Add custom audio role API to QMediaPlayer

Allows use of audio roles beyond those known to Qt.

[ChangeLog][QMediaPlayer] Added customAudioRole string property to
enable use of audio roles beyond those available via the audioRole
enum property.

Change-Id: Id7ed5d7bc1af0c15910e699f25c97cfed2d48243
Reviewed-by: Christian Stromme <christian.stromme@qt.io>
Reviewed-by: Rafael Roquetto <rafael.roquetto@kdab.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/src/plugins/qnx/mediaplayer/mmrendererutil.cpp b/src/plugins/qnx/mediaplayer/mmrendererutil.cpp
index 7a9f6393b..d8af4a746 100644
--- a/src/plugins/qnx/mediaplayer/mmrendererutil.cpp
+++ b/src/plugins/qnx/mediaplayer/mmrendererutil.cpp
@@ -92,7 +92,7 @@ static const unsigned int numMmErrors = sizeof(mmErrors) / sizeof(MmError);
 
 static QBasicMutex roleMapMutex;
 static bool roleMapInitialized = false;
-static QString roleMap[QAudio::GameRole + 1];
+static QString roleMap[QAudio::CustomRole + 1];
 
 template <typename T, size_t N>
 constexpr size_t countof(T (&)[N])
@@ -166,9 +166,15 @@ static void loadRoleMap()
                 loadRoleMapping(AccessibilityRole);
                 loadRoleMapping(SonificationRole);
                 loadRoleMapping(GameRole);
+                loadRoleMapping(CustomRole);
             }
 #undef loadRoleMapping
 #pragma GCC diagnostic pop
+
+            if (!roleMap[QAudio::CustomRole].isEmpty()) {
+                qWarning("CustomRole mapping ignored");
+                roleMap[QAudio::CustomRole].clear();
+            }
         }
 
         roleMapInitialized = true;