From 5e19f0229dafd991937f0d344d49dcef4917e710 Mon Sep 17 00:00:00 2001 From: Benjamin Otte Date: Thu, 6 Jan 2005 06:48:01 +0000 Subject: [PATCH] add a puzzle game with... Original commit message from CVS: * 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. --- ChangeLog | 12 + configure.ac | 2 + gst/games/Makefile.am | 12 + gst/games/gstpuzzle.c | 458 ++++++++++++++++++ gst/games/gstvideoimage.c | 946 ++++++++++++++++++++++++++++++++++++++ gst/games/gstvideoimage.h | 114 +++++ 6 files changed, 1544 insertions(+) create mode 100644 gst/games/Makefile.am create mode 100644 gst/games/gstpuzzle.c create mode 100644 gst/games/gstvideoimage.c create mode 100644 gst/games/gstvideoimage.h diff --git a/ChangeLog b/ChangeLog index 3f5bba7626..eaec40c64b 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,15 @@ +2005-01-06 Benjamin Otte + + * 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 * configure.ac: diff --git a/configure.ac b/configure.ac index b27d373fee..f730ddb976 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 0000000000..f3f812a7dc --- /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 0000000000..ac057f6216 --- /dev/null +++ b/gst/games/gstpuzzle.c @@ -0,0 +1,458 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen + * <2003> David Schleef + * <2004> Benjamin Otte + * + * 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 +#include +#include "gstvideoimage.h" +#include + +#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 "); + 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 0000000000..317ae3f8ab --- /dev/null +++ b/gst/games/gstvideoimage.c @@ -0,0 +1,946 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen + * <2004> Benjamin Otte + * + * 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 +#endif + +#include + +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 0000000000..7392d0d136 --- /dev/null +++ b/gst/games/gstvideoimage.h @@ -0,0 +1,114 @@ +/* GStreamer + * Copyright (C) <2003> David A. Schleef + * <2004> Benjamin Otte + +#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__ */