camerabin: Ensure that test record pipeline does not see caps change
Depending on the system load the test 'video_capture_with_tags' may fail or not. Reason is that 'videotestsrc' may emit a buffer before the final caps negotiation on the recording pipeline has happened after dynamic linking. In that case there would be a caps change and because videorate does no longer drop old buffers and caps on change but pushes duplicates if required qtmux will notice a caps change and fail to link. The problem is a synchronization problem in 'camerabin' which became obvious with the changed behaviour of 'videorate'. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8579>
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@ -1470,6 +1470,10 @@ GST_START_TEST (test_video_capture_with_tags)
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g_object_set (camera, "video-profile", profile, NULL);
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gst_encoding_profile_unref (profile);
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caps = gst_caps_from_string ("video/x-raw, format=(string)Y444");
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g_object_set (camera, "video-capture-caps", caps, NULL);
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gst_caps_unref (caps);
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}
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if (gst_element_set_state (GST_ELEMENT (camera), GST_STATE_PLAYING) ==
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