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-rw-r--r--gst/vbidec/Makefile.am9
-rw-r--r--gst/vbidec/gstvbidec.c372
-rw-r--r--gst/vbidec/gstvbidec.h22
-rw-r--r--gst/vbidec/vbidata.c1079
-rw-r--r--gst/vbidec/vbidata.h58
-rw-r--r--gst/vbidec/vbiscreen.c730
-rw-r--r--gst/vbidec/vbiscreen.h49
7 files changed, 2319 insertions, 0 deletions
diff --git a/gst/vbidec/Makefile.am b/gst/vbidec/Makefile.am
new file mode 100644
index 00000000..a7009ec5
--- /dev/null
+++ b/gst/vbidec/Makefile.am
@@ -0,0 +1,9 @@
+plugindir = $(libdir)/gstreamer-@GST_MAJORMINOR@
+
+plugin_LTLIBRARIES = libgstvbidec.la
+
+libgstvbidec_la_SOURCES = gstvbidec.h gstvbidec.c \
+ vbidata.h vbidata.c \
+ vbiscreen.h vbiscreen.c
+libgstvbidec_la_CFLAGS = $(GST_CFLAGS)
+libgstvbidec_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
diff --git a/gst/vbidec/gstvbidec.c b/gst/vbidec/gstvbidec.c
new file mode 100644
index 00000000..1da10543
--- /dev/null
+++ b/gst/vbidec/gstvbidec.c
@@ -0,0 +1,372 @@
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * 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 <config.h>
+#include <string.h>
+#include <inttypes.h>
+#include <ctype.h>
+#include <gst/gst.h>
+#include "gstvbidec.h"
+#include "vbidata.h"
+#include "vbiscreen.h"
+
+#define GST_TYPE_VBIDEC \
+ (gst_vbidec_get_type())
+#define GST_VBIDEC(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VBIDEC,GstVBIDec))
+#define GST_VBIDEC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VBIDEC,GstVBIDec))
+#define GST_IS_VBIDEC(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VBIDEC))
+#define GST_IS_VBIDEC_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VBIDEC))
+
+//typedef struct _GstVBIDec GstVBIDec;
+typedef struct _GstVBIDecClass GstVBIDecClass;
+
+struct _GstVBIDec {
+ GstElement element;
+
+ /* pads */
+ GstPad *sinkpad,
+ *srcpad;
+ char caption[128];
+ vbiscreen_t *vbiscreen;
+ vbidata_t *vbidata;
+ int caption_type;
+ gboolean dvd_input;
+};
+
+struct _GstVBIDecClass {
+ GstElementClass parent_class;
+};
+
+GType gst_vbidec_get_type(void);
+
+/* elementfactory information */
+static GstElementDetails gst_vbidec_details = {
+ "VBI decoder",
+ "Codec/Video/Decoder",
+ "GPL",
+ "Decodes closed captions and XDS data from VBI data",
+ VERSION,
+ "David I. Lehn <dlehn@users.sourceforge.net>",
+ "(C) 2002"
+};
+
+/* VBIDec signals and args */
+enum {
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ ARG_CAPTION_TYPE,
+ ARG_DVD_INPUT
+};
+
+GST_PAD_TEMPLATE_FACTORY (sink_template_factory,
+ "sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_CAPS_NEW (
+ "vbidec_sink",
+ "application/octet-stream",
+ NULL
+ )
+);
+
+GST_PAD_TEMPLATE_FACTORY (src_template_factory,
+ "src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_CAPS_NEW (
+ "vbidec_src",
+ "text/plain",
+ NULL
+ )
+);
+
+
+#define GST_TYPE_VBIDEC_CAPTION_TYPE_TYPE (gst_vbidec_caption_type_get_type())
+static GType
+gst_vbidec_caption_type_get_type (void)
+{
+ static GType vbidec_caption_type_type = 0;
+ static GEnumValue vbidec_caption_type[] = {
+ { CAPTURE_OFF, "0", "Closed Captions off"},
+ { CAPTURE_CC1, "1", "Closed Caption CC1"},
+ { CAPTURE_CC2, "2", "Closed Caption CC2"},
+ { CAPTURE_CC3, "4", "Closed Caption CC3"},
+ { CAPTURE_CC4, "5", "Closed Caption CC4"},
+ { CAPTURE_T1, "6", "Closed Caption T1"},
+ { CAPTURE_T2, "7", "Closed Caption T2"},
+ { CAPTURE_T3, "8", "Closed Caption T3"},
+ { CAPTURE_T4, "9", "Closed Caption T4"},
+ {0, NULL, NULL},
+ };
+ if (!vbidec_caption_type_type) {
+ vbidec_caption_type_type = g_enum_register_static ("GstVBIDecCaptionTypeType", vbidec_caption_type);
+ }
+ return vbidec_caption_type_type;
+}
+
+static void gst_vbidec_class_init (GstVBIDecClass *klass);
+static void gst_vbidec_init (GstVBIDec *vbidec);
+
+static void gst_vbidec_set_property (GObject *object, guint prop_id,
+ const GValue *value, GParamSpec *pspec);
+static void gst_vbidec_get_property (GObject *object, guint prop_id,
+ GValue *value, GParamSpec *pspec);
+
+static void gst_vbidec_chain (GstPad *pad, GstBuffer *buffer);
+
+static GstElementClass *parent_class = NULL;
+/*static guint gst_vbidec_signals[LAST_SIGNAL] = { 0 };*/
+
+GType
+gst_vbidec_get_type (void)
+{
+ static GType vbidec_type = 0;
+
+ if (!vbidec_type) {
+ static const GTypeInfo vbidec_info = {
+ sizeof(GstVBIDecClass),
+ NULL,
+ NULL,
+ (GClassInitFunc)gst_vbidec_class_init,
+ NULL,
+ NULL,
+ sizeof(GstVBIDec),
+ 0,
+ (GInstanceInitFunc)gst_vbidec_init,
+ };
+ vbidec_type = g_type_register_static(GST_TYPE_ELEMENT, "GstVBIDec", &vbidec_info, 0);
+ }
+ return vbidec_type;
+}
+
+static void
+gst_vbidec_class_init(GstVBIDecClass *klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+
+ gobject_class = (GObjectClass*)klass;
+ gstelement_class = (GstElementClass*)klass;
+
+ parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
+
+ gobject_class->set_property = gst_vbidec_set_property;
+ gobject_class->get_property = gst_vbidec_get_property;
+
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_CAPTION_TYPE,
+ g_param_spec_enum ("caption type", "caption type", "Closed Caption Type",
+ GST_TYPE_VBIDEC_CAPTION_TYPE_TYPE, CAPTURE_OFF, G_PARAM_READWRITE));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DVD_INPUT,
+ g_param_spec_boolean ("dvd input", "dvd input", "VBI is encapsulated in MPEG2 GOP user_data field (as on DVDs)",
+ FALSE, G_PARAM_READWRITE));
+}
+
+static void
+gst_vbidec_init (GstVBIDec *vbidec)
+{
+ /* create the sink and src pads */
+ vbidec->sinkpad = gst_pad_new_from_template (
+ GST_PAD_TEMPLATE_GET (sink_template_factory), "sink");
+ gst_element_add_pad (GST_ELEMENT (vbidec), vbidec->sinkpad);
+ gst_pad_set_chain_function (vbidec->sinkpad, GST_DEBUG_FUNCPTR (gst_vbidec_chain));
+
+ vbidec->srcpad = gst_pad_new_from_template (
+ GST_PAD_TEMPLATE_GET (src_template_factory), "src");
+ gst_element_add_pad (GST_ELEMENT (vbidec), vbidec->srcpad);
+
+ vbidec->vbiscreen = vbiscreen_new(0, 0, 1.0, 0, (void *)vbidec);
+ vbidec->vbidata = vbidata_new_line(vbidec->vbiscreen, 0);
+ vbidec->caption_type = CAPTURE_OFF;
+ vbidata_capture_mode(vbidec->vbidata, vbidec->caption_type);
+ vbidec->dvd_input = FALSE;
+}
+
+static void
+line21_decode(GstVBIDec *vbidec, guint8 *data, guint32 size)
+{
+ vbidata_process_line(vbidec->vbidata, data, 0);
+}
+
+static void
+dvd_user_data_decode(GstVBIDec *vbidec, guint8 *data, guint32 size)
+{
+ //char caption[128];
+ //int ci; /* caption index */
+ int i; /* buf index */
+ int num_disp_field;
+ guint8 b1, b2;
+ int w;
+
+ //g_print("%%%% vbi decode\n");
+ //g_print("== %p %d\n", data, size);
+ i = 0;
+ /* Check for Closed Captioning data */
+ if (data[i] != 0x43 || data[i+1] != 0x43 ||
+ data[i+2] != 0x01 || data[i+3] != 0xf8) {
+ g_print ("non-CC data\n");
+ return;
+ }
+ //g_print ("CC data\n");
+ i += 4; /* above */
+ i += 4; /* ? */
+ num_disp_field = data[i] & 0x3f;
+ //g_print ("ndf %d\n", num_disp_field);
+ while ((data[i] & 0xfe) == 0xfe) {
+ if (data[i] & 0x1) {
+ b1 = data[i+1] & 0x7f;
+ b2 = data[i+2] & 0x7f;
+ w = (b2 << 8) | b1;
+ vbidata_process_16b(vbidec->vbidata, 0, w);
+ }
+ i += 3;
+ }
+}
+
+static void
+gst_vbidec_chain (GstPad *pad, GstBuffer *buf)
+{
+ GstVBIDec *vbidec = GST_VBIDEC (gst_pad_get_parent (pad));
+ guint32 size;
+ guint8 *data;
+ guint64 pts;
+
+ size = GST_BUFFER_SIZE (buf);
+ data = GST_BUFFER_DATA (buf);
+ pts = GST_BUFFER_TIMESTAMP (buf);
+
+ /*
+ g_print("** user_data: addr:%p len:%d state:%d\n", data, size, 0);
+ {
+ int i;
+ guint8 ud;
+ g_print("** \"");
+ for (i=0; i<size; i++) {
+ ud = data[i];
+ if (isprint((char)ud)) {
+ g_print("%c", (char)ud);
+ } else {
+ g_print("[0x%02x]", ud);
+ }
+ }
+ g_print("\"\n");
+ }
+ */
+
+ if (vbidec->dvd_input) {
+ dvd_user_data_decode(vbidec, data, size);
+ } else {
+ line21_decode(vbidec, data, size);
+ }
+
+ gst_buffer_unref(buf);
+}
+
+void
+gst_vbidec_show_text (GstVBIDec *vbidec, char *text, int len)
+{
+ //fprintf(stderr, "%*s\n", len, text);
+ if (len > 0) {
+ if (GST_PAD_IS_USABLE (vbidec->srcpad)) {
+ GstBuffer *buf = gst_buffer_new_and_alloc (len);
+ memcpy (GST_BUFFER_DATA (buf), text, len);
+ GST_BUFFER_SIZE (buf) = len;
+ // FIXME
+ //GST_BUFFER_TIMESTAMP (buf) = vbidec->...
