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major rework of reference handling

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This commit is contained in:
Avi Zimmerman
2021-01-19 00:18:30 +02:00
parent 63a53be42a
commit 1f7d60b390
79 changed files with 1239 additions and 800 deletions
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34
gst/gst_sample.go
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@@ -3,16 +3,32 @@ package gst
// #include "gst.go.h"
import "C"
import "unsafe"
import (
"runtime"
"unsafe"
)
// Sample is a go wrapper around a GstSample object.
type Sample struct {
sample *C.GstSample
}
// FromGstSampleUnsafe wraps the pointer to the given C GstSample with the go type.
// FromGstSampleUnsafeNone wraps the pointer to the given C GstSample with the go type.
// This is meant for internal usage and is exported for visibility to other packages.
func FromGstSampleUnsafe(sample unsafe.Pointer) *Sample { return wrapSample(C.toGstSample(sample)) }
func FromGstSampleUnsafeNone(sample unsafe.Pointer) *Sample {
s := wrapSample(C.toGstSample(sample))
s.Ref()
runtime.SetFinalizer(s, (*Sample).Unref)
return s
}
// FromGstSampleUnsafeFull wraps the pointer to the given C GstSample with the go type.
// This is meant for internal usage and is exported for visibility to other packages.
func FromGstSampleUnsafeFull(sample unsafe.Pointer) *Sample {
s := wrapSample(C.toGstSample(sample))
runtime.SetFinalizer(s, (*Sample).Unref)
return s
}
// Instance returns the underlying *GstSample instance.
func (s *Sample) Instance() *C.GstSample { return C.toGstSample(unsafe.Pointer(s.sample)) }
@@ -24,21 +40,25 @@ func (s *Sample) Ref() *Sample {
// Copy creates a copy of the given sample. This will also make a newly allocated copy of the data
// the source sample contains.
func (s *Sample) Copy() *Sample { return wrapSample(C.gst_sample_copy(s.Instance())) }
func (s *Sample) Copy() *Sample {
return FromGstSampleUnsafeFull(unsafe.Pointer(C.gst_sample_copy(s.Instance())))
}
// GetBuffer returns the buffer inside this sample.
func (s *Sample) GetBuffer() *Buffer {
return wrapBuffer(C.gst_sample_get_buffer((*C.GstSample)(s.Instance())))
return FromGstBufferUnsafeNone(unsafe.Pointer(C.gst_sample_get_buffer((*C.GstSample)(s.Instance()))))
}
// GetBufferList gets the buffer list associated with this sample.
func (s *Sample) GetBufferList() *BufferList {
return wrapBufferList(C.gst_sample_get_buffer_list(s.Instance()))
return FromGstBufferListUnsafeNone(unsafe.Pointer(C.gst_sample_get_buffer_list(s.Instance())))
}
// GetCaps returns the caps associated with this sample. Take a ref if you need to hold on to them
// longer then the life of the sample.
func (s *Sample) GetCaps() *Caps { return wrapCaps(C.gst_sample_get_caps(s.Instance())) }
func (s *Sample) GetCaps() *Caps {
return FromGstCapsUnsafeNone(unsafe.Pointer(C.gst_sample_get_caps(s.Instance())))
}
// GetInfo gets extra information about this sample. The structure remains valid as long as sample is valid.
func (s *Sample) GetInfo() *Structure { return wrapStructure(C.gst_sample_get_info(s.Instance())) }