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-rw-r--r--ChangeLog12
-rw-r--r--configure.ac2
-rw-r--r--gst/games/Makefile.am12
-rw-r--r--gst/games/gstpuzzle.c458
-rw-r--r--gst/games/gstvideoimage.c946
-rw-r--r--gst/games/gstvideoimage.h114
6 files changed, 1544 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 3f5bba76..eaec40c6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2005-01-06 Benjamin Otte <in7y118@public.uni-hamburg.de>
+
+ * configure.ac:
+ * gst/games/Makefile.am:
+ * gst/games/gstpuzzle.c:
+ add a puzzle game with...
+ * gst/games/gstvideoimage.c:
+ * gst/games/gstvideoimage.h:
+ ... full colorspace support (that includes YUV9 and RGB16)) stolen
+ from videotestsrc and made into something that would be a nice
+ library for a lot of other plugins.
+
2005-01-06 Stephane LOEUILLET <stephane.loeuillet@tiscali.fr>
* configure.ac:
diff --git a/configure.ac b/configure.ac
index b27d373f..f730ddb9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -396,6 +396,7 @@ GST_PLUGINS_ALL="\
passthrough \
playback \
playondemand \
+ games \
qtdemux \
realmedia \
rtjpeg \
@@ -1937,6 +1938,7 @@ gst/festival/Makefile
gst/ffmpegcolorspace/Makefile
gst/filter/Makefile
gst/flx/Makefile
+gst/games/Makefile
gst/goom/Makefile
gst/interleave/Makefile
gst/law/Makefile
diff --git a/gst/games/Makefile.am b/gst/games/Makefile.am
new file mode 100644
index 00000000..f3f812a7
--- /dev/null
+++ b/gst/games/Makefile.am
@@ -0,0 +1,12 @@
+
+plugin_LTLIBRARIES = libgstpuzzle.la
+
+libgstpuzzle_la_SOURCES = \
+ gstvideoimage.c \
+ gstpuzzle.c
+
+libgstpuzzle_la_CFLAGS = $(GST_CFLAGS) $(LIBOIL_CFLAGS) -I$(top_srcdir)/gst/videofilter
+libgstpuzzle_la_LIBADD =
+libgstpuzzle_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) $(LIBOIL_LIBS)
+
+noinst_HEADERS = gstvideoimage.h
diff --git a/gst/games/gstpuzzle.c b/gst/games/gstpuzzle.c
new file mode 100644
index 00000000..ac057f62
--- /dev/null
+++ b/gst/games/gstpuzzle.c
@@ -0,0 +1,458 @@
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ * <2003> David Schleef <ds@schleef.org>
+ * <2004> Benjamin Otte <otte@gnome.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/gst.h>
+#include <gstvideofilter.h>
+#include "gstvideoimage.h"
+#include <string.h>
+
+#define GST_TYPE_PUZZLE \
+ (gst_puzzle_get_type())
+#define GST_PUZZLE(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PUZZLE,GstPuzzle))
+#define GST_PUZZLE_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PUZZLE,GstPuzzleClass))
+#define GST_IS_PUZZLE(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PUZZLE))
+#define GST_IS_PUZZLE_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PUZZLE))
+
+typedef struct _GstPuzzle GstPuzzle;
+typedef struct _GstPuzzleClass GstPuzzleClass;
+
+struct _GstPuzzle
+{
+ GstVideofilter videofilter;
+
+ const GstVideoFormat *format;
+ /* properties */
+ guint rows;
+ guint columns;
+ guint tiles;
+ /* state */
+ guint *permutation;
+ guint position;
+ gboolean solved;
+};
+
+struct _GstPuzzleClass
+{
+ GstVideofilterClass parent_class;
+};
+
+
+/* GstPuzzle signals and args */
+enum
+{
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum
+{
+ ARG_0,
+ ARG_COLUMNS,
+ ARG_ROWS
+ /* FILL ME */
+};
+
+static void gst_puzzle_base_init (gpointer g_class);
+static void gst_puzzle_class_init (gpointer g_class, gpointer class_data);
+static void gst_puzzle_init (GTypeInstance * instance, gpointer g_class);
+
+static void gst_puzzle_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_puzzle_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+
+static void gst_puzzle_setup (GstVideofilter * videofilter);
+static void draw_puzzle (GstVideofilter * videofilter, void *destp, void *srcp);
+
+GType
+gst_puzzle_get_type (void)
+{
+ static GType puzzle_type = 0;
+
+ if (!puzzle_type) {
+ static const GTypeInfo puzzle_info = {
+ sizeof (GstPuzzleClass),
+ gst_puzzle_base_init,
+ NULL,
+ gst_puzzle_class_init,
+ NULL,
+ NULL,
+ sizeof (GstPuzzle),
+ 0,
+ gst_puzzle_init,
+ };
+
+ puzzle_type = g_type_register_static (GST_TYPE_VIDEOFILTER,
+ "GstPuzzle", &puzzle_info, 0);
+ }
+ return puzzle_type;
+}
+
+static void
+gst_puzzle_base_init (gpointer g_class)
+{
+ static GstElementDetails puzzle_details =
+ GST_ELEMENT_DETAILS ("a simple puzzle",
+ "Filter/Effect/Video/Games",
+ "A simple puzzle, use arrow keys and space to restart/solve",
+ "Benjamin Otte <otte@gnome.org>");
+ GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+ GstVideofilterClass *videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
+ int i;
+ GstVideofilterFormat *f;
+
+ gst_element_class_set_details (element_class, &puzzle_details);
+
+ for (i = 0; i < gst_video_format_count; i++) {
+ f = g_new0 (GstVideofilterFormat, 1);
+ f->fourcc = gst_video_format_list[i].fourcc;
+ f->bpp = gst_video_format_list[i].bitspp;
+ f->filter_func = draw_puzzle;
+ if (gst_video_format_list[i].ext_caps) {
+ f->depth = gst_video_format_list[i].depth;
+ f->endianness = G_BYTE_ORDER;
+ f->red_mask = gst_video_format_list[i].red_mask;
+ f->green_mask = gst_video_format_list[i].green_mask;
+ f->blue_mask = gst_video_format_list[i].blue_mask;
+ }
+ gst_videofilter_class_add_format (videofilter_class, f);