+ //...
+ //fprintf(stderr, "vbi text pushed\n");
+ gst_pad_push (vbidec->srcpad, buf);
+ }
+ }
+}
+
+static void
+gst_vbidec_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+{
+ GstVBIDec *vbidec;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail (GST_IS_VBIDEC (object));
+ vbidec = GST_VBIDEC (object);
+
+ switch (prop_id) {
+ case ARG_DVD_INPUT:
+ vbidec->dvd_input = g_value_get_boolean(value);
+ break;
+ case ARG_CAPTION_TYPE:
+ vbidec->caption_type = g_value_get_enum(value);
+ vbidata_capture_mode(vbidec->vbidata, vbidec->caption_type);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+gst_vbidec_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+{
+ GstVBIDec *vbidec;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail (GST_IS_VBIDEC (object));
+ vbidec = GST_VBIDEC (object);
+
+ switch (prop_id) {
+ case ARG_DVD_INPUT:
+ g_value_set_boolean(value, vbidec->dvd_input);
+ break;
+ case ARG_CAPTION_TYPE:
+ g_value_set_enum(value, vbidec->caption_type);
+ break;
+ default:
+ break;
+ }
+}
+
+static gboolean
+plugin_init (GModule *module, GstPlugin *plugin)
+{
+ GstElementFactory *factory;
+
+ /* create an elementfactory for the vbidec element */
+ factory = gst_element_factory_new("vbidec",GST_TYPE_VBIDEC,
+ &gst_vbidec_details);
+ g_return_val_if_fail(factory != NULL, FALSE);
+ gst_element_factory_set_rank (factory, GST_ELEMENT_RANK_PRIMARY);
+
+ gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (src_template_factory));
+ gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (sink_template_factory));
+
+ gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
+
+ return TRUE;
+}
+
+GstPluginDesc plugin_desc = {
+ GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "vbidec",
+ plugin_init
+};
diff --git a/gst/vbidec/gstvbidec.h b/gst/vbidec/gstvbidec.h
new file mode 100644
index 00000000..8a5ea7e5
--- /dev/null
+++ b/gst/vbidec/gstvbidec.h
@@ -0,0 +1,22 @@
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * 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.
+ */
+
+typedef struct _GstVBIDec GstVBIDec;
+
+void gst_vbidec_show_text (GstVBIDec *vbidec, char *text, int len);
diff --git a/gst/vbidec/vbidata.c b/gst/vbidec/vbidata.c
new file mode 100644
index 00000000..14d7a7e0
--- /dev/null
+++ b/gst/vbidec/vbidata.c
@@ -0,0 +1,1079 @@
+/**
+ * Copyright (c) 2002 Billy Biggs <vektor@dumbterm.net>.
+ * Copyright (c) 2002 Doug Bell <drbell@users.sourceforge.net>
+ *
+ * CC code from Nathan Laredo's ccdecode, used under the GPL.
+ * Lots of 'hey what does this mean?' code from
+ * Billy Biggs and Doug Bell, like all the crap with
+ * XDS and stuff. Some help from Zapping's vbi library by
+ * Michael H. Schimek and others, released under the GPL.
+ *
+ * Modified and adapted to GStreamer by
+ * David I. Lehn <dlehn@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <string.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <unistd.h>
+#include <errno.h>
+#include "vbidata.h"
+#include "vbiscreen.h"
+/*#include "tvtimeosd.h"*/
+
+#define DO_LINE 11
+static int pll = 0;
+
+struct vbidata_s
+{
+ int fd;
+ vbiscreen_t *vs;
+ /*tvtime_osd_t *osd;*/
+ char buf[ 65536 ];
+ int wanttop;
+ int wanttext;
+
+ unsigned int colour;
+ int row, ital;
+ int indent, ul;
+ int chan;
+
+ unsigned int current_colour;
+ int current_row, current_ital;
+ int current_indent, current_ul;
+ int current_chan;
+ int current_istext;
+
+ int initialised;
+ int enabled;
+ int lastcode;
+ int lastcount;
+ int verbose;
+
+ /* XDS data */
+ char xds_packet[ 2048 ];
+ int xds_cursor;
+
+ char *program_name;
+ char *network_name;
+ char *call_letters;
+ const char *rating;
+ const char *program_type;
+ int start_day;
+ int start_month;
+ int start_min;
+ int start_hour;
+ int length_hour;
+ int length_min;
+ int length_elapsed_hour;
+ int length_elapsed_min;
+ int length_elapsed_sec;
+ char *program_desc[8];
+};
+
+
+/* this is NOT exactly right */
+//static char *ccode = " !\"#$%&'()\0341+,-./0123456789:;<=>?@"
+static char *ccode = " !\"#$%&'()a+,-./0123456789:;<=>?@"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+// "abcdefghijklmnopqrstuvwxyz"
+// "[\0351]\0355\0363\0372abcdefghijklmnopqr"
+ "[e]iouabcdefghijklmnopqr"
+// "stuvwxyz\0347\0367\0245\0244\0240";
+ "stuvwxyzcoNn ";
+static char *wccode = "\0256\0260\0275\0277T\0242\0243#\0340 "
+ "\0350\0354\0362\0371";
+
+static char *extcode1 = "\0301\0311\0323\0332\0334\0374"
+ "`\0241*'-\0251S*\"\"\0300\0302"
+ "\0307\0310\0312\0313\0353\0316\0317\0357"
+ "\0324\0331\0371\0333\0253\0273";
+
+static char *extcode2 = "\0303\0343\0315\0314\0354\0322\0362\0325"
+ "{}\\^_|~\0304\0344\0326\0366\0337\0245\0244|"
+ "\0305\0345\0330\0370++++";
+
+int parityok(int n)
+{ /* check parity for 2 bytes packed in n */
+ int j, k;
+ for (k = 0, j = 0; j < 7; j++)
+ if (n & (1 << j))
+ k++;
+ if ((k & 1) && (n & 0x80))
+ return 0;
+ for (k = 0, j = 8; j < 15; j++)
+ if (n & (1 << j))
+ k++;
+ if ((k & 1) && (n & 0x8000))
+ return 0;
+ return 1;
+}
+
+int decodebit(unsigned char *data, int threshold)
+{
+ return ((data[0] + data[1] + data[2] + data[3] + data[4] + data[5] +
+ data[6] + data[7] + data[8] + data[9] + data[10] + data[11] +
+ data[12] + data[13] + data[14] + data[15] + data[16] + data[17] +
+ data[18] + data[19] + data[20] + data[21] + data[22] + data[23] +
+ data[24] + data[25] + data[26] + data[27] + data[28] + data[29] +
+ data[30] + data[31])>>5 > threshold);
+}
+
+
+int ccdecode(unsigned char *vbiline)
+{
+ int max = 0, maxval = 0, minval = 255, i = 0, clk = 0, tmp = 0;
+ int sample, packedbits = 0;
+
+ for (i=0; i<250; i++) {
+ sample = vbiline[i];
+ if (sample - maxval > 10)
+ (maxval = sample, max = i);
+ if (sample < minval)
+ minval = sample;
+ if (maxval - sample > 40)
+ break;
+ }
+ sample = ((maxval + minval) >> 1);
+ pll = max;
+
+ /* found clock lead-in, double-check start */
+#ifndef PAL_DECODE
+ i = max + 478;
+#else
+ i = max + 538;
+#endif
+ if (!decodebit(&vbiline[i], sample))
+ return 0;
+#ifndef PAL_DECODE
+ tmp = i + 57; /* tmp = data bit zero */
+#else
+ tmp = i + 71;
+#endif
+ for (i = 0; i < 16; i++) {
+#ifndef PAL_DECODE
+ clk = tmp + i * 57;
+#else
+ clk = tmp + i * 71;
+#endif
+ if (decodebit(&vbiline[clk], sample)) {
+ packedbits |= 1 << i;
+ }
+ }
+ if (parityok(packedbits))
+ return packedbits;
+ return 0;
+} /* ccdecode */
+
+const char *movies[] = { "N/A", "G", "PG", "PG-13", "R",
+ "NC-17", "X", "Not Rated" };
+const char *usa_tv[] = { "Not Rated", "TV-Y", "TV-Y7", "TV-G",
+ "TV-PG", "TV-14", "TV-MA", "Not Rated" };
+const char *cane_tv[] = { "Exempt", "C", "C8+", "G", "PG",
+ "14+", "18+", "Reserved" };
+const char *canf_tv[] = { "Exempt", "G", "8 ans +", "13 ans +",
+ "16 ans +", "18 ans +", "Reserved",
+ "Reserved" };
+
+const char *months[] = { 0, "Jan", "Feb", "Mar", "Apr", "May",
+ "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
+
+static const char *eia608_program_type[ 96 ] = {
+ "education", "entertainment", "movie", "news", "religious", "sports",
+ "other", "action", "advertisement", "animated", "anthology",
+ "automobile", "awards", "baseball", "basketball", "bulletin", "business",
