Audio/Video Applet

Hi,
I' m starting with JMF and i' d like to develop an Audio/Video applet with JFM which seems to be the best solution for my project.
My project must capture the Audio/Video device and display the video in an applet. It must work via the Internet.
I have installed the JMF in my machine and i' m working with jdk1.1.
I have tried :
- the AVTransmit2 and the AVReceive2 of java.sun examples but it doesn't work.
- then the RTPPlayerApplet -> same trouble.
- and AVTransmit3 and AVReceive3 ->not better
- Simple PlayerApplet ->idem
- RTPConnector -> :(
I think i haven't understood how to make those examples work. Maybe it' s caused of my poor english :(
So i don't know if i must continue to find out a solution to one of these examples or if i must find another solution :(
Could somebody tell me if it is possible to solve my project by one of the java.sun technology?
Could somebody explain me how to make work these example?
Thanks in advance.
- Christel

hi,
1st example :
The building of the .class is correct for the AVTransmit2 and the AVReceive2
But when i'm using them the AVTransmit2 is working for 60 seconds
< java AVTransmit2 file:\C:\CAV\TransmitAV2\zidanevsleverkusen.mpeg 192.168.0.2 42050
but the AVReceive2 does'nt
< java AVReceive2 192.168.0.2 42050
the error is: Failed to parse the session address given: 192.168.0.2
Failed to initialize the session
2nd example :
And for the RTPPlayerApplet example, i have during the building:
< javac -classpath src -d classes src\RTPPlayerApplet.java
the result is :
< Note: src\RTPPlayerApplet.java uses or overrides a depreciates API.
< Note: Recompile with -deprecation for details
When i use this option i have 6 warnings as this one :
< src\RTPPlayerApplet.java: 282: warning: Javax.media.rtp.SessionManager in javax.media.rtp
< has been deprecated
What is my mistake?
What have i not understood?
Thanks for help (in advance) ;D
Christel

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I want to "pull up" the audio in one section - meaning I want to take cut about 20 frames of audio from the end of a shot, and then move all the other audio up to fill the hole. To compensate for the missing 20 frames, I'll cut video off the head of the next shot. Some call this prelapping. Some call it an L-cut. Some call it asymmetrical trimming. Either way, I can't figure out how to do it in iMovie.
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Jordon,
"Am I asking too much of this software?"
No, you're not.
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As I said... iMovie generates a MPEG4 video file of the Movie that looks/sounds perfect, so it seems this sync issue's being created somewhere in iDVD as it's rendering the audio/video to burn to the DVD...
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I've tried most of the options I can think of, and the audio sync drift issue continues on this ~1hr 12 minute iMovie/iDVD 08 project.
A couple of promising ideas tried used QT Pro, to export the audio track from the iMovie generated MPEG-4 file - as a WAV file, resampling to 48kHz and 16-bit... then Adding this back to the video track in the MPEG-4 file (having deleted the original audio track). In another test I also tried the Add to Selection and Scale option. Oddly enough I think the Add to Selection and Scale attempt generated more sync issues than before in the final DVD movie... so I stuck with the MPEG-4 file containing the video track and the added, resampled at 48kHz & 16 bit, WAV audio track.
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29.97 FPS H.264 Decoder, 960 x 540, Millions
AAC, Stereo (L R), 44.100 kHz
0:01:12:07.16 duration
The resampled and saved QT MOV file has the following properties:
29.97 FPS H.264 Decoder, 960 x 540, Millions
16-bit Integer (Little Endian), Stereo, 48.000 kHz
0:01:12:07.16 duration
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I've not yet tried to burn either the original iMovie produced MPEG-4 video file or my QT Pro tweaked audio track .MOV file version to a DVD on my PC...
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I Thought I probably was.
something like this should work then, right?
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OR
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finally getting back to this..
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I am using Parabola (a fork of archlinux), Icecat 31.4 and ALSA
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pcm.!default {
type plug
slave.pcm "hw:0,0"
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*nerding out*
I am not an expert in this and if we get stuck I have found a mailing list for the alsa project that can be contacted: http://www.alsa-project.org/main/index.php/Mailing-lists
Gstreamer is disabled in Firefox as well as the os?
Since you are seeing issues with ogg files and moving video/audio combination I started to dig into file formats {sox http://sox.sourceforge.net/soxformat.html}
For ogg would the file format affect the "raw"?
defaults.pcm.file_format "raw"
Updated libraries
alsa-lib-1.0.6-8.FC3
alsa-utils-1.0.6-3
No no, here:
http://oss.sgi.com/LDP/LDP/linuxcookbook/html/cookbook_27.html#SEC377
Is the OGG cpu intensive for your alsa architecture? [http://alsa.opensrc.org/Ogg]
Troubleshooting sound on Linux to narrow down the issue: [http://www.troubleshooters.com/linux/sound/sound_troubleshooting.htm#the_steve_litt_diagnostic_tools]
References: [http://www.alsa-project.org/main/index.php/Minivosc]
[http://www.troubleshooters.com/linux/sound/sound_troubleshooting.htm#the_steve_litt_diagnostic_tools]
I am sorry, this is where I can no longer help. Please seek the guidance of the Linux forums or that alsa mailing list.

