#define MINIMUM_OUTLINE_OFFSET 1.0
#define DEFAULT_SCALE_BASIS 640
-#define COMP_Y(ret, r, g, b) \
-{ \
- ret = (int) (((19595 * r) >> 16) + ((38470 * g) >> 16) + ((7471 * b) >> 16)); \
- ret = CLAMP (ret, 0, 255); \
-}
-
-#define COMP_U(ret, r, g, b) \
-{ \
- ret = (int) (-((11059 * r) >> 16) - ((21709 * g) >> 16) + ((32768 * b) >> 16) + 128); \
- ret = CLAMP (ret, 0, 255); \
-}
-
-#define COMP_V(ret, r, g, b) \
-{ \
- ret = (int) (((32768 * r) >> 16) - ((27439 * g) >> 16) - ((5329 * b) >> 16) + 128); \
- ret = CLAMP (ret, 0, 255); \
-}
-
-#define BLEND(ret, alpha, v0, v1) \
-{ \
- ret = (v0 * alpha + v1 * (255 - alpha)) / 255; \
-}
-
-#define OVER(ret, alphaA, Ca, alphaB, Cb, alphaNew) \
-{ \
- gint _tmp; \
- _tmp = (Ca * alphaA + Cb * alphaB * (255 - alphaA) / 255) / alphaNew; \
- ret = CLAMP (_tmp, 0, 255); \
-}
-
-#if G_BYTE_ORDER == G_LITTLE_ENDIAN
-# define CAIRO_ARGB_A 3
-# define CAIRO_ARGB_R 2
-# define CAIRO_ARGB_G 1
-# define CAIRO_ARGB_B 0
-#else
-# define CAIRO_ARGB_A 0
-# define CAIRO_ARGB_R 1
-# define CAIRO_ARGB_G 2
-# define CAIRO_ARGB_B 3
-#endif
-
enum
{
PROP_0,
PROP_LAST
};
-/* FIXME: video-blend.c doesn't support formats with more than 8 bit per
- * component (which get unpacked into ARGB64 or AYUV64) yet, such as:
- * v210, v216, UYVP, GRAY16_LE, GRAY16_BE */
-#define VIDEO_FORMATS "{ BGRx, RGBx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR, \
- I420, YV12, AYUV, YUY2, UYVY, v308, Y41B, Y42B, Y444, \
- NV12, NV21, A420, YUV9, YVU9, IYU1, GRAY8 }"
+#define VIDEO_FORMATS GST_VIDEO_OVERLAY_COMPOSITION_BLEND_FORMATS
static GstStaticPadTemplate src_template_factory =
GST_STATIC_PAD_TEMPLATE ("src",
"Shift Y position up or down. Unit is pixels.", G_MININT, G_MAXINT,
DEFAULT_PROP_DELTAY, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
- * GstBaseTextOverlay:xpos
+ * GstBaseTextOverlay:xpos:
*
* Horizontal position of the rendered text when using positioned alignment.
- *
- * Since: 0.10.31
- **/
+ */
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_XPOS,
g_param_spec_double ("xpos", "horizontal position",
"Horizontal position when using position alignment", 0, 1.0,
DEFAULT_PROP_XPOS,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
/**
- * GstBaseTextOverlay:ypos
+ * GstBaseTextOverlay:ypos:
*
* Vertical position of the rendered text when using positioned alignment.
- *
- * Since: 0.10.31
- **/
+ */
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_YPOS,
g_param_spec_double ("ypos", "vertical position",
"Vertical position when using position alignment", 0, 1.0,
"for syntax.", DEFAULT_PROP_FONT_DESC,
G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
/**
- * GstBaseTextOverlay:color
+ * GstBaseTextOverlay:color:
*
* Color of the rendered text.
- *
- * Since: 0.10.31
- **/
+ */
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_COLOR,
g_param_spec_uint ("color", "Color",
"Color to use for text (big-endian ARGB).", 0, G_MAXUINT32,
DEFAULT_PROP_COLOR,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
/**
- * GstTextOverlay:outline-color
+ * GstTextOverlay:outline-color:
*
* Color of the outline of the rendered text.
- *
- * Since: 0.10.35
- **/
+ */
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_OUTLINE_COLOR,
g_param_spec_uint ("outline-color", "Text Outline Color",
"Color to use for outline the text (big-endian ARGB).", 0,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
/**
- * GstBaseTextOverlay:line-alignment
+ * GstBaseTextOverlay:line-alignment:
*
* Alignment of text lines relative to each other (for multi-line text)
- *
- * Since: 0.10.15
- **/
+ */
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_LINE_ALIGNMENT,
g_param_spec_enum ("line-alignment", "line alignment",
"Alignment of text lines relative to each other.",
GST_TYPE_BASE_TEXT_OVERLAY_LINE_ALIGN, DEFAULT_PROP_LINE_ALIGNMENT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
- * GstBaseTextOverlay:silent
+ * GstBaseTextOverlay:silent:
*
* If set, no text is rendered. Useful to switch off text rendering
* temporarily without removing the textoverlay element from the pipeline.
