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filter: check for errors after decoding

This commit is contained in:
Scott 2020-01-24 16:10:08 +10:30
parent e0fa474906
commit b15b649151
1 changed files with 7 additions and 3 deletions
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10
filter/difference.go
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@ -74,12 +74,16 @@ func (d *Difference) Close() error {
// are written to the destination encoder, frames without are discarded.
func (d *Difference) Write(f []byte) (int, error) {
if d.prev.Empty() {
d.prev, _ = gocv.IMDecode(f, gocv.IMReadColor)
return 0, nil
var err error
d.prev, err = gocv.IMDecode(f, gocv.IMReadColor)
return 0, err
}
img, _ := gocv.IMDecode(f, gocv.IMReadColor)
img, err := gocv.IMDecode(f, gocv.IMReadColor)
defer img.Close()
if err != nil {
return 0, err
}
imgDelta := gocv.NewMat()
defer imgDelta.Close()