Merge pull request #164 from tmatth/fix_16bit_input

rdpng: convert 16-bit input to 8-bit
2015-03-13 20:10:00 +00:00
parent fbf0a5fbc5 1da5cf4251
commit 32ba839c57
1 changed files with 4 additions and 0 deletions
--- a/rdpng.c
+++ b/rdpng.c
@@ -76,6 +76,10 @@ start_input_png (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
        cinfo->in_color_space = JCS_RGB;
        cinfo->input_components = 3;
    }
+
+    if (bit_depth == 16)
+        png_set_strip_16(source->png_ptr);
+
    cinfo->data_precision = 8;
    cinfo->image_width = width;
    cinfo->image_height = height;