--- /dev/null
+/* GStreamer tmplayer format subtitle parser
+ * Copyright (C) 2006-2008 Tim-Philipp Müller <tim centricular net>
+ *
+ * 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 "tmplayerparse.h"
+
+#include <stdio.h>
+#include <string.h>
+
+/* From http://forum.doom9.org/archive/index.php/t-81059.html:
+ *
+ * TMPlayer format, which comes in five varieties:
+ *
+ * time-base 00:00:00:
+ * 00:00:50:This is the Earth at a time|when the dinosaurs roamed...
+ * 00:00:53:
+ * 00:00:54:a lush and fertile planet.
+ * 00:00:56:
+ *
+ * time-base 0:00:00:
+ * 0:00:50:This is the Earth at a time|when the dinosaurs roamed...
+ * 0:00:53:
+ * 0:00:54:a lush and fertile planet.
+ * 0:00:56:
+ *
+ * time-base 00:00:00=
+ * 00:00:50=This is the Earth at a time|when the dinosaurs roamed...
+ * 00:00:53=
+ * 00:00:54=a lush and fertile planet.
+ * 00:00:56=
+ *
+ * time-base 0:00:00=
+ * 0:00:50=This is the Earth at a time|when the dinosaurs roamed...
+ * 0:00:53=
+ * 0:00:54=a lush and fertile planet.
+ * 0:00:56=
+ *
+ * and multiline time-base 00:00:00,1=
+ * 00:00:50,1=This is the Earth at a time
+ * 00:00:50,2=when the dinosaurs roamed...
+ * 00:00:53,1=
+ * 00:00:54,1=a lush and fertile planet.
+ * 00:00:56,1=
+ *
+ * --------------------------------------------------------------------------
+ *
+ * And another variety (which is 'time-base 0:00:00:' but without empty lines):
+ *
+ * 00:00:01:This is the Earth at a time|when the dinosaurs roamed...
+ * 00:00:03:a lush and fertile planet.
+ * 00:00:06:More text here
+ * 00:00:12:Yet another line
+ *
+ */
+
+static gchar *
+tmplayer_process_buffer (ParserState * state)
+{
+ gchar *ret;
+
+ ret = g_strndup (state->buf->str, state->buf->len);
+ g_strdelimit (ret, "|", '\n');
+ g_string_truncate (state->buf, 0);
+ return ret;
+}
+
+static gchar *
+tmplayer_parse_line (ParserState * state, const gchar * line, guint line_num)
+{
+ GstClockTime ts = GST_CLOCK_TIME_NONE;
+ const gchar *text_start = NULL;
+ gchar *ret = NULL;
+ gchar divc = '\0';
+ guint h, m, s, l = 1;
+
+ if (sscanf (line, "%u:%02u:%02u,%u%c", &h, &m, &s, &l, &divc) == 5 &&
+ (divc == '=')) {
+ GST_LOG ("multiline format %u %u %u %u", h, m, s, l);
+ ts = GST_SECOND * ((((h * 60) + m) * 60) + s);
+ text_start = strchr (line, '=');
+ } else if (sscanf (line, "%u:%02u:%02u%c", &h, &m, &s, &divc) == 4 &&
+ (divc == '=' || divc == ':')) {
+ GST_LOG ("single line format %u %u %u %u %c", h, m, s, l, divc);
+ ts = GST_SECOND * ((((h * 60) + m) * 60) + s);
+ text_start = strchr (line + 6, divc);
+ } else if (line[0] == '\0' && state->buf->len > 0 &&
+ GST_CLOCK_TIME_IS_VALID (state->start_time)) {
+ /* if we get an empty line (could be the end of the file, but doesn't have
+ * to be), just push whatever is still in the buffer without a duration */
+ GST_LOG ("empty line, and there's still text in the buffer");
+ ret = tmplayer_process_buffer (state);
+ state->duration = GST_CLOCK_TIME_NONE;
+ return ret;
+ } else {
+ GST_WARNING ("failed to parse line: '%s'", line);
+ return NULL;
+ }
+
+ /* if this is a line without text, or the first line in a multiline file,
+ * process and return the data in the buffer, which is the previous line(s) */
+ if (text_start == NULL || text_start[1] == '\0' ||
+ (l == 1 && state->buf->len > 0)) {
+
+ if (GST_CLOCK_TIME_IS_VALID (state->start_time) &&
+ state->start_time < ts && line_num > 0) {
+ ret = tmplayer_process_buffer (state);
+ state->duration = ts - state->start_time;
+ /* ..and append current line's text (if there is any) for the next round.
+ * We don't have to store ts as pending_start_time, since we deduce the
+ * durations from the start times anyway, so as long as the parser just
+ * forwards state->start_time by duration after it pushes the line we
+ * are about to return it will all be good. */
+ g_string_append (state->buf, text_start + 1);
+ } else if (line_num > 0) {
+ GST_WARNING ("end of subtitle unit but no valid start time?!");
+ }
+ } else {
+ if (l > 1)
+ g_string_append_c (state->buf, '\n');
+ g_string_append (state->buf, text_start + 1);
+ state->start_time = ts;
+ }
+
+ GST_LOG ("returning: '%s'", GST_STR_NULL (ret));
+ return ret;
+}
+
+gchar *
+parse_tmplayer (ParserState * state, const gchar * line)
+{
+ gchar *ret;
+
+ /* GST_LOG ("Parsing: %s", line); */
+
+ ret = tmplayer_parse_line (state, line, state->state);
+ ++state->state;
+
+ return ret;
+}
projects / mafwsubrenderer / blobdiff