GStreamer Buzztard Reference Manual: GstBml

Functions

void	gstbml_calculate_buffer_frames ()
void	gstbml_convert_names ()
void	gstbml_dispose ()
void	gstbml_fix_data ()
void	gstbml_get_param ()
void	gstbml_set_param ()
GParamSpec *	gstbml_register_param ()

Object Hierarchy

Description

Wrapper for buzzmachine sound generators and effects.

Functions

gstbml_calculate_buffer_frames ()

void
gstbml_calculate_buffer_frames (GstBML *bml);

update the buffersize for calculation (in samples) buffer_frames = samples_per_minute/ticks_per_minute

Parameters

bml

bml instance

gstbml_convert_names ()

void
gstbml_convert_names (GObjectClass *klass,
                      gchar *tmp_name,
                      gchar *tmp_desc,
                      gchar **name,
                      gchar **nick,
                      gchar **desc);

Convert charset encoding and make property-names unique.

Parameters

klass	the instance class
tmp_name	name to build `name` and `nick` from
tmp_desc	desc to build `desc` from
name	target for name
nick	target for nick
desc	target for description

gstbml_dispose ()

void
gstbml_dispose (GstBML *bml);

Dispose common buzzmachine data.

Parameters

bml

bml instance

gstbml_fix_data ()

void
gstbml_fix_data (GstElement *elem,
                 GstBuffer *buf,
                 gboolean has_data);

Fixes elements that output denormalized values (sets them to 0.0). Also adjust gap-flags. unfortunately this is quite expensive, although extra gap flags help.

Parameters

elem	the element instance
buf	the data buffer
has_data	indication wheter the buffer has values != 0.0

gstbml_get_param ()

void
gstbml_get_param (GstBMLParameterTypes type,
                  gpointer addr,
                  GValue *value);

Read a parameter according to type from addr into the value .

Parameters

type	parameter type
addr	the address pointing to the value
value	the target

gstbml_set_param ()

void
gstbml_set_param (GstBMLParameterTypes type,
                  gpointer addr,
                  const GValue *value);

Write a parameter according to type to addr from the value .

Parameters

type	parameter type
addr	the address pointing to the value
value	the source

gstbml_register_param ()

GParamSpec *
gstbml_register_param (GObjectClass *klass,
                       gint prop_id,
                       GstBMLParameterTypes type,
                       GType enum_type,
                       gchar *name,
                       gchar *nick,
                       gchar *desc,
                       gint flags,
                       gint min_val,
                       gint max_val,
                       gint no_val,
                       gint def_val);

Normalize data and create a paramspec.

Parameters

klass	the instance class
prop_id	the property number
type	the parameter type
enum_type	the enum type (or 0)
name	the property name
nick	the property nick
desc	the property description
flags	extra property flags
min_val	minimum value
max_val	maximum value
no_val	unset value (neutral)
def_val	default value

Returns

the param spec

GstBml

Functions

Object Hierarchy

Description

Functions

gstbml_calculate_buffer_frames ()

Parameters

gstbml_convert_names ()

Parameters

gstbml_dispose ()

Parameters

gstbml_fix_data ()

Parameters

gstbml_get_param ()

Parameters

gstbml_set_param ()

Parameters

gstbml_register_param ()

Parameters

Returns

Types and Values