Metainfo helper functions.

CVS patchset: 5534
CVS date: 2003/10/18 19:14:34

2 files changed, 122 insertions, 0 deletions

diff --git a/src/xine-engine/meta_helper.c b/src/xine-engine/meta_helper.c
new file mode 100644
index 000000000..da9970e99
--- /dev/null
+++ b/src/xine-engine/meta_helper.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2000-2003 the xine project
+ *
+ * This file is part of xine, a free video player.
+ *
+ * xine 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.
+ *
+ * xine 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
+ *
+ * stream metainfo helper functions
+ * hide some xine engine details from demuxers and reduce code duplication
+ *
+ * $id$ 
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+#include "meta_helper.h"
+
+/* Remove trailing separator chars (\n,\r,\t, space,...)
+ * at the end of the string
+ */
+static void chomp (char *str) {
+  int i, len;
+
+  len = strlen(str);
+  i = len - 1;
+  
+  while (((unsigned char)str[i] <= 32) && (i >= 0)) {
+    str[i] = 0;
+    i--;
+  }
+}
+
+
+void xine_set_meta_info(xine_stream_t *stream, int info, char *str) {
+  if (stream->meta_info [info])
+    free(stream->meta_info [info]);
+  stream->meta_info [info] = strdup(str);
+  chomp(stream->meta_info [info]);
+}
+
+void xine_set_meta_info2(xine_stream_t *stream, int info, char *buf, int len) {
+  char *tmp;
+
+  if (stream->meta_info [info])
+    free(stream->meta_info [info]);
+
+  tmp = malloc(len + 1);
+  xine_fast_memcpy(tmp, buf, len);
+  tmp[len] = '\0';
+
+  stream->meta_info [info] = tmp;
+  chomp(stream->meta_info [info]);
+}
diff --git a/src/xine-engine/meta_helper.h b/src/xine-engine/meta_helper.h
new file mode 100644
index 000000000..e83e2aeea
--- /dev/null
+++ b/src/xine-engine/meta_helper.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2000-2003 the xine project
+ *
+ * This file is part of xine, a free video player.
+ *
+ * xine 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.
+ *
+ * xine 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
+ *
+ * stream metainfo helper functions
+ * hide some xine engine details from demuxers and reduce code duplication
+ *
+ * $id$ 
+ */
+
+#ifndef META_HELPER_H
+#define META_HELPER_H
+
+#include "xine_internal.h"
+
+/*
+ * set a stream meta info
+ *
+ * params :
+ *  *stream        the xine stream
+ *   info          meta info id (see xine.h)
+ *  *str           null-terminated string
+ *
+ */
+void xine_set_meta_info(xine_stream_t *stream, int info, char *str);
+
+/*
+ * set a stream meta info
+ *
+ * params :
+ *  *stream        the xine stream
+ *   info          meta info id (see xine.h)
+ *  *buf           char buffer (not a null-terminated string)
+ *   len           length of the metainfo
+ *
+ */
+void xine_set_meta_info2(xine_stream_t *stream, int info, char *buf, int len);
+
+#endif /* META_HELPER_H */