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| package goffmpeg
|
| /*
| #include <stdlib.h>
| #include "libcffmpeg.h"
| */
| import "C"
| import "unsafe"
|
| ///////////////for encoder
|
| // GoEncoder encoder
| type GoEncoder struct {
| enc C.cencoder
| }
|
| // NewEncoder encoder
| func NewEncoder(w, h, fps, br, sFlag, gi int) *GoEncoder {
| if w <= 0 || h <= 0 {
| return nil
| }
|
| return &GoEncoder{
| enc: C.wrap_fn_create_encoder(unsafe.Pointer(libcffmpeg), C.int(w), C.int(h), C.int(fps), C.int(br), C.int(DstFormat), C.int(sFlag), C.int(gi)),
| }
| }
|
| // NewEncoderWithPixFmt origin pix_fmt
| func NewEncoderWithPixFmt(w, h, fps, br, pixFmt, sFlag, gi int) *GoEncoder {
| if w <= 0 || h <= 0 {
| return nil
| }
|
| return &GoEncoder{
| enc: C.wrap_fn_create_encoder(unsafe.Pointer(libcffmpeg), C.int(w), C.int(h), C.int(fps), C.int(br), C.int(pixFmt), C.int(sFlag), C.int(gi)),
| }
| }
|
| // Free free
| func (e *GoEncoder) Free() {
| if e.enc != nil {
| C.wrap_fn_destroy_encoder(unsafe.Pointer(libcffmpeg), e.enc)
| }
| }
|
| // Encode pic
| func (e *GoEncoder) Encode(in []byte, w, h int) ([]byte, int, bool) {
|
| var size C.int
| var key C.int
|
| p := C.wrap_fn_encode(unsafe.Pointer(libcffmpeg), e.enc, unsafe.Pointer(&in[0]), C.int(w), C.int(h), &size, &key)
| defer C.free(p)
| if p != nil && size > 0 {
| b := C.GoBytes(p, size)
|
| isKey := false
| if key > 0 {
| isKey = true
| }
| return b, int(size), isKey
| }
| return nil, 0, false
| }
|
| // Encode2 pic
| func (e *GoEncoder) Encode2(in []byte, w, h int) (unsafe.Pointer, []byte, int, bool) {
|
| var size C.int
| var key C.int
|
| p := C.wrap_fn_encode(unsafe.Pointer(libcffmpeg), e.enc, unsafe.Pointer(&in[0]), C.int(w), C.int(h), &size, &key)
| if p != nil && size > 0 {
|
| isKey := false
| if key > 0 {
| isKey = true
| }
| const maxLen = 0x7fffffff
| length := int(size)
| data := (*[maxLen]byte)(unsafe.Pointer(p))[:length:length]
|
| return p, data, length, isKey
| }
| return nil, nil, 0, false
| }
|
|