+ }
+
+ gst_videofilter_class_add_pad_templates (GST_VIDEOFILTER_CLASS (g_class));
+}
+
+static void
+gst_puzzle_class_init (gpointer g_class, gpointer class_data)
+{
+ GObjectClass *gobject_class;
+ GstVideofilterClass *videofilter_class;
+
+ gobject_class = G_OBJECT_CLASS (g_class);
+ videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
+
+ gobject_class->set_property = gst_puzzle_set_property;
+ gobject_class->get_property = gst_puzzle_get_property;
+
+ g_object_class_install_property (gobject_class, ARG_ROWS,
+ g_param_spec_uint ("rows", "rows", "number of rows in puzzle",
+ 1, G_MAXUINT, 4, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+ g_object_class_install_property (gobject_class, ARG_COLUMNS,
+ g_param_spec_uint ("columns", "columns", "number of columns in puzzle",
+ 1, G_MAXUINT, 4, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+
+ videofilter_class->setup = gst_puzzle_setup;
+}
+
+static void G_GNUC_UNUSED
+gst_puzzle_solve (GstPuzzle * puzzle)
+{
+ guint i;
+
+ for (i = 0; i < puzzle->tiles; i++) {
+ puzzle->permutation[i] = i;
+ }
+ puzzle->position = puzzle->tiles - 1;
+ puzzle->solved = TRUE;
+}
+
+static gboolean
+gst_puzzle_is_solved (GstPuzzle * puzzle)
+{
+ guint i;
+
+ if (puzzle->position != puzzle->tiles - 1)
+ return FALSE;
+
+ for (i = 0; i < puzzle->tiles; i++) {
+ if (puzzle->permutation[i] != i)
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+#if 0
+static void
+gst_puzzle_show (GstPuzzle * puzzle)
+{
+ guint i;
+
+ for (i = 0; i < puzzle->tiles; i++) {
+ g_print ("%d ", puzzle->permutation[i]);
+ }
+ g_print ("\n");
+}
+#endif
+
+typedef enum
+{
+ DIR_UP,
+ DIR_DOWN,
+ DIR_LEFT,
+ DIR_RIGHT
+} GstPuzzleDirection;
+
+static void
+gst_puzzle_move (GstPuzzle * puzzle, GstPuzzleDirection dir)
+{
+ guint next = puzzle->tiles;
+
+ switch (dir) {
+ case DIR_UP:
+ if (puzzle->position >= puzzle->columns)
+ next = puzzle->position - puzzle->columns;
+ break;
+ case DIR_DOWN:
+ if (puzzle->tiles - puzzle->position > puzzle->columns)
+ next = puzzle->position + puzzle->columns;
+ break;
+ case DIR_LEFT:
+ if ((puzzle->position % puzzle->columns) > 0)
+ next = puzzle->position - 1;
+ break;
+ case DIR_RIGHT:
+ if ((puzzle->position % puzzle->columns) < puzzle->columns - 1)
+ next = puzzle->position + 1;
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+
+ if (next < puzzle->tiles) {
+ /* the move was valid */
+ guint tmp = puzzle->permutation[puzzle->position];
+
+ puzzle->permutation[puzzle->position] = puzzle->permutation[next];
+ puzzle->permutation[next] = tmp;
+ puzzle->position = next;
+ puzzle->solved = gst_puzzle_is_solved (puzzle);
+ }
+}
+
+static void
+gst_puzzle_shuffle (GstPuzzle * puzzle)
+{
+ guint i;
+
+ do {
+ for (i = 0; i < 100 * puzzle->tiles; i++) {
+ gst_puzzle_move (puzzle, g_random_int_range (0, 4));
+ }
+ } while (gst_puzzle_is_solved (puzzle));
+ puzzle->solved = FALSE;
+}
+
+static gboolean
+nav_event_handler (GstPad * pad, GstEvent * event)
+{
+ GstPuzzle *puzzle;
+ const gchar *type;
+
+ puzzle = GST_PUZZLE (gst_pad_get_parent (pad));
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_NAVIGATION:
+ type = gst_structure_get_string (event->event_data.structure.structure,
+ "event");
+ if (g_str_equal (type, "key-press")) {
+ const gchar *key =
+ gst_structure_get_string (event->event_data.structure.structure,
+ "key");
+ if (g_str_equal (key, "space")) {
+ if (gst_puzzle_is_solved (puzzle)) {
+ gst_puzzle_shuffle (puzzle);
+ } else {
+ gst_puzzle_solve (puzzle);
+ }
+ } else {
+ if (puzzle->solved)
+ break;
+ if (g_str_equal (key, "Left")) {
+ gst_puzzle_move (puzzle, DIR_LEFT);
+ } else if (g_str_equal (key, "Right")) {
+ gst_puzzle_move (puzzle, DIR_RIGHT);
+ } else if (g_str_equal (key, "Up")) {
+ gst_puzzle_move (puzzle, DIR_UP);
+ } else if (g_str_equal (key, "Down")) {
+ gst_puzzle_move (puzzle, DIR_DOWN);
+ } else {
+ break;
+ }
+ }
+ gst_event_unref (event);
+ return TRUE;
+ }
+ break;
+ default:
+ break;
+ }
+ return gst_pad_event_default (pad, event);
+}
+
+static void
+gst_puzzle_init (GTypeInstance * instance, gpointer g_class)
+{
+ GstVideofilter *videofilter;
+
+ videofilter = GST_VIDEOFILTER (instance);
+ /* FIXME: this is evil */
+ gst_pad_set_event_function (videofilter->srcpad, nav_event_handler);
+}
+
+static void
+gst_puzzle_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstPuzzle *src;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail (GST_IS_PUZZLE (object));
+ src = GST_PUZZLE (object);
+
+ GST_DEBUG ("gst_puzzle_set_property");
+ switch (prop_id) {
+ case ARG_COLUMNS:
+ src->columns = g_value_get_uint (value);
+ src->tiles = src->columns * src->rows;
+ break;
+ case ARG_ROWS:
+ src->rows = g_value_get_uint (value);
+ src->tiles = src->columns * src->rows;
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_puzzle_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
+{
+ GstPuzzle *src;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail (GST_IS_PUZZLE (object));
+ src = GST_PUZZLE (object);
+
+ switch (prop_id) {
+ case ARG_COLUMNS:
+ g_value_set_uint (value, src->columns);
+ break;
+ case ARG_ROWS:
