Refactor fn build in build script (#25)
* Introduce helper fn cargo_feature_enabled * Move switch and enable! to trait This allows a simpler `configure.` invocation * Move external libraries into static list * Fix incorrect feature name for libdrm
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FreezyLemon
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82336f4dbb
@ -29,14 +29,6 @@ impl Library {
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features,
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}
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}
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fn feature_name(&self) -> Option<String> {
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if self.is_feature {
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Some("CARGO_FEATURE_".to_string() + &self.name.to_uppercase())
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} else {
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None
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}
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}
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}
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static LIBRARIES: &[Library] = &[
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@ -236,6 +228,33 @@ impl ParseCallbacks for Callbacks {
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}
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}
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trait FFmpegConfigure {
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fn switch(&mut self, feature: &str, option_name: &str);
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fn enable(&mut self, feature: &str, option_name: &str);
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}
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impl FFmpegConfigure for Command {
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fn switch(&mut self, feature: &str, option_name: &str) {
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let arg = if cargo_feature_enabled(feature) {
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format!("--enable-{option_name}")
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} else {
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format!("--disable-{option_name}")
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};
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self.arg(arg);
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}
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fn enable(&mut self, feature: &str, option_name: &str) {
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if cargo_feature_enabled(feature) {
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self.arg(format!("--enable-{option_name}"));
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}
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}
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}
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fn cargo_feature_enabled(feature: &str) -> bool {
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env::var(format!("CARGO_FEATURE_{}", feature.to_uppercase())).is_ok()
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}
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fn ffmpeg_version() -> String {
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env!("CARGO_PKG_VERSION")
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.split('+')
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@ -285,14 +304,60 @@ fn fetch() -> io::Result<()> {
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}
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}
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fn switch(configure: &mut Command, feature: &str, name: &str) {
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let arg = if env::var("CARGO_FEATURE_".to_string() + feature).is_ok() {
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"--enable-"
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} else {
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"--disable-"
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};
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configure.arg(arg.to_string() + name);
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}
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// left side: cargo feature name ("CARGO_FEATURE_BUILD_LIB_{}")
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// right side: FFmpeg configure name ("--enable-{}")
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static EXTERNAL_BUILD_LIBS: &[(&str, &str)] = &[
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// SSL
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("GNUTLS", "gnutls"),
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("OPENSSL", "openssl"),
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// Filters
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("FONTCONFIG", "fontconfig"),
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("FREI0R", "frei0r"),
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("LADSPA", "ladspa"),
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("ASS", "libass"),
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("FREETYPE", "libfreetype"),
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("FRIBIDI", "libfribidi"),
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("OPENCV", "libopencv"),
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("VMAF", "libvmaf"),
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// Encoders/decoders
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("AACPLUS", "libaacplus"),
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("CELT", "libcelt"),
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("DCADEC", "libdcadec"),
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("DAV1D", "libdav1d"),
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("FAAC", "libfaac"),
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("FDK_AAC", "libfdk-aac"),
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("GSM", "libgsm"),
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("ILBC", "libilbc"),
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("VAZAAR", "libvazaar"),
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("MP3LAME", "libmp3lame"),
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("OPENCORE_AMRNB", "libopencore-amrnb"),
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("OPENCORE_AMRWB", "libopencore-amrwb"),
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("OPENH264", "libopenh264"),
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("OPENH265", "libopenh265"),
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("OPENJPEG", "libopenjpeg"),
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("OPUS", "libopus"),
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("SCHROEDINGER", "libschroedinger"),
