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module-ffado: make the event buffer per port

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Or else ports overwrite eachother.
This commit is contained in:
Wim Taymans 2024-03-08 15:24:33 +01:00
parent fc0b638045
commit 37900ff765
1 changed files with 59 additions and 58 deletions
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117
src/modules/module-ffado-driver.c
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@ -145,6 +145,14 @@ struct port {
unsigned int is_midi:1; unsigned int is_midi:1;
unsigned int cleared:1; unsigned int cleared:1;
void *buffer; void *buffer;
uint8_t event_byte;
uint8_t event_type;
uint32_t event_time;
uint8_t event_buffer[512];
uint32_t event_pos;
int event_pending;
}; };
struct volume { struct volume {
@ -219,13 +227,6 @@ struct impl {
uint32_t ffado_xrun; uint32_t ffado_xrun;
uint32_t frame_time; uint32_t frame_time;
uint8_t event_byte;
uint8_t event_type;
uint32_t buffer_time;
uint8_t buffer[512];
uint32_t buffer_pos;
int buffer_pending;
unsigned int do_disconnect:1; unsigned int do_disconnect:1;
unsigned int fix_midi:1; unsigned int fix_midi:1;
unsigned int started:1; unsigned int started:1;
@ -280,7 +281,7 @@ static inline void fix_midi_event(uint8_t *data, size_t size)
} }
} }
static void midi_to_ffado(struct impl *impl, struct port *p, float *src, uint32_t n_samples) static void midi_to_ffado(struct port *p, float *src, uint32_t n_samples)
{ {
struct spa_pod *pod; struct spa_pod *pod;
struct spa_pod_sequence *seq; struct spa_pod_sequence *seq;
@ -301,11 +302,11 @@ static void midi_to_ffado(struct impl *impl, struct port *p, float *src, uint32_
clear_port_buffer(p, n_samples); clear_port_buffer(p, n_samples);
/* first leftovers from previous cycle, always start at offset 0 */ /* first leftovers from previous cycle, always start at offset 0 */
for (i = 0; i < impl->buffer_pos; i++) { for (i = 0; i < p->event_pos; i++) {
dst[index] = 0x01000000 | (uint32_t) impl->buffer[i]; dst[index] = 0x01000000 | (uint32_t) p->event_buffer[i];
index += 8; index += 8;
} }
impl->buffer_pos = 0; p->event_pos = 0;
SPA_POD_SEQUENCE_FOREACH(seq, c) { SPA_POD_SEQUENCE_FOREACH(seq, c) {
switch(c->type) { switch(c->type) {
@ -319,8 +320,8 @@ static void midi_to_ffado(struct impl *impl, struct port *p, float *src, uint32_
for (i = 0; i < size; i++) { for (i = 0; i < size; i++) {
if (index >= n_samples) { if (index >= n_samples) {
/* keep events that don't fit for the next cycle */ /* keep events that don't fit for the next cycle */
if (impl->buffer_pos < sizeof(impl->buffer)) if (p->event_pos < sizeof(p->event_buffer))
impl->buffer[impl->buffer_pos++] = data[i]; p->event_buffer[p->event_pos++] = data[i];
else else
unhandled++; unhandled++;
} }
@ -336,17 +337,17 @@ static void midi_to_ffado(struct impl *impl, struct port *p, float *src, uint32_
} }
if (unhandled > 0) if (unhandled > 0)
pw_log_warn("%u MIDI events dropped (index %d)", unhandled, index); pw_log_warn("%u MIDI events dropped (index %d)", unhandled, index);
else if (impl->buffer_pos > 0) else if (p->event_pos > 0)
pw_log_debug("%u MIDI events saved (index %d)", impl->buffer_pos, index); pw_log_debug("%u MIDI events saved (index %d)", p->event_pos, index);
} }
static int take_bytes(struct impl *impl, uint32_t *frame, uint8_t **bytes, size_t *size) static int take_bytes(struct port *p, uint32_t *frame, uint8_t **bytes, size_t *size)
{ {
if (impl->buffer_pos == 0) if (p->event_pos == 0)
return 0; return 0;
*frame = impl->buffer_time; *frame = p->event_time;
*bytes = impl->buffer; *bytes = p->event_buffer;
*size = impl->buffer_pos; *size = p->event_pos;
return 1; return 1;
} }
@ -377,7 +378,7 @@ static const int status_len[] = {
0, /* reset 0xff */ 0, /* reset 0xff */
}; };
static int process_byte(struct impl *impl, uint32_t time, uint8_t byte, static int process_byte(struct port *p, uint32_t time, uint8_t byte,
uint32_t *frame, uint8_t **bytes, size_t *size) uint32_t *frame, uint8_t **bytes, size_t *size)
{ {
int res = 0; int res = 0;
@ -386,58 +387,58 @@ static int process_byte(struct impl *impl, uint32_t time, uint8_t byte,
pw_log_warn("droping invalid MIDI status bytes %08x", byte); pw_log_warn("droping invalid MIDI status bytes %08x", byte);
return false; return false;
} }
impl->event_byte = byte; p->event_byte = byte;
*frame = time; *frame = time;
