Files
ffmpeg-the-third/src/filter/mod.rs
2015-09-22 02:44:13 +02:00

68 lines
1.1 KiB
Rust

pub mod flag;
pub use self::flag::Flags;
pub mod pad;
pub use self::pad::Pad;
pub mod filter;
pub use self::filter::Filter;
pub mod context;
pub use self::context::{Context, Source, Sink};
pub mod graph;
pub use self::graph::Graph;
use std::ffi::{CString, CStr};
use std::str::from_utf8_unchecked;
use ffi::*;
use ::Error;
pub fn register_all() {
unsafe {
avfilter_register_all();
}
}
pub fn register(filter: &Filter) -> Result<(), Error> {
unsafe {
match avfilter_register(filter.as_ptr()) {
0 => Ok(()),
_ => Err(Error::InvalidData),
}
}
}
pub fn version() -> u32 {
unsafe {
avfilter_version()
}
}
pub fn configuration() -> &'static str {
unsafe {
from_utf8_unchecked(CStr::from_ptr(avfilter_configuration()).to_bytes())
}
}
pub fn license() -> &'static str {
unsafe {
from_utf8_unchecked(CStr::from_ptr(avfilter_license()).to_bytes())
}
}
pub fn find(name: &str) -> Option<Filter> {
unsafe {
let name = CString::new(name).unwrap();
let ptr = avfilter_get_by_name(name.as_ptr());
if ptr.is_null() {
None
}
else {
Some(Filter::wrap(ptr))
}
}
}