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("SHINE", "libshine"),
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("SNAPPY", "libsnappy"),
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("SPEEX", "libspeex"),
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("STAGEFRIGHT_H264", "libstagefright-h264"),
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("THEORA", "libtheora"),
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("TWOLAME", "libtwolame"),
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("UTVIDEO", "libutvideo"),
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("VO_AACENC", "libvo-aacenc"),
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("VO_AMRWBENC", "libvo-amrwbenc"),
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("VORBIS", "libvorbis"),
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("VPX", "libvpx"),
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("WAVPACK", "libwavpack"),
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("WEBP", "libwebp"),
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("X264", "libx264"),
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("X265", "libx265"),
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("AVS", "libavs"),
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("XVID", "libxvid"),
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// Protocols
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("SMBCLIENT", "libsmbclient"),
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("SSH", "libssh"),
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];
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fn build() -> io::Result<()> {
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let source_dir = source();
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@ -347,30 +412,14 @@ fn build() -> io::Result<()> {
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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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macro_rules! enable {
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($conf:expr, $feat:expr, $name:expr) => {
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if env::var(concat!("CARGO_FEATURE_", $feat)).is_ok() {
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$conf.arg(concat!("--enable-", $name));
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}
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};
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}
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// macro_rules! disable {
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// ($conf:expr, $feat:expr, $name:expr) => (
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// if env::var(concat!("CARGO_FEATURE_", $feat)).is_err() {
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// $conf.arg(concat!("--disable-", $name));
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// }
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// )
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// }
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// the binary using ffmpeg-sys must comply with GPL
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switch(&mut configure, "BUILD_LICENSE_GPL", "gpl");
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configure.switch("BUILD_LICENSE_GPL", "gpl");
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// the binary using ffmpeg-sys must comply with (L)GPLv3
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switch(&mut configure, "BUILD_LICENSE_VERSION3", "version3");
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configure.switch("BUILD_LICENSE_VERSION3", "version3");
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// the binary using ffmpeg-sys cannot be redistributed
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switch(&mut configure, "BUILD_LICENSE_NONFREE", "nonfree");
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configure.switch("BUILD_LICENSE_NONFREE", "nonfree");
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let ffmpeg_major_version: u32 = ffmpeg_major_version();
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@ -380,73 +429,18 @@ fn build() -> io::Result<()> {
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.filter(|lib| lib.is_feature)
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.filter(|lib| !(lib.name == "avresample" && ffmpeg_major_version >= 5))
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{
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switch(&mut configure, &lib.name.to_uppercase(), lib.name);
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configure.switch(&lib.name.to_uppercase(), lib.name);
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}
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// configure external SSL libraries
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enable!(configure, "BUILD_LIB_GNUTLS", "gnutls");
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enable!(configure, "BUILD_LIB_OPENSSL", "openssl");
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// configure external filters
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enable!(configure, "BUILD_LIB_FONTCONFIG", "fontconfig");
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enable!(configure, "BUILD_LIB_FREI0R", "frei0r");
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enable!(configure, "BUILD_LIB_LADSPA", "ladspa");
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enable!(configure, "BUILD_LIB_ASS", "libass");
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enable!(configure, "BUILD_LIB_FREETYPE", "libfreetype");
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enable!(configure, "BUILD_LIB_FRIBIDI", "libfribidi");
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enable!(configure, "BUILD_LIB_OPENCV", "libopencv");
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enable!(configure, "BUILD_LIB_VMAF", "libvmaf");
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// configure external encoders/decoders
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enable!(configure, "BUILD_LIB_AACPLUS", "libaacplus");
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enable!(configure, "BUILD_LIB_CELT", "libcelt");
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enable!(configure, "BUILD_LIB_DCADEC", "libdcadec");
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enable!(configure, "BUILD_LIB_DAV1D", "libdav1d");
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enable!(configure, "BUILD_LIB_FAAC", "libfaac");
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enable!(configure, "BUILD_LIB_FDK_AAC", "libfdk-aac");
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enable!(configure, "BUILD_LIB_GSM", "libgsm");
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enable!(configure, "BUILD_LIB_ILBC", "libilbc");
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enable!(configure, "BUILD_LIB_VAZAAR", "libvazaar");
