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use glib::translate::*;
use gst;
use gst_video_sys;
use std::fmt;
use std::mem;
use utils::HasStreamLock;
use VideoCodecFrameFlags;
pub struct VideoCodecFrame<'a> {
frame: *mut gst_video_sys::GstVideoCodecFrame,
element: &'a dyn HasStreamLock,
}
#[doc(hidden)]
impl<'a> ::glib::translate::ToGlibPtr<'a, *mut gst_video_sys::GstVideoCodecFrame>
for VideoCodecFrame<'a>
{
type Storage = &'a Self;
fn to_glib_none(
&'a self,
) -> ::glib::translate::Stash<'a, *mut gst_video_sys::GstVideoCodecFrame, Self> {
Stash(self.frame, self)
}
fn to_glib_full(&self) -> *mut gst_video_sys::GstVideoCodecFrame {
unimplemented!()
}
}
impl<'a> fmt::Debug for VideoCodecFrame<'a> {
fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
let mut b = f.debug_struct("VideoCodecFrame");
b.field("flags", &self.get_flags())
.field("system_frame_number", &self.get_system_frame_number())
.field("decode_frame_number", &self.get_decode_frame_number())
.field(
"presentation_frame_number",
&self.get_presentation_frame_number(),
)
.field("dts", &self.get_dts())
.field("pts", &self.get_pts())
.field("duration", &self.get_duration())
.field("distance_from_sync", &self.get_distance_from_sync())
.field("input_buffer", &self.get_input_buffer())
.field("output_buffer", &self.get_output_buffer())
.field("deadline", &self.get_deadline());
b.finish()
}
}
impl<'a> VideoCodecFrame<'a> {
pub(crate) unsafe fn new<T: HasStreamLock>(
frame: *mut gst_video_sys::GstVideoCodecFrame,
element: &'a T,
) -> Self {
skip_assert_initialized!();
let stream_lock = element.get_stream_lock();
glib_sys::g_rec_mutex_lock(stream_lock);
Self { frame, element }
}
pub fn get_flags(&self) -> VideoCodecFrameFlags {
let flags = unsafe { (*self.to_glib_none().0).flags };
VideoCodecFrameFlags::from_bits_truncate(flags)
}
pub fn set_flags(&mut self, flags: VideoCodecFrameFlags) {
unsafe { (*self.to_glib_none().0).flags |= flags.bits() }
}
pub fn unset_flags(&mut self, flags: VideoCodecFrameFlags) {
unsafe { (*self.to_glib_none().0).flags &= !flags.bits() }
}
pub fn get_system_frame_number(&self) -> u32 {
unsafe { (*self.to_glib_none().0).system_frame_number }
}
pub fn get_decode_frame_number(&self) -> u32 {
unsafe { (*self.to_glib_none().0).decode_frame_number }
}
pub fn get_presentation_frame_number(&self) -> u32 {
unsafe { (*self.to_glib_none().0).presentation_frame_number }
}
pub fn get_dts(&self) -> gst::ClockTime {
unsafe { from_glib((*self.to_glib_none().0).dts) }
}
pub fn set_dts(&mut self, dts: gst::ClockTime) {
unsafe {
(*self.to_glib_none().0).dts = dts.to_glib();
}
}
pub fn get_pts(&self) -> gst::ClockTime {
unsafe { from_glib((*self.to_glib_none().0).pts) }
}
pub fn set_pts(&mut self, pts: gst::ClockTime) {
unsafe {
(*self.to_glib_none().0).pts = pts.to_glib();
}
}
pub fn get_duration(&self) -> gst::ClockTime {
unsafe { from_glib((*self.to_glib_none().0).duration) }
}
pub fn set_duration(&mut self, duration: gst::ClockTime) {
unsafe {
(*self.to_glib_none().0).duration = duration.to_glib();
}
}
pub fn get_distance_from_sync(&self) -> i32 {
unsafe { (*self.to_glib_none().0).distance_from_sync }
}
pub fn get_input_buffer(&self) -> Option<&gst::BufferRef> {
unsafe {
let ptr = (*self.to_glib_none().0).input_buffer;
if ptr.is_null() {
None
} else {
Some(gst::BufferRef::from_ptr(ptr))
}
}
}
pub fn get_output_buffer(&self) -> Option<&gst::BufferRef> {
unsafe {
let ptr = (*self.to_glib_none().0).output_buffer;
if ptr.is_null() {
None
} else {
Some(gst::BufferRef::from_ptr(ptr))
}
}
}
pub fn get_output_buffer_mut(&mut self) -> Option<&mut gst::BufferRef> {
unsafe {
let ptr = (*self.to_glib_none().0).output_buffer;
if ptr.is_null() {
None
} else {
let writable: bool = from_glib(gst_sys::gst_mini_object_is_writable(
ptr as *const gst_sys::GstMiniObject,
));
assert!(writable);
Some(gst::BufferRef::from_mut_ptr(ptr))
}
}
}
pub fn set_output_buffer(&mut self, output_buffer: gst::Buffer) {
unsafe {
let prev = (*self.to_glib_none().0).output_buffer;
if !prev.is_null() {
gst_sys::gst_mini_object_unref(prev as *mut gst_sys::GstMiniObject);
}
let ptr = output_buffer.into_ptr();
let writable: bool = from_glib(gst_sys::gst_mini_object_is_writable(
ptr as *const gst_sys::GstMiniObject,
));
assert!(writable);
(*self.to_glib_none().0).output_buffer = ptr;
}
}
pub fn get_deadline(&self) -> gst::ClockTime {
unsafe { from_glib((*self.to_glib_none().0).deadline) }
}
#[doc(hidden)]
pub unsafe fn into_ptr(self) -> *mut gst_video_sys::GstVideoCodecFrame {
let stream_lock = self.element.get_stream_lock();
glib_sys::g_rec_mutex_unlock(stream_lock);
let s = mem::ManuallyDrop::new(self);
s.to_glib_none().0
}
}
impl<'a> Drop for VideoCodecFrame<'a> {
fn drop(&mut self) {
unsafe {
let stream_lock = self.element.get_stream_lock();
glib_sys::g_rec_mutex_unlock(stream_lock);
gst_video_sys::gst_video_codec_frame_unref(self.frame);
}
}
}