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authorStefan Kost <ensonic@users.sourceforge.net>2007-07-24 15:13:44 +0000
committerStefan Kost <ensonic@users.sourceforge.net>2007-07-24 15:13:44 +0000
commit9c8ef16a8af5ca68e61f217b023a7f935587255b (patch)
treecd918ba01b597f483119e07777b36f4214691b8d /ext
parent2a8bc6a2e13844c797603c2de12635e1661b55bb (diff)
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ext/timidity/gstwildmidi.*: Don't initialize wildmidi in plugin_init as it also setups audio filters which is slow.
Original commit message from CVS: * ext/timidity/gstwildmidi.c: (wildmidi_open_config), (gst_wildmidi_init), (gst_wildmidi_change_state), (plugin_init): * ext/timidity/gstwildmidi.h: Don't initialize wildmidi in plugin_init as it also setups audio filters which is slow.
Diffstat (limited to 'ext')
-rw-r--r--ext/timidity/gstwildmidi.c119
-rw-r--r--ext/timidity/gstwildmidi.h2
2 files changed, 65 insertions, 56 deletions
diff --git a/ext/timidity/gstwildmidi.c b/ext/timidity/gstwildmidi.c
index ae7cba95..8da7a5f4 100644
--- a/ext/timidity/gstwildmidi.c
+++ b/ext/timidity/gstwildmidi.c
@@ -126,6 +126,57 @@ gst_wildmidi_base_init (gpointer gclass)
gst_element_class_set_details (element_class, &gst_wildmidi_details);
}
+static gboolean
+wildmidi_open_config ()
+{
+ gchar *path = g_strdup (g_getenv ("WILDMIDI_CFG"));
+ gint ret;
+
+ GST_DEBUG ("trying %s", GST_STR_NULL (path));
+ if (path && (g_access (path, R_OK) == -1)) {
+ g_free (path);
+ path = NULL;
+ }
+
+ if (path == NULL) {
+ path =
+ g_build_path (G_DIR_SEPARATOR_S, g_get_home_dir (), ".wildmidirc",
+ NULL);
+ GST_DEBUG ("trying %s", path);
+ if (path && (g_access (path, R_OK) == -1)) {
+ g_free (path);
+ path = NULL;
+ }
+ }
+
+ if (path == NULL) {
+ path = g_build_path (G_DIR_SEPARATOR_S, "/etc", "wildmidi.cfg", NULL);
+ GST_DEBUG ("trying %s", path);
+ if (path && (g_access (path, R_OK) == -1)) {
+ g_free (path);
+ path = NULL;
+ }
+ }
+
+ if (path == NULL) {
+ /* I've created a symlink to get it playing
+ * ln -s /usr/share/timidity/timidity.cfg /etc/wildmidi.cfg
+ * we could make it use : TIMIDITY_CFG
+ * but unfortunately it fails to create a proper filename if the config
+ * has a redirect
+ * http://sourceforge.net/tracker/index.php?func=detail&aid=1657358&group_id=42635&atid=433744
+ */
+ GST_WARNING ("no config file, can't initialise");
+ return FALSE;
+ }
+
+ /* this also initializes a some filter and stuff and thus is slow */
+ ret = WildMidi_Init (path, WILDMIDI_RATE, 0);
+ g_free (path);
+
+ return (ret == 0);
+}
+
/* initialize the plugin's class */
static void
gst_wildmidi_class_init (GstWildmidiClass * klass)
@@ -159,6 +210,13 @@ gst_wildmidi_init (GstWildmidi * filter, GstWildmidiClass * g_class)
{
GstElementClass *klass = GST_ELEMENT_GET_CLASS (filter);
+ /* initialise wildmidi library */
+ if (wildmidi_open_config ()) {
+ filter->initialized = TRUE;
+ } else {
+ GST_WARNING ("can't initialize wildmidi");
+ }
+
filter->sinkpad =
gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
"sink"), "sink");
@@ -722,6 +780,11 @@ gst_wildmidi_change_state (GstElement * element, GstStateChange transition)
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
GstWildmidi *wildmidi = GST_WILDMIDI (element);
+ if (!wildmidi->initialized) {
+ GST_WARNING ("WildMidi renderer is not initialized");
+ return GST_STATE_CHANGE_FAILURE;
+ }
+
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
wildmidi->out_caps =
@@ -828,56 +891,6 @@ gst_wildmidi_typefind (GstTypeFind * tf, gpointer _data)
}
static gboolean
-wildmidi_open_config ()
-{
- gchar *path = g_strdup (g_getenv ("WILDMIDI_CFG"));
- gint ret;
-
- GST_DEBUG ("trying %s", GST_STR_NULL (path));
- if (path && (g_access (path, R_OK) == -1)) {
- g_free (path);
- path = NULL;
- }
-
- if (path == NULL) {
- path =
- g_build_path (G_DIR_SEPARATOR_S, g_get_home_dir (), ".wildmidirc",
- NULL);
- GST_DEBUG ("trying %s", path);
- if (path && (g_access (path, R_OK) == -1)) {
- g_free (path);
- path = NULL;
- }
- }
-
- if (path == NULL) {
- path = g_build_path (G_DIR_SEPARATOR_S, "/etc", "wildmidi.cfg", NULL);
- GST_DEBUG ("trying %s", path);
- if (path && (g_access (path, R_OK) == -1)) {
- g_free (path);
- path = NULL;
- }
- }
-
- if (path == NULL) {
- /* I've created a symlink to get it playing
- * ln -s /usr/share/timidity/timidity.cfg /etc/wildmidi.cfg
- * we could make it use : TIMIDITY_CFG
- * but unfortunately it fails to create a proper filename if the config
- * has a redirect
- * http://sourceforge.net/tracker/index.php?func=detail&aid=1657358&group_id=42635&atid=433744
- */
- GST_WARNING ("no config file, can't initialise");
- return FALSE;
- }
-
- ret = WildMidi_Init (path, WILDMIDI_RATE, 0);
- g_free (path);
-
- return (ret == 0);
-}
-
-static gboolean
plugin_init (GstPlugin * plugin)
{
static gchar *exts[] = { "mid", "midi", NULL };
@@ -886,12 +899,6 @@ plugin_init (GstPlugin * plugin)
GST_DEBUG_CATEGORY_INIT (gst_wildmidi_debug, "wildmidi",
0, "Wildmidi plugin");
- /* initialise wildmidi library, fail loading the plugin if this fails */
- if (!wildmidi_open_config ()) {
- GST_WARNING ("can't initialize wildmidi");
- return FALSE;
- }
-
if (!gst_type_find_register (plugin, "audio/midi", GST_RANK_SECONDARY,
gst_wildmidi_typefind, exts,
gst_caps_new_simple ("audio/midi", NULL), NULL, NULL)) {
diff --git a/ext/timidity/gstwildmidi.h b/ext/timidity/gstwildmidi.h
index 37815ea6..54189572 100644
--- a/ext/timidity/gstwildmidi.h
+++ b/ext/timidity/gstwildmidi.h
@@ -51,6 +51,8 @@ struct _GstWildmidi
GstPad *sinkpad, *srcpad;
+ gboolean initialized;
+
/* input stream properties */
gint64 mididata_size, mididata_offset;
gchar *mididata;