feat: add download url for mac m1

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ffmpeg-sidecar"
-version = "0.4.1"
+version = "0.5.0"
 edition = "2021"
 description = "Wrap a standalone FFmpeg binary in an intuitive Iterator interface."
 authors = ["Nathan Babcock <nathan.r.babcock@gmail.com>"]

src/download.rs

@@ -36,20 +36,18 @@ pub fn ffmpeg_manifest_url() -> Result<&'static str> {
 /// URL for the latest published FFmpeg release. The correct URL for the target
 /// platform is baked in at compile time.
 pub fn ffmpeg_download_url() -> Result<&'static str> {
-  if cfg!(not(target_arch = "x86_64")) {
-    return Err(Error::msg(
-      "Downloads must be manually provided for non-x86_64 architectures",
-    ));
-  }
-
-  if cfg!(target_os = "windows") {
+  if cfg!(all(target_os = "windows", target_arch = "x86_64")) {
     Ok("https://www.gyan.dev/ffmpeg/builds/ffmpeg-release-essentials.zip")
-  } else if cfg!(target_os = "macos") {
-    Ok("https://evermeet.cx/ffmpeg/getrelease")
-  } else if cfg!(target_os = "linux") {
+  } else if cfg!(all(target_os = "linux", target_arch = "x86_64")) {
     Ok("https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xz")
+  } else if cfg!(all(target_os = "macos", target_arch = "x86_64")) {
+    Ok("https://evermeet.cx/ffmpeg/getrelease")
+  } else if cfg!(all(target_os = "macos", target_arch = "aarch64")) {
+    Ok("https://www.osxexperts.net/ffmpeg6arm.zip") // Mac M1
   } else {
-    Err(Error::msg("Unsupported platform"))
+    Err(Error::msg(
+      "Unsupported platform; you can provide your own URL instead and call download_ffmpeg_package directly.",
+    ))
   }
 }