mirror of
https://github.com/asticode/go-astiav.git
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33 lines
691 B
Go
33 lines
691 B
Go
package astiav
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//#include <libavfilter/avfilter.h>
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import "C"
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import (
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"math"
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"unsafe"
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)
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// https://github.com/FFmpeg/FFmpeg/blob/n7.0/libavfilter/avfilter.h#L1142
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type FilterChain struct {
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c *C.AVFilterChain
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}
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func newFilterChainFromC(c *C.AVFilterChain) *FilterChain {
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if c == nil {
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return nil
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}
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return &FilterChain{c: c}
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}
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func (fc *FilterChain) Filters() (fs []*FilterParams) {
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fcs := (*[(math.MaxInt32 - 1) / unsafe.Sizeof((*C.AVFilterParams)(nil))](*C.AVFilterParams))(unsafe.Pointer(fc.c.filters))
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for i := 0; i < fc.NbFilters(); i++ {
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fs = append(fs, newFilterParamsFromC(fcs[i]))
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}
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return
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}
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func (fc *FilterChain) NbFilters() int {
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return int(fc.c.nb_filters)
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}
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