/**
* gst_format_register:
* @nick: The nick of the new format
* @description: The description of the new format
*
* Create a new GstFormat based on the nick or return an
* already registered format with that nick.
*
* Returns: A new GstFormat or an already registered format
* with the same nick.
*
* MT safe.
*/
GstFormat
gst_format_register (const gchar * nick, const gchar * description)
{
GstFormatDefinition *format;
GstFormat query;
g_return_val_if_fail (nick != NULL, GST_FORMAT_UNDEFINED);
g_return_val_if_fail (description != NULL, GST_FORMAT_UNDEFINED);
query = gst_format_get_by_nick (nick);
if (query != GST_FORMAT_UNDEFINED)
return query;
g_mutex_lock (&mutex);
format = g_slice_new (GstFormatDefinition);
format->value = (GstFormat) _n_values;
format->nick = g_strdup (nick);
format->description = g_strdup (description);
format->quark = g_quark_from_static_string (format->nick);
g_hash_table_insert (_nick_to_format, (gpointer) format->nick, format);
g_hash_table_insert (_format_to_nick, GINT_TO_POINTER (format->value),
format);
_gst_formats = g_list_append (_gst_formats, format);
_n_values++;
g_mutex_unlock (&mutex);
return format->value;
}
// set the position of the media file
void gst_binding_set_track (gstPlay *play, gint64 track_number, float speed) {
if (!isValid (play)) return;
gst_element_seek (play->element, speed, gst_format_get_by_nick ("track"),
GST_SEEK_FLAG_FLUSH, GST_SEEK_TYPE_SET, track_number - 1,
GST_SEEK_TYPE_NONE, -1);
}
static void
rb_audiocd_plugin_reuse_stream_cb (RBPlayer *player,
const char *new_uri,
const char *stream_uri,
GstElement *element,
RBAudioCdPlugin *plugin)
{
GstFormat track_format = gst_format_get_by_nick ("track");
char *track_str;
char *new_device;
guint track;
guint cdda_len;
/* get the new track number */
cdda_len = strlen ("cdda://");
new_device = g_utf8_strrchr (new_uri, -1, '#');
track_str = g_strndup (new_uri + cdda_len, new_device - (new_uri + cdda_len));
track = atoi (track_str);
g_free (track_str);
rb_debug ("seeking to track %d on CD device %s", track, new_device+1);
gst_element_seek (element,
1.0, track_format, GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, track-1,
GST_SEEK_TYPE_NONE, -1);
}
/*
* Class method: find(nick)
* nick: the nick of an existing format.
*
* Returns: a reference to the Gst::Format object registered with the
* given nick, or nil if this query was not registered.
*/
static VALUE
rg_s_find (VALUE self, VALUE nick)
{
GstFormat format = gst_format_get_by_nick (RVAL2CSTR (nick));
return format != GST_FORMAT_UNDEFINED
? RGST_FORMAT_NEW (&format)
: Qnil;
}
P_INVOKE void
bp_dvd_go_to_previous_chapter (BansheePlayer *player)
{
gint64 index;
GstFormat format = gst_format_get_by_nick ("chapter");
gst_element_query_position (player->playbin, format, &index);
gst_element_seek (player->playbin, 1.0, format, GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, index - 1, GST_SEEK_TYPE_NONE, 0);
}
static void
gst_progress_report_report (GstProgressReport * filter, GTimeVal cur_time,
GstBuffer * buf)
{
GstFormat try_formats[] = { GST_FORMAT_TIME, GST_FORMAT_BYTES,
GST_FORMAT_PERCENT, GST_FORMAT_BUFFERS,
GST_FORMAT_DEFAULT
};
GstMessage *msg;
GstFormat format = GST_FORMAT_UNDEFINED;
gboolean done = FALSE;
glong run_time;
gint hh, mm, ss;
run_time = cur_time.tv_sec - filter->start_time.tv_sec;
hh = (run_time / 3600) % 100;
mm = (run_time / 60) % 60;
ss = (run_time % 60);
GST_OBJECT_LOCK (filter);
if (filter->format != NULL && strcmp (filter->format, "auto") != 0) {
format = gst_format_get_by_nick (filter->format);
}
if (format != GST_FORMAT_UNDEFINED) {
done = gst_progress_report_do_query (filter, format, hh, mm, ss, buf);
} else {
gint i;
for (i = 0; i < G_N_ELEMENTS (try_formats); ++i) {
done = gst_progress_report_do_query (filter, try_formats[i], hh, mm, ss,
buf);
if (done)
break;
}
}
if (!done && !filter->silent) {
g_print ("%s (%2d:%2d:%2d): Could not query position and/or duration\n",
GST_OBJECT_NAME (filter), hh, mm, ss);
}
msg = filter->pending_msg;
filter->pending_msg = NULL;
GST_OBJECT_UNLOCK (filter);
if (msg) {
gst_element_post_message (GST_ELEMENT_CAST (filter), msg);
}
}
static gboolean
rb_audiocd_get_cd_info (RBAudioCdSource *source,
gint64 *num_tracks)
{
RBAudioCdSourcePrivate *priv = AUDIOCD_SOURCE_GET_PRIVATE (source);
GstFormat fmt = gst_format_get_by_nick ("track");
GstFormat out_fmt = fmt;
if (!gst_element_query_duration (priv->cdda, &out_fmt, num_tracks) || out_fmt != fmt) {
return FALSE;
}
return TRUE;
}
SongLoader::Result SongLoader::LoadAudioCD() {
#ifdef HAVE_AUDIOCD
// Create gstreamer cdda element
GstElement* cdda = gst_element_make_from_uri (GST_URI_SRC, "cdda://", NULL);
if (cdda == NULL) {
qLog(Error) << "Error while creating CDDA GstElement";
return Error;
}
// 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) {
qLog(Error) << "Error while changing CDDA GstElement's state";
gst_element_set_state(cdda, GST_STATE_NULL);
gst_object_unref(GST_OBJECT(cdda));
return Error;
}
// 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 Error;
}
for (int track_number = 1; track_number <= num_tracks; track_number++) {
// Init song
Song song;
guint64 duration = 0;
// quint64 == ulonglong and guint64 == ulong, therefore we must cast
if (gst_tag_list_get_uint64 (GST_CDDA_BASE_SRC(cdda)->tracks[track_number-1].tags,
GST_TAG_DURATION, &duration)) {
song.set_length_nanosec((quint64)duration);
}
song.set_valid(true);
song.set_filetype(Song::Type_Cdda);
song.set_url(QUrl(QString("cdda://%1").arg(track_number)));
song.set_title(QString("Track %1").arg(track_number));
song.set_track(track_number);
songs_ << song;
}
// Generate MusicBrainz DiscId
gst_tag_register_musicbrainz_tags();
GstElement *pipe = gst_pipeline_new ("pipeline");
gst_bin_add (GST_BIN (pipe), cdda);
gst_element_set_state (pipe, GST_STATE_READY);
gst_element_set_state (pipe, GST_STATE_PAUSED);
GstMessage *msg = gst_bus_timed_pop_filtered (GST_ELEMENT_BUS (pipe),
GST_CLOCK_TIME_NONE,
GST_MESSAGE_TAG);
GstTagList *tags = NULL;
gst_message_parse_tag (msg, &tags);
char *string_mb = NULL;
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;
MusicBrainzClient *musicbrainz_client = new MusicBrainzClient(this);
connect(musicbrainz_client,
SIGNAL(Finished(const QString&, const QString&, MusicBrainzClient::ResultList)),
SLOT(AudioCDTagsLoaded(const QString&, const QString&, MusicBrainzClient::ResultList)));
musicbrainz_client->StartDiscIdRequest(musicbrainz_discid);
g_free(string_mb);
}
// Clean all the Gstreamer objects we have used: we don't need them anymore
gst_object_unref(GST_OBJECT(cdda));
gst_element_set_state (pipe, GST_STATE_NULL);
gst_object_unref(GST_OBJECT(pipe));
gst_object_unref(GST_OBJECT(msg));
gst_object_unref(GST_OBJECT(tags));
return Success;
#else // HAVE_AUDIOCD
return Error;
#endif
}
static void
gst_file_index_load (GstFileIndex * index)
{
xmlDocPtr doc;
xmlNodePtr root, part;
xmlChar *val;
g_assert (index->location);
g_return_if_fail (!index->is_loaded);
{
gchar *path = g_strdup_printf ("%s/gstindex.xml", index->location);
GError *err = NULL;
gchar *buf;
gsize len;
g_file_get_contents (path, &buf, &len, &err);
g_free (path);
if (err) {
GST_ERROR_OBJECT (index, "%s", err->message);
return;
}
doc = xmlParseMemory (buf, len);
g_free (buf);
}
//xmlDocFormatDump (stderr, doc, TRUE);
root = doc->xmlRootNode;
if (strcmp ((char *) root->name, "gstfileindex") != 0) {
