struct tag *tag_id3_import(struct id3_tag * tag)
{
struct tag *ret = tag_new();
tag_id3_import_text(ret, tag, ID3_FRAME_ARTIST, TAG_ARTIST);
tag_id3_import_text(ret, tag, ID3_FRAME_ALBUM_ARTIST,
TAG_ALBUM_ARTIST);
tag_id3_import_text(ret, tag, ID3_FRAME_ARTIST_SORT,
TAG_ARTIST_SORT);
tag_id3_import_text(ret, tag, ID3_FRAME_ALBUM_ARTIST_SORT,
TAG_ALBUM_ARTIST_SORT);
tag_id3_import_text(ret, tag, ID3_FRAME_TITLE, TAG_TITLE);
tag_id3_import_text(ret, tag, ID3_FRAME_ALBUM, TAG_ALBUM);
tag_id3_import_text(ret, tag, ID3_FRAME_TRACK, TAG_TRACK);
tag_id3_import_text(ret, tag, ID3_FRAME_YEAR, TAG_DATE);
tag_id3_import_text(ret, tag, ID3_FRAME_GENRE, TAG_GENRE);
tag_id3_import_text(ret, tag, ID3_FRAME_COMPOSER, TAG_COMPOSER);
tag_id3_import_text(ret, tag, "TPE3", TAG_PERFORMER);
tag_id3_import_text(ret, tag, "TPE4", TAG_PERFORMER);
tag_id3_import_comment(ret, tag, ID3_FRAME_COMMENT, TAG_COMMENT);
tag_id3_import_text(ret, tag, ID3_FRAME_DISC, TAG_DISC);
tag_id3_import_musicbrainz(ret, tag);
tag_id3_import_ufid(ret, tag);
if (tag_is_empty(ret)) {
tag_free(ret);
ret = NULL;
}
return ret;
}
struct tag *tag_id3_import(struct id3_tag * tag)
{
struct tag *ret = tag_new();
getID3Info(tag, ID3_FRAME_ARTIST, TAG_ITEM_ARTIST, ret);
getID3Info(tag, ID3_FRAME_ALBUM_ARTIST,
TAG_ITEM_ALBUM_ARTIST, ret);
getID3Info(tag, ID3_FRAME_ALBUM_ARTIST_SORT,
TAG_ITEM_ALBUM_ARTIST, ret);
getID3Info(tag, ID3_FRAME_TITLE, TAG_ITEM_TITLE, ret);
getID3Info(tag, ID3_FRAME_ALBUM, TAG_ITEM_ALBUM, ret);
getID3Info(tag, ID3_FRAME_TRACK, TAG_ITEM_TRACK, ret);
getID3Info(tag, ID3_FRAME_YEAR, TAG_ITEM_DATE, ret);
getID3Info(tag, ID3_FRAME_GENRE, TAG_ITEM_GENRE, ret);
getID3Info(tag, ID3_FRAME_COMPOSER, TAG_ITEM_COMPOSER, ret);
getID3Info(tag, ID3_FRAME_PERFORMER, TAG_ITEM_PERFORMER, ret);
getID3Info(tag, ID3_FRAME_COMMENT, TAG_ITEM_COMMENT, ret);
getID3Info(tag, ID3_FRAME_DISC, TAG_ITEM_DISC, ret);
tag_id3_import_musicbrainz(ret, tag);
if (tag_is_empty(ret)) {
tag_free(ret);
ret = NULL;
}
return ret;
}
struct tag *
vorbis_comments_to_tag(char **comments)
{
struct tag *tag = tag_new();
vorbis_comments_scan(comments, &add_tag_handler, tag);
if (tag_is_empty(tag)) {
tag_free(tag);
tag = NULL;
}
return tag;
}
static void
flac_decoder_loop(struct flac_data *data, FLAC__StreamDecoder *flac_dec,
FLAC__uint64 t_start, FLAC__uint64 t_end)
{
struct decoder *decoder = data->decoder;
enum decoder_command cmd;
data->first_frame = t_start;
while (true) {
if (data->tag != NULL && !tag_is_empty(data->tag)) {
cmd = decoder_tag(data->decoder, data->input_stream,
data->tag);
tag_free(data->tag);
data->tag = tag_new();
} else
cmd = decoder_get_command(decoder);
if (cmd == DECODE_COMMAND_SEEK) {
FLAC__uint64 seek_sample = t_start +
decoder_seek_where(decoder) *
data->audio_format.sample_rate;
if (seek_sample >= t_start &&
(t_end == 0 || seek_sample <= t_end) &&
FLAC__stream_decoder_seek_absolute(flac_dec, seek_sample)) {
data->next_frame = seek_sample;
data->position = 0;
decoder_command_finished(decoder);
} else
decoder_seek_error(decoder);
} else if (cmd == DECODE_COMMAND_STOP ||
FLAC__stream_decoder_get_state(flac_dec) == FLAC__STREAM_DECODER_END_OF_STREAM)
break;
if (t_end != 0 && data->next_frame >= t_end)
/* end of this sub track */
