Hi list,
I have almost no experience with GEM, so I wanted to ask around about
this. I have a patch that should play 3 HD films, in the following way:
- the main patch plays the sound, and sends the frame-infos around through
OSC
- the frame-infos are received by 3 video player patches (each in one
separate Pd instance), each one playing one film
- the films are a bit heavy: 1/3 full HD = 640x1080pix each, around 6m
long (maybe more). The playing speed is around 25fps, sometimes less,
sometimes more
- the hardware has a SSD disk, and i5 quad processor > 2,7Ghz (I can't say
yet much about the graphic card)
Which object is more adequate to play these videos in GEM?
Probably isn't a good idea to load the videos into RAM. The playback is
also very variable: forward, backward, something else... That means, is
there a buffer-setting that would help in this case?
And, under this context, how fast could the video be played?
Thanks,
João
Hi João,
Have a look at the pristine tutorials of Max Neupert:
http://www.uni-weimar.de/medien/wiki/Audiovideo
and have fun!
Luiz Naveda
On Thu, Sep 6, 2012 at 5:15 AM, João Pais jmmmpais@googlemail.com wrote:
Hi list,
I have almost no experience with GEM, so I wanted to ask around about this. I have a patch that should play 3 HD films, in the following way:
- the main patch plays the sound, and sends the frame-infos around through
OSC
- the frame-infos are received by 3 video player patches (each in one
separate Pd instance), each one playing one film
- the films are a bit heavy: 1/3 full HD = 640x1080pix each, around 6m long
(maybe more). The playing speed is around 25fps, sometimes less, sometimes more
- the hardware has a SSD disk, and i5 quad processor > 2,7Ghz (I can't say
yet much about the graphic card)
Which object is more adequate to play these videos in GEM? Probably isn't a good idea to load the videos into RAM. The playback is also very variable: forward, backward, something else... That means, is there a buffer-setting that would help in this case? And, under this context, how fast could the video be played?
Thanks,
João
Pd-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
Hi João,
actually those patches won't help you so much, as it aims at very short samples/videos up to about 8 seconds, depending how much memory your graphics card has. But they may give you an idea how to proceed. It's definitely not a good Idea trying to load a long HD movie in a [gemframebuffer] it might even crash gem if the memory on the card is not sufficient. but try if h.264 (compression) in pix_film runs smoothly enough (that may also depend on the OS you are on). If anyone disagrees with above please chime in.
Max
Am 07.09.2012 um 05:33 schrieb Luiz Naveda:
Hi João,
Have a look at the pristine tutorials of Max Neupert:
http://www.uni-weimar.de/medien/wiki/Audiovideo
and have fun!
Luiz Naveda
On Thu, Sep 6, 2012 at 5:15 AM, João Pais jmmmpais@googlemail.com wrote:
Hi list,
I have almost no experience with GEM, so I wanted to ask around about this. I have a patch that should play 3 HD films, in the following way:
- the main patch plays the sound, and sends the frame-infos around through
OSC
- the frame-infos are received by 3 video player patches (each in one
separate Pd instance), each one playing one film
- the films are a bit heavy: 1/3 full HD = 640x1080pix each, around 6m long
(maybe more). The playing speed is around 25fps, sometimes less, sometimes more
- the hardware has a SSD disk, and i5 quad processor > 2,7Ghz (I can't say
yet much about the graphic card)
Which object is more adequate to play these videos in GEM? Probably isn't a good idea to load the videos into RAM. The playback is also very variable: forward, backward, something else... That means, is there a buffer-setting that would help in this case? And, under this context, how fast could the video be played?
Thanks,
João
Pd-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
-- Luiz Naveda
^v^ ^v^ ^v^^~^~^~^~^~^~^~^~~^~~^~~^~^~^~~~^^~^~~~~ ^~^~^~^~^~^~^~^~^~^~~^~~^~~^~^~^~~~^~~~
Pd-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
Hi João, Max,
Indeed, the buffers would not solve the problem.
But I was thinking that the patches controlling VLC and quicktime would provide a solution or a way to find a solution.
Best
Luiz Naveda
On Fri, Sep 7, 2012 at 8:30 AM, Max abonnements@revolwear.com wrote:
Hi João,
actually those patches won't help you so much, as it aims at very short samples/videos up to about 8 seconds, depending how much memory your graphics card has. But they may give you an idea how to proceed. It's definitely not a good Idea trying to load a long HD movie in a [gemframebuffer] it might even crash gem if the memory on the card is not sufficient. but try if h.264 (compression) in pix_film runs smoothly enough (that may also depend on the OS you are on). If anyone disagrees with above please chime in.
Max
Am 07.09.2012 um 05:33 schrieb Luiz Naveda:
Hi João,
Have a look at the pristine tutorials of Max Neupert:
http://www.uni-weimar.de/medien/wiki/Audiovideo
and have fun!
Luiz Naveda
On Thu, Sep 6, 2012 at 5:15 AM, João Pais jmmmpais@googlemail.com wrote:
Hi list,
I have almost no experience with GEM, so I wanted to ask around about this. I have a patch that should play 3 HD films, in the following way:
- the main patch plays the sound, and sends the frame-infos around through
OSC
- the frame-infos are received by 3 video player patches (each in one
separate Pd instance), each one playing one film
- the films are a bit heavy: 1/3 full HD = 640x1080pix each, around 6m long
(maybe more). The playing speed is around 25fps, sometimes less, sometimes more
- the hardware has a SSD disk, and i5 quad processor > 2,7Ghz (I can't say
yet much about the graphic card)
Which object is more adequate to play these videos in GEM? Probably isn't a good idea to load the videos into RAM. The playback is also very variable: forward, backward, something else... That means, is there a buffer-setting that would help in this case? And, under this context, how fast could the video be played?
Thanks,
João
Pd-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
-- Luiz Naveda
^v^ ^v^ ^v^^~^~^~^~^~^~^~^~~^~~^~~^~^~^~~~^^~^~~~~ ^~^~^~^~^~^~^~^~^~^~~^~~^~~^~^~^~~~^~~~
Pd-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
-
João Pais -
Luiz Naveda -
Max