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Updated ladspa to work with the new caps nego stuff. Also updated it to work in using a loop function for configurati...
Original commit message from CVS: Updated ladspa to work with the new caps nego stuff. Also updated it to work in any M sinkpads by N srcpads configuration (M > -1 and N > 0), using a loop function for configurations other than M == N == 1 or M == 0.
This commit is contained in:
Leif Johnson
parent
ee06d65064
commit
da4681d83e
2 changed files with 332 additions and 242 deletions
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@ -21,11 +21,9 @@
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#include <string.h>
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#include <math.h>
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//#define DEBUG_ENABLED
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#include "gstladspa.h"
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#include "ladspa.h"
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#include "search.h"
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#include "utils.h"
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#include "ladspa.h" /* main ladspa sdk include file */
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#include "utils.h" /* ladspa sdk utility functions */
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static GstPadTemplate*
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@ -80,35 +78,48 @@ enum {
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ARG_LAST,
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};
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static GstPadTemplate *srctempl, *sinktempl;
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static void gst_ladspa_class_init (GstLADSPAClass *klass);
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static void gst_ladspa_init (GstLADSPA *ladspa);
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//static GstPadNegotiateReturn gst_ladspa_negotiate_sink_mono (GstPad *pad, GstCaps **caps, gpointer *data);
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//static GstPadNegotiateReturn gst_ladspa_negotiate_src_mono (GstPad *pad, GstCaps **caps, gpointer *data);
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//static GstPadNegotiateReturn gst_ladspa_negotiate_src_get_mono (GstPad *pad, GstCaps **caps, gpointer *data);
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static void gst_ladspa_force_caps(GstLADSPA *ladspa, GstPad *pad);
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static GstPadConnectReturn gst_ladspa_connect (GstPad *pad, GstCaps *caps);
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static GstPadConnectReturn gst_ladspa_connect_get (GstPad *pad, GstCaps *caps);
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static void gst_ladspa_force_src_caps (GstLADSPA *ladspa, GstPad *pad);
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static void gst_ladspa_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
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static void gst_ladspa_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
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static gboolean gst_ladspa_instantiate (GstLADSPA *ladspa);
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static void gst_ladspa_activate(GstLADSPA *ladspa);
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static void gst_ladspa_deactivate(GstLADSPA *ladspa);
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static gboolean gst_ladspa_instantiate (GstLADSPA *ladspa);
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static void gst_ladspa_activate (GstLADSPA *ladspa);
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static void gst_ladspa_deactivate (GstLADSPA *ladspa);
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static GstElementStateReturn gst_ladspa_change_state (GstElement *element);
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static void gst_ladspa_loop (GstElement *element);
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static void gst_ladspa_chain_inplace_mono (GstPad *pad,GstBuffer *buf);
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static GstBuffer * gst_ladspa_get_mono(GstPad *pad);
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static GstBuffer * gst_ladspa_get(GstPad *pad);
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static void gst_ladspa_chain_mono (GstPad *pad,GstBuffer *buf);
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static GstBuffer * gst_ladspa_get (GstPad *pad);
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static GstElementClass *parent_class = NULL;
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//static guint gst_ladspa_signals[LAST_SIGNAL] = { 0 };
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static GstPadTemplate *srctempl, *sinktempl;
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/* static guint gst_ladspa_signals[LAST_SIGNAL] = { 0 }; */
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static GstPlugin *ladspa_plugin;
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static GHashTable *ladspa_descriptors;
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static GstBufferPool*
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gst_ladspa_get_bufferpool (GstPad *pad)
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{
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gint i;
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GstBufferPool *bp;
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GstLADSPA *ladspa = gst_pad_get_parent (pad);
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GstLADSPAClass *oclass = (GstLADSPAClass *) (G_OBJECT_GET_CLASS (ladspa));
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if (oclass->numsrcpads > 0)
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for (i=0;i<oclass->numsrcpads;i++)
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if ((bp = gst_pad_get_bufferpool(ladspa->srcpads[0])) != NULL)
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return bp;
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return NULL;
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}
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static void
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gst_ladspa_class_init (GstLADSPAClass *klass)
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{
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@ -119,7 +130,7 @@ gst_ladspa_class_init (GstLADSPAClass *klass)
