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Old 08-27-2012, 06:05 AM   #181
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Quote:
Originally Posted by twobob View Post
Good luck
I'll need it.
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Old 08-30-2012, 09:21 AM   #182
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sdl port would be cool

Quote:
Originally Posted by geekmaster View Post
They would even be easy to port to any OS that supports SDL (linux, mac, windows) instead of /dev/fb0. Or if you boot from DOS, you could write directly to the video RAM.
I vote for the sdl port *raises hand* I did dig through the code and hunt for places to ram in a system("eips '' && usleep 80000"); or two but with no success. perhaps you would one day find time to implement this.

http://opentom.org/LibSDL has an interesting solution to to problem - and I believe his solution supports TSlib also.

Anyways. get's my vote. That would also make PrBoom a reailty. which can be no bad thing. Cheers. Sorry I can't be more help.
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Old 08-30-2012, 11:54 PM   #183
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using

Quote:
#!/bin/sh
#

# killall -stop cvm launchpad 2>$DN # use if running via Kite
killall -stop cvm # use if running via Launchpad
cd /mnt/us
. ./go
eips -c;
cd /mnt/us/usr/games
SDL_VIDEODRIVER=fbcon ./prboom > prboom.log
#./roms/"$(getkb)".g* 2>gnuboy.log
# killall -cont cvm launchpad 2>$DN # use if running via Kite
killall -cont cvm # use if running via Launchpad
I get.. via launchpad:

prboom v2.5.0 (http://prboom.sourceforge.net/)
I_SetAffinityMask: manual affinity mask is 1
Could not initialize SDL [Unable to open a console terminal]

ho hum
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Old 08-31-2012, 05:31 AM   #184
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grep the source for that specific error message - see what the authors are trying to say by studying the conditions under which it could be printed.
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Old 09-01-2012, 11:56 PM   #185
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Quote:
Originally Posted by geekmaster View Post

Anyway, the point is that I am now playing a live High-definition stream (http://mirrorblender.top-ix.org/movi...8-surround.mp4) directly from the web server to my kindle, through a transcoder/proxy on my host PC.

transcode/proxy (2-up image 400x600) using ffmpeg installed with ubuntu apt-get:
PHP Code:
ffmpeg -i http://mirrorblender.top-ix.org/movies/sintel-2048-surround.mp4 \
 
-pix_fmt gray -vf transpose=-vcodec rawvideo -f rawvideo --s 600x400 - | \
 
raw2gmv nc -l 5555 
The link is no good anymore. anyone know any online mp4's??
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Old 09-02-2012, 12:46 AM   #186
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root@kindle:video> ffmpeg -i ./pluto.avi -pix_fmt gray -r 15 -f rawvideo -s 800x600 -|./raw2gmv > output
Quote:
ffmpeg version 0.8.12, Copyright (c) 2000-2011 the FFmpeg developers
built on Sep 2 2012 03:36:07 with gcc 4.2.1
configuration: --enable-cross-compile --cross-prefix=/home/you/GIT/buildroot/output/host/usr/bin/arm-none-linux-gnueabi- --sysroot=/home/you/GIT/buildroot/output/host/usr/arm-unknown-linux-gnueabi/sysroot --host-cc=/usr/bin/gcc --arch=arm --target-os=linux --extra-cflags=-fPIC --enable-static --enable-shared --prefix=/usr --disable-avfilter --disable-doc --enable-gpl --enable-nonfree --enable-ffmpeg --enable-ffplay --enable-ffserver --enable-postproc --enable-swscale --enable-indevs --enable-outdevs --enable-pthreads --disable-zlib --enable-armv6 --enable-armvfp
libavutil 51. 9. 1 / 51. 9. 1
libavcodec 53. 8. 0 / 53. 8. 0
libavformat 53. 5. 0 / 53. 5. 0
libavdevice 53. 1. 1 / 53. 1. 1
libswscale 2. 0. 0 / 2. 0. 0
libpostproc 51. 2. 0 / 51. 2. 0
Input #0, avi, from './pluto.avi':
Metadata:
encoder : Lavf52.94.0
Duration: 00:00:55.01, start: 0.000000, bitrate: 1012 kb/s
Stream #0.0: Video: mpeg4, yuv420p, 320x234 [PAR 254:255 DAR 8128:5967], 24 tbr, 24 tbn, 24 tbc
Stream #0.1: Audio: mp2, 22050 Hz, stereo, s16, 64 kb/s
Output #0, rawvideo, to 'pipe:':
Metadata:
encoder : Lavf53.5.0
Stream #0.0: Video: rawvideo, gray, 800x600, q=2-31, 200 kb/s, 90k tbn, 15 tbc
Stream mapping:
Stream #0.0 -> #0.0
Press [q] to stop, [?] for help
frame= 826 fps= 3 q=0.0 Lsize= 387188kB time=00:00:55.06 bitrate=57600.0kbits/s dup=0 drop=493
video:387188kB audio:0kB global headers:0kB muxing overhead 0.000000%
root@kindle:video> cat output | ./video
717 frames in 108.4 secs = 6.6 FPS