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enable!(configure, "BUILD_LIB_MP3LAME", "libmp3lame");
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enable!(configure, "BUILD_LIB_OPENCORE_AMRNB", "libopencore-amrnb");
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enable!(configure, "BUILD_LIB_OPENCORE_AMRWB", "libopencore-amrwb");
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enable!(configure, "BUILD_LIB_OPENH264", "libopenh264");
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enable!(configure, "BUILD_LIB_OPENH265", "libopenh265");
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enable!(configure, "BUILD_LIB_OPENJPEG", "libopenjpeg");
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enable!(configure, "BUILD_LIB_OPUS", "libopus");
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enable!(configure, "BUILD_LIB_SCHROEDINGER", "libschroedinger");
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enable!(configure, "BUILD_LIB_SHINE", "libshine");
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enable!(configure, "BUILD_LIB_SNAPPY", "libsnappy");
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enable!(configure, "BUILD_LIB_SPEEX", "libspeex");
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enable!(
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configure,
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"BUILD_LIB_STAGEFRIGHT_H264",
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"libstagefright-h264"
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);
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enable!(configure, "BUILD_LIB_THEORA", "libtheora");
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enable!(configure, "BUILD_LIB_TWOLAME", "libtwolame");
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enable!(configure, "BUILD_LIB_UTVIDEO", "libutvideo");
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enable!(configure, "BUILD_LIB_VO_AACENC", "libvo-aacenc");
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enable!(configure, "BUILD_LIB_VO_AMRWBENC", "libvo-amrwbenc");
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enable!(configure, "BUILD_LIB_VORBIS", "libvorbis");
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enable!(configure, "BUILD_LIB_VPX", "libvpx");
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enable!(configure, "BUILD_LIB_WAVPACK", "libwavpack");
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enable!(configure, "BUILD_LIB_WEBP", "libwebp");
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enable!(configure, "BUILD_LIB_X264", "libx264");
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enable!(configure, "BUILD_LIB_X265", "libx265");
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enable!(configure, "BUILD_LIB_AVS", "libavs");
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enable!(configure, "BUILD_LIB_XVID", "libxvid");
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// other external libraries
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enable!(configure, "BUILD_LIB_DRM", "libdrm");
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enable!(configure, "BUILD_NVENC", "nvenc");
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// configure external protocols
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enable!(configure, "BUILD_LIB_SMBCLIENT", "libsmbclient");
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enable!(configure, "BUILD_LIB_SSH", "libssh");
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// configure external libraries based on features
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for (cargo_feat, option_name) in EXTERNAL_BUILD_LIBS {
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configure.enable(&format!("BUILD_LIB_{cargo_feat}"), option_name);
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}
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configure.enable("BUILD_DRM", "libdrm");
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configure.enable("BUILD_NVENC", "nvenc");
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// configure misc build options
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enable!(configure, "BUILD_PIC", "pic");
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configure.enable("BUILD_PIC", "pic");
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// run ./configure
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let output = configure
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@ -538,7 +532,7 @@ fn check_features(include_paths: &[PathBuf]) {
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let mut main_code = String::new();
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for lib in LIBRARIES {
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if lib.is_feature && env::var(format!("CARGO_FEATURE_{}", lib.name.to_uppercase())).is_err() {
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if lib.is_feature && !cargo_feature_enabled(lib.name) {
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continue;
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}
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@ -652,7 +646,7 @@ fn check_features(include_paths: &[PathBuf]) {
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println!("stdout of {}={}", executable.display(), stdout);
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for lib in LIBRARIES {
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if lib.is_feature && env::var(format!("CARGO_FEATURE_{}", lib.name.to_uppercase())).is_err() {
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if lib.is_feature && !cargo_feature_enabled(lib.name) {
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continue;
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}
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@ -764,21 +758,20 @@ fn maybe_search_include(include_paths: &[PathBuf], header: &str) -> Option<Strin
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fn link_to_libraries(statik: bool) {
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let ffmpeg_ty = if statik { "static" } else { "dylib" };
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for lib in LIBRARIES {
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let feat_is_enabled = lib.feature_name().and_then(|f| env::var(f).ok()).is_some();
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if !lib.is_feature || feat_is_enabled {
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if !lib.is_feature || cargo_feature_enabled(lib.name) {
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println!("cargo:rustc-link-lib={}={}", ffmpeg_ty, lib.name);
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}
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}
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if env::var("CARGO_FEATURE_BUILD_ZLIB").is_ok() && cfg!(target_os = "linux") {
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if cargo_feature_enabled("build_zlib") && cfg!(target_os = "linux") {
