install: refresh gstreamer registry for nvidia

Cargo.lock

@@ -1652,7 +1652,7 @@ checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
 
 [[package]]
 name = "lesavka_client"
-version = "0.22.8"
+version = "0.22.9"
 dependencies = [
  "anyhow",
  "async-stream",
@@ -1686,7 +1686,7 @@ dependencies = [
 
 [[package]]
 name = "lesavka_common"
-version = "0.22.8"
+version = "0.22.9"
 dependencies = [
  "anyhow",
  "base64",
@@ -1698,7 +1698,7 @@ dependencies = [
 
 [[package]]
 name = "lesavka_server"
-version = "0.22.8"
+version = "0.22.9"
 dependencies = [
  "anyhow",
  "base64",

client/Cargo.toml

@@ -4,7 +4,7 @@ path                    = "src/main.rs"
 
 [package]
 name                    = "lesavka_client"
-version                 = "0.22.8"
+version                 = "0.22.9"
 edition                 = "2024"
 
 [dependencies]

common/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name                    = "lesavka_common"
-version                 = "0.22.8"
+version                 = "0.22.9"
 edition                 = "2024"
 build                   = "build.rs"
 

scripts/install/client.sh

@@ -124,7 +124,7 @@ require_linkable() {
 
 require_gst_element() {
   local element=$1
-  if gst-inspect-1.0 "$element" >/dev/null 2>&1; then
+  if run_as_user gst-inspect-1.0 "$element" >/dev/null 2>&1; then
     return 0
   fi
   echo "❌ required GStreamer element '$element' is unavailable after install." >&2
@@ -132,7 +132,7 @@ require_gst_element() {
 }
 
 gst_element_available() {
-  gst-inspect-1.0 "$1" >/dev/null 2>&1
+  run_as_user gst-inspect-1.0 "$1" >/dev/null 2>&1
 }
 
 first_available_gst_element() {
@@ -147,7 +147,7 @@ first_available_gst_element() {
 }
 
 report_client_media_acceleration() {
-  log "1e. Inspecting client media acceleration routes"
+  log "1f. Inspecting client media acceleration routes"
 
   local hevc_encoder=""
   local ffmpeg_hevc_encoder=""
@@ -161,6 +161,7 @@ report_client_media_acceleration() {
 
   hevc_encoder=$(first_available_gst_element \
     nvh265enc \
+    nvautogpuh265enc \
     vah265enc \
     vaapih265enc \
     v4l2h265enc || true)
@@ -170,13 +171,13 @@ report_client_media_acceleration() {
   fi
   h264_encoder=$(first_available_gst_element \
     nvh264enc \
-    vulkanh264enc \
+    nvautogpuh264enc \
+    vah264enc \
     vaapih264enc \
     v4l2h264enc || true)
   h264_decoder=$(first_available_gst_element \
     nvh264dec \
     nvh264sldec \
-    vulkanh264dec \
     vah264dec \
     vaapih264dec \
     v4l2h264dec \
@@ -185,7 +186,7 @@ report_client_media_acceleration() {
   opus_decoder=$(first_available_gst_element opusdec || true)
   webrtc_dsp=$(first_available_gst_element webrtcdsp || true)
 
-  for element in nvh265enc nvh264dec nvh264sldec; do
+  for element in nvh265enc nvautogpuh265enc nvh265dec nvh264enc nvautogpuh264enc nvh264dec nvh264sldec; do
     if gst_element_available "$element"; then
       proprietary_bits+=("$element")
     fi
@@ -286,6 +287,18 @@ run_as_user() {
   sudo -u "$ORIG_USER" env HOME="$USER_HOME" SSH_AUTH_SOCK="${SSH_AUTH_SOCK:-}" "$@"
 }
 
