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build.rs
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build.rs
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extern crate bindgen;
extern crate cc;
extern crate num_cpus;
extern crate pkg_config;
extern crate regex;
use std::collections::HashSet;
use std::env;
use std::fs::{self, File};
use std::io::{self, BufRead, BufReader, Write};
use std::path::PathBuf;
use std::process::Command;
use std::str;
use bindgen::callbacks::{IntKind, MacroParsingBehavior, ParseCallbacks};
use regex::Regex;
#[derive(Debug)]
struct Library {
name: &'static str,
is_feature: bool,
}
impl Library {
fn feature_name(&self) -> Option<String> {
if self.is_feature {
Some("CARGO_FEATURE_".to_string() + &self.name.to_uppercase())
} else {
None
}
}
}
static LIBRARIES: &[Library] = &[
Library {
name: "avcodec",
is_feature: true,
},
Library {
name: "avdevice",
is_feature: true,
},
Library {
name: "avfilter",
is_feature: true,
},
Library {
name: "avformat",
is_feature: true,
},
Library {
name: "avresample",
is_feature: true,
},
Library {
name: "avutil",
is_feature: false,
},
Library {
name: "postproc",
is_feature: true,
},
Library {
name: "swresample",
is_feature: true,
},
Library {
name: "swscale",
is_feature: true,
},
];
#[derive(Debug)]
struct IntCallbacks;
impl ParseCallbacks for IntCallbacks {
fn int_macro(&self, _name: &str, value: i64) -> Option<IntKind> {
let ch_layout = Regex::new(r"^AV_CH").unwrap();
let codec_cap = Regex::new(r"^AV_CODEC_CAP").unwrap();
let codec_flag = Regex::new(r"^AV_CODEC_FLAG").unwrap();
let error_max_size = Regex::new(r"^AV_ERROR_MAX_STRING_SIZE").unwrap();
if value >= i64::min_value() as i64
&& value <= i64::max_value() as i64
&& ch_layout.is_match(_name)
{
Some(IntKind::ULongLong)
} else if value >= i32::min_value() as i64
&& value <= i32::max_value() as i64
&& (codec_cap.is_match(_name) || codec_flag.is_match(_name))
{
Some(IntKind::UInt)
} else if error_max_size.is_match(_name) {
Some(IntKind::Custom {
name: "usize",
is_signed: false,
})
} else if value >= i32::min_value() as i64 && value <= i32::max_value() as i64 {
Some(IntKind::Int)
} else {
None
}
}
// https://github.com/servo/rust-bindgen/issues/687
// Original fix is broken with bindgen 0.51 and linux 5.2
fn will_parse_macro(&self, name: &str) -> MacroParsingBehavior {
if name.starts_with("FP_") {
MacroParsingBehavior::Ignore
} else {
MacroParsingBehavior::Default
}
}
}
fn version() -> String {
let major: u8 = env::var("CARGO_PKG_VERSION_MAJOR")
.unwrap()
.parse()
.unwrap();
let minor: u8 = env::var("CARGO_PKG_VERSION_MINOR")
.unwrap()
.parse()
.unwrap();
format!("{}.{}", major, minor)
}
fn output() -> PathBuf {
PathBuf::from(env::var("OUT_DIR").unwrap())
}
fn source() -> PathBuf {
output().join(format!("ffmpeg-{}", version()))
}
fn search() -> PathBuf {
let mut absolute = env::current_dir().unwrap();
absolute.push(&output());
absolute.push("dist");
absolute
}
fn fetch() -> io::Result<()> {
let status = Command::new("git")
.current_dir(&output())
.arg("clone")
.arg("-b")
.arg(format!("release/{}", version()))
.arg("https://github.com/FFmpeg/FFmpeg")
.arg(format!("ffmpeg-{}", version()))
.status()?;
if status.success() {
Ok(())
} else {
Err(io::Error::new(io::ErrorKind::Other, "fetch failed"))
}
}
fn switch(configure: &mut Command, feature: &str, name: &str) {
