viser_contextaware/
profile.rs

1use serde::{Deserialize, Serialize};
2use viser_ffmpeg::{
3    Codec, RES_360P, RES_480P, RES_720P, RES_1080P, RES_1440P, RES_2160P, Resolution,
4};
5use viser_ladder::Opts as LadderOpts;
6
7#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
8#[serde(rename_all = "snake_case")]
9pub enum DeviceClass {
10    Mobile,
11    Desktop,
12    Tv,
13    Tv4k,
14}
15
16/// Encoding constraints and quality targets for a device class.
17#[derive(Debug, Clone, Serialize, Deserialize)]
18pub struct Profile {
19    pub name: String,
20    pub device: DeviceClass,
21    pub description: String,
22    pub vmaf_model: String,
23    pub max_res: Resolution,
24    pub resolutions: Vec<Resolution>,
25    pub codecs: Vec<Codec>,
26    pub ladder_opts: LadderOpts,
27}
28
29pub fn mobile_profile() -> Profile {
30    Profile {
31        name: "Mobile".into(),
32        device: DeviceClass::Mobile,
33        description: "Smartphones and small tablets. Screen <7 inches.".into(),
34        vmaf_model: "vmaf_v0.6.1".into(),
35        max_res: RES_720P,
36        resolutions: vec![RES_360P, RES_480P, RES_720P],
37        codecs: vec![Codec::SvtAv1, Codec::X264],
38        ladder_opts: LadderOpts {
39            num_rungs: 4,
40            min_bitrate: 150.0,
41            max_bitrate: 3000.0,
42            min_vmaf: 50.0,
43            max_vmaf: 95.0,
44        },
45    }
46}
47
48pub fn desktop_profile() -> Profile {
49    Profile {
50        name: "Desktop".into(),
51        device: DeviceClass::Desktop,
52        description: "Laptops and desktop monitors. 13-27 inch screens.".into(),
53        vmaf_model: "vmaf_v0.6.1".into(),
54        max_res: RES_1080P,
55        resolutions: vec![RES_480P, RES_720P, RES_1080P],
56        codecs: vec![Codec::SvtAv1, Codec::X265, Codec::X264],
57        ladder_opts: LadderOpts::default(),
58    }
59}
60
61pub fn tv_profile() -> Profile {
62    Profile {
63        name: "TV (1080p)".into(),
64        device: DeviceClass::Tv,
65        description: "TVs and large displays. 40-65 inch screens.".into(),
66        vmaf_model: "vmaf_v0.6.1".into(),
67        max_res: RES_1080P,
68        resolutions: vec![RES_480P, RES_720P, RES_1080P],
69        codecs: vec![Codec::SvtAv1, Codec::X265, Codec::X264],
70        ladder_opts: LadderOpts {
71            num_rungs: 8,
72            min_bitrate: 200.0,
73            max_bitrate: 12000.0,
74            min_vmaf: 40.0,
75            max_vmaf: 97.0,
76        },
77    }
78}
79
80pub fn tv_4k_profile() -> Profile {
81    Profile {
82        name: "TV (4K)".into(),
83        device: DeviceClass::Tv4k,
84        description: "4K TVs. 55-85 inch screens.".into(),
85        vmaf_model: "vmaf_4k_v0.6.1".into(),
86        max_res: RES_2160P,
87        resolutions: vec![RES_720P, RES_1080P, RES_1440P, RES_2160P],
88        codecs: vec![Codec::SvtAv1, Codec::X265],
89        ladder_opts: LadderOpts {
90            num_rungs: 8,
91            min_bitrate: 1000.0,
92            max_bitrate: 25000.0,
93            min_vmaf: 40.0,
94            max_vmaf: 97.0,
95        },
96    }
97}
98
99pub fn all_profiles() -> Vec<Profile> {
100    vec![mobile_profile(), desktop_profile(), tv_profile(), tv_4k_profile()]
101}
viser_contextaware/profile.rs

viser_contextaware/
profile.rs
