.ac.at [mailto:pd-list-admin@iem.kug.ac.at] On Behalf Of Maurizio Umberto Puxeddu Sent: 10 February 2003 16:11 To: pd-list(a)iem.kug.ac.at Subject: [PD] Windows + Creameware Triple-DAT Hello. A friend is trying to run PD on a Windows machine with a Triple-DAT audio card but without any success. I usually work on Linux so have no experience. Anyone is using or used PD with a similar setup? Thanks, Maurizio Umberto Puxeddu. _______________________________________________ PD-list mailing list PD-list(a)iem.kug.ac.at http://iem.kug.ac.at/cgi-bin/mailman/listinfo/pd-list

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Windows + Creameware Triple-DAT
by Maurizio Umberto Puxeddu 10 Feb '03

10 Feb '03

Hello. A friend is trying to run PD on a Windows machine with a Triple-DAT audio card but without any success. I usually work on Linux so have no experience. Anyone is using or used PD with a similar setup? Thanks, Maurizio Umberto Puxeddu.

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Pd-list February 2003