Given buffer could be fragmented and we might need to collect buffers until end tag is detected. And/or, a buffer can consist of multiple ttml documents. Fixes: https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/issues/494
Given buffer could be fragmented and we might need to collect buffers until end tag is detected. And/or, a buffer can consist of multiple ttml documents. Fixes: https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/issues/494