1 /* GStreamer 2 * Copyright (C) 2003 Christophe Fergeau <teuf@gnome.org> 3 * Copyright (C) 2008 Jonathan Matthew <jonathan@d14n.org> 4 * Copyright (C) 2008 Sebastian Dröge <sebastian.droege@collabora.co.uk> 5 * 6 * gstflactag.c: plug-in for reading/modifying vorbis comments in flac files 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public 19 * License along with this library; if not, write to the 20 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 21 * Boston, MA 02110-1301, USA. 22 */ 23 24 #ifndef GST_FLAC_TAG_H 25 #define GST_FLAC_TAG_H 26 27 #include <gst/gst.h> 28 #include <gst/base/gstadapter.h> 29 30 #define GST_TYPE_FLAC_TAG (gst_flac_tag_get_type()) 31 #define GST_FLAC_TAG(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FLAC_TAG, GstFlacTag)) 32 #define GST_FLAC_TAG_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FLAC_TAG, GstFlacTag)) 33 #define GST_IS_FLAC_TAG(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FLAC_TAG)) 34 #define GST_IS_FLAC_TAG_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FLAC_TAG)) 35 36 typedef struct _GstFlacTag GstFlacTag; 37 typedef struct _GstFlacTagClass GstFlacTagClass; 38 39 typedef enum 40 { 41 GST_FLAC_TAG_STATE_INIT, 42 GST_FLAC_TAG_STATE_METADATA_BLOCKS, 43 GST_FLAC_TAG_STATE_METADATA_NEXT_BLOCK, 44 GST_FLAC_TAG_STATE_WRITING_METADATA_BLOCK, 45 GST_FLAC_TAG_STATE_VC_METADATA_BLOCK, 46 GST_FLAC_TAG_STATE_ADD_VORBIS_COMMENT, 47 GST_FLAC_TAG_STATE_AUDIO_DATA 48 } 49 GstFlacTagState; 50 51 struct _GstFlacTag 52 { 53 GstElement element; 54 55 /* < private > */ 56 57 /* pads */ 58 GstPad *sinkpad; 59 GstPad *srcpad; 60 61 GstFlacTagState state; 62 63 GstAdapter *adapter; 64 GstBuffer *vorbiscomment; 65 GstTagList *tags; 66 67 guint metadata_block_size; 68 gboolean metadata_last_block; 69 }; 70 71 struct _GstFlacTagClass 72 { 73 GstElementClass parent_class; 74 }; 75 76 GType gst_flac_tag_get_type (void); 77 78 #endif /* GST_FLAC_TAG_H */ 79