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-rw-r--r--multimedia/gstreamer-plugins80/files/patch-ext_cairo_gsttextoverlay.c249
1 files changed, 249 insertions, 0 deletions
diff --git a/multimedia/gstreamer-plugins80/files/patch-ext_cairo_gsttextoverlay.c b/multimedia/gstreamer-plugins80/files/patch-ext_cairo_gsttextoverlay.c
new file mode 100644
index 000000000..7da96c50b
--- /dev/null
+++ b/multimedia/gstreamer-plugins80/files/patch-ext_cairo_gsttextoverlay.c
@@ -0,0 +1,249 @@
+--- ext/cairo/gsttextoverlay.c.orig Sun Jun 12 10:43:32 2005
++++ ext/cairo/gsttextoverlay.c Sun Jun 12 10:44:04 2005
+@@ -84,18 +84,9 @@
+
+ static GstElementClass *parent_class = NULL;
+
+-/*static guint gst_textoverlay_signals[LAST_SIGNAL] = { 0 }; */
+-
+-/* This is for cairo 0.4, remove once we require 0.5 */
+-#ifndef CAIRO_API_SHAKEUP_FLAG_DAY
+-#define cairo_set_source_rgba(cr,red,green,blue,alpha) {\
+- cairo_set_rgb_color(cr,red,green,blue); \
+- cairo_set_alpha(cr,alpha); }
+-#endif
+-
+
+ GType
+-gst_textoverlay_get_type (void)
++gst_cairotextoverlay_get_type (void)
+ {
+ static GType textoverlay_type = 0;
+
+@@ -113,7 +104,7 @@
+ };
+
+ textoverlay_type =
+- g_type_register_static (GST_TYPE_ELEMENT, "GstTextOverlay",
++ g_type_register_static (GST_TYPE_ELEMENT, "GstCairoTextOverlay",
+ &textoverlay_info, 0);
+ }
+ return textoverlay_type;
+@@ -221,30 +212,37 @@
+ int textlen)
+ {
+ cairo_text_extents_t extents;
++ cairo_surface_t *surface;
++ cairo_t *cr;
+ char *string;
+ double x, y;
+
+ string = g_strndup (text, textlen);
+
+- if (overlay->text_fill_image)
+- g_free (overlay->text_fill_image);
+ overlay->text_fill_image =
+- g_malloc (4 * overlay->width * overlay->text_height);
+- cairo_set_target_image (overlay->cr, (gchar *) overlay->text_fill_image,
++ g_realloc (overlay->text_fill_image,
++ 4 * overlay->width * overlay->text_height);
++
++ surface = cairo_image_surface_create_for_data (overlay->text_fill_image,
+ CAIRO_FORMAT_ARGB32, overlay->width, overlay->text_height,
+ overlay->width * 4);
+
+- cairo_save (overlay->cr);
+- cairo_rectangle (overlay->cr, 0, 0, overlay->width, overlay->text_height);
+- cairo_set_source_rgba (overlay->cr, 0, 0, 0, 1.0);
+-
+- cairo_set_operator (overlay->cr, CAIRO_OPERATOR_SRC);
+- cairo_fill (overlay->cr);
+- cairo_restore (overlay->cr);
+-
+- cairo_save (overlay->cr);
+- cairo_text_extents (overlay->cr, (guchar *) string, &extents);
+- cairo_set_source_rgba (overlay->cr, 1, 1, 1, 1.0);
++ cr = cairo_create (surface);
++
++ cairo_select_font_face (cr, overlay->font, overlay->slant, overlay->weight);
++ cairo_set_font_size (cr, overlay->scale);
++
++ cairo_save (cr);
++ cairo_rectangle (cr, 0, 0, overlay->width, overlay->text_height);
++ cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
++
++ cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
++ cairo_fill (cr);
++ cairo_restore (cr);
++
++ cairo_save (cr);
++ cairo_text_extents (cr, string, &extents);
++ cairo_set_source_rgba (cr, 1, 1, 1, 1.0);
+
+ switch (overlay->halign) {
+ case GST_TEXT_OVERLAY_HALIGN_LEFT:
+@@ -260,42 +258,53 @@
+ x = 0;
+ }
+ y = overlay->text_height - 2;
+- cairo_move_to (overlay->cr, x, y);
+- cairo_show_text (overlay->cr, (guchar *) string);
+- cairo_restore (overlay->cr);
++ cairo_move_to (cr, x, y);
++ cairo_show_text (cr, string);
++ cairo_restore (cr);
++
++ cairo_destroy (cr);
++ cairo_surface_destroy (surface);
++
++ /* ----------- */
+
+- if (overlay->text_outline_image)
+- g_free (overlay->text_outline_image);
+ overlay->text_outline_image =
+- g_malloc (4 * overlay->width * overlay->text_height);
+- cairo_set_target_image (overlay->cr, (gchar *) overlay->text_outline_image,
++ g_realloc (overlay->text_outline_image,
++ 4 * overlay->width * overlay->text_height);
++
++ surface = cairo_image_surface_create_for_data (overlay->text_outline_image,
+ CAIRO_FORMAT_ARGB32, overlay->width, overlay->text_height,
+ overlay->width * 4);
+
+- cairo_save (overlay->cr);
