Difference between revisions of "Render options"

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Work in progress - needs cleaning up and completing...
Here are the file types that can be rendered
Here are the file types that can be rendered

Revision as of 05:59, 15 October 2007

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Here are the file types that can be rendered

  • gif - graphic interchange format
  • imagemagick - image manipulation program
  • jpeg - Joint Photographic Expert Group - still format suited to photographs
  • null - Dummy file for rendering engine testing?
  • null-tile - Dummy file for rendering engine testing?
  • open-exr - Still image designed for handling Motion picture frames developed by ILM
  • png - portable Network graphics - still images with lossless compression
  • ppm - portable pixmap - still image using very basic format - synfig appears to render this target as a png
  • yuv420p - Still image format designed to preserve the images luminance
Target type Extension Helper app Linux support Windows support
Auto (.bmp -> bmp) (.dv -> dv_trgt) (.mpg -> ffmpeg_trgt) (.gif -> gif) (.miff -> imagemagick_trgt) (.jpg -> jpeg_trgt) (.avi -> Target_LibAVCodec) (.mng -> mng_trgt) (.exr -> exr_trgt) (.png -> png_trgt) (.ppm -> ppm) (.yuv -> yuv) Determined by extension (if you're lucky!) png -> png OK, , gif -> bmp (bad), miff -> bmp, exr ->bmp, dv -> bmp and bad rendered, gif -> bmp (the bmp is ok), yuv ->bmp, ppm -> ppm OK, Seems to generate a bmp (or series of bmps) regardless of extension.
bmp bmp Native  ? Yes
dv dv encodedv  ? untested
ffmpeg mpg ffmpeg  ? Error - could not find codec parameters (video: ppm, gray)
gif gif native  ? yes (animated gifs also)
imagemagick miff imagemagick  ? Renders to a readable file, but the image is corrupted
jpeg jpg native  ? yes
null n/a n/a n/a n/a
null-tile n/a n/a n/a n/a
open-exr exr native  ? yes
png png native  ? yes
ppm ppm native  ? yes
yuv420 yuv native  ? yes

Rendering to Video

Rendering to video directly from Synfig under Windows presents some challenges.

Due to current limitations, you'll want to save a series of images that represent your animation, to a still format that ffmpeg can read. I recommend png. Whilst you can render to any size image, if you're going to show your video on Youtube, you may want to take that into account when you render.

If you set up your render like [render.png]

Image size - width 320 Xres 72.0 Phys width 4.44 Height 240 Yres 72.0 Phys Height 3.33 (Image span 11.0127

Image area Top left X: -3.67 Y:4.2 Bottom right X: 3.67 y:-4.2)

You will get a series of png files in your output directory. Open a command prompt, cd to that directory, then use ffmpeg to assemble these png files into the video stream of your choice. for example -

C:\output>ffmpeg -r 15 -i rfrac%04d.png -f flv fractal.flv

creates a Flash video file of with the same framerate as used on Youtube. You should be able to submit it to Youtube without the need for the Youtube servers to have to re-compress it.

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