break;
if (!FLAC__stream_decoder_process_single(flac_dec)) {
cmd = decoder_get_command(decoder);
if (cmd != DECODE_COMMAND_SEEK)
break;
}
}
if (cmd != DECODE_COMMAND_STOP) {
flacPrintErroredState(FLAC__stream_decoder_get_state(flac_dec));
FLAC__stream_decoder_finish(flac_dec);
}
}
bool
song_file_update(struct song *song)
{
const char *suffix;
char *path_fs;
const struct decoder_plugin *plugin;
struct stat st;
assert(song_is_file(song));
/* check if there's a suffix and a plugin */
suffix = uri_get_suffix(song->url);
if (suffix == NULL)
return false;
plugin = decoder_plugin_from_suffix(suffix, false);
if (plugin == NULL)
return false;
path_fs = map_song_fs(song);
if (path_fs == NULL)
return false;
if (song->tag != NULL) {
tag_free(song->tag);
song->tag = NULL;
}
if (stat(path_fs, &st) < 0 || !S_ISREG(st.st_mode)) {
g_free(path_fs);
return false;
}
song->mtime = st.st_mtime;
do {
song->tag = plugin->tag_dup(path_fs);
if (song->tag != NULL)
break;
plugin = decoder_plugin_from_suffix(suffix, true);
} while (plugin != NULL);
if (song->tag != NULL && tag_is_empty(song->tag))
song->tag = tag_fallback(path_fs, song->tag);
g_free(path_fs);
return song->tag != NULL;
}
int main(int argc, char **argv)
{
const char *decoder_name, *path;
const struct decoder_plugin *plugin;
struct tag *tag;
bool empty;
if (argc != 3) {
g_printerr("Usage: read_tags DECODER FILE\n");
return 1;
}
decoder_name = argv[1];
path = argv[2];
input_stream_global_init();
decoder_plugin_init_all();
plugin = decoder_plugin_from_name(decoder_name);
if (plugin == NULL) {
g_printerr("No such decoder: %s\n", decoder_name);
return 1;
}
tag = decoder_plugin_tag_dup(plugin, path);
decoder_plugin_deinit_all();
input_stream_global_finish();
if (tag == NULL) {
g_printerr("Failed to read tags\n");
return 1;
}
print_tag(tag);
empty = tag_is_empty(tag);
tag_free(tag);
if (empty) {
tag = tag_ape_load(path);
if (tag == NULL)
tag = tag_id3_load(path);
if (tag != NULL) {
print_tag(tag);
tag_free(tag);
}
}
return 0;
}
bool
song_file_update(struct song *song)
{
const char *suffix;
char *path_fs;
const struct decoder_plugin *plugin;
struct stat st;
struct input_stream *is = NULL;
assert(song_is_file(song));
/* check if there's a suffix and a plugin */
suffix = uri_get_suffix(song->uri);
if (suffix == NULL)
return false;
plugin = decoder_plugin_from_suffix(suffix, NULL);
if (plugin == NULL)
return false;
path_fs = map_song_fs(song);
if (path_fs == NULL)
return false;
if (song->tag != NULL) {
tag_free(song->tag);
song->tag = NULL;
}
if (stat(path_fs, &st) < 0 || !S_ISREG(st.st_mode)) {
g_free(path_fs);
return false;
}
song->mtime = st.st_mtime;
do {
/* load file tag */
song->tag = decoder_plugin_tag_dup(plugin, path_fs);
if (song->tag != NULL)
break;
/* fall back to stream tag */
if (plugin->stream_tag != NULL) {
/* open the input_stream (if not already
open) */
if (is == NULL)
is = input_stream_open(path_fs, NULL);
/* now try the stream_tag() method */
if (is != NULL) {
song->tag = decoder_plugin_stream_tag(plugin,
is);
if (song->tag != NULL)
break;
input_stream_seek(is, 0, SEEK_SET, NULL);
}
}
plugin = decoder_plugin_from_suffix(suffix, plugin);
} while (plugin != NULL);
if (is != NULL)
input_stream_close(is);
