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pedantic cleanups

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Original commit message from CVS:
pedantic cleanups
This commit is contained in:
Thomas Vander Stichele 2006-04-28 15:33:09 +00:00
parent c19601eab9
commit d707693fb0
2 changed files with 104 additions and 100 deletions
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184
ext/taglib/gsttaglib.cc
View file

@ -37,7 +37,12 @@
* Here is a simple pipeline that transcodes a file from Ogg/Vorbis to mp3 * Here is a simple pipeline that transcodes a file from Ogg/Vorbis to mp3
* format with an ID3v2 that contains the same as the the Ogg/Vorbis file: * format with an ID3v2 that contains the same as the the Ogg/Vorbis file:
* <programlisting> * <programlisting>
* gst-launch -v filesrc location=foo.ogg ! decodebin ! audioconvert ! lame ! tagid3v2mux ! filesink location=foo.mp3 * gst-launch -v filesrc location=foo.ogg ! decodebin ! audioconvert ! lame ! id3v2mux ! filesink location=foo.mp3
* </programlisting>
* Make sure the Ogg/Vorbis file actually has comments to preserve.
* You can verify the tags were written using:
* <programlisting>
* gst-launch -m filesrc location=foo.mp3 ! id3demux ! fakesink silent=TRUE 2&uml; /dev/null | grep taglist
* </programlisting> * </programlisting>
* </para> * </para>
* </refsect2> * </refsect2>
@ -64,7 +69,7 @@ GST_DEBUG_CATEGORY_STATIC (gst_tag_lib_mux_debug);
static const GstElementDetails gst_tag_lib_mux_details = static const GstElementDetails gst_tag_lib_mux_details =
GST_ELEMENT_DETAILS ("TagLib ID3v2 Muxer", GST_ELEMENT_DETAILS ("TagLib ID3v2 Muxer",
"Formatter/Metadata", "Formatter/Metadata",
"Adds an ID3v2 header to the beginning of MP3 files", "Adds an ID3v2 header to the beginning of MP3 files using taglib",
"Christophe Fergeau <teuf@gnome.org>"); "Christophe Fergeau <teuf@gnome.org>");
static GstStaticPadTemplate gst_tag_lib_mux_sink_template = static GstStaticPadTemplate gst_tag_lib_mux_sink_template =
@ -106,16 +111,16 @@ static gboolean gst_tag_lib_mux_sink_event (GstPad * pad, GstEvent * event);
static void static void
gst_tag_lib_mux_finalize (GObject * obj) gst_tag_lib_mux_finalize (GObject * obj)
{ {
GstTagLibMux *taglib = GST_TAGLIB_MUX (obj); GstTagLibMux *mux = GST_TAG_LIB_MUX (obj);
if (taglib->newsegment_ev) { if (mux->newsegment_ev) {
gst_event_unref (taglib->newsegment_ev); gst_event_unref (mux->newsegment_ev);
taglib->newsegment_ev = NULL; mux->newsegment_ev = NULL;
} }
if (taglib->event_tags) { if (mux->event_tags) {
gst_tag_list_free (taglib->event_tags); gst_tag_list_free (mux->event_tags);
taglib->event_tags = NULL; mux->event_tags = NULL;
} }
G_OBJECT_CLASS (parent_class)->finalize (obj); G_OBJECT_CLASS (parent_class)->finalize (obj);
@ -148,29 +153,28 @@ gst_tag_lib_mux_class_init (GstTagLibMuxClass * klass)
} }
static void static void
gst_tag_lib_mux_init (GstTagLibMux * taglib, gst_tag_lib_mux_init (GstTagLibMux * mux, GstTagLibMuxClass * muxmux_class)
GstTagLibMuxClass * taglibmux_class)
{ {
GstCaps *srccaps; GstCaps *srccaps;
/* pad through which data comes in to the element */ /* pad through which data comes in to the element */
taglib->sinkpad = mux->sinkpad =
