static void
CHECK_TOC (GstToc * toc_t)
{
GstTocEntry *entry_t, *subentry_t;
GstTagList *tags;
GList *entries, *subentries, *subsubentries;
gchar *tag_t;
/* dump TOC */
gst_toc_dump (toc_t);
/* check TOC */
tags = gst_toc_get_tags (toc_t);
fail_unless (tags != NULL);
fail_unless (gst_tag_list_get_string (tags, GST_TAG_TITLE, &tag_t));
fail_unless_equals_string (tag_t, TOC_TAG);
g_free (tag_t);
entries = gst_toc_get_entries (toc_t);
fail_unless_equals_int (g_list_length (entries), 2);
/* check edition1 */
entry_t = g_list_nth_data (entries, 0);
fail_if (entry_t == NULL);
subentries = gst_toc_entry_get_sub_entries (entry_t);
fail_unless_equals_int (g_list_length (subentries), 2);
CHECK_TOC_ENTRY (entry_t, GST_TOC_ENTRY_TYPE_EDITION, ENTRY_ED1);
/* check chapter1 */
subentry_t = g_list_nth_data (subentries, 0);
fail_if (subentry_t == NULL);
subsubentries = gst_toc_entry_get_sub_entries (subentry_t);
fail_unless_equals_int (g_list_length (subsubentries), 0);
CHECK_TOC_ENTRY (subentry_t, GST_TOC_ENTRY_TYPE_CHAPTER, ENTRY_CH1);
/* check chapter2 */
subentry_t = g_list_nth_data (subentries, 1);
fail_if (subentry_t == NULL);
subsubentries = gst_toc_entry_get_sub_entries (subentry_t);
fail_unless_equals_int (g_list_length (subsubentries), 0);
CHECK_TOC_ENTRY (subentry_t, GST_TOC_ENTRY_TYPE_CHAPTER, ENTRY_CH2);
/* check edition2 */
entry_t = g_list_nth_data (entries, 1);
fail_if (entry_t == NULL);
CHECK_TOC_ENTRY (entry_t, GST_TOC_ENTRY_TYPE_EDITION, ENTRY_ED2);
subentries = gst_toc_entry_get_sub_entries (entry_t);
fail_unless_equals_int (g_list_length (subentries), 1);
/* check chapter3 */
subentry_t = g_list_nth_data (subentries, 0);
fail_if (subentry_t == NULL);
CHECK_TOC_ENTRY (subentry_t, GST_TOC_ENTRY_TYPE_CHAPTER, ENTRY_CH3);
subsubentries = gst_toc_entry_get_sub_entries (subentry_t);
fail_unless_equals_int (g_list_length (subsubentries), 1);
/* check subchapter1 */
subentry_t = g_list_nth_data (subsubentries, 0);
fail_if (subentry_t == NULL);
CHECK_TOC_ENTRY (subentry_t, GST_TOC_ENTRY_TYPE_CHAPTER, ENTRY_SUB1);
subsubentries = gst_toc_entry_get_sub_entries (subentry_t);
fail_unless_equals_int (g_list_length (subsubentries), 0);
}
static void
print_properties (GstDiscovererInfo * info, gint tab)
{
const GstTagList *tags;
const GstToc *toc;
g_print ("%*sDuration: %" GST_TIME_FORMAT "\n", tab + 1, " ",
GST_TIME_ARGS (gst_discoverer_info_get_duration (info)));
g_print ("%*sSeekable: %s\n", tab + 1, " ",
(gst_discoverer_info_get_seekable (info) ? "yes" : "no"));
if ((tags = gst_discoverer_info_get_tags (info))) {
g_print ("%*sTags: \n", tab + 1, " ");
gst_tag_list_foreach (tags, print_tag_foreach, GUINT_TO_POINTER (tab + 2));
}
if (show_toc && (toc = gst_discoverer_info_get_toc (info))) {
GList *entries;
g_print ("%*sTOC: \n", tab + 1, " ");
entries = gst_toc_get_entries (toc);
g_list_foreach (entries, print_toc_entry, GUINT_TO_POINTER (tab + 5));
}
}
static GstFlowReturn
gst_wavenc_write_toc (GstWavEnc * wavenc)
{
GList *list;
GstToc *toc;
GstTocEntry *entry, *subentry;
GstBuffer *buf;
GstMapInfo map;
guint8 *data;
guint32 ncues, size, cues_size, labls_size, notes_size;
if (!wavenc->toc) {
GST_DEBUG_OBJECT (wavenc, "have no toc, checking toc_setter");
wavenc->toc = gst_toc_setter_get_toc (GST_TOC_SETTER (wavenc));
}
if (!wavenc->toc) {
GST_WARNING_OBJECT (wavenc, "have no toc");
return GST_FLOW_OK;
}
toc = gst_toc_ref (wavenc->toc);
