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124 lines
3.5 KiB
C
124 lines
3.5 KiB
C
/* GStreamer
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* Copyright (C) 1999 Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) 2006 Tim-Philipp Müller <tim centricular net>
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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstcdio.h"
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#include "gstcdiocddasrc.h"
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#include <cdio/logging.h>
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GST_DEBUG_CATEGORY (gst_cdio_debug);
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void
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gst_cdio_add_cdtext_field (GstObject * src, cdtext_t * cdtext,
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cdtext_field_t field, const gchar * gst_tag, GstTagList ** p_tags)
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{
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const gchar *txt;
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txt = cdtext_get_const (field, cdtext);
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if (txt == NULL || *txt == '\0') {
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GST_DEBUG_OBJECT (src, "empty CD-TEXT field %u (%s)", field, gst_tag);
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return;
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}
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/* FIXME: beautify strings (they might be all uppercase for example)? */
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/* FIXME: what encoding are these strings in? Let's hope ASCII or UTF-8 */
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if (!g_utf8_validate (txt, -1, NULL)) {
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GST_WARNING_OBJECT (src, "CD-TEXT string is not UTF-8! (%s)", gst_tag);
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return;
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}
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if (*p_tags == NULL)
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*p_tags = gst_tag_list_new ();
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gst_tag_list_add (*p_tags, GST_TAG_MERGE_REPLACE, gst_tag, txt, NULL);
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GST_DEBUG_OBJECT (src, "CD-TEXT: %s = %s", gst_tag, txt);
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}
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GstTagList *
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gst_cdio_get_cdtext (GstObject * src, CdIo * cdio, track_t track)
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{
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GstTagList *tags = NULL;
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cdtext_t *t;
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t = cdio_get_cdtext (cdio, track);
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if (t == NULL) {
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GST_DEBUG_OBJECT (src, "no CD-TEXT for track %u", track);
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return NULL;
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}
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gst_cdio_add_cdtext_field (src, t, CDTEXT_PERFORMER, GST_TAG_ARTIST, &tags);
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gst_cdio_add_cdtext_field (src, t, CDTEXT_TITLE, GST_TAG_TITLE, &tags);
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return tags;
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}
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void
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gst_cdio_add_cdtext_album_tags (GstObject * src, CdIo * cdio, GstTagList * tags)
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{
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cdtext_t *t;
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t = cdio_get_cdtext (cdio, 0);
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if (t == NULL) {
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GST_DEBUG_OBJECT (src, "no CD-TEXT for album");
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return;
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}
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/* FIXME: map CDTEXT_PERFORMER to GST_TAG_ALBUM_ARTIST once we have that */
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gst_cdio_add_cdtext_field (src, t, CDTEXT_TITLE, GST_TAG_ALBUM, &tags);
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gst_cdio_add_cdtext_field (src, t, CDTEXT_GENRE, GST_TAG_GENRE, &tags);
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GST_DEBUG ("CD-TEXT album tags: %" GST_PTR_FORMAT, tags);
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}
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static void
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gst_cdio_log_handler (cdio_log_level_t level, const char *msg)
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{
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const gchar *level_str[] = { "DEBUG", "INFO", "WARN", "ERROR", "ASSERT" };
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const gchar *s;
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s = level_str[CLAMP (level, 1, G_N_ELEMENTS (level_str)) - 1];
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GST_DEBUG ("CDIO-%s: %s", s, GST_STR_NULL (msg));
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}
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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if (!gst_element_register (plugin, "cdiocddasrc", GST_RANK_SECONDARY - 1,
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GST_TYPE_CDIO_CDDA_SRC))
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return FALSE;
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cdio_log_set_handler (gst_cdio_log_handler);
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GST_DEBUG_CATEGORY_INIT (gst_cdio_debug, "cdio", 0, "libcdio elements");
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return TRUE;
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"cdio",
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"Read audio from audio CDs",
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plugin_init, VERSION, "GPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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