Add a command line option to disable the encode paramter optimizations flag bit.

Signed-off-by: Raju Konda <[email protected]>

Author: krajunv

vk_video_encoder/libs/VkVideoEncoder/VkEncoderConfig.cpp

@@ -70,6 +70,8 @@ static void printHelp(VkVideoCodecOperationFlagBitsKHR codec)
     --qpI                           <integer> : QP or QIndex (for AV1) used for I-frames when RC disabled\n\
     --qpP                           <integer> : QP or QIndex (for AV1) used for P-frames when RC disabled\n\
     --qpB                           <integer> : QP or QIndex (for AV1) used for B-frames when RC disabled\n\
+    --disableEncodeParameterOptimizations     : Disables encode parameter optimization flag bit in VkVideoSessionCreateFlagsKHR \n\
+                                                when creating a video session\n\
     --deviceID                      <hexadec> : deviceID to be used, \n\
     --deviceUuid                    <string>  : deviceUuid to be used \n\
     --enableHwLoadBalancing                   : enables HW load balancing using multiple encoder devices when available \n\
@@ -505,6 +507,8 @@ int EncoderConfig::ParseArguments(int argc, const char *argv[])
                     fprintf(stderr, "invalid parameter for %s\n", args[i - 1].c_str());
                     return -1;
                 }
+        } else if (args[i] == "--disableEncodeParameterOptimizations") {
+            disableEncodeParameterOptimizations = true;
         } else if (args[i] == "--deviceID") {
             if ((++i >= argc) || (sscanf(args[i].c_str(), "%x", &deviceId) != 1)) {
                  fprintf(stderr, "invalid parameter for %s\n", args[i - 1].c_str());

vk_video_encoder/libs/VkVideoEncoder/VkEncoderConfig.h

@@ -860,6 +860,7 @@ struct EncoderConfig : public VkVideoRefCountBase {
     // 2: replicate only one row and one column to the padding area;
     uint32_t enablePictureRowColReplication : 2;
     uint32_t enableOutOfOrderRecording : 1; // Testing only - don't use for production!
+    uint32_t disableEncodeParameterOptimizations : 1;
 
     EncoderConfig()
     : refCount(0)
@@ -957,6 +958,7 @@ struct EncoderConfig : public VkVideoRefCountBase {
     , repeatInputFrames(false)
     , enablePictureRowColReplication(1)
     , enableOutOfOrderRecording(false)
+    , disableEncodeParameterOptimizations(false)
     { }
 
     virtual ~EncoderConfig() {}

vk_video_encoder/libs/VkVideoEncoder/VkVideoEncoder.cpp

@@ -917,7 +917,9 @@ VkResult VkVideoEncoder::InitEncoder(VkSharedBaseObj<EncoderConfig>& encoderConf
     VkVideoSessionCreateFlagsKHR sessionCreateFlags{};
     void* sessionCreateInfoChain = nullptr;
 
-    sessionCreateFlags |= VK_VIDEO_SESSION_CREATE_ALLOW_ENCODE_PARAMETER_OPTIMIZATIONS_BIT_KHR;
+    if (!m_encoderConfig->disableEncodeParameterOptimizations) {
+        sessionCreateFlags |= VK_VIDEO_SESSION_CREATE_ALLOW_ENCODE_PARAMETER_OPTIMIZATIONS_BIT_KHR;
+    }
 #ifdef VK_KHR_video_maintenance1
     m_videoMaintenance1FeaturesSupported = VulkanVideoCapabilities::GetVideoMaintenance1FeatureSupported(m_vkDevCtx);
     if (m_videoMaintenance1FeaturesSupported) {