consider update selection API

Cargo.toml

@@ -35,7 +35,7 @@ output-wgpu = ["wgpu", "nokhwa-core/wgpu-types"]
 output-threaded = []
 small-wasm = []
 docs-only = ["input-native", "input-opencv", "input-jscam","output-wgpu", "output-threaded", "serialize"]
-docs-nolink = ["opencv/docs-only", "nokhwa-core/docs-features"]
+docs-nolink = ["nokhwa-core/docs-features"]
 docs-features = []
 test-fail-warning = []
 
@@ -68,11 +68,11 @@ version = "0.2"
 optional = true
 
 [dependencies.wgpu]
-version = "0.14"
+version = "0.15"
 optional = true
 
 [dependencies.opencv]
-version = "0.74"
+version = "0.76"
 default-features = false
 features = ["videoio"]
 optional = true
@@ -82,17 +82,17 @@ version = "0.8"
 optional = true
 
 [dependencies.nokhwa-bindings-windows]
-version = "0.4.0"
+version = "0.4"
 path = "nokhwa-bindings-windows"
 optional = true
 
 [dependencies.nokhwa-bindings-macos]
-version = "0.2.0"
+version = "0.2"
 path = "nokhwa-bindings-macos"
 optional = true
 
 [dependencies.nokhwa-bindings-linux]
-version = "0.1.0"
+version = "0.1"
 path = "nokhwa-bindings-linux"
 optional = true
 

nokhwa-core/src/format_filter.rs

@@ -0,0 +1,25 @@
+use crate::frame_format::FrameFormat;
+use crate::types::{CameraFormat, Resolution};
+use std::collections::HashMap;
+
+
+/// Tells the init function what camera format to pick.
+/// - `AbsoluteHighestResolution`: Pick the highest [`Resolution`], then pick the highest frame rate of those provided.
+/// - `AbsoluteHighestFrameRate`: Pick the highest frame rate, then the highest [`Resolution`].
+/// - `HighestResolution(Resolution)`: Pick the highest [`Resolution`] for the given framerate (the `Option<u32>`).
+/// - `HighestFrameRate(u32)`: Pick the highest frame rate for the given [`Resolution`] (the `Option<Resolution>`).
+/// - `None`: Pick a random [`CameraFormat`]
+#[derive(Copy, Clone, Debug, Hash, Ord, PartialOrd, Eq, PartialEq)]
+#[cfg_attr(feature = "serialize", derive(serde::Serialize, serde::Deserialize))]
+pub enum RequestedFormatType {
+    AbsoluteHighestResolution,
+    AbsoluteHighestFrameRate,
+    HighestResolution(Resolution),
+    HighestFrameRate(u32),
+    None,
+}
+
+
+pub struct FormatFilter {
+    filter_pref:
+}

nokhwa-core/src/lib.rs

@@ -21,6 +21,7 @@
 //! Core type definitions for `nokhwa`
 pub mod buffer;
 pub mod error;
+pub mod format_filter;
 pub mod frame_format;
 pub mod pixel_format;
 pub mod traits;

nokhwa-core/src/pixel_format.rs

@@ -14,14 +14,8 @@
  * limitations under the License.
  */
 use crate::buffer::Buffer;
-use crate::error::NokhwaError;
 use crate::frame_format::FrameFormat;
-use crate::types::{
-    buf_mjpeg_to_rgb, buf_nv12_to_rgb, buf_yuyv422_to_rgb, mjpeg_to_rgb, nv12_to_rgb,
-    yuyv422_to_rgb, Resolution,
-};
-use image::{ImageBuffer, Luma, LumaA, Pixel, Primitive, Rgb, Rgba};
-use std::fmt::Debug;
+use image::{ImageBuffer, Luma, LumaA, Primitive, Rgb, Rgba};
 use std::ops::Deref;
 
 pub trait FormatDecoders: Send + Sync {

nokhwa-core/src/types.rs

@@ -9,26 +9,6 @@ use std::{
     str::FromStr,
 };
 
-/// Tells the init function what camera format to pick.
-/// - `AbsoluteHighestResolution`: Pick the highest [`Resolution`], then pick the highest frame rate of those provided.
-/// - `AbsoluteHighestFrameRate`: Pick the highest frame rate, then the highest [`Resolution`].
-/// - `HighestResolution(Resolution)`: Pick the highest [`Resolution`] for the given framerate (the `Option<u32>`).
-/// - `HighestFrameRate(u32)`: Pick the highest frame rate for the given [`Resolution`] (the `Option<Resolution>`).
-/// - `Exact`: Pick the exact [`CameraFormat`] provided.
-/// - `Closest`: Pick the closest [`CameraFormat`] provided in order of [`FrameFormat`], [`Resolution`], and FPS.
-/// - `None`: Pick a random [`CameraFormat`]
-#[derive(Copy, Clone, Debug, Hash, Ord, PartialOrd, Eq, PartialEq)]
-#[cfg_attr(feature = "serialize", derive(Serialize, Deserialize))]
-pub enum RequestedFormatType {
-    AbsoluteHighestResolution,
-    AbsoluteHighestFrameRate,
-    HighestResolution(Resolution),
-    HighestFrameRate(u32),
-    Exact(CameraFormat),
-    Closest(CameraFormat),
-    None,
-}
-
 impl Default for RequestedFormatType {
     fn default() -> Self {
         RequestedFormatType::None