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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-28 03:00:35 +00:00
videooverlaycomposition: replace API parameters with required video meta on pixel data
This commit is contained in:
Mark Nauwelaerts
parent
d8a9c18e81
commit
f89c7b605f
3 changed files with 133 additions and 118 deletions
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@ -100,9 +100,6 @@ struct _GstVideoOverlayRectangle
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/* Info on overlay pixels (format, width, height) */
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GstVideoInfo info;
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/* cached stride */
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guint stride;
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/* The flags associated to this rectangle */
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GstVideoOverlayFormatFlags flags;
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@ -642,9 +639,6 @@ gst_video_overlay_rectangle_is_same_alpha_type (GstVideoOverlayFormatFlags
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/**
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* gst_video_overlay_rectangle_new_argb:
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* @pixels: (transfer none): a #GstBuffer pointing to the pixel memory
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* @width: the width of the rectangle in @pixels
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* @height: the height of the rectangle in @pixels
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* @stride: the stride of the rectangle in @pixels in bytes (>= 4*width)
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* @render_x: the X co-ordinate on the video where the top-left corner of this
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* overlay rectangle should be rendered to
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* @render_y: the Y co-ordinate on the video where the top-left corner of this
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@ -662,29 +656,44 @@ gst_video_overlay_rectangle_is_same_alpha_type (GstVideoOverlayFormatFlags
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* component value. Unless specified in the flags, the RGB values are
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* non-premultiplied. This is the format that is used by most hardware,
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* and also many rendering libraries such as Cairo, for example.
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* The pixel data buffer must have #GstVideoMeta set.
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*
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* Returns: (transfer full): a new #GstVideoOverlayRectangle. Unref with
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* gst_video_overlay_rectangle_unref() when no longer needed.
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*/
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GstVideoOverlayRectangle *
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gst_video_overlay_rectangle_new_argb (GstBuffer * pixels,
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guint width, guint height, guint stride, gint render_x, gint render_y,
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guint render_width, guint render_height, GstVideoOverlayFormatFlags flags)
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gint render_x, gint render_y, guint render_width, guint render_height,
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GstVideoOverlayFormatFlags flags)
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{
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GstVideoOverlayRectangle *rect;
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GstVideoFormat format;
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gint strides[GST_VIDEO_MAX_PLANES];
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gsize offsets[GST_VIDEO_MAX_PLANES];
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GstVideoMeta *vmeta;
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guint width, height;
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g_return_val_if_fail (GST_IS_BUFFER (pixels), NULL);
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/* technically ((height-1)*stride)+width might be okay too */
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g_return_val_if_fail (gst_buffer_get_size (pixels) >= height * stride, NULL);
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g_return_val_if_fail (gst_buffer_is_writable (pixels), NULL);
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g_return_val_if_fail (stride >= (4 * width), NULL);
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g_return_val_if_fail (height > 0 && width > 0, NULL);
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g_return_val_if_fail (render_height > 0 && render_width > 0, NULL);
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g_return_val_if_fail (gst_video_overlay_rectangle_check_flags (flags), NULL);
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#if G_BYTE_ORDER == G_LITTLE_ENDIAN
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format = GST_VIDEO_FORMAT_BGRA;
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#else
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format = GST_VIDEO_FORMAT_ARGB;
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#endif
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/* buffer must have video meta with some expected settings */
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vmeta = gst_buffer_get_video_meta (pixels);
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g_return_val_if_fail (vmeta, NULL);
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g_return_val_if_fail (vmeta->format == format, NULL);
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g_return_val_if_fail (vmeta->flags == GST_VIDEO_FRAME_FLAG_NONE, NULL);
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width = vmeta->width;
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height = vmeta->height;
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/* technically ((height-1)*stride)+width might be okay too */
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g_return_val_if_fail (gst_buffer_get_size (pixels) >= height * width, NULL);
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g_return_val_if_fail (height > 0 && width > 0, NULL);
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rect = (GstVideoOverlayRectangle *) g_slice_new0 (GstVideoOverlayRectangle);
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gst_mini_object_init (GST_MINI_OBJECT_CAST (rect), 0,
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@ -694,16 +703,6 @@ gst_video_overlay_rectangle_new_argb (GstBuffer * pixels,
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g_mutex_init (&rect->lock);
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#if G_BYTE_ORDER == G_LITTLE_ENDIAN
