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51 lines
2.4 KiB
Go
51 lines
2.4 KiB
Go
// Use of this source code is governed by a MIT license that can be found in the LICENSE file.
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// Giorgis (habtom@giorgis.io)
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package avcodec
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//#cgo pkg-config: libavcodec
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//#include <libavcodec/avcodec.h>
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import "C"
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import (
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"unsafe"
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)
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// AvpictureFill - Setup the picture fields based on the specified image parameters and the provided image data buffer.
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func (p *Picture) AvpictureFill(pt *uint8, pf PixelFormat, w, h int) int {
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return int(C.avpicture_fill((*C.struct_AVPicture)(p), (*C.uint8_t)(pt), (C.enum_AVPixelFormat)(pf), C.int(w), C.int(h)))
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}
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// AvpictureLayout copies pixel data from an Picture into a buffer.
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func (p *Picture) AvpictureLayout(pf PixelFormat, w, h int, d *string, ds int) int {
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return int(C.avpicture_layout((*C.struct_AVPicture)(p), (C.enum_AVPixelFormat)(pf), C.int(w), C.int(h), (*C.uchar)(unsafe.Pointer(d)), C.int(ds)))
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}
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// AvPictureCopy -Copy image src to dst.
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func (p *Picture) AvPictureCopy(d *Picture, pf PixelFormat, w, h int) {
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C.av_picture_copy((*C.struct_AVPicture)(d), (*C.struct_AVPicture)(p), (C.enum_AVPixelFormat)(pf), C.int(w), C.int(h))
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}
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// AvPictureCrop - Crop image top and left side.
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func (p *Picture) AvPictureCrop(d *Picture, pf PixelFormat, t, l int) int {
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return int(C.av_picture_crop((*C.struct_AVPicture)(d), (*C.struct_AVPicture)(p), (C.enum_AVPixelFormat)(pf), C.int(t), C.int(l)))
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}
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// AvPicturePad - Pad image.
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func (p *Picture) AvPicturePad(d *Picture, h, w int, pf PixelFormat, t, b, l, r int, c *int) int {
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return int(C.av_picture_pad((*C.struct_AVPicture)(d), (*C.struct_AVPicture)(p), (C.int)(h), (C.int)(w), (C.enum_AVPixelFormat)(pf), (C.int)(t), (C.int)(b), (C.int)(l), (C.int)(r), (*C.int)(unsafe.Pointer(c))))
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}
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// AvpictureAlloc - Free a picture previously allocated by avpicture_alloc(). Allocate memory for the pixels of a picture and setup the Picture fields for it.
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func (p *Picture) AvpictureAlloc(t PixelFormat, w, h int) int {
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return int(C.avpicture_alloc((*C.struct_AVPicture)(p), (C.enum_AVPixelFormat)(t), C.int(w), C.int(h)))
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}
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// AvpictureFree - Free
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func (p *Picture) AvpictureFree() {
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C.avpicture_free((*C.struct_AVPicture)(p))
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}
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// AvpictureGetSize - Calculate the size in bytes that a picture of the given width and height would occupy if stored in the given picture format.
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func AvpictureGetSize(pf PixelFormat, w, h int) int {
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return int(C.avpicture_get_size((C.enum_AVPixelFormat)(pf), C.int(w), C.int(h)))
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}
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