let arg = if env::var("CARGO_FEATURE_".to_string() + feature).is_ok() {
"--enable-"
} else {
"--disable-"
};
configure.arg(arg.to_string() + name);
}
fn build() -> io::Result<()> {
let mut configure = Command::new("./configure");
configure.current_dir(&source());
configure.arg(format!("--prefix={}", search().to_string_lossy()));
if env::var("TARGET").unwrap() != env::var("HOST").unwrap() {
configure.arg(format!("--cross-prefix={}-", env::var("TARGET").unwrap()));
}
// control debug build
if env::var("DEBUG").is_ok() {
configure.arg("--enable-debug");
configure.arg("--disable-stripping");
} else {
configure.arg("--disable-debug");
configure.arg("--enable-stripping");
}
// make it static
configure.arg("--enable-static");
configure.arg("--disable-shared");
configure.arg("--enable-pic");
// do not build programs since we don't need them
configure.arg("--disable-programs");
macro_rules! enable {
($conf:expr, $feat:expr, $name:expr) => {
if env::var(concat!("CARGO_FEATURE_", $feat)).is_ok() {
$conf.arg(concat!("--enable-", $name));
}
};
}
// macro_rules! disable {
// ($conf:expr, $feat:expr, $name:expr) => (
// if env::var(concat!("CARGO_FEATURE_", $feat)).is_err() {
// $conf.arg(concat!("--disable-", $name));
// }
// )
// }
// the binary using ffmpeg-sys must comply with GPL
switch(&mut configure, "BUILD_LICENSE_GPL", "gpl");
// the binary using ffmpeg-sys must comply with (L)GPLv3
switch(&mut configure, "BUILD_LICENSE_VERSION3", "version3");
// the binary using ffmpeg-sys cannot be redistributed
switch(&mut configure, "BUILD_LICENSE_NONFREE", "nonfree");
// configure building libraries based on features
for lib in LIBRARIES.iter().filter(|lib| lib.is_feature) {
switch(&mut configure, &lib.name.to_uppercase(), lib.name);
}
// configure external SSL libraries
enable!(configure, "BUILD_LIB_GNUTLS", "gnutls");
enable!(configure, "BUILD_LIB_OPENSSL", "openssl");
// configure external filters
enable!(configure, "BUILD_LIB_FONTCONFIG", "fontconfig");
enable!(configure, "BUILD_LIB_FREI0R", "frei0r");
enable!(configure, "BUILD_LIB_LADSPA", "ladspa");
enable!(configure, "BUILD_LIB_ASS", "libass");
enable!(configure, "BUILD_LIB_FREETYPE", "libfreetype");
enable!(configure, "BUILD_LIB_FRIBIDI", "libfribidi");
enable!(configure, "BUILD_LIB_OPENCV", "libopencv");
// configure external encoders/decoders
enable!(configure, "BUILD_LIB_AACPLUS", "libaacplus");
enable!(configure, "BUILD_LIB_CELT", "libcelt");
enable!(configure, "BUILD_LIB_DCADEC", "libdcadec");
enable!(configure, "BUILD_LIB_FAAC", "libfaac");
enable!(configure, "BUILD_LIB_FDK_AAC", "libfdk-aac");
enable!(configure, "BUILD_LIB_GSM", "libgsm");
enable!(configure, "BUILD_LIB_ILBC", "libilbc");
enable!(configure, "BUILD_LIB_VAZAAR", "libvazaar");
enable!(configure, "BUILD_LIB_MP3LAME", "libmp3lame");
enable!(configure, "BUILD_LIB_OPENCORE_AMRNB", "libopencore-amrnb");
enable!(configure, "BUILD_LIB_OPENCORE_AMRWB", "libopencore-amrwb");
enable!(configure, "BUILD_LIB_OPENH264", "libopenh264");
enable!(configure, "BUILD_LIB_OPENH265", "libopenh265");
enable!(configure, "BUILD_LIB_OPENJPEG", "libopenjpeg");
enable!(configure, "BUILD_LIB_OPUS", "libopus");
enable!(configure, "BUILD_LIB_SCHROEDINGER", "libschroedinger");
enable!(configure, "BUILD_LIB_SHINE", "libshine");
enable!(configure, "BUILD_LIB_SNAPPY", "libsnappy");
