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1471df894a
And fix the resulting compile failures. I'm sorry about the patch necessary to gstclockoverlay.h but after talking to Tim we decided we can live with it.
107 lines
2.9 KiB
C
107 lines
2.9 KiB
C
/* GStreamer mpl2 format subtitle parser
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* Copyright (C) 2006 Kamil Pawlowski <kamilpe gmail com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "mpl2parse.h"
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#include <stdio.h>
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#include <string.h>
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/* From http://lists.mplayerhq.hu/pipermail/mplayer-users/2003-February/030222.html
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*
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* [123][456] Sample subtitle
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* [1234][5678] Line 1|Line 2
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* [12345][67890] /Italic|Normal
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* [12345][67890] /Italic|/Italic
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* [12345][67890] Normal|/Italic
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*
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* (The space between the last ']' bracket and the text appears to be optional)
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*/
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static gchar *
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mpl2_parse_line (ParserState * state, const gchar * line, guint line_num)
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{
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GString *markup;
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gint dc_start, dc_stop;
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/* parse subtitle file line */
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if (sscanf (line, "[%u][%u]", &dc_start, &dc_stop) != 2) {
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GST_WARNING ("failed to extract timestamps for line '%s'", line);
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return NULL;
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}
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GST_LOG ("line format %u %u", dc_start, dc_stop);
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state->start_time = GST_SECOND / 10 * dc_start;
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state->duration = (GST_SECOND / 10 * dc_stop) - state->start_time;
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/* skip brackets with timestamps */
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line = strchr (line, ']') + 1;
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line = strchr (line, ']') + 1;
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markup = g_string_new (NULL);
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while (1) {
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const gchar *sep;
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gchar *line_chunk_escaped;
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gboolean italics;
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/* skip leading white spaces */
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while (*line == ' ' || *line == '\t')
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++line;
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/* a '/' at the beginning indicates italics */
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if (*line == '/') {
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italics = TRUE;
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g_string_append (markup, "<i>");
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++line;
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} else {
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italics = FALSE;
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}
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if ((sep = strchr (line, '|')))
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line_chunk_escaped = g_markup_escape_text (line, sep - line);
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else
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line_chunk_escaped = g_markup_escape_text (line, -1);
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GST_LOG ("escaped line: %s", line_chunk_escaped);
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g_string_append (markup, line_chunk_escaped);
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g_free (line_chunk_escaped);
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if (italics)
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g_string_append (markup, "</i>");
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if (sep == NULL)
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break;
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/* move after the '|' and append another line */
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g_string_append (markup, "\n");
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line = sep + 1;
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}
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return g_strstrip (g_string_free (markup, FALSE));
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}
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gchar *
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parse_mpl2 (ParserState * state, const gchar * line)
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{
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gchar *ret;
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ret = mpl2_parse_line (state, line, state->state);
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++state->state;
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return ret;
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}
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