+ "classical", "college", "combat", "comedy", "commentary", "concert",
+ "consumer", "contemporary", "crime", "dance", "documentary", "drama",
+ "elementary", "erotica", "exercise", "fantasy", "farm", "fashion",
+ "fiction", "food", "football", "foreign", "fund raiser", "game/quiz",
+ "garden", "golf", "government", "health", "high school", "history",
+ "hobby", "hockey", "home", "horror", "information", "instruction",
+ "international", "interview", "language", "legal", "live", "local",
+ "math", "medical", "meeting", "military", "miniseries", "music", "mystery",
+ "national", "nature", "police", "politics", "premiere", "prerecorded",
+ "product", "professional", "public", "racing", "reading", "repair", "repeat",
+ "review", "romance", "science", "series", "service", "shopping",
+ "soap opera", "special", "suspense", "talk", "technical", "tennis",
+ "travel", "variety", "video", "weather", "western"
+};
+
+
+static void parse_xds_packet( vbidata_t *vbi, char *packet, int length )
+{
+ int sum = 0;
+ int i;
+
+ if( !vbi ) return;
+
+ /* Check the checksum for validity of the packet. */
+ for( i = 0; i < length - 1; i++ ) {
+ sum += packet[ i ];
+ }
+ if( (((~sum) & 0x7f) + 1) != packet[ length - 1 ] ) {
+ return;
+ }
+
+ /* Stick a null at the end, and cut off the last two characters. */
+ packet[ length - 2 ] = '\0';
+ length -= 2;
+
+ if( packet[ 0 ] == 0x01 && packet[ 1 ] == 0x03 ) {
+ if( vbi->program_name && !strcmp(vbi->program_name, packet + 2 ) ) {
+ return;
+ }
+ if( vbi->verbose ) fprintf( stderr, "Current program name: '%s'\n", packet + 2 );
+ if( vbi->program_name ) free( vbi->program_name );
+ vbi->program_name = strdup(packet + 2);
+ /*tvtime_osd_set_show_name( vbi->osd, vbi->program_name );*/
+ } else if( packet[ 0 ] == 0x03 && packet[ 1 ] == 0x03 ) {
+ if( vbi->verbose ) fprintf( stderr, "Future program name: '%s'\n", packet + 2 );
+ } else if( packet[ 0 ] == 0x05 && packet[ 1 ] == 0x01 ) {
+ if( vbi->network_name && !strcmp(vbi->network_name, packet + 2 ) ) {
+ return;
+ }
+
+ if( vbi->verbose ) fprintf( stderr, "Network name: '%s'\n", packet + 2 );
+ if( vbi->network_name ) free( vbi->network_name );
+ vbi->network_name = strdup( packet + 2 );
+ /*tvtime_osd_set_network_name( vbi->osd, vbi->network_name );*/
+ } else if( packet[ 0 ] == 0x01 && packet[ 1 ] == 0x05 ) {
+ int movie_rating = packet[ 2 ] & 7;
+ int scheme = (packet[ 2 ] & 56) >> 3;
+ int tv_rating = packet[ 3 ] & 7;
+ int VSL = packet[ 3 ] & 56;
+ const char * str;
+
+ switch( VSL | scheme ) {
+ case 3: /* Canadian English TV */
+ str = cane_tv[ tv_rating ];
+ break;
+ case 7: /* Canadian French TV */
+ str = canf_tv[ tv_rating ];
+ break;
+ case 19: /* Reserved */
+ case 31:
+ str = "";
+ break;
+ default:
+ if( ((VSL | scheme) & 3) == 1 ) {
+ /* USA TV */
+ str = usa_tv[ tv_rating ];
+ } else {
+ /* MPAA Movie Rating */
+ str = movies[ movie_rating ];
+ }
+ break;
+ }
+
+ if( vbi->rating && !strcmp(vbi->rating, str ) ) {
+ return;
+ }
+
+ if( vbi->verbose ) fprintf( stderr, "Show rating: %s", str );
+ if( ((VSL | scheme) & 3) == 1 || ((VSL | scheme) & 3) == 0 ) {
+ /* show VSLD for the americans */
+ if( (VSL | scheme) & 32 ) {
+ if( vbi->verbose ) fprintf( stderr, " V" );
+ }
+ if( (VSL | scheme) & 16 ) {
+ if( vbi->verbose ) fprintf( stderr, " S" );
+ }
+ if( (VSL | scheme) & 8 ) {
+ if( vbi->verbose ) fprintf( stderr, " L" );
+ }
+ if( (VSL | scheme) & 4 ) {
+ if( vbi->verbose ) fprintf( stderr, " D" );
+ }
+ }
+ if( vbi->verbose ) fprintf( stderr, "\n" );
+ vbi->rating = str;
+ /*tvtime_osd_set_show_rating( vbi->osd, vbi->rating );*/
+ } else if( packet[ 0 ] == 0x05 && packet[ 1 ] == 0x02 ) {
+ if( vbi->call_letters && !strcmp(vbi->call_letters, packet + 2 ) ) {
+ return;
+ }
+
+ if( vbi->verbose ) fprintf( stderr, "Network call letters: '%s'\n", packet + 2 );
+ if( vbi->call_letters ) free( vbi->call_letters );
+ vbi->call_letters = strdup( packet + 2 );
+ /*tvtime_osd_set_network_call( vbi->osd, vbi->call_letters );*/
+ } else if( packet[ 0 ] == 0x01 && packet[ 1 ] == 0x01 ) {
+ int month = packet[5];// & 15;
+ int day = packet[4];// & 31;
+ int hour = packet[3];// & 31;
+ int min = packet[2];// & 63;
+ char str[33];
+ if( vbi->verbose ) fprintf( stderr, "Program Start: %02d %s, %02d:%02d\n",
+ day & 31, months[month & 15], hour & 31, min & 63 );
+ // packet[ 3 ], packet[ 4 ], packet[ 5 ], packet[ 6 ] );
+ //packet[ 5 ] & 31, packet[ 6 ], packet[ 4 ] & 31, packet[ 3 ] & 63 );
+ vbi->start_month = month & 15;
+ vbi->start_day = day & 31;
+ vbi->start_hour = hour & 31;
+ vbi->start_min = hour & 63;
+ snprintf( str, 32, "%02d %s, %02d:%02d",
+ day & 31, months[month & 15], hour & 31, min & 63 );
+ /*tvtime_osd_set_show_start( vbi->osd, str );*/
+ } else if( packet[ 0 ] == 0x01 && packet[ 1 ] == 0x04 ) {
+ if( vbi->verbose ) fprintf( stderr, "Program type: " );
+ for( i = 0; i < length - 2; i++ ) {
+ int cur = packet[ 2 + i ] - 0x20;
+ if( cur >= 0 && cur < 96 ) {
+ if( vbi->verbose ) fprintf( stderr, "%s%s", i ? ", " : "", eia608_program_type[ cur ] );
+ /* this will cause us to keep only the last type we check */
+ vbi->program_type = eia608_program_type[ cur ];
+ }
+ }
+ if( vbi->verbose ) fprintf( stderr, "\n" );
+ } else if( packet[ 0 ] < 0x03 && packet[ 1 ] >= 0x10 && packet[ 1 ] <= 0x17 ) {
+
+ if( vbi->program_desc[ packet[1] & 0xf ] &&
+ !strcmp(vbi->program_desc[ packet[1] & 0xf ], packet + 2 ) ) {
+ return;
+ }
+
+ if( vbi->verbose ) fprintf( stderr, "Program Description: Line %d", packet[1] & 0xf );
+ if( vbi->verbose ) fprintf( stderr, "%s\n", packet + 2 );
+ if( vbi->program_desc[ packet[1] & 0xf ] )
+ free( vbi->program_desc[ packet[1] & 0xf ] );
+ vbi->program_desc[ packet[1] & 0xf ] = strdup( packet + 2 );
+ } else if( packet[ 0 ] == 0x01 && packet[ 1 ] == 0x02 ) {
+ char str[ 33 ];
+ str[0] = 0;
+ if( vbi->verbose ) fprintf( stderr, "Program Length: %02d:%02d",
+ packet[ 3 ] & 63, packet[ 2 ] & 63 );
+ vbi->length_hour = packet[ 3 ] & 63;
+ vbi->length_min = packet[ 2 ] & 63;
+ snprintf( str, 32, "%02d:%02d",
+ packet[ 3 ] & 63, packet[ 2 ] & 63 );
+ if( length > 4 ) {
+ if( vbi->verbose ) fprintf( stderr, " Elapsed: %02d:%02d", packet[ 5 ] & 63,
+ packet[ 4 ] & 63 );
+ vbi->length_elapsed_hour = packet[ 5 ] & 63;
+ vbi->length_elapsed_min = packet[ 4 ] & 63;
+ snprintf( str, 32, "%02d:%02d/%02d:%02d",
+ packet[ 5 ] & 63, packet[ 4 ] & 63,
+ packet[ 3 ] & 63, packet[ 2 ] & 63 );
+ } else {
+ vbi->length_elapsed_hour = 0;
+ vbi->length_elapsed_min = 0;
+ }
+
+ if( length > 6 ) {
+ if( vbi->verbose ) fprintf( stderr, ".%02d", packet[ 6 ] & 63 );
+ vbi->length_elapsed_hour = packet[ 6 ] & 63;
+ snprintf( str, 32, "%02d:%02d.%02d/%02d:%02d",
+ packet[ 5 ] & 63, packet[ 4 ] & 63, packet[ 6 ] & 63,
+ packet[ 3 ] & 63, packet[ 2 ] & 63 );
+ } else {
+ vbi->length_elapsed_hour = 0;
+ }
+ /*tvtime_osd_set_show_length( vbi->osd, str );*/
+ if( vbi->verbose ) fprintf( stderr, "\n" );
+ } else if( packet[ 0 ] == 0x05 && packet[ 1 ] == 0x04 ) {
+ if( vbi->verbose ) fprintf( stderr, "Transmission Signal Identifier (TSID): 0x%04x\n",
+ packet[ 2 ] << 24 | packet[ 3 ] << 16 | packet[ 4 ] << 8 | packet[ 5 ] );
