Commit 6071c68a authored by Sebastian Dröge's avatar Sebastian Dröge 🍵

video: Add support for VideoCaptionMeta

parent e9edb8dd
Pipeline #37070 passed with stages
in 15 minutes and 15 seconds
......@@ -35,6 +35,7 @@ generate = [
"GstVideo.VideoFilter",
"GstVideo.VideoOverlayFormatFlags",
"GstVideo.VideoTimeCodeFlags",
"GstVideo.VideoCaptionType",
]
manual = [
......
......@@ -12,6 +12,80 @@ use glib::value::Value;
use gobject_sys;
use gst_video_sys;
#[cfg(any(feature = "v1_16", feature = "dox"))]
#[derive(Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
#[derive(Clone, Copy)]
pub enum VideoCaptionType {
Unknown,
Cea608Raw,
Cea608S3341a,
Cea708Raw,
Cea708Cdp,
#[doc(hidden)]
__Unknown(i32),
}
#[cfg(any(feature = "v1_16", feature = "dox"))]
#[doc(hidden)]
impl ToGlib for VideoCaptionType {
type GlibType = gst_video_sys::GstVideoCaptionType;
fn to_glib(&self) -> gst_video_sys::GstVideoCaptionType {
match *self {
VideoCaptionType::Unknown => gst_video_sys::GST_VIDEO_CAPTION_TYPE_UNKNOWN,
VideoCaptionType::Cea608Raw => gst_video_sys::GST_VIDEO_CAPTION_TYPE_CEA608_RAW,
VideoCaptionType::Cea608S3341a => gst_video_sys::GST_VIDEO_CAPTION_TYPE_CEA608_S334_1A,
VideoCaptionType::Cea708Raw => gst_video_sys::GST_VIDEO_CAPTION_TYPE_CEA708_RAW,
VideoCaptionType::Cea708Cdp => gst_video_sys::GST_VIDEO_CAPTION_TYPE_CEA708_CDP,
VideoCaptionType::__Unknown(value) => value
}
}
}
#[cfg(any(feature = "v1_16", feature = "dox"))]
#[doc(hidden)]
impl FromGlib<gst_video_sys::GstVideoCaptionType> for VideoCaptionType {
fn from_glib(value: gst_video_sys::GstVideoCaptionType) -> Self {
skip_assert_initialized!();
match value {
0 => VideoCaptionType::Unknown,
1 => VideoCaptionType::Cea608Raw,
2 => VideoCaptionType::Cea608S3341a,
3 => VideoCaptionType::Cea708Raw,
4 => VideoCaptionType::Cea708Cdp,
value => VideoCaptionType::__Unknown(value),
}
}
}
#[cfg(any(feature = "v1_16", feature = "dox"))]
impl StaticType for VideoCaptionType {
fn static_type() -> Type {
unsafe { from_glib(gst_video_sys::gst_video_caption_type_get_type()) }
}
}
#[cfg(any(feature = "v1_16", feature = "dox"))]
impl<'a> FromValueOptional<'a> for VideoCaptionType {
unsafe fn from_value_optional(value: &Value) -> Option<Self> {
Some(FromValue::from_value(value))
}
}
#[cfg(any(feature = "v1_16", feature = "dox"))]
impl<'a> FromValue<'a> for VideoCaptionType {
unsafe fn from_value(value: &Value) -> Self {
from_glib(gobject_sys::g_value_get_enum(value.to_glib_none().0))
}
}
#[cfg(any(feature = "v1_16", feature = "dox"))]
impl SetValue for VideoCaptionType {
unsafe fn set_value(value: &mut Value, this: &Self) {
gobject_sys::g_value_set_enum(value.to_glib_none_mut().0, this.to_glib())
}
}
#[derive(Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
#[derive(Clone, Copy)]
pub enum VideoColorMatrix {
......
......@@ -10,6 +10,8 @@ pub use self::video_overlay::{VideoOverlay, NONE_VIDEO_OVERLAY};
pub use self::video_overlay::VideoOverlayExt;
mod enums;
#[cfg(any(feature = "v1_16", feature = "dox"))]
pub use self::enums::VideoCaptionType;
pub use self::enums::VideoColorMatrix;
pub use self::enums::VideoColorPrimaries;
#[cfg(any(feature = "v1_12", feature = "dox"))]
......
......@@ -179,6 +179,61 @@ impl fmt::Debug for VideoOverlayCompositionMeta {
}
}
#[cfg(any(feature = "v1_16", feature = "dox"))]
#[repr(C)]
pub struct VideoCaptionMeta(gst_video_sys::GstVideoCaptionMeta);
#[cfg(any(feature = "v1_16", feature = "dox"))]
impl VideoCaptionMeta {
pub fn add<'a>(
buffer: &'a mut gst::BufferRef,
caption_type: ::VideoCaptionType,
data: &[u8],
) -> gst::MetaRefMut<'a, Self, gst::meta::Standalone> {
unsafe {
let meta = gst_video_sys::gst_buffer_add_video_caption_meta(
buffer.as_mut_ptr(),
caption_type.to_glib(),
data.as_ptr(),
data.len(),
);
Self::from_mut_ptr(buffer, meta)
}
}
pub fn get_caption_type(&self) -> ::VideoCaptionType {
from_glib(self.0.caption_type)
}
pub fn get_data(&self) -> &[u8] {
unsafe {
use std::slice;
slice::from_raw_parts(self.0.data, self.0.size)
}
}
}
#[cfg(any(feature = "v1_16", feature = "dox"))]
unsafe impl MetaAPI for VideoCaptionMeta {
type GstType = gst_video_sys::GstVideoCaptionMeta;
fn get_meta_api() -> glib::Type {
unsafe { from_glib(gst_video_sys::gst_video_caption_meta_api_get_type()) }
}
}
#[cfg(any(feature = "v1_16", feature = "dox"))]
impl fmt::Debug for VideoCaptionMeta {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("VideoCaptionMeta")
.field("caption_type", &self.get_caption_type())
.field("data", &self.get_data())
.finish()
}
}
#[cfg(test)]
mod tests {
use super::*;
......
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