mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-11-18 15:41:07 +00:00
285 lines
11 KiB
Rust
285 lines
11 KiB
Rust
// This file was generated by gir (https://github.com/gtk-rs/gir @ 6855214)
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// from gir-files (https://github.com/gtk-rs/gir-files @ ???)
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// DO NOT EDIT
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extern crate gstreamer_base_sys;
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extern crate shell_words;
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extern crate tempdir;
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use std::env;
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use std::error::Error;
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use std::path::Path;
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use std::mem::{align_of, size_of};
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use std::process::Command;
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use std::str;
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use gstreamer_base_sys::*;
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static PACKAGES: &[&str] = &["gstreamer-base-1.0"];
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#[derive(Clone, Debug)]
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struct Compiler {
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pub args: Vec<String>,
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}
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impl Compiler {
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pub fn new() -> Result<Compiler, Box<Error>> {
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let mut args = get_var("CC", "cc")?;
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args.push("-Wno-deprecated-declarations".to_owned());
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// For %z support in printf when using MinGW.
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args.push("-D__USE_MINGW_ANSI_STDIO".to_owned());
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args.extend(get_var("CFLAGS", "")?);
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args.extend(get_var("CPPFLAGS", "")?);
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args.extend(pkg_config_cflags(PACKAGES)?);
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Ok(Compiler { args })
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}
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pub fn define<'a, V: Into<Option<&'a str>>>(&mut self, var: &str, val: V) {
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let arg = match val.into() {
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None => format!("-D{}", var),
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Some(val) => format!("-D{}={}", var, val),
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};
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self.args.push(arg);
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}
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pub fn compile(&self, src: &Path, out: &Path) -> Result<(), Box<Error>> {
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let mut cmd = self.to_command();
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cmd.arg(src);
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cmd.arg("-o");
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cmd.arg(out);
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let status = cmd.spawn()?.wait()?;
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if !status.success() {
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return Err(format!("compilation command {:?} failed, {}",
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&cmd, status).into());
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}
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Ok(())
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}
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fn to_command(&self) -> Command {
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let mut cmd = Command::new(&self.args[0]);
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cmd.args(&self.args[1..]);
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cmd
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}
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}
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fn get_var(name: &str, default: &str) -> Result<Vec<String>, Box<Error>> {
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match env::var(name) {
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Ok(value) => Ok(shell_words::split(&value)?),
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Err(env::VarError::NotPresent) => Ok(shell_words::split(default)?),
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Err(err) => Err(format!("{} {}", name, err).into()),
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}
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}
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fn pkg_config_cflags(packages: &[&str]) -> Result<Vec<String>, Box<Error>> {
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if packages.is_empty() {
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return Ok(Vec::new());
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}
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let mut cmd = Command::new("pkg-config");
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cmd.arg("--cflags");
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cmd.args(packages);
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let out = cmd.output()?;
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if !out.status.success() {
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return Err(format!("command {:?} returned {}",
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&cmd, out.status).into());
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}
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let stdout = str::from_utf8(&out.stdout)?;
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Ok(shell_words::split(stdout.trim())?)
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}
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#[derive(Copy, Clone, Debug, Eq, PartialEq)]
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struct Layout {
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size: usize,
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alignment: usize,
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}
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#[derive(Copy, Clone, Debug, Default, Eq, PartialEq)]
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struct Results {
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/// Number of successfully completed tests.
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passed: usize,
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/// Total number of failed tests (including those that failed to compile).
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failed: usize,
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/// Number of tests that failed to compile.