+ } else {
+ /* unknown */
+
+ if( vbi->verbose ) fprintf( stderr, "Unknown XDS packet, class " );
+ switch( packet[ 0 ] ) {
+ case 0x1: if( vbi->verbose ) fprintf( stderr, "CURRENT start\n" ); break;
+ case 0x2: if( vbi->verbose ) fprintf( stderr, "CURRENT continue\n" ); break;
+
+ case 0x3: if( vbi->verbose ) fprintf( stderr, "FUTURE start\n" ); break;
+ case 0x4: if( vbi->verbose ) fprintf( stderr, "FUTURE continue\n" ); break;
+
+ case 0x5: if( vbi->verbose ) fprintf( stderr, "CHANNEL start\n" ); break;
+ case 0x6: if( vbi->verbose ) fprintf( stderr, "CHANNEL continue\n" ); break;
+
+ case 0x7: if( vbi->verbose ) fprintf( stderr, "MISC start\n" ); break;
+ case 0x8: if( vbi->verbose ) fprintf( stderr, "MISC continue\n" ); break;
+
+ case 0x9: if( vbi->verbose ) fprintf( stderr, "PUB start\n" ); break;
+ case 0xa: if( vbi->verbose ) fprintf( stderr, "PUB continue\n" ); break;
+
+ case 0xb: if( vbi->verbose ) fprintf( stderr, "RES start\n" ); break;
+ case 0xc: if( vbi->verbose ) fprintf( stderr, "RES continue\n" ); break;
+
+ case 0xd: if( vbi->verbose ) fprintf( stderr, "UNDEF start\n" ); break;
+ case 0xe: if( vbi->verbose ) fprintf( stderr, "UNDEF continue\n" ); break;
+ }
+ for( i = 0; i < length; i++ ) {
+ if( vbi->verbose ) fprintf( stderr, "0x%02x ", packet[ i ] );
+ }
+ if( vbi->verbose ) fprintf( stderr, "\n" );
+ }
+}
+
+static int xds_decode( vbidata_t *vbi, int b1, int b2 )
+{
+ if( !vbi ) return 0;
+ if( vbi->xds_cursor > 2046 ) {
+ vbi->xds_cursor = 0;
+ }
+
+ if( !vbi->xds_cursor && b1 > 0xf ) {
+ return 0;
+ }
+
+
+ if( b1 < 0xf && (b1 & 0x2) ) {
+ /* ignore the continue and thus 'support' continuation of
+ a single packet */
+ return 1;
+ } else if( b1 < 0xf ) {
+ /* kill old packet cause we got a new one */
+ vbi->xds_cursor = 0;
+ }
+
+ vbi->xds_packet[ vbi->xds_cursor ] = b1;
+ vbi->xds_packet[ vbi->xds_cursor + 1 ] = b2;
+ vbi->xds_cursor += 2;
+
+ if( b1 == 0xf ) {
+ parse_xds_packet( vbi, vbi->xds_packet, vbi->xds_cursor );
+ vbi->xds_cursor = 0;
+ }
+
+ return 1;
+}
+
+#define NOMODE 0
+
+#define CC1 1
+#define CC2 2
+#define T1 3
+#define T2 4
+
+#define CC3 1
+#define CC4 2
+#define T3 3
+#define T4 4
+
+const unsigned int colours[] = {
+ 0xFFFFFFFFU, /* white */
+ 0xFF00FF00U, /* green */
+ 0xFF0000FFU, /* blue */
+ 0xFF00C7C7U, /* cyan */
+ 0xFFFF0000U, /* red */
+ 0xFFFFFF00U, /* yellow */
+ 0xFFC700C7U /* magenta */
+};
+
+const int rows[] = {
+ 11,
+ 0, /* unused */
+ 1,
+ 2,
+ 3,
+ 4,
+ 12,
+ 13,
+ 14,
+ 15,
+ 5,
+ 6,
+ 7,
+ 8,
+ 9,
+ 10
+};
+
+#define ROLL_2 6
+#define ROLL_3 7
+#define ROLL_4 8
+#define POP_UP 9
+#define PAINT_ON 10
+
+
+static int Process16b( vbidata_t *vbi, int bottom, int w1 )
+{
+ int b1, b2;
+
+ b1 = w1 & 0x7f;
+ b2 = (w1 >> 8) & 0x7f;
+
+ if( !b1 && !b2 ) {
+ return 0;
+ }
+
+ if( vbi->enabled &&
+ b1 >= 0x10 && b1 <= 0x1F && b2 >= 0x20 && b2 <= 0x7F ) {
+ int code;
+ if( (b2 & 64) ) {
+ /* Preamble Code */
+ /* This sets up colors and indenting */
+
+ if( !bottom && vbi->lastcode == ( (b1 << 8) | b2 ) ) {
+ vbi->lastcount = (vbi->lastcount + 1) % 2;
+ return 1;
+ }
+
+ vbi->current_chan = (b1 & 8) >> 3;
+ if( !bottom == vbi->wanttop ) {
+ if( vbi->chan != vbi->current_chan )
+ return 0;
+ } else return 0;
+
+ vbi->current_ital = (b2 & 1);
+ if( !(b2 & 16) ) {
+ vbi->current_colour = colours[ (b2 & 30) >> 1 ];
+ vbi->current_indent = 0;
+ } else {
+ vbi->current_colour = 0xFFFFFFFFU; /* white */
+ vbi->current_indent = 4*( (b2 & 14) >> 1 );
+ }
+ vbi->current_row = rows[ ((b1 & 7) << 1) | ((b2 & 32) >> 5) ];
+ vbi->current_ul = b2 & 1;
+
+ if( vbi->verbose ) fprintf( stderr, "field: %d chan %d, ital %d, ul %d, colour 0x%x, "
+ "indent %d, row %d\n", bottom, vbi->current_chan,
+ vbi->current_ital, vbi->current_ul, vbi->current_colour,
+ vbi->current_indent, vbi->current_row );
+
+ if( !bottom == vbi->wanttop &&
+ vbi->current_chan == vbi->chan &&
+ vbi->current_istext == vbi->wanttext ) {
+
+ vbi->indent = vbi->current_indent;
+ vbi->ital = vbi->current_ital;
+ vbi->colour = vbi->current_colour;
+ vbi->row = vbi->current_row;
+ vbi->current_istext = 0;
+
+ vbiscreen_new_caption( vbi->vs, vbi->indent, vbi->ital,
+ vbi->colour, vbi->row );
+
+ }
+
+ vbi->lastcode = ( b1 << 8) | b2;
+ vbi->lastcount = 0;
+ return 1;
+ }
+
+ if( (b1 & 8) == 1 ) {
+ /* Midrow code */
+ if( !vbi->initialised ) return 0;
+
+ if( !bottom && vbi->lastcode == ( (b1 << 8) | b2 ) ) {
+ vbi->lastcount = (vbi->lastcount + 1) % 2;
+ return 1;
+ }
+
+ if( vbi->verbose ) fprintf( stderr, "Midrow TODO: Add me.\n" );
+
+ vbi->lastcode = ( b1 << 8) | b2;
+ return 1;
+ }
+
+ if( (b1 & 2) && !(b2 & 64) ) {
+ if( !vbi->initialised ) return 0;
+
+ if( !bottom && vbi->lastcode == ( (b1 << 8) | b2 ) ) {
+ vbi->lastcount = (vbi->lastcount + 1) % 2;
+ return 1;
+ }
+
+ if( vbi->verbose ) fprintf( stderr, "Tab Offset: %d columns\n", b2 & 3 );
+ if( vbi->wanttext && vbi->current_istext &&
+ vbi->current_chan == vbi->chan && !bottom == vbi->wanttop ) {
+ vbiscreen_tab( vbi->vs, b2 & 3 );
+ }
+ vbi->lastcode = ( b1 << 8) | b2;
+ return 1;
+ }
+
+ switch( (code = b2 & 15) ) {
+ case 0: /* POP-UP */
+ case 5: /* ROLL UP 2 */
+ case 6: /* ROLL UP 3 */
+ case 7: /* ROLL UP 4 */
+ case 9: /* PAINT-ON */
+ case 10:/* TEXT */
+ case 11:/* TEXT */
+ vbi->initialised = 1;
+ if( !bottom && vbi->lastcode == ( (b1 << 8) | b2 ) ) {
+ /* This is the repeated Control Code */
+ vbi->lastcount = (vbi->lastcount + 1) % 2;
+ return 1;
+ }
+ switch( code ) {
+ case 0: /* POP-UP */
+ if( !vbi->wanttext && vbi->current_chan == vbi->chan &&
+ !bottom == vbi->wanttop ) {
+ if( vbi->verbose )
+ fprintf( stderr, "Pop-Up\n");
+ vbi->indent = vbi->current_indent;
+ vbi->ital = vbi->current_ital;
+ vbi->colour = vbi->current_colour;
+ vbi->row = vbi->current_row;
+ vbi->current_istext = 0;
+ vbiscreen_set_mode( vbi->vs, 1, POP_UP );
+ }
+ break;
+ case 5: /* ROLL UP 2 */
+ if( !vbi->wanttext && vbi->current_chan == vbi->chan &&
+ !bottom == vbi->wanttop ) {
+ if( vbi->verbose )
+ fprintf( stderr, "Roll-Up 2 (RU2)\n");
+ vbi->indent = vbi->current_indent;
+ vbi->ital = vbi->current_ital;
+ vbi->colour = vbi->current_colour;
+ vbi->row = vbi->current_row;
+ vbi->current_istext = 0;
+ vbiscreen_set_mode( vbi->vs, 1, ROLL_2 );
+ }
+ break;
+ case 6: /* ROLL UP 3 */
+ if( !vbi->wanttext && vbi->current_chan == vbi->chan &&
+ !bottom == vbi->wanttop ) {
+ if( vbi->verbose )
+ fprintf( stderr, "Roll-Up 3 (RU3)\n");
+ vbi->indent = vbi->current_indent;
+ vbi->ital = vbi->current_ital;
+ vbi->colour = vbi->current_colour;
+ vbi->row = vbi->current_row;
+ vbi->current_istext = 0;
+ vbiscreen_set_mode( vbi->vs, 1, ROLL_3 );
+ }
+ break;
+ case 7: /* ROLL UP 4 */
+ if( !vbi->wanttext && vbi->current_chan == vbi->chan &&
+ !bottom == vbi->wanttop ) {
+ if( vbi->verbose )
+ fprintf( stderr, "Roll-Up 4 (RU4)\n");
+ vbi->indent = vbi->current_indent;
+ vbi->ital = vbi->current_ital;
+ vbi->colour = vbi->current_colour;
+ vbi->row = vbi->current_row;
+ vbi->current_istext = 0;
+ vbiscreen_set_mode( vbi->vs, 1, ROLL_4 );
+ }
+ break;
+ case 9: /* PAINT-ON */
