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jack: set the final midi size as the buffer size.

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The buffer has initially a maxsize. After writing we midi events, we can
update it with the real size.
This commit is contained in:
Wim Taymans 2021-09-20 12:22:58 +02:00
parent 92f35b99a0
commit 537fc63cc6
1 changed files with 16 additions and 8 deletions
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24
pipewire-jack/src/pipewire-jack.c
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@ -902,7 +902,7 @@ static inline void reuse_buffer(struct client *c, struct mix *mix, uint32_t id)
}
static void convert_from_midi(void *midi, void *buffer, size_t size)
static size_t convert_from_midi(void *midi, void *buffer, size_t size)
{
struct spa_pod_builder b = { 0, };
uint32_t i, count;
@ -919,7 +919,8 @@ static void convert_from_midi(void *midi, void *buffer, size_t size)
spa_pod_builder_control(&b, ev.time, SPA_CONTROL_Midi);
spa_pod_builder_bytes(&b, ev.buffer, ev.size);
}
spa_pod_builder_pop(&b, &f);
spa_pod_builder_pop(&b, &f);
return b.state.offset;
}
static void convert_to_midi(struct spa_pod_sequence **seq, uint32_t n_seq, void *midi)
@ -960,7 +961,7 @@ static void convert_to_midi(struct spa_pod_sequence **seq, uint32_t n_seq, void
}
static inline void *get_buffer_output(struct port *p, uint32_t frames, uint32_t stride)
static inline void *get_buffer_output(struct port *p, uint32_t frames, uint32_t stride, struct buffer **buf)
{
struct mix *mix;
struct client *c = p->client;
@ -987,6 +988,8 @@ static inline void *get_buffer_output(struct port *p, uint32_t frames, uint32_t
}
reuse_buffer(c, mix, b->id);
ptr = b->datas[0].data;
if (buf)
*buf = b;
b->datas[0].chunk->offset = 0;
b->datas[0].chunk->size = frames * sizeof(float);
@ -1019,15 +1022,20 @@ static void process_tee(struct client *c, uint32_t frames)
switch (p->object->port.type_id) {
case TYPE_ID_AUDIO:
ptr = get_buffer_output(p, frames, sizeof(float));
ptr = get_buffer_output(p, frames, sizeof(float), NULL);
if (SPA_LIKELY(ptr != NULL))
memcpy(ptr, p->emptyptr, frames * sizeof(float));
break;
case TYPE_ID_MIDI:
ptr = get_buffer_output(p, MAX_BUFFER_FRAMES, 1);
if (SPA_LIKELY(ptr != NULL))
convert_from_midi(p->emptyptr, ptr, MAX_BUFFER_FRAMES * sizeof(float));
{
struct buffer *b;
ptr = get_buffer_output(p, MAX_BUFFER_FRAMES, 1, &b);
if (SPA_LIKELY(ptr != NULL)) {
b->datas[0].chunk->size = convert_from_midi(p->emptyptr,
ptr, MAX_BUFFER_FRAMES * sizeof(float));
}
break;
}
default:
pw_log_warn("port %p: unhandled format %d", p, p->object->port.type_id);
break;
@ -4105,7 +4113,7 @@ static void *get_buffer_output_float(struct port *p, jack_nframes_t frames)
{
void *ptr;
ptr = get_buffer_output(p, frames, sizeof(float));
ptr = get_buffer_output(p, frames, sizeof(float), NULL);
if (SPA_UNLIKELY(p->empty_out = (ptr == NULL)))
ptr = p->emptyptr;
return ptr;