Re: [Vnc2swf-users] converting swf to flv/mpeg

[Darie N. <dar...@gm...>]

Im trying to convert a .swf file that is NOT generated by vnc python
program, it should work or not? It works only with the .swf files generated
by the vnc?

Regards,
Nicolae

On Tue, Jun 2, 2009 at 10:59 PM, <
vnc...@li...> wrote:

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> Today's Topics:
>
>   1. Re: Project Future (Yusuke Shinyama)
>   2. Re: How to set FLV meta data (was Re: About FLV output.)
>      (Oscar Usifer)
>   3. Re: How to set FLV meta data (was Re: About FLV   output.)
>      (The Amigo)
>   4. converting swf to flv/mpeg (Darie Nicolae)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 20 Apr 2009 07:34:21 -0400
> From: Yusuke Shinyama <yu...@cs...>
> Subject: Re: [Vnc2swf-users] Project Future
> To: Olivier Hervieu <oli...@wa...>,       General discussion
>        about vnc2swf <vnc...@li...>
> Message-ID: <200...@ac...>
> Content-Type: text/plain; charset="us-ascii"
>
> On Mon, 20 Apr 2009 10:15:27 +0200, Olivier Hervieu <
> oli...@wa...> wrote:
> >
> > I'm now writing pyvncrec... i think that i will able to release
> > something around the 10-15th of May
>
> Okay, so let's see how this plays out...
>
> Meanwhile, I thought writing a simple C module with Python fallback
> is a pretty good idea (as some people have already pointed out).
> So I might work on it along this track. If succeed, we might get rid of
> other dependencies (like pygame or PIL).
>
> Yusuke
>
>
>
> ------------------------------
>
> Message: 2
> Date: Thu, 23 Apr 2009 11:36:23 -0500
> From: "Oscar Usifer" <osc...@pr...>
> Subject: Re: [Vnc2swf-users] How to set FLV meta data (was Re: About
>        FLV output.)
> To: "General discussion about vnc2swf"
>        <vnc...@li...>
> Message-ID: <200...@ws...>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Amigo,
>
> Thank you for the great info on producing FLV outputs. I attempted to
> reproduce your steps, found the output is producing only a single frame. I
> built ffmpeg (from ports collection in freebsd), and have been trying to get
> the stream conversion to work. The problem I am seeing is that only one
> output frame is produced in the resulting .flv file.  What form of the
> command ffmpeg do I need to use? I did look at the docs, but was not able to
> decipher too well.
>
> Thanks,
> -OSC
>
> zcat FILM089.vnc.gz | ./vncrec -movie /dev/stdin | ffmpeg -f yuv4mpegpipe
> -i /dev/stdin -y FILM089.flv
>
>
> [osc@builder ~]$ Xvfb :3 -screen 0 2048x1536x24 &
> [1] 8921
> [osc@builder ~]$ expected keysym, got XF86KbdLightOnOff: line 70 of pc
> expected keysym, got XF86KbdBrightnessDown: line 71 of pc
> expected keysym, got XF86KbdBrightnessUp: line 72 of pc
> Could not init font path element /usr/local/lib/X11/fonts/TTF/, removing
> from list!
> Could not init font path element /usr/local/lib/X11/fonts/OTF, removing
> from list!
>
> [osc@builder ~]$ zcat FILM089.vnc.gz | ./vncrec -movie /dev/stdin | ffmpeg
> -f yuv4mpegpipe -i /dev/stdin -y FILM089.flv
> VNC server supports protocol version 3.3 (viewer 3.3)
> VNC authentication succeeded
> Desktop name "ou0b46"
> Connected to VNC server, using protocol version 3.3
> VNC server default format:
>  32 bits per pixel.
>  Least significant byte first in each pixel.
>  True colour: max red 255 green 255 blue 255, shift red 16 green 8 blue 0
> FFmpeg version SVN-r14424, Copyright (c) 2000-2008 Fabrice Bellard, et al.
>  configuration: --cc=cc --prefix=/usr/local --disable-debug
> --enable-memalign-hack --enable-shared --enable-postproc --extra-cflags=
> -I/usr/local/include --extra-ldflags=-L/usr/local/lib -la52
> --extra-libs=-pthread --enable-gpl --enable-pthreads --enable-swscale
> --mandir=/usr/local/man --enable-liba52 --enable-liba52bin --disable-libfaac
> --disable-libfaad --disable-libamr-nb --disable-libamr-wb --disable-mmx
> --disable-libgsm --disable-libmp3lame --disable-ffplay --disable-libtheora
> --disable-libvorbis --enable-libx264 --enable-libxvid
>  libavutil version: 49.7.0
>  libavcodec version: 51.61.0
>  libavformat version: 52.18.0
>  libavdevice version: 52.0.0
>  built on Apr 22 2009 16:42:55, gcc: 4.2.1 20070719  [FreeBSD]
> Using default colormap which is TrueColor.  Pixel format:
>  32 bits per pixel.
