Exemplos de BMediaFiles::GetAudioGainFor em C++ (Cpp)

Exemplo n.º 1

Arquivo: SoundsAddon.cpp Projeto: mmanley/Antares

status_t
SoundsThemesAddon::MakeTheme(BMessage &theme, uint32 flags)
{
	BMessage sounds;
	status_t err;
	BMediaFiles bmfs;
	BString item;
	entry_ref entry;
	BEntry ent;
	BPath path;
	float gain;
	
	(void)flags;
	err = MyMessage(theme, sounds);
	if (err)
		sounds.MakeEmpty();
	
	bmfs.RewindRefs(BMediaFiles::B_SOUNDS);
	while (bmfs.GetNextRef(&item, &entry) == B_OK) {
		BMessage msg('SndI');
		path.Unset();
		ent.SetTo(&entry);
		ent.GetPath(&path);
		//printf("\t%s: %s\n", item.String(), path.Path());
		if (path.Path()) {
			msg.AddString("sounds:file", path.Path());
			gain = 1.0;
#if defined(__ANTARES__) || defined(B_BEOS_VERSION_DANO)
			bmfs.GetAudioGainFor(BMediaFiles::B_SOUNDS, item.String(), &gain);
#endif
			msg.AddFloat("sounds:volume", gain);
		}
		sounds.AddMessage(item.String(), &msg);
	}
	
	err = SetMyMessage(theme, sounds);
	return err;
}