GST_ERROR_OBJECT (index, "root node isn't a gstfileindex");
return;
}
val = xmlGetProp (root, (xmlChar *) "version");
if (!val || atoi ((char *) val) != 1) {
GST_ERROR_OBJECT (index, "version != 1");
return;
}
free (val);
for (part = root->children; part; part = part->next) {
if (strcmp ((char *) part->name, "writers") == 0) {
xmlNodePtr writer;
for (writer = part->children; writer; writer = writer->next) {
xmlChar *datafile = xmlGetProp (writer, (xmlChar *) "datafile");
gchar *path = g_strdup_printf ("%s/%s", index->location, datafile);
int fd;
GstFileIndexId *id_index;
xmlNodePtr wpart;
xmlChar *entries_str;
gpointer array_data;
free (datafile);
fd = open (path, O_RDONLY);
g_free (path);
if (fd < 0) {
GST_ERROR_OBJECT (index,
"Can't open '%s': %s", path, g_strerror (errno));
continue;
}
id_index = g_slice_new0 (GstFileIndexId);
id_index->id_desc = (char *) xmlGetProp (writer, (xmlChar *) "id");
for (wpart = writer->children; wpart; wpart = wpart->next) {
if (strcmp ((char *) wpart->name, "formats") == 0) {
xmlChar *count_str = xmlGetProp (wpart, (xmlChar *) "count");
gint fx = 0;
xmlNodePtr format;
id_index->nformats = atoi ((char *) count_str);
free (count_str);
id_index->format = g_new (GstFormat, id_index->nformats);
for (format = wpart->children; format; format = format->next) {
xmlChar *nick = xmlGetProp (format, (xmlChar *) "nick");
GstFormat fmt = gst_format_get_by_nick ((gchar *) nick);
if (fmt == GST_FORMAT_UNDEFINED)
GST_ERROR_OBJECT (index, "format '%s' undefined", nick);
g_assert (fx < id_index->nformats);
id_index->format[fx++] = fmt;
free (nick);
}
} else
GST_INFO_OBJECT (index, "unknown wpart '%s'", wpart->name);
}
g_assert (id_index->nformats > 0);
_fc_alloc_array (id_index);
g_assert (id_index->array->data == NULL); /* little bit risky */
entries_str = xmlGetProp (writer, (xmlChar *) "entries");
id_index->array->len = atoi ((char *) entries_str);
free (entries_str);
array_data =
mmap (NULL, ARRAY_TOTAL_SIZE (id_index), PROT_READ, MAP_SHARED, fd,
0);
close (fd);
if (array_data == MAP_FAILED) {
GST_ERROR_OBJECT (index,
"mmap %s failed: %s", path, g_strerror (errno));
continue;
}
id_index->array->data = array_data;
index->unresolved = g_slist_prepend (index->unresolved, id_index);
}
} else
GST_INFO_OBJECT (index, "unknown part '%s'", part->name);
}
xmlFreeDoc (doc);
GST_OBJECT_FLAG_UNSET (index, GST_INDEX_WRITABLE);
index->is_loaded = TRUE;
GST_LOG_OBJECT (index, "index %s loaded OK", index->location);
}
static void
build_pipeline (SjExtractor *extractor)
{
SjExtractorPrivate *priv;
GstBus *bus;
g_return_if_fail (SJ_IS_EXTRACTOR (extractor));
priv = extractor->priv;
if (priv->pipeline != NULL) {
gst_object_unref (GST_OBJECT (priv->pipeline));
}
priv->pipeline = gst_pipeline_new ("pipeline");
bus = gst_element_get_bus (priv->pipeline);
gst_bus_add_signal_watch (bus);
g_signal_connect (G_OBJECT (bus), "message::error", G_CALLBACK (error_cb), extractor);
/* Read from CD */
priv->cdsrc = gst_element_make_from_uri (GST_URI_SRC, "cdda://1", "cd_src", NULL);
if (priv->cdsrc == NULL) {
g_set_error (&priv->construct_error,
SJ_ERROR, SJ_ERROR_INTERNAL_ERROR,
_("Could not create GStreamer CD reader"));
return;
}
g_object_set (G_OBJECT (priv->cdsrc), "device", priv->device_path, NULL);
if (g_object_class_find_property (G_OBJECT_GET_CLASS (priv->cdsrc), "paranoia-mode")) {
g_object_set (G_OBJECT (priv->cdsrc), "paranoia-mode", priv->paranoia_mode, NULL);
}
/* Get the track format for seeking later */
priv->track_format = gst_format_get_by_nick ("track");
g_assert (priv->track_format != 0);
/* Encode */
priv->encodebin = build_encoder (extractor);
if (priv->encodebin == NULL) {
