do not mention Unref() in the docs where not applicable

gst/base/gst_base_sink.go

@@ -85,7 +85,7 @@ func (g *GstBaseSink) GetDropOutOfSegment() bool {
 // GetLastSample gets the last sample that arrived in the sink and was used for preroll or for rendering.
 // This property can be used to generate thumbnails.
 //
-// The GstCaps on the sample can be used to determine the type of the buffer. Unref after usage. Sample will
+// The GstCaps on the sample can be used to determine the type of the buffer. Sample will
 // be nil if no buffer has arrived yet.
 func (g *GstBaseSink) GetLastSample() *gst.Sample {
 	sample := C.gst_base_sink_get_last_sample(g.Instance())

gst/base/gst_base_src.go

@@ -32,7 +32,7 @@ func (g *GstBaseSrc) Instance() *C.GstBaseSrc {
 	return C.toGstBaseSrc(g.Unsafe())
 }
 
-// GetAllocator retrieves the memory allocator used by this base src. Unref after usage.
+// GetAllocator retrieves the memory allocator used by this base src.
 func (g *GstBaseSrc) GetAllocator() (*gst.Allocator, *gst.AllocationParams) {
 	var allocParams C.GstAllocationParams
 	var allocator *C.GstAllocator
@@ -46,7 +46,7 @@ func (g *GstBaseSrc) GetAllocator() (*gst.Allocator, *gst.AllocationParams) {
 // GetBlocksize returns the number of bytes that the source will push out with each buffer.
 func (g *GstBaseSrc) GetBlocksize() uint { return uint(C.gst_base_src_get_blocksize(g.Instance())) }
 
-// GetBufferPool returns the BufferPool used by this source. Unref after usage.
+// GetBufferPool returns the BufferPool used by this source.
 func (g *GstBaseSrc) GetBufferPool() *gst.BufferPool {
 	pool := C.gst_base_src_get_buffer_pool(g.Instance())
 	if pool == nil {

gst/base/gst_base_transform.go

@@ -52,7 +52,7 @@ func (g *GstBaseTransform) Instance() *C.GstBaseTransform {
 	return C.toGstBaseTransform(g.Unsafe())
 }
 
-// GetAllocator retrieves the memory allocator used by this base transform. Unref after usage.
+// GetAllocator retrieves the memory allocator used by this base transform.
 func (g *GstBaseTransform) GetAllocator() (*gst.Allocator, *gst.AllocationParams) {
 	var allocParams C.GstAllocationParams
 	var allocator *C.GstAllocator
@@ -63,7 +63,7 @@ func (g *GstBaseTransform) GetAllocator() (*gst.Allocator, *gst.AllocationParams
 	return gst.FromGstAllocatorUnsafeFull(unsafe.Pointer(allocator)), gst.FromGstAllocationParamsUnsafe(unsafe.Pointer(&allocParams))
 }
 
-// GetBufferPool returns the BufferPool used by this transform. Unref after usage.
+// GetBufferPool returns the BufferPool used by this transform.
 func (g *GstBaseTransform) GetBufferPool() *gst.BufferPool {
 	pool := C.gst_base_transform_get_buffer_pool(g.Instance())
 	if pool == nil {

gst/base/gst_type_find.go

@@ -14,7 +14,7 @@ import (
 )
 
 // TypeFindHelper tries to find what type of data is flowing from the given source GstPad.
-// Returns nil if no Caps matches the data stream. Unref after usage.
+// Returns nil if no Caps matches the data stream.
 func TypeFindHelper(pad *gst.Pad, size uint64) *gst.Caps {
 	caps := C.gst_type_find_helper((*C.GstPad)(unsafe.Pointer(pad.Instance())), C.guint64(size))
 	if caps == nil {
@@ -32,8 +32,7 @@ func TypeFindHelper(pad *gst.Pad, size uint64) *gst.Caps {
 // the caps with the highest probability will be returned, or nil if the content of the buffer could
 // not be identified.
 //
-// Object can either be nil or the object doing the typefinding (used for logging). Caps should be unrefed
-// after usage.
+// Object can either be nil or the object doing the typefinding (used for logging).
 func TypeFindHelperForBuffer(obj *gst.Object, buffer *gst.Buffer) (*gst.Caps, gst.TypeFindProbability) {
 	var prob C.GstTypeFindProbability
 	var cobj *C.GstObject
@@ -57,8 +56,6 @@ func TypeFindHelperForBuffer(obj *gst.Object, buffer *gst.Buffer) (*gst.Caps, gs
 //
 // When extension is not empty, this function will first try the typefind functions for the given extension,
 // which might speed up the typefinding in many cases.
-//
-// Unref caps after usage.
 func TypeFindHelperForBufferWithExtension(obj *gst.Object, buffer *gst.Buffer, extension string) (*gst.Caps, gst.TypeFindProbability) {
 	var prob C.GstTypeFindProbability
 	var cobj *C.GstObject
@@ -87,8 +84,7 @@ func TypeFindHelperForBufferWithExtension(obj *gst.Object, buffer *gst.Buffer, e
 // the caps with the highest probability will be returned, or nil if the content of the buffer could
 // not be identified.
 //
-// Object can either be nil or the object doing the typefinding (used for logging). Caps should be unrefed
-// after usage.
+// Object can either be nil or the object doing the typefinding (used for logging).
 func TypeFindHelperForData(obj *gst.Object, data []byte) (*gst.Caps, gst.TypeFindProbability) {
 	var prob C.GstTypeFindProbability
 	var cobj *C.GstObject
@@ -113,7 +109,7 @@ func TypeFindHelperForData(obj *gst.Object, data []byte) (*gst.Caps, gst.TypeFin
 // When extension is not empty, this function will first try the typefind functions for the given extension,
 // which might speed up the typefinding in many cases.
 //
-// Object can either be nil or the object doing the typefinding (used for logging). Unref caps after usage.
+// Object can either be nil or the object doing the typefinding (used for logging).
 func TypeFindHelperForDataWithExtension(obj *gst.Object, data []byte, extension string) (*gst.Caps, gst.TypeFindProbability) {
 	var prob C.GstTypeFindProbability
 	var cobj *C.GstObject
@@ -138,7 +134,7 @@ func TypeFindHelperForDataWithExtension(obj *gst.Object, data []byte, extension
 // All available typefinders will be checked against the extension in order of rank. The caps of the first typefinder
 // that can handle extension will be returned.
 //
-// Object can either be nil or the object doing the typefinding (used for logging). Unref caps after usage.
+// Object can either be nil or the object doing the typefinding (used for logging).
 func TypeFindHelperForExtension(obj *gst.Object, extension string) *gst.Caps {
 	var cobj *C.GstObject
 	if obj != nil {