Exemplo n.º 1
0
int snd_gus_synth_event_input(snd_seq_event_t *ev, int direct, void *private_data, int atomic, int hop)
{
    snd_gus_port_t * p = (snd_gus_port_t *) private_data;

    snd_assert(p != NULL, return -EINVAL);
    if (ev->type >= SNDRV_SEQ_EVENT_SAMPLE &&
            ev->type <= SNDRV_SEQ_EVENT_SAMPLE_PRIVATE1) {
        snd_gus_sample_event(ev, p);
        return 0;
    }
    if (ev->source.client == SNDRV_SEQ_CLIENT_SYSTEM &&
            ev->source.port == SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE) {
        if (ev->type == SNDRV_SEQ_EVENT_CLIENT_EXIT) {
            snd_gus_synth_free_private_instruments(p, ev->data.addr.client);
            return 0;
        }
    }
    if (direct) {
        if (ev->type >= SNDRV_SEQ_EVENT_INSTR_BEGIN) {
            snd_seq_instr_event(&p->gus->gf1.iwffff_ops.kops,
                                p->gus->gf1.ilist,
                                ev,
                                p->gus->gf1.seq_client,
                                atomic, hop);
            return 0;
        }
    }
    return 0;
}
Exemplo n.º 2
0
static int snd_opl3_synth_event_input(struct snd_seq_event * ev, int direct,
				      void *private_data, int atomic, int hop)
{
	struct snd_opl3 *opl3 = private_data;

	if (ev->type >= SNDRV_SEQ_EVENT_INSTR_BEGIN &&
	    ev->type <= SNDRV_SEQ_EVENT_INSTR_CHANGE) {
		if (direct) {
			snd_seq_instr_event(&opl3->fm_ops, opl3->ilist, ev,
					    opl3->seq_client, atomic, hop);
		}
	} else {
		snd_midi_process_event(&opl3_ops, ev, opl3->chset);
	}
	return 0;
}
static int snd_opl3_load_patch_seq_oss(struct snd_seq_oss_arg *arg, int format,
				       const char __user *buf, int offs, int count)
{
	struct snd_opl3 *opl3;
	int err = -EINVAL;

	snd_assert(arg != NULL, return -ENXIO);
	opl3 = arg->private_data;

	if ((format == FM_PATCH) || (format == OPL3_PATCH)) {
		struct sbi_instrument sbi;

		size_t size;
		struct snd_seq_instr_header *put;
		struct snd_seq_instr_data *data;
		struct fm_xinstrument *xinstr;

		struct snd_seq_event ev;
		int i;

		mm_segment_t fs;

		if (count < (int)sizeof(sbi)) {
			snd_printk("FM Error: Patch record too short\n");
			return -EINVAL;
		}
		if (copy_from_user(&sbi, buf, sizeof(sbi)))
			return -EFAULT;

		if (sbi.channel < 0 || sbi.channel >= SBFM_MAXINSTR) {
			snd_printk("FM Error: Invalid instrument number %d\n", sbi.channel);
			return -EINVAL;
		}

		size = sizeof(*put) + sizeof(struct fm_xinstrument);
		put = kzalloc(size, GFP_KERNEL);
		if (put == NULL)
			return -ENOMEM;
		/* build header */
		data = &put->data;
		data->type = SNDRV_SEQ_INSTR_ATYPE_DATA;
		strcpy(data->data.format, SNDRV_SEQ_INSTR_ID_OPL2_3);
		/* build data section */
		xinstr = (struct fm_xinstrument *)(data + 1);
		xinstr->stype = FM_STRU_INSTR;
        
		for (i = 0; i < 2; i++) {
			xinstr->op[i].am_vib = sbi.operators[AM_VIB + i];
			xinstr->op[i].ksl_level = sbi.operators[KSL_LEVEL + i];
			xinstr->op[i].attack_decay = sbi.operators[ATTACK_DECAY + i];
			xinstr->op[i].sustain_release = sbi.operators[SUSTAIN_RELEASE + i];
			xinstr->op[i].wave_select = sbi.operators[WAVE_SELECT + i];
		}
		xinstr->feedback_connection[0] = sbi.operators[CONNECTION];

		if (format == OPL3_PATCH) {
			xinstr->type = FM_PATCH_OPL3;
			for (i = 0; i < 2; i++) {
				xinstr->op[i+2].am_vib = sbi.operators[OFFSET_4OP + AM_VIB + i];
				xinstr->op[i+2].ksl_level = sbi.operators[OFFSET_4OP + KSL_LEVEL + i];
				xinstr->op[i+2].attack_decay = sbi.operators[OFFSET_4OP + ATTACK_DECAY + i];
				xinstr->op[i+2].sustain_release = sbi.operators[OFFSET_4OP + SUSTAIN_RELEASE + i];
				xinstr->op[i+2].wave_select = sbi.operators[OFFSET_4OP + WAVE_SELECT + i];
			}
			xinstr->feedback_connection[1] = sbi.operators[OFFSET_4OP + CONNECTION];
		} else {
			xinstr->type = FM_PATCH_OPL2;
		}

		put->id.instr.std = SNDRV_SEQ_INSTR_TYPE2_OPL2_3;
		put->id.instr.bank = 127;
		put->id.instr.prg = sbi.channel;
		put->cmd = SNDRV_SEQ_INSTR_PUT_CMD_CREATE;

		memset (&ev, 0, sizeof(ev));
		ev.source.client = SNDRV_SEQ_CLIENT_OSS;
		ev.dest = arg->addr; 

		ev.flags = SNDRV_SEQ_EVENT_LENGTH_VARUSR;
		ev.queue = SNDRV_SEQ_QUEUE_DIRECT;

		fs = snd_enter_user();
	__again:
		ev.type = SNDRV_SEQ_EVENT_INSTR_PUT;
		ev.data.ext.len = size;
		ev.data.ext.ptr = put;

		err = snd_seq_instr_event(&opl3->fm_ops, opl3->ilist, &ev,
				    opl3->seq_client, 0, 0);
		if (err == -EBUSY) {
			struct snd_seq_instr_header remove;

			memset (&remove, 0, sizeof(remove));
			remove.cmd = SNDRV_SEQ_INSTR_FREE_CMD_SINGLE;
			remove.id.instr = put->id.instr;

			/* remove instrument */
			ev.type = SNDRV_SEQ_EVENT_INSTR_FREE;
			ev.data.ext.len = sizeof(remove);
			ev.data.ext.ptr = &remove;

			snd_seq_instr_event(&opl3->fm_ops, opl3->ilist, &ev,
					    opl3->seq_client, 0, 0);
			goto __again;
		}
		snd_leave_user(fs);

		kfree(put);
	}
	return err;
}