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format = GST_VIDEO_FORMAT_BGRA;
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#else
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format = GST_VIDEO_FORMAT_ARGB;
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#endif
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strides[0] = stride;
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offsets[0] = 0;
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gst_buffer_add_video_meta_full (pixels, GST_VIDEO_FRAME_FLAG_NONE,
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format, width, height, 1, offsets, strides);
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rect->pixels = gst_buffer_ref (pixels);
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rect->scaled_rectangles = NULL;
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@ -716,7 +715,6 @@ gst_video_overlay_rectangle_new_argb (GstBuffer * pixels,
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rect->y = render_y;
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rect->render_width = render_width;
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rect->render_height = render_height;
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rect->stride = stride;
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rect->global_alpha = 1.0;
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rect->applied_global_alpha = 1.0;
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@ -936,8 +934,7 @@ gst_video_overlay_rectangle_apply_global_alpha (GstVideoOverlayRectangle * rect,
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static GstBuffer *
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gst_video_overlay_rectangle_get_pixels_argb_internal (GstVideoOverlayRectangle *
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rectangle, guint * stride, GstVideoOverlayFormatFlags flags,
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gboolean unscaled)
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rectangle, GstVideoOverlayFormatFlags flags, gboolean unscaled)
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{
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GstVideoOverlayFormatFlags new_flags;
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GstVideoOverlayRectangle *scaled_rect = NULL;
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@ -952,7 +949,6 @@ gst_video_overlay_rectangle_get_pixels_argb_internal (GstVideoOverlayRectangle *
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gboolean revert_global_alpha;
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g_return_val_if_fail (GST_IS_VIDEO_OVERLAY_RECTANGLE (rectangle), NULL);
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g_return_val_if_fail (stride != NULL, NULL);
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g_return_val_if_fail (gst_video_overlay_rectangle_check_flags (flags), NULL);
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width = GST_VIDEO_INFO_WIDTH (&rectangle->info);
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@ -976,7 +972,6 @@ gst_video_overlay_rectangle_get_pixels_argb_internal (GstVideoOverlayRectangle *
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if ((!apply_global_alpha
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|| rectangle->applied_global_alpha == rectangle->global_alpha)
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&& (!revert_global_alpha || rectangle->applied_global_alpha == 1.0)) {
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*stride = rectangle->stride;
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return rectangle->pixels;
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} else {
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/* only apply/revert global-alpha */
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@ -1012,6 +1007,8 @@ gst_video_overlay_rectangle_get_pixels_argb_internal (GstVideoOverlayRectangle *
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gst_video_blend_scale_linear_RGBA (&rectangle->info, rectangle->pixels,
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wanted_height, wanted_width, &scaled_info, &buf);
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info = scaled_info;
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gst_buffer_add_video_meta (buf, GST_VIDEO_FRAME_FLAG_NONE,
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GST_VIDEO_INFO_FORMAT (&rectangle->info), wanted_width, wanted_height);
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} else {
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/* if we don't have to scale, we have to modify the alpha values, so we
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* need to make a copy of the pixel memory (and we take ownership below) */
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@ -1033,7 +1030,6 @@ gst_video_overlay_rectangle_get_pixels_argb_internal (GstVideoOverlayRectangle *
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gst_video_frame_unmap (&frame);
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scaled_rect = gst_video_overlay_rectangle_new_argb (buf,
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wanted_width, wanted_height, info.stride[0],
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0, 0, wanted_width, wanted_height, new_flags);
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if (rectangle->global_alpha != 1.0)
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gst_video_overlay_rectangle_set_global_alpha (scaled_rect,
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@ -1059,7 +1055,6 @@ done:
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}
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GST_RECTANGLE_UNLOCK (rectangle);
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*stride = scaled_rect->stride;
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return scaled_rect->pixels;
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}
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@ -1067,8 +1062,6 @@ done:
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/**
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* gst_video_overlay_rectangle_get_pixels_argb:
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* @rectangle: a #GstVideoOverlayRectangle
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* @stride: (out) (allow-none): address of guint variable where to store the
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* row stride of the ARGB pixel data in the buffer
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* @flags: flags
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* If a global_alpha value != 1 is set for the rectangle, the caller
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* should set the #GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA flag
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@ -1076,28 +1069,22 @@ done:
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* global_alpha is applied internally before returning the pixel-data.
