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Uses new tagging framework
Original commit message from CVS: Uses new tagging framework
This commit is contained in:
Christophe Fergeau
parent
0c128b00fd
commit
004b2bb86e
2 changed files with 104 additions and 59 deletions
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@ -182,7 +182,6 @@ enum {
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ARG_ALLOW_DIFF_SHORT,
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ARG_NO_SHORT_BLOCKS,
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ARG_EMPHASIS,
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ARG_METADATA,
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};
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static void gst_lame_base_init (gpointer g_class);
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@ -217,7 +216,16 @@ gst_lame_get_type (void)
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0,
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(GInstanceInitFunc) gst_lame_init,
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};
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static const GInterfaceInfo tag_setter_info = {
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NULL,
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NULL,
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NULL
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};
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gst_lame_type = g_type_register_static (GST_TYPE_ELEMENT, "GstLame", &gst_lame_info, 0);
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g_type_add_interface_static (gst_lame_type, GST_TYPE_TAG_SETTER, &tag_setter_info);
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}
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return gst_lame_type;
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}
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@ -343,11 +351,6 @@ gst_lame_class_init (GstLameClass *klass)
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g_param_spec_boolean ("emphasis", "Emphasis", "Emphasis",
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TRUE, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_METADATA,
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g_param_spec_boxed ("metadata", "Metadata", "Metadata to add to the stream,",
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GST_TYPE_CAPS, G_PARAM_READWRITE));
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gobject_class->set_property = gst_lame_set_property;
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gobject_class->get_property = gst_lame_get_property;
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@ -441,66 +444,105 @@ gst_lame_init (GstLame *lame)
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lame->allow_diff_short = lame_get_allow_diff_short (lame->lgf);
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lame->no_short_blocks = lame_get_no_short_blocks (lame->lgf);
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lame->emphasis = lame_get_emphasis (lame->lgf);
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lame->metadata = GST_CAPS_NEW (
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"lame_metadata",
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"application/x-gst-metadata",
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"comment", GST_PROPS_STRING ("Track encoded with GStreamer"),
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"year", GST_PROPS_STRING (""),
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"tracknumber", GST_PROPS_STRING (""),
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"title", GST_PROPS_STRING (""),
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"artist", GST_PROPS_STRING (""),
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"album", GST_PROPS_STRING (""),
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"genre", GST_PROPS_STRING ("")
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);
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lame->tags = gst_tag_list_new ();
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id3tag_init (lame->lgf);
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GST_DEBUG_OBJECT (lame, "done initializing");
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}
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static void
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gst_lame_add_metadata (GstLame *lame, GstCaps *caps)
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typedef struct _GstLameTagMatch GstLameTagMatch;
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typedef void (*GstLameTagFunc)(lame_global_flags* gfp, const char *value);
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struct _GstLameTagMatch
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{
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GList *props;
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GstPropsEntry *prop;
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gchar *gstreamer_tag;
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GstLameTagFunc tag_func;
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};
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if (caps == NULL)
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return;
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static GstLameTagMatch tag_matches[] =
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{
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{GST_TAG_TITLE, id3tag_set_title},
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{GST_TAG_DATE, id3tag_set_year},
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{GST_TAG_TRACK_NUMBER, id3tag_set_track},
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{GST_TAG_COMMENT, id3tag_set_comment},
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{GST_TAG_ARTIST, id3tag_set_artist},
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{GST_TAG_ALBUM, id3tag_set_album},
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{GST_TAG_GENRE, (GstLameTagFunc)id3tag_set_genre},
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{NULL, NULL}
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};
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props = gst_caps_get_props (caps)->properties;
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while (props) {
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prop = (GstPropsEntry*)(props->data);
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props = g_list_next(props);
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static void
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add_one_tag (const GstTagList *list, const gchar *tag,
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gpointer user_data)
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{
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GstLame *lame;
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gchar *value;
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int i = 0;
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if (gst_props_entry_get_props_type (prop) == GST_PROPS_STRING_TYPE) {
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const gchar *name = gst_props_entry_get_name (prop);
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const gchar *value;
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lame = GST_LAME (user_data);
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g_return_if_fail (lame != NULL);
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gst_props_entry_get_string (prop, &value);
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if (!value || strlen (value) == 0)
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continue;
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if (strcmp (name, "comment") == 0) {
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id3tag_set_comment (lame->lgf, value);
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} else if (strcmp (name, "date") == 0) {
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id3tag_set_year (lame->lgf, value);
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} else if (strcmp (name, "tracknumber") == 0) {
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id3tag_set_track (lame->lgf, value);
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} else if (strcmp (name, "title") == 0) {
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id3tag_set_title (lame->lgf, value);
