fix linux ffmpeg link, still link ffmpeg in hwcodec (#8747)

Signed-off-by: 21pages <sunboeasy@gmail.com>

libs/scrap/build.rs

@@ -189,6 +189,8 @@ fn gen_vcpkg_package(package: &str, ffi_header: &str, generated: &str, regex: &s
 }
 
 // If you have problems installing ffmpeg, you can download $VCPKG_ROOT/installed from ci
+// Linux require link in hwcodec
+/*
 fn ffmpeg() {
     // ffmpeg
     let target_os = std::env::var("CARGO_CFG_TARGET_OS").unwrap();
@@ -230,6 +232,7 @@ fn ffmpeg() {
         println!("cargo:rustc-link-lib=framework=AVFoundation");
     }
 }
+*/
 
 fn main() {
     // note: all link symbol names in x86 (32-bit) are prefixed wth "_".
@@ -247,7 +250,7 @@ fn main() {
     gen_vcpkg_package("libvpx", "vpx_ffi.h", "vpx_ffi.rs", "^[vV].*");
     gen_vcpkg_package("aom", "aom_ffi.h", "aom_ffi.rs", "^(aom|AOM|OBU|AV1).*");
     gen_vcpkg_package("libyuv", "yuv_ffi.h", "yuv_ffi.rs", ".*");
-    ffmpeg();
+    // ffmpeg();
 
     // there is problem with cfg(target_os) in build.rs, so use our workaround
     let target_os = std::env::var("CARGO_CFG_TARGET_OS").unwrap();