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*
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* Returns: (transfer none): a #GstBuffer holding the ARGB pixel data with
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* row stride @stride and width and height of the render dimensions as per
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* width and height of the render dimensions as per
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* gst_video_overlay_rectangle_get_render_rectangle(). This function does
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* not return a reference, the caller should obtain a reference of her own
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* with gst_buffer_ref() if needed.
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*/
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GstBuffer *
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gst_video_overlay_rectangle_get_pixels_argb (GstVideoOverlayRectangle *
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rectangle, guint * stride, GstVideoOverlayFormatFlags flags)
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rectangle, GstVideoOverlayFormatFlags flags)
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{
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return gst_video_overlay_rectangle_get_pixels_argb_internal (rectangle,
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stride, flags, FALSE);
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flags, FALSE);
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}
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/**
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* gst_video_overlay_rectangle_get_pixels_unscaled_argb:
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* @rectangle: a #GstVideoOverlayRectangle
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* @width: (out): address where to store the width of the unscaled
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* rectangle in pixels
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* @height: (out): address where to store the height of the unscaled
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* rectangle in pixels
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* @stride: (out): address of guint variable where to store the row
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* stride of the ARGB pixel data in the buffer
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* @flags: flags.
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* If a global_alpha value != 1 is set for the rectangle, the caller
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* should set the #GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA flag
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@ -1110,23 +1097,17 @@ gst_video_overlay_rectangle_get_pixels_argb (GstVideoOverlayRectangle *
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* gst_video_overlay_rectangle_get_render_rectangle().
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*
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* Returns: (transfer none): a #GstBuffer holding the ARGB pixel data with
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* row stride @stride. This function does not return a reference, the caller
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* #GstVideoMeta set. This function does not return a reference, the caller
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* should obtain a reference of her own with gst_buffer_ref() if needed.
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*/
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GstBuffer *
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gst_video_overlay_rectangle_get_pixels_unscaled_argb (GstVideoOverlayRectangle *
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rectangle, guint * width, guint * height, guint * stride,
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GstVideoOverlayFormatFlags flags)
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rectangle, GstVideoOverlayFormatFlags flags)
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{
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g_return_val_if_fail (GST_IS_VIDEO_OVERLAY_RECTANGLE (rectangle), NULL);
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g_return_val_if_fail (width != NULL, NULL);
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g_return_val_if_fail (height != NULL, NULL);
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g_return_val_if_fail (stride != NULL, NULL);
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*width = GST_VIDEO_INFO_WIDTH (&rectangle->info);
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*height = GST_VIDEO_INFO_HEIGHT (&rectangle->info);
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return gst_video_overlay_rectangle_get_pixels_argb_internal (rectangle,
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stride, flags, TRUE);
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flags, TRUE);
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}
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/**
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@ -1221,8 +1202,6 @@ gst_video_overlay_rectangle_copy (GstVideoOverlayRectangle * rectangle)
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g_return_val_if_fail (GST_IS_VIDEO_OVERLAY_RECTANGLE (rectangle), NULL);
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copy = gst_video_overlay_rectangle_new_argb (rectangle->pixels,
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GST_VIDEO_INFO_WIDTH (&rectangle->info),
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GST_VIDEO_INFO_HEIGHT (&rectangle->info), rectangle->stride,
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rectangle->x, rectangle->y,
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rectangle->render_width, rectangle->render_height, rectangle->flags);
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if (rectangle->global_alpha != 1)
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@ -101,11 +101,21 @@ typedef enum {
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GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA = 2
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} GstVideoOverlayFormatFlags;
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/**
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* GST_VIDEO_OVERLAY_COMPOSITION_FORMAT_RGB:
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*
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* Supported RGB overlay video format.