Would be nice to get the audio stream in now...
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Old 09-02-2012, 11:15 AM   #187
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Quote:
Originally Posted by twobob View Post
The link is no good anymore. anyone know any online mp4's??
That link still works for me. I do not see why the blender project would have regional restrictions on their videos. Perhaps it was a temporary problem. Try again (or try a different mirror) and report back.

There are lots of mp4s in the "Moving Images" collection at archive.org (home of the "WayBackMachine").

Last edited by geekmaster; 09-02-2012 at 11:18 AM.
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Old 09-02-2012, 11:21 AM   #188
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root@kindle:video> ffmpeg -i ./pluto.avi -pix_fmt gray -r 15 -f rawvideo -s 800x600 -|./raw2gmv > output

root@kindle:video> cat output | ./video
717 frames in 108.4 secs = 6.6 FPS

Would be nice to get the audio stream in now...
You screenshots look like negative images. What happened there? Is it negative on the screen, or is that just in the framebuffer? Some of my eink driver code uses negative images and lets the eink controller invert it, so if your screen appears correct, you need to invert the framebuffer when you convert it to an image file.

Last edited by geekmaster; 09-02-2012 at 03:02 PM.
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Old 09-02-2012, 11:24 AM   #189
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Originally Posted by twobob View Post
The link is no good anymore. anyone know any online mp4's??
Thousands available here:
http://www.imdb.com/features/video/browse/

Which, with a bit of clicking will lead you to a page like this:
http://archive.org/details/fright_to_the_finish

And in the left side-bar, a selection of the media types available.
If one of those don't do it for you, then programs like VLC can transcode it for you.
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Old 09-02-2012, 03:09 PM   #190
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Quote:
Originally Posted by knc1 View Post
Thousands available here:
http://www.imdb.com/features/video/browse/

Which, with a bit of clicking will lead you to a page like this:
http://archive.org/details/fright_to_the_finish

And in the left side-bar, a selection of the media types available.
If one of those don't do it for you, then programs like VLC can transcode it for you.
The Moving Images collection at archive.org where you found that video has much more to offer, which you can browse by collections and categories.
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Old 09-02-2012, 05:25 PM   #191
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I do not remember entering a competition.

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Old 09-02-2012, 06:07 PM   #192
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ffmpeg -i http://archive.org/download/BunkerHi...kerllBunny.mp4 -pix_fmt gray -vf transpose=2 -vcodec rawvideo -f rawvideo -r 7.8 -y -s 600x800 - |./raw2gmv | nc -l 5555

was the magic formula for me.

Thanks for all the pointers, don't know why it failed before.
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Old 09-02-2012, 07:04 PM   #193
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Quote:
Originally Posted by twobob View Post
ffmpeg -i http://archive.org/download/BunkerHi...kerllBunny.mp4 -pix_fmt gray -vf transpose=2 -vcodec rawvideo -f rawvideo -r 7.8 -y -s 600x800 - |./raw2gmv | nc -l 5555

was the magic formula for me.