enable!(configure, "BUILD_LIB_SPEEX", "libspeex");
enable!(
configure,
"BUILD_LIB_STAGEFRIGHT_H264",
"libstagefright-h264"
);
enable!(configure, "BUILD_LIB_THEORA", "libtheora");
enable!(configure, "BUILD_LIB_TWOLAME", "libtwolame");
enable!(configure, "BUILD_LIB_UTVIDEO", "libutvideo");
enable!(configure, "BUILD_LIB_VO_AACENC", "libvo-aacenc");
enable!(configure, "BUILD_LIB_VO_AMRWBENC", "libvo-amrwbenc");
enable!(configure, "BUILD_LIB_VORBIS", "libvorbis");
enable!(configure, "BUILD_LIB_VPX", "libvpx");
enable!(configure, "BUILD_LIB_WAVPACK", "libwavpack");
enable!(configure, "BUILD_LIB_WEBP", "libwebp");
enable!(configure, "BUILD_LIB_X264", "libx264");
enable!(configure, "BUILD_LIB_X265", "libx265");
enable!(configure, "BUILD_LIB_AVS", "libavs");
enable!(configure, "BUILD_LIB_XVID", "libxvid");
// other external libraries
enable!(configure, "BUILD_NVENC", "nvenc");
// configure external protocols
enable!(configure, "BUILD_LIB_SMBCLIENT", "libsmbclient");
enable!(configure, "BUILD_LIB_SSH", "libssh");
// configure misc build options
enable!(configure, "BUILD_PIC", "pic");
// run ./configure
let output = configure
.output()
.expect(&format!("{:?} failed", configure));
if !output.status.success() {
println!("configure: {}", String::from_utf8_lossy(&output.stdout));
return Err(io::Error::new(
io::ErrorKind::Other,
format!(
"configure failed {}",
String::from_utf8_lossy(&output.stderr)
),
));
}
// run make
Command::new("make")
.arg("-j")
.arg(num_cpus::get().to_string())
.current_dir(&source())
.status()
.map_err(|_| io::Error::new(io::ErrorKind::Other, "make failed"))?;
// run make install
Command::new("make")
.current_dir(&source())
.arg("install")
.status()
.map_err(|_| io::Error::new(io::ErrorKind::Other, "make install failed"))?;
Ok(())
}
fn check_features(
include_paths: Vec<PathBuf>,
infos: &Vec<(&'static str, Option<&'static str>, &'static str)>,
) {
let mut includes_code = String::new();
let mut main_code = String::new();
for &(header, feature, var) in infos {
if let Some(feature) = feature {
if env::var(format!("CARGO_FEATURE_{}", feature.to_uppercase())).is_err() {
continue;
}
}
let include = format!("#include <{}>", header);
if includes_code.find(&include).is_none() {
includes_code.push_str(&include);
includes_code.push_str(&"\n");
}
includes_code.push_str(&format!(
r#"
#ifndef {var}
#define {var} 0
#define {var}_is_defined 0
#else
#define {var}_is_defined 1
#endif
"#,
var = var
));
main_code.push_str(&format!(
r#"printf("[{var}]%d%d\n", {var}, {var}_is_defined);"#,
var = var
));
}
let version_check_info = [("avcodec", 56, 60, 0, 80)];
for &(lib, begin_version_major, end_version_major, begin_version_minor, end_version_minor) in
version_check_info.iter()
{
for version_major in begin_version_major..end_version_major {
for version_minor in begin_version_minor..end_version_minor {
main_code.push_str(&format!(
r#"printf("[{lib}_version_greater_than_{version_major}_{version_minor}]%d\n", LIB{lib_uppercase}_VERSION_MAJOR > {version_major} || (LIB{lib_uppercase}_VERSION_MAJOR == {version_major} && LIB{lib_uppercase}_VERSION_MINOR > {version_minor}));"#,
lib = lib,
lib_uppercase = lib.to_uppercase(),
version_major = version_major,
version_minor = version_minor
));
}
}
}
let out_dir = output();
write!(
File::create(out_dir.join("check.c")).expect("Failed to create file"),
r#"
