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/* BSE - Better Sound Engine -*-mode: c;-*-
* Copyright (C) 2003-2004 Tim Janik
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* A copy of the GNU Lesser General Public License should ship along
* with this library; if not, see http://www.gnu.org/copyleft/.
*/
#include <bse/bseplugin.h>
#include <bse/bseprocedure.h>
#include <bse/bsetrack.h>
#include <bse/bsepart.h>
#include <bse/bsesong.h>
#include <bse/bsebus.h>
#include <bse/bseundostack.h>
AUTHORS = "Tim Janik <timj@gtk.org>";
LICENSE = "Copyright (C) 2003 Tim Janik";
METHOD (BseTrack, insert-part) {
HELP = "Insert a part into a track and retrieve the corresponding link id.";
IN = bse_param_spec_object ("track", "Track", NULL,
BSE_TYPE_TRACK, SFI_PARAM_STANDARD);
IN = sfi_pspec_int ("tick", "Tick", NULL,
0, 0, BSE_PART_MAX_TICK - 1, 384, SFI_PARAM_STANDARD);
IN = bse_param_spec_object ("part", "Part", NULL,
BSE_TYPE_PART, SFI_PARAM_STANDARD);
OUT = sfi_pspec_int ("id", "Link ID", NULL,
0, 0, SFI_MAXINT, 1, SFI_PARAM_STANDARD);
}
BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseTrack *self = bse_value_get_object (in_values++);
guint tick = sfi_value_get_int (in_values++);
BsePart *part = bse_value_get_object (in_values++);
guint id;
/* check parameters */
if (!BSE_IS_TRACK (self) || !BSE_IS_PART (part) ||
!BSE_ITEM (self)->parent ||
BSE_ITEM (self)->parent != BSE_ITEM (part)->parent)
return BSE_ERROR_PROC_PARAM_INVAL;
/* action */
id = bse_track_insert_part (self, tick, part);
if (id)
{
/* can't use remove-link() here, since id will have changed after undo */
bse_item_push_undo_proc (self, "remove-tick", tick);
}
/* set output parameters */
g_value_set_int (out_values++, id);
return BSE_ERROR_NONE;
}
METHOD (BseTrack, remove-tick) {
HELP = "Remove a part at specified tick from a track.";
IN = bse_param_spec_object ("track", "Track", NULL,
BSE_TYPE_TRACK, SFI_PARAM_STANDARD);
IN = sfi_pspec_int ("tick", "Tick", NULL,
0, 0, BSE_PART_MAX_TICK - 1, 384, SFI_PARAM_STANDARD);
}
BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseTrack *self = bse_value_get_object (in_values++);
guint tick = sfi_value_get_int (in_values++);
BseTrackEntry *entry;
/* check parameters */
if (!BSE_IS_TRACK (self))
return BSE_ERROR_PROC_PARAM_INVAL;
/* action */
entry = bse_track_lookup_tick (self, tick);
if (entry)
{
bse_item_push_undo_proc (self, "insert-part", entry->tick, entry->part);
bse_track_remove_tick (self, tick);
}
return BSE_ERROR_NONE;
}
METHOD (BseTrack, remove-link) {
HELP = "Remove a specific part link by ID from a track.";
IN = bse_param_spec_object ("track", "Track", NULL,
BSE_TYPE_TRACK, SFI_PARAM_STANDARD);
IN = sfi_pspec_int ("id", "Link ID", NULL,
0, 0, SFI_MAXINT, 384, SFI_PARAM_STANDARD);
}
BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseTrack *self = bse_value_get_object (in_values++);
guint id = sfi_value_get_int (in_values++);
BseTrackEntry *entry;
/* check parameters */
if (!BSE_IS_TRACK (self))
return BSE_ERROR_PROC_PARAM_INVAL;
entry = bse_track_find_link (self, id);
if (!entry)
return BSE_ERROR_PROC_PARAM_INVAL;
/* action */
bse_item_push_undo_proc (self, "insert-part", entry->tick, entry->part);
bse_track_remove_tick (self, entry->tick);
return BSE_ERROR_NONE;
}
METHOD (BseTrack, list-parts) {
HELP = "List parts scheduled in a track, sorted by tick.";
IN = bse_param_spec_object ("track", "Track", NULL,
BSE_TYPE_TRACK, SFI_PARAM_STANDARD);
OUT = bse_param_spec_boxed ("part_list", "Part List", NULL,
BSE_TYPE_TRACK_PART_SEQ, SFI_PARAM_STANDARD);
}
BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseTrack *self = bse_value_get_object (in_values++);
/* check parameters */
if (!BSE_IS_TRACK (self))
return BSE_ERROR_PROC_PARAM_INVAL;
/* action */
bse_value_take_boxed (out_values++, bse_track_list_parts (self));
return BSE_ERROR_NONE;
}
METHOD (BseTrack, list-parts-uniq) {
HELP = "List all parts contained in a track.";
IN = bse_param_spec_object ("track", "Track", NULL,
BSE_TYPE_TRACK, SFI_PARAM_STANDARD);
OUT = bse_param_spec_boxed ("part_list", "Part List", NULL,
BSE_TYPE_ITEM_SEQ, SFI_PARAM_STANDARD); // FIXME: should use BsePartSeq here
}
BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseTrack *self = bse_value_get_object (in_values++);
/* check parameters */
if (!BSE_IS_TRACK (self))
return BSE_ERROR_PROC_PARAM_INVAL;
/* action */
BseTrackPartSeq *tpseq = bse_track_list_parts (self);
