meta-pipewire: initial pipewire recipe

Bug-AGL: SPEC-2473

Change-Id: Ide95be79adb69437564e94071d0315ae5cfd9ae2
Signed-off-by: George Kiagiadakis <george.kiagiadakis@collabora.com>

1 files changed, 148 insertions, 0 deletions

diff --git a/meta-pipewire/recipes-multimedia/pipewire/0002-pipewire-cli-add-support-for-printing-endpoint-info-.patch b/meta-pipewire/recipes-multimedia/pipewire/0002-pipewire-cli-add-support-for-printing-endpoint-info-.patch
new file mode 100644
index 00000000..008c15f9
--- /dev/null
+++ b/meta-pipewire/recipes-multimedia/pipewire/0002-pipewire-cli-add-support-for-printing-endpoint-info-.patch
@@ -0,0 +1,148 @@
+From e76140c534dde71424eb9abd1dde69cf14152da5 Mon Sep 17 00:00:00 2001
+From: George Kiagiadakis <george.kiagiadakis@collabora.com>
+Date: Tue, 28 May 2019 11:46:36 +0300
+Subject: [PATCH 2/2] pipewire-cli: add support for printing endpoint info &
+ params
+
+Note that you have to run:
+  load-module libpipewire-module-endpoint
+before trying to query any endpoints
+---
+ src/tools/pipewire-cli.c | 78 +++++++++++++++++++++++++++++++++++++++-
+ 1 file changed, 77 insertions(+), 1 deletion(-)
+
+diff --git a/src/tools/pipewire-cli.c b/src/tools/pipewire-cli.c
+index 521739f6..9511db82 100644
+--- a/src/tools/pipewire-cli.c
++++ b/src/tools/pipewire-cli.c
+@@ -38,6 +38,8 @@
+ #include <pipewire/type.h>
+ #include <pipewire/permission.h>
+ 
++#include <extensions/endpoint.h>
++
+ static const char WHITESPACE[] = " \t";
+ 
+ struct remote_data;
+@@ -176,8 +178,12 @@ static void print_params(struct spa_param_info *params, uint32_t n_params, char
+ 		return;
+ 	}
+ 	for (i = 0; i < n_params; i++) {
++		const struct spa_type_info *type_info = spa_type_param;
++		if (params[i].id >= PW_ENDPOINT_PARAM_EnumControl)
++			type_info = endpoint_param_type_info;
++
+ 		fprintf(stdout, "%c\t  %d (%s) %c%c\n", mark, params[i].id,
+-			spa_debug_type_find_name(spa_type_param, params[i].id),
++			spa_debug_type_find_name(type_info, params[i].id),
+ 			params[i].flags & SPA_PARAM_INFO_READ ? 'r' : '-',
+ 			params[i].flags & SPA_PARAM_INFO_WRITE ? 'w' : '-');
+ 	}
+@@ -641,6 +647,16 @@ static void info_device(struct proxy_data *pd)
+ 	info->change_mask = 0;
+ }
+ 
++static void info_endpoint(struct proxy_data *pd)
++{
++	struct pw_endpoint_info *info = pd->info;
++
++	info_global(pd);
++	print_properties(info->props, MARK_CHANGE(1), true);
++	print_params(info->params, info->n_params, MARK_CHANGE(0), true);
++	info->change_mask = 0;
++}
++
+ static void core_event_info(void *object, const struct pw_core_info *info)
+ {
+ 	struct proxy_data *pd = object;
+@@ -708,6 +724,9 @@ static void event_param(void *object, int seq, uint32_t id,
+ 
+ 	if (spa_pod_is_object_type(param, SPA_TYPE_OBJECT_Format))
+ 		spa_debug_format(2, NULL, param);
++	else if (spa_pod_is_object_type(param, PW_ENDPOINT_OBJECT_ParamControl) ||
++		 spa_pod_is_object_type(param, PW_ENDPOINT_OBJECT_ParamStream))
++		spa_debug_pod(2, endpoint_param_object_type_info, param);
+ 	else
+ 		spa_debug_pod(2, NULL, param);
+ }
+@@ -842,6 +861,53 @@ static const struct pw_device_proxy_events device_events = {
+ 	.param = event_param
+ };
+ 
++static void endpoint_info_free(struct pw_endpoint_info *info)
++{
++	free(info->params);
++	if (info->props)
++		pw_properties_free ((struct pw_properties *)info->props);
++	free(info);
++}
++
++static void endpoint_event_info(void *object,
++				const struct pw_endpoint_info *update)
++{
++	struct proxy_data *pd = object;
++	struct remote_data *rd = pd->rd;
++	struct pw_endpoint_info *info = pd->info;
++
++	if (!info) {
++		info = pd->info = calloc(1, sizeof(*info));
++		info->id = update->id;
++	}
++	if (update->change_mask & PW_ENDPOINT_CHANGE_MASK_PARAMS) {
++		info->n_params = update->n_params;
++		free(info->params);
++		info->params = malloc(info->n_params * sizeof(struct spa_param_info));
++		memcpy(info->params, update->params,
++			info->n_params * sizeof(struct spa_param_info));
++	}
++	if (update->change_mask & PW_ENDPOINT_CHANGE_MASK_PROPS) {
++		if (info->props)
++			pw_properties_free ((struct pw_properties *)info->props);
++		info->props =
++			(struct spa_dict *) pw_properties_new_dict (update->props);
++	}
++
++	if (pd->global == NULL)
++		pd->global = pw_map_lookup(&rd->globals, info->id);
++	if (pd->global && pd->global->info_pending) {
++		info_endpoint(pd);
++		pd->global->info_pending = false;
++	}
++}
++
++static const struct pw_endpoint_proxy_events endpoint_events = {
++	PW_VERSION_ENDPOINT_PROXY_EVENTS,
++	.info = endpoint_event_info,
++	.param = event_param
++};
++
+ static void
+ destroy_proxy (void *data)
+ {
+@@ -928,6 +994,12 @@ static bool bind_global(struct remote_data *rd, struct global *global, char **er
+ 		destroy = (pw_destroy_t) pw_link_info_free;
+ 		info_func = info_link;
+ 		break;
++	case PW_TYPE_INTERFACE_Endpoint:
++		events = &endpoint_events;
++		client_version = PW_VERSION_ENDPOINT;
++		destroy = (pw_destroy_t) endpoint_info_free;
++		info_func = info_endpoint;
++		break;
+ 	default:
+ 		asprintf(error, "unsupported type %s", spa_debug_type_find_name(pw_type_info(), global->type));
+ 		return false;
+@@ -1201,6 +1273,10 @@ static bool do_enum_params(struct data *data, const char *cmd, char *args, char
+ 		pw_device_proxy_enum_params((struct pw_device_proxy*)global->proxy, 0,
+ 			param_id, 0, 0, NULL);
+ 		break;
++	case PW_TYPE_INTERFACE_Endpoint:
++		pw_endpoint_proxy_enum_params((struct pw_endpoint_proxy*)global->proxy, 0,
++			param_id, 0, 0, NULL);
++		break;
+ 	default:
+ 		asprintf(error, "enum-params not implemented on object %d", atoi(a[0]));
+ 		return false;
+-- 
+2.20.1
+