C++ (Cpp) mixer_numvoices Examples

Example #1

File: virtual.c Project: GenericHero/libxmp-3ds

/* virt_on (number of tracks) */
int virt_on(struct context_data *ctx, int num)
{
	struct player_data *p = &ctx->p;
	struct module_data *m = &ctx->m;
	int i;

	p->virt.num_tracks = num;
	num = mixer_numvoices(ctx, -1);

	p->virt.virt_channels = p->virt.num_tracks;

	if (HAS_QUIRK(QUIRK_VIRTUAL)) {
		p->virt.virt_channels += num;
	} else if (num > p->virt.virt_channels) {
		num = p->virt.virt_channels;
	}

	p->virt.maxvoc = mixer_numvoices(ctx, num);

	p->virt.voice_array = calloc(p->virt.maxvoc,
				sizeof(struct mixer_voice));
	if (p->virt.voice_array == NULL)
		goto err;

	for (i = 0; i < p->virt.maxvoc; i++) {
		p->virt.voice_array[i].chn = FREE;
		p->virt.voice_array[i].root = FREE;
	}

	p->virt.virt_channel = malloc(p->virt.virt_channels *
				sizeof(struct virt_channel));
	if (p->virt.virt_channel == NULL)
		goto err1;

	for (i = 0; i < p->virt.virt_channels; i++) {
		p->virt.virt_channel[i].map = FREE;
		p->virt.virt_channel[i].count = 0;
	}

	p->virt.virt_used = 0;

	return 0;

      err1:
	free(p->virt.voice_array);
      err:
	return -1;
}

Example #2

File: virtual.c Project: Nlcke/gideros

void virt_reset(struct context_data *ctx)
{
	struct player_data *p = &ctx->p;
	int i;

	if (p->virt.virt_channels < 1)
		return;

	mixer_numvoices(ctx, p->virt.maxvoc);

	memset(p->virt.voice_array, 0,
	       p->virt.maxvoc * sizeof(struct mixer_voice));
	for (i = 0; i < p->virt.maxvoc; i++) {
		p->virt.voice_array[i].chn = FREE;
		p->virt.voice_array[i].root = FREE;
	}

	for (i = 0; i < p->virt.virt_channels; i++) {
		p->virt.virt_channel[i].map = FREE;
		p->virt.virt_channel[i].count = 0;
	}

	p->virt.virt_used = 0;
}