whisper-api-server/pkg/whisper/TranscribeResult.go

179 lines
3.5 KiB
Go

package whisper
import (
"C"
"errors"
"fmt"
"syscall"
"unsafe"
"golang.org/x/sys/windows"
)
type eTokenFlags uint32
const (
TfNone eTokenFlags = 0
TfSpecial = 1
)
type sTranscribeLength struct {
CountSegments uint32
CountTokens uint32
}
type sTimeSpan struct {
// The value is expressed in 100-nanoseconds ticks: compatible with System.Timespan, FILETIME, and many other things
Ticks uint64
/*
operator sTimeSpanFields() const
{
return sTimeSpanFields{ ticks };
}
void operator=( uint64_t tt )
{
ticks = tt;
}
void operator=( int64_t tt )
{
assert( tt >= 0 );
ticks = (uint64_t)tt;
} */
}
type sTimeInterval struct {
Begin sTimeSpan
End sTimeSpan
}
type sSegment struct {
// Segment text, null-terminated, and probably UTF-8 encoded
text *C.char
// Start and end times of the segment
Time sTimeInterval
// These two integers define the slice of the tokens in this segment, in the array returned by iTranscribeResult.getTokens method
FirstToken uint32
CountTokens uint32
}
func (this *sSegment) Text() string {
return C.GoString(this.text)
}
type sSegmentArray []sSegment
type SToken struct {
// Token text, null-terminated, and usually UTF-8 encoded.
// I think for Chinese language the models sometimes outputs invalid UTF8 strings here, Unicode code points can be split between adjacent tokens in the same segment
// More info: https://github.com/ggerganov/whisper.cpp/issues/399
text *C.char
// Start and end times of the token
Time sTimeInterval
// Probability of the token
Probability float32
// Probability of the timestamp token
ProbabilityTimestamp float32
// Sum of probabilities of all timestamp tokens
Ptsum float32
// Voice length of the token
Vlen float32
// Token id
Id int32
Flags eTokenFlags
}
func (this *SToken) Text() string {
return C.GoString(this.text)
}
type sTokenArray []SToken
type iTranscribeResultVtbl struct {
QueryInterface uintptr
AddRef uintptr
Release uintptr
getSize uintptr // ( sTranscribeLength& rdi ) HRESULT
getSegments uintptr // () getTokens
getTokens uintptr // () getToken*
}
type ITranscribeResult struct {
lpVtbl *iTranscribeResultVtbl
}
func (this *ITranscribeResult) AddRef() int32 {
ret, _, _ := syscall.Syscall(
this.lpVtbl.AddRef,
1,
uintptr(unsafe.Pointer(this)),
0,
0)
return int32(ret)
}
func (this *ITranscribeResult) Release() int32 {
ret, _, _ := syscall.Syscall(
this.lpVtbl.Release,
1,
uintptr(unsafe.Pointer(this)),
0,
0)
return int32(ret)
}
func (this *ITranscribeResult) GetSize() (*sTranscribeLength, error) {
var result sTranscribeLength
ret, _, _ := syscall.SyscallN(
this.lpVtbl.getSize,
uintptr(unsafe.Pointer(this)),
uintptr(unsafe.Pointer(&result)),
)
if windows.Handle(ret) != windows.S_OK {
fmt.Printf("iTranscribeResult.GetSize failed: %s\n", syscall.Errno(ret).Error())
return nil, errors.New(syscall.Errno(ret).Error())
}
return &result, nil
}
func (this *ITranscribeResult) GetSegments(len uint32) []sSegment {
ret, _, _ := syscall.SyscallN(
this.lpVtbl.getSegments,
uintptr(unsafe.Pointer(this)),
)
data := unsafe.Slice((*sSegment)(unsafe.Pointer(ret)), len)
return data
}
func (this *ITranscribeResult) GetTokens(len uint32) []SToken {
ret, _, _ := syscall.SyscallN(
this.lpVtbl.getTokens,
uintptr(unsafe.Pointer(this)),
)
if unsafe.Pointer(ret) != nil {
return unsafe.Slice((*SToken)(unsafe.Pointer(ret)), len)
} else {
return []SToken{}
}
}