Thanks for all the pointers, don't know why it failed before.
I have been doing -r7.7, which is closer to the 130msec/frame that gmplay uses. Using -r7.8 will make it play slightly slower. That -r15 you used earlier is about half-speed, which works fine on the K5 (with an adjusted gmplay that can play faster), but a K3 cannot go that fast.

In fact, on a K4/K5, you do not need those "nc" commands -- you can do it all on one command line inside the K5. A K3 cannot do the conversion AND the playing at the same time because the eips call uses too much CPU time in a K3 (hence piping the dithered stream from a host PC for realtime streaming, or two-step conversion to a .gmv.gz file like those in the first post).

I see that the screenshots are the proper polarity now (not negative images).

You do not need to rotate (transpose) the image with ffmpeg because that is already done inside the raw2gmv (by swapping scan coordinates). Your aspect ration is messed up. Try removing the "transpose" parameter.

Last edited by geekmaster; 09-02-2012 at 07:06 PM.
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Old 09-20-2012, 09:34 AM   #194
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Error when compiling FFMpeg

I've tried to compile ffmpeg for KT and got error:
Code:
root@ppoo:/home/ppoo/Downloads/ffmpeg-0.11.2# ./configure --enable-cross-compile --cross-prefix=/root/x-tools/arm-cortex_a8-linux-gnueabi/arm-cortex_a8-linux-gnueabi/bin/ --sysroot=/root/x-tools/arm-cortex_a8-linux-gnueabi/arm-cortex_a8-linux-gnueabi/sysroot/ --target-os=linux --extra-cflags=-fPIC --enable-shared --prefix=/home/ppoo/Downloads/ffmpeg-0.11.2/test/ --disable-avfilter --disable-doc --enable-gpl --enable-nonfree --enable-ffmpeg --enable-ffplay --enable-ffserver --enable-postproc --enable-swscale --enable-indevs --enable-outdevs --enable-pthreads --disable-zlib --enable-armv6 --enable-neon --enable-static --arch=arm
/root/x-tools/arm-cortex_a8-linux-gnueabi/arm-cortex_a8-linux-gnueabi/bin/gcc is unable to create an executable file.
C compiler test failed.
( ./configure options same as twobob above)

And I ./cat config.log:
Code:
WARNING: /root/x-tools/arm-cortex_a8-linux-gnueabi/arm-cortex_a8-linux-gnueabi/bin/pkg-config not found, library detection may fail.
mktemp -u XXXXXX
AfNCfx
check_ld cc
check_cc
BEGIN /tmp/ffconf.W4y42Pqe.c
    1	int main(void){ return 0; }
END /tmp/ffconf.W4y42Pqe.c
/root/x-tools/arm-cortex_a8-linux-gnueabi/arm-cortex_a8-linux-gnueabi/bin/gcc --sysroot=/root/x-tools/arm-cortex_a8-linux-gnueabi/arm-cortex_a8-linux-gnueabi/sysroot/ -fPIC -c -o /tmp/ffconf.EReNrDbR.o /tmp/ffconf.W4y42Pqe.c
as: unrecognized option '-mcpu=cortex-a8'
C compiler test failed.
I follow here to build toolchain.

Last edited by ppoo; 09-20-2012 at 09:37 AM.
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Old 09-20-2012, 10:08 AM   #195
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That message is because configure is trying to run ARM compiled test code on a non-ARM machine.

Two possible solutions:
Install and use scratchbox2 (it is designed to solve exactly this problem).
or
Follow the Ubuntu model of defining a binfmt_misc entry to use qemu to run the arm code.

Your choice should in-part be guided by what Linux distribution you are using.
Some "just work" - others can be a real hassle to setup.

There is a third choice -
Pass the appropriate ac_* settings in the environment of configure to turn off the testing but that is a technical level beyond this forum.
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