Player metadata callbacks. More...

#include <vlc_player.h>

Data Fields
void(*	on_momentary_loudness_changed )(vlc_tick_t date, double momentary_loudness, void *data)
	Called when the momentary loudness measurement have changed.

void(*	on_loudness_changed )(vlc_tick_t date, const struct vlc_audio_loudness loudness, void data)
	Called when loudness measurements have changed.

Detailed Description

Player metadata callbacks.

Warning: To avoid deadlocks, users should never call vlc_player_t functions from these callbacks.

Field Documentation

void(* vlc_player_metadata_cbs::on_loudness_changed) (vlc_tick_t date, const struct vlc_audio_loudness *loudness, void *data)

Called when loudness measurements have changed.

Only sent when audio is playing, approximately every 400ms (but can be higher, depending on the input sample size).

Parameters

date	Absolute date of the measurement. It is most likely in the future (0 to 2seconds) depending on the audio output buffer size.
loudness	loudness measurement
data	opaque pointer set by vlc_player_AddMetadataListener()

void(* vlc_player_metadata_cbs::on_momentary_loudness_changed) (vlc_tick_t date, double momentary_loudness, void *data)

Called when the momentary loudness measurement have changed.

Only sent when audio is playing, approximately every 400ms (but can be higher, depending on the input sample size).

Parameters

date	Absolute date of the measurement. It is most likely in the future (0 to 2seconds) depending on the audio output buffer size.
momentary_loudness	Momentary loudness
data	opaque pointer set by vlc_player_AddMetadataListener()

The documentation for this union was generated from the following file: