gstreamer_audio/
audio_encoder.rs

1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use std::{mem, ptr};
4
5use glib::{prelude::*, translate::*};
6
7use crate::{ffi, AudioEncoder};
8
9pub trait AudioEncoderExtManual: IsA<AudioEncoder> + 'static {
10    #[doc(alias = "gst_audio_encoder_negotiate")]
11    fn negotiate(&self) -> Result<(), gst::FlowError> {
12        unsafe {
13            let ret = from_glib(ffi::gst_audio_encoder_negotiate(
14                self.as_ref().to_glib_none().0,
15            ));
16            if ret {
17                Ok(())
18            } else {
19                Err(gst::FlowError::NotNegotiated)
20            }
21        }
22    }
23
24    #[doc(alias = "gst_audio_encoder_set_output_format")]
25    fn set_output_format(&self, caps: &gst::Caps) -> Result<(), gst::FlowError> {
26        unsafe {
27            let ret = from_glib(ffi::gst_audio_encoder_set_output_format(
28                self.as_ref().to_glib_none().0,
29                caps.to_glib_none().0,
30            ));
31            if ret {
32                Ok(())
33            } else {
34                Err(gst::FlowError::NotNegotiated)
35            }
36        }
37    }
38
39    #[doc(alias = "get_allocator")]
40    #[doc(alias = "gst_audio_encoder_get_allocator")]
41    fn allocator(&self) -> (Option<gst::Allocator>, gst::AllocationParams) {
42        unsafe {
43            let mut allocator = ptr::null_mut();
44            let mut params = mem::MaybeUninit::uninit();
45            ffi::gst_audio_encoder_get_allocator(
46                self.as_ref().to_glib_none().0,
47                &mut allocator,
48                params.as_mut_ptr(),
49            );
50            (from_glib_full(allocator), params.assume_init().into())
51        }
52    }
53
54    #[doc(alias = "gst_audio_encoder_set_headers")]
55    fn set_headers(&self, headers: impl IntoIterator<Item = gst::Buffer>) {
56        unsafe {
57            ffi::gst_audio_encoder_set_headers(
58                self.as_ref().to_glib_none().0,
59                headers
60                    .into_iter()
61                    .collect::<glib::List<_>>()
62                    .into_glib_ptr(),
63            );
64        }
65    }
66
67    fn sink_pad(&self) -> &gst::Pad {
68        unsafe {
69            let elt = &*(self.as_ptr() as *const ffi::GstAudioEncoder);
70            &*(&elt.sinkpad as *const *mut gst::ffi::GstPad as *const gst::Pad)
71        }
72    }
73
74    fn src_pad(&self) -> &gst::Pad {
75        unsafe {
76            let elt = &*(self.as_ptr() as *const ffi::GstAudioEncoder);
77            &*(&elt.srcpad as *const *mut gst::ffi::GstPad as *const gst::Pad)
78        }
79    }
80
81    fn input_segment(&self) -> gst::Segment {
82        unsafe {
83            let ptr: &ffi::GstAudioDecoder = &*(self.as_ptr() as *const _);
84            glib::ffi::g_rec_mutex_lock(mut_override(&ptr.stream_lock));
85            let segment = ptr.input_segment;
86            glib::ffi::g_rec_mutex_unlock(mut_override(&ptr.stream_lock));
87            from_glib_none(&segment as *const gst::ffi::GstSegment)
88        }
89    }
90
91    fn output_segment(&self) -> gst::Segment {
92        unsafe {
93            let ptr: &ffi::GstAudioDecoder = &*(self.as_ptr() as *const _);
94            glib::ffi::g_rec_mutex_lock(mut_override(&ptr.stream_lock));
95            let segment = ptr.output_segment;
96            glib::ffi::g_rec_mutex_unlock(mut_override(&ptr.stream_lock));
97            from_glib_none(&segment as *const gst::ffi::GstSegment)
98        }
99    }
100}
101
102impl<O: IsA<AudioEncoder>> AudioEncoderExtManual for O {}
gstreamer_audio/audio_encoder.rs

gstreamer_audio/
audio_encoder.rs