#include <stdio.h>
{includes_code}
int main()
{{
{main_code}
return 0;
}}
"#,
includes_code = includes_code,
main_code = main_code
)
.expect("Write failed");
let executable = out_dir.join(if cfg!(windows) { "check.exe" } else { "check" });
let mut compiler = cc::Build::new().get_compiler().to_command();
for dir in include_paths {
compiler.arg("-I");
compiler.arg(dir.to_string_lossy().into_owned());
}
if !compiler
.current_dir(&out_dir)
.arg("-o")
.arg(&executable)
.arg("check.c")
.status()
.expect("Command failed")
.success()
{
panic!("Compile failed");
}
let stdout_raw = Command::new(out_dir.join(&executable))
.current_dir(&out_dir)
.output()
.expect("Check failed")
.stdout;
let stdout = str::from_utf8(stdout_raw.as_slice()).unwrap();
println!("stdout={}", stdout);
for &(_, feature, var) in infos {
if let Some(feature) = feature {
if env::var(format!("CARGO_FEATURE_{}", feature.to_uppercase())).is_err() {
continue;
}
}
let var_str = format!("[{var}]", var = var);
let pos = stdout.find(&var_str).expect("Variable not found in output") + var_str.len();
if &stdout[pos..pos + 1] == "1" {
println!(r#"cargo:rustc-cfg=feature="{}""#, var.to_lowercase());
println!(r#"cargo:{}=true"#, var.to_lowercase());
}
// Also find out if defined or not (useful for cases where only the definition of a macro
// can be used as distinction)
if &stdout[pos + 1..pos + 2] == "1" {
println!(
r#"cargo:rustc-cfg=feature="{}_is_defined""#,
var.to_lowercase()
);
println!(r#"cargo:{}_is_defined=true"#, var.to_lowercase());
}
}
for &(lib, begin_version_major, end_version_major, begin_version_minor, end_version_minor) in
version_check_info.iter()
{
for version_major in begin_version_major..end_version_major {
for version_minor in begin_version_minor..end_version_minor {
let search_str = format!(
"[{lib}_version_greater_than_{version_major}_{version_minor}]",
version_major = version_major,
version_minor = version_minor,
lib = lib
);
let pos = stdout
.find(&search_str)
.expect("Variable not found in output")
+ search_str.len();
if &stdout[pos..pos + 1] == "1" {
println!(
r#"cargo:rustc-cfg=feature="{}""#,
&search_str[1..(search_str.len() - 1)]
);
}
}
}
}
}
fn search_include(include_paths: &Vec<PathBuf>, header: &str) -> String {
for dir in include_paths {
let include = dir.join(header);
if fs::metadata(&include).is_ok() {
return format!("{}", include.as_path().to_str().unwrap());
}
}
format!("/usr/include/{}", header)
}
fn link_to_libraries(statik: bool) {
let ffmpeg_ty = if statik { "static" } else { "dylib" };
for lib in LIBRARIES {
let feat_is_enabled = lib.feature_name().and_then(|f| env::var(&f).ok()).is_some();
if !lib.is_feature || feat_is_enabled {
println!("cargo:rustc-link-lib={}={}", ffmpeg_ty, lib.name);
}
}
if env::var("CARGO_FEATURE_BUILD_ZLIB").is_ok() && cfg!(target_os = "linux") {
println!("cargo:rustc-link-lib=z");
}
}
fn main() {
let statik = env::var("CARGO_FEATURE_STATIC").is_ok();
let include_paths: Vec<PathBuf> = if env::var("CARGO_FEATURE_BUILD").is_ok() {
println!(
"cargo:rustc-link-search=native={}",
search().join("lib").to_string_lossy()
);
link_to_libraries(statik);
if fs::metadata(&search().join("lib").join("libavutil.a")).is_err() {
fs::create_dir_all(&output())
.ok()
.expect("failed to create build directory");
fetch().unwrap();
build().unwrap();
}
// Check additional required libraries.