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gint hintdesc;
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gint argtype,argperms;
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GParamSpec *paramspec = NULL;
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gchar *argname, *tempstr;
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gchar *argname, *tempstr, *paren;
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gobject_class = (GObjectClass*)klass;
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gstelement_class = (GstElementClass*)klass;
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@ -133,7 +144,7 @@ gst_ladspa_class_init (GstLADSPAClass *klass)
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g_param_spec_boolean("loop-based","loop-based","loop-based",
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FALSE,G_PARAM_READWRITE));
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// look up and store the ladspa descriptor
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/* look up and store the ladspa descriptor */
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klass->descriptor = g_hash_table_lookup(ladspa_descriptors,GINT_TO_POINTER(G_TYPE_FROM_CLASS(klass)));
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desc = klass->descriptor;
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@ -143,7 +154,7 @@ gst_ladspa_class_init (GstLADSPAClass *klass)
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klass->numsrcpads = 0;
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klass->numcontrols = 0;
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// walk through the ports, count the input, output and control ports
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/* walk through the ports, count the input, output and control ports */
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for (i=0;i<desc->PortCount;i++) {
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if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i]) &&
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LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i])){
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@ -168,28 +179,30 @@ gst_ladspa_class_init (GstLADSPAClass *klass)
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srccount = 0;
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controlcount = 0;
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// walk through the ports, note the portnums for srcpads, sinkpads and control params
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/* walk through the ports, note the portnums for srcpads, sinkpads and control
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params */
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for (i=0;i<desc->PortCount;i++) {
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if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i]) &&
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LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i])){
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//g_print("input port %d\n", i);
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GST_DEBUG (0, "input port %d\n", i);
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klass->sinkpad_portnums[sinkcount++] = i;
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}
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if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i]) &&
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LADSPA_IS_PORT_OUTPUT(desc->PortDescriptors[i])){
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//g_print("output port %d\n", i);
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GST_DEBUG (0, "output port %d\n", i);
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klass->srcpad_portnums[srccount++] = i;
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}
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if (LADSPA_IS_PORT_CONTROL(desc->PortDescriptors[i]) &&
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LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i])){
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//g_print("control port %d\n", i);
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GST_DEBUG (0, "control port %d\n", i);
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klass->control_portnums[controlcount++] = i;
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}
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}
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// no sink pads - we'll use get mode and add params for samplerate and buffersize
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/* no sink pads - we'll use get mode and add params for samplerate and
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buffersize */
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if (klass->numsinkpads == 0 && klass->numsrcpads > 0){
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g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SAMPLERATE,
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g_param_spec_int("samplerate","samplerate","samplerate",
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@ -200,17 +213,16 @@ gst_ladspa_class_init (GstLADSPAClass *klass)
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}
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// now build the contorl info from the control ports
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/* now build the contorl info from the control ports */
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klass->control_info = g_new0(ladspa_control_info,klass->numcontrols);
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for (i=0;i<klass->numcontrols;i++) {
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current_portnum = klass->control_portnums[i];
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// short name for hint descriptor
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/* short name for hint descriptor */
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hintdesc = desc->PortRangeHints[current_portnum].HintDescriptor;
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// get the various bits
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/* get the various bits */
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if (LADSPA_IS_HINT_TOGGLED(hintdesc))
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klass->control_info[i].toggled = TRUE;