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*/
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#if G_BYTE_ORDER == G_LITTLE_ENDIAN
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#define GST_VIDEO_OVERLAY_COMPOSITION_FORMAT_RGB GST_VIDEO_FORMAT_BGRA
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#else
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#define GST_VIDEO_OVERLAY_COMPOSITION_FORMAT_RGB GST_VIDEO_FORMAT_ARGB
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#endif
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GType gst_video_overlay_rectangle_get_type (void);
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GstVideoOverlayRectangle * gst_video_overlay_rectangle_new_argb (GstBuffer * pixels,
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guint width, guint height, guint stride,
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gint render_x, gint render_y,
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gint render_x, gint render_y,
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guint render_width, guint render_height,
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GstVideoOverlayFormatFlags flags);
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@ -126,13 +136,9 @@ gboolean gst_video_overlay_rectangle_get_render_rectangle
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guint * render_height);
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GstBuffer * gst_video_overlay_rectangle_get_pixels_argb (GstVideoOverlayRectangle * rectangle,
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guint * stride,
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GstVideoOverlayFormatFlags flags);
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GstBuffer * gst_video_overlay_rectangle_get_pixels_unscaled_argb (GstVideoOverlayRectangle * rectangle,
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guint * width,
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guint * height,
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guint * stride,
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GstVideoOverlayFormatFlags flags);
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GstVideoOverlayFormatFlags gst_video_overlay_rectangle_get_flags (GstVideoOverlayRectangle * rectangle);
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@ -34,6 +34,7 @@
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#include <gst/check/gstcheck.h>
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#include <gst/video/video.h>
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#include <gst/video/gstvideometa.h>
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#include <gst/video/video-overlay-composition.h>
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#include <string.h>
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@ -871,6 +872,7 @@ GST_START_TEST (test_overlay_composition)
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GstVideoOverlayRectangle *rect1, *rect2;
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GstVideoOverlayCompositionMeta *ometa;
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GstBuffer *pix1, *pix2, *buf;
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GstVideoMeta *vmeta;
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guint seq1, seq2;
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guint w, h, stride;
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gint x, y;
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@ -879,7 +881,9 @@ GST_START_TEST (test_overlay_composition)
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pix1 = gst_buffer_new_and_alloc (200 * sizeof (guint32) * 50);
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gst_buffer_memset (pix1, 0, 0, gst_buffer_get_size (pix1));
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rect1 = gst_video_overlay_rectangle_new_argb (pix1, 200, 50, 200 * 4,
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gst_buffer_add_video_meta (pix1, GST_VIDEO_FRAME_FLAG_NONE,
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GST_VIDEO_OVERLAY_COMPOSITION_FORMAT_RGB, 200, 50);
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rect1 = gst_video_overlay_rectangle_new_argb (pix1,
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600, 50, 300, 50, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
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gst_buffer_unref (pix1);
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@ -939,8 +943,9 @@ GST_START_TEST (test_overlay_composition)
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fail_unless_equals_int (h, 51);
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/* get scaled pixbuf and touch last byte */
