From baf3be12effed489770aaf02b9df3b743d4b7e50 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Sun, 23 Oct 2022 02:51:10 +0300
Subject: libcamera: stream: Add operator<<() to print StreamRole as a string

libcamera prints stream role values in log messages. To be more
user-friendly, add a specialization of operator<<() to print the role
name as a string instead of a numerical value.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
---
 include/libcamera/stream.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'include/libcamera/stream.h')

diff --git a/include/libcamera/stream.h b/include/libcamera/stream.h
index f0ae7e62..efec695a 100644
--- a/include/libcamera/stream.h
+++ b/include/libcamera/stream.h
@@ -9,6 +9,7 @@
 
 #include <map>
 #include <memory>
+#include <ostream>
 #include <string>
 #include <vector>
 
@@ -70,6 +71,8 @@ enum StreamRole {
 
 using StreamRoles = std::vector<StreamRole>;
 
+std::ostream &operator<<(std::ostream &out, StreamRole role);
+
 class Stream
 {
 public:
-- 
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