>  Least significant byte first in each pixel.
>  True colour: max red 255 green 255 blue 255, shift red 16 green 8 blue 0
> red_mask=ff0000, green_mask=ff00, blue_mask=ff, CPU endian=0, dpy endian=0
> Image dump color channel shifts: R=16, G=8, B=0
> Dumping 18 frames for time 1.80 sec.
> Input #0, yuv4mpegpipe, from '/dev/stdin':
>  Duration: N/A, bitrate: N/A
>    Stream #0.0: Video: rawvideo, yuv420p, 1189x911, 10.00 tb(r)
> Output #0, flv, to 'FILM089.flv':
>    Stream #0.0: Video: flv, yuv420p, 1189x911, q=2-31, 200 kb/s, 10.00
> tb(c)
> Stream mapping:
>  Stream #0.0 -> #0.0
> frame=    1 fps=  0 q=9.8 Lsize=     154kB time=0.10 bitrate=12647.0kbits/s
> video:154kB audio:0kB global headers:0kB muxing overhead 0.128575%
> [osc@builder ~]$
>
>
>
> > ----- Original Message -----
> > From: "The Amigo" <the...@gm...>
> > To: "General discussion about vnc2swf" <
> vnc...@li...>
> > Subject: Re: [Vnc2swf-users] How to set FLV meta data (was Re: About FLV
>      output.)
> > Date: Fri, 3 Apr 2009 15:46:31 -0500
> >
> >
> > I used pyvnc2swf for a bit, but found that it took far too much CPU time.
> > Instead, here's what I do now:
> >
> > 1) Use this patched vncrec:
> http://aur.archlinux.org/packages.php?ID=16265
> > In addition to simply recording vnc sessions to a log file, it can
> convert
> > the recordings to YUV4MPEG (the twibright patch) on stdout (my patch).
> >
> > 2) Use ffmpeg to read the YUV4MPEG stream and write an .flv
> >
> > A couple of caveats however:
> >   - vncrec needs an X display (use Xvfb to create a virtual one, but make
> > sure it's at least as large as your video)
> >   - flashsv is the lossless video codec that will generally produce
> smaller
> > files for screen recordings while maintaining perfect quality
> >   - if your ffmpeg doesn't have flashsv support and you have to compile
> from
> > source, install zlib-devel
> >   - scaling down the video size with ffmpeg will often result in a larger
> > file size (due to the added anti-aliasing), for web-based playback, you
> can
> > save bandwidth by having a swf player scale the video down.
>
>
> --
> It's News. It's Reviews. It's Interviews. It's Free. What Are You Waiting
> For?
> www.movieline.com
>
>
>
>
> ------------------------------
>
> Message: 3
> Date: Thu, 23 Apr 2009 14:06:22 -0500
> From: The Amigo <the...@gm...>
> Subject: Re: [Vnc2swf-users] How to set FLV meta data (was Re: About
>        FLV     output.)
> To: Oscar Usifer <osc...@pr...>
> Cc: General discussion about vnc2swf
>        <vnc...@li...>
> Message-ID:
>        <41d...@ma...>
> Content-Type: text/plain; charset="iso-8859-1"
>
> I only see a couple differences, between your command line and mine:
>  - I used a different codec (flashsv - lossless, and creates smaller files
> for screencasts)
>  - I ran in 8-bit color mode (-bgr233)
>  - I specified the framerate as 4fps
>
> but I wouldn't expect any of those changes to cause the problems you've
> shown.  When you run Xvfb can create a virtual display as :3, do you also
> export DISPLAY=:3 (since I don't see -display :3 on your vncrec command
> line)?
>
> What I run is:
>
> create virtual display:
>    Xvfb :1 -screen 0 2560x1024x24 &
> record a desktop:
>    vncrec -display :1 -record log.vnc -shared 10.0.1.1 -bgr233
> convert to flv:
>    VNCREC_MOVIE_FRAMERATE=4 vncrec -display :1 -movie log.vnc -bgr233 |
> ffmpeg -i - -r 4 -vcodec flashsv log.flv
>
> are you using the same vncrec to record the FILM089.vnc.gz as you are to
> play back in -movie mode?  I've found that even from the same source,
> compiling on different machines can make them incompatible.  I suspect that
> when this happened to me, I had one 32-bit build and one 64-bit build, but
> I
> didn't do enough testing to figure it out for sure.  I just stuck to using
> the same build of vncrec for recording and playing back.
