From 1ffc266d6f74760592a4239aa71273fdf1ddcaf4 Mon Sep 17 00:00:00 2001 From: Christophe Fergeau Date: Sun, 7 Dec 2003 14:47:09 +0000 Subject: [PATCH] Uses new tagging framework Original commit message from CVS: Uses new tagging framework --- ext/lame/gstlame.c | 163 ++++++++++++++++++++++++++++++++++------------------- ext/lame/gstlame.h | 2 +- 2 files changed, 105 insertions(+), 60 deletions(-) diff --git a/ext/lame/gstlame.c b/ext/lame/gstlame.c index 52cc17e..f4475e4 100644 --- a/ext/lame/gstlame.c +++ b/ext/lame/gstlame.c @@ -182,7 +182,6 @@ enum { ARG_ALLOW_DIFF_SHORT, ARG_NO_SHORT_BLOCKS, ARG_EMPHASIS, - ARG_METADATA, }; static void gst_lame_base_init (gpointer g_class); @@ -217,7 +216,16 @@ gst_lame_get_type (void) 0, (GInstanceInitFunc) gst_lame_init, }; + + static const GInterfaceInfo tag_setter_info = { + NULL, + NULL, + NULL + }; + gst_lame_type = g_type_register_static (GST_TYPE_ELEMENT, "GstLame", &gst_lame_info, 0); + g_type_add_interface_static (gst_lame_type, GST_TYPE_TAG_SETTER, &tag_setter_info); + } return gst_lame_type; } @@ -343,11 +351,6 @@ gst_lame_class_init (GstLameClass *klass) g_param_spec_boolean ("emphasis", "Emphasis", "Emphasis", TRUE, G_PARAM_READWRITE)); - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_METADATA, - g_param_spec_boxed ("metadata", "Metadata", "Metadata to add to the stream,", - GST_TYPE_CAPS, G_PARAM_READWRITE)); - - gobject_class->set_property = gst_lame_set_property; gobject_class->get_property = gst_lame_get_property; @@ -441,66 +444,105 @@ gst_lame_init (GstLame *lame) lame->allow_diff_short = lame_get_allow_diff_short (lame->lgf); lame->no_short_blocks = lame_get_no_short_blocks (lame->lgf); lame->emphasis = lame_get_emphasis (lame->lgf); - - lame->metadata = GST_CAPS_NEW ( - "lame_metadata", - "application/x-gst-metadata", - "comment", GST_PROPS_STRING ("Track encoded with GStreamer"), - "year", GST_PROPS_STRING (""), - "tracknumber", GST_PROPS_STRING (""), - "title", GST_PROPS_STRING (""), - "artist", GST_PROPS_STRING (""), - "album", GST_PROPS_STRING (""), - "genre", GST_PROPS_STRING ("") - ); + lame->tags = gst_tag_list_new (); id3tag_init (lame->lgf); GST_DEBUG_OBJECT (lame, "done initializing"); } -static void -gst_lame_add_metadata (GstLame *lame, GstCaps *caps) +typedef struct _GstLameTagMatch GstLameTagMatch; +typedef void (*GstLameTagFunc)(lame_global_flags* gfp, const char *value); + +struct _GstLameTagMatch { - GList *props; - GstPropsEntry *prop; + gchar *gstreamer_tag; + GstLameTagFunc tag_func; +}; + +static GstLameTagMatch tag_matches[] = + { + {GST_TAG_TITLE, id3tag_set_title}, + {GST_TAG_DATE, id3tag_set_year}, + {GST_TAG_TRACK_NUMBER, id3tag_set_track}, + {GST_TAG_COMMENT, id3tag_set_comment}, + {GST_TAG_ARTIST, id3tag_set_artist}, + {GST_TAG_ALBUM, id3tag_set_album}, + {GST_TAG_GENRE, (GstLameTagFunc)id3tag_set_genre}, + {NULL, NULL} + }; + +static void +add_one_tag (const GstTagList *list, const gchar *tag, + gpointer user_data) +{ + GstLame *lame; + gchar *value; + int i = 0; - if (caps == NULL) + lame = GST_LAME (user_data); + g_return_if_fail (lame != NULL); + + while (tag_matches[i].gstreamer_tag != NULL) { + if (strcmp (tag, tag_matches[i].gstreamer_tag) == 0) { + break; + } + i++; + } + + if (tag_matches[i].tag_func == NULL) { + g_print ("Couldn't find matching gstreamer tag for %s\n", tag); return; + } - props = gst_caps_get_props (caps)->properties; - while (props) { - prop = (GstPropsEntry*)(props->data); - props = g_list_next(props); - - if (gst_props_entry_get_props_type (prop) == GST_PROPS_STRING_TYPE) { - const gchar *name = gst_props_entry_get_name (prop); - const gchar *value; - - gst_props_entry_get_string (prop, &value); - - if (!value || strlen (value) == 0) - continue; - - if (strcmp (name, "comment") == 0) { - id3tag_set_comment (lame->lgf, value); - } else if (strcmp (name, "date") == 0) { - id3tag_set_year (lame->lgf, value); - } else if (strcmp (name, "tracknumber") == 0) { - id3tag_set_track (lame->lgf, value); - } else if (strcmp (name, "title") == 0) { - id3tag_set_title (lame->lgf, value); - } else if (strcmp (name, "artist") == 0) { - id3tag_set_artist (lame->lgf, value); - } else if (strcmp (name, "album") == 0) { - id3tag_set_album (lame->lgf, value); - } else if (strcmp (name, "genre") == 0) { - id3tag_set_genre (lame->lgf, value); - } + switch (gst_tag_get_type (tag)) { + case G_TYPE_UINT: { + guint ivalue; + if (gst_tag_list_get_uint (list, tag, &ivalue)) { + GST_DEBUG ("Error reading \"%s\" tag value\n", tag); + return; } + value = g_strdup_printf ("%u", ivalue); + break; + } + case G_TYPE_STRING: + if (gst_tag_list_get_string (list, tag, &value)) { + GST_DEBUG ("Error reading \"%s\" tag value\n", tag); + return; + }; + break; + default: + GST_DEBUG ("Couldn't write tag %s", tag); + break; + } + + tag_matches[i].tag_func (lame->lgf, value); + + if (gst_tag_get_type (tag) == G_TYPE_UINT) { + g_free (value); + } +} + +static void +gst_lame_set_metadata (GstLame *lame) +{ + const GstTagList *user_tags; + GstTagList *copy; + + g_return_if_fail (lame != NULL); + user_tags = gst_tag_setter_get_list (GST_TAG_SETTER (lame)); + if ((lame->tags == NULL) && (user_tags == NULL)) { + return; } + copy = gst_tag_list_merge (user_tags, lame->tags, + gst_tag_setter_get_merge_mode (GST_TAG_SETTER (lame))); + gst_tag_list_foreach ((GstTagList*)copy, add_one_tag, lame); + + gst_tag_list_free (copy); } + + static void gst_lame_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { @@ -602,9 +644,6 @@ gst_lame_set_property (GObject *object, guint prop_id, const GValue *value, GPar case ARG_EMPHASIS: lame->emphasis = g_value_get_boolean (value); break; - case ARG_METADATA: - lame->metadata = g_value_get_boxed (value); - break; default: break; } @@ -712,9 +751,6 @@ gst_lame_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec case ARG_EMPHASIS: g_value_set_boolean (value, lame->emphasis); break; - case ARG_METADATA: - g_value_set_static_boxed (value, lame->metadata); - break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; @@ -746,6 +782,15 @@ gst_lame_chain (GstPad *pad, GstData *_data) mp3_size = lame_encode_flush (lame->lgf, mp3_data, mp3_buffer_size); gst_event_unref (GST_EVENT (buf)); break; + case GST_EVENT_TAG: + if (lame->tags) { + gst_tag_list_merge (lame->tags, gst_event_tag_get_list (GST_EVENT (buf)), + gst_tag_setter_get_merge_mode (GST_TAG_SETTER (lame))); + } else { + g_assert_not_reached (); + } + // gst_pad_event_default (pad, GST_EVENT (buf)); + break; default: gst_pad_event_default (pad, GST_EVENT (buf)); break; @@ -875,7 +920,7 @@ gst_lame_setup (GstLame *lame) lame_set_no_short_blocks (lame->lgf, lame->no_short_blocks); lame_set_emphasis (lame->lgf, lame->emphasis); - gst_lame_add_metadata (lame, lame->metadata); + gst_lame_set_metadata (lame); /* initialize the lame encoder */ if (lame_init_params (lame->lgf) < 0) { diff --git a/ext/lame/gstlame.h b/ext/lame/gstlame.h index 4cbf341..4a0cfdc 100644 --- a/ext/lame/gstlame.h +++ b/ext/lame/gstlame.h @@ -93,7 +93,7 @@ struct _GstLame { lame_global_flags *lgf; - GstCaps *metadata; + GstTagList *tags; /* time tracker */ guint64 last_ts, last_offs, last_duration; -- 2.7.4