+ g_value_set_uint (value, src->rows);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_puzzle_setup (GstVideofilter * videofilter)
+{
+ GstPuzzle *puzzle;
+ guint i;
+
+ g_return_if_fail (GST_IS_PUZZLE (videofilter));
+ puzzle = GST_PUZZLE (videofilter);
+
+ g_free (puzzle->permutation);
+ puzzle->permutation = g_new (guint, puzzle->tiles);
+ for (i = 0; i < puzzle->tiles; i++) {
+ puzzle->permutation[i] = i;
+ }
+ puzzle->position = puzzle->tiles - 1;
+ /* shuffle a bit */
+ gst_puzzle_shuffle (puzzle);
+ puzzle->format = NULL;
+}
+
+static void
+draw_puzzle (GstVideofilter * videofilter, void *destp, void *srcp)
+{
+ GstPuzzle *puzzle;
+ int width, height;
+ guint i;
+ GstVideoImage dest, src;
+
+ puzzle = GST_PUZZLE (videofilter);
+ if (!puzzle->format) {
+ puzzle->format =
+ gst_video_format_find_by_structure (gst_caps_get_structure
+ (gst_pad_get_negotiated_caps (videofilter->sinkpad), 0));
+ }
+ width = gst_videofilter_get_input_width (videofilter);
+ height = gst_videofilter_get_input_height (videofilter);
+ gst_video_image_setup (&dest, puzzle->format, destp, width, height);
+ gst_video_image_setup (&src, puzzle->format, srcp, width, height);
+ if (width % puzzle->columns != 0) {
+ guint w = width % puzzle->columns;
+
+ gst_video_image_copy_area (&dest, width - w, 0, &src, width - w, 0, w,
+ height);
+ }
+ if (height % puzzle->rows != 0) {
+ guint h = height % puzzle->rows;
+
+ gst_video_image_copy_area (&dest, 0, height - h, &src, 0, height - h, width,
+ h);
+ }
+ width /= puzzle->columns;
+ height /= puzzle->rows;
+
+ for (i = 0; i < puzzle->tiles; i++) {
+ if (!puzzle->solved && i == puzzle->position) {
+ gst_video_image_draw_rectangle (&dest, width * (i % puzzle->columns),
+ height * (i / puzzle->columns), width, height,
+ &GST_VIDEO_COLOR_WHITE, TRUE);
+ } else {
+ gst_video_image_copy_area (&dest, width * (i % puzzle->columns),
+ height * (i / puzzle->columns), &src,
+ width * (puzzle->permutation[i] % puzzle->columns),
+ height * (puzzle->permutation[i] / puzzle->columns), width, height);
+ }
+ }
+}
+
+static gboolean
+plugin_init (GstPlugin * plugin)
+{
+ if (!gst_library_load ("gstvideofilter"))
+ return FALSE;
+
+ return gst_element_register (plugin, "puzzle", GST_RANK_NONE,
+ GST_TYPE_PUZZLE);
+}
+
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "games",
+ "a collection of games to showcase features",
+ plugin_init, VERSION, GST_LICENSE, GST_PACKAGE, GST_ORIGIN)
diff --git a/gst/games/gstvideoimage.c b/gst/games/gstvideoimage.c
new file mode 100644
index 00000000..317ae3f8
--- /dev/null
+++ b/gst/games/gstvideoimage.c
@@ -0,0 +1,946 @@
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ * <2004> Benjamin Otte <otte@gnome.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gstvideoimage.h"
+#ifdef HAVE_LIBOIL
+#include <liboil/liboil.h>
+#endif
+
+#include <string.h>
+
+const GstVideoColor GST_VIDEO_COLOR_WHITE = { 255, 128, 128, 255, 255, 255 };
+const GstVideoColor GST_VIDEO_COLOR_YELLOW = { 226, 0, 155, 255, 255, 0 };
+const GstVideoColor GST_VIDEO_COLOR_CYAN = { 179, 170, 0, 0, 255, 255 };
+const GstVideoColor GST_VIDEO_COLOR_GREEN = { 150, 46, 21, 0, 255, 0 };
+const GstVideoColor GST_VIDEO_COLOR_MAGENTA = { 105, 212, 235, 255, 0, 255 };
+const GstVideoColor GST_VIDEO_COLOR_RED = { 76, 85, 255, 255, 0, 0 };
+const GstVideoColor GST_VIDEO_COLOR_BLUE = { 29, 255, 107, 0, 0, 255 };
+const GstVideoColor GST_VIDEO_COLOR_BLACK = { 16, 128, 128, 0, 0, 0 };
+const GstVideoColor GST_VIDEO_COLOR_NEG_I = { 16, 198, 21, 0, 0, 128 };
+const GstVideoColor GST_VIDEO_COLOR_POS_Q = { 16, 235, 198, 0, 128, 255 };
+const GstVideoColor GST_VIDEO_COLOR_SUPER_BLACK = { 0, 128, 128, 0, 0, 0 };
+const GstVideoColor GST_VIDEO_COLOR_DARK_GREY = { 32, 128, 128, 32, 32, 32 };
+
+const GstVideoFormat *
+gst_video_format_find_by_structure (const GstStructure * structure)
+{
+ int i;
+ const char *media_type = gst_structure_get_name (structure);
+ int ret;
+
+ g_return_val_if_fail (structure, NULL);
+
+ if (strcmp (media_type, "video/x-raw-yuv") == 0) {
+ char *s;
+ int fourcc;
+ guint32 format;
+
+ ret = gst_structure_get_fourcc (structure, "format", &format);
+ if (!ret)
+ return NULL;
+ for (i = 0; i < gst_video_format_count; i++) {
+ s = gst_video_format_list[i].fourcc;
+ //g_print("testing " GST_FOURCC_FORMAT " and %s\n", GST_FOURCC_ARGS(format), s);
+ fourcc = GST_MAKE_FOURCC (s[0], s[1], s[2], s[3]);
+ if (fourcc == format) {
+ return gst_video_format_list + i;
+ }
+ }
+ } else if (strcmp (media_type, "video/x-raw-rgb") == 0) {
+ int red_mask;
+ int green_mask;
+ int blue_mask;
+ int depth;
+ int bpp;
+
+ ret = gst_structure_get_int (structure, "red_mask", &red_mask);
+ ret &= gst_structure_get_int (structure, "green_mask", &green_mask);
+ ret &= gst_structure_get_int (structure, "blue_mask", &blue_mask);
+ ret &= gst_structure_get_int (structure, "depth", &depth);
+ ret &= gst_structure_get_int (structure, "bpp", &bpp);
+
+ for (i = 0; i < gst_video_format_count; i++) {
+ if (strcmp (gst_video_format_list[i].fourcc, "RGB ") == 0 &&
+ gst_video_format_list[i].red_mask == red_mask &&
+ gst_video_format_list[i].green_mask == green_mask &&
+ gst_video_format_list[i].blue_mask == blue_mask &&