if (song->tag != NULL && tag_is_empty(song->tag))
song->tag = tag_fallback(path_fs, song->tag);
g_free(path_fs);
return song->tag != NULL;
}
int main(int argc, char **argv)
{
GError *error = NULL;
const char *decoder_name, *path;
const struct decoder_plugin *plugin;
struct tag *tag;
bool empty;
#ifdef HAVE_LOCALE_H
/* initialize locale */
setlocale(LC_CTYPE,"");
#endif
if (argc != 3) {
g_printerr("Usage: read_tags DECODER FILE\n");
return 1;
}
decoder_name = argv[1];
path = argv[2];
tag_pool_init();
if (!input_stream_global_init(&error)) {
g_warning("%s", error->message);
g_error_free(error);
return 2;
}
decoder_plugin_init_all();
plugin = decoder_plugin_from_name(decoder_name);
if (plugin == NULL) {
g_printerr("No such decoder: %s\n", decoder_name);
return 1;
}
tag = decoder_plugin_tag_dup(plugin, path);
if (tag == NULL && plugin->stream_tag != NULL) {
struct input_stream *is = input_stream_open(path, &error);
if (is == NULL) {
g_printerr("Failed to open %s: %s\n",
path, error->message);
g_error_free(error);
return 1;
}
tag = decoder_plugin_stream_tag(plugin, is);
input_stream_close(is);
}
decoder_plugin_deinit_all();
input_stream_global_finish();
if (tag == NULL) {
g_printerr("Failed to read tags\n");
return 1;
}
print_tag(tag);
empty = tag_is_empty(tag);
tag_free(tag);
if (empty) {
tag = tag_ape_load(path);
if (tag == NULL)
tag = tag_id3_load(path);
if (tag != NULL) {
print_tag(tag);
tag_free(tag);
}
}
tag_pool_deinit();
return 0;
}
bool
song_file_update(struct song *song)
{
const char *suffix;
char *path_fs;
const struct decoder_plugin *plugin;
struct stat st;
struct input_stream *is = NULL;
assert(song_is_file(song));
/* check if there's a suffix and a plugin */
suffix = uri_get_suffix(song->uri);
if (suffix == NULL)
return false;
plugin = decoder_plugin_from_suffix(suffix, NULL);
if (plugin == NULL)
return false;
path_fs = map_song_fs(song);
if (path_fs == NULL)
return false;
if (song->tag != NULL) {
tag_free(song->tag);
song->tag = NULL;
}
if (stat(path_fs, &st) < 0 || !S_ISREG(st.st_mode)) {
g_free(path_fs);
return false;
}
song->mtime = st.st_mtime;
GMutex *mutex = NULL;
GCond *cond;
#if !GCC_CHECK_VERSION(4, 2)
/* work around "may be used uninitialized in this function"
false positive */
cond = NULL;
#endif
do {
/* load file tag */
song->tag = tag_new();
if (decoder_plugin_scan_file(plugin, path_fs,
&full_tag_handler, song->tag))
break;
tag_free(song->tag);
song->tag = NULL;
/* fall back to stream tag */
if (plugin->scan_stream != NULL) {
/* open the input_stream (if not already
open) */
if (is == NULL) {
mutex = g_mutex_new();
cond = g_cond_new();
is = input_stream_open(path_fs, mutex, cond,
NULL);
}
/* now try the stream_tag() method */
if (is != NULL) {
song->tag = tag_new();
if (decoder_plugin_scan_stream(plugin, is,
&full_tag_handler,
song->tag))
break;
tag_free(song->tag);
song->tag = NULL;
input_stream_lock_seek(is, 0, SEEK_SET, NULL);
}
}
plugin = decoder_plugin_from_suffix(suffix, plugin);
} while (plugin != NULL);
if (is != NULL)
input_stream_close(is);
if (mutex != NULL) {
g_cond_free(cond);
g_mutex_free(mutex);
}
if (song->tag != NULL && tag_is_empty(song->tag))
tag_scan_fallback(path_fs, &full_tag_handler, song->tag);
g_free(path_fs);
return song->tag != NULL;
}