gst_pad_new_from_static_template (&gst_tag_lib_mux_sink_template, "sink"); gst_pad_new_from_static_template (&gst_tag_lib_mux_sink_template, "sink");
gst_pad_set_chain_function (taglib->sinkpad, gst_pad_set_chain_function (mux->sinkpad,
GST_DEBUG_FUNCPTR (gst_tag_lib_mux_chain)); GST_DEBUG_FUNCPTR (gst_tag_lib_mux_chain));
gst_pad_set_event_function (taglib->sinkpad, gst_pad_set_event_function (mux->sinkpad,
GST_DEBUG_FUNCPTR (gst_tag_lib_mux_sink_event)); GST_DEBUG_FUNCPTR (gst_tag_lib_mux_sink_event));
gst_element_add_pad (GST_ELEMENT (taglib), taglib->sinkpad); gst_element_add_pad (GST_ELEMENT (mux), mux->sinkpad);
/* pad through which data goes out of the element */ /* pad through which data goes out of the element */
taglib->srcpad = mux->srcpad =
gst_pad_new_from_static_template (&gst_tag_lib_mux_src_template, "src"); gst_pad_new_from_static_template (&gst_tag_lib_mux_src_template, "src");
srccaps = gst_static_pad_template_get_caps (&gst_tag_lib_mux_src_template); srccaps = gst_static_pad_template_get_caps (&gst_tag_lib_mux_src_template);
gst_pad_use_fixed_caps (taglib->srcpad); gst_pad_use_fixed_caps (mux->srcpad);
gst_pad_set_caps (taglib->srcpad, srccaps); gst_pad_set_caps (mux->srcpad, srccaps);
gst_element_add_pad (GST_ELEMENT (taglib), taglib->srcpad); gst_element_add_pad (GST_ELEMENT (mux), mux->srcpad);
taglib->render_tag = TRUE; mux->render_tag = TRUE;
} }
static void static void
@ -383,18 +387,18 @@ add_one_tag (const GstTagList * list, const gchar * tag, gpointer user_data)
} }
static GstBuffer * static GstBuffer *
gst_tag_lib_mux_render_tag (GstTagLibMux * taglib) gst_tag_lib_mux_render_tag (GstTagLibMux * mux)
{ {
ID3v2::Tag id3v2tag; ID3v2::Tag id3v2tag;
ByteVector rendered_tag; ByteVector rendered_tag;
GstBuffer *buffer; GstBuffer *buffer;
GstTagSetter *tagsetter = GST_TAG_SETTER (taglib); GstTagSetter *tagsetter = GST_TAG_SETTER (mux);
const GstTagList *tagsetter_tags; const GstTagList *tagsetter_tags;
GstTagList *taglist; GstTagList *taglist;
GstEvent *event; GstEvent *event;
if (taglib->event_tags != NULL) { if (mux->event_tags != NULL) {
taglist = gst_tag_list_copy (taglib->event_tags); taglist = gst_tag_list_copy (mux->event_tags);
} else { } else {
taglist = gst_tag_list_new (); taglist = gst_tag_list_new ();
} }
@ -404,36 +408,36 @@ gst_tag_lib_mux_render_tag (GstTagLibMux * taglib)
GstTagMergeMode merge_mode; GstTagMergeMode merge_mode;
merge_mode = gst_tag_setter_get_tag_merge_mode (tagsetter); merge_mode = gst_tag_setter_get_tag_merge_mode (tagsetter);
GST_LOG_OBJECT (taglib, "merging tags, merge mode = %d", merge_mode); GST_LOG_OBJECT (mux, "merging tags, merge mode = %d", merge_mode);
GST_LOG_OBJECT (taglib, "event tags: %" GST_PTR_FORMAT, taglist); GST_LOG_OBJECT (mux, "event tags: %" GST_PTR_FORMAT, taglist);
GST_LOG_OBJECT (taglib, "set tags: %" GST_PTR_FORMAT, tagsetter_tags); GST_LOG_OBJECT (mux, "set tags: %" GST_PTR_FORMAT, tagsetter_tags);
gst_tag_list_insert (taglist, tagsetter_tags, merge_mode); gst_tag_list_insert (taglist, tagsetter_tags, merge_mode);
} }
GST_LOG_OBJECT (taglib, "final tags: %" GST_PTR_FORMAT, taglist); GST_LOG_OBJECT (mux, "final tags: %" GST_PTR_FORMAT, taglist);
/* Render the tag */ /* Render the tag */
gst_tag_list_foreach (taglist, add_one_tag, &id3v2tag); gst_tag_list_foreach (taglist, add_one_tag, &id3v2tag);