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failed_to_compile: usize,
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}
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impl Results {
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fn record_passed(&mut self) {
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self.passed += 1;
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}
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fn record_failed(&mut self) {
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self.failed += 1;
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}
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fn record_failed_to_compile(&mut self) {
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self.failed += 1;
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self.failed_to_compile += 1;
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}
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fn summary(&self) -> String {
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format!(
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"{} passed; {} failed (compilation errors: {})",
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self.passed,
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self.failed,
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self.failed_to_compile)
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}
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fn expect_total_success(&self) {
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if self.failed == 0 {
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println!("OK: {}", self.summary());
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} else {
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panic!("FAILED: {}", self.summary());
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};
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}
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}
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#[test]
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fn cross_validate_constants_with_c() {
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let tmpdir = tempdir::TempDir::new("abi").expect("temporary directory");
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let cc = Compiler::new().expect("configured compiler");
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assert_eq!("1",
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get_c_value(tmpdir.path(), &cc, "1").expect("C constant"),
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"failed to obtain correct constant value for 1");
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let mut results : Results = Default::default();
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for (i, &(name, rust_value)) in RUST_CONSTANTS.iter().enumerate() {
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match get_c_value(tmpdir.path(), &cc, name) {
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Err(e) => {
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results.record_failed_to_compile();
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eprintln!("{}", e);
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},
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Ok(ref c_value) => {
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if rust_value == c_value {
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results.record_passed();
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} else {
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results.record_failed();
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eprintln!("Constant value mismatch for {}\nRust: {:?}\nC: {:?}",
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name, rust_value, c_value);
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}
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}
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};
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if (i + 1) % 25 == 0 {
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println!("constants ... {}", results.summary());
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}
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}
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results.expect_total_success();
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}
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#[test]
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fn cross_validate_layout_with_c() {
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let tmpdir = tempdir::TempDir::new("abi").expect("temporary directory");
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let cc = Compiler::new().expect("configured compiler");
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assert_eq!(Layout {size: 1, alignment: 1},
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get_c_layout(tmpdir.path(), &cc, "char").expect("C layout"),
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"failed to obtain correct layout for char type");
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let mut results : Results = Default::default();
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for (i, &(name, rust_layout)) in RUST_LAYOUTS.iter().enumerate() {
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match get_c_layout(tmpdir.path(), &cc, name) {
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Err(e) => {
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results.record_failed_to_compile();
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eprintln!("{}", e);
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},
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Ok(c_layout) => {
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if rust_layout == c_layout {
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results.record_passed();
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} else {
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results.record_failed();
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eprintln!("Layout mismatch for {}\nRust: {:?}\nC: {:?}",
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name, rust_layout, &c_layout);
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}
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}
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};
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if (i + 1) % 25 == 0 {
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println!("layout ... {}", results.summary());
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}
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}
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results.expect_total_success();
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}
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fn get_c_layout(dir: &Path, cc: &Compiler, name: &str) -> Result<Layout, Box<Error>> {
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let exe = dir.join("layout");
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let mut cc = cc.clone();
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cc.define("ABI_TYPE_NAME", name);
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cc.compile(Path::new("tests/layout.c"), &exe)?;
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let mut abi_cmd = Command::new(exe);
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let output = abi_cmd.output()?;
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if !output.status.success() {
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return Err(format!("command {:?} failed, {:?}",
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&abi_cmd, &output).into());
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}
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let stdout = str::from_utf8(&output.stdout)?;
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let mut words = stdout.trim().split_whitespace();
