[vcpkg baseline][ffmpeg] Fix dependency alsa (#22110)

ports/ffmpeg/portfile.cmake

@@ -12,6 +12,9 @@ if("ffprobe" IN_LIST FEATURES)
     vcpkg_fail_port_install(ON_TARGET "UWP" MESSAGE "Feature 'ffprobe' does not support 'uwp'")
 endif()
 
+if ("alsa" IN_LIST FEATURES AND NOT VCPKG_TARGET_IS_LINUX)
+    message(FATAL_ERROR "Feature 'alsa' only support 'linux'")
+endif()
 
 if("aom" IN_LIST FEATURES)
     if (VCPKG_TARGET_ARCHITECTURE STREQUAL "arm" OR VCPKG_TARGET_ARCHITECTURE STREQUAL "arm64" OR VCPKG_TARGET_IS_UWP)
@@ -274,6 +277,10 @@ else()
     set(OPTIONS "${OPTIONS} --disable-ffprobe")
 endif()
 
+if (NOT "alsa" IN_LIST FEATURES)
+    set(OPTIONS "${OPTIONS} --disable-alsa")
+endif()
+
 if("avcodec" IN_LIST FEATURES)
     set(OPTIONS "${OPTIONS} --enable-avcodec")
     set(ENABLE_AVCODEC ON)

ports/ffmpeg/vcpkg.json

@@ -1,7 +1,7 @@
 {
   "name": "ffmpeg",
   "version": "4.4.1",
-  "port-version": 2,
+  "port-version": 3,
   "description": [
     "a library to decode, encode, transcode, mux, demux, stream, filter and play pretty much anything that humans and machines have created.",
     "FFmpeg is the leading multimedia framework, able to decode, encode, transcode, mux, demux, stream, filter and play pretty much anything that humans and machines have created. It supports the most obscure ancient formats up to the cutting edge. No matter if they were designed by some standards committee, the community or a corporation. It is also highly portable: FFmpeg compiles, runs, and passes our testing infrastructure FATE across Linux, Mac OS X, Microsoft Windows, the BSDs, Solaris, etc. under a wide variety of build environments, machine architectures, and configurations."
@@ -57,6 +57,14 @@
             "zlib"
           ]
         },
+        {
+          "name": "ffmpeg",
+          "default-features": false,
+          "features": [
+            "alsa"
+          ],
+          "platform": "linux"
+        },
         {
           "name": "ffmpeg",
           "default-features": false,
@@ -240,6 +248,12 @@
         }
       ]
     },
+    "alsa": {
+      "description": "Enable ALSA support",
+      "dependencies": [
+        "alsa"
+      ]
+    },
     "aom": {
       "description": "AV1 video encoding/decoding via libaom support in ffmpeg",
       "dependencies": [

versions/baseline.json

@@ -2142,7 +2142,7 @@
     },
     "ffmpeg": {
       "baseline": "4.4.1",
-      "port-version": 2
+      "port-version": 3
     },
     "ffnvcodec": {
       "baseline": "11.1.5.0",

versions/f-/ffmpeg.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "00480edd2a451f2a3a55452779f524709ee52585",
+      "version": "4.4.1",
+      "port-version": 3
+    },
     {
       "git-tree": "7576aa6e0cfa9b2e58abe51484cab6fd16337465",
       "version": "4.4.1",