Move stuff around into different modules

This commit is contained in:
Sebastian Dröge 2016-05-14 14:44:49 +03:00
parent 35a7cfa032
commit 4d989404b0
4 changed files with 127 additions and 118 deletions

View file

@ -3,5 +3,8 @@
extern crate libc;
extern crate url;
#[macro_use]
pub mod utils;
pub mod rssource;
pub mod rsfilesrc;
pub mod rsfilesink;

View file

@ -1,8 +1,4 @@
use libc::{c_char};
use std::ffi::{CStr, CString};
use std::ptr;
use std::u64;
use std::slice;
use std::io::{Read, Seek, SeekFrom};
use std::fs::File;
use std::path::PathBuf;
@ -10,47 +6,8 @@ use url::Url;
use std::io::Write;
macro_rules! println_err(
($($arg:tt)*) => { {
let r = writeln!(&mut ::std::io::stderr(), $($arg)*);
r.expect("failed printing to stderr");
} }
);
#[repr(C)]
pub enum GstFlowReturn {
Ok = 0,
NotLinked = -1,
Flushing = -2,
Eos = -3,
NotNegotiated = -4,
Error = -5,
}
#[repr(C)]
pub enum GBoolean {
False = 0,
True = 1,
}
impl GBoolean {
fn from_bool(v: bool) -> GBoolean {
match v {
true => GBoolean::True,
false => GBoolean::False,
}
}
}
pub trait Source {
fn set_uri(&mut self, uri_str: &Option<String>) -> bool;
fn get_uri(&self) -> Option<String>;
fn is_seekable(&self) -> bool;
fn get_size(&self) -> u64;
fn start(&mut self) -> bool;
fn stop(&mut self) -> bool;
fn fill(&mut self, offset: u64, data: &mut [u8]) -> Result<usize, GstFlowReturn>;
}
use utils::*;
use rssource::*;
#[derive(Debug)]
pub struct FileSrc {
@ -186,76 +143,3 @@ pub extern "C" fn filesrc_new() -> *mut Box<Source> {
let instance = Box::new(FileSrc::new_source());
return Box::into_raw(instance);
}
#[no_mangle]
pub extern "C" fn source_drop(ptr: *mut Box<Source>) {
unsafe { Box::from_raw(ptr) };
}
#[no_mangle]
pub extern "C" fn source_set_uri(ptr: *mut Box<Source>, uri_ptr: *const c_char) -> GBoolean{
let source: &mut Box<Source> = unsafe { &mut *ptr };
if uri_ptr.is_null() {
GBoolean::from_bool(source.set_uri(&None))
} else {
let uri = unsafe { CStr::from_ptr(uri_ptr) };
GBoolean::from_bool(source.set_uri(&Some(String::from(uri.to_str().unwrap()))))
}
}
#[no_mangle]
pub extern "C" fn source_get_uri(ptr: *mut Box<Source>) -> *mut c_char {
let source: &mut Box<Source> = unsafe { &mut *ptr };
match source.get_uri() {
Some(ref uri) =>
CString::new(uri.clone().into_bytes()).unwrap().into_raw(),
None =>
ptr::null_mut()
}
}
#[no_mangle]
pub extern "C" fn source_fill(ptr: *mut Box<Source>, offset: u64, data_ptr: *mut u8, data_len_ptr: *mut usize) -> GstFlowReturn {
let source: &mut Box<Source> = unsafe { &mut *ptr };
let mut data_len: &mut usize = unsafe { &mut *data_len_ptr };
let mut data = unsafe { slice::from_raw_parts_mut(data_ptr, *data_len) };
match source.fill(offset, data) {
Ok(actual_len) => {
*data_len = actual_len;
GstFlowReturn::Ok
},
Err(ret) => ret,
}
}
#[no_mangle]
pub extern "C" fn source_get_size(ptr: *mut Box<Source>) -> u64 {
let source: &mut Box<Source> = unsafe { &mut *ptr };
return source.get_size();
}
#[no_mangle]
pub extern "C" fn source_start(ptr: *mut Box<Source>) -> GBoolean {
let source: &mut Box<Source> = unsafe { &mut *ptr };
GBoolean::from_bool(source.start())
}
#[no_mangle]
pub extern "C" fn source_stop(ptr: *mut Box<Source>) -> GBoolean {
let source: &mut Box<Source> = unsafe { &mut *ptr };
GBoolean::from_bool(source.stop())
}
#[no_mangle]
pub extern "C" fn source_is_seekable(ptr: *mut Box<Source>) -> GBoolean {
let source: &mut Box<Source> = unsafe { &mut *ptr };
GBoolean::from_bool(source.is_seekable())
}