+ gst_video_format_list[i].depth == depth &&
+ gst_video_format_list[i].bitspp == bpp) {
+ return gst_video_format_list + i;
+
+ }
+ }
+ return NULL;
+ }
+
+ g_critical ("format not found for media type %s", media_type);
+
+ return NULL;
+}
+
+const GstVideoFormat *
+gst_video_format_find_by_fourcc (int find_fourcc)
+{
+ int i;
+
+ for (i = 0; i < gst_video_format_count; i++) {
+ char *s;
+ int fourcc;
+
+ s = gst_video_format_list[i].fourcc;
+ fourcc = GST_MAKE_FOURCC (s[0], s[1], s[2], s[3]);
+ if (find_fourcc == fourcc) {
+ /* If YUV format, it's good */
+ if (!gst_video_format_list[i].ext_caps) {
+ return gst_video_format_list + i;
+ }
+
+ return gst_video_format_list + i;
+ }
+ }
+ return NULL;
+}
+
+const GstVideoFormat *
+gst_video_format_find_by_name (const char *name)
+{
+ int i;
+
+ for (i = 0; i < gst_video_format_count; i++) {
+ if (strcmp (name, gst_video_format_list[i].name) == 0) {
+ return gst_video_format_list + i;
+ }
+ }
+ return NULL;
+}
+
+
+GstStructure *
+gst_video_format_get_structure (const GstVideoFormat * format)
+{
+ unsigned int fourcc;
+
+ g_return_val_if_fail (format, NULL);
+
+ fourcc =
+ GST_MAKE_FOURCC (format->fourcc[0], format->fourcc[1], format->fourcc[2],
+ format->fourcc[3]);
+
+ if (format->ext_caps) {
+ int endianness;
+
+ if (format->bitspp == 16) {
+ endianness = G_BYTE_ORDER;
+ } else {
+ endianness = G_BIG_ENDIAN;
+ }
+ return gst_structure_new ("video/x-raw-rgb",
+ "bpp", G_TYPE_INT, format->bitspp,
+ "endianness", G_TYPE_INT, endianness,
+ "depth", G_TYPE_INT, format->depth,
+ "red_mask", G_TYPE_INT, format->red_mask,
+ "green_mask", G_TYPE_INT, format->green_mask,
+ "blue_mask", G_TYPE_INT, format->blue_mask, NULL);
+ } else {
+ return gst_structure_new ("video/x-raw-yuv",
+ "format", GST_TYPE_FOURCC, fourcc, NULL);
+ }
+}
+
+/* returns the size in bytes for one video frame of the given dimensions
+ * given the fourcc in GstVideotestsrc */
+guint
+gst_video_format_get_size (const GstVideoFormat * format, guint w, guint h)
+{
+ GstVideoImage p = { 0 };
+
+ g_return_val_if_fail (format != NULL, 0);
+ g_return_val_if_fail (w > 0, 0);
+ g_return_val_if_fail (h > 0, 0);
+
+ gst_video_image_setup (&p, format, NULL, w, h);
+
+ return (unsigned long) p.endptr;
+}
+
+void
+gst_video_image_setup (GstVideoImage * image, const GstVideoFormat * format,
+ guint8 * data, guint w, guint h)
+{
+ g_return_if_fail (image != NULL);
+ g_return_if_fail (format != NULL);
+ g_return_if_fail (w > 0);
+ g_return_if_fail (h > 0);
+
+ image->width = w;
+ image->height = h;
+ image->format = format;
+ format->paint_setup (image, data);
+}
+
+void
+gst_video_image_paint_hline (GstVideoImage * image, gint x, gint y, gint w,
+ const GstVideoColor * c)
+{
+ g_return_if_fail (image != NULL);
+ g_return_if_fail (c != NULL);
+ g_return_if_fail (w > 0);
+
+ /* check coords */
+ if (y < 0 || y >= image->height)
+ return;
+ if (x < 0) {
+ if (x + w < 0)
+ return;
+ w += x;
+ x = 0;
+ }
+ if (x >= image->width)
+ return;
+ if (x + w > image->width) {
+ w = image->width - x;
+ }
+ image->format->paint_hline (image, x, y, w, c);
+}
+
+void
+gst_video_image_draw_rectangle (GstVideoImage * image, gint x, gint y,
+ gint w, gint h, const GstVideoColor * c, gboolean filled)
+{
+ gint i;
+
+ g_return_if_fail (image != NULL);
+ g_return_if_fail (c != NULL);
+ g_return_if_fail (w > 0);
+ g_return_if_fail (h > 0);
+
+ /* check coords */
+ if (x < 0) {
+ if (x + w < 0)
+ return;
+ w += x;
+ x = 0;
+ }
+ if (x >= image->width)
+ return;
+ if (x + w > image->width) {
+ w = image->width - x;
+ }
+ if (y < 0) {
+ if (y + h < 0)
+ return;
+ h += y;
+ y = 0;
+ }
+ if (y >= image->height)
+ return;
+ if (y + h > image->height) {
+ y = image->height - y;
+ }
+
+ if (filled) {
+ for (i = 0; i < h; i++) {
+ image->format->paint_hline (image, x, y + i, w, c);
+ }
+ } else {
+ h--;
+ image->format->paint_hline (image, x, i, w, c);
+ for (i = 1; i < h; i++) {
+ image->format->paint_hline (image, x, y + i, 1, c);
+ image->format->paint_hline (image, x + w - 1, y + i, 1, c);
+ }
+ image->format->paint_hline (image, x, y + h, w, c);
+ }
+}
+
+void
+gst_video_image_copy_hline (GstVideoImage * dest, gint xdest, gint ydest,
+ GstVideoImage * src, gint xsrc, gint ysrc, gint w)
+{
+ g_return_if_fail (dest != NULL);
+ g_return_if_fail (src != NULL);
+ g_return_if_fail (dest->format == src->format);
+ g_return_if_fail (w > 0);
+
+ /* check width coords */
+ if (xdest >= dest->width)
+ return;
+ if (xsrc >= src->width)
+ return;
+ if (xdest < 0) {
+ xsrc -= xdest;
+ w += xdest;
+ xdest = 0;
+ }
+ if (xsrc < 0) {
+ xdest -= xsrc;
+ w += xsrc;
+ xsrc = 0;
+ }
+ if (w <= 0)
+ return;
+ if (xdest + w > dest->width)
+ w = dest->width - xdest;
+ if (xsrc + w > src->width)
+ w = src->width - xsrc;
+ /* check height coords */
+ if (ysrc >= src->height || ysrc < 0)
+ return;
+ if (ydest >= dest->height || ydest < 0)
+ return;
+
+ dest->format->copy_hline (dest, xdest, ydest, src, xsrc, ysrc, w);
+}
+
+void
+gst_video_image_copy_area (GstVideoImage * dest, gint xdest, gint ydest,
+ GstVideoImage * src, gint xsrc, gint ysrc, gint w, gint h)
+{
+ gint i;
+
+ g_return_if_fail (dest != NULL);
