Add some more #[must_use]

openh264/src/decoder.rs

@@ -92,6 +92,7 @@ unsafe impl Sync for DecoderRawAPI {}
 ///
 /// Setting missing? Please file a PR!
 #[derive(Default, Copy, Clone, Debug)]
+#[must_use]
 pub struct DecoderConfig {
     params: SDecodingParam,
     num_threads: DECODER_OPTION,

openh264/src/encoder.rs

@@ -166,6 +166,7 @@ impl Default for SpsPpsStrategy {
 ///
 /// Setting missing? Please file a PR!
 #[derive(Default, Copy, Clone, Debug)]
+#[must_use]
 pub struct EncoderConfig {
     enable_skip_frame: bool,
     target_bitrate: u32,

openh264/src/formats/mod.rs

@@ -7,29 +7,36 @@ pub use rgb2yuv::YUVBuffer;
 /// Allows the [Encoder](crate::encoder::Encoder) to be generic over a YUV source.
 pub trait YUVSource {
     /// Size of the image as `(w, h)`.
+    #[must_use]
     fn dimension(&self) -> (i32, i32);
 
     /// YUV strides as `(y, u, v)`.
     ///
     /// For now you should make sure `u == v`.
+    #[must_use]
     fn strides(&self) -> (i32, i32, i32);
 
     /// Y buffer, should be of size `dimension.1 * strides.0`.
+    #[must_use]
     fn y(&self) -> &[u8];
 
     /// U buffer, should be of size `dimension.1 * strides.1`.
+    #[must_use]
     fn u(&self) -> &[u8];
 
     /// V buffer, should be of size `dimension.1 * strides.2`.
+    #[must_use]
     fn v(&self) -> &[u8];
 
     /// Estimates how many bytes you'll need to store this YUV as RGB.
+    #[must_use]
     fn estimate_rgb_size(&self) -> usize {
         let (w, h) = self.dimension();
         w as usize * h as usize * 3
     }
 
     /// Estimates how many bytes you'll need to store this YUV as RGBA.
+    #[must_use]
     fn estimate_rgba_size(&self) -> usize {
         let (w, h) = self.dimension();
         w as usize * h as usize * 4