ffmpeg_the_third/codec/decoder/
audio.rs

1use std::ops::{Deref, DerefMut};
2
3use super::Opened;
4use crate::codec::Context;
5use crate::util::format;
6use crate::AudioService;
7
8use crate::ChannelLayout;
9
10#[cfg(not(feature = "ffmpeg_7_0"))]
11use crate::ChannelLayoutMask;
12
13pub struct Audio(pub Opened);
14
15impl Audio {
16    pub fn rate(&self) -> u32 {
17        unsafe { (*self.as_ptr()).sample_rate as u32 }
18    }
19
20    #[cfg(not(feature = "ffmpeg_7_0"))]
21    pub fn channels(&self) -> u16 {
22        unsafe { (*self.as_ptr()).channels as u16 }
23    }
24
25    pub fn format(&self) -> format::Sample {
26        unsafe { format::Sample::from((*self.as_ptr()).sample_fmt) }
27    }
28
29    pub fn request_format(&mut self, value: format::Sample) {
30        unsafe {
31            (*self.as_mut_ptr()).request_sample_fmt = value.into();
32        }
33    }
34
35    #[cfg(not(feature = "ffmpeg_7_0"))]
36    pub fn frames(&self) -> usize {
37        unsafe { (*self.as_ptr()).frame_number as usize }
38    }
39
40    pub fn align(&self) -> usize {
41        unsafe { (*self.as_ptr()).block_align as usize }
42    }
43
44    #[cfg(not(feature = "ffmpeg_7_0"))]
45    pub fn channel_layout(&self) -> ChannelLayoutMask {
46        unsafe { ChannelLayoutMask::from_bits_truncate((*self.as_ptr()).channel_layout) }
47    }
48
49    #[cfg(not(feature = "ffmpeg_7_0"))]
50    pub fn set_channel_layout(&mut self, value: ChannelLayoutMask) {
51        unsafe {
52            (*self.as_mut_ptr()).channel_layout = value.bits();
53        }
54    }
55
56    #[cfg(not(feature = "ffmpeg_7_0"))]
57    pub fn request_channel_layout(&mut self, value: ChannelLayoutMask) {
58        unsafe {
59            (*self.as_mut_ptr()).request_channel_layout = value.bits();
60        }
61    }
62
63    pub fn ch_layout(&self) -> ChannelLayout<'_> {
64        unsafe { ChannelLayout::from(&self.as_ptr().as_ref().unwrap().ch_layout) }
65    }
66
67    pub fn set_ch_layout(&mut self, value: ChannelLayout) {
68        unsafe {
69            self.as_mut_ptr().as_mut().unwrap().ch_layout = value.into_owned();
70        }
71    }
72
73    pub fn audio_service(&mut self) -> AudioService {
74        unsafe { AudioService::from((*self.as_mut_ptr()).audio_service_type) }
75    }
76
77    pub fn max_bit_rate(&self) -> usize {
78        unsafe { (*self.as_ptr()).rc_max_rate as usize }
79    }
80
81    pub fn frame_size(&self) -> u32 {
82        unsafe { (*self.as_ptr()).frame_size as u32 }
83    }
84}
85
86impl Deref for Audio {
87    type Target = Opened;
88
89    fn deref(&self) -> &<Self as Deref>::Target {
90        &self.0
91    }
92}
93
94impl DerefMut for Audio {
95    fn deref_mut(&mut self) -> &mut <Self as Deref>::Target {
96        &mut self.0
97    }
98}
99
100impl AsRef<Context> for Audio {
101    fn as_ref(&self) -> &Context {
102        self
103    }
104}
105
106impl AsMut<Context> for Audio {
107    fn as_mut(&mut self) -> &mut Context {
108        &mut self.0
109    }
110}
ffmpeg_the_third/codec/decoder/audio.rs

ffmpeg_the_third/codec/decoder/
audio.rs