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println!("cargo:rustc-link-lib=z");
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}
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}
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fn main() {
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let statik = env::var("CARGO_FEATURE_STATIC").is_ok();
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let statik = cargo_feature_enabled("static");
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let ffmpeg_major_version: u32 = ffmpeg_major_version();
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let include_paths: Vec<PathBuf> = if env::var("CARGO_FEATURE_BUILD").is_ok() {
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let include_paths: Vec<PathBuf> = if cargo_feature_enabled("build") {
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println!(
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"cargo:rustc-link-search=native={}",
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search().join("lib").to_string_lossy()
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@ -861,7 +854,7 @@ fn main() {
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}
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for (lib_name, env_variable_name) in libs.iter() {
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if env::var(format!("CARGO_FEATURE_{}", env_variable_name)).is_ok() {
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if cargo_feature_enabled(env_variable_name) {
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pkg_config::Config::new()
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.statik(statik)
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.probe(lib_name)
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@ -1005,7 +998,7 @@ fn main() {
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.size_t_is_usize(true)
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.parse_callbacks(Box::new(Callbacks));
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if env::var("CARGO_FEATURE_NON_EXHAUSTIVE_ENUMS").is_ok() {
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if cargo_feature_enabled("non_exhaustive_enums") {
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builder = builder.rustified_non_exhaustive_enum(".*");
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} else {
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builder = builder.rustified_enum(".*");
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@ -1013,7 +1006,7 @@ fn main() {
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// The input headers we would like to generate
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// bindings for.
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if env::var("CARGO_FEATURE_AVCODEC").is_ok() {
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if cargo_feature_enabled("avcodec") {
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builder = builder
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.header(search_include(&include_paths, "libavcodec/avcodec.h"))
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.header(search_include(&include_paths, "libavcodec/dv_profile.h"))
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@ -1025,24 +1018,24 @@ fn main() {
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}
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}
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if env::var("CARGO_FEATURE_AVDEVICE").is_ok() {
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if cargo_feature_enabled("avdevice") {
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builder = builder.header(search_include(&include_paths, "libavdevice/avdevice.h"));
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}
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if env::var("CARGO_FEATURE_AVFILTER").is_ok() {
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if cargo_feature_enabled("avfilter") {
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builder = builder
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.header(search_include(&include_paths, "libavfilter/buffersink.h"))
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.header(search_include(&include_paths, "libavfilter/buffersrc.h"))
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.header(search_include(&include_paths, "libavfilter/avfilter.h"));
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}
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if env::var("CARGO_FEATURE_AVFORMAT").is_ok() {
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if cargo_feature_enabled("avformat") {
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builder = builder
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.header(search_include(&include_paths, "libavformat/avformat.h"))
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.header(search_include(&include_paths, "libavformat/avio.h"));
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}
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if env::var("CARGO_FEATURE_AVRESAMPLE").is_ok() {
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if cargo_feature_enabled("avresample") {
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builder = builder.header(search_include(&include_paths, "libavresample/avresample.h"));
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}
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@ -1103,15 +1096,15 @@ fn main() {
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.header(search_include(&include_paths, "libavutil/avutil.h"))
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.header(search_include(&include_paths, "libavutil/xtea.h"));
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if env::var("CARGO_FEATURE_POSTPROC").is_ok() {
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if cargo_feature_enabled("postproc") {
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builder = builder.header(search_include(&include_paths, "libpostproc/postprocess.h"));
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}
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if env::var("CARGO_FEATURE_SWRESAMPLE").is_ok() {
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if cargo_feature_enabled("swresample") {
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builder = builder.header(search_include(&include_paths, "libswresample/swresample.h"));
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}
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if env::var("CARGO_FEATURE_SWSCALE").is_ok() {
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if cargo_feature_enabled("swscale") {
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builder = builder.header(search_include(&include_paths, "libswscale/swscale.h"));
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}
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