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if (LADSPA_IS_HINT_LOGARITHMIC(hintdesc))
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@ -218,12 +230,12 @@ gst_ladspa_class_init (GstLADSPAClass *klass)
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if (LADSPA_IS_HINT_INTEGER(hintdesc))
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klass->control_info[i].integer = TRUE;
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// figure out the argument details
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/* figure out the argument details */
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if (klass->control_info[i].toggled) argtype = G_TYPE_BOOLEAN;
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else if (klass->control_info[i].integer) argtype = G_TYPE_INT;
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else argtype = G_TYPE_FLOAT;
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// grab the bounds
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/* grab the bounds */
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if (LADSPA_IS_HINT_BOUNDED_BELOW(hintdesc)) {
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klass->control_info[i].lower = TRUE;
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klass->control_info[i].lowerbound =
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@ -254,6 +266,12 @@ gst_ladspa_class_init (GstLADSPAClass *klass)
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klass->control_info[i].name = g_strdup(desc->PortNames[current_portnum]);
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argname = g_strdup(klass->control_info[i].name);
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/* find out if there is a (unitname) at the end of the argname and get rid
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of it */
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paren = g_strrstr (argname, " (");
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if (paren != NULL) {
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*paren = '\0';
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}
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/* this is the same thing that param_spec_* will do */
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g_strcanon (argname, G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "-", '-');
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/* satisfy glib2 (argname[0] must be [A-Za-z]) */
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@ -302,34 +320,33 @@ gst_ladspa_init (GstLADSPA *ladspa)
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desc = oclass->descriptor;
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ladspa->descriptor = oclass->descriptor;
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// allocate the various arrays
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/* allocate the various arrays */
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ladspa->srcpads = g_new0(GstPad*,oclass->numsrcpads);
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ladspa->sinkpads = g_new0(GstPad*,oclass->numsinkpads);
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ladspa->bytestreams = g_new0(GstByteStream*,oclass->numsinkpads);
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ladspa->controls = g_new(gfloat,oclass->numcontrols);
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// walk through the ports and add all the pads
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/* walk through the ports and add all the pads */
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sinkcount = 0;
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srccount = 0;
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controlcount = 0;
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for (i=0;i<desc->PortCount;i++) {
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if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i]) &&
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LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i])) {
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ladspa->sinkpads[sinkcount] = gst_pad_new_from_template
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(sinktempl, (gchar *)desc->PortNames[i]);
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ladspa->sinkpads[sinkcount] = gst_pad_new_from_template (sinktempl, (gchar *)desc->PortNames[i]);
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ladspa->bytestreams[sinkcount] = gst_bytestream_new (ladspa->sinkpads[sinkcount]);
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gst_element_add_pad(GST_ELEMENT(ladspa),ladspa->sinkpads[sinkcount]);
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sinkcount++;
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}
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if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i]) &&
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LADSPA_IS_PORT_OUTPUT(desc->PortDescriptors[i])) {
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ladspa->srcpads[srccount] = gst_pad_new_from_template
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(srctempl, (gchar *)desc->PortNames[i]);
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ladspa->srcpads[srccount] = gst_pad_new_from_template (srctempl, (gchar *)desc->PortNames[i]);
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gst_element_add_pad(GST_ELEMENT(ladspa),ladspa->srcpads[srccount]);
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srccount++;
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}
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if (LADSPA_IS_PORT_CONTROL(desc->PortDescriptors[i]) &&
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LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i])) {
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// use the lowerbound as the default value if it exists
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/* use the lowerbound as the default value if it exists */
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if (oclass->control_info[controlcount].lower){
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ladspa->controls[controlcount]=oclass->control_info[controlcount].lowerbound;
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} else {
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@ -340,89 +357,100 @@ gst_ladspa_init (GstLADSPA *ladspa)
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}
