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nvrl committed 2026-08-03 10:03:23 +02:00
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name: libmpv (Windows)
description: >
Provide libmpv's Windows development files. `libmpv2-sys` emits
`cargo:rustc-link-lib=mpv`, and mpv's Windows *player* build ships neither
mpv.lib nor libmpv-2.dll — they come from the separate mpv-dev archive. Sets
LIB for the linker, PATH so binaries find the DLL at run time, and
MPV_DEV_DIR for `scripts/build.ps1`.
outputs:
dir:
description: Directory holding libmpv-2.dll and mpv.lib.
value: ${{ steps.mpv.outputs.dir }}
runs:
using: composite
steps:
# lib.exe, for turning mpv.def into an import library.
- uses: ilammy/msvc-dev-cmd@v1
- id: mpv
shell: pwsh
run: |
$ErrorActionPreference = 'Stop'
$feed = [xml](Invoke-WebRequest -UseBasicParsing `
'https://sourceforge.net/projects/mpv-player-windows/rss?path=/libmpv').Content
# The "v3" variants are x86-64-v3 builds; take the baseline one.
$item = $feed.rss.channel.item |
Where-Object { $_.link -match 'mpv-dev-x86_64-2[^/]*\.7z/download$' } |
Select-Object -First 1
if (-not $item) { throw 'no mpv-dev build in the SourceForge feed' }
$archive = Join-Path $env:RUNNER_TEMP 'mpv-dev.7z'
$dir = Join-Path $env:RUNNER_TEMP 'mpv-dev'
Invoke-WebRequest -UseBasicParsing $item.link -OutFile $archive
7z x $archive "-o$dir" -y | Out-Null
$dll = Get-ChildItem -Path $dir -Filter 'libmpv-2.dll' -Recurse |
Select-Object -First 1
if (-not $dll) { throw "libmpv-2.dll not found under $dir" }
$libDir = $dll.Directory.FullName
# /NAME matters: without it the import library references mpv.dll, and
# the file that actually ships is libmpv-2.dll.
lib.exe /def:"$libDir\mpv.def" /name:libmpv-2.dll `
/out:"$libDir\mpv.lib" /machine:x64 | Out-Null
if ($LASTEXITCODE -ne 0) { throw 'lib.exe failed to build mpv.lib' }
"dir=$libDir" | Out-File $env:GITHUB_OUTPUT -Append -Encoding utf8
"MPV_DEV_DIR=$libDir" | Out-File $env:GITHUB_ENV -Append -Encoding utf8
"LIB=$libDir;$env:LIB" | Out-File $env:GITHUB_ENV -Append -Encoding utf8
$libDir | Out-File $env:GITHUB_PATH -Append -Encoding utf8
+39 -15
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@@ -10,11 +10,8 @@ env:
jobs:
gate:
strategy:
fail-fast: false
matrix:
os: [ubuntu-24.04, windows-latest]
runs-on: ${{ matrix.os }}
name: Gate (Linux)
runs-on: ubuntu-24.04
steps:
- uses: actions/checkout@v4
@@ -26,22 +23,49 @@ jobs:
- uses: Swatinem/rust-cache@v2
# libmpv for pstr-player. On Windows the DLL and import library are
# bundled from the mpv-dev build rather than installed system-wide.
- name: Install libmpv (Linux)
if: runner.os == 'Linux'
# libmpv for pstr-player.
- name: Install libmpv
run: |
sudo apt-get update
sudo apt-get install -y libmpv-dev
# Without this the test binaries do not link: there is no mpv.lib on the
# runner. See .github/actions/libmpv-windows.
- name: Install libmpv (Windows)
if: runner.os == 'Windows'
