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pulse: parse and fill up the array of formats

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A sink and source can have an array of pa_format_info structures
that contain the possible formats of the device. Parse them from
the EnumFormat and return them when introspecting.
This commit is contained in:
Wim Taymans 2020-09-17 16:34:18 +02:00
parent 8406ad8a4e
commit 023281fd0b
6 changed files with 333 additions and 180 deletions
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19
pipewire-pulseaudio/src/context.c
View file

@ -940,6 +940,13 @@ struct global_info device_info = {
.sync = device_sync,
};
static void clear_node_formats(struct global *g)
{
pa_format_info *f;
pw_array_for_each(f, &g->node_info.formats)
pa_format_info_free(f);
}
static void node_event_info(void *object, const struct pw_node_info *info)
{
struct global *g = object;
@ -964,6 +971,9 @@ static void node_event_info(void *object, const struct pw_node_info *info)
continue;
switch (info->params[i].id) {
case SPA_PARAM_EnumFormat:
clear_node_formats(g);
/* fallthrough */
case SPA_PARAM_Props:
case SPA_PARAM_Format:
pw_device_enum_params((struct pw_device*)g->proxy,
@ -989,6 +999,13 @@ static void node_event_param(void *object, int seq,
if (!SPA_FLAG_IS_SET(g->node_info.flags, NODE_FLAG_DEVICE_VOLUME | NODE_FLAG_DEVICE_MUTE))
parse_props(g, param, false);
break;
case SPA_PARAM_EnumFormat:
{
pa_format_info *f = pa_format_info_from_param(param);
if (f)
pw_array_add_ptr(&g->node_info.formats, f);
break;
}
case SPA_PARAM_Format:
pa_format_parse_param(param, &g->node_info.sample_spec, &g->node_info.channel_map);
break;
@ -1006,6 +1023,7 @@ static const struct pw_node_events node_events = {
static void node_destroy(void *data)
{
struct global *global = data;
clear_node_formats(global);
if (global->info)
pw_node_info_free(global->info);
}
@ -1281,6 +1299,7 @@ static int set_mask(pa_context *c, struct global *g)
g->node_info.volume_step = 1.0f / (PA_VOLUME_NORM+1);
g->node_info.active_port = SPA_ID_INVALID;
g->node_info.available_port = SPA_PARAM_AVAILABILITY_unknown;
pw_array_init(&g->node_info.formats, sizeof(void*) * 4);
} else if (strcmp(g->type, PW_TYPE_INTERFACE_Port) == 0) {
if (g->props == NULL)
return 0;