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ladspa->samplerate = 0;
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ladspa->buffersize = 0;
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ladspa->buffersize = 64;
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ladspa->numbuffers = 16;
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ladspa->newcaps = FALSE;
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ladspa->activated = FALSE;
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// mono chain
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if (sinkcount==1 && srccount==1){
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//g_print("inplace mono chain mode\n");
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//gst_pad_set_negotiate_function (ladspa->sinkpads[0], gst_ladspa_negotiate_sink_mono);
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gst_pad_set_chain_function(ladspa->sinkpads[0],gst_ladspa_chain_inplace_mono);
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//gst_pad_set_negotiate_function (ladspa->srcpads[0], gst_ladspa_negotiate_src_mono);
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}
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// mono get (no sink pads)
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if (sinkcount==0 && srccount == 1){
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//g_print("get mode\n");
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ladspa->bufpool = NULL;
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/* we assume srccount > 0 because there are no LADSPA sink elements. */
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if (sinkcount==0) {
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/* get mode (no sink pads) */
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GST_INFO (0, "get mode with %d src pads\n", srccount);
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ladspa->newcaps = TRUE;
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ladspa->samplerate = 44100;
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ladspa->buffersize = 64;
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gst_pad_set_get_function(ladspa->srcpads[0],gst_ladspa_get_mono);
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//gst_pad_set_negotiate_function (ladspa->srcpads[0], gst_ladspa_negotiate_src_get_mono);
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gst_ladspa_instantiate(ladspa);
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}
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// multi srcpad get
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if (sinkcount==0 && srccount > 1){
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//g_print("multi get mode\n");
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ladspa->newcaps = TRUE;
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ladspa->samplerate = 44100;
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ladspa->buffersize = 64;
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gst_pad_set_get_function(ladspa->srcpads[0],gst_ladspa_get);
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//gst_pad_set_negotiate_function (ladspa->srcpads[0], gst_ladspa_negotiate_src_get_mono);
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gst_ladspa_instantiate(ladspa);
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ladspa->buffers = g_new0(GstBuffer*,oclass->numsrcpads);
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}
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for (i=0;i<srccount;i++) {
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gst_pad_set_connect_function (ladspa->srcpads[i], gst_ladspa_connect_get);
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gst_pad_set_get_function (ladspa->srcpads[i], gst_ladspa_get);
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}
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} else if (sinkcount==1 && srccount==1){
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/* mono chain */
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GST_INFO (0, "inplace mono chain mode\n");
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gst_pad_set_connect_function (ladspa->sinkpads[0], gst_ladspa_connect);
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gst_pad_set_chain_function (ladspa->sinkpads[0], gst_ladspa_chain_mono);
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gst_pad_set_bufferpool_function (ladspa->sinkpads[0], gst_ladspa_get_bufferpool);
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} else {
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/* sinkcount>0 and srccount>0 : N sink pads and M src pads */
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GST_INFO (0, "loop mode with %d sink pads and %d src pads\n", sinkcount, srccount);
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for (i=0;i<sinkcount;i++) {
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gst_pad_set_connect_function (ladspa->sinkpads[i], gst_ladspa_connect);
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gst_pad_set_bufferpool_function (ladspa->sinkpads[i], gst_ladspa_get_bufferpool);
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}
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ladspa->loopbased = TRUE;
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gst_element_set_loop_function (ladspa, gst_ladspa_loop);
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}
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gst_ladspa_instantiate(ladspa);
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}
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#if 0
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static GstPadNegotiateReturn
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gst_ladspa_negotiate_src_mono (GstPad *pad, GstCaps **caps, gpointer *data)
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static GstPadConnectReturn
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gst_ladspa_connect (GstPad *pad, GstCaps *caps)
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{
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GstLADSPA *ladspa = (GstLADSPA *) GST_PAD_PARENT (pad);
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GstLADSPAClass *oclass = (GstLADSPAClass *) (G_OBJECT_GET_CLASS (ladspa));
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guint i;
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g_return_val_if_fail (caps != NULL, GST_PAD_CONNECT_DELAYED);
