find_header_idx   170 libavformat/nutenc.c                     ft->header_idx= find_header_idx(s, codec, -1, key_frame);
find_header_idx   188 libavformat/nutenc.c                     ft->header_idx= find_header_idx(s, codec, frame_bytes + pred, key_frame);
find_header_idx   233 libavformat/nutenc.c                     ft->header_idx= find_header_idx(s, codec, -1, key_frame);