uses: ./.github/actions/libmpv-windows
- run: cargo fmt --all -- --check
- run: cargo clippy --workspace --all-targets -- -D warnings
- run: cargo test --workspace --locked
# The Windows artifacts are cross-compiled from Linux with mingw-w64 — see
# scripts/build-windows.sh — so this checks the target that actually ships.
# It is a compile check, not a test run: nothing here executes a Windows
# binary. libmpv is not linked at build time by anything but `-l mpv`, which
# is why the import library out of the mpv-dev archive is all it needs.
windows-cross:
name: Gate (Windows cross)
runs-on: ubuntu-24.04
steps:
- uses: actions/checkout@v4
- uses: dtolnay/rust-toolchain@stable
with:
toolchain: "1.96"
components: clippy
targets: x86_64-pc-windows-gnu
- uses: Swatinem/rust-cache@v2
- name: Install the cross toolchain
run: |
sudo apt-get update
sudo apt-get install -y mingw-w64 p7zip-full
- name: Fetch libmpv's Windows development files
env:
GITHUB_TOKEN: ${{ github.token }}
run: scripts/build-windows.sh --fetch-mpv mpv
- name: clippy (x86_64-pc-windows-gnu)
run: |
RUSTFLAGS="-L native=$PWD/dist/mpv-dev" \
cargo clippy --workspace --all-targets \
--target x86_64-pc-windows-gnu -- -D warnings
+15 -8
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@@ -96,28 +96,35 @@ jobs:
dist/*.rpm
if-no-files-found: error
# Cross-compiled from Linux with mingw-w64, and the .msi built by wixl rather
# than WiX — scripts/build-windows.sh, which is how these artifacts have been
# produced by hand. A windows runner would need MSVC's mpv.lib, and current
# mpv-dev archives ship only the mingw import library.
windows:
name: Windows artifacts
needs: verify
runs-on: windows-latest
runs-on: ubuntu-24.04
steps:
- uses: actions/checkout@v4
- uses: dtolnay/rust-toolchain@stable
with:
toolchain: "1.96"
targets: x86_64-pc-windows-gnu
- uses: Swatinem/rust-cache@v2
# Sets MPV_DEV_DIR, which is what build.ps1 reads when -MpvDev is absent.
- name: Install libmpv
uses: ./.github/actions/libmpv-windows
# mingw-w64 for the cross compile, msitools for wixl, p7zip for the
# mpv-dev archive.
- name: Install the cross toolchain
run: |
sudo apt-get update
sudo apt-get install -y mingw-w64 msitools zip p7zip-full
# build.ps1 installs the WiX toolset itself if `wix` is missing, and the
# runner has the .NET SDK it needs for that.
- name: Build the portable .zip and the .msi
shell: pwsh
run: scripts\build.ps1 -Artifacts zip,msi
env:
GITHUB_TOKEN: ${{ github.token }}
run: scripts/build-windows.sh --fetch-mpv
- uses: actions/upload-artifact@v4
with:
+15 -13
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@@ -69,18 +69,20 @@ so the linker wants an import library named `mpv.lib` and the process wants
`libmpv-2.dll` at run time. Neither ships with mpv's Windows *player* build —
both come from the separate **mpv-dev** archive:
<https://sourceforge.net/projects/mpv-player-windows/files/libmpv/>
<https://github.com/shinchiro/mpv-winbuild-cmake/releases/latest>
Unpack it and point the script at it:
(The SourceForge project these are better known by mirrors the same builds, but
its `/download` URLs hand anything that does not look like a browser an HTML
interstitial, so `--fetch-mpv` goes to the source.)
```powershell
scripts\build.ps1 -MpvDev C:\mpv-dev
```
If that directory has `mpv.def` but no `mpv.lib`, the script generates the import
library with `lib.exe` (`/name:libmpv-2.dll`, so it references the DLL that
actually ships). It finds `lib.exe` on `PATH` or imports the MSVC environment via
`vswhere`, so a plain PowerShell session works.
**The cross build from Linux is the supported path, and the one CI uses** —
`scripts/build-windows.sh --fetch-mpv` fetches the archive, links against its
`libmpv.dll.a` with mingw-w64 and builds the `.msi` with `wixl`. On a real
Windows box `scripts\build.ps1 -MpvDev C:\mpv-dev` does the MSVC equivalent, but
note that it needs an `mpv.lib` or an `mpv.def` to generate one from with
`lib.exe`, and **current mpv-dev archives ship neither** — only the mingw import
library. Producing `mpv.lib` from a recent archive means writing the `.def`
yourself from `dumpbin /exports libmpv-2.dll`.
There is no static libmpv worth shipping, so **"standalone exe" means the exe
plus `libmpv-2.dll` beside it** — that pair, plus `pstr.exe` and the README, is
@@ -131,9 +133,9 @@ almost every field in it is computed.
## Releasing
A release is a `v<version>` tag on `main`; `.github/workflows/release.yml` does
the rest. It runs the CI gate and `scripts/build.sh tarball deb rpm` on Linux,
`scripts\build.ps1 -Artifacts zip,msi` on Windows, and publishes both sets plus
a `SHA256SUMS` to a GitHub release. So the steps are:
the rest. Every job runs on Linux: `scripts/build.sh tarball deb rpm` for the
Linux artifacts and `scripts/build-windows.sh --fetch-mpv` for the Windows ones,
published together with a `SHA256SUMS` to a GitHub release. So the steps are:
```bash
# 1. bump Cargo.toml's workspace version *and* packaging/PKGBUILD's pkgver
+26 -11
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@@ -45,7 +45,13 @@ readonly CLI_BIN="pstr.exe"
