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
9mod sealed {
10    pub trait Sealed {}
11    impl<T: super::IsA<super::AudioEncoder>> Sealed for T {}
12}
13
14pub trait AudioEncoderExtManual: sealed::Sealed + IsA<AudioEncoder> + 'static {
15    #[doc(alias = "gst_audio_encoder_negotiate")]
16    fn negotiate(&self) -> Result<(), gst::FlowError> {
17        unsafe {
18            let ret = from_glib(ffi::gst_audio_encoder_negotiate(
19                self.as_ref().to_glib_none().0,
20            ));
21            if ret {
22                Ok(())
23            } else {
24                Err(gst::FlowError::NotNegotiated)
25            }
26        }
27    }
28
29    #[doc(alias = "gst_audio_encoder_set_output_format")]
30    fn set_output_format(&self, caps: &gst::Caps) -> Result<(), gst::FlowError> {
31        unsafe {
32            let ret = from_glib(ffi::gst_audio_encoder_set_output_format(
33                self.as_ref().to_glib_none().0,
34                caps.to_glib_none().0,
35            ));
36            if ret {
37                Ok(())
38            } else {
39                Err(gst::FlowError::NotNegotiated)
40            }
41        }
42    }
43
44    #[doc(alias = "get_allocator")]
45    #[doc(alias = "gst_audio_encoder_get_allocator")]
46    fn allocator(&self) -> (Option<gst::Allocator>, gst::AllocationParams) {
47        unsafe {
48            let mut allocator = ptr::null_mut();
49            let mut params = mem::MaybeUninit::uninit();
50            ffi::gst_audio_encoder_get_allocator(
51                self.as_ref().to_glib_none().0,
52                &mut allocator,
53                params.as_mut_ptr(),
54            );
55            (from_glib_full(allocator), params.assume_init().into())
56        }
57    }
58
59    #[doc(alias = "gst_audio_encoder_set_headers")]
60    fn set_headers(&self, headers: impl IntoIterator<Item = gst::Buffer>) {
61        unsafe {
62            ffi::gst_audio_encoder_set_headers(
63                self.as_ref().to_glib_none().0,
64                headers
65                    .into_iter()
66                    .collect::<glib::List<_>>()
67                    .into_glib_ptr(),
68            );
69        }
70    }
71
72    fn sink_pad(&self) -> &gst::Pad {
73        unsafe {
74            let elt = &*(self.as_ptr() as *const ffi::GstAudioEncoder);
75            &*(&elt.sinkpad as *const *mut gst::ffi::GstPad as *const gst::Pad)
76        }
77    }
78
79    fn src_pad(&self) -> &gst::Pad {
80        unsafe {
81            let elt = &*(self.as_ptr() as *const ffi::GstAudioEncoder);
82            &*(&elt.srcpad as *const *mut gst::ffi::GstPad as *const gst::Pad)
83        }
84    }
85
86    fn input_segment(&self) -> gst::Segment {
87        unsafe {
88            let ptr: &ffi::GstAudioDecoder = &*(self.as_ptr() as *const _);
89            glib::ffi::g_rec_mutex_lock(mut_override(&ptr.stream_lock));
90            let segment = ptr.input_segment;
91            glib::ffi::g_rec_mutex_unlock(mut_override(&ptr.stream_lock));
92            from_glib_none(&segment as *const gst::ffi::GstSegment)
93        }
94    }
95
96    fn output_segment(&self) -> gst::Segment {
97        unsafe {
98            let ptr: &ffi::GstAudioDecoder = &*(self.as_ptr() as *const _);
99            glib::ffi::g_rec_mutex_lock(mut_override(&ptr.stream_lock));
100            let segment = ptr.output_segment;
101            glib::ffi::g_rec_mutex_unlock(mut_override(&ptr.stream_lock));
102            from_glib_none(&segment as *const gst::ffi::GstSegment)
103        }
104    }
105}
106
107impl<O: IsA<AudioEncoder>> AudioEncoderExtManual for O {}
gstreamer_audio/audio_encoder.rs

gstreamer_audio/
audio_encoder.rs