+ if( !vbi->wanttext && vbi->current_chan == vbi->chan &&
+ !bottom == vbi->wanttop ) {
+ if( vbi->verbose )
+ fprintf( stderr, "Paint-On\n");
+ vbi->indent = vbi->current_indent;
+ vbi->ital = vbi->current_ital;
+ vbi->colour = vbi->current_colour;
+ vbi->row = vbi->current_row;
+ vbi->current_istext = 0;
+ vbiscreen_set_mode( vbi->vs, 1, PAINT_ON );
+ }
+ break;
+ case 10:/* TEXT */
+ if( vbi->wanttext && vbi->current_chan == vbi->chan &&
+ !bottom == vbi->wanttop ) {
+ if( vbi->verbose )
+ fprintf( stderr, "Text Restart\n");
+ vbi->indent = vbi->current_indent;
+ vbi->ital = vbi->current_ital;
+ vbi->colour = vbi->current_colour;
+ vbi->row = vbi->current_row;
+ vbi->current_istext = 1;
+ vbiscreen_set_mode( vbi->vs, 0, 0 );
+ }
+ break;
+ case 11:/* TEXT */
+ if( vbi->wanttext && vbi->current_chan == vbi->chan &&
+ !bottom == vbi->wanttop ) {
+ if( vbi->verbose )
+ fprintf( stderr, "Resume Text Display\n");
+ vbi->indent = vbi->current_indent;
+ vbi->ital = vbi->current_ital;
+ vbi->colour = vbi->current_colour;
+ vbi->row = vbi->current_row;
+ vbi->current_istext = 1;
+ vbiscreen_set_mode( vbi->vs, 0, 0 );
+ }
+ break;
+ default: /* impossible */
+ break;
+ }
+ break;
+ case 1:
+ if( !vbi->initialised ) return 0;
+ if( !bottom && vbi->lastcode == ( (b1 << 8) | b2 ) ) {
+ vbi->lastcount = (vbi->lastcount + 1) % 2;
+ }
+ if( !bottom == vbi->wanttop && vbi->current_chan == vbi->chan &&
+ vbi->current_istext == vbi->wanttext ) {
+ if( vbi->verbose )
+ fprintf( stderr, "Backspace\n");
+ vbiscreen_backspace( vbi->vs );
+ }
+ break;
+ case 2:
+ case 3:
+ if( !vbi->initialised ) return 0;
+ fprintf( stderr, "Reserved\n");
+ break;
+ case 4:
+ if( !vbi->initialised ) return 0;
+ if( !bottom && vbi->lastcode == ( (b1 << 8) | b2 ) ) {
+ vbi->lastcount = (vbi->lastcount + 1) % 2;
+ }
+ if( !bottom == vbi->wanttop && vbi->current_chan == vbi->chan &&
+ vbi->current_istext == vbi->wanttext ) {
+ if( vbi->verbose )
+ fprintf( stderr, "Delete to End of Row\n");
+ vbiscreen_delete_to_end( vbi->vs );
+ }
+ break;
+ case 8:
+ if( !vbi->initialised ) return 0;
+ if( vbi->verbose )
+ fprintf( stderr, "Flash On\n");
+ break;
+ case 12:
+ case 13:
+ case 14:
+ case 15:
+ if( !vbi->initialised ) return 0;
+ if( !bottom && vbi->lastcode == ( (b1 << 8) | b2 ) ) {
+ vbi->lastcount = (vbi->lastcount + 1) % 2;
+ return 1;
+ }
+
+ switch( code ) {
+ case 12:
+ /* Show buffer 1, Fill buffer 2 */
+ if( !bottom == vbi->wanttop &&
+ vbi->current_chan == vbi->chan &&
+ vbi->current_istext == vbi->wanttext ) {
+ if( vbi->verbose )
+ fprintf( stderr, "Erase Displayed Memory\n");
+ vbiscreen_erase_displayed( vbi->vs );
+ }
+ break;
+ case 13:
+ if( !bottom == vbi->wanttop &&
+ vbi->current_chan == vbi->chan &&
+ vbi->current_istext == vbi->wanttext ) {
+ if( vbi->verbose )
+ fprintf( stderr, "Carriage Return\n");
+ vbiscreen_carriage_return( vbi->vs );
+ }
+ break;
+ case 14:
+ if( !bottom == vbi->wanttop &&
+ vbi->current_chan == vbi->chan &&
+ vbi->current_istext == vbi->wanttext ) {
+ if( vbi->verbose )
+ fprintf( stderr, "Erase Non-Displayed\n");
+ vbiscreen_erase_non_displayed( vbi->vs );
+ }
+ break;
+ case 15:
+ /* Show buffer 2, Fill Buffer 1 */
+ if( !bottom == vbi->wanttop &&
+ vbi->current_chan == vbi->chan &&
+ vbi->current_istext == vbi->wanttext ) {
+ if( vbi->verbose )
+ fprintf( stderr, "End Of Caption\n");
+ vbiscreen_end_of_caption( vbi->vs );
+ }
+ break;
+ default: /* impossible */
+ return 0;
+ break;
+ }
+ break;
+ default: /* Impossible */
+ return 0;
+ break;
+ }
+
+ if( vbi->lastcode != ((b1 << 8) | b2) ) {
+ vbi->lastcount = 0;
+ }
+
+ vbi->lastcode = (b1 << 8) | b2;
+ return 1;
+ }
+
+ if( bottom && xds_decode( vbi, b1, b2 ) ) {
+ return 1;
+ }
+
+ if( !vbi->enabled ) return 0;
+
+ vbi->lastcode = 0;
+ vbi->lastcount = 0;
+
+ if( !vbi->initialised )
+ return 0;
+
+ if( !bottom != vbi->wanttop || vbi->current_chan != vbi->chan ||
+ vbi->current_istext != vbi->wanttext ) {
+ return 0;
+ }
+
+ if( b1 == 0x11 || b1 == 0x19 ||
+ b1 == 0x12 || b1 == 0x13 ||
+ b1 == 0x1A || b1 == 0x1B ) {
+ switch( b1 ) {
+ case 0x1A:
+ case 0x12:
+ /* use extcode1 */
+ if( b1 > 31 && b2 > 31 && b1 <= 0x3F && b2 <= 0x3F )
+ if( vbi->verbose )
+ fprintf( stderr, "char %d (%c), char %d (%c)\n", b1,
+ extcode1[b1-32] , b2, extcode1[b2-32] );
+
+ break;
+ case 0x13:
+ case 0x1B:
+ /* use extcode2 */
+ if( b1 > 31 && b2 > 31 && b1 <= 0x3F && b2 <= 0x3F )
+ if( vbi->verbose )
+ fprintf( stderr, "char %d (%c), char %d (%c)\n", b1,
+ extcode2[b1-32] , b2, extcode2[b2-32] );
+
+ break;
+ case 0x11:
+ case 0x19:
+ /* use wcode */
+ if( b1 > 31 && b2 > 31 && b1 <= 0x3F && b2 <= 0x3F )
+ if( vbi->verbose )
+ fprintf( stderr, "char %d (%c), char %d (%c)\n", b1,
+ wccode[b1-32] , b2, wccode[b2-32] );
+
+ break;
+ default:
+ break;
+ }
+ } else if( b1 ) {
+ /* use ccode */
+ if( b1 < 32 ) b1 = 32;
+ if( b2 < 32 ) b2 = 32;
+ if( vbi->verbose )
+ fprintf( stderr, "vbidata: data: %c %c\n", ccode[b1-32],
+ ccode[b2-32] );
+ vbiscreen_print( vbi->vs, ccode[b1-32], ccode[b2-32] );
+ }
+
+
+ return 1;
+} /* Process16b */
+
+int ProcessLine( vbidata_t *vbi, unsigned char *s, int bottom )
+{
+ int w1;
+ /*char *outbuf = NULL;*/
+
+ if( !vbi ) return 0;
+
+ w1 = ccdecode(s);
+
+ return Process16b(vbi, bottom, w1);
+} /* ProcessLine */
+
+
+
+vbidata_t *vbidata_new_file( const char *filename, vbiscreen_t *vs,
+ /*tvtime_osd_t* osd,*/ int verbose )
+{
+ vbidata_t *vbi = (vbidata_t *) malloc( sizeof( vbidata_t ) );
+ if( !vbi ) {
+ return 0;
+ }
+
+ vbi->fd = open( filename, O_RDONLY );
+ if( vbi->fd < 0 ) {
+ fprintf( stderr, "vbidata: Can't open %s: %s\n",
+ filename, strerror( errno ) );
+ free( vbi );
+ return 0;
+ }
+
+ vbi->vs = vs;
+ /*vbi->osd = osd;*/
+ vbi->verbose = verbose;
+
+ vbidata_reset( vbi );
+
+ return vbi;
+}
+
+vbidata_t *vbidata_new_line( vbiscreen_t *vs, int verbose )
+{
+ vbidata_t *vbi = (vbidata_t *) malloc( sizeof( vbidata_t ) );
+ if( !vbi ) {
+ return 0;
+ }
+
+ vbi->vs = vs;
+ /*vbi->osd = osd;*/
+ vbi->verbose = verbose;
+
+ vbidata_reset( vbi );
+
+ return vbi;
+}
+
+void vbidata_delete( vbidata_t *vbi )
+{
+ if( !vbi ) return;
+ if( vbi->fd != 0 ) {
+ close( vbi->fd );
+ }
+ free( vbi );
+}
+
+void vbidata_reset( vbidata_t *vbi )
+{
+ if( !vbi ) return;
+
+ vbi->wanttop = 0;
+ vbi->wanttext = 0;
+ vbi->colour = 0xFFFFFFFFU;
+ vbi->row = 0;
+
+ vbi->ital = 0;
+ vbi->indent = 0;
+ vbi->ul=0;
+
+ vbi->chan=0;
+
+ vbi->initialised = 0;
+ vbi->enabled = 0;
+
+ memset(vbi->program_desc, 0, 8*sizeof(char*) );
+ vbi->program_name = NULL;
+ vbi->network_name = NULL;
+ vbi->call_letters = NULL;
+ vbi->rating = NULL;
+ vbi->program_type = NULL;
+
+ vbi->start_day = 0;
+ vbi->start_month = 0;
+ vbi->start_min = 0;
+ vbi->start_hour = 0;
+ vbi->length_hour = 0;
+ vbi->length_min = 0;
+ vbi->length_elapsed_hour = 0;
+ vbi->length_elapsed_min = 0;
+ vbi->length_elapsed_sec = 0;
+
+ /*
+ tvtime_osd_set_network_call( vbi->osd, "" );
+ tvtime_osd_set_network_name( vbi->osd, "" );
+ tvtime_osd_set_show_name( vbi->osd, "" );
+ tvtime_osd_set_show_rating( vbi->osd, "" );
+ tvtime_osd_set_show_start( vbi->osd, "" );
+ tvtime_osd_set_show_length( vbi->osd, "" );
