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policy-node: reverse config direction for virtual devices

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For a virtual source we want to configure it like a sink with
input ports and the monitor ports as the capture ports.
This commit is contained in:
Wim Taymans 2021-01-27 16:27:06 +01:00
parent 295cba8404
commit 5dc2a7b793
1 changed files with 16 additions and 4 deletions
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20
src/examples/media-session/policy-node.c
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@ -102,6 +102,7 @@ struct node {
unsigned int monitor:1;
unsigned int moving:1;
unsigned int capture_sink:1;
unsigned int virtual:1;
};
static bool find_format(struct node *node)
@ -151,6 +152,7 @@ static int configure_node(struct node *node, struct spa_audio_info *info, bool f
struct spa_pod_builder b = { 0, };
struct spa_pod *param;
struct spa_audio_info format;
enum pw_direction direction;
if (node->configured && !force)
return 0;
@ -168,11 +170,16 @@ static int configure_node(struct node *node, struct spa_audio_info *info, bool f
}
format.info.raw.rate = impl->sample_rate;
if (node->virtual)
direction = pw_direction_reverse(node->direction);
else
direction = node->direction;
spa_pod_builder_init(&b, buf, sizeof(buf));
param = spa_format_audio_raw_build(&b, SPA_PARAM_Format, &format.info.raw);
param = spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_ParamPortConfig, SPA_PARAM_PortConfig,
SPA_PARAM_PORT_CONFIG_direction, SPA_POD_Id(node->direction),
SPA_PARAM_PORT_CONFIG_direction, SPA_POD_Id(direction),
SPA_PARAM_PORT_CONFIG_mode, SPA_POD_Id(SPA_PARAM_PORT_CONFIG_MODE_dsp),
SPA_PARAM_PORT_CONFIG_monitor, SPA_POD_Bool(true),
SPA_PARAM_PORT_CONFIG_format, SPA_POD_Pod(param));
@ -277,6 +284,8 @@ handle_node(struct impl *impl, struct sm_object *object)
}
else {
const char *media;
bool virtual = false;
if (strstr(media_class, "Audio/") == media_class) {
media_class += strlen("Audio/");
media = "Audio";
@ -292,10 +301,12 @@ handle_node(struct impl *impl, struct sm_object *object)
if (strcmp(media_class, "Sink") == 0 ||
strcmp(media_class, "Duplex") == 0)
direction = PW_DIRECTION_INPUT;
else if (strcmp(media_class, "Source") == 0 ||
strcmp(media_class, "Source/Virtual") == 0)
else if (strcmp(media_class, "Source") == 0)
direction = PW_DIRECTION_OUTPUT;
else
else if (strcmp(media_class, "Source/Virtual") == 0) {
virtual = true;
direction = PW_DIRECTION_OUTPUT;
} else
return 0;
if ((str = pw_properties_get(object->props, PW_KEY_NODE_PLUGGED)) != NULL)
@ -309,6 +320,7 @@ handle_node(struct impl *impl, struct sm_object *object)
node->priority = 0;
node->direction = direction;
node->virtual = virtual;
node->type = NODE_TYPE_DEVICE;
node->media = strdup(media);