[gstreamer-bugs] [Bug 162306] [pngdec] does not decode all png files properly.

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 http://bugzilla.gnome.org/show_bug.cgi?id=162306
 GStreamer | gst-plugins | Ver: HEAD CVS





------- Additional Comments From algernon at bonehunter.rulez.org  2005-01-07 09:04 -------
Created an attachment (id=35609)
 --> (http://bugzilla.gnome.org/attachment.cgi?id=35609&action=view)
Patch implementing progressive PNG decoding

This patch basically redoes ext/libpng/gstpngdec.[ch], so pngdec becomes a
progressive PNG reader. That means that we decode the data as it flows in, thus
removing the buffer == file limitation.

While there, this also adds support for RGBA images, and removes the limitation
that lines must be width*4 bytes wide (this makes decoding 8bit RGB PNGs work
as expected).

As far as I could test, there are no regressions. On the other hand, pngdec
works much better.

Will add paletted and grayscale support later (as soon as I figure out how).

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