rendered_tag = id3v2tag.render (); rendered_tag = id3v2tag.render ();
taglib->tag_size = rendered_tag.size (); mux->tag_size = rendered_tag.size ();
GST_LOG_OBJECT (taglib, "tag size = %d bytes", taglib->tag_size); GST_LOG_OBJECT (mux, "tag size = %d bytes", mux->tag_size);
/* Create buffer with tag */ /* Create buffer with tag */
buffer = gst_buffer_new_and_alloc (taglib->tag_size); buffer = gst_buffer_new_and_alloc (mux->tag_size);
memcpy (GST_BUFFER_DATA (buffer), rendered_tag.data (), taglib->tag_size); memcpy (GST_BUFFER_DATA (buffer), rendered_tag.data (), mux->tag_size);
gst_buffer_set_caps (buffer, GST_PAD_CAPS (taglib->srcpad)); gst_buffer_set_caps (buffer, GST_PAD_CAPS (mux->srcpad));
/* Send newsegment event from byte position 0, so the tag really gets /* Send newsegment event from byte position 0, so the tag really gets
* written to the start of the file, independent of the upstream segment */ * written to the start of the file, independent of the upstream segment */
gst_pad_push_event (taglib->srcpad, gst_pad_push_event (mux->srcpad,
gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES, 0, -1, 0)); gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES, 0, -1, 0));
/* Send an event about the new tags to downstream elements */ /* Send an event about the new tags to downstream elements */
/* gst_event_new_tag takes ownership of the list, so no need to unref it */ /* gst_event_new_tag takes ownership of the list, so no need to unref it */
event = gst_event_new_tag (taglist); event = gst_event_new_tag (taglist);
gst_pad_push_event (taglib->srcpad, event); gst_pad_push_event (mux->srcpad, event);
GST_BUFFER_OFFSET (buffer) = 0; GST_BUFFER_OFFSET (buffer) = 0;
@ -441,7 +445,7 @@ gst_tag_lib_mux_render_tag (GstTagLibMux * taglib)
} }
static GstEvent * static GstEvent *
gst_tag_lib_mux_adjust_event_offsets (GstTagLibMux * taglib, gst_tag_lib_mux_adjust_event_offsets (GstTagLibMux * mux,
const GstEvent * newsegment_event) const GstEvent * newsegment_event)
{ {
GstFormat format; GstFormat format;
@ -453,15 +457,15 @@ gst_tag_lib_mux_adjust_event_offsets (GstTagLibMux * taglib,
g_assert (format == GST_FORMAT_BYTES); g_assert (format == GST_FORMAT_BYTES);
if (start != -1) if (start != -1)
start += taglib->tag_size; start += mux->tag_size;
if (stop != -1) if (stop != -1)
stop += taglib->tag_size; stop += mux->tag_size;
if (cur != -1) if (cur != -1)
cur += taglib->tag_size; cur += mux->tag_size;
GST_DEBUG_OBJECT (taglib, "adjusting newsegment event offsets to start=%" GST_DEBUG_OBJECT (mux, "adjusting newsegment event offsets to start=%"
G_GINT64_FORMAT ", stop=%" G_GINT64_FORMAT ", cur=%" G_GINT64_FORMAT G_GINT64_FORMAT ", stop=%" G_GINT64_FORMAT ", cur=%" G_GINT64_FORMAT
" (delta = +%u)", start, stop, cur, taglib->tag_size); " (delta = +%u)", start, stop, cur, mux->tag_size);
return gst_event_new_new_segment (TRUE, 1.0, format, start, stop, cur); return gst_event_new_new_segment (TRUE, 1.0, format, start, stop, cur);
} }
@ -469,53 +473,53 @@ gst_tag_lib_mux_adjust_event_offsets (GstTagLibMux * taglib,
static GstFlowReturn static GstFlowReturn
gst_tag_lib_mux_chain (GstPad * pad, GstBuffer * buffer) gst_tag_lib_mux_chain (GstPad * pad, GstBuffer * buffer)
{ {