+ g_return_if_fail (src != NULL);
+ g_return_if_fail (dest->format == src->format);
+ g_return_if_fail (w > 0);
+ g_return_if_fail (h > 0);
+
+ /* check width coords */
+ if (xdest >= dest->width)
+ return;
+ if (xsrc >= src->width)
+ return;
+ if (xdest < 0) {
+ xsrc -= xdest;
+ w += xdest;
+ xdest = 0;
+ }
+ if (xsrc < 0) {
+ xdest -= xsrc;
+ w += xsrc;
+ xsrc = 0;
+ }
+ if (w <= 0)
+ return;
+ if (xdest + w > dest->width)
+ w = dest->width - xdest;
+ if (xsrc + w > src->width)
+ w = src->width - xsrc;
+ /* check height coords */
+ if (ydest >= dest->height)
+ return;
+ if (ysrc >= src->height)
+ return;
+ if (ydest < 0) {
+ ysrc -= ydest;
+ h += ydest;
+ ydest = 0;
+ }
+ if (ysrc < 0) {
+ ydest -= ysrc;
+ h += ysrc;
+ ysrc = 0;
+ }
+ if (h <= 0)
+ return;
+ if (ydest + h > dest->height)
+ h = dest->height - ydest;
+ if (ysrc + h > src->height)
+ h = src->height - ysrc;
+
+ for (i = 0; i < h; i++) {
+ dest->format->copy_hline (dest, xdest, ydest + i, src, xsrc, ysrc + i, w);
+ }
+}
+
+
+#define ROUND_UP_2(x) (((x)+1)&~1)
+#define ROUND_UP_4(x) (((x)+3)&~3)
+#define ROUND_UP_8(x) (((x)+7)&~7)
+
+static void
+paint_setup_I420 (GstVideoImage * p, char *dest)
+{
+ p->yp = dest;
+ p->ystride = ROUND_UP_4 (p->width);
+ p->up = p->yp + p->ystride * ROUND_UP_2 (p->height);
+ p->ustride = ROUND_UP_8 (p->width) / 2;
+ p->vp = p->up + p->ustride * ROUND_UP_2 (p->height) / 2;
+ p->vstride = ROUND_UP_8 (p->ystride) / 2;
+ p->endptr = p->vp + p->vstride * ROUND_UP_2 (p->height) / 2;
+}
+
+static void
+paint_hline_I420 (GstVideoImage * p, int x, int y, int w,
+ const GstVideoColor * c)
+{
+ int x1 = x / 2;
+ int x2 = (x + w) / 2;
+ int offset = y * p->ystride;
+ int offset1 = (y / 2) * p->ustride;
+
+ memset (p->yp + offset + x, c->Y, w);
+ memset (p->up + offset1 + x1, c->U, x2 - x1);
+ memset (p->vp + offset1 + x1, c->V, x2 - x1);
+}
+
+static void
+copy_hline_I420 (GstVideoImage * dest, int xdest, int ydest,
+ GstVideoImage * src, int xsrc, int ysrc, int w)
+{
+ int destoffset = ydest * dest->ystride;
+ int destoffset1 = (ydest / 2) * dest->ustride;
+ int srcoffset = ysrc * src->ystride;
+ int srcoffset1 = (ysrc / 2) * src->ustride;
+
+ memcpy (dest->yp + destoffset + xdest, src->yp + srcoffset + xsrc, w);
+ memcpy (dest->up + destoffset1 + xdest / 2, src->up + srcoffset1 + xsrc / 2,
+ w / 2);
+ memcpy (dest->vp + destoffset1 + xdest / 2, src->vp + srcoffset1 + xsrc / 2,
+ w / 2);
+}
+
+static void
+paint_setup_YV12 (GstVideoImage * p, char *dest)
+{
+ p->yp = dest;
+ p->ystride = ROUND_UP_4 (p->width);
+ p->vp = p->yp + p->ystride * ROUND_UP_2 (p->height);
+ p->vstride = ROUND_UP_8 (p->ystride) / 2;
+ p->up = p->vp + p->vstride * ROUND_UP_2 (p->height) / 2;
+ p->ustride = ROUND_UP_8 (p->ystride) / 2;
+ p->endptr = p->up + p->ustride * ROUND_UP_2 (p->height) / 2;
+}
+
+static void
+paint_setup_YUY2 (GstVideoImage * p, char *dest)
+{
+ p->yp = dest;
+ p->up = dest + 1;
+ p->vp = dest + 3;
+ p->ystride = ROUND_UP_2 (p->width) * 2;
+ p->endptr = dest + p->ystride * p->height;
+}
+
+static void
+paint_setup_UYVY (GstVideoImage * p, char *dest)
+{
+ p->yp = dest + 1;
+ p->up = dest;
+ p->vp = dest + 2;
+ p->ystride = ROUND_UP_2 (p->width) * 2;
+ p->endptr = dest + p->ystride * p->height;
+}
+
+static void
+paint_setup_YVYU (GstVideoImage * p, char *dest)
+{
+ p->yp = dest;
+ p->up = dest + 3;
+ p->vp = dest + 1;
+ p->ystride = ROUND_UP_2 (p->width * 2);
+ p->endptr = dest + p->ystride * p->height;
+}
+
+#ifndef HAVE_LIBOIL
+void
+oil_splat_u8 (guint8 * dest, int dstr, guint8 val, int n)
+{
+ int i;
+
+ for (i = 0; i < n; i++) {
+ *dest = val;
+ dest += dstr;
+ }
+}
+#endif
+
+static void
+paint_hline_YUY2 (GstVideoImage * p, int x, int y, int w,
+ const GstVideoColor * c)
+{
+ int x1 = x / 2;
+ int x2 = (x + w) / 2;
+ int offset = y * p->ystride;
+
+ oil_splat_u8 (p->yp + offset + x * 2, 2, c->Y, w);
+ oil_splat_u8 (p->up + offset + x1 * 4, 4, c->U, x2 - x1);
+ oil_splat_u8 (p->vp + offset + x1 * 4, 4, c->V, x2 - x1);
+}
+
+static void
+copy_hline_YUY2 (GstVideoImage * dest, int xdest, int ydest,
+ GstVideoImage * src, int xsrc, int ysrc, int w)
+{
+ int destoffset = ydest * dest->ystride;
+ int srcoffset = ydest * src->ystride;
+
+ memcpy (dest->yp + destoffset + xdest * 2, src->yp + srcoffset + xsrc * 2,
+ w * 2);
+}
+
+static void
+paint_setup_IYU2 (GstVideoImage * p, char *dest)
+{
+ /* untested */
+ p->yp = dest + 1;
+ p->up = dest + 0;
+ p->vp = dest + 2;
+ p->ystride = ROUND_UP_4 (p->width * 3);
+ p->endptr = dest + p->ystride * p->height;
+}
+
+static void
+paint_hline_IYU2 (GstVideoImage * p, int x, int y, int w,
+ const GstVideoColor * c)
+{
+ int offset;
+
+ offset = y * p->ystride;
+ oil_splat_u8 (p->yp + offset + x * 3, 3, c->Y, w);
+ oil_splat_u8 (p->up + offset + x * 3, 3, c->U, w);
+ oil_splat_u8 (p->vp + offset + x * 3, 3, c->V, w);
+}
+
+static void
+copy_hline_IYU2 (GstVideoImage * dest, int xdest, int ydest,
+ GstVideoImage * src, int xsrc, int ysrc, int w)
+{
+ int destoffset = ydest * dest->ystride;
+ int srcoffset = ydest * src->ystride;
+
+ memcpy (dest->yp + destoffset + xdest * 3, src->yp + srcoffset + xsrc * 3,
+ w * 3);
+}
+
+static void
