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40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
package audio
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/*
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#include "gst.go.h"
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*/
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import "C"
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import (
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"unsafe"
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"github.com/tinyzimmer/go-glib/glib"
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"github.com/go-gst/go-gst/gst"
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)
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// AudioMeta is a Go representation of a GstAudioMeta.
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type AudioMeta struct{ *Object }
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// FromGstAudioMetaUnsafeNone wraps the given audioMeta with a ref and finalizer.
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func FromGstAudioMetaUnsafeNone(audioMeta unsafe.Pointer) *AudioMeta {
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return &AudioMeta{wrapObject(glib.TransferNone(audioMeta))}
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}
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func BufferAddAudioMeta(buffer *gst.Buffer, info *Info, samples int, offsets []int) *AudioMeta {
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// offsets is not yet implemented, always pass `nil` or this will panic
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if offsets != nil {
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panic("offsets is not implemented")
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}
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// gSizeOffsets := C.gsize(unsafe.Sizeof(unsafe.Pointer(offsets)))
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// if you pass in NULL as the last param then gstreamer assumes things are tightly packed...
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// so that's what we currently assume until we inplement offsets
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return FromGstAudioMetaUnsafeNone(unsafe.Pointer(C.gst_buffer_add_audio_meta(
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(*C.GstBuffer)(unsafe.Pointer(buffer.Instance())),
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info.ptr,
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C.gsize(samples),
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offsets,
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))))
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}
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