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https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs.git
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Print metadata recv
This commit is contained in:
rubenrua
parent
864e9b4520
commit
ef508c39d1
1 changed files with 118 additions and 18 deletions
136
src/main.rs
136
src/main.rs
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@ -23,6 +23,17 @@ extern "C" {
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p_instance: NDIlib_recv_instance_t,
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p_tally: *const NDIlib_tally_t,
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) -> bool;
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pub fn NDIlib_recv_send_metadata(
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p_instance: NDIlib_recv_instance_t,
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p_metadata: *const NDIlib_metadata_frame_t,
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) -> bool;
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pub fn NDIlib_recv_capture_v2(
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p_instance: NDIlib_recv_instance_t,
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p_video_data: *const NDIlib_video_frame_v2_t,
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p_audio_data: *const NDIlib_audio_frame_v2_t,
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p_metadata: *const NDIlib_metadata_frame_t,
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timeout_in_ms: u32,
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) -> NDIlib_frame_type_e;
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}
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pub type NDIlib_find_instance_t = *mut ::std::os::raw::c_void;
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@ -44,23 +55,32 @@ pub struct NDIlib_source_t {
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//TODO review enum
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pub type NDIlib_frame_type_e = i32;
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pub const NDIlib_frame_type_none: NDIlib_frame_type_e = 0;
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pub const NDIlib_frame_type_video: NDIlib_frame_type_e = 1;
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pub const NDIlib_frame_type_audio: NDIlib_frame_type_e = 2;
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pub const NDIlib_frame_type_metadata: NDIlib_frame_type_e = 3;
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pub const NDIlib_frame_type_error: NDIlib_frame_type_e = 4;
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pub const NDIlib_frame_type_status_change: NDIlib_frame_type_e = 100;
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pub type NDIlib_recv_bandwidth_e = i32;
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pub const NDIlib_recv_bandwidth_e_NDIlib_recv_bandwidth_metadata_only : NDIlib_recv_bandwidth_e = -10;
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pub const NDIlib_recv_bandwidth_e_NDIlib_recv_bandwidth_audio_only : NDIlib_recv_bandwidth_e = 10;
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pub const NDIlib_recv_bandwidth_e_NDIlib_recv_bandwidth_lowest : NDIlib_recv_bandwidth_e = 0;
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pub const NDIlib_recv_bandwidth_e_NDIlib_recv_bandwidth_highest : NDIlib_recv_bandwidth_e = 100;
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pub const NDIlib_recv_bandwidth_e_NDIlib_recv_bandwidth_metadata_only: NDIlib_recv_bandwidth_e = -10;
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pub const NDIlib_recv_bandwidth_e_NDIlib_recv_bandwidth_audio_only: NDIlib_recv_bandwidth_e = 10;
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pub const NDIlib_recv_bandwidth_e_NDIlib_recv_bandwidth_lowest: NDIlib_recv_bandwidth_e = 0;
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pub const NDIlib_recv_bandwidth_e_NDIlib_recv_bandwidth_highest: NDIlib_recv_bandwidth_e = 100;
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pub type NDIlib_recv_color_format_e = u32;
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pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_BGRX_BGRA : NDIlib_recv_color_format_e = 0;
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pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_UYVY_BGRA : NDIlib_recv_color_format_e = 1;
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pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_RGBX_RGBA : NDIlib_recv_color_format_e = 2;
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pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_UYVY_RGBA : NDIlib_recv_color_format_e = 3;
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pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_fastest : NDIlib_recv_color_format_e = 100;
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pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_e_BGRX_BGRA : NDIlib_recv_color_format_e = 0;
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pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_e_UYVY_BGRA : NDIlib_recv_color_format_e = 1;
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pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_e_RGBX_RGBA : NDIlib_recv_color_format_e = 2;
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pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_e_UYVY_RGBA : NDIlib_recv_color_format_e = 3;
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pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_BGRX_BGRA: NDIlib_recv_color_format_e = 0;
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pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_UYVY_BGRA: NDIlib_recv_color_format_e = 1;
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pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_RGBX_RGBA: NDIlib_recv_color_format_e = 2;
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pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_UYVY_RGBA: NDIlib_recv_color_format_e = 3;
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pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_fastest: NDIlib_recv_color_format_e = 100;
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pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_e_BGRX_BGRA: NDIlib_recv_color_format_e = 0;
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pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_e_UYVY_BGRA: NDIlib_recv_color_format_e = 1;
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pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_e_RGBX_RGBA: NDIlib_recv_color_format_e = 2;
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pub const NDIlib_recv_color_format_e_NDIlib_recv_color_format_e_UYVY_RGBA: NDIlib_recv_color_format_e = 3;
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#[repr(C)]
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#[derive(Debug,Copy,Clone)]
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@ -87,7 +107,38 @@ pub struct NDIlib_tally_t {
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pub struct NDIlib_metadata_frame_t {
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pub length: ::std::os::raw::c_int,
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pub timecode: i64,
