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stream: reimplement volume changes with notify stream

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Implement volume changes with a notify stream.
Do volume changes in the channel mixer with control streams.
This commit is contained in:
Wim Taymans 2018-08-30 12:02:39 +02:00
parent 7cdb980b1a
commit 0bce72d898
2 changed files with 96 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

46
spa/plugins/audioconvert/audioconvert.c
View file

@ -555,11 +555,11 @@ impl_node_port_enum_params(struct spa_node *node,
this = SPA_CONTAINER_OF(node, struct impl, node);
switch (id) {
next:
case SPA_PARAM_PropInfo:
spa_pod_builder_init(&b, buffer, sizeof(buffer));
spa_pod_builder_init(&b, buffer, sizeof(buffer));
switch (id) {
case SPA_PARAM_PropInfo:
switch (*index) {
case 0:
param = spa_pod_builder_object(builder,
@ -571,17 +571,42 @@ impl_node_port_enum_params(struct spa_node *node,
default:
return 0;
}
break;
(*index)++;
if (spa_pod_filter(builder, result, param, filter) < 0)
goto next;
return 1;
case SPA_PARAM_IO:
switch (*index) {
case 0:
param = spa_pod_builder_object(builder,
SPA_TYPE_OBJECT_ParamIO, id,
":", SPA_PARAM_IO_id, "I", SPA_IO_Buffers,
":", SPA_PARAM_IO_size, "i", sizeof(struct spa_io_buffers));
break;
case 1:
param = spa_pod_builder_object(builder,
SPA_TYPE_OBJECT_ParamIO, id,
":", SPA_PARAM_IO_id, "I", SPA_IO_Range,
":", SPA_PARAM_IO_size, "i", sizeof(struct spa_io_range));
break;
case 2:
param = spa_pod_builder_object(builder,
SPA_TYPE_OBJECT_ParamIO, id,
":", SPA_PARAM_IO_id, "I", SPA_IO_Control,
":", SPA_PARAM_IO_size, "i", sizeof(struct spa_io_sequence));
break;
default:
return 0;
}
break;
default:
return spa_node_port_enum_params(this->fmt[direction], direction, port_id,
id, index, filter, result, builder);
}
(*index)++;
if (spa_pod_filter(builder, result, param, filter) < 0)
goto next;
return 1;
}
static int
@ -652,6 +677,9 @@ impl_node_port_set_io(struct spa_node *node,
case SPA_IO_Range:
res = spa_node_port_set_io(this->resample, direction, 0, id, data, size);
break;
case SPA_IO_Control:
res = spa_node_port_set_io(this->channelmix, direction, 0, id, data, size);
break;
default:
res = spa_node_port_set_io(this->fmt[direction], direction, port_id, id, data, size);
break;

70
src/pipewire/stream.c
View file

@ -76,6 +76,7 @@ struct param {
#define DEFAULT_VOLUME 1.0
struct props {
bool changed;
float volume;
};
@ -106,7 +107,9 @@ struct stream {
const struct spa_node_callbacks *callbacks;
void *callbacks_data;
struct spa_io_buffers *io;
struct spa_io_control *io_control;
struct spa_io_sequence *io_control;
struct spa_io_sequence *io_notify;
uint32_t io_notify_size;
struct pw_array params;
@ -344,6 +347,16 @@ static int impl_port_set_io(struct spa_node *node, enum spa_direction direction,
else
impl->io_control = NULL;
break;
case SPA_IO_Notify:
if (data && size >= sizeof(struct spa_io_sequence)) {
impl->io_notify = data;
impl->io_notify_size = size;
}
else {
impl->io_notify = NULL;
impl->io_notify_size = size;
}
break;
default:
return -ENOENT;
}
@ -604,6 +617,33 @@ static int impl_port_reuse_buffer(struct spa_node *node, uint32_t port_id, uint3
return 0;
}
static int process_control(struct stream *impl, struct spa_pod_sequence *sequence)
{
return 0;
}
static int process_notify(struct stream *impl, struct spa_pod_sequence *sequence)
{
struct spa_pod_builder b = { 0 };
spa_pod_builder_init(&b, impl->io_notify, impl->io_notify_size);
spa_pod_builder_push_sequence(&b, 0);
if (impl->props.changed) {
spa_pod_builder_control_header(&b, 0, SPA_CONTROL_Properties);
spa_pod_builder_push_object(&b, SPA_TYPE_OBJECT_Props, 0);
spa_pod_builder_push_prop(&b, SPA_PROP_volume, 0);
spa_pod_builder_float(&b, impl->props.volume);
spa_pod_builder_pop(&b);
spa_pod_builder_pop(&b);
impl->props.changed = false;
}
spa_pod_builder_pop(&b);
if (impl->props.changed)
spa_debug_pod(2, NULL, &impl->io_notify->sequence.pod);
return 0;
}
static inline void copy_quantum(struct stream *impl, int64_t queued)
{
struct pw_driver_quantum *q = impl->node->rt.quantum;
@ -614,6 +654,11 @@ static inline void copy_quantum(struct stream *impl, int64_t queued)
impl->time.delay = q->delay;
impl->time.queued = queued;
impl->seq2 = impl->seq1;
if (impl->io_control)
process_control(impl, &impl->io_control->sequence);
if (impl->io_notify)
process_notify(impl, &impl->io_notify->sequence);
}
static int impl_node_process_input(struct spa_node *node)
@ -951,21 +996,22 @@ struct pw_remote *pw_stream_get_remote(struct pw_stream *stream)
static void add_controls(struct pw_stream *stream)
{
#if 0
struct stream *s = SPA_CONTAINER_OF(stream, struct stream, this);
uint8_t buffer[4096];
struct spa_pod_builder b;
spa_pod_builder_init(&b, buffer, 4096);
add_param(stream, PARAM_TYPE_INIT,
spa_pod_builder_object(&b,
t->param_io.idPropsOut, t->param_io.Prop,
":", t->param_io.id, "I", s->type.io_prop_volume,
":", t->param_io.size, "i", sizeof(struct spa_pod_float),
":", t->param.propId, "I", s->type.prop_volume,
":", t->param.propType, "fru", s->props.volume,
SPA_POD_PROP_MIN_MAX(0.0, 10.0)));
#endif
spa_pod_builder_object(&b,
SPA_TYPE_OBJECT_ParamIO, SPA_PARAM_IO,
":", SPA_PARAM_IO_id, "I", SPA_IO_Notify,
":", SPA_PARAM_IO_size, "i", sizeof(struct spa_io_sequence) + 1024));
add_param(stream, PARAM_TYPE_INIT,
spa_pod_builder_object(&b,
SPA_TYPE_OBJECT_ParamIO, SPA_PARAM_IO,
":", SPA_PARAM_IO_id, "I", SPA_IO_Control,
":", SPA_PARAM_IO_size, "i", sizeof(struct spa_io_sequence)));
}
int
@ -1064,6 +1110,8 @@ int pw_stream_set_control(struct pw_stream *stream,
else
return -ENOTSUP;
impl->props.changed = true;
return 0;
}