Expose GstPipeline in private API

Some users want to have an opportunity to customize
gstreamer pipeline (in 6.2 as well).

The patch is for experimental purposes:
let's try the simplest approach and wait for a users feedback.

Pick-to: 6.6 6.5 6.2
Change-Id: Ifa78e4aed0fa5788033ebb5d214abee36b38c649
Reviewed-by: Jøger Hansegård <joger.hansegard@qt.io>
Reviewed-by: Artem Dyomin <artem.dyomin@qt.io>

2 files changed, 17 insertions, 0 deletions

diff --git a/src/multimedia/platform/qplatformmediaplayer.cpp b/src/multimedia/platform/qplatformmediaplayer.cpp
index 310776c8a..34c929b5a 100644
--- a/src/multimedia/platform/qplatformmediaplayer.cpp
+++ b/src/multimedia/platform/qplatformmediaplayer.cpp
@@ -38,4 +38,16 @@ void QPlatformMediaPlayer::error(int error, const QString &errorString)
     player->d_func()->setError(QMediaPlayer::Error(error), errorString);
 }
 
+void *QPlatformMediaPlayer::nativePipeline(QMediaPlayer *player)
+{
+    if (!player)
+        return nullptr;
+
+    auto playerPrivate = player->d_func();
+    if (!playerPrivate || !playerPrivate->control)
+        return nullptr;
+
+    return playerPrivate->control->nativePipeline();
+}
+
 QT_END_NAMESPACE
diff --git a/src/multimedia/platform/qplatformmediaplayer_p.h b/src/multimedia/platform/qplatformmediaplayer_p.h
index b31cbac89..6e3590763 100644
--- a/src/multimedia/platform/qplatformmediaplayer_p.h
+++ b/src/multimedia/platform/qplatformmediaplayer_p.h
@@ -124,6 +124,11 @@ public:
         Q_EMIT player->loopsChanged();
     }
 
+    virtual void *nativePipeline() { return nullptr; }
+
+    // private API, the purpose is getting GstPipeline
+    static void *nativePipeline(QMediaPlayer *player);
+
 protected:
     explicit QPlatformMediaPlayer(QMediaPlayer *parent = nullptr);