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g_return_val_if_fail (pad != NULL, GST_PAD_CONNECT_DELAYED);
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/* have to instantiate ladspa plugin when samplerate changes (groan) */
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if (ladspa->samplerate != gst_caps_get_int (caps, "rate")){
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ladspa->samplerate = gst_caps_get_int (caps, "rate");
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if (! gst_ladspa_instantiate(ladspa))
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return GST_PAD_CONNECT_REFUSED;
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}
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/* if the caps are fixed, we are going to try to set all srcpads using this
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one caps object. if any of the pads barfs, we'll refuse the connection. i'm
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not sure if this is correct. */
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if (GST_CAPS_IS_FIXED (caps)) {
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for (i=0;i<oclass->numsrcpads;i++) {
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if (! gst_pad_try_set_caps (ladspa->srcpads[i], caps))
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return GST_PAD_CONNECT_REFUSED;
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}
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}
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return GST_PAD_CONNECT_DELAYED;
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}
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static GstPadConnectReturn
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gst_ladspa_connect_get (GstPad *pad, GstCaps *caps)
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{
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GstLADSPA *ladspa = (GstLADSPA*)GST_OBJECT_PARENT (pad);
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// have to instantiate ladspa plugin when samplerate changes (groan)
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if (ladspa->samplerate != gst_caps_get_int (*caps, "rate")){
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ladspa->samplerate = gst_caps_get_int (*caps, "rate");
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if (!gst_ladspa_instantiate(ladspa)) return GST_PAD_NEGOTIATE_FAIL;
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}
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return gst_pad_negotiate_proxy (pad, ladspa->sinkpads[0], caps);
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}
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|
||||
g_return_val_if_fail (caps != NULL, GST_PAD_CONNECT_DELAYED);
|
||||
g_return_val_if_fail (pad != NULL, GST_PAD_CONNECT_DELAYED);
|
||||
|
||||
static GstPadNegotiateReturn
|
||||
gst_ladspa_negotiate_sink_mono (GstPad *pad, GstCaps **caps, gpointer *data)
|
||||
{
|
||||
GstLADSPA *ladspa = (GstLADSPA*)GST_OBJECT_PARENT (pad);
|
||||
|
||||
// have to instantiate ladspa plugin when samplerate changes (groan)
|
||||
if (ladspa->samplerate != gst_caps_get_int (*caps, "rate")){
|
||||
ladspa->samplerate = gst_caps_get_int (*caps, "rate");
|
||||
if (!gst_ladspa_instantiate(ladspa)) return GST_PAD_NEGOTIATE_FAIL;
|
||||
if (ladspa->samplerate != gst_caps_get_int (caps, "rate")) {
|
||||
ladspa->samplerate = gst_caps_get_int (caps, "rate");
|
||||
if (! gst_ladspa_instantiate(ladspa))
|
||||
return GST_PAD_CONNECT_REFUSED;
|
||||
}
|
||||
return gst_pad_negotiate_proxy (pad, ladspa->srcpads[0], caps);
|
||||
}
|
||||
|
||||
static GstPadNegotiateReturn
|
||||
gst_ladspa_negotiate_src_get_mono (GstPad *pad, GstCaps **caps, gpointer *data)
|
||||
{
|
||||
GstLADSPA *ladspa;
|
||||
//g_print("gst_ladspa_negotiate_src_get_mono\n");
|
||||
if (*caps) {
|
||||
g_return_val_if_fail (pad != NULL, GST_PAD_NEGOTIATE_FAIL);
|
||||
ladspa = (GstLADSPA*)GST_OBJECT_PARENT (pad);
|
||||
ladspa->samplerate = gst_caps_get_int (*caps, "rate");
|
||||
if (!gst_ladspa_instantiate(ladspa)) return GST_PAD_NEGOTIATE_FAIL;
|
||||
return GST_PAD_NEGOTIATE_AGREE;
|
||||
}
|
||||
return GST_PAD_NEGOTIATE_FAIL;
|
||||
return GST_PAD_CONNECT_DELAYED;
|
||||
}
|
||||
#endif
|
||||
|
||||
static void
|
||||
gst_ladspa_force_caps(GstLADSPA *ladspa, GstPad *pad) {
|
||||
|
||||
// g_print("forcing caps\n");
|
||||
gst_ladspa_force_src_caps(GstLADSPA *ladspa, GstPad *pad)
|
||||
{
|
||||
GST_DEBUG (0, "forcing caps\n");
|
||||
gst_pad_try_set_caps (pad, gst_caps_new (
|
||||
"ladspa_src_caps",
|
||||
"audio/raw",
|
||||
|
|
@ -448,7 +476,7 @@ gst_ladspa_set_property (GObject *object, guint prop_id, const GValue *value, GP
|
|||
ladspa_control_info *control_info;
|
||||
gfloat val=0.0;
|
||||
|
||||
// these are only registered in get mode
|
||||
/* these are only registered in get mode */
|
||||
switch (prop_id) {
|
||||
case ARG_SAMPLERATE:
|
||||
ladspa->samplerate = g_value_get_int (value);
|
||||
|
|
@ -459,8 +487,8 @@ gst_ladspa_set_property (GObject *object, guint prop_id, const GValue *value, GP
|
|||
break;
|
||||
}
|
||||
|
||||
// is it a ladspa plugin arg?
|
||||
if (cid<0) return;
|
||||
/* is it a ladspa plugin arg? */
|
||||
if (cid < 0) return;
|
||||
|
||||
/*
|
||||
if (id == ARG_LOOP_BASED) {
|
||||
|
|
@ -477,18 +505,16 @@ gst_ladspa_set_property (GObject *object, guint prop_id, const GValue *value, GP
|
|||
|
||||
oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS (object));
|
||||
|
||||
// verify it exists and is a control (not a port)
|
||||
/* verify it exists and is a control (not a port) */
|
||||
g_return_if_fail(cid < oclass->numcontrols);
|
||||
|
||||
control_info = &(oclass->control_info[cid]);
|
||||
g_return_if_fail (control_info->name != NULL);
|
||||
|
||||
// check to see if it's writable
|
||||
/* check to see if it's writable */
|
||||
g_return_if_fail (control_info->writable);
|
||||
|
||||
// g_print("set arg %s to %f\n",control_info->name,ladspa->controls[cid]);
|
||||
|
||||
// now see what type it is
|
||||
/* now see what type it is */
|
||||
if (control_info->toggled) {
|
||||
if (g_value_get_boolean (value))
|
||||
ladspa->controls[cid] = 1.0;
|
||||
|
|
@ -501,6 +527,8 @@ gst_ladspa_set_property (GObject *object, guint prop_id, const GValue *value, GP
|
|||
val = g_value_get_float (value);
|
||||
ladspa->controls[cid] = val;
|
||||
}
|
||||
|
||||
