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Author Topic: TI-84 Plus & TI-Nspire video players in the works  (Read 21720 times)

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Offline DJ Omnimaga

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TI-84 Plus & TI-Nspire video players in the works
« on: February 01, 2011, 03:19:11 pm »
After Martin Poupe's Casio FX-9860 SD video player, here comes a TI-84 Plus one by Thepenguin77! It doesn't natively supports sound but if you have two calculators you can convert sound files to audio format and use his TruSound application and simplay play the video on one calc and the audio on the other simultaneously, as demonstrated in his Youtube video below:



You can download video and audio examples below, but we recommend backing everything up before installing the video on a real calculator, because it still has some stability issues:

Video data
Video player
Audio player+data

The discussion topic can be found here.

Meanwhile, apcalc is working on a video player as well, but for the TI-Nspire. An extremly large animated screenshot (4.3 MB) is located here and the topic about the video player can be found here. No download is available yet, though.
« Last Edit: February 02, 2011, 04:20:43 am by DJ Omnimaga »
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Offline Fast Crash

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Re: TI-84 Plus & TI-Nspire video players in the works
« Reply #1 on: February 01, 2011, 04:19:05 pm »
on-calc rickroll  :love:
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Offline Galandros

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Re: TI-84 Plus & TI-Nspire video players in the works
« Reply #2 on: February 01, 2011, 04:27:39 pm »
Goodness, you really had to do it sometime for real. >:D
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Offline Deep Toaster

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Re: TI-84 Plus & TI-Nspire video players in the works
« Reply #3 on: February 01, 2011, 04:28:44 pm »
Epic. The graphics are incredible. And it's got the sound and everything. And even then, the speed...

EDIT: Does it really have sound, though?
« Last Edit: February 01, 2011, 04:29:15 pm by Deep Thought »
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Offline Fast Crash

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Re: TI-84 Plus & TI-Nspire video players in the works
« Reply #4 on: February 01, 2011, 04:42:35 pm »
there is only the video. The sound comes from the other calc using trusound
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Offline kalan_vod

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Re: TI-84 Plus & TI-Nspire video players in the works
« Reply #5 on: February 01, 2011, 04:45:17 pm »
Wow, the video is great! And the sound is as well!
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Offline Michael_Lee

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Re: TI-84 Plus & TI-Nspire video players in the works
« Reply #6 on: February 01, 2011, 06:05:50 pm »
Wait - it's possible to get that high quality sound from a calc?  If I were to plug in my headphones to the calculator running trusound then started the program, I would be able to hear sound of enough quality to be able to distinguish words?  I always thought calculators could only manage retro-style beeping noises.
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Re: TI-84 Plus & TI-Nspire video players in the works
« Reply #7 on: February 01, 2011, 06:18:08 pm »
This is awesome! I wonder how large the videos are on-calc, though. :P
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Offline DJ Omnimaga

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Re: TI-84 Plus & TI-Nspire video players in the works
« Reply #8 on: February 01, 2011, 10:42:21 pm »
The 84+ one is 1.2 MB I think. In other words, pretty huge. However with some compression they are probably reasonable in terms of size. Personally I wouldn't mind 6 FPS and drawing every two row for a calc movie, considering it's just a calc after all.
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Offline apcalc

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Re: TI-84 Plus & TI-Nspire video players in the works
« Reply #9 on: February 01, 2011, 10:46:09 pm »
Quote from: DJ Omnimaga on February 01, 2011, 10:42:21 pm
The 84+ one is 1.2 MB I think. In other words, pretty huge. However with some compression they are probably reasonable in terms of size. Personally I wouldn't mind 6 FPS and drawing every two row for a calc movie, considering it's just a calc after all.

Right now, with the Nspire player, I am only drawing 1/5th of the frames produced by SUPER, and I can just barley notice a difference from when I played every frame.  Doing this has drastically cut the size of the video files, without using any actual compression techniques.  I wonder what it would look like if I only drew like every 10th frame?  I'll have to try that now :)  (New Video time!)
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Offline Ranman

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Re: TI-84 Plus & TI-Nspire video players in the works
« Reply #10 on: February 01, 2011, 10:46:27 pm »
This is outstanding Thepenguin77!

Any plans to incorporate TruSound and the video player?

Ranman amazed!
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Offline calcdude84se

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Re: TI-84 Plus & TI-Nspire video players in the works
« Reply #11 on: February 01, 2011, 10:46:44 pm »
Quote from: Michael_Lee on February 01, 2011, 06:05:50 pm
Wait - it's possible to get that high quality sound from a calc?  If I were to plug in my headphones to the calculator running trusound then started the program, I would be able to hear sound of enough quality to be able to distinguish words?  I always thought calculators could only manage retro-style beeping noises.
Yep, we can get high-quality sound. At the expense of space, of course. :D
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Offline kalan_vod

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Re: TI-84 Plus & TI-Nspire video players in the works
« Reply #12 on: February 01, 2011, 11:26:46 pm »
Quote from: Michael_Lee on February 01, 2011, 06:05:50 pm
Wait - it's possible to get that high quality sound from a calc?  If I were to plug in my headphones to the calculator running trusound then started the program, I would be able to hear sound of enough quality to be able to distinguish words?  I always thought calculators could only manage retro-style beeping noises.

Yes, RealSound does this. I have not used TrueSound before
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Offline thepenguin77

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Re: TI-84 Plus & TI-Nspire video players in the works
« Reply #13 on: February 01, 2011, 11:30:48 pm »
TruSound was just my attempt to get sound to work on calculators missing the extra ram pages. (Actually, it was the final product of my older, never released sound programs, of which the first was 1 bit sound). Also, I don't like to use things I didn't make, so I wouldn't let myself use a sound program that wasn't created by me.
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Offline DJ Omnimaga

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Re: TI-84 Plus & TI-Nspire video players in the works
« Reply #14 on: February 01, 2011, 11:45:57 pm »
Quote from: kalan_vod on February 01, 2011, 11:26:46 pm
Quote from: Michael_Lee on February 01, 2011, 06:05:50 pm
Wait - it's possible to get that high quality sound from a calc?  If I were to plug in my headphones to the calculator running trusound then started the program, I would be able to hear sound of enough quality to be able to distinguish words?  I always thought calculators could only manage retro-style beeping noises.

Yes, RealSound does this. I have not used TrueSound before
Yeah the issue was that in 2007 TI changed the TI-84 hardwares, removing 80 KB of extra RAM from  the 128 KB in it. However, we only discovered this in late 2009, after many people couldn't run TI-Boy SE on their calc. These people couldn't run RealSound, MSD8x, Omnicalc virtual calc/restoremem and other programs using the extra pages either. Thepenguin77 basically made a sound player that runs on calc that only have 48 KB of RAM instead of 128.
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