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Fix animation timing

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The timing of the final animation frame wasn't being recorded correctly.
This commit is contained in:
Rohan Singh 2020-02-24 15:48:51 -05:00
parent 1c4bc9fe39
commit 7430f2cbfa
1 changed files with 8 additions and 7 deletions
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7
webp/anim_encode.go
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@ -21,8 +21,8 @@ import "C"
import ( import (
"errors" "errors"
"fmt" "fmt"
"time"
"image" "image"
"time"
"unsafe" "unsafe"
) )
@ -82,7 +82,9 @@ func (ae *AnimationEncoder) AddFrame(img image.Image, duration time.Duration) er
return errors.New("unsupported image type") return errors.New("unsupported image type")
} }
timestamp := C.int((duration + ae.duration) / time.Millisecond) timestamp := C.int(ae.duration / time.Millisecond)
ae.duration += duration
if C.WebPAnimEncoderAdd(ae.c, pic, timestamp, nil) == 0 { if C.WebPAnimEncoderAdd(ae.c, pic, timestamp, nil) == 0 {
return fmt.Errorf( return fmt.Errorf(
"Encoding error: %d - %s", "Encoding error: %d - %s",
@ -91,7 +93,6 @@ func (ae *AnimationEncoder) AddFrame(img image.Image, duration time.Duration) er
) )
} }
ae.duration += duration
return nil return nil
} }