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This commit is contained in:
rubenrua 2018-04-10 17:53:49 +02:00
parent 20b6ae5ff6
commit 98db99924e
2 changed files with 142 additions and 140 deletions
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61
example/src/main.rs
View file

@ -1,14 +1,12 @@
#![allow(non_upper_case_globals, non_snake_case)] #![allow(non_upper_case_globals, non_snake_case)]
pub mod ndilib; pub mod ndilib;
use std::ptr; use std::ptr;
use std::ffi::{CString, CStr}; use std::ffi::{CStr, CString};
use ndilib::*; use ndilib::*;
fn main() { fn main() {
unsafe { unsafe {
if !NDIlib_initialize() { if !NDIlib_initialize() {
@ -31,17 +29,21 @@ fn main() {
p_sources = NDIlib_find_get_current_sources(pNDI_find, &mut no_sources as *mut u32); p_sources = NDIlib_find_get_current_sources(pNDI_find, &mut no_sources as *mut u32);
} }
// We need at least one source // We need at least one source
if p_sources.is_null() { if p_sources.is_null() {
println!("Error getting NDIlib_find_get_current_sources."); println!("Error getting NDIlib_find_get_current_sources.");
::std::process::exit(1); ::std::process::exit(1);
} }
println!("no_source {}: Name '{}' Address '{}'", println!(
"no_source {}: Name '{}' Address '{}'",
no_sources, no_sources,
CStr::from_ptr((*p_sources).p_ndi_name).to_string_lossy().into_owned(), CStr::from_ptr((*p_sources).p_ndi_name)
CStr::from_ptr((*p_sources).p_ip_address).to_string_lossy().into_owned() .to_string_lossy()
.into_owned(),
CStr::from_ptr((*p_sources).p_ip_address)
.to_string_lossy()
.into_owned()
); );
// We now have at least one source, so we create a receiver to look at it. // We now have at least one source, so we create a receiver to look at it.
@ -54,7 +56,6 @@ fn main() {
..Default::default() ..Default::default()
}; };
let pNDI_recv = NDIlib_recv_create_v3(&NDI_recv_create_desc); let pNDI_recv = NDIlib_recv_create_v3(&NDI_recv_create_desc);
if pNDI_recv.is_null() { if pNDI_recv.is_null() {
println!("Cannot run NDI: NDIlib_recv_create_v3 error."); println!("Cannot run NDI: NDIlib_recv_create_v3 error.");
@ -68,7 +69,6 @@ fn main() {
let tally_state: NDIlib_tally_t = Default::default(); let tally_state: NDIlib_tally_t = Default::default();
NDIlib_recv_set_tally(pNDI_recv, &tally_state); NDIlib_recv_set_tally(pNDI_recv, &tally_state);
// Enable Hardwqre Decompression support if this support has it. Please read the caveats in the documentation // Enable Hardwqre Decompression support if this support has it. Please read the caveats in the documentation
// regarding this. There are times in which it might reduce the performance although on small stream numbers // regarding this. There are times in which it might reduce the performance although on small stream numbers
// it almost always yields the same or better performance. // it almost always yields the same or better performance.
@ -82,44 +82,47 @@ fn main() {
NDIlib_recv_send_metadata(pNDI_recv, &enable_hw_accel); NDIlib_recv_send_metadata(pNDI_recv, &enable_hw_accel);
loop { loop {
let video_frame: NDIlib_video_frame_v2_t = Default::default(); let video_frame: NDIlib_video_frame_v2_t = Default::default();
let audio_frame: NDIlib_audio_frame_v2_t = Default::default(); let audio_frame: NDIlib_audio_frame_v2_t = Default::default();
let metadata_frame: NDIlib_metadata_frame_t = Default::default(); let metadata_frame: NDIlib_metadata_frame_t = Default::default();
let frame_type = NDIlib_recv_capture_v2(
let frame_type = NDIlib_recv_capture_v2(pNDI_recv, &video_frame, &audio_frame, &metadata_frame, 1000); pNDI_recv,
&video_frame,
&audio_frame,
&metadata_frame,
1000,
);
match frame_type { match frame_type {
NDIlib_frame_type_video => { NDIlib_frame_type_video => {
println!("Tengo video {:?}", println!("Tengo video {:?}", video_frame);
video_frame }
);
},
NDIlib_frame_type_audio => { NDIlib_frame_type_audio => {
println!("Tengo audio {:?}", println!("Tengo audio {:?}", audio_frame);
audio_frame }
);
},
NDIlib_frame_type_metadata => { NDIlib_frame_type_metadata => {
println!("Tengo metadata {} '{}'", println!(
"Tengo metadata {} '{}'",
metadata_frame.length, metadata_frame.length,
