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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
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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;