GstTagLibMux *taglib = GST_TAGLIB_MUX (GST_OBJECT_PARENT (pad)); GstTagLibMux *mux = GST_TAG_LIB_MUX (GST_OBJECT_PARENT (pad));
if (taglib->render_tag) { if (mux->render_tag) {
GstFlowReturn ret; GstFlowReturn ret;
GST_INFO_OBJECT (taglib, "Adding tags to stream"); GST_INFO_OBJECT (mux, "Adding tags to stream");
ret = gst_pad_push (taglib->srcpad, gst_tag_lib_mux_render_tag (taglib)); ret = gst_pad_push (mux->srcpad, gst_tag_lib_mux_render_tag (mux));
if (ret != GST_FLOW_OK) { if (ret != GST_FLOW_OK) {
GST_DEBUG_OBJECT (taglib, "flow: %s", gst_flow_get_name (ret)); GST_DEBUG_OBJECT (mux, "flow: %s", gst_flow_get_name (ret));
gst_buffer_unref (buffer); gst_buffer_unref (buffer);
return ret; return ret;
} }
/* Now send the cached newsegment event that we got from upstream */ /* Now send the cached newsegment event that we got from upstream */
if (taglib->newsegment_ev) { if (mux->newsegment_ev) {
GST_DEBUG_OBJECT (taglib, "sending cached newsegment event"); GST_DEBUG_OBJECT (mux, "sending cached newsegment event");
gst_pad_push_event (taglib->srcpad, gst_pad_push_event (mux->srcpad,
gst_tag_lib_mux_adjust_event_offsets (taglib, taglib->newsegment_ev)); gst_tag_lib_mux_adjust_event_offsets (mux, mux->newsegment_ev));
gst_event_unref (taglib->newsegment_ev); gst_event_unref (mux->newsegment_ev);
taglib->newsegment_ev = NULL; mux->newsegment_ev = NULL;
} else { } else {
/* upstream sent no newsegment event or only one in a non-BYTE format */ /* upstream sent no newsegment event or only one in a non-BYTE format */
} }
taglib->render_tag = FALSE; mux->render_tag = FALSE;
} }
buffer = gst_buffer_make_metadata_writable (buffer); buffer = gst_buffer_make_metadata_writable (buffer);
if (GST_BUFFER_OFFSET (buffer) != GST_BUFFER_OFFSET_NONE) { if (GST_BUFFER_OFFSET (buffer) != GST_BUFFER_OFFSET_NONE) {
GST_LOG_OBJECT (taglib, "Adjusting buffer offset from %" G_GINT64_FORMAT GST_LOG_OBJECT (mux, "Adjusting buffer offset from %" G_GINT64_FORMAT
" to %" G_GINT64_FORMAT, GST_BUFFER_OFFSET (buffer), " to %" G_GINT64_FORMAT, GST_BUFFER_OFFSET (buffer),
GST_BUFFER_OFFSET (buffer) + taglib->tag_size); GST_BUFFER_OFFSET (buffer) + mux->tag_size);
GST_BUFFER_OFFSET (buffer) += taglib->tag_size; GST_BUFFER_OFFSET (buffer) += mux->tag_size;
} }
gst_buffer_set_caps (buffer, GST_PAD_CAPS (taglib->srcpad)); gst_buffer_set_caps (buffer, GST_PAD_CAPS (mux->srcpad));
return gst_pad_push (taglib->srcpad, buffer); return gst_pad_push (mux->srcpad, buffer);
} }
static gboolean static gboolean
gst_tag_lib_mux_sink_event (GstPad * pad, GstEvent * event) gst_tag_lib_mux_sink_event (GstPad * pad, GstEvent * event)
{ {
GstTagLibMux *taglib; GstTagLibMux *mux;
gboolean result; gboolean result;
taglib = GST_TAGLIB_MUX (gst_pad_get_parent (pad)); mux = GST_TAG_LIB_MUX (gst_pad_get_parent (pad));
result = FALSE; result = FALSE;
switch (GST_EVENT_TYPE (event)) { switch (GST_EVENT_TYPE (event)) {
@ -524,16 +528,16 @@ gst_tag_lib_mux_sink_event (GstPad * pad, GstEvent * event)
gst_event_parse_tag (event, &tags); gst_event_parse_tag (event, &tags);
GST_INFO_OBJECT (taglib, "Got tag event: %" GST_PTR_FORMAT, tags); GST_INFO_OBJECT (mux, "Got tag event: %" GST_PTR_FORMAT, tags);
if (taglib->event_tags != NULL) { if (mux->event_tags != NULL) {
