mirror of
https://github.com/encounter/rust-ffmpeg-zmwangx.git
synced 2026-07-10 21:18:40 -07:00
cargo: add build helper
This commit is contained in:
meh
Till Höppner
+9
-2
@@ -1,6 +1,7 @@
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[package]
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name = "ffmpeg-sys"
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version = "2.8.0-1"
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build = "build.rs"
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authors = ["meh. <meh@schizofreni.co>"]
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license = "WTFPL"
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@@ -13,9 +14,15 @@ keywords = ["audio", "video"]
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libc = "*"
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[features]
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default = ["avcodec", "avdevice", "avfilter", "avformat", "avresample", "postproc", "swresample", "swscale"]
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default = ["avcodec", "avdevice", "avfilter", "avformat", "avresample", "swresample", "swscale"]
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static = []
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build = ["static"]
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build-gpl = []
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build-nonfree = []
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build-version3 = []
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static = []
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avcodec = []
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avdevice = ["avformat"]
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avfilter = []
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+244
@@ -0,0 +1,244 @@
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use std::env;
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use std::fs;
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use std::io;
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use std::path::PathBuf;
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use std::process::Command;
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fn version() -> String {
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let major: u8 = env::var("CARGO_PKG_VERSION_MAJOR").unwrap().parse().unwrap();
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let minor: u8 = env::var("CARGO_PKG_VERSION_MINOR").unwrap().parse().unwrap();
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let patch: u8 = env::var("CARGO_PKG_VERSION_PATCH").unwrap().parse().unwrap();
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if patch == 0 {
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format!("{}.{}", major, minor)
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}
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else {
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format!("{}.{}.{}", major, minor, patch)
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}
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}
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fn output() -> PathBuf {
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PathBuf::from(env::var("OUT_DIR").unwrap())
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}
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fn source() -> PathBuf {
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output().join(format!("ffmpeg-{}", version()))
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}
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fn search() -> PathBuf {
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let mut absolute = env::current_dir().unwrap();
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absolute.push(&output());
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absolute.push("dist");
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absolute
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}
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fn fetch() -> io::Result<()> {
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let url = format!("http://ffmpeg.org/releases/ffmpeg-{}.tar.bz2", version());
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let status = try!(if cfg!(target_os = "linux") {
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Command::new("wget")
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.current_dir(&output())
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.arg(url)
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.arg("-c")
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.arg("-O")
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.arg("ffmpeg.tar.bz2")
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.status()
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}
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else {
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unimplemented!();
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});
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if status.success() {
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Ok(())
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}
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else {
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Err(io::Error::new(io::ErrorKind::Other, "fetch failed"))
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}
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}
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fn extract() -> io::Result<()> {
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let status = try!(if cfg!(target_os = "linux") {
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Command::new("tar")
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.current_dir(&output())
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.arg("xf")
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.arg("ffmpeg.tar.bz2")
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.status()
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}
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else {
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unimplemented!();
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});
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if status.success() {
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Ok(())
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}
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else {
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Err(io::Error::new(io::ErrorKind::Other, "extract failed"))
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}
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}
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fn build() -> io::Result<()> {
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let mut configure = Command::new("./configure");
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configure.current_dir(&source());
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configure.arg(format!("--prefix={}", search().to_string_lossy()));
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if env::var("TARGET").unwrap() != env::var("HOST").unwrap() {
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configure.arg(format!("--cross-prefix={}-", env::var("TARGET").unwrap()));
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}
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// control debug build
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if env::var("DEBUG").is_ok() {
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configure.arg("--enable-debug");
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configure.arg("--disable-stripping");
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}
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else {
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configure.arg("--disable-debug");
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configure.arg("--enable-stripping");
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}
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// make it static
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configure.arg("--enable-static");
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configure.arg("--disable-shared");
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// the binary using ffmpeg-sys must comply with GPL
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if env::var("CARGO_FEATURE_BUILD_GPL").is_ok() {
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configure.arg("--enable-gpl");
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}
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// the binary using ffmpeg-sys must comply with (L)GPLv3
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if env::var("CARGO_FEATURE_BUILD_VERSION3").is_ok() {
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configure.arg("--enable-version3");
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}
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// the binary using ffmpeg-sys cannot be redistributed
