ccextractor: copy input buffer flags to output buffer
GST_VIDEO_BUFFER_FLAG_INTERLACED and GST_VIDEO_BUFFER_FLAG_TFF flags are needed when processing SCTE 20 closed captions for an interlaced stream, when we need to convert back to analog, in which case we need to match the caption to the top or bottom field
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@ -377,6 +377,7 @@ gst_cc_extractor_handle_meta (GstCCExtractor * filter, GstBuffer * buf,
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if (tc_meta)
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gst_buffer_add_video_time_code_meta (outbuf, &tc_meta->tc);
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gst_buffer_set_flags (outbuf, gst_buffer_get_flags (buf));
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/* We don't really care about the flow return */
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flow = gst_pad_push (filter->captionpad, outbuf);
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