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pix1 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride,
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pix1 = gst_video_overlay_rectangle_get_pixels_argb (rect1,
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GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
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stride = 4 * w;
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fail_unless (gst_buffer_get_size (pix1) > ((h - 1) * stride + (w * 4) - 1),
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"size %u vs. last pixel offset %u", gst_buffer_get_size (pix1),
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((h - 1) * stride + (w * 4) - 1));
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@ -954,8 +959,9 @@ GST_START_TEST (test_overlay_composition)
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fail_unless_equals_int (h, 50);
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/* get scaled pixbuf and touch last byte */
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pix2 = gst_video_overlay_rectangle_get_pixels_argb (rect2, &stride,
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pix2 = gst_video_overlay_rectangle_get_pixels_argb (rect2,
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GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
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stride = 4 * w;
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fail_unless (gst_buffer_get_size (pix2) > ((h - 1) * stride + (w * 4) - 1),
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"size %u vs. last pixel offset %u", gst_buffer_get_size (pix1),
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((h - 1) * stride + (w * 4) - 1));
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@ -963,20 +969,26 @@ GST_START_TEST (test_overlay_composition)
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fail_unless_equals_int (val, 0);
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/* get scaled pixbuf again, should be the same buffer as before (caching) */
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pix1 = gst_video_overlay_rectangle_get_pixels_argb (rect2, &stride,
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pix1 = gst_video_overlay_rectangle_get_pixels_argb (rect2,
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GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
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fail_unless (pix1 == pix2);
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/* now compare the original unscaled ones */
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pix1 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w, &h,
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&stride, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
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pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect2, &w, &h,
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&stride, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
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pix1 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1,
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GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
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pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect2,
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GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
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vmeta = gst_buffer_get_video_meta (pix2);
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fail_unless (vmeta != NULL);
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w = vmeta->width;
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h = vmeta->height;
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/* the original pixel buffers should be identical */
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fail_unless (pix1 == pix2);
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fail_unless_equals_int (w, 200);
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fail_unless_equals_int (h, 50);
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stride = 4 * w;
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/* touch last byte */
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fail_unless (gst_buffer_get_size (pix1) > ((h - 1) * stride + (w * 4) - 1),
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@ -1023,43 +1035,54 @@ GST_END_TEST;
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GST_START_TEST (test_overlay_composition_premultiplied_alpha)
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{
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GstVideoOverlayRectangle *rect1;
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GstVideoMeta *vmeta;