+ */
+
+
+
+ vbi->lastcode = 0;
+ vbi->lastcount = 0;
+ vbi->xds_packet[ 0 ] = 0;
+ vbi->xds_cursor = 0;
+ vbiscreen_reset( vbi->vs );
+}
+
+void vbidata_capture_mode( vbidata_t *vbi, int mode )
+{
+ if( !vbi ) return;
+ switch( mode ) {
+ case CAPTURE_OFF:
+ vbi->enabled = 0;
+ break;
+ case CAPTURE_CC1:
+ vbi->wanttop = 1;
+ vbi->wanttext = 0;
+ vbi->chan = 0;
+ vbi->enabled = 1;
+ break;
+ case CAPTURE_CC2:
+ vbi->wanttop = 1;
+ vbi->wanttext = 0;
+ vbi->chan = 1;
+ vbi->enabled = 1;
+ break;
+ case CAPTURE_CC3:
+ vbi->wanttop = 0;
+ vbi->wanttext = 0;
+ vbi->chan = 0;
+ vbi->enabled = 1;
+ break;
+ case CAPTURE_CC4:
+ vbi->wanttop = 0;
+ vbi->wanttext = 0;
+ vbi->chan = 1;
+ vbi->enabled = 1;
+ break;
+ case CAPTURE_T1:
+ vbi->wanttop = 1;
+ vbi->wanttext = 1;
+ vbi->chan = 0;
+ vbi->enabled = 1;
+ break;
+ case CAPTURE_T2:
+ vbi->wanttop = 1;
+ vbi->wanttext = 1;
+ vbi->chan = 1;
+ vbi->enabled = 1;
+ break;
+ case CAPTURE_T3:
+ vbi->wanttop = 0;
+ vbi->wanttext = 1;
+ vbi->chan = 0;
+ vbi->enabled = 1;
+ break;
+ case CAPTURE_T4:
+ vbi->wanttop = 0;
+ vbi->wanttext = 1;
+ vbi->chan = 1;
+ vbi->enabled = 1;
+ break;
+ default:
+ vbi->enabled = 0;
+ break;
+ }
+}
+
+void vbidata_process_frame( vbidata_t *vbi, int printdebug )
+{
+ if( read( vbi->fd, vbi->buf, 65536 ) < 65536 ) {
+ fprintf( stderr, "error, can't read vbi data.\n" );
+ return;
+ }
+
+ ProcessLine( vbi, &vbi->buf[ DO_LINE*2048 ], 0 );
+ ProcessLine( vbi, &vbi->buf[ (16+DO_LINE)*2048 ], 1 );
+}
+
+void vbidata_process_line( vbidata_t *vbi, unsigned char *s, int bottom)
+{
+ ProcessLine( vbi, s, bottom );
+}
+
+void vbidata_process_16b( vbidata_t *vbi, int bottom, int w)
+{
+ Process16b( vbi, bottom, w );
+}
+
diff --git a/gst/vbidec/vbidata.h b/gst/vbidec/vbidata.h
new file mode 100644
index 00000000..e84e3b18
--- /dev/null
+++ b/gst/vbidec/vbidata.h
@@ -0,0 +1,58 @@
+/**
+ * Copyright (c) 2002 Billy Biggs <vektor@dumbterm.net>.
+ * Copyright (c) 2002 Doug Bell <drbell@users.sourceforge.net>
+ *
+ * CC code from Nathan Laredo's ccdecode.
+ * Lots of 'hey what does this mean?' code from
+ * Billy Biggs and Doug Bell, like all the crap with
+ * XDS and stuff. Some help from Zapping's vbi library by
+ * Michael H. Schimek and others, released under the GPL.
+ *
+ * Modified and adapted to GStreamer by
+ * David I. Lehn <dlehn@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef VBIDATA_H_INCLUDED
+#define VBIDATA_H_INCLUDED
+
+#include "vbiscreen.h"
+/*#include "tvtimeosd.h"*/
+
+typedef struct vbidata_s vbidata_t;
+
+#define CAPTURE_OFF 0
+#define CAPTURE_CC1 1
+#define CAPTURE_CC2 2
+#define CAPTURE_CC3 4
+#define CAPTURE_CC4 5
+#define CAPTURE_T1 6
+#define CAPTURE_T2 7
+#define CAPTURE_T3 8
+#define CAPTURE_T4 9
+
+vbidata_t *vbidata_new_file( const char *filename, vbiscreen_t *vs,
+ /*tvtime_osd_t* osd,*/ int verbose );
+vbidata_t *vbidata_new_line( vbiscreen_t *vs, int verbose );
+
+void vbidata_delete( vbidata_t *vbi );
+void vbidata_reset( vbidata_t *vbi );
+void vbidata_capture_mode( vbidata_t *vbi, int mode );
+void vbidata_process_frame( vbidata_t *vbi, int printdebug );
+void vbidata_process_line( vbidata_t *vbi, unsigned char *s, int bottom );
+void vbidata_process_16b( vbidata_t *vbi, int bottom, int w );
+
+#endif /* VBIDATA_H_INCLUDED */
diff --git a/gst/vbidec/vbiscreen.c b/gst/vbidec/vbiscreen.c
new file mode 100644
index 00000000..1143e06b
--- /dev/null
+++ b/gst/vbidec/vbiscreen.c
@@ -0,0 +1,730 @@
+/**
+ * Copyright (c) 2002 Billy Biggs <vektor@dumbterm.net>.
+ * Copyright (c) 2002 Doug Bell <drbell@users.sourceforge.net>.
+ *
+ * Modified and adapted to GStreamer by
+ * David I. Lehn <dlehn@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <ctype.h>
+#include <unistd.h>
+/*#include "osdtools.h"*/
+/*#include "speedy.h"*/
+#include "vbiscreen.h"
+#include "gstvbidec.h"
+
+#define ROLL_2 6
+#define ROLL_3 7
+#define ROLL_4 8
+#define POP_UP 9
+#define PAINT_ON 10
+
+
+#define NUM_LINES 15
+#define ROWS 15
+#define COLS 32
+#define FONT_SIZE 20
+
+typedef struct osd_string_s osd_string_t;
+struct osd_string_s {
+ int width;
+ int height;
+ int r, g, b;
+ int visible;
+ GstVBIDec *vbidec;
+};
+
+osd_string_t *osd_string_new(char *c, int s, int w, int h, int a, void *user_data) {
+ osd_string_t *os;
+ os = (osd_string_t *)malloc(sizeof(osd_string_t));
+ if (!os)
+ return NULL;
+ os->width = 0;
+ os->height = 0;
+ os->r = os->g = os->b = 0;
+ os->visible = 1;
+ os->vbidec = (GstVBIDec *)user_data;
+ return os;
+}
+void osd_string_show_text(osd_string_t *os, char *s, int len ) {
+ /* FIXME: just print data when it gets here */
+ if (len > 0) {
+ gst_vbidec_show_text(os->vbidec, s, len);
+ }
+}
+int osd_string_get_height(osd_string_t *os) {
+ return os->height;
+}
+int osd_string_get_width(osd_string_t *os) {
+ return os->width;
+}
+void osd_string_delete(osd_string_t *os) {
+ free(os);
+}
+void osd_string_set_colour_rgb(osd_string_t *os, int r, int g, int b) {
+ os->r = r;
+ os->g = g;
+ os->b = b;
+}
+void blit_colour_packed422_scanline( unsigned char *d, int w, int luma, int cb, int cr) {
+}
+int osd_string_visible(osd_string_t *os) {
+ return os->visible;
+}
+void osd_string_composite_packed422_scanline(osd_string_t *os, unsigned char *a, unsigned char *b, int w, int x, int y) {
+}
+
+struct vbiscreen_s {
+
+ osd_string_t *line[ ROWS ];
+
+ char buffers[ ROWS * COLS * 2 ];
+ char text[ 2 * ROWS * COLS ];
+ char hiddenbuf[ COLS ];
+ char paintbuf[ ROWS * COLS ];
+
+ unsigned int fgcolour;
+ unsigned int bgcolour;
+ int bg_luma, bg_cb, bg_cr;
+
+ int frame_width;
+ int frame_height;
+ int frame_aspect;
+
+ int x, y; /* where to draw console */
+ int width, height; /* the size box we have to draw in */
+ int rowheight, charwidth;
+
+ int curx, cury; /* cursor position */
+ int rows, cols; /* 32 cols 15 rows */
+ int captions, style; /* CC (1) or Text (0), RU2 RU3 RU4 POP_UP PAINT_ON */
+ int first_line; /* where to start drawing */
+ int curbuffer;
+ int top_of_screen; /* a pointer into line[] */
+ int indent;
+ int got_eoc;
+ int scroll;
+
+ char *fontfile;
+ int fontsize;
+ int verbose;
+
+ void *user_data;
+};
+
+vbiscreen_t *vbiscreen_new( int video_width, int video_height,
+ double video_aspect, int verbose, void *user_data )
+{
+ int i=0, fontsize = FONT_SIZE;
+ vbiscreen_t *vs = (vbiscreen_t *)malloc(sizeof(struct vbiscreen_s));
+
+ if( !vs ) {
+ return NULL;
+ }
+
+ vs->verbose = verbose;
+ vs->x = 0;
+ vs->y = 0;
+ vs->frame_width = video_width;
+ vs->frame_height = video_height;
+ vs->frame_aspect = video_aspect;
+ vs->curx = 0;
+ vs->cury = 0;
+ vs->fgcolour = 0xFFFFFFFFU; /* white */
+ vs->bgcolour = 0xFF000000U; /* black */
+ vs->bg_luma = 16;
+ vs->bg_cb = 128;
+ vs->bg_cr = 128;
+ vs->rows = ROWS;
+ vs->cols = COLS;
+ /*vs->fontfile = DATADIR "/FreeMonoBold.ttf";*/
+ vs->fontfile = NULL;
+ vs->fontsize = fontsize;
+ vs->width = video_width;
+ vs->height = video_height;
+ vs->first_line = 0;
+ vs->captions = 0;
+ vs->style = 0;
+ vs->curbuffer = 0;
+ vs->top_of_screen = 0;
+ vs->indent = 0;
+ memset( vs->buffers, 0, 2 * COLS * ROWS );
+ memset( vs->hiddenbuf, 0, COLS );
