BtCmdPatternControlSource: Buzztrax Bt-Core Reference Manual

BtCmdPatternControlSource

BtCmdPatternControlSource — Custom controlsource based on repeated event blocks (BtCmdPatterns).

Functions

Properties

gpointer	default-value	Write
BtMachine *	machine	Read / Write / Construct Only
BtSequence *	sequence	Read / Write / Construct Only
BtSongInfo *	song-info	Read / Write / Construct Only

Types and Values

struct

BtCmdPatternControlSource

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstControlBinding
                ╰── BtCmdPatternControlSource

Includes

#include <libbtcore/core.h>

Description

The control source will update machine parameters over time, based on the events from the sequences and the patterns. One control-source will handle one single parameter. It implements the logic of computing the parameter value for a given time, taking multiple tracks and overlapping patterns into account.

At the begin of the timeline (ts==0) all parameters that have no value in the sequence will be initialized from “default-value”. This is the last value one has set in the ui or via interaction controller.

Functions

bt_cmd_pattern_control_source_new ()

BtCmdPatternControlSource *
bt_cmd_pattern_control_source_new (GstObject *object,
                                   const gchar *property_name,
                                   BtSequence *sequence,
                                   const BtSongInfo *song_info,
                                   const BtMachine *machine);

Create a cmd-pattern control source for the given machine . Use gst_control_source_bind() to attach it to the related parameter of the machine.

Parameters

object	the object of the property
property_name	the property-name to attach the control source
sequence	the songs sequence
song_info	the song info
machine	the machine

Returns

the new cmd-pattern control source

Types and Values

struct BtCmdPatternControlSource

struct BtCmdPatternControlSource;

A pattern based control source

Property Details

The `“default-value”` property

  “default-value”            gpointer

pointer to value to use if no other found.

Owner: BtCmdPatternControlSource

Flags: Write

The `“machine”` property

  “machine”                  BtMachine *

the machine object, the controlsource belongs to.

Owner: BtCmdPatternControlSource

Flags: Read / Write / Construct Only

The `“sequence”` property

  “sequence”                 BtSequence *

the sequence object.

Owner: BtCmdPatternControlSource

Flags: Read / Write / Construct Only

The `“song-info”` property

  “song-info”                BtSongInfo *

the song-info object.

Owner: BtCmdPatternControlSource

Flags: Read / Write / Construct Only