89
src/rssource.rs Normal file
View file

@ -0,0 +1,89 @@
use libc::{c_char};
use std::ffi::{CStr, CString};
use std::slice;
use std::ptr;
use utils::*;
pub trait Source {
fn set_uri(&mut self, uri_str: &Option<String>) -> bool;
fn get_uri(&self) -> Option<String>;
fn is_seekable(&self) -> bool;
fn get_size(&self) -> u64;
fn start(&mut self) -> bool;
fn stop(&mut self) -> bool;
fn fill(&mut self, offset: u64, data: &mut [u8]) -> Result<usize, GstFlowReturn>;
}
#[no_mangle]
pub extern "C" fn source_drop(ptr: *mut Box<Source>) {
unsafe { Box::from_raw(ptr) };
}
#[no_mangle]
pub extern "C" fn source_set_uri(ptr: *mut Box<Source>, uri_ptr: *const c_char) -> GBoolean{
let source: &mut Box<Source> = unsafe { &mut *ptr };
if uri_ptr.is_null() {
GBoolean::from_bool(source.set_uri(&None))
} else {
let uri = unsafe { CStr::from_ptr(uri_ptr) };
GBoolean::from_bool(source.set_uri(&Some(String::from(uri.to_str().unwrap()))))
}
}
#[no_mangle]
pub extern "C" fn source_get_uri(ptr: *mut Box<Source>) -> *mut c_char {
let source: &mut Box<Source> = unsafe { &mut *ptr };
match source.get_uri() {
Some(ref uri) =>
CString::new(uri.clone().into_bytes()).unwrap().into_raw(),
None =>
ptr::null_mut()
}
}
#[no_mangle]
pub extern "C" fn source_fill(ptr: *mut Box<Source>, offset: u64, data_ptr: *mut u8, data_len_ptr: *mut usize) -> GstFlowReturn {
let source: &mut Box<Source> = unsafe { &mut *ptr };
let mut data_len: &mut usize = unsafe { &mut *data_len_ptr };
let mut data = unsafe { slice::from_raw_parts_mut(data_ptr, *data_len) };
match source.fill(offset, data) {
Ok(actual_len) => {
*data_len = actual_len;
GstFlowReturn::Ok
},
Err(ret) => ret,
}
}
#[no_mangle]
pub extern "C" fn source_get_size(ptr: *mut Box<Source>) -> u64 {
let source: &mut Box<Source> = unsafe { &mut *ptr };
return source.get_size();
}
#[no_mangle]
pub extern "C" fn source_start(ptr: *mut Box<Source>) -> GBoolean {
let source: &mut Box<Source> = unsafe { &mut *ptr };
GBoolean::from_bool(source.start())
}
#[no_mangle]
pub extern "C" fn source_stop(ptr: *mut Box<Source>) -> GBoolean {
let source: &mut Box<Source> = unsafe { &mut *ptr };
GBoolean::from_bool(source.stop())
}
#[no_mangle]
pub extern "C" fn source_is_seekable(ptr: *mut Box<Source>) -> GBoolean {
let source: &mut Box<Source> = unsafe { &mut *ptr };
GBoolean::from_bool(source.is_seekable())
}

33
src/utils.rs Normal file
View file

@ -0,0 +1,33 @@
#[macro_export]
macro_rules! println_err(
($($arg:tt)*) => { {
let r = writeln!(&mut ::std::io::stderr(), $($arg)*);
r.expect("failed printing to stderr");
} }
);
#[repr(C)]
pub enum GstFlowReturn {
Ok = 0,
NotLinked = -1,
Flushing = -2,
Eos = -3,
NotNegotiated = -4,
Error = -5,
}
#[repr(C)]
pub enum GBoolean {
False = 0,
True = 1,
}
impl GBoolean {
pub fn from_bool(v: bool) -> GBoolean {
match v {
true => GBoolean::True,
false => GBoolean::False,
}
}
}