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Added decklink build configuration #110

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Added decklink build configuration #110

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1 change: 1 addition & 0 deletions Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -95,6 +95,7 @@ build-lib-x264 = ["build"]
build-lib-x265 = ["build"]
build-lib-avs = ["build"]
build-lib-xvid = ["build"]
build-lib-decklink = ["build"]

# hardware accelleration
build-videotoolbox = ["build"]
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17 changes: 17 additions & 0 deletions build.rs
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Expand Up @@ -4,6 +4,7 @@ extern crate num_cpus;
extern crate pkg_config;

use std::env;
use std::ffi::OsString;
use std::fmt::Write as FmtWrite;
use std::fs::{self, File};
use std::io::{self, BufRead, BufReader, Write};
Expand Down Expand Up @@ -530,6 +531,22 @@ fn build(sysroot: Option<&str>) -> io::Result<()> {
enable!(configure, "BUILD_LIB_AVS", "libavs");
enable!(configure, "BUILD_LIB_XVID", "libxvid");

enable!(configure, "BUILD_LIB_DECKLINK", "decklink");
if env::var("CARGO_FEATURE_BUILD_LIB_DECKLINK").is_ok() {
match env::var_os("FFMPEG_DECKLINK_SDK_INCLUDE") {
Some(path) => {
let mut flags = OsString::from("--extra-cflags=-I");
flags.push(path);
configure.arg(flags);
}
None => {
eprintln!("Warning: missing environment variable FFMPEG_DECKLINK_SDK_INCLUDE, compilation may fail");
eprintln!("FFMPEG_DECKLINK_SDK_INCLUDE should be a path to decklink SDK (v12.9) include folder");
eprintln!("Please do not include space in path");
}
}
}

// make sure to only enable related hw acceleration features for a correct
// target os. This allows to leave allows cargo features enable and control
// ffmpeg compilation using target only
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