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videoblend: special case 1x1 src dims on increment computation
Fix crash with 1x1 overlay pixmap https://bugzilla.gnome.org/show_bug.cgi?id=757290
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1 changed files with 2 additions and 2 deletions
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@ -186,12 +186,12 @@ gst_video_blend_scale_linear_RGBA (GstVideoInfo * src, GstBuffer * src_buffer,
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gst_video_frame_map (&src_frame, src, src_buffer, GST_MAP_READ);
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gst_video_frame_map (&dest_frame, dest, *dest_buffer, GST_MAP_WRITE);
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if (dest_height == 1)
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if (dest_height == 1 || src->height == 1)
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y_increment = 0;
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else
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y_increment = ((src->height - 1) << 16) / (dest_height - 1) - 1;
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if (dest_width == 1)
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if (dest_width == 1 || src->width == 1)
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x_increment = 0;
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else
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x_increment = ((src->width - 1) << 16) / (dest_width - 1) - 1;
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