Merge pull request opencv#21301 from alalek:coverity_fixes_4.x

alalek · alalek · commit 2aa47554fc0c · 2021-12-21T16:39:04.000Z
diff --git a/modules/videoio/src/cap_gstreamer.cpp b/modules/videoio/src/cap_gstreamer.cpp
@@ -527,6 +527,7 @@ bool GStreamerCapture::grabAudioFrame()
         CV_Error(Error::StsError, "GStreamer: gst_audio_info_from_caps() is failed. Can't handle unknown layout");
     }
     int bpf = GST_AUDIO_INFO_BPF(&info);
+    CV_CheckGT(bpf, 0, "");
 
     GstStructure* structure = gst_caps_get_structure(frame_caps, 0);  // no lifetime transfer
     if (!structure)

Original file line number	Diff line number	Diff line change
`@@ -527,6 +527,7 @@ bool GStreamerCapture::grabAudioFrame()`
`527`	`527`	`CV_Error(Error::StsError, "GStreamer: gst_audio_info_from_caps() is failed. Can't handle unknown layout");`
`528`	`528`	`}`
`529`	`529`	`int bpf = GST_AUDIO_INFO_BPF(&info);`
	`530`	`+ CV_CheckGT(bpf, 0, "");`
`530`	`531`
`531`	`532`	`GstStructure* structure = gst_caps_get_structure(frame_caps, 0); // no lifetime transfer`
`532`	`533`	`if (!structure)`