GESAudioTestSource

GESAudioTestSource — produce a simple test waveform or silence

Functions

Types and Values

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GESTimelineElement
            ╰── GESTrackElement
                ╰── GESSource
                    ╰── GESAudioSource
                        ╰── GESAudioTestSource

Implemented Interfaces

GESAudioTestSource implements GESExtractable and GESMetaContainer.

Includes

#include <ges/ges.h>

Description

Outputs a test audio stream using audiotestsrc. The default property values output silence. Useful for testing pipelines, or to fill gaps in an audio track.

Functions

ges_audio_test_source_set_freq ()

void
ges_audio_test_source_set_freq (GESAudioTestSource *self,
                                gdouble freq);

Lets you set the frequency applied on the track element

Parameters

self

a GESAudioTestSource

 

freq

The frequency you want to apply on self

 

ges_audio_test_source_set_volume ()

void
ges_audio_test_source_set_volume (GESAudioTestSource *self,
                                  gdouble volume);

Sets the volume of the test audio signal.

Parameters

self

a GESAudioTestSource

 

volume

The volume you want to apply on self

 

ges_audio_test_source_get_freq ()

double
ges_audio_test_source_get_freq (GESAudioTestSource *self);

Get the current frequency of self .

Parameters

self

a GESAudioTestSource

 

Returns

The current frequency of self .


ges_audio_test_source_get_volume ()

double
ges_audio_test_source_get_volume (GESAudioTestSource *self);

Get the current volume of self .

Parameters

self

a GESAudioTestSource

 

Returns

The current volume of self

Types and Values

GESAudioTestSource

typedef struct _GESAudioTestSource GESAudioTestSource;