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if env::var("CARGO_FEATURE_BUILD_NONFREE").is_ok() {
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configure.arg("--enable-nonfree");
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}
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// do not build programs since we don't need them
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configure.arg("--disable-programs");
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// disable/enable building libraries based on features
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if env::var("CARGO_FEATURE_AVCODEC").is_ok() {
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configure.arg("--enable-avcodec");
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}
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else {
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configure.arg("--disable-avcodec");
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}
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if env::var("CARGO_FEATURE_AVDEVICE").is_ok() {
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configure.arg("--enable-avdevice");
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}
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else {
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configure.arg("--disable-avdevice");
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}
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if env::var("CARGO_FEATURE_AVFILTER").is_ok() {
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configure.arg("--enable-avfilter");
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}
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else {
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configure.arg("--disable-avfilter");
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}
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if env::var("CARGO_FEATURE_AVFORMAT").is_ok() {
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configure.arg("--enable-avformat");
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}
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else {
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configure.arg("--disable-avformat");
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}
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if env::var("CARGO_FEATURE_AVRESAMPLE").is_ok() {
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configure.arg("--enable-avresample");
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}
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else {
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configure.arg("--disable-avresample");
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}
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if env::var("CARGO_FEATURE_POSTPROC").is_ok() {
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if env::var("CARGO_FEATURE_BUILD_GPL").is_err() {
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return Err(io::Error::new(io::ErrorKind::Other, "postproc is GPL"));
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}
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configure.arg("--enable-postproc");
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}
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else {
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configure.arg("--disable-postproc");
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}
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if env::var("CARGO_FEATURE_SWRESAMPLE").is_ok() {
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configure.arg("--enable-swresample");
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}
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else {
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configure.arg("--disable-swresample");
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}
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if env::var("CARGO_FEATURE_SWSCALE").is_ok() {
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configure.arg("--enable-swscale");
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}
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else {
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configure.arg("--disable-swscale");
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}
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// enable external codecs
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configure.arg("--enable-avisynth");
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configure.arg("--enable-avresample");
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configure.arg("--enable-fontconfig");
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configure.arg("--enable-gnutls");
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configure.arg("--enable-ladspa");
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configure.arg("--enable-libass");
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configure.arg("--enable-libbluray");
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configure.arg("--enable-libfreetype");
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configure.arg("--enable-libfribidi");
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configure.arg("--enable-libgsm");
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configure.arg("--enable-libmodplug");
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configure.arg("--enable-libmp3lame");
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configure.arg("--enable-libopenjpeg");
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configure.arg("--enable-libopus");
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configure.arg("--enable-libpulse");
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configure.arg("--enable-libschroedinger");
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configure.arg("--enable-libsoxr");
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configure.arg("--enable-libspeex");
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configure.arg("--enable-libssh");
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configure.arg("--enable-libtheora");
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configure.arg("--enable-libv4l2");
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configure.arg("--enable-libvorbis");
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configure.arg("--enable-libvpx");
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configure.arg("--enable-libwebp");
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if env::var("CARGO_FEATURE_BUILD_GPL").is_ok() {
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configure.arg("--enable-libx264");
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configure.arg("--enable-libx265");
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configure.arg("--enable-libxvid");
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}
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if env::var("CARGO_FEATURE_BUILD_VERSION3").is_ok() {
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configure.arg("--enable-libopencore_amrnb");
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configure.arg("--enable-libopencore_amrwb");
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}
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if !try!(configure.status()).success() {
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return Err(io::Error::new(io::ErrorKind::Other, "configure failed"));
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}
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if !try!(Command::new("make").current_dir(&source()).status()).success() {
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return Err(io::Error::new(io::ErrorKind::Other, "make failed"));
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}
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if !try!(Command::new("make").current_dir(&source()).arg("install").status()).success() {
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return Err(io::Error::new(io::ErrorKind::Other, "install failed"));
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}
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Ok(())
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}
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fn main() {
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println!("cargo:rustc-link-search=native={}", search().join("lib").to_string_lossy());
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if fs::metadata(&search().join("lib").join("libavutil.a")).is_ok() {
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return;
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}
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fs::create_dir_all(&output()).ok().expect("failed to create build directory");
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fetch().unwrap();
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extract().unwrap();
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build().unwrap();
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}
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