+paint_setup_Y41B (GstVideoImage * p, char *dest)
+{
+ p->yp = dest;
+ p->ystride = ROUND_UP_4 (p->width);
+ p->up = p->yp + p->ystride * p->height;
+ p->ustride = ROUND_UP_8 (p->width) / 4;
+ p->vp = p->up + p->ustride * p->height;
+ p->vstride = ROUND_UP_8 (p->width) / 4;
+ p->endptr = p->vp + p->vstride * p->height;
+}
+
+static void
+paint_hline_Y41B (GstVideoImage * p, int x, int y, int w,
+ const GstVideoColor * c)
+{
+ int x1 = x / 4;
+ int x2 = (x + w) / 4;
+ int offset = y * p->ystride;
+ int offset1 = y * p->ustride;
+
+ memset (p->yp + offset + x, c->Y, w);
+ memset (p->up + offset1 + x1, c->U, x2 - x1);
+ memset (p->vp + offset1 + x1, c->V, x2 - x1);
+}
+
+static void
+copy_hline_Y41B (GstVideoImage * dest, int xdest, int ydest,
+ GstVideoImage * src, int xsrc, int ysrc, int w)
+{
+ int destoffset = ydest * dest->ystride;
+ int destoffset1 = ydest * dest->ustride;
+ int srcoffset = ysrc * src->ystride;
+ int srcoffset1 = ysrc * src->ustride;
+
+ memcpy (dest->yp + destoffset + xdest, src->yp + srcoffset + xsrc, w);
+ memcpy (dest->up + destoffset1 + xdest / 4, src->up + srcoffset1 + xsrc / 4,
+ w / 4);
+ memcpy (dest->vp + destoffset1 + xdest / 4, src->vp + srcoffset1 + xsrc / 4,
+ w / 4);
+}
+
+static void
+paint_setup_Y42B (GstVideoImage * p, char *dest)
+{
+ p->yp = dest;
+ p->ystride = ROUND_UP_4 (p->width);
+ p->up = p->yp + p->ystride * p->height;
+ p->ustride = ROUND_UP_8 (p->width) / 2;
+ p->vp = p->up + p->ustride * p->height;
+ p->vstride = ROUND_UP_8 (p->width) / 2;
+ p->endptr = p->vp + p->vstride * p->height;
+}
+
+static void
+paint_hline_Y42B (GstVideoImage * p, int x, int y, int w,
+ const GstVideoColor * c)
+{
+ int x1 = x / 2;
+ int x2 = (x + w) / 2;
+ int offset = y * p->ystride;
+ int offset1 = y * p->ustride;
+
+ memset (p->yp + offset + x, c->Y, w);
+ memset (p->up + offset1 + x1, c->U, x2 - x1);
+ memset (p->vp + offset1 + x1, c->V, x2 - x1);
+}
+
+static void
+copy_hline_Y42B (GstVideoImage * dest, int xdest, int ydest,
+ GstVideoImage * src, int xsrc, int ysrc, int w)
+{
+ int destoffset = ydest * dest->ystride;
+ int destoffset1 = ydest * dest->ustride;
+ int srcoffset = ysrc * src->ystride;
+ int srcoffset1 = ysrc * src->ustride;
+
+ memcpy (dest->yp + destoffset + xdest, src->yp + srcoffset + xsrc, w);
+ memcpy (dest->up + destoffset1 + xdest / 2, src->up + srcoffset1 + xsrc / 2,
+ w / 2);
+ memcpy (dest->vp + destoffset1 + xdest / 2, src->vp + srcoffset1 + xsrc / 2,
+ w / 2);
+}
+
+static void
+paint_setup_Y800 (GstVideoImage * p, char *dest)
+{
+ /* untested */
+ p->yp = dest;
+ p->ystride = ROUND_UP_4 (p->width);
+ p->endptr = dest + p->ystride * p->height;
+}
+
+static void
+paint_hline_Y800 (GstVideoImage * p, int x, int y, int w,
+ const GstVideoColor * c)
+{
+ int offset = y * p->ystride;
+
+ memset (p->yp + offset + x, c->Y, w);
+}
+
+static void
+copy_hline_Y800 (GstVideoImage * dest, int xdest, int ydest,
+ GstVideoImage * src, int xsrc, int ysrc, int w)
+{
+ int destoffset = ydest * dest->ystride;
+ int srcoffset = ysrc * src->ystride;
+
+ memcpy (dest->yp + destoffset + xdest, src->yp + srcoffset + xsrc, w);
+}
+
+static void
+paint_setup_YVU9 (GstVideoImage * p, char *dest)
+{
+ int h = ROUND_UP_4 (p->height);
+
+ p->yp = dest;
+ p->ystride = ROUND_UP_4 (p->width);
+ p->vp = p->yp + p->ystride * ROUND_UP_4 (p->height);
+ p->vstride = ROUND_UP_4 (p->ystride / 4);
+ p->up = p->vp + p->vstride * ROUND_UP_4 (h / 4);
+ p->ustride = ROUND_UP_4 (p->ystride / 4);
+ p->endptr = p->up + p->ustride * ROUND_UP_4 (h / 4);
+}
+
+static void
+paint_setup_YUV9 (GstVideoImage * p, char *dest)
+{
+ /* untested */
+ int h = ROUND_UP_4 (p->height);
+
+ p->yp = dest;
+ p->ystride = ROUND_UP_4 (p->width);
+ p->up = p->yp + p->ystride * h;
+ p->ustride = ROUND_UP_4 (p->ystride / 4);
+ p->vp = p->up + p->ustride * ROUND_UP_4 (h / 4);
+ p->vstride = ROUND_UP_4 (p->ystride / 4);
+ p->endptr = p->vp + p->vstride * ROUND_UP_4 (h / 4);
+}
+
+static void
+paint_hline_YUV9 (GstVideoImage * p, int x, int y, int w,
+ const GstVideoColor * c)
+{
+ int x1 = x / 4;
+ int x2 = (x + w) / 4;
+ int offset = y * p->ystride;
+ int offset1 = (y / 4) * p->ustride;
+
+ memset (p->yp + offset + x, c->Y, w);
+ memset (p->up + offset1 + x1, c->U, x2 - x1);
+ memset (p->vp + offset1 + x1, c->V, x2 - x1);
+}
+
+static void
+copy_hline_YUV9 (GstVideoImage * dest, int xdest, int ydest,
+ GstVideoImage * src, int xsrc, int ysrc, int w)
+{
+ int destoffset = ydest * dest->ystride;
+ int destoffset1 = ydest * dest->ustride;
+ int srcoffset = ysrc * src->ystride;
+ int srcoffset1 = ysrc * src->ustride;
+
+ memcpy (dest->yp + destoffset + xdest, src->yp + srcoffset + xsrc, w);
+ memcpy (dest->up + destoffset1 + xdest / 4, src->up + srcoffset1 + xsrc / 4,
+ w / 4);
+ memcpy (dest->vp + destoffset1 + xdest / 4, src->vp + srcoffset1 + xsrc / 4,
+ w / 4);
+}
+
+static void
+paint_setup_xRGB8888 (GstVideoImage * p, char *dest)
+{
+ p->yp = dest + 1;
+ p->up = dest + 2;
+ p->vp = dest + 3;
+ p->ystride = p->width * 4;
+ p->endptr = p->dest + p->ystride * p->height;
+}
+
+static void
+paint_setup_xBGR8888 (GstVideoImage * p, char *dest)
+{
+ p->yp = dest + 3;
+ p->up = dest + 2;
