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Merged in MOG-err-imgdecode (pull request #319) 

filter/mog.go: handles error from IMGDecode

Approved-by: Saxon Milton <saxon.milton@gmail.com>
This commit is contained in:
Scott Barnard 2020-01-02 03:30:21 +00:00 committed by Saxon Milton
parent 0fe0579ba8 3e19fb7cd6
commit 474b58d616
1 changed files with 6 additions and 2 deletions
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8
filter/mog.go
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@ -29,6 +29,7 @@ LICENSE
package filter package filter
import ( import (
"fmt"
"image" "image"
"image/color" "image/color"
"io" "io"
@ -74,7 +75,10 @@ func (m *MOGFilter) Close() error {
// Write applies the motion filter to the video stream. Only frames with motion // Write applies the motion filter to the video stream. Only frames with motion
// are written to the destination encoder, frames without are discarded. // are written to the destination encoder, frames without are discarded.
func (m *MOGFilter) Write(f []byte) (int, error) { func (m *MOGFilter) Write(f []byte) (int, error) {
img, _ := gocv.IMDecode(f, gocv.IMReadColor) img, err := gocv.IMDecode(f, gocv.IMReadColor)
if err != nil {
return 0, fmt.Errorf("image can't be decoded: %w", err)
}
defer img.Close() defer img.Close()
imgDelta := gocv.NewMat() imgDelta := gocv.NewMat()
@ -121,7 +125,7 @@ func (m *MOGFilter) Write(f []byte) (int, error) {
// Don't write to destination if there is no motion. // Don't write to destination if there is no motion.
if len(contours) == 0 { if len(contours) == 0 {
return -1, nil return 0, nil
} }
// Write to destination. // Write to destination.