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surface: use unscaled overlay rectangle for blending.
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1 changed files with 27 additions and 11 deletions
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@ -836,26 +836,42 @@ gst_vaapi_surface_update_composition(
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for (n = 0; n < nb_rectangles; ++n) {
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GstBuffer *buf;
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GstVideoOverlayRectangle *rect;
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guint stride;
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guint width, height, stride;
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GstVaapiImageFormat format;
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GstVaapiImage *subtitle_image;
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GstVaapiRectangle sub_rect;
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GstVaapiSubpicture *subpicture;
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GstVaapiImageRaw raw_image;
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rect = gst_video_overlay_composition_get_rectangle (composition, n);
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buf = gst_video_overlay_rectangle_get_pixels_argb (rect,
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&stride, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
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buf = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect,
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&width, &height, &stride, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
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/* XXX: use gst_vaapi_image_format_from_video() */
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#if G_BYTE_ORDER == G_LITTLE_ENDIAN
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format = GST_VAAPI_IMAGE_BGRA;
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#else
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format = GST_VAAPI_IMAGE_ARGB;
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#endif
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subtitle_image = gst_vaapi_image_new (display, format, width, height);
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if (!subtitle_image)
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return FALSE;
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raw_image.format = format;
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raw_image.width = width;
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raw_image.height = height;
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raw_image.num_planes = 1;
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raw_image.pixels[0] = GST_BUFFER_DATA(buf);
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raw_image.stride[0] = stride;
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if (!gst_vaapi_image_update_from_raw (subtitle_image, &raw_image, NULL)) {
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GST_WARNING ("could not update VA image with subtitle data");
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g_object_unref (subtitle_image);
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return FALSE;
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}
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gst_video_overlay_rectangle_get_render_rectangle (rect,
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(gint *)&sub_rect.x, (gint *)&sub_rect.y,
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&sub_rect.width, &sub_rect.height);
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subtitle_image = gst_vaapi_image_new (display,
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GST_VAAPI_IMAGE_RGBA, sub_rect.width, sub_rect.height);
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if (!gst_vaapi_image_update_from_buffer (subtitle_image, buf, &sub_rect)) {
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GST_WARNING ("could not update VA image with subtitle data");
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g_object_unref (subtitle_image);
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return FALSE;
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}
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subpicture = gst_vaapi_subpicture_new (subtitle_image);
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g_object_unref (subtitle_image);
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