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;
}
/**
* Try decoding a stream, using plugins matching the stream's URI
* suffix.
*
* @param tried_r a list of plugins which were tried
*/
static bool
decoder_run_stream_suffix(struct decoder *decoder, struct input_stream *is,
const char *uri, GSList **tried_r)
{
assert(tried_r != NULL);
const char *suffix = uri_get_suffix(uri);
const struct decoder_plugin *plugin = NULL;
if (suffix == NULL)
return false;
while ((plugin = decoder_plugin_from_suffix(suffix, plugin)) != NULL) {
if (plugin->stream_decode == NULL)
continue;
if (g_slist_find(*tried_r, plugin) != NULL)
/* don't try a plugin twice */
continue;
if (decoder_stream_decode(plugin, decoder, is))
return true;
*tried_r = g_slist_prepend(*tried_r, deconst_plugin(plugin));
}
return false;
}
bool
song_file_update_inarchive(struct song *song)
{
const char *suffix;
const struct decoder_plugin *plugin;
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, false);
if (plugin == NULL)
return false;
if (song->tag != NULL)
tag_free(song->tag);
//accept every file that has music suffix
//because we don't support tag reading through
//input streams
song->tag = tag_new();
return true;
}
static void
update_regular_file(struct directory *directory,
const char *name, const struct stat *st)
{
const char *suffix = uri_get_suffix(name);
const struct decoder_plugin* plugin;
#ifdef ENABLE_ARCHIVE
const struct archive_plugin *archive;
#endif
if (suffix == NULL)
return;
if ((plugin = decoder_plugin_from_suffix(suffix, false)) != NULL)
{
struct song* song = songvec_find(&directory->songs, name);
if (!(song != NULL && st->st_mtime == song->mtime &&
!walk_discard) &&
plugin->container_scan != NULL)
{
if (update_container_file(directory, name, st, plugin))
{
if (song != NULL)
delete_song(directory, song);
return;
}
}
if (song == NULL) {
song = song_file_load(name, directory);
if (song == NULL) {
g_debug("ignoring unrecognized file %s/%s",
directory_get_path(directory), name);
return;
}
songvec_add(&directory->songs, song);
modified = true;
g_message("added %s/%s",
directory_get_path(directory), name);
} else if (st->st_mtime != song->mtime || walk_discard) {
g_message("updating %s/%s",
directory_get_path(directory), name);
if (!song_file_update(song)) {
g_debug("deleting unrecognized file %s/%s",
directory_get_path(directory), name);
delete_song(directory, song);
}
modified = true;
}
#ifdef ENABLE_ARCHIVE
} else if ((archive = archive_plugin_from_suffix(suffix))) {
update_archive_file(directory, name, st, archive);
#endif
}
}
bool
update_song_file(struct directory *directory,
const char *name, const char *suffix,
const struct stat *st)
{
const struct decoder_plugin *plugin =
decoder_plugin_from_suffix(suffix, NULL);
if (plugin == NULL)
return false;
update_song_file2(directory, name, st, plugin);
return true;
}
/**
* Try decoding a file.
*/
static bool
decoder_run_file(struct decoder *decoder, const char *path_fs)
{
struct decoder_control *dc = decoder->dc;
const char *suffix = uri_get_suffix(path_fs);
const struct decoder_plugin *plugin = NULL;
if (suffix == NULL)
return false;
decoder_unlock(dc);
decoder_load_replay_gain(decoder, path_fs);
while ((plugin = decoder_plugin_from_suffix(suffix, plugin)) != NULL) {
if (plugin->file_decode != NULL) {
decoder_lock(dc);
if (decoder_file_decode(plugin, decoder, path_fs))
return true;
decoder_unlock(dc);
} else if (plugin->stream_decode != NULL) {
struct input_stream *input_stream;
bool success;
input_stream = decoder_input_stream_open(dc, path_fs);
if (input_stream == NULL)
continue;
decoder_lock(dc);
success = decoder_stream_decode(plugin, decoder,
input_stream);
decoder_unlock(dc);
input_stream_close(input_stream);
if (success) {
decoder_lock(dc);
return true;
}
}
}
decoder_lock(dc);
return false;
}
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;
}
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;
}