+- cairo_rectangle (overlay->cr, 0, 0, overlay->width, overlay->text_height);
+- cairo_set_source_rgba (overlay->cr, 0, 0, 0, 1.0);
+- cairo_set_operator (overlay->cr, CAIRO_OPERATOR_SRC);
+- cairo_fill (overlay->cr);
+- cairo_restore (overlay->cr);
+-
+- cairo_save (overlay->cr);
+- cairo_move_to (overlay->cr, x, y);
+- cairo_set_source_rgba (overlay->cr, 1, 1, 1, 1.0);
+- cairo_set_line_width (overlay->cr, 1.0);
+- cairo_text_path (overlay->cr, (guchar *) string);
+- cairo_stroke (overlay->cr);
+- cairo_restore (overlay->cr);
++ cr = cairo_create (surface);
+
+- g_free (string);
+-}
++ cairo_select_font_face (cr, overlay->font, overlay->slant, overlay->weight);
++ cairo_set_font_size (cr, overlay->scale);
+
+-/* static GstPadLinkReturn */
+-/* gst_textoverlay_text_sinkconnect (GstPad *pad, GstCaps *caps) */
+-/* { */
+-/* return GST_PAD_LINK_DONE; */
+-/* } */
++/*
++ cairo_set_target_image (cr, (gchar*) overlay->text_outline_image,
++ CAIRO_FORMAT_ARGB32, overlay->width, overlay->text_height,
++ overlay->width * 4);
++*/
++ cairo_save (cr);
++ cairo_rectangle (cr, 0, 0, overlay->width, overlay->text_height);
++ cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
++ cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
++ cairo_fill (cr);
++ cairo_restore (cr);
++
++ cairo_save (cr);
++ cairo_move_to (cr, x, y);
++ cairo_set_source_rgba (cr, 1, 1, 1, 1.0);
++ cairo_set_line_width (cr, 1.0);
++ cairo_text_path (cr, (guchar *) string);
++ cairo_stroke (cr);
++ cairo_restore (cr);
++
++ g_free (string);
+
++ cairo_destroy (cr);
++ cairo_surface_destroy (surface);
++}
+
+ static GstPadLinkReturn
+ gst_textoverlay_video_sinkconnect (GstPad * pad, const GstCaps * caps)
+@@ -542,17 +551,24 @@
+ gst_textoverlay_font_init (GstTextOverlay * overlay)
+ {
+ cairo_font_extents_t font_extents;
++ cairo_surface_t *surface;
++ cairo_t *cr;
++
++ surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 64, 64);
++ cr = cairo_create (surface);
+
+- cairo_select_font (overlay->cr, overlay->font, overlay->slant,
+- overlay->weight);
+- cairo_scale_font (overlay->cr, overlay->scale);
++ cairo_select_font_face (cr, overlay->font, overlay->slant, overlay->weight);
++ cairo_set_font_size (cr, overlay->scale);
+
+- cairo_current_font_extents (overlay->cr, &font_extents);
++ cairo_font_extents (cr, &font_extents);
+ overlay->text_height = font_extents.height;
+ if (overlay->text_height & 1)
+ overlay->text_height++;
+
+ overlay->need_render = TRUE;
++
++ cairo_destroy (cr);
++ cairo_surface_destroy (surface);
+ }
+
+ static GstElementStateReturn
+@@ -581,10 +597,8 @@
+ {
+ GstTextOverlay *overlay = GST_TEXTOVERLAY (object);
+
+- if (overlay->cr) {
+- cairo_destroy (overlay->cr);
+- }
+-
++ g_free (overlay->font);
++ g_free (overlay->default_text);
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+ }
+
+@@ -611,8 +625,6 @@
+ (&textoverlay_src_template_factory), "src");
+ gst_element_add_pad (GST_ELEMENT (overlay), overlay->srcpad);
+
+- overlay->cr = cairo_create ();
+-
+ overlay->halign = GST_TEXT_OVERLAY_HALIGN_CENTER;
+ overlay->valign = GST_TEXT_OVERLAY_VALIGN_BASELINE;
+ overlay->x0 = overlay->y0 = 25;
+@@ -635,17 +647,14 @@
+ {
+ GstTextOverlay *overlay;
+
+- /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail (GST_IS_TEXTOVERLAY (object));
+ overlay = GST_TEXTOVERLAY (object);
+
+ switch (prop_id) {
+
+ case ARG_TEXT:
+- if (overlay->default_text) {
+- g_free (overlay->default_text);
+- }
+- overlay->default_text = g_strdup (g_value_get_string (value));
++ g_free (overlay->default_text);
++ overlay->default_text = g_value_dup_string (value);
+ overlay->need_render = TRUE;
+ break;
+
+@@ -684,9 +693,8 @@
+ break;
+
+ case ARG_FONT_DESC:
+- if (overlay->font)
+- g_free (overlay->font);
+- overlay->font = g_strdup (g_value_get_string (value));
++ g_free (overlay->font);
++ overlay->font = g_value_dup_string (value);
+ gst_textoverlay_font_init (overlay);
+ break;
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-02 01:44:35 +0800