GST_DEBUG (0, "set arg %s to %f\n", control_info->name, ladspa->controls[cid]);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -511,7 +539,7 @@ gst_ladspa_get_property (GObject *object, guint prop_id, GValue *value, GParamSp
|
|||
GstLADSPAClass *oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS (object));
|
||||
ladspa_control_info *control_info;
|
||||
|
||||
// these are only registered in get mode
|
||||
/* these are only registered in get mode */
|
||||
switch (prop_id){
|
||||
case ARG_SAMPLERATE:
|
||||
g_value_set_int (value, ladspa->samplerate);
|
||||
|
|
@ -521,15 +549,16 @@ gst_ladspa_get_property (GObject *object, guint prop_id, GValue *value, GParamSp
|
|||
break;
|
||||
}
|
||||
|
||||
if (cid<0) return;
|
||||
// verify it exists and is a control (not a port)
|
||||
if (cid < 0) return;
|
||||
|
||||
/* verify it exists and is a control (not a port) */
|
||||
if (cid >= oclass->numcontrols) return;
|
||||
control_info = &(oclass->control_info[cid]);
|
||||
if (control_info->name == NULL) return;
|
||||
|
||||
//g_print("got arg %s as %f\n",control_info->name,ladspa->controls[cid]);
|
||||
GST_DEBUG (0, "got arg %s as %f\n", control_info->name, ladspa->controls[cid]);
|
||||
|
||||
// now see what type it is
|
||||
/* now see what type it is */
|
||||
if (control_info->toggled) {
|
||||
if (ladspa->controls[cid] == 1.0)
|
||||
g_value_set_boolean (value, TRUE);
|
||||
|
|
@ -552,27 +581,29 @@ gst_ladspa_instantiate (GstLADSPA *ladspa)
|
|||
|
||||
desc = ladspa->descriptor;
|
||||
|
||||
// check for old handle
|
||||
/* check for old handle */
|
||||
was_activated = ladspa->activated;
|
||||
if (ladspa->handle != NULL){
|
||||
gst_ladspa_deactivate(ladspa);
|
||||
desc->cleanup(ladspa->handle);
|
||||
}
|
||||
|
||||
// instantiate the plugin
|
||||
/* instantiate the plugin */
|
||||
GST_DEBUG (0, "instantiating the plugin\n");
|
||||
|
||||
ladspa->handle = desc->instantiate(desc,ladspa->samplerate);
|
||||
g_return_val_if_fail (ladspa->handle != NULL, FALSE);
|
||||
|
||||
// walk through the ports and add all the arguments
|
||||
/* walk through the ports and add all the arguments */
|
||||
for (i=0;i<oclass->numcontrols;i++) {
|
||||
// connect the argument to the plugin
|
||||
//g_print("added control port %d\n", oclass->control_portnums[i]);
|
||||
/* connect the argument to the plugin */
|
||||
GST_DEBUG (0, "added control port %d\n", oclass->control_portnums[i]);
|
||||
desc->connect_port(ladspa->handle,
|
||||
oclass->control_portnums[i],
|
||||
&(ladspa->controls[i]));
|
||||
}
|
||||
|
||||
// reactivate if it was activated before the reinstantiation
|
||||
/* reactivate if it was activated before the reinstantiation */
|
||||
if (was_activated){
|
||||
gst_ladspa_activate(ladspa);
|
||||
}
|
||||
|
|
@ -584,10 +615,9 @@ gst_ladspa_change_state (GstElement *element)
|
|||
{
|
||||
LADSPA_Descriptor *desc;
|
||||
GstLADSPA *ladspa = (GstLADSPA*)element;
|
||||
// GstLADSPAClass *oclass = (GstLADSPAClass*)(G_OBJECT(ladspa)->klass);
|
||||
desc = ladspa->descriptor;
|
||||
|
||||
//g_print("changing state\n");
|
||||
GST_DEBUG (0, "changing state\n");
|
||||
switch (GST_STATE_TRANSITION (element)) {
|
||||
case GST_STATE_NULL_TO_READY:
|
||||
gst_ladspa_activate(ladspa);
|
||||
|
|
@ -615,13 +645,13 @@ gst_ladspa_activate(GstLADSPA *ladspa)
|
|||
gst_ladspa_deactivate(ladspa);
|
||||
}
|
||||
|
||||
//g_print("activating\n");
|
||||
GST_DEBUG (0, "activating\n");
|
||||
|
||||
// activate the plugin (function might be null)
|
||||
if (desc->activate != NULL){
|
||||
/* activate the plugin (function might be null) */
|
||||
if (desc->activate != NULL) {
|
||||
desc->activate(ladspa->handle);
|
||||
}
|
||||
|
||||
|
||||
ladspa->activated = TRUE;
|
||||
}
|
||||
|
||||
|
|
@ -631,45 +661,120 @@ gst_ladspa_deactivate(GstLADSPA *ladspa)
|
|||
LADSPA_Descriptor *desc;
|
||||
desc = ladspa->descriptor;
|
||||
|
||||
//g_print("deactivating\n");
|
||||
GST_DEBUG (0, "deactivating\n");
|
||||
|
||||
// deactivate the plugin (function might be null)
|
||||
if (ladspa->activated && desc->deactivate != NULL){
|
||||
/* deactivate the plugin (function might be null) */
|
||||
if (ladspa->activated && (desc->deactivate != NULL)) {
|
||||
desc->deactivate(ladspa->handle);
|
||||
}
|
||||
|
||||
ladspa->activated = FALSE;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_ladspa_loop (GstElement *element)
|
||||
{
|
||||
int i;
|
||||
GstLADSPA *ladspa = (GstLADSPA *)element;
|
||||
GstLADSPAClass *oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS (ladspa));
|
||||
LADSPA_Descriptor *desc;
|
||||
gint8 *raw_in, *zero_out, i, cur_buf;
|
||||
GstBuffer **buffers_out;
|
||||
GstEvent *event = NULL;
|
||||
guint32 waiting;
|
||||
LADSPA_Data **data_in, *data_out;
|
||||
unsigned long size;
|
||||
|
||||
desc = ladspa->descriptor;
|
||||
printf("looping something\n");
|
||||
GstLADSPA *ladspa = (GstLADSPA *)element;
|
||||
GstLADSPAClass *oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS (ladspa));
|
||||
LADSPA_Descriptor *desc = ladspa->descriptor;
|
||||
|
||||
// first get all the necessary data from the input ports
|
||||
for (i=0;i<oclass->numsinkpads;i++){
|
||||
ladspa->buffers[i] = gst_pad_pull(ladspa->sinkpads[i]);
|
||||
printf("pulling buffer %d\n", i);
|
||||
data_in = g_new0(LADSPA_Data *, oclass->numsinkpads);
|
||||
buffers_out = g_new0(GstBuffer *, oclass->numsrcpads);
|
||||
|
||||
/* set up the bufferpool first if necessary */
|
||||
i = 0;
|
||||
while ((ladspa->bufpool == NULL) && (i < oclass->numsrcpads)) {
|
||||
ladspa->bufpool = gst_pad_get_bufferpool (ladspa->srcpads[i++]);
|
||||
}
|
||||
if (ladspa->bufpool == NULL) {
|
||||
ladspa->bufpool = gst_buffer_pool_get_default (sizeof (LADSPA_Data) * ladspa->buffersize,
|
||||
ladspa->numbuffers);
|
||||
}
|
||||
|
||||
/* since this is a loop element, we just loop here til things fall apart. */
|
||||
do {
|
||||
|
||||
/* first get all the necessary data from the input ports */
|
||||
for (i=0;i<oclass->numsinkpads;i++){
|
||||
GST_DEBUG (0, "pulling %d bytes through channel %d's bytestream\n", i);
|
||||
raw_in = gst_bytestream_peek_bytes (ladspa->bytestreams[i], ladspa->buffersize * sizeof (LADSPA_Data));
|
||||
|
||||
if (raw_in == NULL) {
|
||||
/* we need to check for an event. */
|
||||
gst_bytestream_get_status (ladspa->bytestreams[i], &waiting, &event);
|
||||
|
||||
if (event) {
|
||||
if (GST_EVENT_TYPE(event) == GST_EVENT_EOS) {
|
||||
/* if we get an EOS event from one of our sink pads, we assume that
|
||||
pad's finished handling data. delete the bytestream, free up the
|
||||
pad, and free up the memory associated with the input channel. */