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GstBuffer *pix1, *pix2, *pix3, *pix4, *pix5;
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GstBuffer *pix6, *pix7, *pix8, *pix9, *pix10;
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guint8 *data5, *data7;
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guint w, h, stride, w2, h2, stride2;
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guint w, h, w2, h2;
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GstMapInfo map;
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|
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pix1 = gst_buffer_new_and_alloc (200 * sizeof (guint32) * 50);
|
||||
gst_buffer_memset (pix1, 0, 0x80, gst_buffer_get_size (pix1));
|
||||
|
||||
rect1 = gst_video_overlay_rectangle_new_argb (pix1, 200, 50, 200 * 4,
|
||||
gst_buffer_add_video_meta (pix1, GST_VIDEO_FRAME_FLAG_NONE,
|
||||
GST_VIDEO_OVERLAY_COMPOSITION_FORMAT_RGB, 200, 50);
|
||||
rect1 = gst_video_overlay_rectangle_new_argb (pix1,
|
||||
600, 50, 300, 50, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
|
||||
gst_buffer_unref (pix1);
|
||||
|
||||
/* same flags, unscaled, should be the same buffer */
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w, &h,
|
||||
&stride, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
|
||||
fail_unless (pix1 == pix2);
|
||||
|
||||
/* same flags, but scaled */
|
||||
pix3 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride,
|
||||
pix3 = gst_video_overlay_rectangle_get_pixels_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
|
||||
fail_if (pix3 == pix1 || pix3 == pix2);
|
||||
|
||||
/* same again, should hopefully get the same (cached) buffer as before */
|
||||
pix4 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride,
|
||||
pix4 = gst_video_overlay_rectangle_get_pixels_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
|
||||
fail_unless (pix4 == pix3);
|
||||
|
||||
/* just to update the vars */
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w, &h,
|
||||
&stride, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
|
||||
|
||||
vmeta = gst_buffer_get_video_meta (pix2);
|
||||
fail_unless (vmeta != NULL);
|
||||
w = vmeta->width;
|
||||
h = vmeta->height;
|
||||
|
||||
/* now, let's try to get premultiplied alpha from the unpremultiplied input */
|
||||
pix5 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w2, &h2,
|
||||
&stride2, GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
|
||||
pix5 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
|
||||
fail_if (pix5 == pix1 || pix5 == pix2 || pix5 == pix3);
|
||||
fail_unless_equals_int (stride, stride2);
|
||||
vmeta = gst_buffer_get_video_meta (pix5);
|
||||
fail_unless (vmeta != NULL);
|
||||
w2 = vmeta->width;
|
||||
h2 = vmeta->height;
|
||||
fail_unless_equals_int (w, w2);
|
||||
fail_unless_equals_int (h, h2);
|
||||
fail_unless_equals_int (gst_buffer_get_size (pix2),
|
||||
|
|
@ -1085,20 +1108,19 @@ GST_START_TEST (test_overlay_composition_premultiplied_alpha)
|
|||
|
||||
/* same again, now we should be getting back the same buffer as before,
|
||||
* as it should have been cached */
|
||||
pix6 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w2, &h2,
|
||||
&stride2, GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
|
||||
pix6 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
|
||||
fail_unless (pix6 == pix5);
|
||||
|
||||
/* just to update the stride var */
|
||||
pix3 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride,
|
||||
pix3 = gst_video_overlay_rectangle_get_pixels_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
|
||||
fail_unless (pix3 == pix4);
|
||||
|
||||
/* now try to get scaled premultiplied alpha from unpremultiplied input */
|
||||
pix7 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride2,
|
||||
pix7 = gst_video_overlay_rectangle_get_pixels_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
|
||||
fail_if (pix7 == pix1 || pix7 == pix2 || pix7 == pix3 || pix7 == pix5);
|
||||
fail_unless_equals_int (stride, stride2);
|
||||
|
||||
gst_buffer_map (pix7, &map, GST_MAP_READ);
|
||||
data7 = map.data;
|
||||
|
|
@ -1120,16 +1142,16 @@ GST_START_TEST (test_overlay_composition_premultiplied_alpha)
|
|||
gst_buffer_unmap (pix7, &map);
|
||||
|
||||
/* and the same again, it should be cached now */
|
||||
pix8 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride2,
|
||||
pix8 = gst_video_overlay_rectangle_get_pixels_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
|
||||
fail_unless (pix8 == pix7);
|
||||
|
||||
/* make sure other cached stuff is still there */
|
||||
pix9 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride,
|
||||
pix9 = gst_video_overlay_rectangle_get_pixels_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