// Flags are now of the type `EXTRALIBS-avcodec`
{
let config_mak = source().join("ffbuild/config.mak");
let file = File::open(config_mak).unwrap();
let reader = BufReader::new(file);
let extra_libs = reader
.lines()
.filter_map(Result::ok)
.filter(|line| line.starts_with("EXTRALIBS"))
.collect::<Vec<String>>();
let linker_args = extra_libs
.iter()
.flat_map(|line| line.split('=').last().unwrap().split(' '))
.collect::<HashSet<&str>>();
let include_libs = linker_args
.iter()
.filter(|v| v.starts_with("-l"))
.map(|flag| &flag[2..]);
for lib in include_libs {
println!("cargo:rustc-link-lib={}", lib);
}
}
vec![search().join("include")]
}
// Use prebuilt library
else if let Ok(ffmpeg_dir) = env::var("FFMPEG_DIR") {
let ffmpeg_dir = PathBuf::from(ffmpeg_dir);
println!(
"cargo:rustc-link-search=native={}",
ffmpeg_dir.join("lib").to_string_lossy()
);
link_to_libraries(statik);
vec![ffmpeg_dir.join("include")]
}
// Fallback to pkg-config
else {
pkg_config::Config::new()
.statik(statik)
.probe("libavutil")
.unwrap()
.include_paths;
let libs = vec![
("libavformat", "AVFORMAT"),
("libavfilter", "AVFILTER"),
("libavdevice", "AVDEVICE"),
("libavresample", "AVRESAMPLE"),
("libswscale", "SWSCALE"),
("libswresample", "SWRESAMPLE"),
];
for (lib_name, env_variable_name) in libs.iter() {
if env::var(format!("CARGO_FEATURE_{}", env_variable_name)).is_ok() {
pkg_config::Config::new()
.statik(statik)
.probe(lib_name)
.unwrap()
.include_paths;
}
}
pkg_config::Config::new()
.statik(statik)
.probe("libavcodec")
.unwrap()
.include_paths
};
if statik && cfg!(target_os = "macos") {
let frameworks = vec![
"AppKit",
"AudioToolbox",
"AVFoundation",
"CoreFoundation",
"CoreGraphics",
"CoreMedia",
"CoreServices",
"CoreVideo",
"Foundation",
"OpenCL",
"OpenGL",
"QTKit",
"QuartzCore",
"Security",
"VideoDecodeAcceleration",
"VideoToolbox",
];
for f in frameworks {
println!("cargo:rustc-link-lib=framework={}", f);
}
}
check_features(
include_paths.clone(),
&vec![
("libavutil/avutil.h", None, "FF_API_OLD_AVOPTIONS"),
("libavutil/avutil.h", None, "FF_API_PIX_FMT"),
("libavutil/avutil.h", None, "FF_API_CONTEXT_SIZE"),
("libavutil/avutil.h", None, "FF_API_PIX_FMT_DESC"),
("libavutil/avutil.h", None, "FF_API_AV_REVERSE"),
("libavutil/avutil.h", None, "FF_API_AUDIOCONVERT"),
("libavutil/avutil.h", None, "FF_API_CPU_FLAG_MMX2"),
("libavutil/avutil.h", None, "FF_API_LLS_PRIVATE"),
("libavutil/avutil.h", None, "FF_API_AVFRAME_LAVC"),
("libavutil/avutil.h", None, "FF_API_VDPAU"),
(
"libavutil/avutil.h",
None,
"FF_API_GET_CHANNEL_LAYOUT_COMPAT",
),
("libavutil/avutil.h", None, "FF_API_XVMC"),
("libavutil/avutil.h", None, "FF_API_OPT_TYPE_METADATA"),
("libavutil/avutil.h", None, "FF_API_DLOG"),
("libavutil/avutil.h", None, "FF_API_HMAC"),
("libavutil/avutil.h", None, "FF_API_VAAPI"),
("libavutil/avutil.h", None, "FF_API_PKT_PTS"),
("libavutil/avutil.h", None, "FF_API_ERROR_FRAME"),
("libavutil/avutil.h", None, "FF_API_FRAME_QP"),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_VIMA_DECODER",
),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_REQUEST_CHANNELS",
),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_OLD_DECODE_AUDIO",
),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_OLD_ENCODE_AUDIO",
),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_OLD_ENCODE_VIDEO",
),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_CODEC_ID"),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_AUDIO_CONVERT",
),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_AVCODEC_RESAMPLE",
),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_DEINTERLACE",
),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_DESTRUCT_PACKET",
),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_GET_BUFFER"),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_MISSING_SAMPLE",
),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_LOWRES"),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_CAP_VDPAU"),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_BUFS_VDPAU"),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_VOXWARE"),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_SET_DIMENSIONS",