# The mpv-dev archive: libmpv-2.dll plus the import library to link against.
# mpv's *player* build ships neither.
readonly MPV_INDEX="https://sourceforge.net/projects/mpv-player-windows/rss?path=/libmpv"
#
# Fetched from shinchiro's releases rather than the SourceForge mirror the
# archive is better known by: SourceForge's `/download` URLs answer anything
# that does not look like a browser with an HTML interstitial, which lands as a
# file called mpv-dev.7z that is not an archive. These are the same builds — the
# SourceForge project mirrors them.
readonly MPV_RELEASE="https://api.github.com/repos/shinchiro/mpv-winbuild-cmake/releases/latest"
VERSION="$(grep -m1 '^version' "$ROOT/Cargo.toml" | cut -d'"' -f2)"
readonly VERSION
@@ -66,6 +72,7 @@ usage() {
usage: scripts/build-windows.sh [options] [artifact ...]
artifacts
mpv resolve libmpv's development files into dist/mpv-dev and stop
binaries cargo build --release --target ${TARGET}, then stage dist/windows
zip dist/${PKGNAME}-${VERSION}-x86_64-windows.zip
msi dist/${PKGNAME}-${VERSION}-x64.msi (needs wixl)
@@ -100,7 +107,7 @@ done
[[ ${#TARGETS[@]} -eq 0 ]] && TARGETS=(all)
for t in "${TARGETS[@]}"; do
case "$t" in
binaries|zip|msi|all) ;;
mpv|binaries|zip|msi|all) ;;
*) echo "unknown artifact: $t" >&2; usage >&2; exit 2 ;;
esac
done
@@ -128,15 +135,20 @@ fetch_mpv() {
have curl || die "--fetch-mpv needs curl"
have 7z || die "--fetch-mpv needs 7z (p7zip)"
# The asset names are mpv-dev-<arch>-<date>-git-<sha>.7z; the date is what
# keeps this off the i686, aarch64 and v3 builds in the same release.
local url
url="$(curl -sL --max-time 60 "$MPV_INDEX" \
| grep -o '<link>[^<]*mpv-dev-x86_64-2[^<]*\.7z/download</link>' \
| sed 's|<link>||; s|</link>||' | head -1)"
[[ -n "$url" ]] || die "could not find an mpv-dev build in the SourceForge feed"
url="$(curl -sL --max-time 60 ${GITHUB_TOKEN:+-H "Authorization: Bearer $GITHUB_TOKEN"} "$MPV_RELEASE" \
| grep -o '"browser_download_url": *"[^"]*mpv-dev-x86_64-20[0-9]*-git-[^"]*\.7z"' \
| sed 's|.*: *"||; s|"$||' | head -1)"
[[ -n "$url" ]] || die "no mpv-dev build in the latest shinchiro/mpv-winbuild-cmake release"
log "downloading $(basename "$(dirname "$url")")"
log "downloading $(basename "$url")"
mkdir -p "$dest"
curl -L --max-time 600 -o "$dest.7z" "$url"
# A download that fetched an error page instead of the archive fails inside 7z
# with something unrelated to what went wrong; say it here.
[[ "$(head -c2 "$dest.7z")" == "7z" ]] || die "$url did not return a 7z archive"
7z x -y -o"$dest" "$dest.7z" >/dev/null
rm -f "$dest.7z"
MPV_DEV="$dest"
@@ -156,9 +168,9 @@ resolve_mpv() {
fi
[[ -n "$MPV_DEV" ]] || die "$(cat <<EOF
no libmpv development files. Either pass --fetch-mpv, or download the mpv-dev
archive from
https://sourceforge.net/projects/mpv-player-windows/files/libmpv/
no libmpv development files. Either pass --fetch-mpv, or download an
mpv-dev-x86_64-*.7z from
https://github.com/shinchiro/mpv-winbuild-cmake/releases/latest
unpack it, and pass --mpv-dev <dir> or set MPV_DEV_DIR.
EOF
)"
@@ -278,10 +290,13 @@ make_msi() {
mkdir -p "$DIST"
# Only the compile and the staging copy need libmpv; repackaging out of
# dist/windows does not, so `--skip-build msi` works with no mpv-dev at hand.
[[ " ${TARGETS[*]} " == *" binaries "* ]] && resolve_mpv
if [[ " ${TARGETS[*]} " == *" binaries "* || " ${TARGETS[*]} " == *" mpv "* ]]; then
resolve_mpv
fi
for t in "${TARGETS[@]}"; do
case "$t" in
mpv) log "libmpv at $MPV_DIR" ;; # resolve_mpv above did the work
binaries) build; stage ;;
zip) [[ -d "$OUTDIR" ]] || die 'nothing staged — run the binaries artifact first'; make_zip ;;
msi) [[ -d "$OUTDIR" ]] || die 'nothing staged — run the binaries artifact first'; make_msi ;;