From 0a301dd2f97517a90666bd84145fb9c10c3c55e0 Mon Sep 17 00:00:00 2001
From: liyu <liyu@redhat.com>
Date: Thu, 18 Nov 2021 12:56:26 +0800
Subject: [PATCH] enables H265 HDR option and adds PQ transforeFunction to
 render HDR stream on macOS 10.13+

---
 app/gui/SettingsView.qml                   | 4 ++--
 app/streaming/video/ffmpeg-renderers/vt.mm | 6 ++++++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/app/gui/SettingsView.qml b/app/gui/SettingsView.qml
index 1d880a75..c798a67d 100644
--- a/app/gui/SettingsView.qml
+++ b/app/gui/SettingsView.qml
@@ -1313,10 +1313,10 @@ Flickable {
                             text: qsTr("HEVC (H.265)")
                             val: StreamingPreferences.VCC_FORCE_HEVC
                         }
-                        /*ListElement {
+                        ListElement {
                             text: qsTr("HEVC HDR (Experimental)")
                             val: StreamingPreferences.VCC_FORCE_HEVC_HDR
-                        }*/
+                        }
                     }
                     // ::onActivated must be used, as it only listens for when the index is changed by a human
                     onActivated : {
diff --git a/app/streaming/video/ffmpeg-renderers/vt.mm b/app/streaming/video/ffmpeg-renderers/vt.mm
index 39b54dc0..e7aa103b 100644
--- a/app/streaming/video/ffmpeg-renderers/vt.mm
+++ b/app/streaming/video/ffmpeg-renderers/vt.mm
@@ -222,6 +222,12 @@ public:
                                   kCVImageBufferTransferFunction_ITU_R_2020,
                                   kCVAttachmentMode_ShouldPropagate);
             break;
+        case AVCOL_TRC_SMPTE2084:
+            CVBufferSetAttachment(pixBuf,
+                                  kCVImageBufferTransferFunctionKey,
+                                  kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ,
+                                  kCVAttachmentMode_ShouldPropagate);
+            break;
         default:
             break;
         }