>
> If none of that helps, would you mind sending me a short recording that I
> can try to transcode?
>
> --
> The Amigo
>
> On Thu, Apr 23, 2009 at 11:36 AM, Oscar Usifer <osc...@pr...
> >wrote:
>
> > Amigo,
> >
> > Thank you for the great info on producing FLV outputs. I attempted to
> > reproduce your steps, found the output is producing only a single frame.
> I
> > built ffmpeg (from ports collection in freebsd), and have been trying to
> get
> > the stream conversion to work. The problem I am seeing is that only one
> > output frame is produced in the resulting .flv file.  What form of the
> > command ffmpeg do I need to use? I did look at the docs, but was not able
> to
> > decipher too well.
> >
> > Thanks,
> > -OSC
> >
> > zcat FILM089.vnc.gz | ./vncrec -movie /dev/stdin | ffmpeg -f yuv4mpegpipe
> > -i /dev/stdin -y FILM089.flv
> >
> >
> > [osc@builder ~]$ Xvfb :3 -screen 0 2048x1536x24 &
> > [1] 8921
> > [osc@builder ~]$ expected keysym, got XF86KbdLightOnOff: line 70 of pc
> > expected keysym, got XF86KbdBrightnessDown: line 71 of pc
> > expected keysym, got XF86KbdBrightnessUp: line 72 of pc
> > Could not init font path element /usr/local/lib/X11/fonts/TTF/, removing
> > from list!
> > Could not init font path element /usr/local/lib/X11/fonts/OTF, removing
> > from list!
> >
> > [osc@builder ~]$ zcat FILM089.vnc.gz | ./vncrec -movie /dev/stdin |
> ffmpeg
> > -f yuv4mpegpipe -i /dev/stdin -y FILM089.flv
> > VNC server supports protocol version 3.3 (viewer 3.3)
> > VNC authentication succeeded
> > Desktop name "ou0b46"
> > Connected to VNC server, using protocol version 3.3
> > VNC server default format:
> >  32 bits per pixel.
> >  Least significant byte first in each pixel.
> >  True colour: max red 255 green 255 blue 255, shift red 16 green 8 blue 0
> > FFmpeg version SVN-r14424, Copyright (c) 2000-2008 Fabrice Bellard, et
> al.
> >  configuration: --cc=cc --prefix=/usr/local --disable-debug
> > --enable-memalign-hack --enable-shared --enable-postproc --extra-cflags=
> > -I/usr/local/include --extra-ldflags=-L/usr/local/lib -la52
> > --extra-libs=-pthread --enable-gpl --enable-pthreads --enable-swscale
> > --mandir=/usr/local/man --enable-liba52 --enable-liba52bin
> --disable-libfaac
> > --disable-libfaad --disable-libamr-nb --disable-libamr-wb --disable-mmx
> > --disable-libgsm --disable-libmp3lame --disable-ffplay
> --disable-libtheora
> > --disable-libvorbis --enable-libx264 --enable-libxvid
> >  libavutil version: 49.7.0
> >  libavcodec version: 51.61.0
> >  libavformat version: 52.18.0
> >  libavdevice version: 52.0.0
> >  built on Apr 22 2009 16:42:55, gcc: 4.2.1 20070719  [FreeBSD]
> > Using default colormap which is TrueColor.  Pixel format:
> >  32 bits per pixel.
> >  Least significant byte first in each pixel.
> >  True colour: max red 255 green 255 blue 255, shift red 16 green 8 blue 0
> > red_mask=ff0000, green_mask=ff00, blue_mask=ff, CPU endian=0, dpy
> endian=0
> > Image dump color channel shifts: R=16, G=8, B=0
> > Dumping 18 frames for time 1.80 sec.
