av_log(s, AV_LOG_ERROR, "'%s' is not an official yuv4mpegpipe pixel format. "
"Use '-strict -1' to encode to this pixel format.\n",
av_get_pix_fmt_name(s->streams[0]->codecpar->format));
av_log(s, AV_LOG_ERROR, "'%s' is not an official yuv4mpegpipe pixel format. "
"Use '-strict -1' to encode to this pixel format.\n",
av_get_pix_fmt_name(s->streams[0]->codecpar->format));