|
||||
fail_unless (pix9 == pix3);
|
||||
pix10 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w2, &h2,
|
||||
&stride2, GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
|
||||
pix10 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
|
||||
fail_unless (pix10 == pix5);
|
||||
|
||||
gst_video_overlay_rectangle_unref (rect1);
|
||||
|
|
@ -1141,8 +1163,9 @@ GST_START_TEST (test_overlay_composition_global_alpha)
|
|||
{
|
||||
GstVideoOverlayRectangle *rect1;
|
||||
GstBuffer *pix1, *pix2, *pix3, *pix4, *pix5;
|
||||
GstVideoMeta *vmeta;
|
||||
guint8 *data2, *data4, *data5;
|
||||
guint w, h, stride, stride3, w4, h4, stride4, stride5;
|
||||
guint w, h, w4, h4;
|
||||
guint seq1, seq2;
|
||||
gfloat ga1, ga2;
|
||||
GstVideoOverlayFormatFlags flags1;
|
||||
|
|
@ -1151,25 +1174,35 @@ GST_START_TEST (test_overlay_composition_global_alpha)
|
|||
pix1 = gst_buffer_new_and_alloc (200 * sizeof (guint32) * 50);
|
||||
gst_buffer_memset (pix1, 0, 0x80, gst_buffer_get_size (pix1));
|
||||
|
||||
rect1 = gst_video_overlay_rectangle_new_argb (pix1, 200, 50, 200 * 4,
|
||||
gst_buffer_add_video_meta (pix1, GST_VIDEO_FRAME_FLAG_NONE,
|
||||
GST_VIDEO_OVERLAY_COMPOSITION_FORMAT_RGB, 200, 50);
|
||||
rect1 = gst_video_overlay_rectangle_new_argb (pix1,
|
||||
600, 50, 300, 50, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
|
||||
gst_buffer_unref (pix1);
|
||||
|
||||
/* same flags, unscaled, should be the same buffer */
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w, &h,
|
||||
&stride, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
|
||||
fail_unless (pix1 == pix2);
|
||||
|
||||
vmeta = gst_buffer_get_video_meta (pix2);
|
||||
fail_unless (vmeta != NULL);
|
||||
w = vmeta->width;
|
||||
h = vmeta->height;
|
||||
|
||||
/* same flags, but scaled */
|
||||
pix3 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride3,
|
||||
pix3 = gst_video_overlay_rectangle_get_pixels_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
|
||||
fail_if (pix3 == pix1 || pix3 == pix2);
|
||||
|
||||
/* get unscaled premultiplied data, new cached rectangle should be created */
|
||||
pix4 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w4, &h4,
|
||||
&stride4, GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
|
||||
pix4 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
|
||||
fail_if (pix4 == pix2 || pix4 == pix3);
|
||||
fail_unless_equals_int (stride, stride4);
|
||||
vmeta = gst_buffer_get_video_meta (pix4);
|
||||
fail_unless (vmeta != NULL);
|
||||
w4 = vmeta->width;
|
||||
h4 = vmeta->height;
|
||||
fail_unless_equals_int (w, w4);
|
||||
fail_unless_equals_int (h, h4);
|
||||
fail_unless_equals_int (gst_buffer_get_size (pix2),
|
||||
|
|
@ -1194,11 +1227,10 @@ GST_START_TEST (test_overlay_composition_global_alpha)
|
|||
gst_buffer_unmap (pix4, &map);
|
||||
|
||||
/* now premultiplied and scaled, again a new cached rectangle should be cached */
|
||||
pix5 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride5,
|
||||
pix5 = gst_video_overlay_rectangle_get_pixels_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
|
||||
fail_if (pix5 == pix2 || pix5 == pix3 || pix5 == pix4);
|
||||
/* stride and size should be equal to the first scaled rect */
|
||||
fail_unless_equals_int (stride5, stride3);
|
||||
fail_unless_equals_int (gst_buffer_get_size (pix5),
|
||||
gst_buffer_get_size (pix3));
|
||||
/* data should be different (premutliplied) though */
|
||||
|
|
@ -1240,8 +1272,8 @@ GST_START_TEST (test_overlay_composition_global_alpha)
|
|||
fail_unless_equals_int (flags1, GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA);
|
||||
|
||||
/* request unscaled pixel-data, global-alpha not applied */
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w, &h,
|
||||
&stride, GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA);
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA);
|
||||
/* this should just return the same buffer */
|
||||
fail_unless (pix2 == pix1);
|
||||
/* make sure we got the initial data (input=0x80808080) */
|
||||
|
|
@ -1263,8 +1295,8 @@ GST_START_TEST (test_overlay_composition_global_alpha)
|
|||
gst_buffer_unmap (pix2, &map);
|
||||
|
||||
/* unscaled pixel-data, global-alpha applied */
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w, &h,
|
||||
&stride, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
|
||||
/* this should be the same buffer with on-the-fly modified alpha-channel */
|
||||
fail_unless (pix2 == pix1);
|
||||
gst_buffer_map (pix2, &map, GST_MAP_READ);
|
||||
|
|
@ -1290,8 +1322,8 @@ GST_START_TEST (test_overlay_composition_global_alpha)
|
|||
ga2 = gst_video_overlay_rectangle_get_global_alpha (rect1);
|
||||
fail_unless_equals_float (ga2, 0.25);
|
||||
/* and again request unscaled pixel-data, global-alpha applied */
