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Tryanks
a541263dfd
* n7.1: Migrate deprecated methods, fields, and definitions * n7.1: Add new definitions * n7.1: Add new field * n7.1: Update doxygen url * n8.0: Clean up remaining n7.x deprecations * n8.0: Add new CodecIDs and fields * n8.0: Migration to n8.0 * n8.0: Refactor swscale with Publicly expose struct SwsContext, enum SwsDither, and enum SwsAlphaBlend n8.0: Stash commit * n8.0: Update doxygen url * n8.0: Fix windows.patch to apply new library.mak in n8.0 * n8.0: Clean up and organize the APIs, remove redundant implementations, and reorder the enum fields * n8.0: Refactor SoftwareScaleContext to simplify and optimize update logic and remove redundant code * Add tests for supported sample rates and frame rates in codec encoders * Revert changes in `Free` and `Class`, other minor improvements * Adapt the examples to the current library * Update breaking changes
42 lines
1.1 KiB
Go
42 lines
1.1 KiB
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://ffmpeg.org/doxygen/8.0/structAVFilterGraphSegment.html
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type FilterGraphSegment struct {
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c *C.AVFilterGraphSegment
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}
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func newFilterGraphSegmentFromC(c *C.AVFilterGraphSegment) *FilterGraphSegment {
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if c == nil {
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return nil
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}
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return &FilterGraphSegment{c: c}
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}
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// https://ffmpeg.org/doxygen/8.0/group__lavfi.html#ga51283edd8f3685e1f33239f360e14ae8
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func (fgs *FilterGraphSegment) Free() {
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if fgs.c != nil {
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C.avfilter_graph_segment_free(&fgs.c)
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}
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}
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// https://ffmpeg.org/doxygen/8.0/structAVFilterGraphSegment.html#ad5a2779af221d1520490fe2719f9e39a
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func (fgs *FilterGraphSegment) Chains() (cs []*FilterChain) {
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ccs := (*[(math.MaxInt32 - 1) / unsafe.Sizeof((*C.AVFilterChain)(nil))](*C.AVFilterChain))(unsafe.Pointer(fgs.c.chains))
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for i := 0; i < fgs.NbChains(); i++ {
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cs = append(cs, newFilterChainFromC(ccs[i]))
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}
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return
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}
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// https://ffmpeg.org/doxygen/8.0/structAVFilterGraphSegment.html#ab7563eca151d89e693f6258de5ce0214
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func (fgs *FilterGraphSegment) NbChains() int {
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return int(fgs.c.nb_chains)
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}
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