[MPlayer-cvslog] r21940 - trunk/libmpdemux/demux_gif.c
reimar
subversion at mplayerhq.hu
Tue Jan 16 08:12:32 CET 2007
Author: reimar
Date: Tue Jan 16 08:12:32 2007
New Revision: 21940
Modified:
trunk/libmpdemux/demux_gif.c
Log:
Interlaced gif support
Modified: trunk/libmpdemux/demux_gif.c
==============================================================================
--- trunk/libmpdemux/demux_gif.c (original)
+++ trunk/libmpdemux/demux_gif.c Tue Jan 16 08:12:32 2007
@@ -167,8 +167,26 @@
priv->palette[(y * 4) + 3] = 0;
}
- memcpy_transp_pic(dest, buf, w, h, priv->w, gif->Image.Width,
- transparency, transparent_col);
+ if (gif->Image.Interlace) {
+ uint8_t *s = buf;
+ memcpy_transp_pic(dest, s, w, h >> 3,
+ priv->w << 3, gif->Image.Width,
+ transparency, transparent_col);
+ s += (h >> 3) * w;
+ memcpy_transp_pic(dest + (gif->Image.Width << 2), s, w, h >> 3,
+ priv->w << 3, gif->Image.Width,
+ transparency, transparent_col);
+ s += (h >> 3) * w;
+ memcpy_transp_pic(dest + (gif->Image.Width << 1), s, w, h >> 2,
+ priv->w << 2, gif->Image.Width,
+ transparency, transparent_col);
+ s += (h >> 2) * w;
+ memcpy_transp_pic(dest + gif->Image.Width, s, w, h >> 1,
+ priv->w << 1, gif->Image.Width,
+ transparency, transparent_col);
+ } else
+ memcpy_transp_pic(dest, buf, w, h, priv->w, gif->Image.Width,
+ transparency, transparent_col);
if (refmode == 1) memcpy(priv->refimg, dp->buffer, priv->w * priv->h);
if (refmode == 2 && priv->useref) {
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