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videobox: draw the complete U and V planes

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Round up the scaled U and V width and height so that we always draw the correct
amount of pixels to fill the complete image.

Fixes #569611
This commit is contained in:
Wim Taymans 2009-05-04 11:26:56 +02:00
parent 1619c09e3e
commit 9ea2c113ba
1 changed files with 15 additions and 6 deletions
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21
gst/videobox/gstvideobox.c
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@ -1084,6 +1084,15 @@ gst_video_box_i420_i420 (GstVideoBox * video_box, guint8 * src, guint8 * dest)
crop_width, crop_height, src_stride, out_width, dest_stride,
yuv_colors_Y[video_box->fill_type]);
br /= 2;
bb /= 2;
bl /= 2;
bt /= 2;
/* we need to round up to make sure we draw all the U and V lines */
crop_width = (crop_width + 1) / 2;
crop_height = (crop_height + 1) / 2;
/* U plane */
src_stride = GST_VIDEO_I420_U_ROWSTRIDE (src_width);
dest_stride = GST_VIDEO_I420_U_ROWSTRIDE (out_width);
@ -1093,9 +1102,9 @@ gst_video_box_i420_i420 (GstVideoBox * video_box, guint8 * src, guint8 * dest)
srcU = src + GST_VIDEO_I420_U_OFFSET (src_width, src_height);
srcU += src_stride * (video_box->crop_top / 2) + (video_box->crop_left / 2);
gst_video_box_copy_plane_i420 (video_box, srcU, destU, br / 2, bl / 2, bt / 2,
bb / 2, crop_width / 2, crop_height / 2, src_stride, out_width / 2,
dest_stride, yuv_colors_U[video_box->fill_type]);
gst_video_box_copy_plane_i420 (video_box, srcU, destU, br, bl, bt, bb,
crop_width, crop_height, src_stride, out_width / 2, dest_stride,
yuv_colors_U[video_box->fill_type]);
/* V plane */
src_stride = GST_VIDEO_I420_V_ROWSTRIDE (src_width);
@ -1106,9 +1115,9 @@ gst_video_box_i420_i420 (GstVideoBox * video_box, guint8 * src, guint8 * dest)
srcV = src + GST_VIDEO_I420_V_OFFSET (src_width, src_height);
srcV += src_stride * (video_box->crop_top / 2) + (video_box->crop_left / 2);
gst_video_box_copy_plane_i420 (video_box, srcV, destV, br / 2, bl / 2, bt / 2,
bb / 2, crop_width / 2, crop_height / 2, src_stride, out_width / 2,
dest_stride, yuv_colors_V[video_box->fill_type]);
gst_video_box_copy_plane_i420 (video_box, srcV, destV, br, bl, bt, bb,
crop_width, crop_height, src_stride, out_width / 2, dest_stride,
yuv_colors_V[video_box->fill_type]);
}
static GstFlowReturn