From dfdca3ce29fa8ad13ee6abd40a22662193a30442 Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Wed, 2 Mar 2022 10:02:55 +0100
Subject: [PATCH] stream: add support for PropsInfo

So that streams and filter can describe custom properties.
---
 src/pipewire/filter.c | 10 +++++++---
 src/pipewire/stream.c |  8 ++++++--
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/src/pipewire/filter.c b/src/pipewire/filter.c
index 3fa460bf3..4a317be58 100644
--- a/src/pipewire/filter.c
+++ b/src/pipewire/filter.c
@@ -147,9 +147,10 @@ struct filter {
 	uint32_t change_mask_all;
 	struct spa_node_info info;
 	struct spa_list param_list;
-#define IDX_Props		0
-#define IDX_ProcessLatency	1
-#define N_NODE_PARAMS		2
+#define IDX_PropInfo		0
+#define IDX_Props		1
+#define IDX_ProcessLatency	2
+#define N_NODE_PARAMS		3
 	struct spa_param_info params[N_NODE_PARAMS];
 
 	struct spa_process_latency_info process_latency;
@@ -174,6 +175,8 @@ struct filter {
 static int get_param_index(uint32_t id)
 {
 	switch (id) {
+	case SPA_PARAM_PropInfo:
+		return IDX_PropInfo;
 	case SPA_PARAM_Props:
 		return IDX_Props;
 	case SPA_PARAM_ProcessLatency:
@@ -1495,6 +1498,7 @@ pw_filter_connect(struct pw_filter *filter,
 	impl->info.max_output_ports = UINT32_MAX;
 	impl->info.flags = impl->process_rt ? SPA_NODE_FLAG_RT : 0;
 	impl->info.props = &filter->properties->dict;
+	impl->params[IDX_PropInfo] = SPA_PARAM_INFO(SPA_PARAM_PropInfo, 0);
 	impl->params[IDX_Props] = SPA_PARAM_INFO(SPA_PARAM_Props, SPA_PARAM_INFO_WRITE);
 	impl->params[IDX_ProcessLatency] = SPA_PARAM_INFO(SPA_PARAM_ProcessLatency, 0);
 	impl->info.params = impl->params;
diff --git a/src/pipewire/stream.c b/src/pipewire/stream.c
index aabc70e1c..6344103f6 100644
--- a/src/pipewire/stream.c
+++ b/src/pipewire/stream.c
@@ -136,8 +136,9 @@ struct stream {
 
 	uint32_t change_mask_all;
 	struct spa_node_info info;
-#define IDX_Props	0
-#define N_NODE_PARAMS	1
+#define IDX_PropInfo	0
+#define IDX_Props	1
+#define N_NODE_PARAMS	2
 	struct spa_param_info params[N_NODE_PARAMS];
 
 	uint32_t media_type;
@@ -174,6 +175,8 @@ struct stream {
 static int get_param_index(uint32_t id)
 {
 	switch (id) {
+	case SPA_PARAM_PropInfo:
+		return IDX_PropInfo;
 	case SPA_PARAM_Props:
 		return IDX_Props;
 	default:
@@ -1726,6 +1729,7 @@ pw_stream_connect(struct pw_stream *stream,
 	if (!impl->process_rt)
 		impl->info.flags |= SPA_NODE_FLAG_ASYNC;
 	impl->info.props = &stream->properties->dict;
+	impl->params[IDX_PropInfo] = SPA_PARAM_INFO(SPA_PARAM_PropInfo, 0);
 	impl->params[IDX_Props] = SPA_PARAM_INFO(SPA_PARAM_Props, SPA_PARAM_INFO_WRITE);
 	impl->info.params = impl->params;
 	impl->info.n_params = N_NODE_PARAMS;