- *
- * Since: 0.10.15
- **/
+ */
/* FIXME 0.11: rename to "visible" or "text-visible" or "render-text" */
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SILENT,
g_param_spec_boolean ("silent", "silent",
DEFAULT_PROP_SILENT,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
/**
- * GstBaseTextOverlay:wait-text
+ * GstBaseTextOverlay:wait-text:
*
* If set, the video will block until a subtitle is received on the text pad.
* If video and subtitles are sent in sync, like from the same demuxer, this
* property should be set.
- *
- * Since: 0.10.20
- **/
+ */
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_WAIT_TEXT,
g_param_spec_boolean ("wait-text", "Wait Text",
"Whether to wait for subtitles",
break;
}
default:
- ret = gst_pad_peer_query (overlay->video_sinkpad, query);
+ ret = gst_pad_query_default (pad, parent, query);
break;
}
/* draw shadow text */
{
- PangoAttrList *origin_attr, *filtered_attr;
+ PangoAttrList *origin_attr, *filtered_attr, *temp_attr;
+ /* Store a ref on the original attributes for later restoration */
origin_attr =
pango_attr_list_ref (pango_layout_get_attributes (overlay->layout));
+ /* Take a copy of the original attributes, because pango_attr_list_filter
+ * modifies the passed list */
+ temp_attr = pango_attr_list_copy (origin_attr);
filtered_attr =
- pango_attr_list_filter (pango_attr_list_copy (origin_attr),
+ pango_attr_list_filter (temp_attr,
gst_text_overlay_filter_foreground_attr, NULL);
+ pango_attr_list_unref (temp_attr);
cairo_save (cr);
cairo_translate (cr, overlay->shadow_offset, overlay->shadow_offset);
}
}
+static void
+gst_base_text_overlay_shade_IYU1 (GstBaseTextOverlay * overlay,
+ GstVideoFrame * frame, gint x0, gint x1, gint y0, gint y1)
+{
+ gint y, x, stride, shading_val, tmp;
+ guint8 *p;
+
+ shading_val = overlay->shading_value;
+ stride = GST_VIDEO_FRAME_PLANE_STRIDE (frame, 0);
+
+ /* IYU1: packed 4:1:1 YUV (Cb-Y0-Y1-Cr-Y2-Y3 ...) */
+ for (y = y0; y < y1; ++y) {
+ p = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
+ /* move to Y0 or Y1 (we pretend the chroma is the last of the 3 bytes) */
+ /* FIXME: we're not pixel-exact here if x0 is an odd number, but it's
+ * unlikely anyone will notice.. */
+ p += (y * stride) + ((x0 / 2) * 3) + 1;
+ for (x = x0; x < x1; x += 2) {
+ tmp = *p + shading_val;
+ *p++ = CLAMP (tmp, 0, 255);
+ tmp = *p + shading_val;
+ *p++ = CLAMP (tmp, 0, 255);
+ /* skip chroma */
+ p++;
+ }
+ }
+}
+
#define ARGB_SHADE_FUNCTION(name, OFFSET) \
static inline void \
gst_base_text_overlay_shade_##name (GstBaseTextOverlay * overlay, GstVideoFrame * dest, \
case GST_VIDEO_FORMAT_YUV9:
case GST_VIDEO_FORMAT_YVU9:
case GST_VIDEO_FORMAT_GRAY8:
+ case GST_VIDEO_FORMAT_A420:
gst_base_text_overlay_shade_planar_Y (overlay, frame, x0, x1, y0, y1);
break;
case GST_VIDEO_FORMAT_AYUV:
case GST_VIDEO_FORMAT_RGB:
gst_base_text_overlay_shade_rgb24 (overlay, frame, x0, x1, y0, y1);
break;
+ case GST_VIDEO_FORMAT_IYU1:
+ gst_base_text_overlay_shade_IYU1 (overlay, frame, x0, x1, y0, y1);
+ break;
default:
GST_FIXME_OBJECT (overlay, "implement background shading for format %s",
gst_video_format_to_string (GST_VIDEO_FRAME_FORMAT (frame)));
projects / platform / upstream / gstreamer.git / blobdiff