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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
35 lines
861 B
Go
35 lines
861 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://ffmpeg.org/doxygen/8.0/structAVFilterChain.html
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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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// https://ffmpeg.org/doxygen/8.0/structAVFilterChain.html#aedebb337fac024e27b499fb3a0321f3e
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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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// https://ffmpeg.org/doxygen/8.0/structAVFilterChain.html#abacf5280bd6db0d37a304b0dd0b6c54d
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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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