find_header_idx   197 libavformat/nutenc.c                     ft->header_idx = find_header_idx(s, par, -1, key_frame);
find_header_idx   223 libavformat/nutenc.c                     ft->header_idx = find_header_idx(s, par, frame_bytes + pred, key_frame);
find_header_idx   270 libavformat/nutenc.c                     ft->header_idx = find_header_idx(s, par, -1, key_frame);