Accelerating the completion of video bypass (bug #1893)

13 years ago · 57e26bde9f
parent 3ec43a11ed
commit 57e26bde9f
1 changed files with 3 additions and 0 deletions
--- a/modules/highgui/src/cap.cpp
+++ b/modules/highgui/src/cap.cpp
@ -494,10 +494,13 @@ bool VideoCapture::retrieve(Mat& image, int channel)

 bool VideoCapture::read(Mat& image)
 {
+    if (get(CV_CAP_PROP_POS_FRAMES) < get(CV_CAP_PROP_FRAME_COUNT))
    if(!grab())
        image.release();
    else
        retrieve(image);
+    else
+        image.release();
    return !image.empty();
 }