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