SfiRing *ring = NULL;
guint i;
for (i = 0; i < tpseq->n_tparts; i++)
ring = sfi_ring_append (ring, tpseq->tparts[i]->part);
bse_track_part_seq_free (tpseq);
ring = sfi_ring_sort (ring, sfi_pointer_cmp, NULL);
ring = sfi_ring_uniq (ring, sfi_pointer_cmp, NULL);
bse_value_take_boxed (out_values++, bse_item_seq_from_ring (ring));
sfi_ring_free (ring);
return BSE_ERROR_NONE;
}
METHOD (BseTrack, get-part) {
HELP = "Get the part starting at a specific tick position.";
IN = bse_param_spec_object ("track", "Track", NULL,
BSE_TYPE_TRACK, SFI_PARAM_STANDARD);
IN = sfi_pspec_int ("tick", "Tick", NULL,
0, 0, BSE_PART_MAX_TICK - 1, 384, SFI_PARAM_STANDARD);
OUT = bse_param_spec_object ("part", "Part", NULL,
BSE_TYPE_PART, SFI_PARAM_STANDARD);
}
BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseTrack *self = bse_value_get_object (in_values++);
guint tick = sfi_value_get_int (in_values++);
BseTrackEntry *entry;
/* check parameters */
if (!BSE_IS_TRACK (self))
return BSE_ERROR_PROC_PARAM_INVAL;
/* action */
entry = bse_track_lookup_tick (self, tick);
bse_value_set_object (out_values++, entry ? entry->part : NULL);
return BSE_ERROR_NONE;
}
METHOD (BseTrack, get-timing) {
HELP = "Retrieve song timing information at a specific tick.";
IN = bse_param_spec_object ("track", "Track", NULL, BSE_TYPE_TRACK, SFI_PARAM_STANDARD);
IN = sfi_pspec_int ("tick", "Tick", "Tick to retrieve timing info about", 0, 0, G_MAXINT, 384, SFI_PARAM_STANDARD);
OUT = bse_param_spec_boxed ("timing", "Timing", "Song Timing", BSE_TYPE_SONG_TIMING, SFI_PARAM_STANDARD);
} BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseTrack *self = bse_value_get_object (in_values++);
SfiInt tick = sfi_value_get_int (in_values++);
BseItem *parent;
BseSongTiming timing = { 0, };
/* check parameters */
if (!BSE_IS_TRACK (self))
return BSE_ERROR_PROC_PARAM_INVAL;
/* action */
parent = BSE_ITEM (self)->parent;
if (BSE_IS_SONG (parent))
bse_song_get_timing (BSE_SONG (parent), tick, &timing);
else
bse_song_timing_get_default (&timing);
/* set output parameters */
bse_value_set_boxed (out_values++, &timing);
return BSE_ERROR_NONE;
}
METHOD (BseTrack, get-output-source) {
HELP = _("Get the output module for this track. The output of this module is the merged result from "
"all polyphonic voices and has all track specific alterations applied.");
IN = bse_param_spec_object ("track", NULL, NULL,
BSE_TYPE_TRACK, SFI_PARAM_STANDARD);
OUT = bse_param_spec_object ("source", NULL, NULL,
BSE_TYPE_SOURCE, SFI_PARAM_STANDARD);
} BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseTrack *track = bse_value_get_object (in_values++);
BseSource *child = NULL;
/* check parameters */
if (!BSE_IS_TRACK (track))
return BSE_ERROR_PROC_PARAM_INVAL;
/* action */
child = bse_track_get_output (track);
/* set output parameters */
bse_value_set_object (out_values++, child);
return BSE_ERROR_NONE;
}
METHOD (BseTrack, get-last-tick) {
HELP = "Retrieve the last tick for this track.";
IN = bse_param_spec_object ("track", "Track", NULL,
BSE_TYPE_TRACK, SFI_PARAM_STANDARD);
OUT = sfi_pspec_int ("last_tick", "Last Tick", NULL,
0, 0, G_MAXINT, 384, SFI_PARAM_STANDARD);
} BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseTrack *self = bse_value_get_object (in_values++);
/* check parameters */
if (!BSE_IS_TRACK (self))
return BSE_ERROR_PROC_PARAM_INVAL;
/* set output parameters */
sfi_value_set_int (out_values++, bse_track_get_last_tick (self));
return BSE_ERROR_NONE;
}
METHOD (BseTrack, ensure-output) {
HELP = "Ensure the track has an output connection to a bus.";
IN = bse_param_spec_object ("track", "Track", NULL,
BSE_TYPE_TRACK, SFI_PARAM_STANDARD);
OUT = bse_param_spec_genum ("error", NULL, NULL,
BSE_TYPE_ERROR_TYPE, BSE_ERROR_NONE, SFI_PARAM_STANDARD);
} BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseTrack *self = bse_value_get_object (in_values++);
BseErrorType error = BSE_ERROR_NONE;
/* check parameters */
if (!BSE_IS_TRACK (self))
return BSE_ERROR_PROC_PARAM_INVAL;
/* action */
BseItem *parent = BSE_ITEM (self)->parent;
if (BSE_IS_SONG (parent) && !self->bus_outputs)
{
BseSong *song = BSE_SONG (parent);
BseBus *master = bse_song_find_master (song);
if (master)
{
error = bse_bus_connect (master, BSE_ITEM (self));
if (!error)
bse_item_push_undo_proc (master, "disconnect-track", self);
}
}
/* set output parameters */
g_value_set_enum (out_values++, error);
return BSE_ERROR_NONE;
}
|
