err = ff_cbs_insert_unit_content(ctx->cbc, frag, se_pos + 1,
MPEG2_START_EXTENSION,
- &ctx->sequence_display_extension);
+ &ctx->sequence_display_extension,
+ NULL);
if (err < 0) {
av_log(bsf, AV_LOG_ERROR, "Failed to insert new sequence "
"display extension.\n");