lib/ffmpeg/Buffer: add `noexcept`

src/lib/ffmpeg/Buffer.hxx

@@ -27,24 +27,24 @@ extern "C" {
 #include <cstddef>
 
 class FfmpegBuffer {
-	void *data;
-	unsigned size;
+	void *data = nullptr;
+	unsigned size = 0;
 
 public:
-	FfmpegBuffer():data(nullptr), size(0) {}
+	FfmpegBuffer() noexcept = default;
 
-	~FfmpegBuffer() {
+	~FfmpegBuffer() noexcept {
 		av_free(data);
 	}
 
 	gcc_malloc
-	void *Get(size_t min_size) {
+	void *Get(size_t min_size) noexcept {
 		av_fast_malloc(&data, &size, min_size);
 		return data;
 	}
 
 	template<typename T>
-	T *GetT(size_t n) {
+	T *GetT(size_t n) noexcept {
 		return (T *)Get(n * sizeof(T));
 	}
 };