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video-converter: add border color

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This commit is contained in:
Wim Taymans 2014-10-30 17:30:33 +01:00
parent ce2d4d40a1
commit 5cf4aa358d
1 changed files with 33 additions and 3 deletions
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36
gst-libs/gst/video/video-converter.c
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@ -94,7 +94,7 @@ struct _GstVideoConverter
guint tmplines_idx;
gboolean fill_border;
guint16 *borderline;
gpointer borderline;
guint32 border_argb;
GstVideoChromaResample *upsample;
@ -552,8 +552,38 @@ gst_video_converter_new (GstVideoInfo * in_info, GstVideoInfo * out_info,
if (convert->fill_border && (convert->out_height < convert->out_maxheight ||
convert->out_width < convert->out_maxwidth)) {
convert->borderline = g_malloc0 (sizeof (guint16) * width * 4);
memset (convert->borderline, convert->border_argb, width * 8);
gint i;
guint8 *b;
guint64 border_val, v;
b = convert->borderline = g_malloc0 (sizeof (guint16) * width * 4);
if (GST_VIDEO_INFO_IS_YUV (&convert->out_info)) {
/* FIXME, convert to AYUV, just black for now */
border_val = 0x00007f7f;
} else {
border_val = convert->border_argb;
}
if (convert->out_bits == 8)
v = (border_val << 32) | border_val;
else {
guint64 c;
c = (border_val >> 24) & 0xff;
v = (c << 56) | (c << 48);
c = (border_val >> 16) & 0xff;
v |= (c << 40) | (c << 32);
c = (border_val >> 8) & 0xff;
v |= (c << 24) | (c << 16);
c = (border_val) & 0xff;
v |= (c << 8) | c;
}
v = GINT64_TO_BE (v);
for (i = 0; i < width; i++) {
memcpy (b, &v, 8);
b += 8;
}
} else {
convert->borderline = NULL;
}