gst_tag_list_insert (taglib->event_tags, tags, GST_TAG_MERGE_REPLACE); gst_tag_list_insert (mux->event_tags, tags, GST_TAG_MERGE_REPLACE);
} else { } else {
taglib->event_tags = gst_tag_list_copy (tags); mux->event_tags = gst_tag_list_copy (tags);
} }
GST_INFO_OBJECT (taglib, "Event tags are now: %" GST_PTR_FORMAT, GST_INFO_OBJECT (mux, "Event tags are now: %" GST_PTR_FORMAT,
taglib->event_tags); mux->event_tags);
/* just drop the event, we'll push a new tag event in render_tag */ /* just drop the event, we'll push a new tag event in render_tag */
gst_event_unref (event); gst_event_unref (event);
@ -546,29 +550,29 @@ gst_tag_lib_mux_sink_event (GstPad * pad, GstEvent * event)
gst_event_parse_new_segment (event, NULL, NULL, &fmt, NULL, NULL, NULL); gst_event_parse_new_segment (event, NULL, NULL, &fmt, NULL, NULL, NULL);
if (fmt != GST_FORMAT_BYTES) { if (fmt != GST_FORMAT_BYTES) {
GST_WARNING_OBJECT (taglib, "dropping newsegment event in %s format", GST_WARNING_OBJECT (mux, "dropping newsegment event in %s format",
gst_format_get_name (fmt)); gst_format_get_name (fmt));
gst_event_unref (event); gst_event_unref (event);
break; break;
} }
if (taglib->render_tag) { if (mux->render_tag) {
/* we have not rendered the tag yet, which means that we don't know /* we have not rendered the tag yet, which means that we don't know
* how large it is going to be yet, so we can't adjust the offsets * how large it is going to be yet, so we can't adjust the offsets
* here at this point and need to cache the newsegment event for now * here at this point and need to cache the newsegment event for now
* (also, there could be tag events coming after this newsegment event * (also, there could be tag events coming after this newsegment event
* and before the first buffer). */ * and before the first buffer). */
if (taglib->newsegment_ev) { if (mux->newsegment_ev) {
GST_WARNING_OBJECT (taglib, "discarding old cached newsegment event"); GST_WARNING_OBJECT (mux, "discarding old cached newsegment event");
gst_event_unref (taglib->newsegment_ev); gst_event_unref (mux->newsegment_ev);
} }
GST_LOG_OBJECT (taglib, "caching newsegment event for later"); GST_LOG_OBJECT (mux, "caching newsegment event for later");
taglib->newsegment_ev = event; mux->newsegment_ev = event;
} else { } else {
GST_DEBUG_OBJECT (taglib, "got newsegment event, adjusting offsets"); GST_DEBUG_OBJECT (mux, "got newsegment event, adjusting offsets");
gst_pad_push_event (taglib->srcpad, gst_pad_push_event (mux->srcpad,
gst_tag_lib_mux_adjust_event_offsets (taglib, event)); gst_tag_lib_mux_adjust_event_offsets (mux, event));
gst_event_unref (event); gst_event_unref (event);
} }
event = NULL; event = NULL;
@ -580,7 +584,7 @@ gst_tag_lib_mux_sink_event (GstPad * pad, GstEvent * event)
break; break;
} }
gst_object_unref (taglib); gst_object_unref (mux);
return result; return result;
} }
@ -589,10 +593,10 @@ gst_tag_lib_mux_sink_event (GstPad * pad, GstEvent * event)
static GstStateChangeReturn static GstStateChangeReturn
gst_tag_lib_mux_change_state (GstElement * element, GstStateChange transition) gst_tag_lib_mux_change_state (GstElement * element, GstStateChange transition)
{ {
GstTagLibMux *taglib; GstTagLibMux *mux;
GstStateChangeReturn result; GstStateChangeReturn result;
