mpd/test/dump_playlist.cxx

126 lines
3.2 KiB
C++

/*
* Copyright 2003-2019 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 "TagSave.hxx"
#include "song/DetachedSong.hxx"
#include "playlist/SongEnumerator.hxx"
#include "input/InputStream.hxx"
#include "ConfigGlue.hxx"
#include "decoder/DecoderList.hxx"
#include "input/Init.hxx"
#include "event/Thread.hxx"
#include "playlist/PlaylistRegistry.hxx"
#include "playlist/PlaylistPlugin.hxx"
#include "fs/Path.hxx"
#include "fs/io/BufferedOutputStream.hxx"
#include "fs/io/StdioOutputStream.hxx"
#include "thread/Cond.hxx"
#include "util/PrintException.hxx"
#include <unistd.h>
#include <stdlib.h>
static void
tag_save(FILE *file, const Tag &tag)
{
StdioOutputStream sos(file);
BufferedOutputStream bos(sos);
tag_save(bos, tag);
bos.Flush();
}
int main(int argc, char **argv)
try {
const char *uri;
if (argc != 3) {
fprintf(stderr, "Usage: dump_playlist CONFIG URI\n");
return EXIT_FAILURE;
}
const Path config_path = Path::FromFS(argv[1]);
uri = argv[2];
/* initialize MPD */
const auto config = AutoLoadConfigFile(config_path);
EventThread io_thread;
io_thread.Start();
const ScopeInputPluginsInit input_plugins_init(config, io_thread.GetEventLoop());
playlist_list_global_init(config);
const ScopeDecoderPluginsInit decoder_plugins_init(config);
/* open the playlist */
Mutex mutex;
InputStreamPtr is;
auto playlist = playlist_list_open_uri(uri, mutex);
if (playlist == NULL) {
/* open the stream and wait until it becomes ready */
is = InputStream::OpenReady(uri, mutex);
/* open the playlist */
playlist = playlist_list_open_stream(std::move(is), uri);
if (playlist == NULL) {
fprintf(stderr, "Failed to open playlist\n");
return 2;
}
}
/* dump the playlist */
std::unique_ptr<DetachedSong> song;
while ((song = playlist->NextSong()) != NULL) {
printf("%s\n", song->GetURI());
const unsigned start_ms = song->GetStartTime().ToMS();
const unsigned end_ms = song->GetEndTime().ToMS();
if (end_ms > 0)
printf("range: %u:%02u..%u:%02u\n",
start_ms / 60000,
(start_ms / 1000) % 60,
end_ms / 60000,
(end_ms / 1000) % 60);
else if (start_ms > 0)
printf("range: %u:%02u..\n",
start_ms / 60000,
(start_ms / 1000) % 60);
tag_save(stdout, song->GetTag());
}
/* deinitialize everything */
playlist.reset();
is.reset();
playlist_list_global_finish();
return EXIT_SUCCESS;
} catch (...) {
PrintException(std::current_exception());
return EXIT_FAILURE;
}