size = 0;
cues_size = 0;
labls_size = 0;
notes_size = 0;
/* check if the TOC entries is valid */
list = gst_toc_get_entries (toc);
entry = list->data;
if (gst_toc_entry_is_alternative (entry)) {
list = gst_toc_entry_get_sub_entries (entry);
while (list) {
subentry = list->data;
if (!gst_toc_entry_is_sequence (subentry))
return FALSE;
list = g_list_next (list);
}
list = gst_toc_entry_get_sub_entries (entry);
}
if (gst_toc_entry_is_sequence (entry)) {
while (list) {
entry = list->data;
if (!gst_toc_entry_is_sequence (entry))
return FALSE;
list = g_list_next (list);
}
list = gst_toc_get_entries (toc);
}
ncues = g_list_length (list);
GST_DEBUG_OBJECT (wavenc, "number of cue entries: %d", ncues);
while (list) {
guint32 id = 0;
gint64 id64;
const gchar *uid;
entry = list->data;
uid = gst_toc_entry_get_uid (entry);
id64 = g_ascii_strtoll (uid, NULL, 0);
/* check if id unique compatible with guint32 else generate random */
if (id64 >= 0 && gst_wavenc_is_cue_id_unique (id64, wavenc->cues)) {
id = (guint32) id64;
} else {
do {
id = g_random_int ();
} while (!gst_wavenc_is_cue_id_unique (id, wavenc->cues));
}
gst_wavenc_parse_cue (wavenc, id, entry);
gst_wavenc_parse_labl (wavenc, id, entry);
gst_wavenc_parse_note (wavenc, id, entry);
list = g_list_next (list);
}
/* count cues size */
if (wavenc->cues) {
cues_size = 24 * g_list_length (wavenc->cues);
size += 12 + cues_size;
} else {
GST_WARNING_OBJECT (wavenc, "cue's not found");
return FALSE;
}
/* count labls size */
if (wavenc->labls) {
list = wavenc->labls;
while (list) {
GstWavEncLabl *labl;
labl = list->data;
labls_size += 8 + GST_ROUND_UP_2 (labl->chunk_data_size);
list = g_list_next (list);
}
size += labls_size;
}
/* count notes size */
if (wavenc->notes) {
list = wavenc->notes;
while (list) {
GstWavEncNote *note;
note = list->data;
notes_size += 8 + GST_ROUND_UP_2 (note->chunk_data_size);
list = g_list_next (list);
}
size += notes_size;
}
if (wavenc->labls || wavenc->notes) {
size += 12;
}
buf = gst_buffer_new_and_alloc (size);
gst_buffer_map (buf, &map, GST_MAP_WRITE);
data = map.data;
memset (data, 0, size);
/* write Cue Chunk */
if (wavenc->cues) {
memcpy (data, (gchar *) "cue ", 4);
GST_WRITE_UINT32_LE (data + 4, 4 + cues_size);
GST_WRITE_UINT32_LE (data + 8, ncues);
data += 12;
gst_wavenc_write_cues (&data, wavenc->cues);
/* write Associated Data List Chunk */
if (wavenc->labls || wavenc->notes) {
memcpy (data, (gchar *) "LIST", 4);
GST_WRITE_UINT32_LE (data + 4, 4 + labls_size + notes_size);
memcpy (data + 8, (gchar *) "adtl", 4);
data += 12;
if (wavenc->labls)
gst_wavenc_write_labls (&data, wavenc->labls);
if (wavenc->notes)
gst_wavenc_write_notes (&data, wavenc->notes);
}
}
/* free resources */
if (toc)
gst_toc_unref (toc);
if (wavenc->cues)
g_list_free_full (wavenc->cues, g_free);
if (wavenc->labls)
g_list_free_full (wavenc->labls, g_free);
if (wavenc->notes)
g_list_free_full (wavenc->notes, g_free);
gst_buffer_unmap (buf, &map);
wavenc->meta_length += gst_buffer_get_size (buf);
return gst_pad_push (wavenc->srcpad, buf);
}
void CddaSongLoader::LoadSongsFromCdda() {
QMutexLocker locker(&mutex_load_);
cdio_ = cdio_open(url_.path().toLocal8Bit().constData(), DRIVER_DEVICE);
if (cdio_ == nullptr) {
return;
}
// Create gstreamer cdda element
GError* error = nullptr;
cdda_ = gst_element_make_from_uri(GST_URI_SRC, "cdda://", nullptr, &error);
if (error) {
