CEF/imagorvideoextended
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages 1 Wiki Activity Actions

feat(ffmpeg): select frame by duration and float position

Browse source
This commit is contained in:
Adrian Shum 2022-10-22 09:53:42 +08:00
parent 3b02ab7458
commit fe92e79efc
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
ffmpeg/ffmpeg.go
View file

@ -106,6 +106,7 @@ func (av *AVContext) SelectPosition(f float64) (err error) {
func (av *AVContext) SelectDuration(ts time.Duration) (err error) { func (av *AVContext) SelectDuration(ts time.Duration) (err error) {
if ts > 0 { if ts > 0 {
av.selectedDuration = ts
if err = seekDuration(av, ts); err != nil { if err = seekDuration(av, ts); err != nil {
return return
} }
@ -227,7 +228,6 @@ func createDecoder(av *AVContext) error {
} }
func seekDuration(av *AVContext, ts time.Duration) error { func seekDuration(av *AVContext, ts time.Duration) error {
av.selectedDuration = ts
tts := C.int64_t(ts.Milliseconds()) * C.AV_TIME_BASE / 1000 tts := C.int64_t(ts.Milliseconds()) * C.AV_TIME_BASE / 1000
err := C.av_seek_frame(av.formatContext, C.int(-1), tts, C.AVSEEK_FLAG_BACKWARD) err := C.av_seek_frame(av.formatContext, C.int(-1), tts, C.AVSEEK_FLAG_BACKWARD)
C.avcodec_flush_buffers(av.codecContext) C.avcodec_flush_buffers(av.codecContext)