g_set_error (&priv->construct_error,
SJ_ERROR, SJ_ERROR_INTERNAL_ERROR,
_("Could not create GStreamer encoders for %s"),
gst_encoding_profile_get_name (priv->profile));
return;
}
/* Connect to the eos so we know when its finished */
g_signal_connect (bus, "message::eos", G_CALLBACK (eos_cb), extractor);
/* Write to disk */
priv->filesink = gst_element_factory_make (FILE_SINK, "file_sink");
if (priv->filesink == NULL) {
g_set_error (&priv->construct_error,
SJ_ERROR, SJ_ERROR_INTERNAL_ERROR,
_("Could not create GStreamer file output"));
return;
}
#if 0
g_signal_connect (G_OBJECT (priv->filesink), "allow-overwrite", G_CALLBACK (just_say_yes), extractor);
#endif
/* Add the elements to the pipeline */
gst_bin_add_many (GST_BIN (priv->pipeline), priv->cdsrc, priv->encodebin, priv->filesink, NULL);
/* Link it all together */
if (!gst_element_link_many (priv->cdsrc, priv->encodebin, priv->filesink, NULL)) {
g_set_error (&priv->construct_error,
SJ_ERROR, SJ_ERROR_INTERNAL_ERROR,
_("Could not link pipeline"));
return;
}
priv->rebuild_pipeline = FALSE;
}
void CddaDevice::Init() {
QMutexLocker locker(&mutex_init_);
song_count_ = 0; // Reset song count, in case it was already set
cdio_ = cdio_open (url_.path().toLocal8Bit().constData(), DRIVER_DEVICE);
if (cdio_ == NULL) {
return;
}
// Create gstreamer cdda element
cdda_ = gst_element_make_from_uri (GST_URI_SRC, "cdda://", NULL);
if (cdda_ == NULL) {
model_->Reset();
return;
}
GST_CDDA_BASE_SRC(cdda_)->device = g_strdup (url_.path().toLocal8Bit().constData());
// 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) {
model_->Reset();
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";
model_->Reset();
gst_object_unref(GST_OBJECT(cdda_));
return;
}
SongList songs;
for (int track_number = 1; track_number <= num_tracks; track_number++) {
// Init song
Song song;
guint64 duration = 0;
// quint64 == ulonglong and guint64 == ulong, therefore we must cast
if (gst_tag_list_get_uint64 (GST_CDDA_BASE_SRC(cdda_)->tracks[track_number-1].tags,
GST_TAG_DURATION, &duration)) {
song.set_length_nanosec((quint64)duration);
}
song.set_id(track_number);
song.set_valid(true);
song.set_filetype(Song::Type_Cdda);
song.set_url(QUrl(QString("cdda://%1/%2").arg(url_.path()).arg(track_number)));
song.set_title(QString("Track %1").arg(track_number));
song.set_track(track_number);
songs << song;
}
song_count_ = num_tracks;
connect(this, SIGNAL(SongsDiscovered(const SongList&)), model_, SLOT(SongsDiscovered(const SongList&)));
emit SongsDiscovered(songs);
// Generate MusicBrainz DiscId
gst_tag_register_musicbrainz_tags();
GstElement *pipe = gst_pipeline_new ("pipeline");
gst_bin_add (GST_BIN (pipe), cdda_);
gst_element_set_state (pipe, GST_STATE_READY);
gst_element_set_state (pipe, GST_STATE_PAUSED);
GstMessage *msg = gst_bus_timed_pop_filtered (GST_ELEMENT_BUS (pipe),
GST_CLOCK_TIME_NONE,
GST_MESSAGE_TAG);
GstTagList *tags = NULL;
gst_message_parse_tag (msg, &tags);
char *string_mb = NULL;
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;
MusicBrainzClient *musicbrainz_client = new MusicBrainzClient(this);
connect(musicbrainz_client,
SIGNAL(Finished(const QString&, const QString&, MusicBrainzClient::ResultList)),
SLOT(AudioCDTagsLoaded(const QString&, const QString&, MusicBrainzClient::ResultList)));
musicbrainz_client->StartDiscIdRequest(musicbrainz_discid);
g_free(string_mb);
}
// Clean all the Gstreamer objects we have used: we don't need them anymore
gst_element_set_state (pipe, GST_STATE_NULL);
// This will also cause cdda_ to be unref'd.
gst_object_unref(GST_OBJECT(pipe));
gst_object_unref(GST_OBJECT(msg));
gst_tag_list_free(tags);
}
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);
}