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} else if (strcmp (name, "artist") == 0) {
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id3tag_set_artist (lame->lgf, value);
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} else if (strcmp (name, "album") == 0) {
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id3tag_set_album (lame->lgf, value);
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} else if (strcmp (name, "genre") == 0) {
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id3tag_set_genre (lame->lgf, value);
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}
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while (tag_matches[i].gstreamer_tag != NULL) {
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if (strcmp (tag, tag_matches[i].gstreamer_tag) == 0) {
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break;
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}
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i++;
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}
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if (tag_matches[i].tag_func == NULL) {
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g_print ("Couldn't find matching gstreamer tag for %s\n", tag);
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return;
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}
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switch (gst_tag_get_type (tag)) {
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case G_TYPE_UINT: {
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guint ivalue;
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if (gst_tag_list_get_uint (list, tag, &ivalue)) {
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GST_DEBUG ("Error reading \"%s\" tag value\n", tag);
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return;
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}
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value = g_strdup_printf ("%u", ivalue);
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break;
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}
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case G_TYPE_STRING:
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if (gst_tag_list_get_string (list, tag, &value)) {
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GST_DEBUG ("Error reading \"%s\" tag value\n", tag);
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return;
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};
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break;
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default:
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GST_DEBUG ("Couldn't write tag %s", tag);
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break;
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}
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tag_matches[i].tag_func (lame->lgf, value);
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if (gst_tag_get_type (tag) == G_TYPE_UINT) {
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g_free (value);
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}
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}
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static void
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gst_lame_set_metadata (GstLame *lame)
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{
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const GstTagList *user_tags;
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GstTagList *copy;
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g_return_if_fail (lame != NULL);
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user_tags = gst_tag_setter_get_list (GST_TAG_SETTER (lame));
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if ((lame->tags == NULL) && (user_tags == NULL)) {
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return;
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}
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copy = gst_tag_list_merge (user_tags, lame->tags,
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gst_tag_setter_get_merge_mode (GST_TAG_SETTER (lame)));
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gst_tag_list_foreach ((GstTagList*)copy, add_one_tag, lame);
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gst_tag_list_free (copy);
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}
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static void
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gst_lame_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
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{
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@ -602,9 +644,6 @@ gst_lame_set_property (GObject *object, guint prop_id, const GValue *value, GPar
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case ARG_EMPHASIS:
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lame->emphasis = g_value_get_boolean (value);
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break;
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case ARG_METADATA:
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lame->metadata = g_value_get_boxed (value);
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break;
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default:
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break;
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}
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@ -712,9 +751,6 @@ gst_lame_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec
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case ARG_EMPHASIS:
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g_value_set_boolean (value, lame->emphasis);
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break;
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case ARG_METADATA:
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g_value_set_static_boxed (value, lame->metadata);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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@ -746,6 +782,15 @@ gst_lame_chain (GstPad *pad, GstData *_data)
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mp3_size = lame_encode_flush (lame->lgf, mp3_data, mp3_buffer_size);
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gst_event_unref (GST_EVENT (buf));
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break;
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case GST_EVENT_TAG:
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if (lame->tags) {
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gst_tag_list_merge (lame->tags, gst_event_tag_get_list (GST_EVENT (buf)),
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gst_tag_setter_get_merge_mode (GST_TAG_SETTER (lame)));
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} else {
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g_assert_not_reached ();
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}
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// gst_pad_event_default (pad, GST_EVENT (buf));
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break;
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default:
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gst_pad_event_default (pad, GST_EVENT (buf));
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break;
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@ -875,7 +920,7 @@ gst_lame_setup (GstLame *lame)
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lame_set_no_short_blocks (lame->lgf, lame->no_short_blocks);
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lame_set_emphasis (lame->lgf, lame->emphasis);
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gst_lame_add_metadata (lame, lame->metadata);
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gst_lame_set_metadata (lame);
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/* initialize the lame encoder */
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if (lame_init_params (lame->lgf) < 0) {
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@ -93,7 +93,7 @@ struct _GstLame {
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lame_global_flags *lgf;
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GstCaps *metadata;
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GstTagList *tags;
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/* time tracker */
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guint64 last_ts, last_offs, last_duration;
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