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ximagesrc: Add ARGB/BGRA support

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This commit is contained in:
Nicolas Dufresne 2014-03-21 13:03:17 -04:00
parent 2143a6e452
commit 0918662624
1 changed files with 6 additions and 1 deletions
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7
sys/ximage/gstximagesrc.c
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@ -1021,6 +1021,7 @@ gst_ximage_src_get_caps (GstBaseSrc * bs, GstCaps * filter)
GstXContext *xcontext; GstXContext *xcontext;
gint width, height; gint width, height;
GstVideoFormat format; GstVideoFormat format;
guint32 alpha_mask;
if ((!s->xcontext) && (!gst_ximage_src_open_display (s, s->display_name))) if ((!s->xcontext) && (!gst_ximage_src_open_display (s, s->display_name)))
return gst_pad_get_pad_template_caps (GST_BASE_SRC (s)->srcpad); return gst_pad_get_pad_template_caps (GST_BASE_SRC (s)->srcpad);
@ -1071,10 +1072,14 @@ gst_ximage_src_get_caps (GstBaseSrc * bs, GstCaps * filter)
} }
GST_DEBUG ("width = %d, height=%d", width, height); GST_DEBUG ("width = %d, height=%d", width, height);
/* extrapolate alpha mask */
alpha_mask = ~(xcontext->r_mask_output
| xcontext->g_mask_output | xcontext->b_mask_output);
format = format =
gst_video_format_from_masks (xcontext->depth, xcontext->bpp, gst_video_format_from_masks (xcontext->depth, xcontext->bpp,
xcontext->endianness, xcontext->r_mask_output, xcontext->g_mask_output, xcontext->endianness, xcontext->r_mask_output, xcontext->g_mask_output,
xcontext->b_mask_output, 0); xcontext->b_mask_output, alpha_mask);
return gst_caps_new_simple ("video/x-raw", return gst_caps_new_simple ("video/x-raw",
"format", G_TYPE_STRING, gst_video_format_to_string (format), "format", G_TYPE_STRING, gst_video_format_to_string (format),