Fix clippy::ptr_offset_with_cast

src/format/chapter/chapter.rs

@@ -13,9 +13,7 @@ impl<'a> Chapter<'a> {
 	}
 
 	pub unsafe fn as_ptr(&self) -> *const AVChapter {
-		*(*self.context.as_ptr())
-			.chapters
-			.offset(self.index as isize)
+		*(*self.context.as_ptr()).chapters.add(self.index)
 	}
 }
 

src/format/chapter/chapter_mut.rs

@@ -23,9 +23,7 @@ impl<'a> ChapterMut<'a> {
 	}
 
 	pub unsafe fn as_mut_ptr(&mut self) -> *mut AVChapter {
-		*(*self.context.as_mut_ptr())
-			.chapters
-			.offset(self.index as isize)
+		*(*self.context.as_mut_ptr()).chapters.add(self.index)
 	}
 }
 

src/format/stream/stream.rs

@@ -20,7 +20,7 @@ impl<'a> Stream<'a> {
 	}
 
 	pub unsafe fn as_ptr(&self) -> *const AVStream {
-		*(*self.context.as_ptr()).streams.offset(self.index as isize)
+		*(*self.context.as_ptr()).streams.add(self.index)
 	}
 }
 

src/format/stream/stream_mut.rs

@@ -21,9 +21,7 @@ impl<'a> StreamMut<'a> {
 	}
 
 	pub unsafe fn as_mut_ptr(&mut self) -> *mut AVStream {
-		*(*self.context.as_mut_ptr())
-			.streams
-			.offset(self.index as isize)
+		*(*self.context.as_mut_ptr()).streams.add(self.index)
 	}
 }
 

src/util/format/sample.rs

@@ -1,12 +1,11 @@
 use std::{
 	ffi::{CStr, CString},
-	mem,
 	ops::Index,
 	ptr, slice,
 	str::from_utf8_unchecked,
 };
 
-use libc::c_int;
+use libc::{c_int, c_void};
 
 use crate::ffi::{AVSampleFormat::*, *};
 
@@ -190,7 +189,7 @@ impl Index<usize> for Buffer {
 			panic!("out of bounds");
 		}
 
-		unsafe { slice::from_raw_parts(*self.buffer.offset(index as isize), self.size as usize) }
+		unsafe { slice::from_raw_parts(*self.buffer.add(index), self.size as usize) }
 	}
 }
 
@@ -208,7 +207,7 @@ impl Clone for Buffer {
 		unsafe {
 			av_samples_copy(
 				self.buffer,
-				mem::transmute(source.buffer),
+				source.buffer as *const *mut u8,
 				0,
 				0,
 				source.samples as c_int,
@@ -223,7 +222,7 @@ impl Drop for Buffer {
 	#[inline]
 	fn drop(&mut self) {
 		unsafe {
-			av_freep(mem::transmute(self.buffer));
+			av_freep(self.buffer as *mut c_void);
 		}
 	}
 }

src/util/frame/audio.rs

@@ -149,7 +149,7 @@ impl Audio {
 			panic!("unsupported type");
 		}
 
-		unsafe { slice::from_raw_parts(mem::transmute((*self.as_ptr()).data[index]), self.samples()) }
+		unsafe { slice::from_raw_parts((*self.as_ptr()).data[index] as *const T, self.samples()) }
 	}
 
 	#[inline]
@@ -162,12 +162,7 @@ impl Audio {
 			panic!("unsupported type");
 		}
 
-		unsafe {
-			slice::from_raw_parts_mut(
-				mem::transmute((*self.as_mut_ptr()).data[index]),
-				self.samples(),
-			)
-		}
+		unsafe { slice::from_raw_parts_mut((*self.as_mut_ptr()).data[index] as *mut T, self.samples()) }
 	}
 
 	#[inline]

src/util/frame/video.rs

@@ -267,7 +267,7 @@ impl Video {
 
 		unsafe {
 			slice::from_raw_parts(
-				mem::transmute((*self.as_ptr()).data[index]),
+				(*self.as_ptr()).data[index] as *const T,
 				self.stride(index) * self.plane_height(index) as usize / mem::size_of::<T>(),
 			)
 		}
@@ -285,7 +285,7 @@ impl Video {
 
 		unsafe {
 			slice::from_raw_parts_mut(
-				mem::transmute((*self.as_mut_ptr()).data[index]),
+				(*self.as_mut_ptr()).data[index] as *mut T,
 				self.stride(index) * self.plane_height(index) as usize / mem::size_of::<T>(),
 			)
 		}