1 | use ffi::*; |
2 | use libc::c_ulonglong; |
3 | |
4 | bitflags! { |
5 | pub struct ChannelLayout: c_ulonglong { |
6 | const FRONT_LEFT = AV_CH_FRONT_LEFT; |
7 | const FRONT_RIGHT = AV_CH_FRONT_RIGHT; |
8 | const FRONT_CENTER = AV_CH_FRONT_CENTER; |
9 | const LOW_FREQUENCY = AV_CH_LOW_FREQUENCY; |
10 | const BACK_LEFT = AV_CH_BACK_LEFT; |
11 | const BACK_RIGHT = AV_CH_BACK_RIGHT; |
12 | const FRONT_LEFT_OF_CENTER = AV_CH_FRONT_LEFT_OF_CENTER; |
13 | const FRONT_RIGHT_OF_CENTER = AV_CH_FRONT_RIGHT_OF_CENTER; |
14 | const BACK_CENTER = AV_CH_BACK_CENTER; |
15 | const SIDE_LEFT = AV_CH_SIDE_LEFT; |
16 | const SIDE_RIGHT = AV_CH_SIDE_RIGHT; |
17 | const TOP_CENTER = AV_CH_TOP_CENTER; |
18 | const TOP_FRONT_LEFT = AV_CH_TOP_FRONT_LEFT; |
19 | const TOP_FRONT_CENTER = AV_CH_TOP_FRONT_CENTER; |
20 | const TOP_FRONT_RIGHT = AV_CH_TOP_FRONT_RIGHT; |
21 | const TOP_BACK_LEFT = AV_CH_TOP_BACK_LEFT; |
22 | const TOP_BACK_CENTER = AV_CH_TOP_BACK_CENTER; |
23 | const TOP_BACK_RIGHT = AV_CH_TOP_BACK_RIGHT; |
24 | const STEREO_LEFT = AV_CH_STEREO_LEFT; |
25 | const STEREO_RIGHT = AV_CH_STEREO_RIGHT; |
26 | const WIDE_LEFT = AV_CH_WIDE_LEFT; |
27 | const WIDE_RIGHT = AV_CH_WIDE_RIGHT; |
28 | const SURROUND_DIRECT_LEFT = AV_CH_SURROUND_DIRECT_LEFT; |
29 | const SURROUND_DIRECT_RIGHT = AV_CH_SURROUND_DIRECT_RIGHT; |
30 | const LOW_FREQUENCY_2 = AV_CH_LOW_FREQUENCY_2; |
31 | const NATIVE = AV_CH_LAYOUT_NATIVE; |
32 | |
33 | const MONO = AV_CH_LAYOUT_MONO; |
34 | const STEREO = AV_CH_LAYOUT_STEREO; |
35 | const _2POINT1 = AV_CH_LAYOUT_2POINT1; |
36 | const _2_1 = AV_CH_LAYOUT_2_1; |
37 | const SURROUND = AV_CH_LAYOUT_SURROUND; |
38 | const _3POINT1 = AV_CH_LAYOUT_3POINT1; |
39 | const _4POINT0 = AV_CH_LAYOUT_4POINT0; |
40 | const _4POINT1 = AV_CH_LAYOUT_4POINT1; |
41 | const _2_2 = AV_CH_LAYOUT_2_2; |
42 | const QUAD = AV_CH_LAYOUT_QUAD; |
43 | const _5POINT0 = AV_CH_LAYOUT_5POINT0; |
44 | const _5POINT1 = AV_CH_LAYOUT_5POINT1; |
45 | const _5POINT0_BACK = AV_CH_LAYOUT_5POINT0_BACK; |
46 | const _5POINT1_BACK = AV_CH_LAYOUT_5POINT1_BACK; |
47 | const _6POINT0 = AV_CH_LAYOUT_6POINT0; |
48 | const _6POINT0_FRONT = AV_CH_LAYOUT_6POINT0_FRONT; |
49 | const HEXAGONAL = AV_CH_LAYOUT_HEXAGONAL; |
50 | const _6POINT1 = AV_CH_LAYOUT_6POINT1; |
51 | const _6POINT1_BACK = AV_CH_LAYOUT_6POINT1_BACK; |
52 | const _6POINT1_FRONT = AV_CH_LAYOUT_6POINT1_FRONT; |
53 | const _7POINT0 = AV_CH_LAYOUT_7POINT0; |
54 | const _7POINT0_FRONT = AV_CH_LAYOUT_7POINT0_FRONT; |
55 | const _7POINT1 = AV_CH_LAYOUT_7POINT1; |
56 | const _7POINT1_WIDE = AV_CH_LAYOUT_7POINT1_WIDE; |
57 | const _7POINT1_WIDE_BACK = AV_CH_LAYOUT_7POINT1_WIDE_BACK; |
58 | const OCTAGONAL = AV_CH_LAYOUT_OCTAGONAL; |
59 | const HEXADECAGONAL = AV_CH_LAYOUT_HEXADECAGONAL; |
60 | const STEREO_DOWNMIX = AV_CH_LAYOUT_STEREO_DOWNMIX; |
61 | |
62 | #[cfg(feature = "ffmpeg_6_1" )] |
63 | const _3POINT1POINT2 = AV_CH_LAYOUT_3POINT1POINT2; |
64 | #[cfg(feature = "ffmpeg_6_1" )] |
65 | const _5POINT1POINT2_BACK = AV_CH_LAYOUT_5POINT1POINT2_BACK; |
66 | #[cfg(feature = "ffmpeg_6_1" )] |
67 | const _5POINT1POINT4_BACK = AV_CH_LAYOUT_5POINT1POINT4_BACK; |
68 | #[cfg(feature = "ffmpeg_6_1" )] |
69 | const _7POINT1POINT2 = AV_CH_LAYOUT_7POINT1POINT2; |
70 | #[cfg(feature = "ffmpeg_6_1" )] |
71 | const _7POINT1POINT4_BACK = AV_CH_LAYOUT_7POINT1POINT4_BACK; |
72 | } |
73 | } |
74 | |
75 | impl ChannelLayout { |
76 | #[inline ] |
77 | pub fn channels(&self) -> i32 { |
78 | unsafe { av_get_channel_layout_nb_channels(self.bits()) } |
79 | } |
80 | |
81 | pub fn default(number: i32) -> ChannelLayout { |
82 | unsafe { |
83 | ChannelLayout::from_bits_truncate(bits:av_get_default_channel_layout(number) as c_ulonglong) |
84 | } |
85 | } |
86 | } |
87 | |