taglib = GST_TAGLIB_MUX (element); mux = GST_TAG_LIB_MUX (element);
result = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); result = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (result != GST_STATE_CHANGE_SUCCESS) { if (result != GST_STATE_CHANGE_SUCCESS) {
@ -601,16 +605,16 @@ gst_tag_lib_mux_change_state (GstElement * element, GstStateChange transition)
switch (transition) { switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:{ case GST_STATE_CHANGE_PAUSED_TO_READY:{
if (taglib->newsegment_ev) { if (mux->newsegment_ev) {
gst_event_unref (taglib->newsegment_ev); gst_event_unref (mux->newsegment_ev);
taglib->newsegment_ev = NULL; mux->newsegment_ev = NULL;
} }
if (taglib->event_tags) { if (mux->event_tags) {
gst_tag_list_free (taglib->event_tags); gst_tag_list_free (mux->event_tags);
taglib->event_tags = NULL; mux->event_tags = NULL;
} }
taglib->tag_size = 0; mux->tag_size = 0;
taglib->render_tag = TRUE; mux->render_tag = TRUE;
break; break;
} }
default: default:
@ -624,12 +628,12 @@ gst_tag_lib_mux_change_state (GstElement * element, GstStateChange transition)
static gboolean static gboolean
plugin_init (GstPlugin * plugin) plugin_init (GstPlugin * plugin)
{ {
if (!gst_element_register (plugin, "tagid3v2mux", GST_RANK_NONE, if (!gst_element_register (plugin, "id3v2mux", GST_RANK_NONE,
GST_TYPE_TAGLIB_MUX)) GST_TYPE_TAG_LIB_MUX))
return FALSE; return FALSE;
GST_DEBUG_CATEGORY_INIT (gst_tag_lib_mux_debug, "taglibmux", 0, GST_DEBUG_CATEGORY_INIT (gst_tag_lib_mux_debug, "taglibmux", 0,
"ID3 Tag Muxer"); "taglib-based muxer");
gst_tag_register_musicbrainz_tags (); gst_tag_register_musicbrainz_tags ();

20
ext/taglib/gsttaglib.h
View file

@ -1,4 +1,4 @@
/* GStreamer taglib-based ID3 muxer /* GStreamer taglib-based muxer
* (c) 2006 Christophe Fergeau <teuf@gnome.org> * (c) 2006 Christophe Fergeau <teuf@gnome.org>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
@ -45,16 +45,16 @@ typedef struct _GstTagLibMuxClass {
} GstTagLibMuxClass; } GstTagLibMuxClass;
/* Standard macros for defining types for this element. */ /* Standard macros for defining types for this element. */
#define GST_TYPE_TAGLIB_MUX \ #define GST_TYPE_TAG_LIB_MUX \
(gst_tag_lib_mux_get_type()) (gst_tag_lib_mux_get_type())
#define GST_TAGLIB_MUX(obj) \ #define GST_TAG_LIB_MUX(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TAGLIB_MUX,GstTagLibMux)) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TAG_LIB_MUX,GstTagLibMux))
#define GST_TAGLIB_MUX_CLASS(klass) \ #define GST_TAG_LIB_MUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TAGLIB_MUX,GstTagLibMuxClass)) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TAG_LIB_MUX,GstTagLibMuxClass))
#define GST_IS_TAGLIB_MUX(obj) \ #define GST_IS_TAG_LIB_MUX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TAGLIB_MUX)) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TAG_LIB_MUX))
#define GST_IS_TAGLIB_MUX_CLASS(klass) \ #define GST_IS_TAG_LIB_MUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TAGLIB_MUX)) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TAG_LIB_MUX))
/* Standard function returning type information. */ /* Standard function returning type information. */
GType gst_tag_lib_mux_get_type (void); GType gst_tag_lib_mux_get_type (void);