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author | Wim Taymans <wim.taymans@collabora.co.uk> | 2013-03-22 11:04:10 +0100 |
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committer | Wim Taymans <wim.taymans@collabora.co.uk> | 2013-03-22 11:04:10 +0100 |
commit | d09a72029cba10b0ab666e95f411beeea65dd172 (patch) | |
tree | 58f5d6b657f1a478b769557be9e04c9e04c3fb68 /ext/fluidsynth | |
parent | 30585c8f8ea84c73d7043f58b3cb02d502a68887 (diff) | |
download | gstreamer-plugins-bad-d09a72029cba10b0ab666e95f411beeea65dd172.tar.gz |
fluidsynth: add properties
Add properties.
Try to find a good default soundfont when not specified.
Diffstat (limited to 'ext/fluidsynth')
-rw-r--r-- | ext/fluidsynth/gstfluidsynth.c | 193 | ||||
-rw-r--r-- | ext/fluidsynth/gstfluidsynth.h | 16 |
2 files changed, 187 insertions, 22 deletions
diff --git a/ext/fluidsynth/gstfluidsynth.c b/ext/fluidsynth/gstfluidsynth.c index 095e22dad..23b86b3bc 100644 --- a/ext/fluidsynth/gstfluidsynth.c +++ b/ext/fluidsynth/gstfluidsynth.c @@ -63,10 +63,22 @@ enum LAST_SIGNAL }; +#define SOUNDFONT_PATH "/usr/share/sounds/sf2/" + +#define DEFAULT_SOUNDFONT NULL +#define DEFAULT_SYNTH_CHORUS TRUE +#define DEFAULT_SYNTH_REVERB TRUE +#define DEFAULT_SYNTH_GAIN 0.2 +#define DEFAULT_SYNTH_POLYPHONY 256 + enum { PROP_0, - /* FILL ME */ + PROP_SOUNDFONT, + PROP_SYNTH_CHORUS, + PROP_SYNTH_REVERB, + PROP_SYNTH_GAIN, + PROP_SYNTH_POLYPHONY }; static void gst_fluidsynth_finalize (GObject * object); @@ -142,6 +154,31 @@ gst_fluidsynth_class_init (GstFluidsynthClass * klass) gobject_class->set_property = gst_fluidsynth_set_property; gobject_class->get_property = gst_fluidsynth_get_property; + g_object_class_install_property (gobject_class, PROP_SOUNDFONT, + g_param_spec_string ("soundfont", + "Soundfont", "the filename of a soundfont (NULL for default)", + DEFAULT_SOUNDFONT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + + g_object_class_install_property (gobject_class, PROP_SYNTH_CHORUS, + g_param_spec_boolean ("synth-chorus", + "Synth Chorus", "Turn the chorus on or off", + DEFAULT_SYNTH_CHORUS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + + g_object_class_install_property (gobject_class, PROP_SYNTH_REVERB, + g_param_spec_boolean ("synth-reverb", + "Synth Reverb", "Turn the reverb on or off", + DEFAULT_SYNTH_REVERB, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + + g_object_class_install_property (gobject_class, PROP_SYNTH_GAIN, + g_param_spec_double ("synth-gain", + "Synth Gain", "Set the master gain", 0.0, 10.0, + DEFAULT_SYNTH_GAIN, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + + g_object_class_install_property (gobject_class, PROP_SYNTH_POLYPHONY, + g_param_spec_int ("synth-polyphony", + "Synth Polyphony", "The number of simultaneous voices", 1, 65535, + DEFAULT_SYNTH_POLYPHONY, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + gst_element_class_add_pad_template (gstelement_class, gst_static_pad_template_get (&src_factory)); gst_element_class_add_pad_template (gstelement_class, @@ -187,11 +224,32 @@ gst_fluidsynth_init (GstFluidsynth * filter) filter->srcpad = gst_pad_new_from_static_template (&src_factory, "src"); gst_pad_use_fixed_caps (filter->srcpad); gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad); + + filter->soundfont = g_strdup (DEFAULT_SOUNDFONT); + filter->synth_chorus = DEFAULT_SYNTH_CHORUS; + filter->synth_reverb = DEFAULT_SYNTH_REVERB; + filter->synth_gain = DEFAULT_SYNTH_GAIN; + filter->synth_polyphony = DEFAULT_SYNTH_POLYPHONY; + + filter->settings = new_fluid_settings (); + filter->synth = new_fluid_synth (filter->settings); + filter->sf = -1; + + fluid_synth_set_chorus_on (filter->synth, filter->synth_chorus); + fluid_synth_set_reverb_on (filter->synth, filter->synth_reverb); + fluid_synth_set_gain (filter->synth, filter->synth_gain); + fluid_synth_set_polyphony (filter->synth, filter->synth_polyphony); } static void gst_fluidsynth_finalize (GObject * object) { + GstFluidsynth *fluidsynth = GST_FLUIDSYNTH (object); + + delete_fluid_synth (fluidsynth->synth); + delete_fluid_settings (fluidsynth->settings); + g_free (fluidsynth->soundfont); + G_OBJECT_CLASS (parent_class)->finalize (object); } @@ -255,6 +313,8 @@ gst_fluidsynth_sink_event (GstPad * pad, GstObject * parent, GstEvent * event) "channels", G_TYPE_INT, 2, "layout", G_TYPE_STRING, "interleaved", NULL); + fluid_synth_set_sample_rate (fluidsynth->synth, FLUIDSYNTH_RATE); + res = gst_pad_push_event (fluidsynth->srcpad, gst_event_new_caps (caps)); gst_caps_unref (caps); break; @@ -426,30 +486,87 @@ gst_fluidsynth_chain (GstPad * sinkpad, GstObject * parent, GstBuffer * buffer) static gboolean gst_fluidsynth_open (GstFluidsynth * fluidsynth) { - if (fluidsynth->settings == NULL) { - fluidsynth->settings = new_fluid_settings (); - fluidsynth->synth = new_fluid_synth (fluidsynth->settings); - /* FIXME configure path */ - fluidsynth->soundfont = fluid_synth_sfload (fluidsynth->synth, - "/usr/share/sounds/sf2/FluidR3_GM.sf2", 1); - fluid_synth_set_chorus_on (fluidsynth->synth, TRUE); - fluid_synth_set_gain (fluidsynth->synth, 0.2); - fluid_synth_set_polyphony (fluidsynth->synth, 256); - fluid_synth_set_reverb_on (fluidsynth->synth, TRUE); - fluid_synth_set_sample_rate (fluidsynth->synth, FLUIDSYNTH_RATE); - } + GDir *dir; + GError *error = NULL; + + if (fluidsynth->sf != -1) + return TRUE; + + if (fluidsynth->soundfont) { + GST_DEBUG_OBJECT (fluidsynth, "loading soundfont file %s", + fluidsynth->soundfont); + + fluidsynth->sf = fluid_synth_sfload (fluidsynth->synth, + fluidsynth->soundfont, 1); + if (fluidsynth->sf == -1) + goto load_failed; + GST_DEBUG_OBJECT (fluidsynth, "loaded soundfont file %s", + fluidsynth->soundfont); + } else { + + dir = g_dir_open (SOUNDFONT_PATH, 0, &error); + if (dir == NULL) + goto open_dir_failed; + + while (TRUE) { + const gchar *name; + gchar *filename; + + if ((name = g_dir_read_name (dir)) == NULL) + break; + + filename = g_build_filename (SOUNDFONT_PATH, name, NULL); + + GST_DEBUG_OBJECT (fluidsynth, "loading soundfont file %s", filename); + fluidsynth->sf = fluid_synth_sfload (fluidsynth->synth, filename, 1); + if (fluidsynth->sf != -1) { + GST_DEBUG_OBJECT (fluidsynth, "loaded soundfont file %s", filename); + break; + } + GST_DEBUG_OBJECT (fluidsynth, "could not load soundfont file %s", + filename); + } + g_dir_close (dir); + + if (fluidsynth->sf == -1) + goto no_soundfont; + } return TRUE; + + /* ERRORS */ +load_failed: + { + GST_ELEMENT_ERROR (fluidsynth, RESOURCE, OPEN_READ, + ("Can't open soundfont %s", fluidsynth->soundfont), + ("failed to open soundfont file %s for