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Force keyframes during first 3 frames because user will see blanks til

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kf
This commit is contained in:
sergystepanov 2026-06-12 18:18:14 +03:00
parent db43b171e9
commit 6ed3a1b0d0
1 changed files with 3 additions and 7 deletions
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10
pkg/encoder/vpx/libvpx.go
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@ -239,20 +239,16 @@ func NewEncoder(w, h int, th int, kfi int, version int, opts *Options) (*Vpx, er
// Encode encodes yuv image with the VPX8 encoder.
// see: https://chromium.googlesource.com/webm/libvpx/+/master/examples/simple_encoder.c
func (vpx *Vpx) Encode(yuv []byte) []byte {
C.vpx_img_read(&vpx.image, unsafe.Pointer(unsafe.SliceData(yuv)))
C.vpx_img_read(&vpx.image, unsafe.Pointer(&yuv[0]))
if vpx.flipped {
C.vpx_img_flip(&vpx.image)
}
var flags C.int
if vpx.kfi > 0 && vpx.frameCount%vpx.kfi == 0 {
if vpx.frameCount < 3 || (vpx.kfi > 0 && vpx.frameCount%vpx.kfi == 0) {
flags |= C.VPX_EFLAG_FORCE_KF
}
// VPX_DL_REALTIME: deadline is 1 (return as fast as possible, may drop frames).
if C.vpx_codec_encode(&vpx.codecCtx, &vpx.image, C.vpx_codec_pts_t(vpx.frameCount), 1, C.vpx_enc_frame_flags_t(flags), C.VPX_DL_REALTIME) != 0 {
vpx.frameCount++
return nil
}
C.vpx_codec_encode(&vpx.codecCtx, &vpx.image, C.vpx_codec_pts_t(vpx.frameCount), 1, C.vpx_enc_frame_flags_t(flags), C.VPX_DL_REALTIME)
vpx.frameCount++
var iter C.vpx_codec_iter_t