),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_DEBUG_MV"),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_AC_VLC"),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_OLD_MSMPEG4",
),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_ASPECT_EXTENDED",
),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_THREAD_OPAQUE",
),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_CODEC_PKT"),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_ARCH_ALPHA"),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_XVMC"),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_ERROR_RATE"),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_QSCALE_TYPE",
),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_MB_TYPE"),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_MAX_BFRAMES",
),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_NEG_LINESIZES",
),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_EMU_EDGE"),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_ARCH_SH4"),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_ARCH_SPARC"),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_UNUSED_MEMBERS",
),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_IDCT_XVIDMMX",
),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_INPUT_PRESERVED",
),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_NORMALIZE_AQP",
),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_GMC"),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_MV0"),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_CODEC_NAME"),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_AFD"),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_VISMV"),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_DV_FRAME_PROFILE",
),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_AUDIOENC_DELAY",
),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_VAAPI_CONTEXT",
),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_AVCTX_TIMEBASE",
),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_MPV_OPT"),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_STREAM_CODEC_TAG",
),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_QUANT_BIAS"),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_RC_STRATEGY",
),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_CODED_FRAME",
),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_MOTION_EST"),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_WITHOUT_PREFIX",
),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_CONVERGENCE_DURATION",
),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_PRIVATE_OPT",
),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_CODER_TYPE"),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_RTP_CALLBACK",
),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_STAT_BITS"),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_VBV_DELAY"),
(
"libavcodec/avcodec.h",
Some("avcodec"),
"FF_API_SIDEDATA_ONLY_PKT",
),
("libavcodec/avcodec.h", Some("avcodec"), "FF_API_AVPICTURE"),
(
"libavformat/avformat.h",
Some("avformat"),
"FF_API_LAVF_BITEXACT",
),
(
"libavformat/avformat.h",
Some("avformat"),
"FF_API_LAVF_FRAC",
),
(
"libavformat/avformat.h",
Some("avformat"),
"FF_API_URL_FEOF",
),
(
"libavformat/avformat.h",
Some("avformat"),
"FF_API_PROBESIZE_32",
),
(
"libavformat/avformat.h",
Some("avformat"),
"FF_API_LAVF_AVCTX",
),
(
"libavformat/avformat.h",
Some("avformat"),
"FF_API_OLD_OPEN_CALLBACKS",
),
(
"libavfilter/avfilter.h",
Some("avfilter"),
"FF_API_AVFILTERPAD_PUBLIC",
),
(
"libavfilter/avfilter.h",
Some("avfilter"),
"FF_API_FOO_COUNT",
),
(
"libavfilter/avfilter.h",
Some("avfilter"),
"FF_API_OLD_FILTER_OPTS",
),
(
"libavfilter/avfilter.h",
Some("avfilter"),
"FF_API_OLD_FILTER_OPTS_ERROR",
),
(
"libavfilter/avfilter.h",
Some("avfilter"),
"FF_API_AVFILTER_OPEN",
),
(
"libavfilter/avfilter.h",
Some("avfilter"),
"FF_API_OLD_FILTER_REGISTER",
),
(
"libavfilter/avfilter.h",
Some("avfilter"),
"FF_API_OLD_GRAPH_PARSE",
),
(
"libavfilter/avfilter.h",
Some("avfilter"),
"FF_API_NOCONST_GET_NAME",
),
(
"libavresample/avresample.h",
Some("avresample"),
"FF_API_RESAMPLE_CLOSE_OPEN",
),
(
"libswscale/swscale.h",
Some("swscale"),
"FF_API_SWS_CPU_CAPS",
),
("libswscale/swscale.h", Some("swscale"), "FF_API_ARCH_BFIN"),
],
);
// For debugging purpose only.
