diff options
Diffstat (limited to 'ext/ladspa')
| -rw-r--r-- | ext/ladspa/gstladspa.c | 54 | ||||
| -rw-r--r-- | ext/ladspa/gstladspa.h | 1 |
2 files changed, 46 insertions, 9 deletions
diff --git a/ext/ladspa/gstladspa.c b/ext/ladspa/gstladspa.c index 4fabcc02..e1d4e915 100644 --- a/ext/ladspa/gstladspa.c +++ b/ext/ladspa/gstladspa.c @@ -242,6 +242,47 @@ gst_ladspa_class_init (GstLADSPAClass *klass) if (argtype==G_TYPE_FLOAT) klass->control_info[i].upperbound = G_MAXFLOAT; } + klass->control_info[i].def = klass->control_info[i].lowerbound; + +#ifdef LADSPA_IS_HINT_HAS_DEFAULT + /* figure out the defaults */ + if (LADSPA_IS_HINT_HAS_DEFAULT (hintdesc)) { + if (LADSPA_IS_HINT_DEFAULT_MINIMUM (hintdesc)) + klass->control_info[i].def = klass->control_info[i].lowerbound; + else if (LADSPA_IS_HINT_DEFAULT_LOW (hintdesc)) + if (LADSPA_IS_HINT_LOGARITHMIC (hintdesc)) + klass->control_info[i].def = exp (0.75*log(klass->control_info[i].lowerbound) + + 0.25*log(klass->control_info[i].upperbound)); + else + klass->control_info[i].def = (0.75*klass->control_info[i].lowerbound + + 0.25*klass->control_info[i].upperbound); + else if (LADSPA_IS_HINT_DEFAULT_MIDDLE (hintdesc)) + if (LADSPA_IS_HINT_LOGARITHMIC (hintdesc)) + klass->control_info[i].def = exp (0.5*log(klass->control_info[i].lowerbound) + + 0.5*log(klass->control_info[i].upperbound)); + else + klass->control_info[i].def = (0.5*klass->control_info[i].lowerbound + + 0.5*klass->control_info[i].upperbound); + else if (LADSPA_IS_HINT_DEFAULT_HIGH (hintdesc)) + if (LADSPA_IS_HINT_LOGARITHMIC (hintdesc)) + klass->control_info[i].def = exp (0.25*log(klass->control_info[i].lowerbound) + + 0.75*log(klass->control_info[i].upperbound)); + else + klass->control_info[i].def = (0.25*klass->control_info[i].lowerbound + + 0.75*klass->control_info[i].upperbound); + else if (LADSPA_IS_HINT_DEFAULT_MAXIMUM (hintdesc)) + klass->control_info[i].def = klass->control_info[i].upperbound; + else if (LADSPA_IS_HINT_DEFAULT_0 (hintdesc)) + klass->control_info[i].def = 0.0; + else if (LADSPA_IS_HINT_DEFAULT_1 (hintdesc)) + klass->control_info[i].def = 1.0; + else if (LADSPA_IS_HINT_DEFAULT_100 (hintdesc)) + klass->control_info[i].def = 100.0; + else if (LADSPA_IS_HINT_DEFAULT_440 (hintdesc)) + klass->control_info[i].def = 440.0; + } +#endif /* LADSPA_IS_HINT_HAS_DEFAULT */ + if (LADSPA_IS_PORT_INPUT(desc->PortDescriptors[current_portnum])) { argperms = G_PARAM_READWRITE; klass->control_info[i].writable = TRUE; @@ -288,7 +329,7 @@ gst_ladspa_class_init (GstLADSPAClass *klass) paramspec = g_param_spec_int(argname,argname,argname, (gint)klass->control_info[i].lowerbound, (gint)klass->control_info[i].upperbound, - (gint)klass->control_info[i].lowerbound, argperms); + (gint)klass->control_info[i].def, argperms); } else if (klass->control_info[i].samplerate){ paramspec = g_param_spec_float(argname,argname,argname, 0.0, G_MAXFLOAT, @@ -296,7 +337,7 @@ gst_ladspa_class_init (GstLADSPAClass *klass) } else { paramspec = g_param_spec_float(argname,argname,argname, klass->control_info[i].lowerbound, klass->control_info[i].upperbound, - klass->control_info[i].lowerbound, argperms); + klass->control_info[i].def, argperms); } g_object_class_install_property(G_OBJECT_CLASS(klass), i+ARG_LAST, paramspec); @@ -345,11 +386,7 @@ gst_ladspa_init (GstLADSPA *ladspa) LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i])) { cinfo = oclass->control_info[controlcount]; /* use the lowerbound as the default value if it exists */ - if (cinfo.lower){ - ladspa->controls[controlcount]=cinfo.lowerbound; - } else { - ladspa->controls[controlcount] = 0.0; - } + ladspa->controls[controlcount]=cinfo.def; /* set up dparams for this instance */ if (cinfo.toggled){ @@ -925,8 +962,7 @@ gst_ladspa_chain (GstPad *pad, GstBuffer *buf) } if (num_created_buffers > 0){ - GstBufferPool *bufpool; - bufpool = gst_buffer_pool_get_default (sizeof (LADSPA_Data) * GST_BUFFER_SIZE(buf), ladspa->numbuffers); + ladspa->bufpool = gst_buffer_pool_get_default (sizeof (LADSPA_Data) * GST_BUFFER_SIZE(buf), ladspa->numbuffers); for (i = numsrcpads - num_created_buffers ; i<numsrcpads ; i++){ buffers_out[i] = gst_buffer_new_from_pool (ladspa->bufpool, 0, 0); diff --git a/ext/ladspa/gstladspa.h b/ext/ladspa/gstladspa.h index c7021a62..7b8c9b49 100644 --- a/ext/ladspa/gstladspa.h +++ b/ext/ladspa/gstladspa.h @@ -39,6 +39,7 @@ typedef struct _ladspa_control_info { gchar *name; gchar *param_name; gfloat lowerbound, upperbound; + gfloat def; gboolean lower,upper,samplerate; gboolean toggled, logarithmic, integer, writable; } ladspa_control_info; |