reading", + fluidsynth->soundfont)); + return FALSE; + } +open_dir_failed: + { + GST_ELEMENT_ERROR (fluidsynth, RESOURCE, OPEN_READ, + ("Can't open directory %s", SOUNDFONT_PATH), + ("failed to open directory %s for reading: %s", SOUNDFONT_PATH, + error->message)); + g_error_free (error); + return FALSE; + } +no_soundfont: + { + GST_ELEMENT_ERROR (fluidsynth, RESOURCE, OPEN_READ, + ("Can't find soundfont file in directory %s", SOUNDFONT_PATH), + ("No usable soundfont files found in %s", SOUNDFONT_PATH)); + return FALSE; + } } static gboolean gst_fluidsynth_close (GstFluidsynth * fluidsynth) { - if (fluidsynth->settings) { - fluid_synth_sfunload (fluidsynth->synth, fluidsynth->soundfont, 1); - delete_fluid_synth (fluidsynth->synth); - delete_fluid_settings (fluidsynth->settings); - fluidsynth->settings = NULL; + if (fluidsynth->sf) { + fluid_synth_sfunload (fluidsynth->synth, fluidsynth->sf, 1); + fluidsynth->sf = -1; } return TRUE; } @@ -501,7 +618,30 @@ static void gst_fluidsynth_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { + GstFluidsynth *fluidsynth = GST_FLUIDSYNTH (object); + switch (prop_id) { + case PROP_SOUNDFONT: + g_free (fluidsynth->soundfont); + fluidsynth->soundfont = g_value_dup_string (value); + break; + case PROP_SYNTH_CHORUS: + fluidsynth->synth_chorus = g_value_get_boolean (value); + fluid_synth_set_chorus_on (fluidsynth->synth, fluidsynth->synth_chorus); + break; + case PROP_SYNTH_REVERB: + fluidsynth->synth_reverb = g_value_get_boolean (value); + fluid_synth_set_reverb_on (fluidsynth->synth, fluidsynth->synth_reverb); + break; + case PROP_SYNTH_GAIN: + fluidsynth->synth_gain = g_value_get_double (value); + fluid_synth_set_gain (fluidsynth->synth, fluidsynth->synth_gain); + break; + case PROP_SYNTH_POLYPHONY: + fluidsynth->synth_polyphony = g_value_get_int (value); + fluid_synth_set_polyphony (fluidsynth->synth, + fluidsynth->synth_polyphony); + break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; @@ -512,7 +652,24 @@ static void gst_fluidsynth_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { + GstFluidsynth *fluidsynth = GST_FLUIDSYNTH (object); + switch (prop_id) { + case PROP_SOUNDFONT: + g_value_set_string (value, fluidsynth->soundfont); + break; + case PROP_SYNTH_CHORUS: + g_value_set_boolean (value, fluidsynth->synth_chorus); + break; + case PROP_SYNTH_REVERB: + g_value_set_boolean (value, fluidsynth->synth_reverb); + break; + case PROP_SYNTH_GAIN: + g_value_set_double (value, fluidsynth->synth_gain); + break; + case PROP_SYNTH_POLYPHONY: + g_value_set_int (value, fluidsynth->synth_polyphony); + break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; diff --git a/ext/fluidsynth/gstfluidsynth.h b/ext/fluidsynth/gstfluidsynth.h index ab5da6ba5..924cf0090 100644 --- a/ext/fluidsynth/gstfluidsynth.h +++ b/ext/fluidsynth/gstfluidsynth.h @@ -48,13 +48,21 @@ struct _GstFluidsynth GstElement element; GstPad *sinkpad, *srcpad; - GstSegment segment; - GstClockTime last_pts; - guint64 last_sample; + + /* properties */ + gchar *soundfont; + gboolean synth_chorus; + gboolean synth_reverb; + gdouble synth_gain; + gint synth_polyphony; fluid_settings_t* settings; fluid_synth_t* synth; - int soundfont; + int sf; + + GstSegment segment; + GstClockTime last_pts; + guint64 last_sample; }; struct _GstFluidsynthClass |