> > Input #0, yuv4mpegpipe, from '/dev/stdin':
> >  Duration: N/A, bitrate: N/A
> >    Stream #0.0: Video: rawvideo, yuv420p, 1189x911, 10.00 tb(r)
> > Output #0, flv, to 'FILM089.flv':
> >    Stream #0.0: Video: flv, yuv420p, 1189x911, q=2-31, 200 kb/s, 10.00
> > tb(c)
> > Stream mapping:
> >  Stream #0.0 -> #0.0
> > frame=    1 fps=  0 q=9.8 Lsize=     154kB time=0.10
> bitrate=12647.0kbits/s
> > video:154kB audio:0kB global headers:0kB muxing overhead 0.128575%
> > [osc@builder ~]$
> >
> >
> >
> > > ----- Original Message -----
> > > From: "The Amigo" <the...@gm...>
> > > To: "General discussion about vnc2swf" <
> > vnc...@li...>
> > > Subject: Re: [Vnc2swf-users] How to set FLV meta data (was Re: About
> FLV
> >      output.)
> > > Date: Fri, 3 Apr 2009 15:46:31 -0500
> > >
> > >
> > > I used pyvnc2swf for a bit, but found that it took far too much CPU
> time.
> > > Instead, here's what I do now:
> > >
> > > 1) Use this patched vncrec:
> > http://aur.archlinux.org/packages.php?ID=16265
> > > In addition to simply recording vnc sessions to a log file, it can
> > convert
> > > the recordings to YUV4MPEG (the twibright patch) on stdout (my patch).
> > >
> > > 2) Use ffmpeg to read the YUV4MPEG stream and write an .flv
> > >
> > > A couple of caveats however:
> > >   - vncrec needs an X display (use Xvfb to create a virtual one, but
> make
> > > sure it's at least as large as your video)
> > >   - flashsv is the lossless video codec that will generally produce
> > smaller
> > > files for screen recordings while maintaining perfect quality
> > >   - if your ffmpeg doesn't have flashsv support and you have to compile
> > from
> > > source, install zlib-devel
> > >   - scaling down the video size with ffmpeg will often result in a
> larger
> > > file size (due to the added anti-aliasing), for web-based playback, you
> > can
> > > save bandwidth by having a swf player scale the video down.
> >
> >
> > --
> > It's News. It's Reviews. It's Interviews. It's Free. What Are You Waiting
> > For?
> > www.movieline.com
> >
> >
> -------------- next part --------------
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> ------------------------------
>
> Message: 4
> Date: Tue, 2 Jun 2009 22:59:13 +0300
> From: Darie Nicolae <dar...@gm...>
> Subject: [Vnc2swf-users] converting swf to flv/mpeg
> To: vnc...@li...
> Message-ID:
>        <e5d...@ma...>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hello there, im new to list but i hope you will help me, so here it is :
>
> i installed everything, but i cannot get the conversion work, here is the
> output when i try to convert swf to .mpg
>
> root@vps536 [/usr/local/convert/pyvnc2swf-0.9.5/pyvnc2swf]# ./edit.py -o
> test.mpg vplayer.swf
> Using PIL 1.1.7b1
> Using pymedia 1.3.5
> Input movie: version=9, size=480x400, framerate=30fps, frames=1,
> duration=0.0s.
> Output movie size: 480x400
> Scanning source swf file: vplayer.swf...
> Creating MPEG: 'test.mpg': codec=mpeg2video, size=480x400, framerate=30.0
> .Traceback (most recent call last):
>  File "./edit.py", line 248, in ?
>    if __name__ == "__main__": sys.exit(main(sys.argv))
>  File "./edit.py", line 243, in main
>    debug=debug)
>  File "./edit.py", line 92, in reorganize
>    builder.build(r)
>  File "/usr/local/convert/pyvnc2swf-0.9.5/pyvnc2swf/output.py", line 1016,
> in build
>    self.stream.next_frame()
>  File "/usr/local/convert/pyvnc2swf-0.9.5/pyvnc2swf/output.py", line 808,
> in next_frame
>    self.out_file.write(encFrame.data)
> AttributeError: 'str' object has no attribute 'data'
> root@vps536 [/usr/local/convert/pyvnc2swf-0.9.5/pyvnc2swf]#
>
>
> However when i try to convert SWF to FLV i get no error, but the flv
> generated is 2k, empty
>
> root@vps536 [/usr/local/convert/pyvnc2swf-0.9.5/pyvnc2swf]# ./edit.py -o
> test.flv vplayer.swf
> Using PIL 1.1.7b1
> Using pymedia 1.3.5
> Input movie: version=9, size=480x400, framerate=30fps, frames=1,
> duration=0.0s.
> Output movie size: 480x400
> Scanning source swf file: vplayer.swf...
> .1 frames written (duration=0.0s)
> root@vps536 [/usr/local/convert/pyvnc2swf-0.9.5/pyvnc2swf]#
>
>
> Ive tested on multiple swf files. Hope that anybody can help me with this
> problem.
>
> Regards,
> Nicolae
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