+refresh_gstreamer_registry_cache() {
+  log "1e. Refreshing GStreamer plugin registry"
+  run_as_user mkdir -p "$USER_HOME/.cache/gstreamer-1.0"
+  run_as_user rm -f "$USER_HOME/.cache/gstreamer-1.0"/registry.* 2>/dev/null || true
+  sudo rm -f /root/.cache/gstreamer-1.0/registry.* 2>/dev/null || true
+
+  # Touch the GPU codec plugins after cache removal so stale pre-driver caches
+  # cannot hide NVIDIA/VAAPI decoder factories from the live desktop app.
+  run_as_user gst-inspect-1.0 nvcodec >/dev/null 2>&1 || true
+  run_as_user gst-inspect-1.0 va >/dev/null 2>&1 || true
+}
+
 install_verified_executable() {
   local src=$1
   local dest=$2
@@ -486,6 +499,7 @@ if [[ -e /usr/lib/libclang.so ]]; then
   require_linkable /usr/lib/libclang.so "libclang"
 fi
 require_kernel_module snd_usb_audio "USB microphones and USB headsets"
+refresh_gstreamer_registry_cache
 require_gst_element pulsesrc
 require_gst_element pulsesink
 require_gst_element pipewiresrc

scripts/manual/run_hardware_media_smoke.sh

@@ -177,12 +177,16 @@ require_prereqs() {
 
 select_gst_h264_decoder() {
   local decoder
-  for decoder in nvh264sldec nvh264dec vulkanh264dec vaapih264dec vaapi264dec v4l2h264dec; do
+  for decoder in nvh264dec nvh264sldec vah264dec vaapih264dec vaapi264dec v4l2h264dec v4l2slh264dec; do
     if gst_has "${decoder}"; then
       printf '%s\n' "${decoder}"
       return 0
     fi
   done
+  if [[ ${LESAVKA_ALLOW_VULKAN_H264_DECODER:-0} == 1 ]] && gst_has vulkanh264dec; then
+    printf '%s\n' vulkanh264dec
+    return 0
+  fi
   return 1
 }
 
@@ -191,7 +195,7 @@ gst_h264_decode_chain() {
     vulkanh264dec)
       printf '%s\n' 'vulkanh264dec discard-corrupted-frames=true automatic-request-sync-points=true ! vulkandownload'
       ;;
-    nvh264sldec|nvh264dec|vaapih264dec|vaapi264dec|v4l2h264dec)
+    nvh264sldec|nvh264dec|vah264dec|vaapih264dec|vaapi264dec|v4l2h264dec|v4l2slh264dec)
       printf '%s\n' "$1"
       ;;
     *)

server/Cargo.toml

@@ -10,7 +10,7 @@ bench                   = false
 
 [package]
 name                    = "lesavka_server"
-version                 = "0.22.8"
+version                 = "0.22.9"
 edition                 = "2024"
 autobins                = false
 

tests/installer/scripts/install/client_install_script_contract.rs

@@ -83,6 +83,11 @@ fn client_install_prefers_invoked_checkout_for_development_installs() {
 fn client_install_reports_nvidia_and_open_source_media_routes() {
     for expected in [
         "report_client_media_acceleration",
+        "refresh_gstreamer_registry_cache",
+        "Refreshing GStreamer plugin registry",
+        "run_as_user rm -f \"$USER_HOME/.cache/gstreamer-1.0\"/registry.*",
+        "gst-inspect-1.0 nvcodec",
+        "gst-inspect-1.0 va",
         "gst_element_available",
         "first_available_gst_element",
         "nvidia-smi is available",
@@ -91,9 +96,13 @@ fn client_install_reports_nvidia_and_open_source_media_routes() {
         "proprietary NVIDIA GStreamer route",
         "Vulkan/VAAPI/V4L2 GStreamer route",
         "nvh265enc",
+        "nvautogpuh265enc",
+        "nvh265dec",
         "nvh264enc",
+        "nvautogpuh264enc",
         "nvh264dec",
         "nvh264sldec",
+        "vah264enc",
         "vulkanh264enc",
         "vulkanh264dec",
         "vulkanh265dec",

tests/manual/hardware_media/hardware_media_smoke_contract.rs

@@ -37,8 +37,11 @@ fn hardware_media_smoke_uses_accelerated_video_paths() {
         "h264_nvenc",
         "hevc_cuvid",
         "h264_cuvid",
+        "vah264dec",
         "vulkanh264dec",
+        "v4l2slh264dec",
         "v4l2slh265dec",
+        "LESAVKA_ALLOW_VULKAN_H264_DECODER",
         "no sudo, no systemctl, no UVC gadget reset",
     ] {
         assert!(