*bytes = &impl->event_byte; *bytes = &p->event_byte;
*size = 1; *size = 1;
return 1; return 1;
} }
if ((byte & 0x80) && (byte != 0xf7 || impl->event_type != 8)) { if ((byte & 0x80) && (byte != 0xf7 || p->event_type != 8)) {
if (impl->buffer_pending > 0) if (p->event_pending > 0)
pw_log_warn("incomplete MIDI message %02x droped %u", pw_log_warn("incomplete MIDI message %02x dropped %u time:%u",
impl->event_type, impl->buffer_pending); p->event_type, p->event_pending, time);
/* new command */ /* new command */
impl->buffer[0] = byte; p->event_buffer[0] = byte;
impl->buffer_time = time; p->event_time = time;
if ((byte & 0xf0) == 0xf0) /* system message */ if ((byte & 0xf0) == 0xf0) /* system message */
impl->event_type = (byte & 0x0f) + 8; p->event_type = (byte & 0x0f) + 8;
else else
impl->event_type = (byte >> 4) & 0x07; p->event_type = (byte >> 4) & 0x07;
impl->buffer_pos = 1; p->event_pos = 1;
impl->buffer_pending = status_len[impl->event_type]; p->event_pending = status_len[p->event_type];
} else { } else {
if (impl->buffer_pending > 0) { if (p->event_pending > 0) {
/* rest of command */ /* rest of command */
if (impl->buffer_pos < sizeof(impl->buffer)) if (p->event_pos < sizeof(p->event_buffer))
impl->buffer[impl->buffer_pos++] = byte; p->event_buffer[p->event_pos++] = byte;
if (impl->event_type != 8) if (p->event_type != 8)
impl->buffer_pending--; p->event_pending--;
} else { } else {
/* running status */ /* running status */
impl->buffer[1] = byte; p->event_buffer[1] = byte;
impl->buffer_time = time; p->event_time = time;
impl->buffer_pending = status_len[impl->event_type] - 1; p->event_pending = status_len[p->event_type] - 1;
impl->buffer_pos = 2; p->event_pos = 2;
} }
} }
if (impl->buffer_pending == 0) { if (p->event_pending == 0) {
res = take_bytes(impl, frame, bytes, size); res = take_bytes(p, frame, bytes, size);
if (impl->event_type >= 8) if (p->event_type >= 8)
impl->event_type = 7; p->event_type = 7;
} else if (impl->event_type == 8) { } else if (p->event_type == 8) {
if (byte == 0xf7 || impl->buffer_pos >= sizeof(impl->buffer)) { if (byte == 0xf7 || p->event_pos >= sizeof(p->event_buffer)) {
res = take_bytes(impl, frame, bytes, size); res = take_bytes(p, frame, bytes, size);
impl->buffer_pos = 0; p->event_pos = 0;
if (byte == 0xf7) { if (byte == 0xf7) {
impl->buffer_pending = 0; p->event_pending = 0;
impl->event_type = 7; p->event_type = 7;
} }
} }
} }
return res; return res;
} }
static void ffado_to_midi(struct impl *impl, float *dst, uint32_t *src, uint32_t size) static void ffado_to_midi(struct port *p, float *dst, uint32_t *src, uint32_t size)
{ {
struct spa_pod_builder b = { 0, }; struct spa_pod_builder b = { 0, };
uint32_t i, count; uint32_t i, count;
@ -455,15 +456,15 @@ static void ffado_to_midi(struct impl *impl, float *dst, uint32_t *src, uint32_t
if ((data & 0xff000000) == 0) if ((data & 0xff000000) == 0)
continue; continue;
if (process_byte(impl, i, data & 0xff, &frame, &bytes, &size)) { if (process_byte(p, i, data & 0xff, &frame, &bytes, &size)) {
spa_pod_builder_control(&b, frame, SPA_CONTROL_Midi); spa_pod_builder_control(&b, frame, SPA_CONTROL_Midi);
spa_pod_builder_bytes(&b, bytes, size); spa_pod_builder_bytes(&b, bytes, size);
} }
} }
spa_pod_builder_pop(&b, &f); spa_pod_builder_pop(&b, &f);
if (impl->buffer_pending > 0) if (p->event_pending > 0)
/* make sure the rest of the MIDI message is sent first in the next cycle */ /* make sure the rest of the MIDI message is sent first in the next cycle */
impl->buffer_time = 0; p->event_time = 0;
} }
static inline uint64_t get_time_ns(struct impl *impl) static inline uint64_t get_time_ns(struct impl *impl)
@ -586,7 +587,7 @@ static void sink_process(void *d, struct spa_io_position *position)
} }
if (SPA_UNLIKELY(p->is_midi)) if (SPA_UNLIKELY(p->is_midi))
midi_to_ffado(impl, p, src, n_samples); midi_to_ffado(p, src, n_samples);
else else
do_volume(p->buffer, src, &s->volume, i, n_samples); do_volume(p->buffer, src, &s->volume, i, n_samples);
@ -645,7 +646,7 @@ static void source_process(void *d, struct spa_io_position *position)
continue; continue;
if (SPA_UNLIKELY(p->is_midi)) if (SPA_UNLIKELY(p->is_midi))
ffado_to_midi(impl, dst, p->buffer, n_samples); ffado_to_midi(p, dst, p->buffer, n_samples);
else else
do_volume(dst, p->buffer, &s->volume, i, n_samples); do_volume(dst, p->buffer, &s->volume, i, n_samples);
} }