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hi all,
as you all know the jmf is based upon a specific paradigm:
data source -> player (processor) -> renderer.
i am not being very precise on this but that does not matter.
i want (for testing purposes) to create a tool that transmit some custom data
(maybe even nonsense) over the rtp packages.
so as you may now see this would not work quite right with the mentioned
paradigm since there would be no audio/video to play-process-render.
so how would i go about to utilise the rtp abilities of the jmf without adhering
to the whole player-whatever shebang.
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one can help me with this.
p.s. i am not one who wants to get the whole source code (like so many
others do on this forum) for a project someone may have done on this, what
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Hi, I would like to make some comments that may help
you to find out how to manage your problem.
If you have a look to the JMF 2.0 API, Guide,
"Understanding the JMF RTP API", Figure 8-2
http://java.sun.com/products/java-media/jmf/2.1.1/guide/RTPArchitecture.html#105171
you can notice that the processor is not essential.
In this pciture, the processor is inserted between two datasources,
to let you perform some operations on the media that is read from
a file or a capture device.
But the SessionManager just needs a DataSource.
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Hi - I have a cable modem from comcast.
I am not sure I understand all your questions, suggestions - so I will copy what I have when I go into the airport utility under internet.
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Or 172.16 (or up to 172.32....)
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One is the fact the computer gets two IPs (even though the mac can only display one)
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AUDIO
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We need to load video footage with all the button features needed to play, stop, etc. I have found adding video quite easy, but to get the player to move with the text as the frame it is contained in scrolls down is another story. How do you do that?
Text describing the video contents will be above or next to the video player.
repeat ... and so forth ...
New video will be added to this section every week or so, and all the components need to scroll as the screen fills up. When adding new video, we would add the new video and text to the top of the list, pushing the remaining video files down.
PHOTOS
ditto as others
Thanks!!

As mentioned, building a custom application can be tricky, especially if you are not very familiar with Flash.
So you want a Web page with an audio player and selection list at the top (or where ever) and then a video player section, along with its playlist, and then at the bottom of the page you want a photo display area... Is that correct? and the scrolling you mentioned is because the page needs to be long enough to hold all 3 components? is that right?
Have you instead considered just using 3 different frames, one frame for each component and simple buttons to jump from audio to video to photos?
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Since you are new at this type of a project, I'd suggest you start small, take the project in steps... just build the audio player... then the video player... then your photo slide show..
Only after you have 3 working moduals would you but them together into one .fla
And yes, learn to use xml for ALL the data, audio, video, and photos.... very easy to update without having to re-publish any of the Flash.
Here is a good source for tutorials:
http://www.gotoandlearn.com/index.php?currentpage=11
Flash and xml
http://www.gotoandlearn.com/index.php?currentpage=13
learn to use NetStream to play your videos, much more versatile and powerful than using the FLVPlayback component
But learning how to incorporate xml into your Flash project is very important in a project like this. And then broken down into 3 components, it's really not that tough to build a project like this.
Best wishes,
Adninjastrator

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See, what happens is that…(now in 10.7.3), video/audio chat is simply broken, simple as that. My contacts always tell me that an error has occurred when trying to accept my video chat invite. It simply doesn't work. They are using AIM desktop in most cases. When it DID used to work (to a very limited extent, I'll say; it was hit or miss earlier pre 10.7.3, now it's just miss), it was just video but NO audio. They could see/hear me, I could only see them. When I did audio chats, they hear me, I..don't hear them (so audio chats were pointless). The only case where this problem doesn't happen is where it's Mac to Mac, iChat to iChat. VERY limited in use of audio/video chat, if you ask me.

Hi,
If AIM contacts have been added to your Google Buddy List then I would login to Google and remove them from there (the iGoogle or GoogleMail web pages will show the Chat option)
Whilst they are still in the List then the Authorization request will probably be resent (In this case it is probably being generated by the method Google are using to add the AIM names as iChat only sends it once).
Google/Jabber Video chats is only iChat to iChat and so is Yahoo with iChat 6.
The Yahoo App streams Video which People can be allowed to see and Audio is added in as an Audio Chat.
The connection Process is not the same and iChat/AIM
Jabber and Google use Jingle to Connect (in fact Google's version is not that compatible with other Jabber apps).
This means iChat to the Standalone PC app or any Web Browser using the Google Video Plug-in (PC or Mac) or to any Jabber app that is using a Google ID (or a Jabber ID) will not work.
On the iChat to AIM on a PC.
This has always been a bit of a hit and miss affair.
Some people have no trouble but other spend ages trying to set things up and never find the solution.
This is the Original Users Tip (up to about AIM5.9)
A "replacement" for that tip that has not made it across yet.
I have yet to try Video to the Web Login version that is now on offer.
However I would limit the Bandwidth in iChat Menu > Preferences > Video Section to 500kbps (possibly try 200kbps for 1-1 chats) as you will not know the interent speed available to the Buddy if they are using the web login.
Comparisons
When you compare iChat actual functions to what you would like it to do it can appear to be limited.
On the basis that you would want your IM app to be able to have Buddies from other services listed in a Buddy list (combined) or Lists which apps do you know of can do that and Video to some of them ?
Adium and ProteusX can both have Buddies from the major Services ina Buddy List but don't do Audio or Video.
Yahoo and MSN both allow the other's Buddies in the list but I am not sure about Video or Audio chats
They cannot connect to Jabber or AIM buddies even for text chats.
Jabber does depend on the server you use and whether that does Transports for you to have text chats with other services.
Instructions for iChat.
Mercury IM is a JAVA version of MSN and still has not got to Audio and Video
Similar for aMSN
Gizmo5 and YakforFree both died...
Skype is Cross Platform but is only 1-1 in Video chat. (cost extra for 3 and 4 way chats)
Yahoo had dropped support for their Mac version now iChat has the Yahoo option (you can still download it - IT being the beta it has been for years).
2:40 PM Saturday; February 11, 2012
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"
 iMac 2.5Ghz 5i 2011 (Lion 10.7.3)
 G4/1GhzDual MDD (Leopard 10.5.8)
 MacBookPro 2Gb (Snow Leopard 10.6.8)
 Mac OS X (10.6.8),
"Limit the Logs to the Bits above Binary Images."  No, Seriously

Audio/Video Applet

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