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pub p_data: *mut ::std::os::raw::c_char,
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pub p_data: *const ::std::os::raw::c_char,
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}
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#[repr(C)]
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#[derive(Debug,Copy,Clone)]
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pub struct NDIlib_video_frame_v2_t {
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pub xres: ::std::os::raw::c_int,
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pub yres: ::std::os::raw::c_int,
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pub FourCC: u32, //TODO enum
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pub frame_rate_N: ::std::os::raw::c_int,
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pub frame_rate_D: ::std::os::raw::c_int,
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pub picture_aspect_ratio: ::std::os::raw::c_float,
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pub frame_format_type: u32, //TODO enum
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pub timecode: i64,
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pub p_data: *const ::std::os::raw::c_char,
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pub line_stride_in_bytes: ::std::os::raw::c_int,
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pub p_metadata: *const ::std::os::raw::c_char,
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pub timestamp: i64,
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}
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#[repr(C)]
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#[derive(Debug,Copy,Clone)]
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pub struct NDIlib_audio_frame_v2_t {
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pub sample_rate: ::std::os::raw::c_int,
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pub no_channels: ::std::os::raw::c_int,
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pub no_samples: ::std::os::raw::c_int,
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pub timecode: i64,
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pub p_data: *const ::std::os::raw::c_float,
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pub channel_stride_in_bytes: ::std::os::raw::c_int,
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pub p_metadata: *const ::std::os::raw::c_char,
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pub timestamp: i64,
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}
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@ -163,15 +214,64 @@ fn main() {
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// Enable Hardwqre Decompression support if this support has it. Please read the caveats in the documentation
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// regarding this. There are times in which it might reduce the performance although on small stream numbers
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// it almost always yields the same or better performance.
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/*
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NDIlib_metadata_frame_t enable_hw_accel;
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enable_hw_accel.p_data = "<ndi_hwaccel enabled=\"true\"/>";
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let data = CString::new("<ndi_hwaccel enabled=\"true\"/>").unwrap();
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let enable_hw_accel = NDIlib_metadata_frame_t {
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length: data.to_bytes().len() as i32,
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timecode: 0,
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p_data: data.as_ptr(),
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};
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NDIlib_recv_send_metadata(pNDI_recv, &enable_hw_accel);
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*/
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loop {
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let video_frame = NDIlib_video_frame_v2_t {
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xres: 0,
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yres: 0,
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FourCC: 0,
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frame_rate_N: 0,
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frame_rate_D: 0,
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picture_aspect_ratio: 0.0,
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frame_format_type: 0,
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timecode: 0,
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p_data: ptr::null(),
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line_stride_in_bytes: 0,
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p_metadata: ptr::null(),
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timestamp: 0,
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};
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let audio_frame = NDIlib_audio_frame_v2_t {
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sample_rate: 0,
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no_channels: 0,
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no_samples: 0,
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timecode: 0,
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p_data: ptr::null(),
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channel_stride_in_bytes: 0,
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p_metadata: ptr::null(),
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timestamp: 0,
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};
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let metadata_frame = NDIlib_metadata_frame_t {
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length: 0,
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timecode: 0,
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p_data: ptr::null(),
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};
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let frame_type = NDIlib_recv_capture_v2(pNDI_recv, &video_frame, &audio_frame, &metadata_frame, 1000);
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match frame_type {
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NDIlib_frame_type_metadata => {
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println!("Tengo 3 {} '{}'",
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metadata_frame.length,
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CStr::from_ptr(metadata_frame.p_data).to_string_lossy().into_owned(),
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);
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},
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_ => println!("Tengo {}", frame_type),
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}
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}
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}
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println!("Hello, world!");
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