+ p->vp = dest + 1;
+ p->ystride = p->width * 4;
+ p->endptr = p->dest + p->ystride * p->height;
+}
+
+static void
+paint_setup_RGBx8888 (GstVideoImage * p, char *dest)
+{
+ p->yp = dest + 0;
+ p->up = dest + 1;
+ p->vp = dest + 2;
+ p->ystride = p->width * 4;
+ p->endptr = p->dest + p->ystride * p->height;
+}
+
+static void
+paint_setup_BGRx8888 (GstVideoImage * p, char *dest)
+{
+ p->yp = dest + 2;
+ p->up = dest + 1;
+ p->vp = dest + 0;
+ p->ystride = p->width * 4;
+ p->endptr = p->dest + p->ystride * p->height;
+}
+
+static void
+paint_setup_RGB888 (GstVideoImage * p, char *dest)
+{
+ p->yp = dest + 0;
+ p->up = dest + 1;
+ p->vp = dest + 2;
+ p->ystride = ROUND_UP_4 (p->width * 3);
+ p->endptr = p->dest + p->ystride * p->height;
+}
+
+static void
+paint_setup_BGR888 (GstVideoImage * p, char *dest)
+{
+ p->yp = dest + 2;
+ p->up = dest + 1;
+ p->vp = dest + 0;
+ p->ystride = ROUND_UP_4 (p->width * 3);
+ p->endptr = p->dest + p->ystride * p->height;
+}
+
+static void
+paint_hline_str4 (GstVideoImage * p, int x, int y, int w,
+ const GstVideoColor * c)
+{
+ int offset = y * p->ystride;
+
+ oil_splat_u8 (p->yp + offset + x * 4, 4, c->R, w);
+ oil_splat_u8 (p->up + offset + x * 4, 4, c->G, w);
+ oil_splat_u8 (p->vp + offset + x * 4, 4, c->B, w);
+}
+
+static void
+copy_hline_str4 (GstVideoImage * dest, int xdest, int ydest,
+ GstVideoImage * src, int xsrc, int ysrc, int w)
+{
+ int destoffset = ydest * dest->ystride;
+ int srcoffset = ysrc * src->ystride;
+
+ memcpy (dest->yp + destoffset + xdest * 4, src->yp + srcoffset + xsrc * 4,
+ w * 4);
+}
+
+static void
+paint_hline_str3 (GstVideoImage * p, int x, int y, int w,
+ const GstVideoColor * c)
+{
+ int offset = y * p->ystride;
+
+ oil_splat_u8 (p->yp + offset + x * 3, 3, c->R, w);
+ oil_splat_u8 (p->up + offset + x * 3, 3, c->G, w);
+ oil_splat_u8 (p->vp + offset + x * 3, 3, c->B, w);
+}
+
+static void
+copy_hline_str3 (GstVideoImage * dest, int xdest, int ydest,
+ GstVideoImage * src, int xsrc, int ysrc, int w)
+{
+ int destoffset = ydest * dest->ystride;
+ int srcoffset = ysrc * src->ystride;
+
+ memcpy (dest->yp + destoffset + xdest * 3, src->yp + srcoffset + xsrc * 3,
+ w * 3);
+}
+
+static void
+paint_setup_RGB565 (GstVideoImage * p, char *dest)
+{
+ p->yp = dest;
+ p->ystride = ROUND_UP_4 (p->width * 2);
+ p->endptr = p->dest + p->ystride * p->height;
+}
+
+static void
+paint_hline_RGB565 (GstVideoImage * p, int x, int y, int w,
+ const GstVideoColor * c)
+{
+ int offset = y * p->ystride;
+ unsigned int a, b;
+
+ a = (c->R & 0xf8) | (c->G >> 5);
+ b = ((c->G << 3) & 0xe0) | (c->B >> 3);
+
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+ oil_splat_u8 (p->yp + offset + x * 2 + 0, 2, b, w);
+ oil_splat_u8 (p->yp + offset + x * 2 + 1, 2, a, w);
+#else
+ oil_splat_u8 (p->yp + offset + x * 2 + 0, 2, a, w);
+ oil_splat_u8 (p->yp + offset + x * 2 + 1, 2, b, w);
+#endif
+}
+
+static void
+copy_hline_str2 (GstVideoImage * dest, int xdest, int ydest,
+ GstVideoImage * src, int xsrc, int ysrc, int w)
+{
+ int destoffset = ydest * dest->ystride;
+ int srcoffset = ysrc * src->ystride;
+
+ memcpy (dest->yp + destoffset + xdest * 2, src->yp + srcoffset + xsrc * 2,
+ w * 2);
+}
+
+static void
+paint_setup_xRGB1555 (GstVideoImage * p, char *dest)
+{
+ p->yp = dest;
+ p->ystride = ROUND_UP_4 (p->width * 2);
+ p->endptr = p->dest + p->ystride * p->height;
+}
+
+static void
+paint_hline_xRGB1555 (GstVideoImage * p, int x, int y, int w,
+ const GstVideoColor * c)
+{
+ int offset = y * p->ystride;
+ unsigned int a, b;
+
+ a = ((c->R >> 1) & 0x7c) | (c->G >> 6);
+ b = ((c->G << 2) & 0xe0) | (c->B >> 3);
+
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+ oil_splat_u8 (p->yp + offset + x * 2 + 0, 2, b, w);
+ oil_splat_u8 (p->yp + offset + x * 2 + 1, 2, a, w);
+#else
+ oil_splat_u8 (p->yp + offset + x * 2 + 0, 2, a, w);
+ oil_splat_u8 (p->yp + offset + x * 2 + 1, 2, b, w);
+#endif
+}
+
+const GstVideoFormat gst_video_format_list[] = {
+/* packed */
+ {"YUY2", "YUY2", 16, paint_setup_YUY2, paint_hline_YUY2, copy_hline_YUY2},
+ {"UYVY", "UYVY", 16, paint_setup_UYVY, paint_hline_YUY2, copy_hline_YUY2},
+ {"Y422", "Y422", 16, paint_setup_UYVY, paint_hline_YUY2, copy_hline_YUY2},
+ {"UYNV", "UYNV", 16, paint_setup_UYVY, paint_hline_YUY2, copy_hline_YUY2}, /* FIXME: UYNV? */
+ {"YVYU", "YVYU", 16, paint_setup_YVYU, paint_hline_YUY2, copy_hline_YUY2},
+
+ /* interlaced */
+ /*{ "IUYV", "IUY2", 16, paint_setup_YVYU, paint_hline_YUY2 }, */
+
+ /* inverted */
+ /*{ "cyuv", "cyuv", 16, paint_setup_YVYU, paint_hline_YUY2 }, */
+
+ /*{ "Y41P", "Y41P", 12, paint_setup_YVYU, paint_hline_YUY2 }, */
+
+ /* interlaced */
+ /*{ "IY41", "IY41", 12, paint_setup_YVYU, paint_hline_YUY2 }, */
+
+ /*{ "Y211", "Y211", 8, paint_setup_YVYU, paint_hline_YUY2 }, */
+
+ /*{ "Y41T", "Y41T", 12, paint_setup_YVYU, paint_hline_YUY2 }, */
+ /*{ "Y42P", "Y42P", 16, paint_setup_YVYU, paint_hline_YUY2 }, */
+ /*{ "CLJR", "CLJR", 8, paint_setup_YVYU, paint_hline_YUY2 }, */
+ /*{ "IYU1", "IYU1", 12, paint_setup_YVYU, paint_hline_YUY2 }, */
+ {"IYU2", "IYU2", 24, paint_setup_IYU2, paint_hline_IYU2, copy_hline_IYU2},
+
+/* planar */
+ /* YVU9 */