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let size = words.next().unwrap().parse().unwrap();
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let alignment = words.next().unwrap().parse().unwrap();
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Ok(Layout {size, alignment})
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}
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fn get_c_value(dir: &Path, cc: &Compiler, name: &str) -> Result<String, Box<Error>> {
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let exe = dir.join("constant");
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let mut cc = cc.clone();
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cc.define("ABI_CONSTANT_NAME", name);
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cc.compile(Path::new("tests/constant.c"), &exe)?;
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let mut abi_cmd = Command::new(exe);
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let output = abi_cmd.output()?;
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if !output.status.success() {
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return Err(format!("command {:?} failed, {:?}",
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&abi_cmd, &output).into());
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}
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Ok(str::from_utf8(&output.stdout)?.trim().to_owned())
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}
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const RUST_LAYOUTS: &[(&str, Layout)] = &[
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("GstAggregator", Layout {size: size_of::<GstAggregator>(), alignment: align_of::<GstAggregator>()}),
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("GstAggregatorClass", Layout {size: size_of::<GstAggregatorClass>(), alignment: align_of::<GstAggregatorClass>()}),
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("GstAggregatorPad", Layout {size: size_of::<GstAggregatorPad>(), alignment: align_of::<GstAggregatorPad>()}),
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("GstAggregatorPadClass", Layout {size: size_of::<GstAggregatorPadClass>(), alignment: align_of::<GstAggregatorPadClass>()}),
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("GstBaseParse", Layout {size: size_of::<GstBaseParse>(), alignment: align_of::<GstBaseParse>()}),
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("GstBaseParseClass", Layout {size: size_of::<GstBaseParseClass>(), alignment: align_of::<GstBaseParseClass>()}),
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("GstBaseParseFrame", Layout {size: size_of::<GstBaseParseFrame>(), alignment: align_of::<GstBaseParseFrame>()}),
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("GstBaseParseFrameFlags", Layout {size: size_of::<GstBaseParseFrameFlags>(), alignment: align_of::<GstBaseParseFrameFlags>()}),
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("GstBaseSink", Layout {size: size_of::<GstBaseSink>(), alignment: align_of::<GstBaseSink>()}),
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("GstBaseSinkClass", Layout {size: size_of::<GstBaseSinkClass>(), alignment: align_of::<GstBaseSinkClass>()}),
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("GstBaseSrc", Layout {size: size_of::<GstBaseSrc>(), alignment: align_of::<GstBaseSrc>()}),
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("GstBaseSrcClass", Layout {size: size_of::<GstBaseSrcClass>(), alignment: align_of::<GstBaseSrcClass>()}),
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("GstBaseSrcFlags", Layout {size: size_of::<GstBaseSrcFlags>(), alignment: align_of::<GstBaseSrcFlags>()}),
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("GstBaseTransform", Layout {size: size_of::<GstBaseTransform>(), alignment: align_of::<GstBaseTransform>()}),
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("GstBaseTransformClass", Layout {size: size_of::<GstBaseTransformClass>(), alignment: align_of::<GstBaseTransformClass>()}),
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("GstBitReader", Layout {size: size_of::<GstBitReader>(), alignment: align_of::<GstBitReader>()}),
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("GstByteReader", Layout {size: size_of::<GstByteReader>(), alignment: align_of::<GstByteReader>()}),
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("GstByteWriter", Layout {size: size_of::<GstByteWriter>(), alignment: align_of::<GstByteWriter>()}),
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("GstCollectData", Layout {size: size_of::<GstCollectData>(), alignment: align_of::<GstCollectData>()}),
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("GstCollectPads", Layout {size: size_of::<GstCollectPads>(), alignment: align_of::<GstCollectPads>()}),
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("GstCollectPadsClass", Layout {size: size_of::<GstCollectPadsClass>(), alignment: align_of::<GstCollectPadsClass>()}),
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("GstCollectPadsStateFlags", Layout {size: size_of::<GstCollectPadsStateFlags>(), alignment: align_of::<GstCollectPadsStateFlags>()}),
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("GstDataQueue", Layout {size: size_of::<GstDataQueue>(), alignment: align_of::<GstDataQueue>()}),
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("GstDataQueueClass", Layout {size: size_of::<GstDataQueueClass>(), alignment: align_of::<GstDataQueueClass>()}),
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("GstDataQueueItem", Layout {size: size_of::<GstDataQueueItem>(), alignment: align_of::<GstDataQueueItem>()}),
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("GstDataQueueSize", Layout {size: size_of::<GstDataQueueSize>(), alignment: align_of::<GstDataQueueSize>()}),
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("GstPushSrc", Layout {size: size_of::<GstPushSrc>(), alignment: align_of::<GstPushSrc>()}),
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("GstPushSrcClass", Layout {size: size_of::<GstPushSrcClass>(), alignment: align_of::<GstPushSrcClass>()}),
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];
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const RUST_CONSTANTS: &[(&str, &str)] = &[
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("GST_BASE_PARSE_FLAG_DRAINING", "2"),
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("GST_BASE_PARSE_FLAG_LOST_SYNC", "1"),
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("GST_BASE_PARSE_FRAME_FLAG_CLIP", "4"),
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("GST_BASE_PARSE_FRAME_FLAG_DROP", "8"),
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("GST_BASE_PARSE_FRAME_FLAG_NEW_FRAME", "1"),
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("GST_BASE_PARSE_FRAME_FLAG_NONE", "0"),
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("GST_BASE_PARSE_FRAME_FLAG_NO_FRAME", "2"),
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("GST_BASE_PARSE_FRAME_FLAG_QUEUE", "16"),
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("GST_BASE_SRC_FLAG_LAST", "1048576"),
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("GST_BASE_SRC_FLAG_STARTED", "32768"),
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("GST_BASE_SRC_FLAG_STARTING", "16384"),
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("GST_BASE_TRANSFORM_SINK_NAME", "sink"),
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("GST_BASE_TRANSFORM_SRC_NAME", "src"),
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("GST_COLLECT_PADS_STATE_EOS", "1"),
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("GST_COLLECT_PADS_STATE_FLUSHING", "2"),
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("GST_COLLECT_PADS_STATE_LOCKED", "16"),
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("GST_COLLECT_PADS_STATE_NEW_SEGMENT", "4"),
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("GST_COLLECT_PADS_STATE_WAITING", "8"),
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];
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