qLog(Error) << error->code << QString::fromLocal8Bit(error->message);
}
if (cdda_ == nullptr) {
return;
}
if (!url_.isEmpty()) {
g_object_set(cdda_, "device", g_strdup(url_.path().toLocal8Bit().constData()),
nullptr);
}
if (g_object_class_find_property (G_OBJECT_GET_CLASS (cdda_), "paranoia-mode")) {
g_object_set (cdda_, "paranoia-mode", 0, NULL);
}
// Change the element's state to ready and paused, to be able to query it
if (gst_element_set_state(cdda_, GST_STATE_READY) ==
GST_STATE_CHANGE_FAILURE ||
gst_element_set_state(cdda_, GST_STATE_PAUSED) ==
GST_STATE_CHANGE_FAILURE) {
gst_element_set_state(cdda_, GST_STATE_NULL);
gst_object_unref(GST_OBJECT(cdda_));
return;
}
// Get number of tracks
GstFormat fmt = gst_format_get_by_nick("track");
GstFormat out_fmt = fmt;
gint64 num_tracks = 0;
if (!gst_element_query_duration(cdda_, out_fmt, &num_tracks) ||
out_fmt != fmt) {
qLog(Error) << "Error while querying cdda GstElement";
gst_object_unref(GST_OBJECT(cdda_));
return;
}
SongList songs;
for (int track_number = 1; track_number <= num_tracks; track_number++) {
// Init song
Song song;
song.set_id(track_number);
song.set_valid(true);
song.set_filetype(Song::Type_Cdda);
song.set_url(
GetUrlFromTrack(track_number));
song.set_title(QString("Track %1").arg(track_number));
song.set_track(track_number);
songs << song;
}
emit SongsLoaded(songs);
gst_tag_register_musicbrainz_tags();
GstElement* pipeline = gst_pipeline_new("pipeline");
GstElement* sink = gst_element_factory_make ("fakesink", NULL);
gst_bin_add_many (GST_BIN (pipeline), cdda_, sink, NULL);
gst_element_link (cdda_, sink);
gst_element_set_state(pipeline, GST_STATE_READY);
gst_element_set_state(pipeline, GST_STATE_PAUSED);
// Get TOC and TAG messages
GstMessage* msg = nullptr;
GstMessage* msg_toc = nullptr;
GstMessage* msg_tag = nullptr;
while ((msg = gst_bus_timed_pop_filtered(
GST_ELEMENT_BUS(pipeline), 2 * GST_SECOND,
(GstMessageType)(GST_MESSAGE_TOC | GST_MESSAGE_TAG)))) {
if (GST_MESSAGE_TYPE(msg) == GST_MESSAGE_TOC) {
if (msg_toc) gst_message_unref(msg_toc); // Shouldn't happen, but just in case
msg_toc = msg;
} else if (GST_MESSAGE_TYPE(msg) == GST_MESSAGE_TAG) {
if (msg_tag) gst_message_unref(msg_tag);
msg_tag = msg;
}
}
// Handle TOC message: get tracks duration
if (msg_toc) {
GstToc* toc;
gst_message_parse_toc (msg_toc, &toc, nullptr);
if (toc) {
GList* entries = gst_toc_get_entries(toc);
if (entries && songs.size() <= g_list_length (entries)) {
int i = 0;
for (GList* node = entries; node != nullptr; node = node->next) {
GstTocEntry *entry = static_cast<GstTocEntry*>(node->data);
quint64 duration = 0;
gint64 start, stop;
if (gst_toc_entry_get_start_stop_times (entry, &start, &stop))
duration = stop - start;
songs[i++].set_length_nanosec(duration);
}
}
}
gst_message_unref(msg_toc);
}
emit SongsDurationLoaded(songs);
// Handle TAG message: generate MusicBrainz DiscId
if (msg_tag) {
GstTagList* tags = nullptr;
gst_message_parse_tag(msg_tag, &tags);
char* string_mb = nullptr;
if (gst_tag_list_get_string(tags, GST_TAG_CDDA_MUSICBRAINZ_DISCID,
&string_mb)) {
QString musicbrainz_discid(string_mb);
qLog(Info) << "MusicBrainz discid: " << musicbrainz_discid;
emit MusicBrainzDiscIdLoaded(musicbrainz_discid);
g_free(string_mb);
gst_message_unref(msg_tag);
gst_tag_list_free(tags);
}
}
gst_element_set_state(pipeline, GST_STATE_NULL);
// This will also cause cdda_ to be unref'd.
gst_object_unref(pipeline);
}