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  VLC and Java pipeing  (Read 4505 times)
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Offline princec

JGO Kernel


Medals: 284
Projects: 3
Exp: 16 years


Eh? Who? What? ... Me?


« Reply #30 - Posted 2012-06-27 21:15:53 »

Might have another crack at Cortado again soon.

Cas Smiley

Offline Cero
« Reply #31 - Posted 2012-06-27 21:38:18 »

Might have another crack at Cortado again soon.

You keep us posted - I'm gonna try out some gstreamer.

Offline Riven
« League of Dukes »

JGO Overlord


Medals: 614
Projects: 4
Exp: 16 years


Hand over your head.


« Reply #32 - Posted 2012-08-11 06:51:54 »

Okay... yet another attempt from me, to fill some free time - this time there is no need for a ramdisk Smiley

  • I use ffmpeg to extract an audio stream from any movie, as PCM16 stereo 44.1kHz
  • I use ffmpeg to extract a video stream from any movie, as MJPEG (sequence of JPEGs in 1 file)

I read the STDOUT of both processes, do some buffering, syncing, and play it back (AWT + OpenAL).


The code:

It smoothly plays back HD content (1080p, JPEG quality: 100%) with 20% CPU usage for java and 18% CPU usage for ffmpeg.


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Offline ra4king

JGO Kernel


Medals: 322
Projects: 2
Exp: 4 years


I'm the King!


« Reply #33 - Posted 2012-08-11 07:39:39 »


NOPE NOPE NOPE NOPE NOPE NOPE NOPE NOPE NOPE NOPE NOPE NOPE NOPE................

Offline jonjava
« Reply #34 - Posted 2012-08-11 10:05:33 »

That's pretty neat!

Offline gouessej

« In padded room »



TUER


« Reply #35 - Posted 2012-08-11 14:36:11 »

and play it back (AWT + OpenAL).
Why do you need AWT? Xerxes and Sven succeeded in playing a short video in Raspberry Pi and some smartphones without it, by using LibAV, OpenGL-ES and our native windowing toolkit.

Offline Riven
« League of Dukes »

JGO Overlord


Medals: 614
Projects: 4
Exp: 16 years


Hand over your head.


« Reply #36 - Posted 2012-08-11 22:15:43 »

I don't need AWT. I picked it because it was the least amount of work for this three hour project...

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