Added gst-plugins-base-subtitles0.10-0.10.34 for Meego Harmattan 1.2

[mafwsubrenderer] / gst-plugins-base-subtitles0.10 / gst / subparse / mpl2parse.c

diff --git a/gst-plugins-base-subtitles0.10/gst/subparse/mpl2parse.c b/gst-plugins-base-subtitles0.10/gst/subparse/mpl2parse.c
new file mode 100644 (file)
index 0000000..b043064
--- /dev/null
+++ b/gst-plugins-base-subtitles0.10/gst/subparse/mpl2parse.c
@@ -0,0 +1,107 @@
+/* GStreamer mpl2 format subtitle parser
+ * Copyright (C) 2006 Kamil Pawlowski <kamilpe gmail com>
+ *
+ * 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 "mpl2parse.h"
+
+#include <stdio.h>
+#include <string.h>
+
+/* From http://lists.mplayerhq.hu/pipermail/mplayer-users/2003-February/030222.html
+ *
+ * [123][456] Sample subtitle
+ * [1234][5678] Line 1|Line 2
+ * [12345][67890] /Italic|Normal
+ * [12345][67890] /Italic|/Italic
+ * [12345][67890] Normal|/Italic 
+ *
+ * (The space between the last ']' bracket and the text appears to be optional)
+ */
+
+static gchar *
+mpl2_parse_line (ParserState * state, const gchar * line, guint line_num)
+{
+  GString *markup;
+  gint dc_start, dc_stop;
+
+  /* parse subtitle file line */
+  if (sscanf (line, "[%u][%u]", &dc_start, &dc_stop) != 2) {
+    GST_WARNING ("failed to extract timestamps for line '%s'", line);
+    return NULL;
+  }
+
+  GST_LOG ("line format %u %u", dc_start, dc_stop);
+  state->start_time = GST_SECOND / 10 * dc_start;
+  state->duration = (GST_SECOND / 10 * dc_stop) - state->start_time;
+
+  /* skip brackets with timestamps */
+  line = strchr (line, ']') + 1;
+  line = strchr (line, ']') + 1;
+
+  markup = g_string_new (NULL);
+
+  while (1) {
+    const gchar *sep;
+    gchar *line_chunk_escaped;
+    gboolean italics;
+
+    /* skip leading white spaces */
+    while (*line == ' ' || *line == '\t')
+      ++line;
+
+    /* a '/' at the beginning indicates italics */
+    if (*line == '/') {
+      italics = TRUE;
+      g_string_append (markup, "<i>");
+      ++line;
+    } else {
+      italics = FALSE;
+    }
+
+    if ((sep = strchr (line, '|')))
+      line_chunk_escaped = g_markup_escape_text (line, sep - line);
+    else
+      line_chunk_escaped = g_markup_escape_text (line, -1);
+
+    GST_LOG ("escaped line: %s", line_chunk_escaped);
+    g_string_append (markup, line_chunk_escaped);
+
+    g_free (line_chunk_escaped);
+
+    if (italics)
+      g_string_append (markup, "</i>");
+    if (sep == NULL)
+      break;
+
+    /* move after the '|' and append another line */
+    g_string_append (markup, "\n");
+    line = sep + 1;
+  }
+
+  return g_strstrip (g_string_free (markup, FALSE));
+}
+
+gchar *
+parse_mpl2 (ParserState * state, const gchar * line)
+{
+  gchar *ret;
+
+  ret = mpl2_parse_line (state, line, state->state);
+  ++state->state;
+  return ret;
+}