+ memset( vs->paintbuf, 0, ROWS * COLS );
+ vs->scroll = 0;
+
+ vs->user_data = user_data;
+
+ vs->line[0] = osd_string_new( vs->fontfile, fontsize, video_width,
+ video_height,
+ video_aspect,
+ user_data);
+
+ if( !vs->line[0] ) {
+ vs->fontfile = "./FreeMonoBold.ttf";
+
+ vs->line[0] = osd_string_new( vs->fontfile, fontsize,
+ video_width,
+ video_height,
+ video_aspect,
+ user_data);
+ }
+
+ if( !vs->line[0] ) {
+ fprintf( stderr, "vbiscreen: Could not find my font (%s)!\n",
+ vs->fontfile );
+ vbiscreen_delete( vs );
+ return NULL;
+ }
+
+ osd_string_show_text( vs->line[ 0 ], "W", 0 );
+ vs->rowheight = osd_string_get_height( vs->line[ 0 ] );
+ vs->charwidth = osd_string_get_width( vs->line[ 0 ] );
+ osd_string_delete( vs->line[ 0 ] );
+
+ for( i = 0; i < ROWS; i++ ) {
+ vs->line[ i ] = osd_string_new( vs->fontfile, fontsize,
+ video_width, video_height,
+ video_aspect,
+ user_data);
+ if( !vs->line[ i ] ) {
+ fprintf( stderr, "vbiscreen: Could not allocate a line.\n" );
+ vbiscreen_delete( vs );
+ return NULL;
+ }
+ osd_string_set_colour_rgb( vs->line[ i ],
+ (vs->fgcolour & 0xff0000) >> 16,
+ (vs->fgcolour & 0xff00) >> 8,
+ (vs->fgcolour & 0xff) );
+ osd_string_show_text( vs->line[ i ], " ", 0 );
+ }
+ memset( vs->text, 0, 2 * ROWS * COLS );
+ return vs;
+}
+
+void blank_screen( vbiscreen_t *vs )
+{
+ int i;
+
+ if( vs->verbose ) fprintf( stderr, "in blank\n");
+ for( i = 0; i < ROWS; i++ ) {
+ osd_string_show_text( vs->line[ i ], " ", 0 );
+ }
+}
+
+void clear_screen( vbiscreen_t *vs )
+{
+ int base, i;
+ if( !vs ) return;
+
+ base = vs->top_of_screen * COLS;
+ for( i = 0; i < ROWS * COLS; i++ ) {
+ vs->text[ base ] = 0;
+ base++;
+ base %= 2 * ROWS * COLS;
+ }
+ blank_screen( vs );
+}
+
+void clear_hidden_roll( vbiscreen_t *vs )
+{
+ if( !vs ) return;
+ memset( vs->hiddenbuf, 0, COLS );
+}
+
+void clear_hidden_pop( vbiscreen_t *vs )
+{
+ if( !vs ) return;
+ memset( vs->buffers + vs->curbuffer * COLS * ROWS , 0, COLS * ROWS );
+}
+
+void clear_hidden_paint( vbiscreen_t *vs )
+{
+ if( !vs ) return;
+ memset( vs->paintbuf , 0, COLS * ROWS );
+}
+
+void clear_displayed_pop( vbiscreen_t *vs )
+{
+ if( !vs ) return;
+ memset( vs->buffers + ( vs->curbuffer ^ 1 ) * COLS * ROWS , 0, COLS * ROWS );
+}
+
+void vbiscreen_dump_screen_text( vbiscreen_t *vs )
+{
+ int i, offset;
+
+ if( !vs ) return;
+ offset = vs->top_of_screen * COLS;
+
+ fprintf( stderr, "\n 0123456789abcdefghij012345678901" );
+ for( i = 0; i < ROWS * COLS; i++ ) {
+ if( !(i % COLS) )
+ fprintf( stderr, "\n%.2d ", i / COLS );
+ fprintf( stderr, "%c", vs->text[ offset ] ? vs->text[ offset ] : ' ' );
+ offset++;
+ offset %= 2 * ROWS * COLS;
+ }
+ fprintf( stderr, "\n 0123456789abcdefghij012345678901\n " );
+ for( i = 0; i < COLS; i++ ) {
+ fprintf( stderr, "%c", vs->text[ offset ] ? vs->text[ offset ] : ' ' );
+ offset++;
+ offset %= 2 * ROWS * COLS;
+ }
+ fprintf( stderr, "\n 0123456789abcdefghij012345678901\n" );
+}
+
+int update_row_x( vbiscreen_t *vs, int row )
+{
+ char text[ COLS + 1 ];
+ int i, j, haschars = 0, base;
+
+ if( !vs ) return 0;
+
+ text[ COLS ] = 0;
+ base = ( ( vs->top_of_screen + row ) % ( 2 * ROWS ) ) * COLS;
+ for( j = 0, i = base; i < base + COLS; i++, j++ ) {
+ if( vs->text[ i ] ) {
+ text[ j ] = vs->text[ i ];
+ haschars = 1;
+ } else {
+ text[ j ] = ' ';
+ }
+ }
+
+ osd_string_set_colour_rgb( vs->line[ row ],
+ ( vs->fgcolour & 0xff0000 ) >> 16,
+ ( vs->fgcolour & 0xff00 ) >> 8,
+ ( vs->fgcolour & 0xff ) );
+ if( !haschars )
+ osd_string_show_text( vs->line[ row ], " ", 0 );
+ else
+ osd_string_show_text( vs->line[ row ], text, 51 );
+
+ return haschars;
+}
+
+void update_row( vbiscreen_t *vs )
+{
+ if( !vs ) return;
+
+ update_row_x( vs, vs->cury );
+ //vbiscreen_dump_screen_text( vs );
+}
+
+void update_all_rows( vbiscreen_t *vs )
+{
+ int row = 0;
+
+ if( !vs ) return;
+
+ for( row = 0; row < ROWS; row++ ) {
+ update_row_x( vs, row );
+ }
+ //vbiscreen_dump_screen_text( vs );
+}
+
+void vbiscreen_delete( vbiscreen_t *vs )
+{
+ free( vs );
+}
+
+void copy_row_to_screen( vbiscreen_t *vs, char *row )
+{
+ int base, i, j;
+
+ base = ( ( vs->top_of_screen + vs->cury ) % ( 2 * ROWS ) ) * COLS;
+ for( j = 0, i = base;
+ i < base + COLS;
+ j++, i++ ) {
+ vs->text[ i ] = row[ j ];
+ }
+ update_row( vs );
+}
+
+void scroll_screen( vbiscreen_t *vs )
+{
+ int start_row;
+
+ if( !vs || !vs->captions || !vs->style || vs->style > ROLL_4 )
+ return;
+
+ start_row = ( vs->first_line + vs->top_of_screen ) % ( 2 * ROWS );
+ if( vs->verbose )
+ fprintf ( stderr, "start row : %d first line %d\n ", start_row,
+ vs->first_line );
+
+ /* zero out top row */
+ memset( (char *)( vs->text + start_row * COLS ), 0, COLS );
+ vs->top_of_screen = ( vs->top_of_screen + 1 ) % ( 2 * ROWS );
+ vs->curx = vs->indent;
+ update_all_rows( vs );
+ copy_row_to_screen( vs, vs->hiddenbuf );
+ clear_hidden_roll( vs );
+ vs->scroll = 26;
+}
+
+void vbiscreen_new_caption( vbiscreen_t *vs, int indent, int ital,
+ unsigned int colour, int row )
+{
+ if( !vs ) return;
+ if( vs->verbose ) fprintf( stderr, "indent: %d, ital: %d, colour: 0x%x, row: %d\n", indent, ital, colour, row );
+
+ if( 0 && vs->captions && vs->style <= ROLL_4 && vs->style ) {
+ if( row != vs->cury+1 ) {
+ vs->cury = row - 1;
+ clear_hidden_roll( vs );
+ } else {
+// scroll_screen( vs );
+ }
+ }
+
+ if( vs->style > ROLL_4 ) {
+ vs->cury = ( ( row > 0 ) ? row - 1 : 0 );
+ }
+
+ vs->fgcolour = colour;
+ vs->indent = indent;
+ vs->curx = indent;
+}
+
+void vbiscreen_set_mode( vbiscreen_t *vs, int caption, int style )
+{
+ if( !vs ) return;
+ if( vs->verbose )
+ fprintf( stderr, "in set mode\n");
+
+ if( vs->verbose ) {
+ fprintf( stderr, "Caption: %d ", caption );
+ switch( style ) {
+ case ROLL_2:
+ fprintf( stderr, "ROLL 2\n");
+ break;
+ case ROLL_3:
+ fprintf( stderr, "ROLL 3\n" );
+ break;
+ case ROLL_4:
+ fprintf( stderr, "ROLL 4\n" );
+ break;
+ case POP_UP:
+ fprintf( stderr, "POP UP\n" );
+ break;
+ case PAINT_ON:
+ fprintf( stderr, "PAINT ON\n" );
+ break;
+ default:
+ break;
+ }
+ }
+ if( !caption ) {
+ /* text mode */
+ vs->cury = 0;
+ } else {
+ /* captioning mode */
+ /* styles: ru2 ru3 ru4 pop paint
+ */
+ if( style != POP_UP && vs->style == POP_UP && !vs->got_eoc ) {
+ /* stupid that sometimes they dont send a EOC */
+ vbiscreen_end_of_caption( vs );
+ }
+
+ switch( style ) {
+ case ROLL_2:
+ case ROLL_3:
+ case ROLL_4:
+ if( vs->style == style ) {
+ return;
+ }
+ vs->first_line = ROWS - (style - 4);
+
+ if( vs->verbose )
+ fprintf( stderr, "first_line %d\n", vs->first_line );
+
+ vs->cury = ROWS - 1;
+ break;
+ case POP_UP:
+ vs->got_eoc = 0;
+ break;
+ case PAINT_ON:
+ break;
+ }
+ }
+
+ vs->captions = caption;
+ vs->style = style;
+}
+
+void vbiscreen_tab( vbiscreen_t *vs, int cols )
+{
+ if( !vs ) return;
+ if( cols < 0 || cols > 3 ) return;
+ vs->curx += cols;
+ if( vs->curx > 31 ) vs->curx = 31;
+}
+
+void vbiscreen_set_colour( vbiscreen_t *vs, unsigned int col )
+{
+ if( !vs ) return;
+ vs->fgcolour = col;
+}
+
+void vbiscreen_clear_current_cell( vbiscreen_t *vs )
+{
+ vs->text[ ( ( vs->top_of_screen + vs->cury ) % ( 2 * ROWS ) ) * COLS
