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/*
* Copyright (C) 2003-2010 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program 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.
*
* This program 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "playlist/flac_playlist_plugin.h"
#include "playlist_plugin.h"
#include "tag.h"
#include "song.h"
#include "decoder/flac_metadata.h"
#include <FLAC/metadata.h>
#include <glib.h>
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "flac"
#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
struct flac_playlist {
struct playlist_provider base;
char *uri;
FLAC__StreamMetadata *cuesheet;
FLAC__StreamMetadata streaminfo;
unsigned next_track;
};
static struct playlist_provider *
flac_playlist_open_uri(const char *uri)
{
if (!g_path_is_absolute(uri))
/* only local files supported */
return NULL;
FLAC__StreamMetadata *cuesheet;
if (!FLAC__metadata_get_cuesheet(uri, &cuesheet))
return NULL;
struct flac_playlist *playlist = g_new(struct flac_playlist, 1);
playlist_provider_init(&playlist->base, &flac_playlist_plugin);
if (!FLAC__metadata_get_streaminfo(uri, &playlist->streaminfo)) {
FLAC__metadata_object_delete(playlist->cuesheet);
g_free(playlist);
return NULL;
}
playlist->uri = g_strdup(uri);
playlist->cuesheet = cuesheet;
playlist->next_track = 0;
return &playlist->base;
}
static void
flac_playlist_close(struct playlist_provider *_playlist)
{
struct flac_playlist *playlist = (struct flac_playlist *)_playlist;
g_free(playlist->uri);
FLAC__metadata_object_delete(playlist->cuesheet);
g_free(playlist);
}
static struct song *
flac_playlist_read(struct playlist_provider *_playlist)
{
struct flac_playlist *playlist = (struct flac_playlist *)_playlist;
const FLAC__StreamMetadata_CueSheet *cs =
&playlist->cuesheet->data.cue_sheet;
/* find the next audio track */
while (playlist->next_track < cs->num_tracks &&
(cs->tracks[playlist->next_track].number > cs->num_tracks ||
cs->tracks[playlist->next_track].type != 0))
++playlist->next_track;
if (playlist->next_track >= cs->num_tracks)
return NULL;
FLAC__uint64 start = cs->tracks[playlist->next_track].offset;
++playlist->next_track;
FLAC__uint64 end = playlist->next_track < cs->num_tracks
? cs->tracks[playlist->next_track].offset
: playlist->streaminfo.data.stream_info.total_samples;
struct song *song = song_file_new(playlist->uri, NULL);
song->start_ms = start * 1000 /
playlist->streaminfo.data.stream_info.sample_rate;
song->end_ms = end * 1000 /
playlist->streaminfo.data.stream_info.sample_rate;
char track[16];
g_snprintf(track, sizeof(track), "%u", playlist->next_track);
song->tag = flac_tag_load(playlist->uri, track);
if (song->tag == NULL)
song->tag = tag_new();
song->tag->time = end > start
? ((end - start - 1 +
playlist->streaminfo.data.stream_info.sample_rate) /
playlist->streaminfo.data.stream_info.sample_rate)
: 0;
tag_clear_items_by_type(song->tag, TAG_TRACK);
tag_add_item(song->tag, TAG_TRACK, track);
return song;
}
static const char *const flac_playlist_suffixes[] = {
"flac",
NULL
};
static const char *const flac_playlist_mime_types[] = {
"application/flac",
"application/x-flac",
"audio/flac",
"audio/x-flac",
NULL
};
const struct playlist_plugin flac_playlist_plugin = {
.name = "flac",
.open_uri = flac_playlist_open_uri,
.close = flac_playlist_close,
.read = flac_playlist_read,
.suffixes = flac_playlist_suffixes,
.mime_types = flac_playlist_mime_types,
};
#else /* FLAC_API_VERSION_CURRENT <= 7 */
static bool
flac_playlist_init(G_GNUC_UNUSED const struct config_param *param)
{
/* this libFLAC version does not support embedded CUE sheets;
disable this plugin */
return false;
}
const struct playlist_plugin flac_playlist_plugin = {
.name = "flac",
.init = flac_playlist_init,
};
#endif
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