CStr::from_ptr(metadata_frame.p_data).to_string_lossy().into_owned(), CStr::from_ptr(metadata_frame.p_data)
.to_string_lossy()
.into_owned(),
); );
}, }
NDIlib_frame_type_error => { NDIlib_frame_type_error => {
println!("Tengo error {} '{}'", println!(
"Tengo error {} '{}'",
metadata_frame.length, metadata_frame.length,
CStr::from_ptr(metadata_frame.p_data).to_string_lossy().into_owned(), CStr::from_ptr(metadata_frame.p_data)
.to_string_lossy()
.into_owned(),
); );
break; break;
}, }
_ => println!("Tengo {}", frame_type), _ => println!("Tengo {}", frame_type),
} }
} }
} }
println!("Exit"); println!("Exit");
} }

67
example/src/ndilib.rs
View file

@ -15,9 +15,7 @@ extern "C" {
pub fn NDIlib_recv_create_v3( pub fn NDIlib_recv_create_v3(
p_create_settings: *const NDIlib_recv_create_v3_t, p_create_settings: *const NDIlib_recv_create_v3_t,
) -> NDIlib_recv_instance_t; ) -> NDIlib_recv_instance_t;
pub fn NDIlib_find_destroy( pub fn NDIlib_find_destroy(p_instance: NDIlib_find_instance_t);
p_instance: NDIlib_find_instance_t,
);
pub fn NDIlib_recv_set_tally( pub fn NDIlib_recv_set_tally(
p_instance: NDIlib_recv_instance_t, p_instance: NDIlib_recv_instance_t,
p_tally: *const NDIlib_tally_t, p_tally: *const NDIlib_tally_t,
@ -50,12 +48,11 @@ impl Default for NDIlib_find_create_t {
NDIlib_find_create_t { NDIlib_find_create_t {
show_local_sources: true, show_local_sources: true,
p_groups: ptr::null(), p_groups: ptr::null(),
p_extra_ips: ptr::null() p_extra_ips: ptr::null(),
} }
} }
} }
#[repr(C)] #[repr(C)]
#[derive(Debug, Copy, Clone)] #[derive(Debug, Copy, Clone)]
pub struct NDIlib_source_t { pub struct NDIlib_source_t {
@ -67,12 +64,11 @@ impl Default for NDIlib_source_t {
fn default() -> Self { fn default() -> Self {
NDIlib_source_t { NDIlib_source_t {
p_ndi_name: ptr::null(), p_ndi_name: ptr::null(),
p_ip_address: ptr::null() p_ip_address: ptr::null(),
} }
} }
} }
//TODO review enum //TODO review enum
pub type NDIlib_frame_type_e = i32; pub type NDIlib_frame_type_e = i32;
pub const NDIlib_frame_type_none: NDIlib_frame_type_e = 0; pub const NDIlib_frame_type_none: NDIlib_frame_type_e = 0;
@ -82,27 +78,35 @@ pub const NDIlib_frame_type_metadata: NDIlib_frame_type_e = 3;
pub const NDIlib_frame_type_error: NDIlib_frame_type_e = 4; pub const NDIlib_frame_type_error: NDIlib_frame_type_e = 4;
pub const NDIlib_frame_type_status_change: NDIlib_frame_type_e = 100; pub const NDIlib_frame_type_status_change: NDIlib_frame_type_e = 100;
pub type NDIlib_recv_bandwidth_e = i32; pub type NDIlib_recv_bandwidth_e = i32;
pub const NDIlib_recv_bandwidth_e_NDIlib_recv_bandwidth_metadata_only: NDIlib_recv_bandwidth_e = -10; pub const NDIlib_recv_bandwidth_e_NDIlib_recv_bandwidth_metadata_only: NDIlib_recv_bandwidth_e =
-10;
pub const NDIlib_recv_bandwidth_e_NDIlib_recv_bandwidth_audio_only: NDIlib_recv_bandwidth_e = 10; pub const NDIlib_recv_bandwidth_e_NDIlib_recv_bandwidth_audio_only: NDIlib_recv_bandwidth_e = 10;
pub const NDIlib_recv_bandwidth_e_NDIlib_recv_bandwidth_lowest: NDIlib_recv_bandwidth_e = 0; pub const NDIlib_recv_bandwidth_e_NDIlib_recv_bandwidth_lowest: NDIlib_recv_bandwidth_e = 0;
pub const NDIlib_recv_bandwidth_e_NDIlib_recv_bandwidth_highest: NDIlib_recv_bandwidth_e = 100; pub const NDIlib_recv_bandwidth_e_NDIlib_recv_bandwidth_highest: NDIlib_recv_bandwidth_e = 100;
pub type NDIlib_recv_color_format_e = u32; pub type NDIlib_recv_color_format_e = u32;
pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_BGRX_BGRA: NDIlib_recv_color_format_e = 0; pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_BGRX_BGRA:
pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_UYVY_BGRA: NDIlib_recv_color_format_e = 1; NDIlib_recv_color_format_e = 0;
pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_RGBX_RGBA: NDIlib_recv_color_format_e = 2; pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_UYVY_BGRA:
pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_UYVY_RGBA: NDIlib_recv_color_format_e = 3; NDIlib_recv_color_format_e = 1;
pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_fastest: NDIlib_recv_color_format_e = 100; pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_RGBX_RGBA:
pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_e_BGRX_BGRA: NDIlib_recv_color_format_e = 0; NDIlib_recv_color_format_e = 2;
pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_e_UYVY_BGRA: NDIlib_recv_color_format_e = 1; pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_UYVY_RGBA:
pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_e_RGBX_RGBA: NDIlib_recv_color_format_e = 2; NDIlib_recv_color_format_e = 3;
pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_e_UYVY_RGBA: NDIlib_recv_color_format_e = 3; pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_fastest: NDIlib_recv_color_format_e =
100;
pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_e_BGRX_BGRA:
NDIlib_recv_color_format_e = 0;
pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_e_UYVY_BGRA:
NDIlib_recv_color_format_e = 1;
pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_e_RGBX_RGBA:
NDIlib_recv_color_format_e = 2;
pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_e_UYVY_RGBA:
NDIlib_recv_color_format_e = 3;
#[repr(C)] #[repr(C)]
#[derive(Debug,Copy,Clone)] #[derive(Debug, Copy, Clone)]
pub struct NDIlib_recv_create_v3_t { pub struct NDIlib_recv_create_v3_t {
pub source_to_connect_to: NDIlib_source_t, pub source_to_connect_to: NDIlib_source_t,
pub color_format: NDIlib_recv_color_format_e, pub color_format: NDIlib_recv_color_format_e,
@ -118,16 +122,15 @@ impl Default for NDIlib_recv_create_v3_t {
allow_video_fields: true, allow_video_fields: true,
bandwidth: NDIlib_recv_bandwidth_e_NDIlib_recv_bandwidth_highest, bandwidth: NDIlib_recv_bandwidth_e_NDIlib_recv_bandwidth_highest,
color_format: NDIlib_recv_color_format_e_NDIlib_recv_color_format_UYVY_BGRA, color_format: NDIlib_recv_color_format_e_NDIlib_recv_color_format_UYVY_BGRA,
p_ndi_name: ptr::null() p_ndi_name: ptr::null(),
} }
} }
} }
pub type NDIlib_recv_instance_t = *mut ::std::os::raw::c_void; pub type NDIlib_recv_instance_t = *mut ::std::os::raw::c_void;
#[repr(C)] #[repr(C)]
#[derive(Debug,Copy,Clone)] #[derive(Debug, Copy, Clone)]
pub struct NDIlib_tally_t { pub struct NDIlib_tally_t {
pub on_program: bool, pub on_program: bool,
pub on_preview: bool, pub on_preview: bool,
@ -137,34 +140,31 @@ impl Default for NDIlib_tally_t {
fn default() -> Self { fn default() -> Self {
NDIlib_tally_t { NDIlib_tally_t {
on_program: false, on_program: false,
on_preview: false on_preview: false,
} }
} }
} }
#[repr(C)] #[repr(C)]
#[derive(Debug,Copy,Clone)] #[derive(Debug, Copy, Clone)]
pub struct NDIlib_metadata_frame_t { pub struct NDIlib_metadata_frame_t {
pub length: ::std::os::raw::c_int, pub length: ::std::os::raw::c_int,
pub timecode: i64, pub timecode: i64,
pub p_data: *const ::std::os::raw::c_char, pub p_data: *const ::std::os::raw::c_char,
} }
impl Default for NDIlib_metadata_frame_t { impl Default for NDIlib_metadata_frame_t {
fn default() -> Self { fn default() -> Self {
NDIlib_metadata_frame_t { NDIlib_metadata_frame_t {
length: 0, length: 0,
timecode: 0, //NDIlib_send_timecode_synthesize, timecode: 0, //NDIlib_send_timecode_synthesize,
p_data: ptr::null() p_data: ptr::null(),
} }
} }
} }
#[repr(C)] #[repr(C)]
#[derive(Debug,Copy,Clone)] #[derive(Debug, Copy, Clone)]
pub struct NDIlib_video_frame_v2_t { pub struct NDIlib_video_frame_v2_t {
pub xres: ::std::os::raw::c_int, pub xres: ::std::os::raw::c_int,
pub yres: ::std::os::raw::c_int, pub yres: ::std::os::raw::c_int,
@ -194,14 +194,13 @@ impl Default for NDIlib_video_frame_v2_t {
p_data: ptr::null(), p_data: ptr::null(),
line_stride_in_bytes: 0, line_stride_in_bytes: 0,
p_metadata: ptr::null(), p_metadata: ptr::null(),
timestamp: 0 timestamp: 0,
} }
} }
} }
#[repr(C)] #[repr(C)]
#[derive(Debug,Copy,Clone)] #[derive(Debug, Copy, Clone)]
pub struct NDIlib_audio_frame_v2_t { pub struct NDIlib_audio_frame_v2_t {
pub sample_rate: ::std::os::raw::c_int, pub sample_rate: ::std::os::raw::c_int,
pub no_channels: ::std::os::raw::c_int, pub no_channels: ::std::os::raw::c_int,
@ -223,7 +222,7 @@ impl Default for NDIlib_audio_frame_v2_t {
p_data: ptr::null(), p_data: ptr::null(),
channel_stride_in_bytes: 0, channel_stride_in_bytes: 0,
p_metadata: ptr::null(), p_metadata: ptr::null(),
timestamp: 0 timestamp: 0,
} }
} }
} }