if (!x4->enc)
return -1;
- if (!(x4->pts_buffer = av_mallocz((avctx->max_b_frames+1) * sizeof(*x4->pts_buffer))))
+ if (!(x4->pts_buffer = av_mallocz_array((avctx->max_b_frames+1), sizeof(*x4->pts_buffer))))
return AVERROR(ENOMEM);
avctx->coded_frame = av_frame_alloc();