video: add suport for VideoSessionParameters

Add support for VideoSessionParameters. These are used to deliver stream
metadata to the driver.

Author: dwlsalmeida

examples/src/bin/video.rs

@@ -6,8 +6,10 @@ use vulkano::{
     instance::{Instance, InstanceCreateFlags, InstanceCreateInfo},
     video::{
         CodecCapabilities, VideoDecodeCapabilityFlags, VideoDecodeH264PictureLayoutFlags,
-        VideoDecodeH264ProfileInfo, VideoFormatInfo, VideoProfileInfo, VideoProfileListInfo,
-        VideoSession, VideoSessionCreateInfo,
+        VideoDecodeH264ProfileInfo, VideoDecodeH264SessionParametersAddInfo, VideoFormatInfo,
+        VideoProfileInfo, VideoProfileListInfo, VideoSession, VideoSessionCreateInfo,
+        VideoSessionParameters, VideoSessionParametersCreateFlags,
+        VideoSessionParametersCreateInfo,
     },
     VulkanLibrary,
 };
@@ -175,4 +177,16 @@ fn main() {
 
     let video_session = VideoSession::new(Arc::clone(&device), video_session_create_info).unwrap();
     println!("video session: {:#?}", video_session);
+
+    let video_session_parameters_create_info = VideoSessionParametersCreateInfo::new(
+        VideoSessionParametersCreateFlags::empty(), None, Arc::clone(&video_session), vulkano::video::VideoSessionParametersCreateInfoNext::VideoDecodeH264SessionParametersCreateInfo { max_std_sps_count: 0, max_std_pps_count: 0, parameter_add_info: Some(VideoDecodeH264SessionParametersAddInfo {
+            std_sp_ss: vec![],
+            std_pp_ss: vec![],
+        }) }
+    );
+
+    let empty_session_parameters =
+        VideoSessionParameters::new(Arc::clone(&device), video_session_parameters_create_info)
+            .unwrap();
+    println!("empty session parameters: {:#?}", empty_session_parameters);
 }