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https://github.com/asticode/go-astiav.git
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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
71 lines
2.1 KiB
Go
71 lines
2.1 KiB
Go
package astiav
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//#include <libavutil/hwcontext.h>
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import "C"
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import "unsafe"
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// https://ffmpeg.org/doxygen/8.0/structAVHWFramesConstraints.html
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type HardwareFramesConstraints struct {
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c *C.AVHWFramesConstraints
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}
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func newHardwareFramesConstraintsFromC(c *C.AVHWFramesConstraints) *HardwareFramesConstraints {
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if c == nil {
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return nil
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}
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return &HardwareFramesConstraints{c: c}
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}
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func (hfc *HardwareFramesConstraints) pixelFormats(formats *C.enum_AVPixelFormat) (o []PixelFormat) {
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if formats == nil {
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return nil
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}
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size := unsafe.Sizeof(*formats)
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for i := 0; ; i++ {
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p := *(*C.int)(unsafe.Pointer(uintptr(unsafe.Pointer(formats)) + uintptr(i)*size))
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if p == C.AV_PIX_FMT_NONE {
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break
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}
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o = append(o, PixelFormat(p))
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}
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return
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}
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// https://ffmpeg.org/doxygen/8.0/structAVHWFramesConstraints.html#a4258bbe81f927b76b7ca5af44ba7ef6b
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func (hfc *HardwareFramesConstraints) ValidHardwarePixelFormats() (o []PixelFormat) {
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return hfc.pixelFormats(hfc.c.valid_hw_formats)
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}
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// https://ffmpeg.org/doxygen/8.0/structAVHWFramesConstraints.html#aabea88093c6f85d6185ffb0852a2217f
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func (hfc *HardwareFramesConstraints) ValidSoftwarePixelFormats() (o []PixelFormat) {
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return hfc.pixelFormats(hfc.c.valid_sw_formats)
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}
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// https://ffmpeg.org/doxygen/8.0/structAVHWFramesConstraints.html#af220776925452091085139081d5d7251
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func (hfc *HardwareFramesConstraints) MinWidth() int {
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return int(hfc.c.min_width)
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}
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// https://ffmpeg.org/doxygen/8.0/structAVHWFramesConstraints.html#a3f1aec6d1c90f77837875c2a3598be46
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func (hfc *HardwareFramesConstraints) MinHeight() int {
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return int(hfc.c.min_height)
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}
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// https://ffmpeg.org/doxygen/8.0/structAVHWFramesConstraints.html#a34e06e3397af2b83de9d78f893bf4168
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func (hfc *HardwareFramesConstraints) MaxWidth() int {
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return int(hfc.c.max_width)
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}
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// https://ffmpeg.org/doxygen/8.0/structAVHWFramesConstraints.html#af5d3a683727f7b92abca7b7114d4e15c
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func (hfc *HardwareFramesConstraints) MaxHeight() int {
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return int(hfc.c.max_height)
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}
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// https://ffmpeg.org/doxygen/8.0/hwcontext_8c.html#a29da7fa7ffa73266d1cbfccb116ed634
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func (hfc *HardwareFramesConstraints) Free() {
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if hfc.c != nil {
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C.av_hwframe_constraints_free(&hfc.c)
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hfc.c = nil
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}
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}
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