fixed incorrect dump of the pixel format

5 years ago · 174022547f
parent a13862e924
commit 174022547f
1 changed files with 3 additions and 1 deletions
--- a/modules/videoio/src/cap_avfoundation.mm
+++ b/modules/videoio/src/cap_avfoundation.mm
@ -1052,7 +1052,9 @@ IplImage* CvCaptureFile::retrieveFramePixelBuffer() {
            return 0;
        }
    } else {
-        fprintf(stderr, "OpenCV: unsupported pixel format '%s'\n", pixelFormat);
+        char pfBuf[] = { (char)pixelFormat, (char)(pixelFormat >> 8),
+                         (char)(pixelFormat >> 16), (char)(pixelFormat >> 24), '\0' };
+        fprintf(stderr, "OpenCV: unsupported pixel format '%s'\n", pfBuf);
        CVPixelBufferUnlockBaseAddress(mGrabbedPixels, 0);
        CVBufferRelease(mGrabbedPixels);
        mGrabbedPixels = NULL;