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jack: convert sequence to midi events

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This commit is contained in:
Wim Taymans 2018-10-29 14:29:59 +00:00
parent 1ffee101fb
commit 73888460cb
1 changed files with 75 additions and 19 deletions
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94
src/pipewire-jack.c
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@ -662,7 +662,7 @@ static void reuse_buffer(struct client *c, struct mix *mix, uint32_t id)
}
static void convert_midi(void *midi, void *buffer, size_t size)
static void convert_from_midi(void *midi, void *buffer, size_t size)
{
struct spa_pod_builder b = { 0, };
uint32_t i, count;
@ -681,6 +681,24 @@ static void convert_midi(void *midi, void *buffer, size_t size)
spa_pod_builder_pop(&b);
}
static void convert_to_midi(struct spa_pod_sequence *seq, void *midi)
{
struct spa_pod_control *c;
jack_midi_reset_buffer(midi);
SPA_POD_SEQUENCE_FOREACH(seq, c) {
switch(c->type) {
case SPA_CONTROL_Midi:
jack_midi_event_write(midi,
c->offset,
SPA_POD_BODY(&c->value),
SPA_POD_BODY_SIZE(&c->value));
break;
}
}
}
static void process_tee(struct client *c)
{
struct port *p;
@ -690,7 +708,7 @@ static void process_tee(struct client *c)
spa_list_for_each(mix, &p->mix, port_link) {
if (mix->notify == NULL)
continue;
convert_midi(p->empty, mix->notify, mix->notify_size);
convert_from_midi(p->empty, mix->notify, mix->notify_size);
break;
}
}
@ -2179,6 +2197,54 @@ static void add_f32(float *out, float *in1, float *in2, int n_samples)
out[i] = in1[i] + in2[i];
}
static void *mix_audio(struct port *p, jack_nframes_t frames)
{
struct mix *mix;
struct buffer *b;
struct spa_io_buffers *io;
int layer = 0;
void *ptr = NULL;
spa_list_for_each(mix, &p->mix, port_link) {
pw_log_trace("port %p: mix %d.%d get buffer %d",
p, p->id, mix->id, frames);
io = mix->io;
if (io == NULL || io->buffer_id >= mix->n_buffers)
continue;
io->status = SPA_STATUS_NEED_BUFFER;
b = &mix->buffers[io->buffer_id];
if (layer++ == 0)
ptr = b->datas[0].data;
else {
add_f32(p->empty, ptr, b->datas[0].data, frames);
ptr = p->empty;
p->zeroed = false;
}
}
return ptr;
}
static void *mix_midi(struct port *p, jack_nframes_t frames)
{
struct mix *mix;
struct spa_io_sequence *io;
void *ptr = NULL;
spa_list_for_each(mix, &p->mix, port_link) {
pw_log_trace("port %p: mix %d.%d get buffer %d",
p, p->id, mix->id, frames);
io = mix->control;
if (io == NULL)
continue;
convert_to_midi(&io->sequence, p->empty);
ptr = p->empty;
break;
}
return ptr;
}
void * jack_port_get_buffer (jack_port_t *port, jack_nframes_t frames)
{
struct object *o = (struct object *) port;
@ -2187,7 +2253,6 @@ void * jack_port_get_buffer (jack_port_t *port, jack_nframes_t frames)
struct buffer *b;
struct spa_io_buffers *io;
struct mix *mix;
int layer = 0;
void *ptr = NULL;
if (o->type != PW_TYPE_INTERFACE_Port || o->port.port_id == SPA_ID_INVALID) {
@ -2197,22 +2262,13 @@ void * jack_port_get_buffer (jack_port_t *port, jack_nframes_t frames)
p = GET_PORT(c, GET_DIRECTION(o->port.flags), o->port.port_id);
if (p->direction == SPA_DIRECTION_INPUT) {
spa_list_for_each(mix, &p->mix, port_link) {
pw_log_trace("port %p: mix %d.%d get buffer %d",
p, p->id, mix->id, frames);
io = mix->io;
if (io == NULL || io->buffer_id >= mix->n_buffers)
continue;
io->status = SPA_STATUS_NEED_BUFFER;
b = &mix->buffers[io->buffer_id];
if (layer++ == 0)
ptr = b->datas[0].data;
else {
add_f32(p->empty, ptr, b->datas[0].data, frames);
ptr = p->empty;
p->zeroed = false;
}
switch (p->object->port.type_id) {
case 0:
ptr = mix_audio(p, frames);
break;
case 1:
ptr = mix_midi(p, frames);
break;
}
} else {
b = NULL;