From 937a1567dd1d070911668fc0a96d04ef56c09c6c Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Wed, 21 Jun 2017 15:14:25 +0200
Subject: [PATCH] stream: constify format array because we copy

---
 pipewire/client/stream.c       | 4 ++--
 pipewire/client/stream.h       | 2 +-
 pipewire/examples/video-play.c | 2 +-
 pipewire/examples/video-src.c  | 2 +-
 pipewire/gst/gstpipewiresink.c | 2 +-
 pipewire/gst/gstpipewiresrc.c  | 2 +-
 6 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/pipewire/client/stream.c b/pipewire/client/stream.c
index 993084812..c45ee2d04 100644
--- a/pipewire/client/stream.c
+++ b/pipewire/client/stream.c
@@ -250,7 +250,7 @@ static void unhandle_socket(struct pw_stream *stream)
 
 static void
 set_possible_formats(struct pw_stream *stream,
-		     int n_possible_formats, struct spa_format **possible_formats)
+		     int n_possible_formats, const struct spa_format **possible_formats)
 {
 	struct stream *impl = SPA_CONTAINER_OF(stream, struct stream, this);
 	int i;
@@ -888,7 +888,7 @@ pw_stream_connect(struct pw_stream *stream,
 		  const char *port_path,
 		  enum pw_stream_flags flags,
 		  uint32_t n_possible_formats,
-		  struct spa_format **possible_formats)
+		  const struct spa_format **possible_formats)
 {
 	struct stream *impl = SPA_CONTAINER_OF(stream, struct stream, this);
 
diff --git a/pipewire/client/stream.h b/pipewire/client/stream.h
index c34107236..df4d2f4f3 100644
--- a/pipewire/client/stream.h
+++ b/pipewire/client/stream.h
@@ -262,7 +262,7 @@ pw_stream_connect(struct pw_stream *stream,		/**< a \ref pw_stream */
 							  *  to let the server choose a port */
 		  enum pw_stream_flags flags,		/**< stream flags */
 		  uint32_t n_possible_formats,		/**< number of items in \a possible_formats */
-		  struct spa_format **possible_formats	/**< an array with possible accepted formats */);
+		  const struct spa_format **possible_formats	/**< an array with possible accepted formats */);
 
 /** Disconnect \a stream \memberof pw_stream */
 void pw_stream_disconnect(struct pw_stream *stream);
diff --git a/pipewire/examples/video-play.c b/pipewire/examples/video-play.c
index fb548337e..8acc7a352 100644
--- a/pipewire/examples/video-play.c
+++ b/pipewire/examples/video-play.c
@@ -299,7 +299,7 @@ static void on_state_changed(struct pw_listener *listener, struct pw_context *co
 
 	case PW_CONTEXT_STATE_CONNECTED:
 	{
-		struct spa_format *formats[1];
+		const struct spa_format *formats[1];
 		uint8_t buffer[1024];
 		struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer));
 		struct spa_pod_frame f[2];
diff --git a/pipewire/examples/video-src.c b/pipewire/examples/video-src.c
index 1d6bdc29b..0a8f05a57 100644
--- a/pipewire/examples/video-src.c
+++ b/pipewire/examples/video-src.c
@@ -219,7 +219,7 @@ static void on_state_changed(struct pw_listener *listener, struct pw_context *co
 
 	case PW_CONTEXT_STATE_CONNECTED:
 	{
-		struct spa_format *formats[1];
+		const struct spa_format *formats[1];
 		uint8_t buffer[1024];
 		struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer));
 		struct spa_pod_frame f[2];
diff --git a/pipewire/gst/gstpipewiresink.c b/pipewire/gst/gstpipewiresink.c
index ddf7836f0..08673c39b 100644
--- a/pipewire/gst/gstpipewiresink.c
+++ b/pipewire/gst/gstpipewiresink.c
@@ -643,7 +643,7 @@ gst_pipewire_sink_setcaps (GstBaseSink * bsink, GstCaps * caps)
                           pwsink->path,
                           flags,
                           possible->len,
-                          (struct spa_format **) possible->pdata);
+                          (const struct spa_format **) possible->pdata);
 
     while (TRUE) {
       state = pwsink->stream->state;
diff --git a/pipewire/gst/gstpipewiresrc.c b/pipewire/gst/gstpipewiresrc.c
index 34de48169..5b296b887 100644
--- a/pipewire/gst/gstpipewiresrc.c
+++ b/pipewire/gst/gstpipewiresrc.c
@@ -665,7 +665,7 @@ gst_pipewire_src_negotiate (GstBaseSrc * basesrc)
                      pwsrc->path,
                      PW_STREAM_FLAG_AUTOCONNECT,
                      possible->len,
-                     (struct spa_format **)possible->pdata);
+                     (const struct spa_format **)possible->pdata);
   g_ptr_array_free (possible, TRUE);
 
   while (TRUE) {