|
||||
GST_DEBUG (0, "got an EOS event on sinkpad %d\n", i);
|
||||
}
|
||||
|
||||
/* we need to create some zeroed out data to feed to this port of the
|
||||
ladspa filter. */
|
||||
data_in[i] = g_new0 (LADSPA_Data, ladspa->buffersize * sizeof (LADSPA_Data));
|
||||
} else {
|
||||
/* copy the retrieved data and bind the ladspa src port to the data */
|
||||
data_in[i] = (LADSPA_Data *) raw_in;
|
||||
}
|
||||
}
|
||||
|
||||
raw_in = NULL;
|
||||
desc->connect_port (ladspa->handle, oclass->sinkpad_portnums[i], data_in[i]);
|
||||
gst_bytestream_flush (ladspa->bytestreams[i], ladspa->buffersize * sizeof (LADSPA_Data));
|
||||
}
|
||||
|
||||
/* now set up the output ports */
|
||||
for (i=0;i<oclass->numsrcpads;i++) {
|
||||
buffers_out[i] = (GstBuffer *) gst_buffer_new_from_pool (ladspa->bufpool, 0, 0);
|
||||
|
||||
if (buffers_out[i] == NULL)
|
||||
GST_ERROR (0, "could not get new output buffer for srcpad %d !\n", i);
|
||||
|
||||
data_out = (LADSPA_Data *) GST_BUFFER_DATA (buffers_out[i]);
|
||||
size = GST_BUFFER_SIZE (buffers_out[i]);
|
||||
GST_BUFFER_TIMESTAMP (buffers_out[i]) = ladspa->timestamp;
|
||||
|
||||
/* initialize the output data to 0 */
|
||||
zero_out = (gint8 *) GST_BUFFER_DATA (buffers_out[i]);
|
||||
for (i = 0; i < size; i++)
|
||||
zero_out[i] = 0;
|
||||
|
||||
desc->connect_port (ladspa->handle, oclass->srcpad_portnums[i], data_out);
|
||||
}
|
||||
|
||||
/* i'm not sure if this will work ; the number of samples might be
|
||||
nonconstant across sources and sinks ... */
|
||||
desc->run (ladspa->handle, ladspa->buffersize);
|
||||
|
||||
/* now go through and reset the ladspa ports, pushing out the output buffers
|
||||
at the same time. */
|
||||
for (i=0;i<oclass->numsinkpads;i++) {
|
||||
desc->connect_port (ladspa->handle, oclass->sinkpad_portnums[i], NULL);
|
||||
}
|
||||
for (i=0;i<oclass->numsrcpads;i++) {
|
||||
GST_DEBUG (0, "pushing buffer (%p) on src pad %d\n", buffers_out[i], i);
|
||||
gst_pad_push (ladspa->srcpads[i], buffers_out[i]);
|
||||
buffers_out[i] = NULL;
|
||||
desc->connect_port (ladspa->handle, oclass->srcpad_portnums[i], NULL);
|
||||
}
|
||||
|
||||
for (i=0;i<oclass->numsinkpads;i++) {
|
||||
// desc->connect_port(ladspa->handle,i,&(ladspa->controls[i]));
|
||||
}
|
||||
ladspa->timestamp += ladspa->buffersize * ladspa->samplerate * 10^9;
|
||||
} while (TRUE);
|
||||
|
||||
for (i=0;i<oclass->numsrcpads && i<oclass->numsinkpads;i++){
|
||||
printf("pushing buffer %d\n", i);
|
||||
gst_pad_push (ladspa->srcpads[i], ladspa->buffers[i]);
|
||||
ladspa->buffers[i] = NULL;
|
||||
}
|
||||
g_free (buffers_out);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_ladspa_chain_inplace_mono (GstPad *pad,GstBuffer *buf)
|
||||
gst_ladspa_chain_mono (GstPad *pad, GstBuffer *buf)
|
||||
{
|
||||
LADSPA_Descriptor *desc;
|
||||
LADSPA_Data *data;
|
||||
|
|
@ -685,64 +790,28 @@ gst_ladspa_chain_inplace_mono (GstPad *pad,GstBuffer *buf)
|
|||
ladspa = (GstLADSPA *)gst_pad_get_parent (pad);
|
||||
g_return_if_fail(ladspa != NULL);
|
||||
|
||||
// this might happen if caps nego hasn't happened
|
||||
/* this might happen if caps nego hasn't happened */
|
||||
g_return_if_fail(ladspa->handle != NULL);
|
||||
|
||||
oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS (ladspa));
|
||||
data=(LADSPA_Data*)GST_BUFFER_DATA(buf);
|
||||
num_samples = GST_BUFFER_SIZE(buf) / sizeof(gfloat);
|
||||
if (! GST_IS_EVENT (buf)) {
|
||||
oclass = (GstLADSPAClass *) (G_OBJECT_GET_CLASS (ladspa));
|
||||
data = (LADSPA_Data *) GST_BUFFER_DATA(buf);
|
||||
num_samples = GST_BUFFER_SIZE(buf) / sizeof(gfloat);
|
||||
|
||||
desc = ladspa->descriptor;
|
||||
desc = ladspa->descriptor;
|
||||
|
||||
desc->connect_port(ladspa->handle,oclass->sinkpad_portnums[0],data);
|
||||
desc->connect_port(ladspa->handle,oclass->srcpad_portnums[0],data);
|
||||
/* we know that we're dealing here with a filter that has one sink and one
|
||||
src pad. */
|
||||
desc->connect_port(ladspa->handle,oclass->sinkpad_portnums[0],data);
|
||||
desc->connect_port(ladspa->handle,oclass->srcpad_portnums[0],data);
|
||||
|
||||
desc->run(ladspa->handle,num_samples);
|
||||
desc->run(ladspa->handle,num_samples);
|
||||
|
||||
desc->connect_port(ladspa->handle,oclass->sinkpad_portnums[0],NULL);
|
||||
desc->connect_port(ladspa->handle,oclass->srcpad_portnums[0],NULL);
|
||||
|
||||
gst_pad_push (ladspa->srcpads[0], buf);
|
||||
}
|
||||
|
||||
static GstBuffer *
|
||||
gst_ladspa_get_mono(GstPad *pad)
|
||||
{
|
||||
LADSPA_Descriptor *desc;
|
||||
LADSPA_Data *data;
|
||||
|
||||
GstLADSPA *ladspa;
|
||||
GstLADSPAClass *oclass;
|
||||
GstBuffer *buf;
|
||||
|
||||
g_return_val_if_fail(pad != NULL, NULL);
|
||||
g_return_val_if_fail(GST_IS_PAD(pad), NULL);
|
||||
|
||||
ladspa = (GstLADSPA *)gst_pad_get_parent (pad);
|
||||
g_return_val_if_fail(ladspa != NULL, NULL);
|
||||
|
||||
// this might happen if caps nego hasn't happened
|
||||
g_return_val_if_fail(ladspa->handle != NULL, NULL);
|
||||
|
||||
oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS(ladspa));
|
||||
|
||||
if (ladspa->newcaps) {
|
||||
gst_ladspa_force_caps(ladspa, ladspa->srcpads[0]);
|
||||
desc->connect_port(ladspa->handle,oclass->sinkpad_portnums[0],NULL);
|
||||
desc->connect_port(ladspa->handle,oclass->srcpad_portnums[0],NULL);
|
||||
}
|
||||
|
||||
buf = gst_buffer_new();
|
||||
g_return_val_if_fail (buf, NULL);
|
||||
data = g_new(LADSPA_Data, ladspa->buffersize);
|
||||
GST_BUFFER_DATA(buf) = (gpointer) data;
|
||||
GST_BUFFER_SIZE(buf) = sizeof(LADSPA_Data) * ladspa->buffersize;
|
||||
GST_BUFFER_TIMESTAMP(buf) = ladspa->timestamp;
|
||||
|
||||
desc = ladspa->descriptor;
|
||||
desc->connect_port(ladspa->handle,oclass->srcpad_portnums[0],data);
|
||||
desc->run(ladspa->handle,(unsigned long)ladspa->buffersize);
|
||||
desc->connect_port(ladspa->handle,oclass->srcpad_portnums[0],NULL);
|
||||
|
||||
return buf;
|
||||
gst_pad_push (ladspa->srcpads[0], buf);
|
||||
}
|
||||
|
||||
static GstBuffer *
|
||||
|
|
@ -755,34 +824,60 @@ gst_ladspa_get(GstPad *pad)
|
|||
GstLADSPAClass *oclass;
|
||||
GstBuffer *buf;
|
||||
|
||||
gint8 i, *zero_out;
|
||||
unsigned long size;
|
||||
|
||||
g_return_val_if_fail(pad != NULL, NULL);
|
||||
g_return_val_if_fail(GST_IS_PAD(pad), NULL);
|
||||
|
||||
ladspa = (GstLADSPA *)gst_pad_get_parent (pad);
|
||||
g_return_val_if_fail(ladspa != NULL, NULL);
|
||||
|
||||
// this might happen if caps nego hasn't happened
|
||||
/* this might happen if caps nego hasn't happened */
|
||||
g_return_val_if_fail(ladspa->handle != NULL, NULL);