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w, &h,
|
||||
&stride, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
|
||||
fail_unless (pix2 == pix1);
|
||||
/* make sure we got the initial data with adjusted alpha-channel */
|
||||
gst_buffer_map (pix2, &map, GST_MAP_READ);
|
||||
|
|
@ -1313,8 +1345,8 @@ GST_START_TEST (test_overlay_composition_global_alpha)
|
|||
|
||||
/* again: unscaled pixel-data, global-alpha not applied,
|
||||
* this should revert alpha-channel to initial values */
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w, &h,
|
||||
&stride, GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA);
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA);
|
||||
fail_unless (pix2 == pix1);
|
||||
/* make sure we got the initial data (input=0x80808080) */
|
||||
gst_buffer_map (pix2, &map, GST_MAP_READ);
|
||||
|
|
@ -1335,7 +1367,7 @@ GST_START_TEST (test_overlay_composition_global_alpha)
|
|||
gst_buffer_unmap (pix2, &map);
|
||||
|
||||
/* now scaled, global-alpha not applied */
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride,
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA);
|
||||
/* this should just return the rect/buffer, that was cached for these
|
||||
* scaling dimensions */
|
||||
|
|
@ -1359,7 +1391,7 @@ GST_START_TEST (test_overlay_composition_global_alpha)
|
|||
gst_buffer_unmap (pix2, &map);
|
||||
|
||||
/* scaled, global-alpha (0.25) applied */
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride,
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
|
||||
/* this should just return the rect/buffer, that was cached for these
|
||||
* scaling dimensions with modified alpha channel */
|
||||
|
|
@ -1384,8 +1416,8 @@ GST_START_TEST (test_overlay_composition_global_alpha)
|
|||
|
||||
/* now unscaled premultiplied data, global-alpha not applied,
|
||||
* is this really a valid use case?*/
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w, &h,
|
||||
&stride, GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA |
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA |
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA);
|
||||
/* this should just return the rect/buffer, that was cached for the
|
||||
* premultiplied data */
|
||||
|
|
@ -1409,8 +1441,8 @@ GST_START_TEST (test_overlay_composition_global_alpha)
|
|||
gst_buffer_unmap (pix2, &map);
|
||||
|
||||
/* unscaled premultiplied data, global-alpha (0.25) applied */
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w, &h,
|
||||
&stride, GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
|
||||
/* this should just return the rect/buffer, that was cached for the
|
||||
* premultiplied data */
|
||||
fail_unless (pix2 == pix4);
|
||||
|
|
@ -1440,8 +1472,8 @@ GST_START_TEST (test_overlay_composition_global_alpha)
|
|||
gst_video_overlay_rectangle_set_global_alpha (rect1, 0.75);
|
||||
/* and verify that also premultiplied data is adjusted
|
||||
* correspondingly (though with increasing rounding errors) */
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1, &w, &h,
|
||||
&stride, GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_unscaled_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
|
||||
/* this should just return the rect/buffer, that was cached for the
|
||||
* premultiplied data */
|
||||
fail_unless (pix2 == pix4);
|
||||
|
|
@ -1468,13 +1500,12 @@ GST_START_TEST (test_overlay_composition_global_alpha)
|
|||
|
||||
/* now scaled and premultiplied data, global-alpha not applied,
|
||||
* is this really a valid use case?*/
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride,
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA |
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA);
|
||||
/* this should just return the rect/buffer, that was cached for the
|
||||
* first premultiplied+scaled rect*/
|
||||
fail_unless (pix2 == pix5);
|
||||
fail_unless (stride == stride5);
|
||||
/* make sure we got what we expected */
|
||||
gst_buffer_map (pix2, &map, GST_MAP_READ);
|
||||
data2 = map.data;
|
||||
|
|
@ -1494,12 +1525,11 @@ GST_START_TEST (test_overlay_composition_global_alpha)
|
|||
gst_buffer_unmap (pix2, &map);
|
||||
|
||||
/* scaled and premultiplied data, global-alpha applied */
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_argb (rect1, &stride,
|
||||
pix2 = gst_video_overlay_rectangle_get_pixels_argb (rect1,
|
||||
GST_VIDEO_OVERLAY_FORMAT_FLAG_PREMULTIPLIED_ALPHA);
|
||||
/* this should just return the rect/buffer, that was cached for the
|
||||
* first premultiplied+scaled rect*/
|
||||
fail_unless (pix2 == pix5);
|
||||
fail_unless (stride == stride5);
|
||||
/* make sure we got what we expected; see above note about rounding errors! */
|
||||
gst_buffer_map (pix2, &map, GST_MAP_READ);
|
||||
data2 = map.data;
|
||||
|
|
|
|||
Loading…
Reference in a new issue