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2023-10-19 14:31:46 CST W42D4

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aggresss
2023-10-19 14:31:46 +08:00
parent 762aa14362
commit 0f95831c39
52 changed files with 9140 additions and 4324 deletions
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39
avcodec_avfft.go
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@@ -5,60 +5,64 @@ package ffmpeg
*/
import "C"
type FftSample C.FFTSample
// FFTSample
type FFTSample C.FFTSample
type FftComplex C.struct_FFTComplex
// FFTComplex
type FFTComplex C.struct_FFTComplex
type FftContext C.struct_FFTContext
// FFTContext
type FFTContext C.struct_FFTContext
// AvFftInit sets up a complex FFT.
func AvFftInit(nbits, inverse int32) *FftContext {
return (*FftContext)(C.av_fft_init((C.int)(nbits), (C.int)(inverse)))
func AvFftInit(nbits, inverse int32) *FFTContext {
return (*FFTContext)(C.av_fft_init((C.int)(nbits), (C.int)(inverse)))
}
// AvFftPermute does the permutation needed BEFORE calling FfFftCalc().
func AvFftPermute(s *FftContext, z *FftComplex) {
func AvFftPermute(s *FFTContext, z *FFTComplex) {
C.av_fft_permute((*C.struct_FFTContext)(s), (*C.struct_FFTComplex)(z))
}
// FfFftCalc does a complex FFT with the parameters defined in AvFftInit().
func FfFftCalc(s *FftContext, z *FftComplex) {
func FfFftCalc(s *FFTContext, z *FFTComplex) {
C.av_fft_calc((*C.struct_FFTContext)(s), (*C.struct_FFTComplex)(z))
}
// AvFftEnd
func AvFftEnd(s *FftContext) {
func AvFftEnd(s *FFTContext) {
C.av_fft_end((*C.struct_FFTContext)(s))
}
// AvMdctInit
func AvMdctInit(nbits, inverse int32, scale float64) *FftContext {
return (*FftContext)(C.av_mdct_init((C.int)(nbits), (C.int)(inverse), (C.double)(scale)))
func AvMdctInit(nbits, inverse int32, scale float64) *FFTContext {
return (*FFTContext)(C.av_mdct_init((C.int)(nbits), (C.int)(inverse), (C.double)(scale)))
}
// AvImdctCalc
func AvImdctCalc(s *FftContext, output, input *FftSample) {
func AvImdctCalc(s *FFTContext, output, input *FFTSample) {
C.av_imdct_calc((*C.struct_FFTContext)(s),
(*C.FFTSample)(output), (*C.FFTSample)(input))
}
// AvImdctHalf
func AvImdctHalf(s *FftContext, output, input *FftSample) {
func AvImdctHalf(s *FFTContext, output, input *FFTSample) {
C.av_imdct_half((*C.struct_FFTContext)(s),
(*C.FFTSample)(output), (*C.FFTSample)(input))
}
// AvMdctCalc
func AvMdctCalc(s *FftContext, output, input *FftSample) {
func AvMdctCalc(s *FFTContext, output, input *FFTSample) {
C.av_mdct_calc((*C.struct_FFTContext)(s),
(*C.FFTSample)(output), (*C.FFTSample)(input))
}
// AvMdctEnd
func AvMdctEnd(s *FftContext) {
func AvMdctEnd(s *FFTContext) {
C.av_mdct_end((*C.struct_FFTContext)(s))
}
// RDFTransformType
type RDFTransformType = C.enum_RDFTransformType
const (
@@ -68,6 +72,7 @@ const (
DFT_C2R = RDFTransformType(C.DFT_C2R)
)
// RDFTContext
type RDFTContext C.struct_RDFTContext
// AvRdftInit
@@ -77,7 +82,7 @@ func AvRdftInit(nbits int32, trans RDFTransformType) *RDFTContext {
}
// AvRdftCalc
func AvRdftCalc(r *RDFTContext, data *FftSample) {
func AvRdftCalc(r *RDFTContext, data *FFTSample) {
C.av_rdft_calc((*C.struct_RDFTContext)(r), (*C.FFTSample)(data))
}
@@ -86,8 +91,10 @@ func AvRdftEnd(r *RDFTContext) {
C.av_rdft_end((*C.struct_RDFTContext)(r))
}
// DCTContext
type DCTContext C.struct_DCTContext
// DCTTransformType
type DCTTransformType = C.enum_DCTTransformType
const (
@@ -104,7 +111,7 @@ func AvDctInit(nbits int32, _type RDFTransformType) *DCTContext {
}
// AvDctCalc
func AvDctCalc(d *DCTContext, data *FftSample) {
func AvDctCalc(d *DCTContext, data *FFTSample) {
C.av_dct_calc((*C.struct_DCTContext)(d), (*C.FFTSample)(data))
}