let tmp = std::env::temp_dir();
let mut f = File::create(tmp.join("ffmpeg4.build")).expect("Filed to create ffmpeg4.build");
let tool = cc::Build::new().get_compiler();
write!(f, "{}", tool.path().to_string_lossy().into_owned()).expect("failed to write cmd");
for arg in tool.args() {
write!(f, " {}", arg.to_str().unwrap()).expect("failed to write arg");
}
for dir in &include_paths {
write!(f, " -I {}", dir.to_string_lossy().into_owned()).expect("failed to write incdir");
}
let clang_includes = include_paths
.iter()
.map(|include| format!("-I{}", include.to_string_lossy()));
// The bindgen::Builder is the main entry point
// to bindgen, and lets you build up options for
// the resulting bindings.
let mut builder = bindgen::Builder::default()
.clang_args(clang_includes)
.ctypes_prefix("libc")
// https://github.com/servo/rust-bindgen/issues/687
.blacklist_type("FP_NAN")
.blacklist_type("FP_INFINITE")
.blacklist_type("FP_ZERO")
.blacklist_type("FP_SUBNORMAL")
.blacklist_type("FP_NORMAL")
// https://github.com/servo/rust-bindgen/issues/550
.blacklist_type("max_align_t")
.rustified_enum("*")
.prepend_enum_name(false)
.derive_eq(true)
// Otherwise bindgen is confused with multiline comments
.generate_comments(false)
.parse_callbacks(Box::new(IntCallbacks));
// The input headers we would like to generate
// bindings for.
if env::var("CARGO_FEATURE_AVCODEC").is_ok() {
builder = builder
.header(search_include(&include_paths, "libavcodec/avcodec.h"))
.header(search_include(&include_paths, "libavcodec/dv_profile.h"))
.header(search_include(&include_paths, "libavcodec/avfft.h"))
.header(search_include(&include_paths, "libavcodec/vaapi.h"))
.header(search_include(&include_paths, "libavcodec/vorbis_parser.h"));
}
if env::var("CARGO_FEATURE_AVDEVICE").is_ok() {
builder = builder.header(search_include(&include_paths, "libavdevice/avdevice.h"));
}
if env::var("CARGO_FEATURE_AVFILTER").is_ok() {
builder = builder
.header(search_include(&include_paths, "libavfilter/buffersink.h"))
.header(search_include(&include_paths, "libavfilter/buffersrc.h"))
.header(search_include(&include_paths, "libavfilter/avfilter.h"));
}
if env::var("CARGO_FEATURE_AVFORMAT").is_ok() {
builder = builder
.header(search_include(&include_paths, "libavformat/avformat.h"))
.header(search_include(&include_paths, "libavformat/avio.h"));
}
if env::var("CARGO_FEATURE_AVRESAMPLE").is_ok() {
builder = builder.header(search_include(&include_paths, "libavresample/avresample.h"));
}
builder = builder
.header(search_include(&include_paths, "libavutil/adler32.h"))
.header(search_include(&include_paths, "libavutil/aes.h"))
.header(search_include(&include_paths, "libavutil/audio_fifo.h"))
.header(search_include(&include_paths, "libavutil/base64.h"))
.header(search_include(&include_paths, "libavutil/blowfish.h"))
.header(search_include(&include_paths, "libavutil/bprint.h"))
.header(search_include(&include_paths, "libavutil/buffer.h"))
.header(search_include(&include_paths, "libavutil/camellia.h"))
.header(search_include(&include_paths, "libavutil/cast5.h"))
.header(search_include(&include_paths, "libavutil/channel_layout.h"))
.header(search_include(&include_paths, "libavutil/cpu.h"))
.header(search_include(&include_paths, "libavutil/crc.h"))
.header(search_include(&include_paths, "libavutil/dict.h"))
.header(search_include(&include_paths, "libavutil/display.h"))
.header(search_include(&include_paths, "libavutil/downmix_info.h"))