+ {"YVU9", "YVU9", 9, paint_setup_YVU9, paint_hline_YUV9, copy_hline_YUV9},
+ /* YUV9 */
+ {"YUV9", "YUV9", 9, paint_setup_YUV9, paint_hline_YUV9, copy_hline_YUV9},
+ /* IF09 */
+ /* YV12 */
+ {"YV12", "YV12", 12, paint_setup_YV12, paint_hline_I420, copy_hline_I420},
+ /* I420 */
+ {"I420", "I420", 12, paint_setup_I420, paint_hline_I420, copy_hline_I420},
+ /* NV12 */
+ /* NV21 */
+ /* CLPL */
+ /* Y41B */
+ {"Y41B", "Y41B", 12, paint_setup_Y41B, paint_hline_Y41B, copy_hline_Y41B},
+ /* Y42B */
+ {"Y42B", "Y42B", 16, paint_setup_Y42B, paint_hline_Y42B, copy_hline_Y42B},
+ /* Y800 grayscale */
+ {"Y800", "Y800", 8, paint_setup_Y800, paint_hline_Y800, copy_hline_Y800},
+
+ {"RGB ", "xRGB8888", 32, paint_setup_xRGB8888, paint_hline_str4,
+ copy_hline_str4,
+ 1, 24, 0x00ff0000, 0x0000ff00, 0x000000ff},
+ {"RGB ", "xBGR8888", 32, paint_setup_xBGR8888, paint_hline_str4,
+ copy_hline_str4,
+ 1, 24, 0x000000ff, 0x0000ff00, 0x00ff0000},
+ {"RGB ", "RGBx8888", 32, paint_setup_RGBx8888, paint_hline_str4,
+ copy_hline_str4,
+ 1, 24, 0xff000000, 0x00ff0000, 0x0000ff00},
+ {"RGB ", "BGRx8888", 32, paint_setup_BGRx8888, paint_hline_str4,
+ copy_hline_str4,
+ 1, 24, 0x0000ff00, 0x00ff0000, 0xff000000},
+ {"RGB ", "RGB888", 24, paint_setup_RGB888, paint_hline_str3, copy_hline_str3,
+ 1, 24, 0x00ff0000, 0x0000ff00, 0x000000ff},
+ {"RGB ", "BGR888", 24, paint_setup_BGR888, paint_hline_str3, copy_hline_str3,
+ 1, 24, 0x000000ff, 0x0000ff00, 0x00ff0000},
+ {"RGB ", "RGB565", 16, paint_setup_RGB565, paint_hline_RGB565,
+ copy_hline_str2,
+ 1, 16, 0x0000f800, 0x000007e0, 0x0000001f},
+ {"RGB ", "xRGB1555", 16, paint_setup_xRGB1555, paint_hline_xRGB1555,
+ copy_hline_str2,
+ 1, 15, 0x00007c00, 0x000003e0, 0x0000001f},
+};
+const guint gst_video_format_count = G_N_ELEMENTS (gst_video_format_list);
diff --git a/gst/games/gstvideoimage.h b/gst/games/gstvideoimage.h
new file mode 100644
index 00000000..7392d0d1
--- /dev/null
+++ b/gst/games/gstvideoimage.h
@@ -0,0 +1,114 @@
+/* GStreamer
+ * Copyright (C) <2003> David A. Schleef <ds@schleef.org>
+ * <2004> Benjamin Otte <otte@gnome.org
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gst/gst.h>
+
+#ifndef __GST_VIDEO_IMAGE_H__
+#define __GST_VIDEO_IMAGE_H__
+
+G_BEGIN_DECLS
+
+
+typedef struct _GstVideoColor GstVideoColor;
+typedef struct _GstVideoImage GstVideoImage;
+typedef struct _GstVideoFormat GstVideoFormat;
+
+struct _GstVideoColor {
+ int Y, U, V;
+ int R, G, B;
+};
+extern const GstVideoColor GST_VIDEO_COLOR_WHITE;
+extern const GstVideoColor GST_VIDEO_COLOR_YELLOW;
+extern const GstVideoColor GST_VIDEO_COLOR_CYAN;
+extern const GstVideoColor GST_VIDEO_COLOR_GREEN;
+extern const GstVideoColor GST_VIDEO_COLOR_MAGENTA;
+extern const GstVideoColor GST_VIDEO_COLOR_RED;
+extern const GstVideoColor GST_VIDEO_COLOR_BLUE;
+extern const GstVideoColor GST_VIDEO_COLOR_BLACK;
+extern const GstVideoColor GST_VIDEO_COLOR_NEG_I;
+extern const GstVideoColor GST_VIDEO_COLOR_POS_Q;
+extern const GstVideoColor GST_VIDEO_COLOR_SUPER_BLACK;
+extern const GstVideoColor GST_VIDEO_COLOR_DARK_GREY;
+
+
+struct _GstVideoImage
+{
+ guint8 * dest; /* pointer to first byte of video data */
+ guint8 * yp, *up, *vp; /* pointers to first byte of each component
+ * for both packed/planar YUV and RGB */
+ guint8 * endptr; /* pointer to byte beyond last video data */
+ guint ystride;
+ guint ustride;
+ guint vstride;
+ guint width;
+ guint height;
+ const GstVideoFormat * format;
+};
+
+struct _GstVideoFormat
+{
+ char * fourcc;
+ char * name;
+ int bitspp;
+ void (* paint_setup) (GstVideoImage * p, char *dest);
+ void (* paint_hline) (GstVideoImage * p, int x, int y, int w, const GstVideoColor *c);
+ void (* copy_hline) (GstVideoImage * dest, int destx, int desty,
+ GstVideoImage * src, int srcx, int srcy, int w);
+ int ext_caps;
+ int depth;
+ guint red_mask;
+ guint green_mask;
+ guint blue_mask;
+};
+
+const GstVideoFormat * gst_video_format_find_by_fourcc (int find_fourcc);
+const GstVideoFormat * gst_video_format_find_by_name (const char *name);
+const GstVideoFormat * gst_video_format_find_by_structure (const GstStructure *structure);
+GstStructure * gst_video_format_get_structure (const GstVideoFormat *format);
+guint gst_video_format_get_size (const GstVideoFormat *format,
+ guint w, guint h);
+
+extern const GstVideoFormat gst_video_format_list[];
+extern const guint gst_video_format_count;
+
+void gst_video_image_setup (GstVideoImage *image,
+ const GstVideoFormat *format,
+ guint8 *data, guint w, guint h);
+
+/* drawing operations */
+void gst_video_image_draw_hline (GstVideoImage *image,
+ gint x, gint y, gint w,
+ const GstVideoColor *c);
+void gst_video_image_draw_rectangle (GstVideoImage *image,
+ gint x, gint y, gint w, gint h,
+ const GstVideoColor *c, gboolean filled);
+void gst_video_image_copy_hline (GstVideoImage *dest,
+ gint xdest, gint ydest,
+ GstVideoImage *src,
+ gint xsrc, gint ysrc, gint w);
+void gst_video_image_copy_area (GstVideoImage *dest,
+ gint xdest, gint ydest,
+ GstVideoImage *src,
+ gint xsrc, gint ysrc,
+ gint w, gint h);
+
+G_END_DECLS
+
+#endif /* __GST_VIDEO_IMAGE_H__ */
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 13:08:14 +0000