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png: fix compilation with libpng 1.4

Browse source 
png_set_gray_1_2_4_to_8() has been deprecated for a while and was
finally removed in libpng 1.4.x. Use png_set_expand_gray_1_2_4_to_8()
instead.

Fixes #608629.
This commit is contained in:
David Hoyt 2010-02-02 00:02:34 +00:00 committed by Tim-Philipp Müller
parent c35a984801
commit 2514421c13
1 changed files with 4 additions and 0 deletions
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4
ext/libpng/gstpngdec.c
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@ -397,7 +397,11 @@ gst_pngdec_caps_create_and_set (GstPngDec * pngdec)
png_set_gray_to_rgb (pngdec->png);
if (bpc < 8) { /* Convert to 8 bits */
GST_LOG_OBJECT (pngdec, "converting grayscale image to 8 bits");
#if PNG_LIBPNG_VER < 10400
png_set_gray_1_2_4_to_8 (pngdec->png);
#else
png_set_expand_gray_1_2_4_to_8 (pngdec->png);
#endif
}
}