feat(vaapi): add option to enable strict enforcement of frame size (#3332)

* feat(vaapi): add option to enable strict enforcement of frame size

* Eliminate the QP fallback code that was only required for VAAPI

src_assets/common/assets/web/config.html

@@ -257,6 +257,13 @@
               "vt_realtime": "enabled",
             },
           },
+          {
+            id: "vaapi",
+            name: "VA-API Encoder",
+            options: {
+              "vaapi_strict_rc_buffer": "disabled",
+            },
+          },
           {
             id: "sw",
             name: "Software Encoder",
@@ -283,7 +290,7 @@
           var app = document.getElementById("app");
           if (this.platform === "windows") {
             this.tabs = this.tabs.filter((el) => {
-              return el.id !== "vt";
+              return el.id !== "vt" && el.id !== "vaapi";
             });
           }
           if (this.platform === "linux") {
@@ -293,7 +300,7 @@
           }
           if (this.platform === "macos") {
             this.tabs = this.tabs.filter((el) => {
-              return el.id !== "amd" && el.id !== "nv" && el.id !== "qsv";
+              return el.id !== "amd" && el.id !== "nv" && el.id !== "qsv" && el.id !== "vaapi";
             });
           }
 

src_assets/common/assets/web/configs/tabs/ContainerEncoders.vue

@@ -5,6 +5,7 @@ import IntelQuickSyncEncoder from './encoders/IntelQuickSyncEncoder.vue'
 import AmdAmfEncoder from './encoders/AmdAmfEncoder.vue'
 import VideotoolboxEncoder from './encoders/VideotoolboxEncoder.vue'
 import SoftwareEncoder from './encoders/SoftwareEncoder.vue'
+import VAAPIEncoder from './encoders/VAAPIEncoder.vue'
 
 const props = defineProps([
   'platform',
@@ -45,6 +46,13 @@ const config = ref(props.config)
       :config="config"
   />
 
+  <!-- VAAPI Encoder Tab -->
+  <VAAPIEncoder
+      v-if="currentTab === 'vaapi'"
+      :platform="platform"
+      :config="config"
+  />
+
   <!-- Software Encoder Tab -->
   <SoftwareEncoder
       v-if="currentTab === 'sw'"

src_assets/common/assets/web/configs/tabs/encoders/VAAPIEncoder.vue

@@ -0,0 +1,28 @@
+<script setup>
+import { ref } from 'vue'
+
+const props = defineProps([
+  'platform',
+  'config',
+])
+
+const config = ref(props.config)
+</script>
+
+<template>
+  <div id="vaapi-encoder" class="config-page">
+    <!-- Strict RC Buffer -->
+    <div class="mb-3">
+      <label for="vaapi_strict_rc_buffer" class="form-label">{{ $t('config.vaapi_strict_rc_buffer') }}</label>
+      <select id="vaapi_strict_rc_buffer" class="form-select" v-model="config.vaapi_strict_rc_buffer">
+        <option value="enabled">{{ $t('_common.enabled') }}</option>
+        <option value="disabled">{{ $t('_common.disabled_def') }}</option>
+      </select>
+      <div class="form-text">{{ $t('config.vaapi_strict_rc_buffer_desc') }}</div>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+
+</style>

src_assets/common/assets/web/public/assets/locale/en.json

@@ -310,6 +310,8 @@
     "touchpad_as_ds4_desc": "If disabled, touchpad presence will not be taken into account during gamepad type selection.",
     "upnp": "UPnP",
     "upnp_desc": "Automatically configure port forwarding for streaming over the Internet",
+    "vaapi_strict_rc_buffer": "Strictly enforce frame bitrate limits for H.264/HEVC on AMD GPUs",
+    "vaapi_strict_rc_buffer_desc": "Enabling this option can avoid dropped frames over the network during scene changes, but video quality may be reduced during motion.",
     "virtual_sink": "Virtual Sink",
     "virtual_sink_desc": "Manually specify a virtual audio device to use. If unset, the device is chosen automatically. We strongly recommend leaving this field blank to use automatic device selection!",
     "virtual_sink_placeholder": "Steam Streaming Speakers",