+ + vs->curx + vs->indent ] = 0;
+}
+
+void vbiscreen_set_current_cell( vbiscreen_t *vs, char text )
+{
+ int base;
+ if( !vs ) return;
+ base = ( ( vs->top_of_screen + vs->cury ) % ( 2 * ROWS ) ) * COLS;
+ if( isprint( text ) )
+ vs->text[ base + vs->curx + vs->indent ] = text;
+ else
+ vs->text[ base + vs->curx + vs->indent ] = ' ';
+}
+
+void vbiscreen_delete_to_end( vbiscreen_t *vs )
+{
+ int i;
+ if( !vs ) return;
+ if( vs->verbose ) fprintf( stderr, "in del to end\n");
+ for( i = vs->curx; i < COLS; i++ ) {
+ vbiscreen_clear_current_cell( vs );
+ vs->curx++;
+ }
+ vs->curx = COLS-1; /* is this right ? */
+ if( vs->captions && vs->style && vs->style != POP_UP )
+ update_row( vs );
+}
+
+void vbiscreen_backspace( vbiscreen_t *vs )
+{
+ if( !vs ) return;
+ if( vs->verbose ) fprintf( stderr, "in backspace\n");
+ if( !vs->curx ) return;
+ vs->curx--;
+ vbiscreen_clear_current_cell( vs );
+ update_row( vs );
+}
+
+void vbiscreen_erase_displayed( vbiscreen_t *vs )
+{
+ if( !vs ) return;
+ if( vs->verbose ) fprintf( stderr, "in erase disp\n");
+
+ if( vs->captions && vs->style && vs->style <= ROLL_4 ) {
+ clear_hidden_roll( vs );
+ }
+
+ clear_displayed_pop( vs );
+ clear_screen( vs );
+}
+
+void vbiscreen_erase_non_displayed( vbiscreen_t *vs )
+{
+ if( !vs ) return;
+ if( vs->verbose ) fprintf( stderr, "in erase non disp\n");
+
+ if( vs->captions && vs->style == POP_UP ) {
+ memset( vs->buffers + vs->curbuffer * COLS * ROWS + vs->cury * COLS, 0, COLS );
+// clear_hidden_pop( vs );
+ } else if( vs->captions && vs->style && vs->style <= ROLL_4 ) {
+ clear_hidden_roll( vs );
+ }
+}
+
+void vbiscreen_carriage_return( vbiscreen_t *vs )
+{
+ if( !vs ) return;
+ if( vs->verbose ) fprintf( stderr, "in CR\n");
+ if( vs->style != POP_UP) {
+ /* not sure if this is right for text mode */
+ /* in text mode, perhaps a CR on last row clears screen and goes
+ * to (0,0) */
+ scroll_screen( vs );
+ }
+
+ /* keep cursor on bottom for rollup */
+ if( vs->captions && vs->style && vs->style <= ROLL_4 )
+ vs->cury--;
+
+ vs->cury++;
+ vs->curx = 0;
+}
+
+void copy_buf_to_screen( vbiscreen_t *vs, char *buf )
+{
+ int base, i, j;
+ if( !vs ) return;
+
+ base = vs->top_of_screen * COLS;
+ for( j = 0, i = 0; i < ROWS * COLS; i++, j++ ) {
+ vs->text[ base ] = buf[ j ];
+ base++;
+ base %= 2 * ROWS * COLS;
+ }
+ update_all_rows( vs );
+}
+
+void vbiscreen_end_of_caption( vbiscreen_t *vs )
+{
+ /*int i;*/
+ if( !vs ) return;
+ if( vs->verbose ) fprintf( stderr, "in end of caption\n");
+
+ if( vs->style == PAINT_ON ) {
+ copy_buf_to_screen( vs, vs->paintbuf );
+ clear_hidden_paint( vs );
+ } else if( vs->style == POP_UP ) {
+ copy_buf_to_screen( vs, vs->buffers + vs->curbuffer * COLS * ROWS );
+ vs->curbuffer ^= 1;
+ }
+
+ /* to be safe? */
+ vs->curx = 0;
+ vs->cury = ROWS - 1;
+ vs->got_eoc = 1;
+}
+
+void vbiscreen_print( vbiscreen_t *vs, char c1, char c2 )
+{
+ if( !vs ) return;
+ if( vs->verbose ) fprintf( stderr, "in print (%d, %d)[%c %c]\n", vs->curx, vs->cury, c1, c2);
+ if( vs->captions && vs->style == POP_UP ) {
+ /* this all gets displayed at another time */
+ if( vs->curx != COLS-1 ) {
+ *(vs->buffers + vs->curx + vs->curbuffer * ROWS * COLS + vs->cury * COLS ) = c1;
+ vs->curx++;
+ }
+
+ if( vs->curx != COLS-1 && c2 ) {
+ *(vs->buffers + vs->curx + vs->curbuffer * ROWS * COLS + vs->cury * COLS ) = c2;
+ vs->curx++;
+ } else if( c2 ) {
+ *(vs->buffers + vs->curx + vs->curbuffer * ROWS * COLS + vs->cury * COLS ) = c2;
+ }
+ }
+
+ if( vs->captions && vs->style == PAINT_ON ) {
+ if( vs->curx != COLS-1 ) {
+ vs->paintbuf[ vs->curx + vs->cury * COLS ] = c1;
+ vs->curx++;
+ }
+
+ if( vs->curx != COLS-1 && c2 ) {
+ vs->paintbuf[ vs->curx + vs->cury * COLS ] = c2;
+ vs->curx++;
+ } else if( c2 ) {
+ vs->paintbuf[ vs->curx + vs->cury * COLS ] = c2;
+ }
+ }
+
+ if( vs->captions && vs->style && vs->style <= ROLL_4 ) {
+ if( vs->curx != COLS-1 ) {
+ vs->hiddenbuf[ vs->curx ] = c1;
+ vs->curx++;
+ } else {
+ vs->hiddenbuf[ vs->curx ] = c1;
+ }
+
+ if( vs->curx != COLS-1 && c2 ) {
+ vs->hiddenbuf[ vs->curx ] = c2;
+ vs->curx++;
+ } else if( c2 ) {
+ vs->hiddenbuf[ vs->curx ] = c2;
+ }
+ }
+}
+
+void vbiscreen_reset( vbiscreen_t *vs )
+{
+ if( !vs ) return;
+ clear_screen( vs );
+ clear_hidden_pop( vs );
+ clear_displayed_pop( vs );
+ clear_hidden_roll( vs );
+ vs->captions = 0;
+ vs->style = 0;
+}
+
+void vbiscreen_composite_packed422_scanline( vbiscreen_t *vs,
+ unsigned char *output,
+ int width, int xpos,
+ int scanline )
+{
+ int x=0, y=0, row=0, index=0;
+
+ if( !vs ) return;
+ if( !output ) return;
+ if( scanline >= vs->y && scanline < vs->y + vs->height ) {
+
+ if( 0 && !vs->captions )
+ blit_colour_packed422_scanline( output + (vs->x*2), vs->width,
+ vs->bg_luma, vs->bg_cb,
+ vs->bg_cr );
+
+ index = vs->top_of_screen * COLS;
+ x = ( vs->x + vs->charwidth) & ~1;
+ for( row = 0; row < ROWS; row++ ) {
+ y = vs->y + row * vs->rowheight + vs->rowheight;
+ if( osd_string_visible( vs->line[ row ] ) ) {
+ if( scanline >= y &&
+ scanline < y + vs->rowheight ) {
+
+ int startx;
+ int strx;
+
+ startx = x - xpos;
+ strx = 0;
+
+ if( startx < 0 ) {
+ strx = -startx;
+ startx = 0;
+ }
+
+
+ if( startx < width ) {
+
+ if( vs->captions )
+ blit_colour_packed422_scanline(
+ output + (startx*2),
+ osd_string_get_width( vs->line[ row ] ),
+ vs->bg_luma,
+ vs->bg_cb,
+ vs->bg_cr );
+
+ osd_string_composite_packed422_scanline(
+ vs->line[ row ],
+ output + (startx*2),
+ output + (startx*2),
+ width - startx,
+ strx,
+ scanline - y );
+ }
+ }
+ index++;
+ }
+ }
+ }
+}
+
diff --git a/gst/vbidec/vbiscreen.h b/gst/vbidec/vbiscreen.h
new file mode 100644
index 00000000..5f376331
--- /dev/null
+++ b/gst/vbidec/vbiscreen.h
@@ -0,0 +1,49 @@
+/**
+ * Copyright (c) 2002 Billy Biggs <vektor@dumbterm.net>.
+ * Copyright (c) 2002 Doug Bell <drbell@users.sourceforge.net>.
+ *
+ * Modified and adapted to GStreamer by
+ * David I. Lehn <dlehn@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef HAVE_VBISCREEN_H
+#define HAVE_VBISCREEN_H
+
+typedef struct vbiscreen_s vbiscreen_t;
+
+vbiscreen_t *vbiscreen_new( int video_width, int video_height,
+ double video_aspect, int verbose, void *user_data );
+void vbiscreen_delete( vbiscreen_t *vs );
+void vbiscreen_set_mode( vbiscreen_t *vs, int caption, int style);
+void vbiscreen_new_caption( vbiscreen_t *vs, int indent, int ital,
+ unsigned int colour, int row );
+void vbiscreen_tab( vbiscreen_t *vs, int cols );
+void vbiscreen_delete_to_end( vbiscreen_t *vs );
+void vbiscreen_backspace( vbiscreen_t *vs );
+void vbiscreen_erase_displayed( vbiscreen_t *vs );
+void vbiscreen_erase_non_displayed( vbiscreen_t *vs );
+void vbiscreen_carriage_return( vbiscreen_t *vs );
+void vbiscreen_end_of_caption( vbiscreen_t *vs );
+void vbiscreen_print( vbiscreen_t *vs, char c1, char c2 );
+void vbiscreen_composite_packed422_scanline( vbiscreen_t *vs,
+ unsigned char *output,
+ int width, int xpos,
+ int scanline );
+void vbiscreen_dump_screen_text( vbiscreen_t *vs );
+void vbiscreen_reset( vbiscreen_t *vs );
+
+#endif
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-28 14:04:06 +0000