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-rw-r--r--src/playlist/plugins/FlacPlaylistPlugin.cxx135
-rw-r--r--src/playlist/plugins/FlacPlaylistPlugin.hxx25
2 files changed, 160 insertions, 0 deletions
diff --git a/src/playlist/plugins/FlacPlaylistPlugin.cxx b/src/playlist/plugins/FlacPlaylistPlugin.cxx
new file mode 100644
index 000000000..19b77ef32
--- /dev/null
+++ b/src/playlist/plugins/FlacPlaylistPlugin.cxx
@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2003-2015 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.
+ */
+
+/** \file
+ *
+ * Playlist plugin that reads embedded cue sheets from the "CUESHEET"
+ * tag of a music file.
+ */
+
+#include "config.h"
+#include "FlacPlaylistPlugin.hxx"
+#include "../PlaylistPlugin.hxx"
+#include "../SongEnumerator.hxx"
+#include "DetachedSong.hxx"
+#include "fs/Traits.hxx"
+#include "fs/AllocatedPath.hxx"
+#include "fs/NarrowPath.hxx"
+
+#include <FLAC/metadata.h>
+
+#include <string.h>
+
+class FlacPlaylist final : public SongEnumerator {
+ const char *const uri;
+
+ FLAC__StreamMetadata *const cuesheet;
+ const unsigned sample_rate;
+ const FLAC__uint64 total_samples;
+
+ unsigned next_track = 0;
+
+public:
+ FlacPlaylist(const char *_uri,
+ FLAC__StreamMetadata *_cuesheet,
+ const FLAC__StreamMetadata &streaminfo)
+ :uri(_uri), cuesheet(_cuesheet),
+ sample_rate(streaminfo.data.stream_info.sample_rate),
+ total_samples(streaminfo.data.stream_info.total_samples) {
+ }
+
+ virtual ~FlacPlaylist() {
+ FLAC__metadata_object_delete(cuesheet);
+ }
+
+ virtual DetachedSong *NextSong() override;
+};
+
+DetachedSong *
+FlacPlaylist::NextSong()
+{
+ const FLAC__StreamMetadata_CueSheet &c = cuesheet->data.cue_sheet;
+
+ /* find the next audio track */
+
+ while (next_track < c.num_tracks &&
+ (c.tracks[next_track].number > c.num_tracks ||
+ c.tracks[next_track].type != 0))
+ ++next_track;
+
+ if (next_track >= c.num_tracks)
+ return nullptr;
+
+ FLAC__uint64 start = c.tracks[next_track].offset;
+ ++next_track;
+ FLAC__uint64 end = next_track < c.num_tracks
+ ? c.tracks[next_track].offset
+ : total_samples;
+
+ auto *song = new DetachedSong(uri);
+ song->SetStartTime(SongTime::FromScale(start, sample_rate));
+ song->SetEndTime(SongTime::FromScale(end, sample_rate));
+ return song;
+}
+
+static SongEnumerator *
+flac_playlist_open_uri(const char *uri,
+ gcc_unused Mutex &mutex, gcc_unused Cond &cond)
+{
+ if (!PathTraitsUTF8::IsAbsolute(uri))
+ /* only local files supported */
+ return nullptr;
+
+ const auto path_fs = AllocatedPath::FromUTF8(uri);
+ if (path_fs.IsNull())
+ return nullptr;
+
+ const NarrowPath narrow_path_fs(path_fs);
+
+ FLAC__StreamMetadata *cuesheet;
+ if (!FLAC__metadata_get_cuesheet(narrow_path_fs, &cuesheet))
+ return nullptr;
+
+ FLAC__StreamMetadata streaminfo;
+ if (!FLAC__metadata_get_streaminfo(uri, &streaminfo) ||
+ streaminfo.data.stream_info.sample_rate == 0) {
+ FLAC__metadata_object_delete(cuesheet);
+ return nullptr;
+ }
+
+ return new FlacPlaylist(uri, cuesheet, streaminfo);
+}
+
+static const char *const flac_playlist_suffixes[] = {
+ "flac",
+ nullptr
+};
+
+const struct playlist_plugin flac_playlist_plugin = {
+ "flac",
+
+ nullptr,
+ nullptr,
+ flac_playlist_open_uri,
+ nullptr,
+
+ nullptr,
+ flac_playlist_suffixes,
+ nullptr,
+};
diff --git a/src/playlist/plugins/FlacPlaylistPlugin.hxx b/src/playlist/plugins/FlacPlaylistPlugin.hxx
new file mode 100644
index 000000000..632be6b12
--- /dev/null
+++ b/src/playlist/plugins/FlacPlaylistPlugin.hxx
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2003-2015 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.
+ */
+
+#ifndef MPD_FLAC_PLAYLIST_PLUGIN_HXX
+#define MPD_FLAC_PLAYLIST_PLUGIN_HXX
+
+extern const struct playlist_plugin flac_playlist_plugin;
+
+#endif