diff -r 000000000000 -r 0e761a78d257 gst_plugins_base/gst/subparse/mpl2parse.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gst_plugins_base/gst/subparse/mpl2parse.c Thu Dec 17 08:53:32 2009 +0200 @@ -0,0 +1,107 @@ +/* GStreamer mpl2 format subtitle parser + * Copyright (C) 2006 Kamil Pawlowski + * + * 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 + +/* 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 *format_string; + const gchar *sep; + gchar *line_chunk_escaped; + + /* skip leading white spaces */ + while (*line == ' ' || *line == '\t') + ++line; + + /* a '/' at the beginning indicates italics */ + if (*line == '/') { + format_string = "%s"; + ++line; + } else { + format_string = "%s"; + } + + 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_printf (markup, format_string, line_chunk_escaped); + + g_free (line_chunk_escaped); + + 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)); +} +#ifdef __SYMBIAN32__ +EXPORT_C +#endif + + +gchar * +parse_mpl2 (ParserState * state, const gchar * line) +{ + gchar *ret; + + ret = mpl2_parse_line (state, line, state->state); + ++state->state; + return ret; +}