From 44be31b4f002a051fd4524177a50b17b76c9177e Mon Sep 17 00:00:00 2001 From: Erik Walthinsen Date: Sat, 24 Feb 2001 23:08:42 +0000 Subject: [PATCH] added Jens Thiele's bgr565 to rgb32 converter Original commit message from CVS: added Jens Thiele's bgr565 to rgb32 converter --- libs/colorspace/rgb2rgb.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/libs/colorspace/rgb2rgb.c b/libs/colorspace/rgb2rgb.c index 43f06ce..d5e788f 100644 --- a/libs/colorspace/rgb2rgb.c +++ b/libs/colorspace/rgb2rgb.c @@ -26,6 +26,7 @@ static void gst_colorspace_rgb_to_rgb_identity(GstColorSpaceConverter *space, un static void gst_colorspace_rgb24_to_bgr24(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest); static void gst_colorspace_rgb32_to_bgr32(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest); static void gst_colorspace_rgb555_to_rgb565(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest); +static void gst_colorspace_bgr565_to_rgb32(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest); GstColorSpaceConvertFunction gst_colorspace_rgb2rgb_get_converter(GstColorSpaceConverter *space, GstColorSpaceType src, GstColorSpaceType dest) { switch(src) { @@ -93,6 +94,17 @@ GstColorSpaceConvertFunction gst_colorspace_rgb2rgb_get_converter(GstColorSpaceC default: break; } + break; + case GST_COLORSPACE_BGR565: + space->insize = space->width*space->height*2; + switch(dest) { + case GST_COLORSPACE_RGB32 : + space->outsize = space->width*space->height*4; + return gst_colorspace_bgr565_to_rgb32; + default: + break; + }; + break; default: break; } @@ -183,3 +195,27 @@ static void gst_colorspace_rgb555_to_rgb565(GstColorSpaceConverter *space, unsig } } } + +static void gst_colorspace_bgr565_to_rgb32(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) +{ + gint size; + guint16 *srcptr = (guint16 *)src; + guint32 *destptr = (guint32 *)dest; + size = space->outsize >> 2; + + g_assert (src != dest); /* todo */ + while (size--) { + /* in detail I do this + red=(unsigned char)(*srcptr)&0x1f; + green=(unsigned char)(((*srcptr)&0x07E0)>>5); + blue=(unsigned char)(((*srcptr)&0xf800)>>11); + *destptr++ = (((guint32)blue) << 3) + | (((guint32)green) << (8+2)) + | (((guint32)red) << (16+3)); + */ + *destptr++ = (((*srcptr)&0xf800)>>8)|(((*srcptr)&0x07E0)<<5)|(((*srcptr)&0x1f)<<19); + srcptr++; + } +} + + -- 2.7.4