|
||||
|
||||
oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS(ladspa));
|
||||
|
||||
|
||||
/* force all src pads to set their caps */
|
||||
if (ladspa->newcaps) {
|
||||
gst_ladspa_force_caps(ladspa, ladspa->srcpads[0]);
|
||||
for (i=0;i<oclass->numsrcpads;i++) {
|
||||
gst_ladspa_force_src_caps(ladspa, ladspa->srcpads[0]);
|
||||
}
|
||||
}
|
||||
|
||||
/* get a bufferpool */
|
||||
i = 0;
|
||||
while ((ladspa->bufpool == NULL) && (i < oclass->numsrcpads)) {
|
||||
ladspa->bufpool = gst_pad_get_bufferpool (ladspa->srcpads[i++]);
|
||||
}
|
||||
if (ladspa->bufpool == NULL) {
|
||||
ladspa->bufpool = gst_buffer_pool_get_default (sizeof (LADSPA_Data) * ladspa->buffersize,
|
||||
ladspa->numbuffers);
|
||||
}
|
||||
|
||||
buf = gst_buffer_new();
|
||||
buf = (GstBuffer *) gst_buffer_new_from_pool (ladspa->bufpool, 0, 0);
|
||||
g_return_val_if_fail (buf, NULL);
|
||||
data = g_new(LADSPA_Data, ladspa->buffersize);
|
||||
GST_BUFFER_DATA(buf) = (gpointer) data;
|
||||
GST_BUFFER_SIZE(buf) = sizeof(LADSPA_Data) * ladspa->buffersize;
|
||||
|
||||
/* initialize the output data to 0 */
|
||||
zero_out = (gint8 *) GST_BUFFER_DATA (buf);
|
||||
for (i = 0; i < GST_BUFFER_SIZE (buf); i++)
|
||||
zero_out[i] = 0;
|
||||
|
||||
data = (LADSPA_Data *) GST_BUFFER_DATA(buf);
|
||||
size = GST_BUFFER_SIZE(buf);
|
||||
GST_BUFFER_TIMESTAMP(buf) = ladspa->timestamp;
|
||||
ladspa->timestamp+= ladspa->buffersize * ladspa->samplerate * 10^9;
|
||||
ladspa->timestamp += size * ladspa->samplerate * 10^9;
|
||||
|
||||
desc = ladspa->descriptor;
|
||||
desc->connect_port(ladspa->handle,oclass->srcpad_portnums[0],data);
|
||||
desc->run(ladspa->handle,(unsigned long)ladspa->buffersize);
|
||||
desc->connect_port(ladspa->handle,oclass->srcpad_portnums[0],NULL);
|
||||
|
||||
|
||||
for (i=0;i<oclass->numsrcpads;i++)
|
||||
desc->connect_port(ladspa->handle,oclass->srcpad_portnums[i],data);
|
||||
|
||||
desc->run(ladspa->handle, size);
|
||||
|
||||
for (i=0;i<oclass->numsrcpads;i++)
|
||||
desc->connect_port(ladspa->handle,oclass->srcpad_portnums[i],NULL);
|
||||
|
||||
return buf;
|
||||
}
|
||||
|
||||
|
|
@ -796,7 +891,8 @@ ladspa_describe_plugin(const char *pcFullFilename,
|
|||
|
||||
GstElementDetails *details;
|
||||
GTypeInfo typeinfo = {
|
||||
sizeof(GstLADSPAClass), NULL,
|
||||
sizeof(GstLADSPAClass),
|
||||
NULL,
|
||||
NULL,
|
||||
(GClassInitFunc)gst_ladspa_class_init,
|
||||
NULL,
|
||||
|
|
@ -808,23 +904,23 @@ ladspa_describe_plugin(const char *pcFullFilename,
|
|||
GType type;
|
||||
GstElementFactory *factory;
|
||||
|
||||
// walk through all the plugins in this pluginlibrary
|
||||
/* walk through all the plugins in this pluginlibrary */
|
||||
i = 0;
|
||||
while ((desc = pfDescriptorFunction(i++))) {
|
||||
gchar *type_name;
|
||||
|
||||
// construct the type
|
||||
/* construct the type */
|
||||
type_name = g_strdup_printf("ladspa_%s",desc->Label);
|
||||
g_strcanon (type_name, G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "-_+", '-');
|
||||
// if it's already registered, drop it
|
||||
/* if it's already registered, drop it */
|
||||
if (g_type_from_name(type_name)) {
|
||||
g_free(type_name);
|
||||
continue;
|
||||
}
|
||||
// create the type now
|
||||
type = g_type_register_static(GST_TYPE_ELEMENT, type_name , &typeinfo, 0);
|
||||
/* create the type now */
|
||||
type = g_type_register_static(GST_TYPE_ELEMENT, type_name, &typeinfo, 0);
|
||||
|
||||
// construct the element details struct
|
||||
/* construct the element details struct */
|
||||
details = g_new0(GstElementDetails,1);
|
||||
details->longname = g_strdup(desc->Name);
|
||||
details->klass = "Filter/LADSPA";
|
||||
|
|
@ -833,18 +929,18 @@ ladspa_describe_plugin(const char *pcFullFilename,
|
|||
details->author = g_strdup(desc->Maker);
|
||||
details->copyright = g_strdup(desc->Copyright);
|
||||
|
||||
// register the plugin with gstreamer
|
||||
/* register the plugin with gstreamer */
|
||||
factory = gst_elementfactory_new(type_name,type,details);
|
||||
g_return_if_fail(factory != NULL);
|
||||
gst_plugin_add_feature (ladspa_plugin, GST_PLUGIN_FEATURE (factory));
|
||||
|
||||
// add this plugin to the hash
|
||||
/* add this plugin to the hash */
|
||||
g_hash_table_insert(ladspa_descriptors,
|
||||
GINT_TO_POINTER(type),
|
||||
(gpointer)desc);
|
||||
|
||||
|
||||
// only add sink padtemplate if there are sinkpads
|
||||
/* only add sink padtemplate if there are sinkpads */
|
||||
for (j=0;j<desc->PortCount;j++) {
|
||||
if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[j]) &&
|
||||
LADSPA_IS_PORT_INPUT(desc->PortDescriptors[j])) {
|
||||
|
|
@ -863,7 +959,6 @@ ladspa_describe_plugin(const char *pcFullFilename,
|
|||
static gboolean
|
||||
plugin_init (GModule *module, GstPlugin *plugin)
|
||||
{
|
||||
|
||||
ladspa_descriptors = g_hash_table_new(NULL,NULL);
|
||||
parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
|
||||
|
||||
|
|
@ -871,6 +966,11 @@ plugin_init (GModule *module, GstPlugin *plugin)
|
|||
|
||||
LADSPAPluginSearch(ladspa_describe_plugin);
|
||||
|
||||
if (! gst_library_load ("gstbytestream")) {
|
||||
gst_info ("gstladspa: could not load support library: 'gstbytestream'\n");
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -26,6 +26,7 @@
|
|||
|
||||
#include <config.h>
|
||||
#include <gst/gst.h>
|
||||
#include <gst/bytestream/bytestream.h>
|
||||
|
||||
#include "ladspa.h"
|
||||
|
||||
|
|
@ -34,19 +35,6 @@
|
|||
extern "C" {
|
||||
#endif /* __cplusplus */
|
||||
|
||||
/*
|
||||
#define GST_TYPE_LADSPA \
|
||||
(gst_ladspa_get_type())
|
||||
#define GST_LADSPA(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_LADSPA,GstLADSPA))
|
||||
#define GST_LADSPA_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_LADSPA,GstLADSPA))
|
||||
#define GST_IS_LADSPA(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_LADSPA))
|
||||
#define GST_IS_LADSPA_CLASS(obj) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_LADSPA))
|
||||
*/
|
||||
|
||||
typedef struct _ladspa_control_info {
|
||||
gchar *name;
|
||||
gfloat lowerbound, upperbound;
|
||||
|
|
@ -67,12 +55,14 @@ struct _GstLADSPA {
|
|||
|
||||
GstPad **sinkpads,
|
||||
**srcpads;
|
||||
|
||||
GstByteStream **bytestreams;
|
||||
|
||||
GstBuffer **buffers;
|
||||
GstBufferPool *bufpool;
|
||||
|
||||
gboolean loopbased, newcaps, activated;
|
||||
|
||||
gint samplerate, buffersize;
|
||||
gint samplerate, buffersize, numbuffers;
|
||||
gulong timestamp;
|
||||
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in a new issue