harvid: 0.9.0 -> 0.9.1; tidy up

[emilazy]

Description of changes

Includes fixes for FFmpeg ≥ 5 and parallel building. I also made it work on macOS.

Result of nixpkgs-review run on aarch64-linux 1

1 package failed to build:

• ardour_7

2 packages built:

• ardour
• harvid

The ardour_7 failure seems unrelated, as it is already broken on Hydra.

Diff: x42/harvid@v0.9.0...v0.9.1

Things done

• Built on platform(s)
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
• For non-Linux: Is sandboxing enabled in nix.conf? (See Nix manual)
  • sandbox = relaxed
  • sandbox = true
• Tested, as applicable:
  • NixOS test(s) (look inside nixos/tests)
  • and/or package tests
  • or, for functions and "core" functionality, tests in lib/tests or pkgs/test
  • made sure NixOS tests are linked to the relevant packages
• Tested compilation of all packages that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all changes have to be committed, also see nixpkgs-review usage
• Tested basic functionality of all binary files (usually in ./result/bin/)
• 24.11 Release Notes (or backporting 23.11 and 24.05 Release notes)
  • (Package updates) Added a release notes entry if the change is major or breaking
  • (Module updates) Added a release notes entry if the change is significant
  • (Module addition) Added a release notes entry if adding a new NixOS module
• Fits CONTRIBUTING.md.

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[mitchmindtree]

Thanks @emilazy 🙏

I checked linux ✔️ then and also checked apple darwin with:

NIXPKGS_ALLOW_UNSUPPORTED_SYSTEM=1 nix shell --impure github:emilazy/nixpkgs/push-xlsnptznlrsl#harvid

and it seems to work nicely too!

> harvid --help                                                                                                                                                                         ~
harvid - http ardour video server

Usage: harvid [OPTION] [document-root]
# ...

> nix-info -m                                                                                                                                                                           ~
 - system: `"aarch64-darwin"`
 - host os: `Darwin 22.5.0, macOS 13.4.1`
 - multi-user?: `yes`
 - sandbox: `yes`
 - version: `nix-env (Nix) 2.21.0`
 - channels(root): `"nixpkgs"`
 - nixpkgs: `/nix/var/nix/profiles/per-user/root/channels/nixpkgs`

Will leave it up to you on whether or not to add the system though 👍

[emilazy]

Oh, oops, I dropped the platforms change when splitting up the commits :) Fixed! Hopefully it should build out of the box for you now. Thanks for the quick review!